/mono/mini/mini.c
C | 7546 lines | 5653 code | 1106 blank | 787 comment | 1283 complexity | f31ed2aa6d9086644678b23f82b25e3f MD5 | raw file
Possible License(s): Unlicense, Apache-2.0, LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0
- /*
- * mini.c: The new Mono code generator.
- *
- * Authors:
- * Paolo Molaro (lupus@ximian.com)
- * Dietmar Maurer (dietmar@ximian.com)
- *
- * Copyright 2002-2003 Ximian, Inc.
- * Copyright 2003-2010 Novell, Inc.
- * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
- */
- #define MONO_LLVM_IN_MINI 1
- #include <config.h>
- #include <signal.h>
- #ifdef HAVE_ALLOCA_H
- #include <alloca.h>
- #endif
- #ifdef HAVE_UNISTD_H
- #include <unistd.h>
- #endif
- #include <math.h>
- #ifdef HAVE_SYS_TIME_H
- #include <sys/time.h>
- #endif
- #include <mono/utils/memcheck.h>
- #include <mono/metadata/assembly.h>
- #include <mono/metadata/loader.h>
- #include <mono/metadata/tabledefs.h>
- #include <mono/metadata/class.h>
- #include <mono/metadata/object.h>
- #include <mono/metadata/tokentype.h>
- #include <mono/metadata/tabledefs.h>
- #include <mono/metadata/threads.h>
- #include <mono/metadata/appdomain.h>
- #include <mono/metadata/debug-helpers.h>
- #include <mono/io-layer/io-layer.h>
- #include "mono/metadata/profiler.h"
- #include <mono/metadata/profiler-private.h>
- #include <mono/metadata/mono-config.h>
- #include <mono/metadata/environment.h>
- #include <mono/metadata/mono-debug.h>
- #include <mono/metadata/gc-internal.h>
- #include <mono/metadata/threads-types.h>
- #include <mono/metadata/verify.h>
- #include <mono/metadata/verify-internals.h>
- #include <mono/metadata/mempool-internals.h>
- #include <mono/metadata/attach.h>
- #include <mono/metadata/runtime.h>
- #include <mono/utils/mono-math.h>
- #include <mono/utils/mono-compiler.h>
- #include <mono/utils/mono-counters.h>
- #include <mono/utils/mono-logger-internal.h>
- #include <mono/utils/mono-mmap.h>
- #include <mono/utils/mono-tls.h>
- #include <mono/utils/dtrace.h>
- #include "mini.h"
- #include "mini-llvm.h"
- #include "tasklets.h"
- #include <string.h>
- #include <ctype.h>
- #include "trace.h"
- #include "version.h"
- #include "jit-icalls.h"
- #include "debug-mini.h"
- #include "mini-gc.h"
- #include "debugger-agent.h"
- static gpointer mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex);
- static guint32 default_opt = 0;
- static gboolean default_opt_set = FALSE;
- MonoNativeTlsKey mono_jit_tls_id;
- #ifdef MONO_HAVE_FAST_TLS
- MONO_FAST_TLS_DECLARE(mono_jit_tls);
- #endif
- #ifndef MONO_ARCH_MONITOR_ENTER_ADJUSTMENT
- #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
- #endif
- MonoTraceSpec *mono_jit_trace_calls = NULL;
- gboolean mono_compile_aot = FALSE;
- /* If this is set, no code is generated dynamically, everything is taken from AOT files */
- gboolean mono_aot_only = FALSE;
- /* Whenever to use IMT */
- #ifdef MONO_ARCH_HAVE_IMT
- gboolean mono_use_imt = TRUE;
- #else
- gboolean mono_use_imt = FALSE;
- #endif
- MonoMethodDesc *mono_inject_async_exc_method = NULL;
- int mono_inject_async_exc_pos;
- MonoMethodDesc *mono_break_at_bb_method = NULL;
- int mono_break_at_bb_bb_num;
- gboolean mono_do_x86_stack_align = TRUE;
- const char *mono_build_date;
- gboolean mono_do_signal_chaining;
- static gboolean mono_using_xdebug;
- static int mini_verbose = 0;
- /*
- * This flag controls whenever the runtime uses LLVM for JIT compilation, and whenever
- * it can load AOT code compiled by LLVM.
- */
- gboolean mono_use_llvm = FALSE;
- #define mono_jit_lock() EnterCriticalSection (&jit_mutex)
- #define mono_jit_unlock() LeaveCriticalSection (&jit_mutex)
- static CRITICAL_SECTION jit_mutex;
- static MonoCodeManager *global_codeman = NULL;
- static GHashTable *jit_icall_name_hash = NULL;
- static MonoDebugOptions debug_options;
- #ifdef VALGRIND_JIT_REGISTER_MAP
- static int valgrind_register = 0;
- #endif
- /*
- * Table written to by the debugger with a 1-based index into the
- * mono_breakpoint_info table, which contains changes made to
- * the JIT instructions by the debugger.
- */
- gssize
- mono_breakpoint_info_index [MONO_BREAKPOINT_ARRAY_SIZE];
- /* Whenever to check for pending exceptions in managed-to-native wrappers */
- gboolean check_for_pending_exc = TRUE;
- /* Whenever to disable passing/returning small valuetypes in registers for managed methods */
- gboolean disable_vtypes_in_regs = FALSE;
- gboolean mono_dont_free_global_codeman;
- gpointer
- mono_realloc_native_code (MonoCompile *cfg)
- {
- #if defined(__default_codegen__)
- return g_realloc (cfg->native_code, cfg->code_size);
- #elif defined(__native_client_codegen__)
- guint old_padding;
- gpointer native_code;
- guint alignment_check;
- /* Save the old alignment offset so we can re-align after the realloc. */
- old_padding = (guint)(cfg->native_code - cfg->native_code_alloc);
- cfg->native_code_alloc = g_realloc ( cfg->native_code_alloc,
- cfg->code_size + kNaClAlignment );
- /* Align native_code to next nearest kNaClAlignment byte. */
- native_code = (guint)cfg->native_code_alloc + kNaClAlignment;
- native_code = (guint)native_code & ~kNaClAlignmentMask;
- /* Shift the data to be 32-byte aligned again. */
- memmove (native_code, cfg->native_code_alloc + old_padding, cfg->code_size);
- alignment_check = (guint)native_code & kNaClAlignmentMask;
- g_assert (alignment_check == 0);
- return native_code;
- #else
- g_assert_not_reached ();
- return cfg->native_code;
- #endif
- }
- #ifdef __native_client_codegen__
- /* Prevent instructions from straddling a 32-byte alignment boundary. */
- /* Instructions longer than 32 bytes must be aligned internally. */
- /* IN: pcode, instlen */
- /* OUT: pcode */
- void mono_nacl_align_inst(guint8 **pcode, int instlen) {
- int space_in_block;
- space_in_block = kNaClAlignment - ((uintptr_t)(*pcode) & kNaClAlignmentMask);
- if (G_UNLIKELY (instlen >= kNaClAlignment)) {
- g_assert_not_reached();
- } else if (instlen > space_in_block) {
- *pcode = mono_arch_nacl_pad(*pcode, space_in_block);
- }
- }
- /* Move emitted call sequence to the end of a kNaClAlignment-byte block. */
- /* IN: start pointer to start of call sequence */
- /* IN: pcode pointer to end of call sequence (current "IP") */
- /* OUT: start pointer to the start of the call sequence after padding */
- /* OUT: pcode pointer to the end of the call sequence after padding */
- void mono_nacl_align_call(guint8 **start, guint8 **pcode) {
- const size_t MAX_NACL_CALL_LENGTH = kNaClAlignment;
- guint8 copy_of_call[MAX_NACL_CALL_LENGTH];
- guint8 *temp;
- const size_t length = (size_t)((*pcode)-(*start));
- g_assert(length < MAX_NACL_CALL_LENGTH);
- memcpy(copy_of_call, *start, length);
- temp = mono_nacl_pad_call(*start, (guint8)length);
- memcpy(temp, copy_of_call, length);
- (*start) = temp;
- (*pcode) = temp + length;
- }
- /* mono_nacl_pad_call(): Insert padding for Native Client call instructions */
- /* code pointer to buffer for emitting code */
- /* ilength length of call instruction */
- guint8 *mono_nacl_pad_call(guint8 *code, guint8 ilength) {
- int freeSpaceInBlock = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
- int padding = freeSpaceInBlock - ilength;
- if (padding < 0) {
- /* There isn't enough space in this block for the instruction. */
- /* Fill this block and start a new one. */
- code = mono_arch_nacl_pad(code, freeSpaceInBlock);
- freeSpaceInBlock = kNaClAlignment;
- padding = freeSpaceInBlock - ilength;
- }
- g_assert(ilength > 0);
- g_assert(padding >= 0);
- g_assert(padding < kNaClAlignment);
- if (0 == padding) return code;
- return mono_arch_nacl_pad(code, padding);
- }
- guint8 *mono_nacl_align(guint8 *code) {
- int padding = kNaClAlignment - ((uintptr_t)code & kNaClAlignmentMask);
- if (padding != kNaClAlignment) code = mono_arch_nacl_pad(code, padding);
- return code;
- }
- void mono_nacl_fix_patches(const guint8 *code, MonoJumpInfo *ji)
- {
- MonoJumpInfo *patch_info;
- for (patch_info = ji; patch_info; patch_info = patch_info->next) {
- unsigned char *ip = patch_info->ip.i + code;
- ip = mono_arch_nacl_skip_nops(ip);
- patch_info->ip.i = ip - code;
- }
- }
- #endif /* __native_client_codegen__ */
- gboolean
- mono_running_on_valgrind (void)
- {
- if (RUNNING_ON_VALGRIND){
- #ifdef VALGRIND_JIT_REGISTER_MAP
- valgrind_register = TRUE;
- #endif
- return TRUE;
- } else
- return FALSE;
- }
- typedef struct {
- MonoExceptionClause *clause;
- MonoBasicBlock *basic_block;
- int start_offset;
- } TryBlockHole;
- typedef struct {
- void *ip;
- MonoMethod *method;
- } FindTrampUserData;
- static void
- find_tramp (gpointer key, gpointer value, gpointer user_data)
- {
- FindTrampUserData *ud = (FindTrampUserData*)user_data;
- if (value == ud->ip)
- ud->method = (MonoMethod*)key;
- }
- /* debug function */
- G_GNUC_UNUSED static char*
- get_method_from_ip (void *ip)
- {
- MonoJitInfo *ji;
- char *method;
- char *res;
- MonoDomain *domain = mono_domain_get ();
- MonoDebugSourceLocation *location;
- FindTrampUserData user_data;
- if (!domain)
- domain = mono_get_root_domain ();
- ji = mono_jit_info_table_find (domain, ip);
- if (!ji) {
- user_data.ip = ip;
- user_data.method = NULL;
- mono_domain_lock (domain);
- g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
- mono_domain_unlock (domain);
- if (user_data.method) {
- char *mname = mono_method_full_name (user_data.method, TRUE);
- res = g_strdup_printf ("<%p - JIT trampoline for %s>", ip, mname);
- g_free (mname);
- return res;
- }
- else
- return NULL;
- }
- method = mono_method_full_name (ji->method, TRUE);
- /* FIXME: unused ? */
- location = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), domain);
- res = g_strdup_printf (" %s + 0x%x (%p %p) [%p - %s]", method, (int)((char*)ip - (char*)ji->code_start), ji->code_start, (char*)ji->code_start + ji->code_size, domain, domain->friendly_name);
- mono_debug_free_source_location (location);
- g_free (method);
- return res;
- }
- /**
- * mono_pmip:
- * @ip: an instruction pointer address
- *
- * This method is used from a debugger to get the name of the
- * method at address @ip. This routine is typically invoked from
- * a debugger like this:
- *
- * (gdb) print mono_pmip ($pc)
- *
- * Returns: the name of the method at address @ip.
- */
- G_GNUC_UNUSED char *
- mono_pmip (void *ip)
- {
- return get_method_from_ip (ip);
- }
- /**
- * mono_print_method_from_ip
- * @ip: an instruction pointer address
- *
- * This method is used from a debugger to get the name of the
- * method at address @ip.
- *
- * This prints the name of the method at address @ip in the standard
- * output. Unlike mono_pmip which returns a string, this routine
- * prints the value on the standard output.
- */
- #ifdef __GNUC__
- /* Prevent the linker from optimizing this away in embedding setups to help debugging */
- __attribute__((used))
- #endif
- void
- mono_print_method_from_ip (void *ip)
- {
- MonoJitInfo *ji;
- char *method;
- MonoDebugSourceLocation *source;
- MonoDomain *domain = mono_domain_get ();
- MonoDomain *target_domain = mono_domain_get ();
- FindTrampUserData user_data;
- MonoGenericSharingContext*gsctx;
- const char *shared_type;
-
- ji = mini_jit_info_table_find (domain, ip, &target_domain);
- if (!ji) {
- user_data.ip = ip;
- user_data.method = NULL;
- mono_domain_lock (domain);
- g_hash_table_foreach (domain_jit_info (domain)->jit_trampoline_hash, find_tramp, &user_data);
- mono_domain_unlock (domain);
- if (user_data.method) {
- char *mname = mono_method_full_name (user_data.method, TRUE);
- printf ("IP %p is a JIT trampoline for %s\n", ip, mname);
- g_free (mname);
- }
- else
- g_print ("No method at %p\n", ip);
- fflush (stdout);
- return;
- }
- method = mono_method_full_name (ji->method, TRUE);
- source = mono_debug_lookup_source_location (ji->method, (guint32)((guint8*)ip - (guint8*)ji->code_start), target_domain);
- gsctx = mono_jit_info_get_generic_sharing_context (ji);
- shared_type = "";
- if (gsctx) {
- if (gsctx->var_is_vt || gsctx->mvar_is_vt)
- shared_type = "gsharedvt ";
- else
- shared_type = "gshared ";
- }
- g_print ("IP %p at offset 0x%x of %smethod %s (%p %p)[domain %p - %s]\n", ip, (int)((char*)ip - (char*)ji->code_start), shared_type, method, ji->code_start, (char*)ji->code_start + ji->code_size, target_domain, target_domain->friendly_name);
- if (source)
- g_print ("%s:%d\n", source->source_file, source->row);
- fflush (stdout);
- mono_debug_free_source_location (source);
- g_free (method);
- }
-
- /*
- * mono_method_same_domain:
- *
- * Determine whenever two compiled methods are in the same domain, thus
- * the address of the callee can be embedded in the caller.
- */
- gboolean mono_method_same_domain (MonoJitInfo *caller, MonoJitInfo *callee)
- {
- if (!caller || !callee)
- return FALSE;
- /*
- * If the call was made from domain-neutral to domain-specific
- * code, we can't patch the call site.
- */
- if (caller->domain_neutral && !callee->domain_neutral)
- return FALSE;
- if ((caller->method->klass == mono_defaults.appdomain_class) &&
- (strstr (caller->method->name, "InvokeInDomain"))) {
- /* The InvokeInDomain methods change the current appdomain */
- return FALSE;
- }
- return TRUE;
- }
- /*
- * mono_global_codeman_reserve:
- *
- * Allocate code memory from the global code manager.
- */
- void *mono_global_codeman_reserve (int size)
- {
- void *ptr;
- if (mono_aot_only)
- g_error ("Attempting to allocate from the global code manager while running with --aot-only.\n");
- if (!global_codeman) {
- /* This can happen during startup */
- global_codeman = mono_code_manager_new ();
- return mono_code_manager_reserve (global_codeman, size);
- }
- else {
- mono_jit_lock ();
- ptr = mono_code_manager_reserve (global_codeman, size);
- mono_jit_unlock ();
- return ptr;
- }
- }
- #if defined(__native_client_codegen__) && defined(__native_client__)
- /* Given the temporary buffer (allocated by mono_global_codeman_reserve) into
- * which we are generating code, return a pointer to the destination in the
- * dynamic code segment into which the code will be copied when
- * mono_global_codeman_commit is called.
- * LOCKING: Acquires the jit lock.
- */
- void*
- nacl_global_codeman_get_dest (void *data)
- {
- void *dest;
- mono_jit_lock ();
- dest = nacl_code_manager_get_code_dest (global_codeman, data);
- mono_jit_unlock ();
- return dest;
- }
- void
- mono_global_codeman_commit (void *data, int size, int newsize)
- {
- mono_jit_lock ();
- mono_code_manager_commit (global_codeman, data, size, newsize);
- mono_jit_unlock ();
- }
- /*
- * Convenience function which calls mono_global_codeman_commit to validate and
- * copy the code. The caller sets *buf_base and *buf_size to the start and size
- * of the buffer (allocated by mono_global_codeman_reserve), and *code_end to
- * the byte after the last instruction byte. On return, *buf_base will point to
- * the start of the copied in the code segment, and *code_end will point after
- * the end of the copied code.
- */
- void
- nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
- {
- guint8 *tmp = nacl_global_codeman_get_dest (*buf_base);
- mono_global_codeman_commit (*buf_base, buf_size, *code_end - *buf_base);
- *code_end = tmp + (*code_end - *buf_base);
- *buf_base = tmp;
- }
- #else
- /* no-op versions of Native Client functions */
- void*
- nacl_global_codeman_get_dest (void *data)
- {
- return data;
- }
- void
- mono_global_codeman_commit (void *data, int size, int newsize)
- {
- }
- void
- nacl_global_codeman_validate (guint8 **buf_base, int buf_size, guint8 **code_end)
- {
- }
- #endif /* __native_client__ */
- /**
- * mono_create_unwind_op:
- *
- * Create an unwind op with the given parameters.
- */
- MonoUnwindOp*
- mono_create_unwind_op (int when, int tag, int reg, int val)
- {
- MonoUnwindOp *op = g_new0 (MonoUnwindOp, 1);
- op->op = tag;
- op->reg = reg;
- op->val = val;
- op->when = when;
- return op;
- }
- /**
- * mono_emit_unwind_op:
- *
- * Add an unwind op with the given parameters for the list of unwind ops stored in
- * cfg->unwind_ops.
- */
- void
- mono_emit_unwind_op (MonoCompile *cfg, int when, int tag, int reg, int val)
- {
- MonoUnwindOp *op = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoUnwindOp));
- op->op = tag;
- op->reg = reg;
- op->val = val;
- op->when = when;
-
- cfg->unwind_ops = g_slist_append_mempool (cfg->mempool, cfg->unwind_ops, op);
- }
- MonoJumpInfoToken *
- mono_jump_info_token_new2 (MonoMemPool *mp, MonoImage *image, guint32 token, MonoGenericContext *context)
- {
- MonoJumpInfoToken *res = mono_mempool_alloc0 (mp, sizeof (MonoJumpInfoToken));
- res->image = image;
- res->token = token;
- res->has_context = context != NULL;
- if (context)
- memcpy (&res->context, context, sizeof (MonoGenericContext));
- return res;
- }
- MonoJumpInfoToken *
- mono_jump_info_token_new (MonoMemPool *mp, MonoImage *image, guint32 token)
- {
- return mono_jump_info_token_new2 (mp, image, token, NULL);
- }
-
- /*
- * mono_tramp_info_create:
- *
- * Create a MonoTrampInfo structure from the arguments. This function assumes ownership
- * of NAME, JI, and UNWIND_OPS.
- */
- MonoTrampInfo*
- mono_tramp_info_create (const char *name, guint8 *code, guint32 code_size, MonoJumpInfo *ji, GSList *unwind_ops)
- {
- MonoTrampInfo *info = g_new0 (MonoTrampInfo, 1);
- info->name = (char*)name;
- info->code = code;
- info->code_size = code_size;
- info->ji = ji;
- info->unwind_ops = unwind_ops;
- return info;
- }
- void
- mono_tramp_info_free (MonoTrampInfo *info)
- {
- GSList *l;
- g_free (info->name);
- // FIXME: ji
- for (l = info->unwind_ops; l; l = l->next)
- g_free (l->data);
- g_slist_free (info->unwind_ops);
- g_free (info);
- }
- G_GNUC_UNUSED static void
- break_count (void)
- {
- }
- /*
- * Runtime debugging tool, use if (debug_count ()) <x> else <y> to do <x> the first COUNT times, then do <y> afterwards.
- * Set a breakpoint in break_count () to break the last time <x> is done.
- */
- G_GNUC_UNUSED gboolean
- mono_debug_count (void)
- {
- static int count = 0;
- count ++;
- if (!getenv ("COUNT"))
- return TRUE;
- if (count == atoi (getenv ("COUNT"))) {
- break_count ();
- }
- if (count > atoi (getenv ("COUNT"))) {
- return FALSE;
- }
- return TRUE;
- }
- #define MONO_INIT_VARINFO(vi,id) do { \
- (vi)->range.first_use.pos.bid = 0xffff; \
- (vi)->reg = -1; \
- (vi)->idx = (id); \
- } while (0)
- /**
- * mono_unlink_bblock:
- *
- * Unlink two basic blocks.
- */
- void
- mono_unlink_bblock (MonoCompile *cfg, MonoBasicBlock *from, MonoBasicBlock* to)
- {
- int i, pos;
- gboolean found;
- found = FALSE;
- for (i = 0; i < from->out_count; ++i) {
- if (to == from->out_bb [i]) {
- found = TRUE;
- break;
- }
- }
- if (found) {
- pos = 0;
- for (i = 0; i < from->out_count; ++i) {
- if (from->out_bb [i] != to)
- from->out_bb [pos ++] = from->out_bb [i];
- }
- g_assert (pos == from->out_count - 1);
- from->out_count--;
- }
- found = FALSE;
- for (i = 0; i < to->in_count; ++i) {
- if (from == to->in_bb [i]) {
- found = TRUE;
- break;
- }
- }
- if (found) {
- pos = 0;
- for (i = 0; i < to->in_count; ++i) {
- if (to->in_bb [i] != from)
- to->in_bb [pos ++] = to->in_bb [i];
- }
- g_assert (pos == to->in_count - 1);
- to->in_count--;
- }
- }
- /*
- * mono_bblocks_linked:
- *
- * Return whenever BB1 and BB2 are linked in the CFG.
- */
- gboolean
- mono_bblocks_linked (MonoBasicBlock *bb1, MonoBasicBlock *bb2)
- {
- int i;
- for (i = 0; i < bb1->out_count; ++i) {
- if (bb1->out_bb [i] == bb2)
- return TRUE;
- }
- return FALSE;
- }
- static int
- mono_find_block_region_notry (MonoCompile *cfg, int offset)
- {
- MonoMethodHeader *header = cfg->header;
- MonoExceptionClause *clause;
- int i;
- for (i = 0; i < header->num_clauses; ++i) {
- clause = &header->clauses [i];
- if ((clause->flags == MONO_EXCEPTION_CLAUSE_FILTER) && (offset >= clause->data.filter_offset) &&
- (offset < (clause->handler_offset)))
- return ((i + 1) << 8) | MONO_REGION_FILTER | clause->flags;
-
- if (MONO_OFFSET_IN_HANDLER (clause, offset)) {
- if (clause->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
- return ((i + 1) << 8) | MONO_REGION_FINALLY | clause->flags;
- else if (clause->flags == MONO_EXCEPTION_CLAUSE_FAULT)
- return ((i + 1) << 8) | MONO_REGION_FAULT | clause->flags;
- else
- return ((i + 1) << 8) | MONO_REGION_CATCH | clause->flags;
- }
- }
- return -1;
- }
- /*
- * mono_get_block_region_notry:
- *
- * Return the region corresponding to REGION, ignoring try clauses nested inside
- * finally clauses.
- */
- int
- mono_get_block_region_notry (MonoCompile *cfg, int region)
- {
- if ((region & (0xf << 4)) == MONO_REGION_TRY) {
- MonoMethodHeader *header = cfg->header;
-
- /*
- * This can happen if a try clause is nested inside a finally clause.
- */
- int clause_index = (region >> 8) - 1;
- g_assert (clause_index >= 0 && clause_index < header->num_clauses);
-
- region = mono_find_block_region_notry (cfg, header->clauses [clause_index].try_offset);
- }
- return region;
- }
- MonoInst *
- mono_find_spvar_for_region (MonoCompile *cfg, int region)
- {
- region = mono_get_block_region_notry (cfg, region);
- return g_hash_table_lookup (cfg->spvars, GINT_TO_POINTER (region));
- }
- static void
- df_visit (MonoBasicBlock *start, int *dfn, MonoBasicBlock **array)
- {
- int i;
- array [*dfn] = start;
- /* g_print ("visit %d at %p (BB%ld)\n", *dfn, start->cil_code, start->block_num); */
- for (i = 0; i < start->out_count; ++i) {
- if (start->out_bb [i]->dfn)
- continue;
- (*dfn)++;
- start->out_bb [i]->dfn = *dfn;
- start->out_bb [i]->df_parent = start;
- array [*dfn] = start->out_bb [i];
- df_visit (start->out_bb [i], dfn, array);
- }
- }
- guint32
- mono_reverse_branch_op (guint32 opcode)
- {
- static const int reverse_map [] = {
- CEE_BNE_UN, CEE_BLT, CEE_BLE, CEE_BGT, CEE_BGE,
- CEE_BEQ, CEE_BLT_UN, CEE_BLE_UN, CEE_BGT_UN, CEE_BGE_UN
- };
- static const int reverse_fmap [] = {
- OP_FBNE_UN, OP_FBLT, OP_FBLE, OP_FBGT, OP_FBGE,
- OP_FBEQ, OP_FBLT_UN, OP_FBLE_UN, OP_FBGT_UN, OP_FBGE_UN
- };
- static const int reverse_lmap [] = {
- OP_LBNE_UN, OP_LBLT, OP_LBLE, OP_LBGT, OP_LBGE,
- OP_LBEQ, OP_LBLT_UN, OP_LBLE_UN, OP_LBGT_UN, OP_LBGE_UN
- };
- static const int reverse_imap [] = {
- OP_IBNE_UN, OP_IBLT, OP_IBLE, OP_IBGT, OP_IBGE,
- OP_IBEQ, OP_IBLT_UN, OP_IBLE_UN, OP_IBGT_UN, OP_IBGE_UN
- };
-
- if (opcode >= CEE_BEQ && opcode <= CEE_BLT_UN) {
- opcode = reverse_map [opcode - CEE_BEQ];
- } else if (opcode >= OP_FBEQ && opcode <= OP_FBLT_UN) {
- opcode = reverse_fmap [opcode - OP_FBEQ];
- } else if (opcode >= OP_LBEQ && opcode <= OP_LBLT_UN) {
- opcode = reverse_lmap [opcode - OP_LBEQ];
- } else if (opcode >= OP_IBEQ && opcode <= OP_IBLT_UN) {
- opcode = reverse_imap [opcode - OP_IBEQ];
- } else
- g_assert_not_reached ();
- return opcode;
- }
- guint
- mono_type_to_store_membase (MonoCompile *cfg, MonoType *type)
- {
- if (type->byref)
- return OP_STORE_MEMBASE_REG;
- handle_enum:
- switch (type->type) {
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_BOOLEAN:
- return OP_STOREI1_MEMBASE_REG;
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_CHAR:
- return OP_STOREI2_MEMBASE_REG;
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- return OP_STOREI4_MEMBASE_REG;
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_PTR:
- case MONO_TYPE_FNPTR:
- return OP_STORE_MEMBASE_REG;
- case MONO_TYPE_CLASS:
- case MONO_TYPE_STRING:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_ARRAY:
- return OP_STORE_MEMBASE_REG;
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
- return OP_STOREI8_MEMBASE_REG;
- case MONO_TYPE_R4:
- return OP_STORER4_MEMBASE_REG;
- case MONO_TYPE_R8:
- return OP_STORER8_MEMBASE_REG;
- case MONO_TYPE_VALUETYPE:
- if (type->data.klass->enumtype) {
- type = mono_class_enum_basetype (type->data.klass);
- goto handle_enum;
- }
- if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
- return OP_STOREX_MEMBASE;
- return OP_STOREV_MEMBASE;
- case MONO_TYPE_TYPEDBYREF:
- return OP_STOREV_MEMBASE;
- case MONO_TYPE_GENERICINST:
- type = &type->data.generic_class->container_class->byval_arg;
- goto handle_enum;
- case MONO_TYPE_VAR:
- case MONO_TYPE_MVAR:
- if (mini_type_var_is_vt (cfg, type))
- return OP_STOREV_MEMBASE;
- else
- return OP_STORE_MEMBASE_REG;
- default:
- g_error ("unknown type 0x%02x in type_to_store_membase", type->type);
- }
- return -1;
- }
- guint
- mono_type_to_load_membase (MonoCompile *cfg, MonoType *type)
- {
- if (type->byref)
- return OP_LOAD_MEMBASE;
- type = mono_type_get_underlying_type (type);
- switch (type->type) {
- case MONO_TYPE_I1:
- return OP_LOADI1_MEMBASE;
- case MONO_TYPE_U1:
- case MONO_TYPE_BOOLEAN:
- return OP_LOADU1_MEMBASE;
- case MONO_TYPE_I2:
- return OP_LOADI2_MEMBASE;
- case MONO_TYPE_U2:
- case MONO_TYPE_CHAR:
- return OP_LOADU2_MEMBASE;
- case MONO_TYPE_I4:
- return OP_LOADI4_MEMBASE;
- case MONO_TYPE_U4:
- return OP_LOADU4_MEMBASE;
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_PTR:
- case MONO_TYPE_FNPTR:
- return OP_LOAD_MEMBASE;
- case MONO_TYPE_CLASS:
- case MONO_TYPE_STRING:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_ARRAY:
- return OP_LOAD_MEMBASE;
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
- return OP_LOADI8_MEMBASE;
- case MONO_TYPE_R4:
- return OP_LOADR4_MEMBASE;
- case MONO_TYPE_R8:
- return OP_LOADR8_MEMBASE;
- case MONO_TYPE_VALUETYPE:
- if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (type)))
- return OP_LOADX_MEMBASE;
- case MONO_TYPE_TYPEDBYREF:
- return OP_LOADV_MEMBASE;
- case MONO_TYPE_GENERICINST:
- if (mono_type_generic_inst_is_valuetype (type))
- return OP_LOADV_MEMBASE;
- else
- return OP_LOAD_MEMBASE;
- break;
- case MONO_TYPE_VAR:
- case MONO_TYPE_MVAR:
- g_assert (cfg->generic_sharing_context);
- if (mini_type_var_is_vt (cfg, type))
- return OP_LOADV_MEMBASE;
- else
- return OP_LOAD_MEMBASE;
- default:
- g_error ("unknown type 0x%02x in type_to_load_membase", type->type);
- }
- return -1;
- }
- static guint
- mini_type_to_ldind (MonoCompile* cfg, MonoType *type)
- {
- if (cfg->generic_sharing_context && !type->byref) {
- if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
- if (mini_type_var_is_vt (cfg, type))
- return CEE_LDOBJ;
- else
- return CEE_LDIND_REF;
- }
- }
- return mono_type_to_ldind (type);
- }
- #ifndef DISABLE_JIT
- guint
- mini_type_to_stind (MonoCompile* cfg, MonoType *type)
- {
- if (cfg->generic_sharing_context && !type->byref) {
- if (type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) {
- if (mini_type_var_is_vt (cfg, type))
- return CEE_STOBJ;
- else
- return CEE_STIND_REF;
- }
- }
- return mono_type_to_stind (type);
- }
- int
- mono_op_imm_to_op (int opcode)
- {
- switch (opcode) {
- case OP_ADD_IMM:
- #if SIZEOF_REGISTER == 4
- return OP_IADD;
- #else
- return OP_LADD;
- #endif
- case OP_IADD_IMM:
- return OP_IADD;
- case OP_LADD_IMM:
- return OP_LADD;
- case OP_ISUB_IMM:
- return OP_ISUB;
- case OP_LSUB_IMM:
- return OP_LSUB;
- case OP_IMUL_IMM:
- return OP_IMUL;
- case OP_AND_IMM:
- #if SIZEOF_REGISTER == 4
- return OP_IAND;
- #else
- return OP_LAND;
- #endif
- case OP_OR_IMM:
- #if SIZEOF_REGISTER == 4
- return OP_IOR;
- #else
- return OP_LOR;
- #endif
- case OP_XOR_IMM:
- #if SIZEOF_REGISTER == 4
- return OP_IXOR;
- #else
- return OP_LXOR;
- #endif
- case OP_IAND_IMM:
- return OP_IAND;
- case OP_LAND_IMM:
- return OP_LAND;
- case OP_IOR_IMM:
- return OP_IOR;
- case OP_LOR_IMM:
- return OP_LOR;
- case OP_IXOR_IMM:
- return OP_IXOR;
- case OP_LXOR_IMM:
- return OP_LXOR;
- case OP_ISHL_IMM:
- return OP_ISHL;
- case OP_LSHL_IMM:
- return OP_LSHL;
- case OP_ISHR_IMM:
- return OP_ISHR;
- case OP_LSHR_IMM:
- return OP_LSHR;
- case OP_ISHR_UN_IMM:
- return OP_ISHR_UN;
- case OP_LSHR_UN_IMM:
- return OP_LSHR_UN;
- case OP_IDIV_IMM:
- return OP_IDIV;
- case OP_IDIV_UN_IMM:
- return OP_IDIV_UN;
- case OP_IREM_UN_IMM:
- return OP_IREM_UN;
- case OP_IREM_IMM:
- return OP_IREM;
- case OP_DIV_IMM:
- #if SIZEOF_REGISTER == 4
- return OP_IDIV;
- #else
- return OP_LDIV;
- #endif
- case OP_REM_IMM:
- #if SIZEOF_REGISTER == 4
- return OP_IREM;
- #else
- return OP_LREM;
- #endif
- case OP_ADDCC_IMM:
- return OP_ADDCC;
- case OP_ADC_IMM:
- return OP_ADC;
- case OP_SUBCC_IMM:
- return OP_SUBCC;
- case OP_SBB_IMM:
- return OP_SBB;
- case OP_IADC_IMM:
- return OP_IADC;
- case OP_ISBB_IMM:
- return OP_ISBB;
- case OP_COMPARE_IMM:
- return OP_COMPARE;
- case OP_ICOMPARE_IMM:
- return OP_ICOMPARE;
- case OP_LOCALLOC_IMM:
- return OP_LOCALLOC;
- default:
- printf ("%s\n", mono_inst_name (opcode));
- g_assert_not_reached ();
- return -1;
- }
- }
- /*
- * mono_decompose_op_imm:
- *
- * Replace the OP_.._IMM INS with its non IMM variant.
- */
- void
- mono_decompose_op_imm (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins)
- {
- MonoInst *temp;
- MONO_INST_NEW (cfg, temp, OP_ICONST);
- temp->inst_c0 = ins->inst_imm;
- temp->dreg = mono_alloc_ireg (cfg);
- mono_bblock_insert_before_ins (bb, ins, temp);
- ins->opcode = mono_op_imm_to_op (ins->opcode);
- if (ins->opcode == OP_LOCALLOC)
- ins->sreg1 = temp->dreg;
- else
- ins->sreg2 = temp->dreg;
- bb->max_vreg = MAX (bb->max_vreg, cfg->next_vreg);
- }
- #endif
- static void
- set_vreg_to_inst (MonoCompile *cfg, int vreg, MonoInst *inst)
- {
- if (vreg >= cfg->vreg_to_inst_len) {
- MonoInst **tmp = cfg->vreg_to_inst;
- int size = cfg->vreg_to_inst_len;
- while (vreg >= cfg->vreg_to_inst_len)
- cfg->vreg_to_inst_len = cfg->vreg_to_inst_len ? cfg->vreg_to_inst_len * 2 : 32;
- cfg->vreg_to_inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst*) * cfg->vreg_to_inst_len);
- if (size)
- memcpy (cfg->vreg_to_inst, tmp, size * sizeof (MonoInst*));
- }
- cfg->vreg_to_inst [vreg] = inst;
- }
- #define mono_type_is_long(type) (!(type)->byref && ((mono_type_get_underlying_type (type)->type == MONO_TYPE_I8) || (mono_type_get_underlying_type (type)->type == MONO_TYPE_U8)))
- #define mono_type_is_float(type) (!(type)->byref && (((type)->type == MONO_TYPE_R8) || ((type)->type == MONO_TYPE_R4)))
- #ifdef DISABLE_JIT
- MonoInst*
- mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
- {
- return NULL;
- }
- #else
- MonoInst*
- mono_compile_create_var_for_vreg (MonoCompile *cfg, MonoType *type, int opcode, int vreg)
- {
- MonoInst *inst;
- int num = cfg->num_varinfo;
- gboolean regpair;
- if ((num + 1) >= cfg->varinfo_count) {
- int orig_count = cfg->varinfo_count;
- cfg->varinfo_count = cfg->varinfo_count ? (cfg->varinfo_count * 2) : 64;
- cfg->varinfo = (MonoInst **)g_realloc (cfg->varinfo, sizeof (MonoInst*) * cfg->varinfo_count);
- cfg->vars = (MonoMethodVar *)g_realloc (cfg->vars, sizeof (MonoMethodVar) * cfg->varinfo_count);
- memset (&cfg->vars [orig_count], 0, (cfg->varinfo_count - orig_count) * sizeof (MonoMethodVar));
- }
- cfg->stat_allocate_var++;
- MONO_INST_NEW (cfg, inst, opcode);
- inst->inst_c0 = num;
- inst->inst_vtype = type;
- inst->klass = mono_class_from_mono_type (type);
- type_to_eval_stack_type (cfg, type, inst);
- /* if set to 1 the variable is native */
- inst->backend.is_pinvoke = 0;
- inst->dreg = vreg;
- if (inst->klass->exception_type)
- mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
- if (cfg->compute_gc_maps) {
- if (type->byref) {
- mono_mark_vreg_as_mp (cfg, vreg);
- } else {
- MonoType *t = mini_type_get_underlying_type (NULL, type);
- if ((MONO_TYPE_ISSTRUCT (t) && inst->klass->has_references) || mini_type_is_reference (cfg, t)) {
- inst->flags |= MONO_INST_GC_TRACK;
- mono_mark_vreg_as_ref (cfg, vreg);
- }
- }
- }
-
- cfg->varinfo [num] = inst;
- MONO_INIT_VARINFO (&cfg->vars [num], num);
- MONO_VARINFO (cfg, num)->vreg = vreg;
- if (vreg != -1)
- set_vreg_to_inst (cfg, vreg, inst);
- #if SIZEOF_REGISTER == 4
- #ifdef MONO_ARCH_SOFT_FLOAT
- regpair = mono_type_is_long (type) || mono_type_is_float (type);
- #else
- regpair = mono_type_is_long (type);
- #endif
- #else
- regpair = FALSE;
- #endif
- if (regpair) {
- MonoInst *tree;
- /*
- * These two cannot be allocated using create_var_for_vreg since that would
- * put it into the cfg->varinfo array, confusing many parts of the JIT.
- */
- /*
- * Set flags to VOLATILE so SSA skips it.
- */
- if (cfg->verbose_level >= 4) {
- printf (" Create LVAR R%d (R%d, R%d)\n", inst->dreg, inst->dreg + 1, inst->dreg + 2);
- }
- #ifdef MONO_ARCH_SOFT_FLOAT
- if (cfg->opt & MONO_OPT_SSA) {
- if (mono_type_is_float (type))
- inst->flags = MONO_INST_VOLATILE;
- }
- #endif
- /* Allocate a dummy MonoInst for the first vreg */
- MONO_INST_NEW (cfg, tree, OP_LOCAL);
- tree->dreg = inst->dreg + 1;
- if (cfg->opt & MONO_OPT_SSA)
- tree->flags = MONO_INST_VOLATILE;
- tree->inst_c0 = num;
- tree->type = STACK_I4;
- tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
- tree->klass = mono_class_from_mono_type (tree->inst_vtype);
- set_vreg_to_inst (cfg, inst->dreg + 1, tree);
- /* Allocate a dummy MonoInst for the second vreg */
- MONO_INST_NEW (cfg, tree, OP_LOCAL);
- tree->dreg = inst->dreg + 2;
- if (cfg->opt & MONO_OPT_SSA)
- tree->flags = MONO_INST_VOLATILE;
- tree->inst_c0 = num;
- tree->type = STACK_I4;
- tree->inst_vtype = &mono_defaults.int32_class->byval_arg;
- tree->klass = mono_class_from_mono_type (tree->inst_vtype);
- set_vreg_to_inst (cfg, inst->dreg + 2, tree);
- }
- cfg->num_varinfo++;
- if (cfg->verbose_level > 2)
- g_print ("created temp %d (R%d) of type %s\n", num, vreg, mono_type_get_name (type));
- return inst;
- }
- MonoInst*
- mono_compile_create_var (MonoCompile *cfg, MonoType *type, int opcode)
- {
- int dreg;
- if (mono_type_is_long (type))
- dreg = mono_alloc_dreg (cfg, STACK_I8);
- #ifdef MONO_ARCH_SOFT_FLOAT
- else if (mono_type_is_float (type))
- dreg = mono_alloc_dreg (cfg, STACK_R8);
- #endif
- else
- /* All the others are unified */
- dreg = mono_alloc_preg (cfg);
- return mono_compile_create_var_for_vreg (cfg, type, opcode, dreg);
- }
- /*
- * Transform a MonoInst into a load from the variable of index var_index.
- */
- void
- mono_compile_make_var_load (MonoCompile *cfg, MonoInst *dest, gssize var_index) {
- memset (dest, 0, sizeof (MonoInst));
- dest->inst_i0 = cfg->varinfo [var_index];
- dest->opcode = mini_type_to_ldind (cfg, dest->inst_i0->inst_vtype);
- type_to_eval_stack_type (cfg, dest->inst_i0->inst_vtype, dest);
- dest->klass = dest->inst_i0->klass;
- }
- #endif
- void
- mono_mark_vreg_as_ref (MonoCompile *cfg, int vreg)
- {
- if (vreg >= cfg->vreg_is_ref_len) {
- gboolean *tmp = cfg->vreg_is_ref;
- int size = cfg->vreg_is_ref_len;
- while (vreg >= cfg->vreg_is_ref_len)
- cfg->vreg_is_ref_len = cfg->vreg_is_ref_len ? cfg->vreg_is_ref_len * 2 : 32;
- cfg->vreg_is_ref = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_ref_len);
- if (size)
- memcpy (cfg->vreg_is_ref, tmp, size * sizeof (gboolean));
- }
- cfg->vreg_is_ref [vreg] = TRUE;
- }
- void
- mono_mark_vreg_as_mp (MonoCompile *cfg, int vreg)
- {
- if (vreg >= cfg->vreg_is_mp_len) {
- gboolean *tmp = cfg->vreg_is_mp;
- int size = cfg->vreg_is_mp_len;
- while (vreg >= cfg->vreg_is_mp_len)
- cfg->vreg_is_mp_len = cfg->vreg_is_mp_len ? cfg->vreg_is_mp_len * 2 : 32;
- cfg->vreg_is_mp = mono_mempool_alloc0 (cfg->mempool, sizeof (gboolean) * cfg->vreg_is_mp_len);
- if (size)
- memcpy (cfg->vreg_is_mp, tmp, size * sizeof (gboolean));
- }
- cfg->vreg_is_mp [vreg] = TRUE;
- }
- static MonoType*
- type_from_stack_type (MonoInst *ins) {
- switch (ins->type) {
- case STACK_I4: return &mono_defaults.int32_class->byval_arg;
- case STACK_I8: return &mono_defaults.int64_class->byval_arg;
- case STACK_PTR: return &mono_defaults.int_class->byval_arg;
- case STACK_R8: return &mono_defaults.double_class->byval_arg;
- case STACK_MP:
- /*
- * this if used to be commented without any specific reason, but
- * it breaks #80235 when commented
- */
- if (ins->klass)
- return &ins->klass->this_arg;
- else
- return &mono_defaults.object_class->this_arg;
- case STACK_OBJ:
- /* ins->klass may not be set for ldnull.
- * Also, if we have a boxed valuetype, we want an object lass,
- * not the valuetype class
- */
- if (ins->klass && !ins->klass->valuetype)
- return &ins->klass->byval_arg;
- return &mono_defaults.object_class->byval_arg;
- case STACK_VTYPE: return &ins->klass->byval_arg;
- default:
- g_error ("stack type %d to montype not handled\n", ins->type);
- }
- return NULL;
- }
- MonoType*
- mono_type_from_stack_type (MonoInst *ins) {
- return type_from_stack_type (ins);
- }
- /*
- * mono_add_ins_to_end:
- *
- * Same as MONO_ADD_INS, but add INST before any branches at the end of BB.
- */
- void
- mono_add_ins_to_end (MonoBasicBlock *bb, MonoInst *inst)
- {
- int opcode;
- if (!bb->code) {
- MONO_ADD_INS (bb, inst);
- return;
- }
- switch (bb->last_ins->opcode) {
- case OP_BR:
- case OP_BR_REG:
- case CEE_BEQ:
- case CEE_BGE:
- case CEE_BGT:
- case CEE_BLE:
- case CEE_BLT:
- case CEE_BNE_UN:
- case CEE_BGE_UN:
- case CEE_BGT_UN:
- case CEE_BLE_UN:
- case CEE_BLT_UN:
- case OP_SWITCH:
- mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
- break;
- default:
- if (MONO_IS_COND_BRANCH_OP (bb->last_ins)) {
- /* Need to insert the ins before the compare */
- if (bb->code == bb->last_ins) {
- mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
- return;
- }
- if (bb->code->next == bb->last_ins) {
- /* Only two instructions */
- opcode = bb->code->opcode;
- if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
- /* NEW IR */
- mono_bblock_insert_before_ins (bb, bb->code, inst);
- } else {
- mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
- }
- } else {
- opcode = bb->last_ins->prev->opcode;
- if ((opcode == OP_COMPARE) || (opcode == OP_COMPARE_IMM) || (opcode == OP_ICOMPARE) || (opcode == OP_ICOMPARE_IMM) || (opcode == OP_FCOMPARE) || (opcode == OP_LCOMPARE) || (opcode == OP_LCOMPARE_IMM)) {
- /* NEW IR */
- mono_bblock_insert_before_ins (bb, bb->last_ins->prev, inst);
- } else {
- mono_bblock_insert_before_ins (bb, bb->last_ins, inst);
- }
- }
- }
- else
- MONO_ADD_INS (bb, inst);
- break;
- }
- }
- void
- mono_create_jump_table (MonoCompile *cfg, MonoInst *label, MonoBasicBlock **bbs, int num_blocks)
- {
- MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
- MonoJumpInfoBBTable *table;
- table = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfoBBTable));
- table->table = bbs;
- table->table_size = num_blocks;
-
- ji->ip.label = label;
- ji->type = MONO_PATCH_INFO_SWITCH;
- ji->data.table = table;
- ji->next = cfg->patch_info;
- cfg->patch_info = ji;
- }
- static MonoMethodSignature *
- mono_get_array_new_va_signature (int arity)
- {
- static GHashTable *sighash = NULL;
- MonoMethodSignature *res;
- int i;
- mono_jit_lock ();
- if (!sighash) {
- sighash = g_hash_table_new (NULL, NULL);
- }
- else if ((res = g_hash_table_lookup (sighash, GINT_TO_POINTER (arity)))) {
- mono_jit_unlock ();
- return res;
- }
- res = mono_metadata_signature_alloc (mono_defaults.corlib, arity + 1);
- res->pinvoke = 1;
- #ifdef MONO_ARCH_VARARG_ICALLS
- /* Only set this only some archs since not all backends can handle varargs+pinvoke */
- res->call_convention = MONO_CALL_VARARG;
- #endif
- #ifdef TARGET_WIN32
- res->call_convention = MONO_CALL_C;
- #endif
- res->params [0] = &mono_defaults.int_class->byval_arg;
- for (i = 0; i < arity; i++)
- res->params [i + 1] = &mono_defaults.int_class->byval_arg;
- res->ret = &mono_defaults.object_class->byval_arg;
- g_hash_table_insert (sighash, GINT_TO_POINTER (arity), res);
- mono_jit_unlock ();
- return res;
- }
- MonoJitICallInfo *
- mono_get_array_new_va_icall (int rank)
- {
- MonoMethodSignature *esig;
- char icall_name [256];
- char *name;
- MonoJitICallInfo *info;
- /* Need to register the icall so it gets an icall wrapper */
- sprintf (icall_name, "ves_array_new_va_%d", rank);
- mono_jit_lock ();
- info = mono_find_jit_icall_by_name (icall_name);
- if (info == NULL) {
- esig = mono_get_array_new_va_signature (rank);
- name = g_strdup (icall_name);
- info = mono_register_jit_icall (mono_array_new_va, name, esig, FALSE);
- g_hash_table_insert (jit_icall_name_hash, name, name);
- }
- mono_jit_unlock ();
- return info;
- }
- gboolean
- mini_class_is_system_array (MonoClass *klass)
- {
- if (klass->parent == mono_defaults.array_class)
- return TRUE;
- else
- return FALSE;
- }
- gboolean
- mini_assembly_can_skip_verification (MonoDomain *domain, MonoMethod *method)
- {
- MonoAssembly *assembly = method->klass->image->assembly;
- if (method->wrapper_type != MONO_WRAPPER_NONE && method->wrapper_type != MONO_WRAPPER_DYNAMIC_METHOD)
- return FALSE;
- if (assembly->in_gac || assembly->image == mono_defaults.corlib)
- return FALSE;
- if (mono_security_get_mode () != MONO_SECURITY_MODE_NONE)
- return FALSE;
- return mono_assembly_has_skip_verification (assembly);
- }
- /*
- * mini_method_verify:
- *
- * Verify the method using the new verfier.
- *
- * Returns true if the method is invalid.
- */
- static gboolean
- mini_method_verify (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
- {
- GSList *tmp, *res;
- gboolean is_fulltrust;
- MonoLoaderError *error;
- if (method->verification_success)
- return FALSE;
- if (!mono_verifier_is_enabled_for_method (method))
- return FALSE;
- /*skip verification implies the assembly must be */
- is_fulltrust = mono_verifier_is_method_full_trust (method) || mini_assembly_can_skip_verification (cfg->domain, method);
- res = mono_method_verify_with_current_settings (method, cfg->skip_visibility, is_fulltrust);
- if ((error = mono_loader_get_last_error ())) {
- if (fail_compile)
- cfg->exception_type = error->exception_type;
- else
- mono_loader_clear_error ();
- if (res)
- mono_free_verify_list (res);
- return TRUE;
- }
- if (res) {
- for (tmp = res; tmp; tmp = tmp->next) {
- MonoVerifyInfoExtended *info = (MonoVerifyInfoExtended *)tmp->data;
- if (info->info.status == MONO_VERIFY_ERROR) {
- if (fail_compile) {
- char *method_name = mono_method_full_name (method, TRUE);
- cfg->exception_type = info->exception_type;
- cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
- g_free (method_name);
- }
- mono_free_verify_list (res);
- return TRUE;
- }
- if (info->info.status == MONO_VERIFY_NOT_VERIFIABLE && (!is_fulltrust || info->exception_type == MONO_EXCEPTION_METHOD_ACCESS || info->exception_type == MONO_EXCEPTION_FIELD_ACCESS)) {
- if (fail_compile) {
- char *method_name = mono_method_full_name (method, TRUE);
- cfg->exception_type = info->exception_type;
- cfg->exception_message = g_strdup_printf ("Error verifying %s: %s", method_name, info->info.message);
- g_free (method_name);
- }
- mono_free_verify_list (res);
- return TRUE;
- }
- }
- mono_free_verify_list (res);
- }
- method->verification_success = 1;
- return FALSE;
- }
- /*Returns true if something went wrong*/
- gboolean
- mono_compile_is_broken (MonoCompile *cfg, MonoMethod *method, gboolean fail_compile)
- {
- MonoMethod *method_definition = method;
- gboolean dont_verify = method->klass->image->assembly->corlib_internal;
- while (method_definition->is_inflated) {
- MonoMethodInflated *imethod = (MonoMethodInflated *) method_definition;
- method_definition = imethod->declaring;
- }
- return !dont_verify && mini_method_verify (cfg, method_definition, fail_compile);
- }
- static gconstpointer
- mono_icall_get_wrapper_full (MonoJitICallInfo* callinfo, gboolean do_compile)
- {
- char *name;
- MonoMethod *wrapper;
- gconstpointer trampoline;
- MonoDomain *domain = mono_get_root_domain ();
-
- if (callinfo->wrapper) {
- return callinfo->wrapper;
- }
- if (callinfo->trampoline)
- return callinfo->trampoline;
- /*
- * We use the lock on the root domain instead of the JIT lock to protect
- * callinfo->trampoline, since we do a lot of stuff inside the critical section.
- */
- mono_loader_lock (); /*FIXME mono_compile_method requires the loader lock, by large.*/
- mono_domain_lock (domain);
- if (callinfo->trampoline) {
- mono_domain_unlock (domain);
- mono_loader_unlock ();
- return callinfo->trampoline;
- }
- name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
- wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, check_for_pending_exc);
- g_free (name);
- if (do_compile)
- trampoline = mono_compile_method (wrapper);
- else
- trampoline = mono_create_ftnptr (domain, mono_create_jit_trampoline_in_domain (domain, wrapper));
- mono_register_jit_icall_wrapper (callinfo, trampoline);
- callinfo->trampoline = trampoline;
- mono_domain_unlock (domain);
- mono_loader_unlock ();
-
- return callinfo->trampoline;
- }
- gconstpointer
- mono_icall_get_wrapper (MonoJitICallInfo* callinfo)
- {
- return mono_icall_get_wrapper_full (callinfo, FALSE);
- }
- static void
- mono_dynamic_code_hash_insert (MonoDomain *domain, MonoMethod *method, MonoJitDynamicMethodInfo *ji)
- {
- if (!domain_jit_info (domain)->dynamic_code_hash)
- domain_jit_info (domain)->dynamic_code_hash = g_hash_table_new (NULL, NULL);
- g_hash_table_insert (domain_jit_info (domain)->dynamic_code_hash, method, ji);
- }
- static MonoJitDynamicMethodInfo*
- mono_dynamic_code_hash_lookup (MonoDomain *domain, MonoMethod *method)
- {
- MonoJitDynamicMethodInfo *res;
- if (domain_jit_info (domain)->dynamic_code_hash)
- res = g_hash_table_lookup (domain_jit_info (domain)->dynamic_code_hash, method);
- else
- res = NULL;
- return res;
- }
- typedef struct {
- MonoClass *vtype;
- GList *active, *inactive;
- GSList *slots;
- } StackSlotInfo;
- static gint
- compare_by_interval_start_pos_func (gconstpointer a, gconstpointer b)
- {
- MonoMethodVar *v1 = (MonoMethodVar*)a;
- MonoMethodVar *v2 = (MonoMethodVar*)b;
- if (v1 == v2)
- return 0;
- else if (v1->interval->range && v2->interval->range)
- return v1->interval->range->from - v2->interval->range->from;
- else if (v1->interval->range)
- return -1;
- else
- return 1;
- }
- #ifndef DISABLE_JIT
- #if 0
- #define LSCAN_DEBUG(a) do { a; } while (0)
- #else
- #define LSCAN_DEBUG(a)
- #endif
- static gint32*
- mono_allocate_stack_slots2 (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
- {
- int i, slot, offset, size;
- guint32 align;
- MonoMethodVar *vmv;
- MonoInst *inst;
- gint32 *offsets;
- GList *vars = NULL, *l, *unhandled;
- StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
- MonoType *t;
- int nvtypes;
- gboolean reuse_slot;
- LSCAN_DEBUG (printf ("Allocate Stack Slots 2 for %s:\n", mono_method_full_name (cfg->method, TRUE)));
- scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
- vtype_stack_slots = NULL;
- nvtypes = 0;
- offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
- for (i = 0; i < cfg->num_varinfo; ++i)
- offsets [i] = -1;
- for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
- inst = cfg->varinfo [i];
- vmv = MONO_VARINFO (cfg, i);
- if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
- continue;
- vars = g_list_prepend (vars, vmv);
- }
- vars = g_list_sort (g_list_copy (vars), compare_by_interval_start_pos_func);
- /* Sanity check */
- /*
- i = 0;
- for (unhandled = vars; unhandled; unhandled = unhandled->next) {
- MonoMethodVar *current = unhandled->data;
- if (current->interval->range) {
- g_assert (current->interval->range->from >= i);
- i = current->interval->range->from;
- }
- }
- */
- offset = 0;
- *stack_align = 0;
- for (unhandled = vars; unhandled; unhandled = unhandled->next) {
- MonoMethodVar *current = unhandled->data;
- vmv = current;
- inst = cfg->varinfo [vmv->idx];
- t = mono_type_get_underlying_type (inst->inst_vtype);
- if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
- t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
- /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
- * pinvoke wrappers when they call functions returning structures */
- if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
- size = mono_class_native_size (mono_class_from_mono_type (t), &align);
- }
- else {
- int ialign;
- size = mono_type_size (t, &ialign);
- align = ialign;
- if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
- align = 16;
- }
- reuse_slot = TRUE;
- if (cfg->disable_reuse_stack_slots)
- reuse_slot = FALSE;
- switch (t->type) {
- case MONO_TYPE_GENERICINST:
- if (!mono_type_generic_inst_is_valuetype (t)) {
- slot_info = &scalar_stack_slots [t->type];
- break;
- }
- /* Fall through */
- case MONO_TYPE_VALUETYPE:
- if (!vtype_stack_slots)
- vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
- for (i = 0; i < nvtypes; ++i)
- if (t->data.klass == vtype_stack_slots [i].vtype)
- break;
- if (i < nvtypes)
- slot_info = &vtype_stack_slots [i];
- else {
- g_assert (nvtypes < 256);
- vtype_stack_slots [nvtypes].vtype = t->data.klass;
- slot_info = &vtype_stack_slots [nvtypes];
- nvtypes ++;
- }
- if (cfg->disable_reuse_ref_stack_slots)
- reuse_slot = FALSE;
- break;
- case MONO_TYPE_PTR:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- #if SIZEOF_VOID_P == 4
- case MONO_TYPE_I4:
- #else
- case MONO_TYPE_I8:
- #endif
- if (cfg->disable_ref_noref_stack_slot_share) {
- slot_info = &scalar_stack_slots [MONO_TYPE_I];
- break;
- }
- /* Fall through */
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_STRING:
- /* Share non-float stack slots of the same size */
- slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
- if (cfg->disable_reuse_ref_stack_slots)
- reuse_slot = FALSE;
- break;
- default:
- slot_info = &scalar_stack_slots [t->type];
- }
- slot = 0xffffff;
- if (cfg->comp_done & MONO_COMP_LIVENESS) {
- int pos;
- gboolean changed;
- //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
- if (!current->interval->range) {
- if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
- pos = ~0;
- else {
- /* Dead */
- inst->flags |= MONO_INST_IS_DEAD;
- continue;
- }
- }
- else
- pos = current->interval->range->from;
- LSCAN_DEBUG (printf ("process R%d ", inst->dreg));
- if (current->interval->range)
- LSCAN_DEBUG (mono_linterval_print (current->interval));
- LSCAN_DEBUG (printf ("\n"));
- /* Check for intervals in active which expired or inactive */
- changed = TRUE;
- /* FIXME: Optimize this */
- while (changed) {
- changed = FALSE;
- for (l = slot_info->active; l != NULL; l = l->next) {
- MonoMethodVar *v = (MonoMethodVar*)l->data;
- if (v->interval->last_range->to < pos) {
- slot_info->active = g_list_delete_link (slot_info->active, l);
- slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
- LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
- changed = TRUE;
- break;
- }
- else if (!mono_linterval_covers (v->interval, pos)) {
- slot_info->inactive = g_list_append (slot_info->inactive, v);
- slot_info->active = g_list_delete_link (slot_info->active, l);
- LSCAN_DEBUG (printf ("Interval R%d became inactive\n", cfg->varinfo [v->idx]->dreg));
- changed = TRUE;
- break;
- }
- }
- }
- /* Check for intervals in inactive which expired or active */
- changed = TRUE;
- /* FIXME: Optimize this */
- while (changed) {
- changed = FALSE;
- for (l = slot_info->inactive; l != NULL; l = l->next) {
- MonoMethodVar *v = (MonoMethodVar*)l->data;
- if (v->interval->last_range->to < pos) {
- slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
- // FIXME: Enabling this seems to cause impossible to debug crashes
- //slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [v->idx]));
- LSCAN_DEBUG (printf ("Interval R%d has expired, adding 0x%x to slots\n", cfg->varinfo [v->idx]->dreg, offsets [v->idx]));
- changed = TRUE;
- break;
- }
- else if (mono_linterval_covers (v->interval, pos)) {
- slot_info->active = g_list_append (slot_info->active, v);
- slot_info->inactive = g_list_delete_link (slot_info->inactive, l);
- LSCAN_DEBUG (printf ("\tInterval R%d became active\n", cfg->varinfo [v->idx]->dreg));
- changed = TRUE;
- break;
- }
- }
- }
- /*
- * This also handles the case when the variable is used in an
- * exception region, as liveness info is not computed there.
- */
- /*
- * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
- * opcodes.
- */
- if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
- if (slot_info->slots) {
- slot = GPOINTER_TO_INT (slot_info->slots->data);
- slot_info->slots = slot_info->slots->next;
- }
- /* FIXME: We might want to consider the inactive intervals as well if slot_info->slots is empty */
- slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
- }
- }
- #if 0
- {
- static int count = 0;
- count ++;
- if (count == atoi (getenv ("COUNT3")))
- printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
- if (count > atoi (getenv ("COUNT3")))
- slot = 0xffffff;
- else {
- mono_print_ins (inst);
- }
- }
- #endif
- LSCAN_DEBUG (printf ("R%d %s -> 0x%x\n", inst->dreg, mono_type_full_name (t), slot));
- if (inst->flags & MONO_INST_LMF) {
- size = sizeof (MonoLMF);
- align = sizeof (mgreg_t);
- reuse_slot = FALSE;
- }
- if (!reuse_slot)
- slot = 0xffffff;
- if (slot == 0xffffff) {
- /*
- * Allways allocate valuetypes to sizeof (gpointer) to allow more
- * efficient copying (and to work around the fact that OP_MEMCPY
- * and OP_MEMSET ignores alignment).
- */
- if (MONO_TYPE_ISSTRUCT (t)) {
- align = MAX (align, sizeof (gpointer));
- align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
- }
- if (backward) {
- offset += size;
- offset += align - 1;
- offset &= ~(align - 1);
- slot = offset;
- }
- else {
- offset += align - 1;
- offset &= ~(align - 1);
- slot = offset;
- offset += size;
- }
- if (*stack_align == 0)
- *stack_align = align;
- }
- offsets [vmv->idx] = slot;
- }
- g_list_free (vars);
- for (i = 0; i < MONO_TYPE_PINNED; ++i) {
- if (scalar_stack_slots [i].active)
- g_list_free (scalar_stack_slots [i].active);
- }
- for (i = 0; i < nvtypes; ++i) {
- if (vtype_stack_slots [i].active)
- g_list_free (vtype_stack_slots [i].active);
- }
- cfg->stat_locals_stack_size += offset;
- *stack_size = offset;
- return offsets;
- }
- /*
- * mono_allocate_stack_slots:
- *
- * Allocate stack slots for all non register allocated variables using a
- * linear scan algorithm.
- * Returns: an array of stack offsets.
- * STACK_SIZE is set to the amount of stack space needed.
- * STACK_ALIGN is set to the alignment needed by the locals area.
- */
- gint32*
- mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
- {
- int i, slot, offset, size;
- guint32 align;
- MonoMethodVar *vmv;
- MonoInst *inst;
- gint32 *offsets;
- GList *vars = NULL, *l;
- StackSlotInfo *scalar_stack_slots, *vtype_stack_slots, *slot_info;
- MonoType *t;
- int nvtypes;
- gboolean reuse_slot;
- if ((cfg->num_varinfo > 0) && MONO_VARINFO (cfg, 0)->interval)
- return mono_allocate_stack_slots2 (cfg, backward, stack_size, stack_align);
- scalar_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * MONO_TYPE_PINNED);
- vtype_stack_slots = NULL;
- nvtypes = 0;
- offsets = mono_mempool_alloc (cfg->mempool, sizeof (gint32) * cfg->num_varinfo);
- for (i = 0; i < cfg->num_varinfo; ++i)
- offsets [i] = -1;
- for (i = cfg->locals_start; i < cfg->num_varinfo; i++) {
- inst = cfg->varinfo [i];
- vmv = MONO_VARINFO (cfg, i);
- if ((inst->flags & MONO_INST_IS_DEAD) || inst->opcode == OP_REGVAR || inst->opcode == OP_REGOFFSET)
- continue;
- vars = g_list_prepend (vars, vmv);
- }
- vars = mono_varlist_sort (cfg, vars, 0);
- offset = 0;
- *stack_align = sizeof(mgreg_t);
- for (l = vars; l; l = l->next) {
- vmv = l->data;
- inst = cfg->varinfo [vmv->idx];
- t = mono_type_get_underlying_type (inst->inst_vtype);
- if (cfg->gsharedvt && mini_is_gsharedvt_variable_type (cfg, t))
- t = mini_get_gsharedvt_alloc_type_for_type (cfg, t);
- /* inst->backend.is_pinvoke indicates native sized value types, this is used by the
- * pinvoke wrappers when they call functions returning structures */
- if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (t) && t->type != MONO_TYPE_TYPEDBYREF) {
- size = mono_class_native_size (mono_class_from_mono_type (t), &align);
- } else {
- int ialign;
- size = mono_type_size (t, &ialign);
- align = ialign;
- if (mono_class_from_mono_type (t)->exception_type)
- mono_cfg_set_exception (cfg, MONO_EXCEPTION_TYPE_LOAD);
- if (MONO_CLASS_IS_SIMD (cfg, mono_class_from_mono_type (t)))
- align = 16;
- }
- reuse_slot = TRUE;
- if (cfg->disable_reuse_stack_slots)
- reuse_slot = FALSE;
- if (t->byref) {
- slot_info = &scalar_stack_slots [MONO_TYPE_I];
- } else {
- switch (t->type) {
- case MONO_TYPE_GENERICINST:
- if (!mono_type_generic_inst_is_valuetype (t)) {
- slot_info = &scalar_stack_slots [t->type];
- break;
- }
- /* Fall through */
- case MONO_TYPE_VALUETYPE:
- if (!vtype_stack_slots)
- vtype_stack_slots = mono_mempool_alloc0 (cfg->mempool, sizeof (StackSlotInfo) * 256);
- for (i = 0; i < nvtypes; ++i)
- if (t->data.klass == vtype_stack_slots [i].vtype)
- break;
- if (i < nvtypes)
- slot_info = &vtype_stack_slots [i];
- else {
- g_assert (nvtypes < 256);
- vtype_stack_slots [nvtypes].vtype = t->data.klass;
- slot_info = &vtype_stack_slots [nvtypes];
- nvtypes ++;
- }
- if (cfg->disable_reuse_ref_stack_slots)
- reuse_slot = FALSE;
- break;
- case MONO_TYPE_PTR:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- #if SIZEOF_VOID_P == 4
- case MONO_TYPE_I4:
- #else
- case MONO_TYPE_I8:
- #endif
- if (cfg->disable_ref_noref_stack_slot_share) {
- slot_info = &scalar_stack_slots [MONO_TYPE_I];
- break;
- }
- /* Fall through */
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_STRING:
- /* Share non-float stack slots of the same size */
- slot_info = &scalar_stack_slots [MONO_TYPE_CLASS];
- if (cfg->disable_reuse_ref_stack_slots)
- reuse_slot = FALSE;
- break;
- case MONO_TYPE_VAR:
- case MONO_TYPE_MVAR:
- slot_info = &scalar_stack_slots [t->type];
- break;
- default:
- slot_info = &scalar_stack_slots [t->type];
- break;
- }
- }
- slot = 0xffffff;
- if (cfg->comp_done & MONO_COMP_LIVENESS) {
- //printf ("START %2d %08x %08x\n", vmv->idx, vmv->range.first_use.abs_pos, vmv->range.last_use.abs_pos);
-
- /* expire old intervals in active */
- while (slot_info->active) {
- MonoMethodVar *amv = (MonoMethodVar *)slot_info->active->data;
- if (amv->range.last_use.abs_pos > vmv->range.first_use.abs_pos)
- break;
- //printf ("EXPIR %2d %08x %08x C%d R%d\n", amv->idx, amv->range.first_use.abs_pos, amv->range.last_use.abs_pos, amv->spill_costs, amv->reg);
- slot_info->active = g_list_delete_link (slot_info->active, slot_info->active);
- slot_info->slots = g_slist_prepend_mempool (cfg->mempool, slot_info->slots, GINT_TO_POINTER (offsets [amv->idx]));
- }
- /*
- * This also handles the case when the variable is used in an
- * exception region, as liveness info is not computed there.
- */
- /*
- * FIXME: All valuetypes are marked as INDIRECT because of LDADDR
- * opcodes.
- */
- if (! (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))) {
- if (slot_info->slots) {
- slot = GPOINTER_TO_INT (slot_info->slots->data);
- slot_info->slots = slot_info->slots->next;
- }
- slot_info->active = mono_varlist_insert_sorted (cfg, slot_info->active, vmv, TRUE);
- }
- }
- {
- static int count = 0;
- count ++;
- /*
- if (count == atoi (getenv ("COUNT")))
- printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
- if (count > atoi (getenv ("COUNT")))
- slot = 0xffffff;
- else {
- mono_print_ins (inst);
- }
- */
- }
- if (inst->flags & MONO_INST_LMF) {
- /*
- * This variable represents a MonoLMF structure, which has no corresponding
- * CLR type, so hard-code its size/alignment.
- */
- size = sizeof (MonoLMF);
- align = sizeof (mgreg_t);
- reuse_slot = FALSE;
- }
- if (!reuse_slot)
- slot = 0xffffff;
- if (slot == 0xffffff) {
- /*
- * Allways allocate valuetypes to sizeof (gpointer) to allow more
- * efficient copying (and to work around the fact that OP_MEMCPY
- * and OP_MEMSET ignores alignment).
- */
- if (MONO_TYPE_ISSTRUCT (t)) {
- align = MAX (align, sizeof (gpointer));
- align = MAX (align, mono_class_min_align (mono_class_from_mono_type (t)));
- /*
- * Align the size too so the code generated for passing vtypes in
- * registers doesn't overwrite random locals.
- */
- size = (size + (align - 1)) & ~(align -1);
- }
- if (backward) {
- offset += size;
- offset += align - 1;
- offset &= ~(align - 1);
- slot = offset;
- }
- else {
- offset += align - 1;
- offset &= ~(align - 1);
- slot = offset;
- offset += size;
- }
- *stack_align = MAX (*stack_align, align);
- }
- offsets [vmv->idx] = slot;
- }
- g_list_free (vars);
- for (i = 0; i < MONO_TYPE_PINNED; ++i) {
- if (scalar_stack_slots [i].active)
- g_list_free (scalar_stack_slots [i].active);
- }
- for (i = 0; i < nvtypes; ++i) {
- if (vtype_stack_slots [i].active)
- g_list_free (vtype_stack_slots [i].active);
- }
- cfg->stat_locals_stack_size += offset;
- *stack_size = offset;
- return offsets;
- }
- #else
- gint32*
- mono_allocate_stack_slots (MonoCompile *cfg, gboolean backward, guint32 *stack_size, guint32 *stack_align)
- {
- g_assert_not_reached ();
- return NULL;
- }
- #endif /* DISABLE_JIT */
- #define EMUL_HIT_SHIFT 3
- #define EMUL_HIT_MASK ((1 << EMUL_HIT_SHIFT) - 1)
- /* small hit bitmap cache */
- static mono_byte emul_opcode_hit_cache [(OP_LAST>>EMUL_HIT_SHIFT) + 1] = {0};
- static short emul_opcode_num = 0;
- static short emul_opcode_alloced = 0;
- static short *emul_opcode_opcodes = NULL;
- static MonoJitICallInfo **emul_opcode_map = NULL;
- MonoJitICallInfo *
- mono_find_jit_opcode_emulation (int opcode)
- {
- g_assert (opcode >= 0 && opcode <= OP_LAST);
- if (emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] & (1 << (opcode & EMUL_HIT_MASK))) {
- int i;
- for (i = 0; i < emul_opcode_num; ++i) {
- if (emul_opcode_opcodes [i] == opcode)
- return emul_opcode_map [i];
- }
- }
- return NULL;
- }
- static void
- register_opcode_emulation (int opcode, const char *name, const char *sigstr, gpointer func, const char *symbol, gboolean no_throw)
- {
- MonoJitICallInfo *info;
- MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
- g_assert (!sig->hasthis);
- g_assert (sig->param_count < 3);
- info = mono_register_jit_icall_full (func, name, sig, no_throw, symbol);
- if (emul_opcode_num >= emul_opcode_alloced) {
- int incr = emul_opcode_alloced? emul_opcode_alloced/2: 16;
- emul_opcode_alloced += incr;
- emul_opcode_map = g_realloc (emul_opcode_map, sizeof (emul_opcode_map [0]) * emul_opcode_alloced);
- emul_opcode_opcodes = g_realloc (emul_opcode_opcodes, sizeof (emul_opcode_opcodes [0]) * emul_opcode_alloced);
- }
- emul_opcode_map [emul_opcode_num] = info;
- emul_opcode_opcodes [emul_opcode_num] = opcode;
- emul_opcode_num++;
- emul_opcode_hit_cache [opcode >> (EMUL_HIT_SHIFT + 3)] |= (1 << (opcode & EMUL_HIT_MASK));
- }
- /*
- * For JIT icalls implemented in C.
- * NAME should be the same as the name of the C function whose address is FUNC.
- */
- static void
- register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
- {
- MonoMethodSignature *sig;
- if (sigstr)
- sig = mono_create_icall_signature (sigstr);
- else
- sig = NULL;
- mono_register_jit_icall_full (func, name, sig, save, save ? name : NULL);
- }
- static void
- register_dyn_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
- {
- MonoMethodSignature *sig;
- if (sigstr)
- sig = mono_create_icall_signature (sigstr);
- else
- sig = NULL;
- mono_register_jit_icall (func, name, sig, save);
- }
- static void
- print_dfn (MonoCompile *cfg) {
- int i, j;
- char *code;
- MonoBasicBlock *bb;
- MonoInst *c;
- {
- char *method_name = mono_method_full_name (cfg->method, TRUE);
- g_print ("IR code for method %s\n", method_name);
- g_free (method_name);
- }
- for (i = 0; i < cfg->num_bblocks; ++i) {
- bb = cfg->bblocks [i];
- /*if (bb->cil_code) {
- char* code1, *code2;
- code1 = mono_disasm_code_one (NULL, cfg->method, bb->cil_code, NULL);
- if (bb->last_ins->cil_code)
- code2 = mono_disasm_code_one (NULL, cfg->method, bb->last_ins->cil_code, NULL);
- else
- code2 = g_strdup ("");
- code1 [strlen (code1) - 1] = 0;
- code = g_strdup_printf ("%s -> %s", code1, code2);
- g_free (code1);
- g_free (code2);
- } else*/
- code = g_strdup ("\n");
- g_print ("\nBB%d (%d) (len: %d): %s", bb->block_num, i, bb->cil_length, code);
- MONO_BB_FOR_EACH_INS (bb, c) {
- mono_print_ins_index (-1, c);
- }
- g_print ("\tprev:");
- for (j = 0; j < bb->in_count; ++j) {
- g_print (" BB%d", bb->in_bb [j]->block_num);
- }
- g_print ("\t\tsucc:");
- for (j = 0; j < bb->out_count; ++j) {
- g_print (" BB%d", bb->out_bb [j]->block_num);
- }
- g_print ("\n\tidom: BB%d\n", bb->idom? bb->idom->block_num: -1);
- if (bb->idom)
- g_assert (mono_bitset_test_fast (bb->dominators, bb->idom->dfn));
- if (bb->dominators)
- mono_blockset_print (cfg, bb->dominators, "\tdominators", bb->idom? bb->idom->dfn: -1);
- if (bb->dfrontier)
- mono_blockset_print (cfg, bb->dfrontier, "\tdfrontier", -1);
- g_free (code);
- }
- g_print ("\n");
- }
- void
- mono_bblock_add_inst (MonoBasicBlock *bb, MonoInst *inst)
- {
- MONO_ADD_INS (bb, inst);
- }
- void
- mono_bblock_insert_after_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
- {
- if (ins == NULL) {
- ins = bb->code;
- bb->code = ins_to_insert;
- /* Link with next */
- ins_to_insert->next = ins;
- if (ins)
- ins->prev = ins_to_insert;
- if (bb->last_ins == NULL)
- bb->last_ins = ins_to_insert;
- } else {
- /* Link with next */
- ins_to_insert->next = ins->next;
- if (ins->next)
- ins->next->prev = ins_to_insert;
- /* Link with previous */
- ins->next = ins_to_insert;
- ins_to_insert->prev = ins;
- if (bb->last_ins == ins)
- bb->last_ins = ins_to_insert;
- }
- }
- void
- mono_bblock_insert_before_ins (MonoBasicBlock *bb, MonoInst *ins, MonoInst *ins_to_insert)
- {
- if (ins == NULL) {
- ins = bb->code;
- if (ins)
- ins->prev = ins_to_insert;
- bb->code = ins_to_insert;
- ins_to_insert->next = ins;
- if (bb->last_ins == NULL)
- bb->last_ins = ins_to_insert;
- } else {
- /* Link with previous */
- if (ins->prev)
- ins->prev->next = ins_to_insert;
- ins_to_insert->prev = ins->prev;
- /* Link with next */
- ins->prev = ins_to_insert;
- ins_to_insert->next = ins;
- if (bb->code == ins)
- bb->code = ins_to_insert;
- }
- }
- /*
- * mono_verify_bblock:
- *
- * Verify that the next and prev pointers are consistent inside the instructions in BB.
- */
- void
- mono_verify_bblock (MonoBasicBlock *bb)
- {
- MonoInst *ins, *prev;
- prev = NULL;
- for (ins = bb->code; ins; ins = ins->next) {
- g_assert (ins->prev == prev);
- prev = ins;
- }
- if (bb->last_ins)
- g_assert (!bb->last_ins->next);
- }
- /*
- * mono_verify_cfg:
- *
- * Perform consistency checks on the JIT data structures and the IR
- */
- void
- mono_verify_cfg (MonoCompile *cfg)
- {
- MonoBasicBlock *bb;
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
- mono_verify_bblock (bb);
- }
- void
- mono_destroy_compile (MonoCompile *cfg)
- {
- GSList *l;
- if (cfg->header)
- mono_metadata_free_mh (cfg->header);
- //mono_mempool_stats (cfg->mempool);
- mono_free_loop_info (cfg);
- if (cfg->rs)
- mono_regstate_free (cfg->rs);
- if (cfg->spvars)
- g_hash_table_destroy (cfg->spvars);
- if (cfg->exvars)
- g_hash_table_destroy (cfg->exvars);
- for (l = cfg->headers_to_free; l; l = l->next)
- mono_metadata_free_mh (l->data);
- g_list_free (cfg->ldstr_list);
- g_hash_table_destroy (cfg->token_info_hash);
- if (cfg->abs_patches)
- g_hash_table_destroy (cfg->abs_patches);
- mono_mempool_destroy (cfg->mempool);
- mono_debug_free_method (cfg);
- g_free (cfg->varinfo);
- g_free (cfg->vars);
- g_free (cfg->exception_message);
- g_free (cfg);
- }
- #ifdef MONO_HAVE_FAST_TLS
- MONO_FAST_TLS_DECLARE(mono_lmf_addr);
- #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
- /*
- * When this is defined, the current lmf is stored in this tls variable instead of in
- * jit_tls->lmf.
- */
- MONO_FAST_TLS_DECLARE(mono_lmf);
- #endif
- #endif
- MonoNativeTlsKey
- mono_get_jit_tls_key (void)
- {
- return mono_jit_tls_id;
- }
- gint32
- mono_get_jit_tls_offset (void)
- {
- int offset;
- MONO_THREAD_VAR_OFFSET (mono_jit_tls, offset);
- return offset;
- }
- gint32
- mono_get_lmf_tls_offset (void)
- {
- #if defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
- int offset;
- MONO_THREAD_VAR_OFFSET(mono_lmf,offset);
- return offset;
- #else
- return -1;
- #endif
- }
- gint32
- mono_get_lmf_addr_tls_offset (void)
- {
- int offset;
- MONO_THREAD_VAR_OFFSET(mono_lmf_addr,offset);
- return offset;
- }
- MonoLMF *
- mono_get_lmf (void)
- {
- #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
- return MONO_FAST_TLS_GET (mono_lmf);
- #else
- MonoJitTlsData *jit_tls;
- if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
- return jit_tls->lmf;
- /*
- * We do not assert here because this function can be called from
- * mini-gc.c on a thread that has not executed any managed code, yet
- * (the thread object allocation can trigger a collection).
- */
- return NULL;
- #endif
- }
- MonoLMF **
- mono_get_lmf_addr (void)
- {
- #ifdef MONO_HAVE_FAST_TLS
- return MONO_FAST_TLS_GET (mono_lmf_addr);
- #else
- MonoJitTlsData *jit_tls;
- jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
- if (G_LIKELY (jit_tls))
- return &jit_tls->lmf;
- /*
- * When resolving the call to mono_jit_thread_attach full-aot will look
- * in the plt, which causes a call into the generic trampoline, which in turn
- * tries to resolve the lmf_addr creating a cyclic dependency. We cannot
- * call mono_jit_thread_attach from the native-to-managed wrapper, without
- * mono_get_lmf_addr, and mono_get_lmf_addr requires the thread to be attached.
- */
- mono_jit_thread_attach (NULL);
-
- if ((jit_tls = mono_native_tls_get_value (mono_jit_tls_id)))
- return &jit_tls->lmf;
- g_assert_not_reached ();
- return NULL;
- #endif
- }
- void
- mono_set_lmf (MonoLMF *lmf)
- {
- #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
- MONO_FAST_TLS_SET (mono_lmf, lmf);
- #endif
- (*mono_get_lmf_addr ()) = lmf;
- }
- static void
- mono_set_jit_tls (MonoJitTlsData *jit_tls)
- {
- mono_native_tls_set_value (mono_jit_tls_id, jit_tls);
- #ifdef MONO_HAVE_FAST_TLS
- MONO_FAST_TLS_SET (mono_jit_tls, jit_tls);
- #endif
- }
- static void
- mono_set_lmf_addr (gpointer lmf_addr)
- {
- #ifdef MONO_HAVE_FAST_TLS
- MONO_FAST_TLS_SET (mono_lmf_addr, lmf_addr);
- #endif
- }
- /*
- * mono_jit_thread_attach:
- *
- * Called by native->managed wrappers. Returns the original domain which needs to be
- * restored, or NULL.
- */
- MonoDomain*
- mono_jit_thread_attach (MonoDomain *domain)
- {
- MonoDomain *orig;
- if (!domain)
- /*
- * Happens when called from AOTed code which is only used in the root
- * domain.
- */
- domain = mono_get_root_domain ();
- #ifdef MONO_HAVE_FAST_TLS
- if (!MONO_FAST_TLS_GET (mono_lmf_addr)) {
- mono_thread_attach (domain);
- // #678164
- mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
- }
- #else
- if (!mono_native_tls_get_value (mono_jit_tls_id)) {
- mono_thread_attach (domain);
- mono_thread_set_state (mono_thread_internal_current (), ThreadState_Background);
- }
- #endif
- orig = mono_domain_get ();
- if (orig != domain)
- mono_domain_set (domain, TRUE);
- return orig != domain ? orig : NULL;
- }
- /* Called by native->managed wrappers */
- void
- mono_jit_set_domain (MonoDomain *domain)
- {
- if (domain)
- mono_domain_set (domain, TRUE);
- }
- /**
- * mono_thread_abort:
- * @obj: exception object
- *
- * abort the thread, print exception information and stack trace
- */
- static void
- mono_thread_abort (MonoObject *obj)
- {
- /* MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id); */
-
- /* handle_remove should be eventually called for this thread, too
- g_free (jit_tls);*/
- if ((mono_runtime_unhandled_exception_policy_get () == MONO_UNHANDLED_POLICY_LEGACY) ||
- (obj->vtable->klass == mono_defaults.threadabortexception_class)) {
- mono_thread_exit ();
- } else {
- mono_invoke_unhandled_exception_hook (obj);
- }
- }
- static void*
- setup_jit_tls_data (gpointer stack_start, gpointer abort_func)
- {
- MonoJitTlsData *jit_tls;
- MonoLMF *lmf;
- jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
- if (jit_tls)
- return jit_tls;
- jit_tls = g_new0 (MonoJitTlsData, 1);
- jit_tls->abort_func = abort_func;
- jit_tls->end_of_stack = stack_start;
- mono_set_jit_tls (jit_tls);
- lmf = g_new0 (MonoLMF, 1);
- MONO_ARCH_INIT_TOP_LMF_ENTRY (lmf);
- jit_tls->first_lmf = lmf;
- #if defined(MONO_HAVE_FAST_TLS) && defined(MONO_ARCH_ENABLE_MONO_LMF_VAR)
- /* jit_tls->lmf is unused */
- MONO_FAST_TLS_SET (mono_lmf, lmf);
- mono_set_lmf_addr (MONO_FAST_TLS_ADDR (mono_lmf));
- #else
- mono_set_lmf_addr (&jit_tls->lmf);
- jit_tls->lmf = lmf;
- #endif
- mono_setup_altstack (jit_tls);
- return jit_tls;
- }
- static void
- free_jit_tls_data (MonoJitTlsData *jit_tls)
- {
- mono_arch_free_jit_tls_data (jit_tls);
- mono_free_altstack (jit_tls);
- g_free (jit_tls->first_lmf);
- g_free (jit_tls);
- }
- static void
- mono_thread_start_cb (intptr_t tid, gpointer stack_start, gpointer func)
- {
- MonoInternalThread *thread;
- void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort);
- thread = mono_thread_internal_current ();
- mono_debugger_thread_created (tid, thread->root_domain_thread, jit_tls, func);
- if (thread)
- thread->jit_data = jit_tls;
- mono_arch_cpu_init ();
- }
- void (*mono_thread_attach_aborted_cb ) (MonoObject *obj) = NULL;
- static void
- mono_thread_abort_dummy (MonoObject *obj)
- {
- if (mono_thread_attach_aborted_cb)
- mono_thread_attach_aborted_cb (obj);
- else
- mono_thread_abort (obj);
- }
- static void
- mono_thread_attach_cb (intptr_t tid, gpointer stack_start)
- {
- MonoInternalThread *thread;
- void *jit_tls = setup_jit_tls_data (stack_start, mono_thread_abort_dummy);
- thread = mono_thread_internal_current ();
- mono_debugger_thread_created (tid, thread->root_domain_thread, (MonoJitTlsData *) jit_tls, NULL);
- if (thread)
- thread->jit_data = jit_tls;
- if (mono_profiler_get_events () & MONO_PROFILE_STATISTICAL)
- mono_runtime_setup_stat_profiler ();
- mono_arch_cpu_init ();
- }
- static void
- mini_thread_cleanup (MonoInternalThread *thread)
- {
- MonoJitTlsData *jit_tls = thread->jit_data;
- if (jit_tls) {
- mono_debugger_thread_cleanup (jit_tls);
- /* We can't clean up tls information if we are on another thread, it will clean up the wrong stuff
- * It would be nice to issue a warning when this happens outside of the shutdown sequence. but it's
- * not a trivial thing.
- *
- * The current offender is mono_thread_manage which cleanup threads from the outside.
- */
- if (thread == mono_thread_internal_current ())
- mono_set_jit_tls (NULL);
- /* If we attach a thread but never call into managed land, we might never get an lmf.*/
- if (mono_get_lmf ()) {
- mono_set_lmf (NULL);
- mono_set_lmf_addr (NULL);
- }
- free_jit_tls_data (jit_tls);
- thread->jit_data = NULL;
- }
- }
- static MonoInst*
- mono_create_tls_get (MonoCompile *cfg, int offset)
- {
- #ifdef MONO_ARCH_HAVE_TLS_GET
- if (MONO_ARCH_HAVE_TLS_GET) {
- MonoInst* ins;
- if (offset == -1)
- return NULL;
- MONO_INST_NEW (cfg, ins, OP_TLS_GET);
- ins->dreg = mono_alloc_preg (cfg);
- ins->inst_offset = offset;
- return ins;
- }
- #endif
- return NULL;
- }
- MonoInst*
- mono_get_jit_tls_intrinsic (MonoCompile *cfg)
- {
- return mono_create_tls_get (cfg, mono_get_jit_tls_offset ());
- }
- MonoInst*
- mono_get_domain_intrinsic (MonoCompile* cfg)
- {
- return mono_create_tls_get (cfg, mono_domain_get_tls_offset ());
- }
- MonoInst*
- mono_get_thread_intrinsic (MonoCompile* cfg)
- {
- return mono_create_tls_get (cfg, mono_thread_get_tls_offset ());
- }
- MonoInst*
- mono_get_lmf_intrinsic (MonoCompile* cfg)
- {
- return mono_create_tls_get (cfg, mono_get_lmf_tls_offset ());
- }
- void
- mono_add_patch_info (MonoCompile *cfg, int ip, MonoJumpInfoType type, gconstpointer target)
- {
- MonoJumpInfo *ji = mono_mempool_alloc (cfg->mempool, sizeof (MonoJumpInfo));
- ji->ip.i = ip;
- ji->type = type;
- ji->data.target = target;
- ji->next = cfg->patch_info;
- cfg->patch_info = ji;
- }
- MonoJumpInfo *
- mono_patch_info_list_prepend (MonoJumpInfo *list, int ip, MonoJumpInfoType type, gconstpointer target)
- {
- MonoJumpInfo *ji = g_new0 (MonoJumpInfo, 1);
- ji->ip.i = ip;
- ji->type = type;
- ji->data.target = target;
- ji->next = list;
- return ji;
- }
- void
- mono_remove_patch_info (MonoCompile *cfg, int ip)
- {
- MonoJumpInfo **ji = &cfg->patch_info;
- while (*ji) {
- if ((*ji)->ip.i == ip)
- *ji = (*ji)->next;
- else
- ji = &((*ji)->next);
- }
- }
- /**
- * mono_patch_info_dup_mp:
- *
- * Make a copy of PATCH_INFO, allocating memory from the mempool MP.
- */
- MonoJumpInfo*
- mono_patch_info_dup_mp (MonoMemPool *mp, MonoJumpInfo *patch_info)
- {
- MonoJumpInfo *res = mono_mempool_alloc (mp, sizeof (MonoJumpInfo));
- memcpy (res, patch_info, sizeof (MonoJumpInfo));
- switch (patch_info->type) {
- case MONO_PATCH_INFO_RVA:
- case MONO_PATCH_INFO_LDSTR:
- case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
- case MONO_PATCH_INFO_LDTOKEN:
- case MONO_PATCH_INFO_DECLSEC:
- res->data.token = mono_mempool_alloc (mp, sizeof (MonoJumpInfoToken));
- memcpy (res->data.token, patch_info->data.token, sizeof (MonoJumpInfoToken));
- break;
- case MONO_PATCH_INFO_SWITCH:
- res->data.table = mono_mempool_alloc (mp, sizeof (MonoJumpInfoBBTable));
- memcpy (res->data.table, patch_info->data.table, sizeof (MonoJumpInfoBBTable));
- res->data.table->table = mono_mempool_alloc (mp, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
- memcpy (res->data.table->table, patch_info->data.table->table, sizeof (MonoBasicBlock*) * patch_info->data.table->table_size);
- break;
- case MONO_PATCH_INFO_RGCTX_FETCH:
- res->data.rgctx_entry = mono_mempool_alloc (mp, sizeof (MonoJumpInfoRgctxEntry));
- memcpy (res->data.rgctx_entry, patch_info->data.rgctx_entry, sizeof (MonoJumpInfoRgctxEntry));
- res->data.rgctx_entry->data = mono_patch_info_dup_mp (mp, res->data.rgctx_entry->data);
- break;
- case MONO_PATCH_INFO_GSHAREDVT_CALL:
- res->data.gsharedvt = mono_mempool_alloc (mp, sizeof (MonoJumpInfoGSharedVtCall));
- memcpy (res->data.gsharedvt, patch_info->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
- break;
- default:
- break;
- }
- return res;
- }
- guint
- mono_patch_info_hash (gconstpointer data)
- {
- const MonoJumpInfo *ji = (MonoJumpInfo*)data;
- switch (ji->type) {
- case MONO_PATCH_INFO_RVA:
- case MONO_PATCH_INFO_LDSTR:
- case MONO_PATCH_INFO_LDTOKEN:
- case MONO_PATCH_INFO_DECLSEC:
- return (ji->type << 8) | ji->data.token->token;
- case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
- return (ji->type << 8) | ji->data.token->token | (ji->data.token->has_context ? (gsize)ji->data.token->context.class_inst : 0);
- case MONO_PATCH_INFO_INTERNAL_METHOD:
- return (ji->type << 8) | g_str_hash (ji->data.name);
- case MONO_PATCH_INFO_VTABLE:
- case MONO_PATCH_INFO_CLASS:
- case MONO_PATCH_INFO_IID:
- case MONO_PATCH_INFO_ADJUSTED_IID:
- case MONO_PATCH_INFO_CLASS_INIT:
- case MONO_PATCH_INFO_METHODCONST:
- case MONO_PATCH_INFO_METHOD:
- case MONO_PATCH_INFO_METHOD_JUMP:
- case MONO_PATCH_INFO_IMAGE:
- case MONO_PATCH_INFO_JIT_ICALL_ADDR:
- case MONO_PATCH_INFO_FIELD:
- case MONO_PATCH_INFO_SFLDA:
- case MONO_PATCH_INFO_SEQ_POINT_INFO:
- return (ji->type << 8) | (gssize)ji->data.target;
- case MONO_PATCH_INFO_GSHAREDVT_CALL:
- return (ji->type << 8) | (gssize)ji->data.gsharedvt->method;
- default:
- return (ji->type << 8);
- }
- }
- /*
- * mono_patch_info_equal:
- *
- * This might fail to recognize equivalent patches, i.e. floats, so its only
- * usable in those cases where this is not a problem, i.e. sharing GOT slots
- * in AOT.
- */
- gint
- mono_patch_info_equal (gconstpointer ka, gconstpointer kb)
- {
- const MonoJumpInfo *ji1 = (MonoJumpInfo*)ka;
- const MonoJumpInfo *ji2 = (MonoJumpInfo*)kb;
- if (ji1->type != ji2->type)
- return 0;
- switch (ji1->type) {
- case MONO_PATCH_INFO_RVA:
- case MONO_PATCH_INFO_LDSTR:
- case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
- case MONO_PATCH_INFO_LDTOKEN:
- case MONO_PATCH_INFO_DECLSEC:
- if ((ji1->data.token->image != ji2->data.token->image) ||
- (ji1->data.token->token != ji2->data.token->token) ||
- (ji1->data.token->has_context != ji2->data.token->has_context) ||
- (ji1->data.token->context.class_inst != ji2->data.token->context.class_inst) ||
- (ji1->data.token->context.method_inst != ji2->data.token->context.method_inst))
- return 0;
- break;
- case MONO_PATCH_INFO_INTERNAL_METHOD:
- return g_str_equal (ji1->data.name, ji2->data.name);
- case MONO_PATCH_INFO_RGCTX_FETCH: {
- MonoJumpInfoRgctxEntry *e1 = ji1->data.rgctx_entry;
- MonoJumpInfoRgctxEntry *e2 = ji2->data.rgctx_entry;
- return e1->method == e2->method && e1->in_mrgctx == e2->in_mrgctx && e1->info_type == e2->info_type && mono_patch_info_equal (e1->data, e2->data);
- }
- case MONO_PATCH_INFO_GSHAREDVT_CALL: {
- MonoJumpInfoGSharedVtCall *c1 = ji1->data.gsharedvt;
- MonoJumpInfoGSharedVtCall *c2 = ji2->data.gsharedvt;
- return c1->sig == c2->sig && c1->method == c2->method;
- }
- default:
- if (ji1->data.target != ji2->data.target)
- return 0;
- break;
- }
- return 1;
- }
- gpointer
- mono_resolve_patch_target (MonoMethod *method, MonoDomain *domain, guint8 *code, MonoJumpInfo *patch_info, gboolean run_cctors)
- {
- unsigned char *ip = patch_info->ip.i + code;
- gconstpointer target = NULL;
- switch (patch_info->type) {
- case MONO_PATCH_INFO_BB:
- /*
- * FIXME: This could be hit for methods without a prolog. Should use -1
- * but too much code depends on a 0 initial value.
- */
- //g_assert (patch_info->data.bb->native_offset);
- target = patch_info->data.bb->native_offset + code;
- break;
- case MONO_PATCH_INFO_ABS:
- target = patch_info->data.target;
- break;
- case MONO_PATCH_INFO_LABEL:
- target = patch_info->data.inst->inst_c0 + code;
- break;
- case MONO_PATCH_INFO_IP:
- #if defined(__native_client__) && defined(__native_client_codegen__)
- /* Need to transform to the destination address, it's */
- /* emitted as an immediate in the code. */
- target = nacl_inverse_modify_patch_target(ip);
- #else
- target = ip;
- #endif
- break;
- case MONO_PATCH_INFO_METHOD_REL:
- target = code + patch_info->data.offset;
- break;
- case MONO_PATCH_INFO_INTERNAL_METHOD: {
- MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
- if (!mi) {
- g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
- g_assert_not_reached ();
- }
- target = mono_icall_get_wrapper (mi);
- break;
- }
- case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
- MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
- if (!mi) {
- g_warning ("unknown MONO_PATCH_INFO_JIT_ICALL_ADDR %s", patch_info->data.name);
- g_assert_not_reached ();
- }
- target = mi->func;
- break;
- }
- case MONO_PATCH_INFO_METHOD_JUMP:
- target = mono_create_jump_trampoline (domain, patch_info->data.method, FALSE);
- #if defined(__native_client__) && defined(__native_client_codegen__)
- #if defined(TARGET_AMD64)
- /* This target is an absolute address, not relative to the */
- /* current code being emitted on AMD64. */
- target = nacl_inverse_modify_patch_target(target);
- #endif
- #endif
- break;
- case MONO_PATCH_INFO_METHOD:
- if (patch_info->data.method == method) {
- target = code;
- } else {
- /* get the trampoline to the method from the domain */
- target = mono_create_jit_trampoline_in_domain (domain, patch_info->data.method);
- }
- break;
- case MONO_PATCH_INFO_SWITCH: {
- gpointer *jump_table;
- int i;
- #if defined(__native_client__) && defined(__native_client_codegen__)
- /* This memory will leak, but we don't care if we're */
- /* not deleting JIT'd methods anyway */
- jump_table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
- #else
- if (method && method->dynamic) {
- jump_table = mono_code_manager_reserve (mono_dynamic_code_hash_lookup (domain, method)->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
- } else {
- if (mono_aot_only) {
- jump_table = mono_domain_alloc (domain, sizeof (gpointer) * patch_info->data.table->table_size);
- } else {
- jump_table = mono_domain_code_reserve (domain, sizeof (gpointer) * patch_info->data.table->table_size);
- }
- }
- #endif
- for (i = 0; i < patch_info->data.table->table_size; i++) {
- #if defined(__native_client__) && defined(__native_client_codegen__)
- /* 'code' is relative to the current code blob, we */
- /* need to do this transform on it to make the */
- /* pointers in this table absolute */
- jump_table [i] = nacl_inverse_modify_patch_target (code) + GPOINTER_TO_INT (patch_info->data.table->table [i]);
- #else
- jump_table [i] = code + GPOINTER_TO_INT (patch_info->data.table->table [i]);
- #endif
- }
- #if defined(__native_client__) && defined(__native_client_codegen__)
- /* jump_table is in the data section, we need to transform */
- /* it here so when it gets modified in amd64_patch it will */
- /* then point back to the absolute data address */
- target = nacl_inverse_modify_patch_target (jump_table);
- #else
- target = jump_table;
- #endif
- break;
- }
- case MONO_PATCH_INFO_METHODCONST:
- case MONO_PATCH_INFO_CLASS:
- case MONO_PATCH_INFO_IMAGE:
- case MONO_PATCH_INFO_FIELD:
- case MONO_PATCH_INFO_SIGNATURE:
- target = patch_info->data.target;
- break;
- case MONO_PATCH_INFO_IID:
- mono_class_init (patch_info->data.klass);
- target = GINT_TO_POINTER ((int)patch_info->data.klass->interface_id);
- break;
- case MONO_PATCH_INFO_ADJUSTED_IID:
- mono_class_init (patch_info->data.klass);
- target = GINT_TO_POINTER ((int)(-((patch_info->data.klass->interface_id + 1) * SIZEOF_VOID_P)));
- break;
- case MONO_PATCH_INFO_VTABLE:
- target = mono_class_vtable (domain, patch_info->data.klass);
- g_assert (target);
- break;
- case MONO_PATCH_INFO_CLASS_INIT: {
- MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.klass);
- g_assert (vtable);
- target = mono_create_class_init_trampoline (vtable);
- break;
- }
- case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
- target = mono_create_delegate_trampoline (domain, patch_info->data.klass);
- break;
- case MONO_PATCH_INFO_SFLDA: {
- MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
- if (mono_class_field_is_special_static (patch_info->data.field)) {
- gpointer addr = NULL;
- mono_domain_lock (domain);
- if (domain->special_static_fields)
- addr = g_hash_table_lookup (domain->special_static_fields, patch_info->data.field);
- mono_domain_unlock (domain);
- g_assert (addr);
- return addr;
- }
- g_assert (vtable);
- if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && (method && mono_class_needs_cctor_run (vtable->klass, method)))
- /* Done by the generated code */
- ;
- else {
- if (run_cctors)
- mono_runtime_class_init (vtable);
- }
- target = (char*)mono_vtable_get_static_field_data (vtable) + patch_info->data.field->offset;
- break;
- }
- case MONO_PATCH_INFO_RVA: {
- guint32 field_index = mono_metadata_token_index (patch_info->data.token->token);
- guint32 rva;
- mono_metadata_field_info (patch_info->data.token->image, field_index - 1, NULL, &rva, NULL);
- target = mono_image_rva_map (patch_info->data.token->image, rva);
- break;
- }
- case MONO_PATCH_INFO_R4:
- case MONO_PATCH_INFO_R8:
- target = patch_info->data.target;
- break;
- case MONO_PATCH_INFO_EXC_NAME:
- target = patch_info->data.name;
- break;
- case MONO_PATCH_INFO_LDSTR:
- target =
- mono_ldstr (domain, patch_info->data.token->image,
- mono_metadata_token_index (patch_info->data.token->token));
- break;
- case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
- gpointer handle;
- MonoClass *handle_class;
- handle = mono_ldtoken (patch_info->data.token->image,
- patch_info->data.token->token, &handle_class, patch_info->data.token->has_context ? &patch_info->data.token->context : NULL);
- mono_class_init (handle_class);
- mono_class_init (mono_class_from_mono_type (handle));
- target =
- mono_type_get_object (domain, handle);
- break;
- }
- case MONO_PATCH_INFO_LDTOKEN: {
- gpointer handle;
- MonoClass *handle_class;
-
- handle = mono_ldtoken (patch_info->data.token->image,
- patch_info->data.token->token, &handle_class, NULL);
- mono_class_init (handle_class);
-
- target = handle;
- break;
- }
- case MONO_PATCH_INFO_DECLSEC:
- target = (mono_metadata_blob_heap (patch_info->data.token->image, patch_info->data.token->token) + 2);
- break;
- case MONO_PATCH_INFO_ICALL_ADDR:
- /* run_cctors == 0 -> AOT */
- if (patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
- const char *exc_class;
- const char *exc_arg;
- if (run_cctors) {
- target = mono_lookup_pinvoke_call (patch_info->data.method, &exc_class, &exc_arg);
- if (!target) {
- if (mono_aot_only)
- mono_raise_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System", exc_class, exc_arg));
- g_error ("Unable to resolve pinvoke method '%s' Re-run with MONO_LOG_LEVEL=debug for more information.\n", mono_method_full_name (patch_info->data.method, TRUE));
- }
- } else {
- target = NULL;
- }
- } else {
- target = mono_lookup_internal_call (patch_info->data.method);
- if (!target && run_cctors)
- g_error ("Unregistered icall '%s'\n", mono_method_full_name (patch_info->data.method, TRUE));
- }
- break;
- case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
- target = mono_thread_interruption_request_flag ();
- break;
- case MONO_PATCH_INFO_METHOD_RGCTX: {
- MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.method->klass);
- g_assert (vtable);
- target = mono_method_lookup_rgctx (vtable, mini_method_get_context (patch_info->data.method)->method_inst);
- break;
- }
- case MONO_PATCH_INFO_BB_OVF:
- case MONO_PATCH_INFO_EXC_OVF:
- case MONO_PATCH_INFO_GOT_OFFSET:
- case MONO_PATCH_INFO_NONE:
- break;
- case MONO_PATCH_INFO_RGCTX_FETCH: {
- MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
- guint32 slot = -1;
- switch (entry->data->type) {
- case MONO_PATCH_INFO_CLASS:
- slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, &entry->data->data.klass->byval_arg, entry->info_type, mono_method_get_context (entry->method));
- break;
- case MONO_PATCH_INFO_METHOD:
- case MONO_PATCH_INFO_METHODCONST:
- slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.method, entry->info_type, mono_method_get_context (entry->method));
- break;
- case MONO_PATCH_INFO_FIELD:
- slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.field, entry->info_type, mono_method_get_context (entry->method));
- break;
- case MONO_PATCH_INFO_SIGNATURE:
- slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, entry->data->data.sig, entry->info_type, mono_method_get_context (entry->method));
- break;
- case MONO_PATCH_INFO_GSHAREDVT_CALL: {
- MonoJumpInfoGSharedVtCall *call_info = mono_domain_alloc0 (domain, sizeof (MonoJumpInfoGSharedVtCall));
- memcpy (call_info, entry->data->data.gsharedvt, sizeof (MonoJumpInfoGSharedVtCall));
- slot = mono_method_lookup_or_register_info (entry->method, entry->in_mrgctx, call_info, entry->info_type, mono_method_get_context (entry->method));
- break;
- }
- default:
- g_assert_not_reached ();
- break;
- }
- target = mono_create_rgctx_lazy_fetch_trampoline (slot);
- break;
- }
- case MONO_PATCH_INFO_GENERIC_CLASS_INIT:
- target = mono_create_generic_class_init_trampoline ();
- break;
- case MONO_PATCH_INFO_MONITOR_ENTER:
- target = mono_create_monitor_enter_trampoline ();
- break;
- case MONO_PATCH_INFO_MONITOR_EXIT:
- target = mono_create_monitor_exit_trampoline ();
- break;
- #ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
- case MONO_PATCH_INFO_SEQ_POINT_INFO:
- if (!run_cctors)
- /* AOT, not needed */
- target = NULL;
- else
- target = mono_arch_get_seq_point_info (domain, code);
- break;
- #endif
- case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
- #ifdef MONO_ARCH_LLVM_SUPPORTED
- g_assert (mono_use_llvm);
- target = mono_create_llvm_imt_trampoline (domain, patch_info->data.imt_tramp->method, patch_info->data.imt_tramp->vt_offset);
- #else
- g_assert_not_reached ();
- #endif
- break;
- case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR: {
- int card_table_shift_bits;
- gpointer card_table_mask;
- target = mono_gc_get_card_table (&card_table_shift_bits, &card_table_mask);
- break;
- }
- case MONO_PATCH_INFO_CASTCLASS_CACHE: {
- target = mono_domain_alloc0 (domain, sizeof (gpointer));
- break;
- }
- case MONO_PATCH_INFO_JIT_TLS_ID: {
- target = (gpointer)mono_jit_tls_id;
- break;
- }
- default:
- g_assert_not_reached ();
- }
- return (gpointer)target;
- }
- void
- mono_add_seq_point (MonoCompile *cfg, MonoBasicBlock *bb, MonoInst *ins, int native_offset)
- {
- ins->inst_offset = native_offset;
- g_ptr_array_add (cfg->seq_points, ins);
- bb->seq_points = g_slist_prepend_mempool (cfg->mempool, bb->seq_points, ins);
- bb->last_seq_point = ins;
- }
- void
- mono_add_var_location (MonoCompile *cfg, MonoInst *var, gboolean is_reg, int reg, int offset, int from, int to)
- {
- MonoDwarfLocListEntry *entry = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoDwarfLocListEntry));
- if (is_reg)
- g_assert (offset == 0);
- entry->is_reg = is_reg;
- entry->reg = reg;
- entry->offset = offset;
- entry->from = from;
- entry->to = to;
- if (var == cfg->args [0])
- cfg->this_loclist = g_slist_append_mempool (cfg->mempool, cfg->this_loclist, entry);
- else if (var == cfg->rgctx_var)
- cfg->rgctx_loclist = g_slist_append_mempool (cfg->mempool, cfg->rgctx_loclist, entry);
- }
- #ifndef DISABLE_JIT
- static void
- mono_compile_create_vars (MonoCompile *cfg)
- {
- MonoMethodSignature *sig;
- MonoMethodHeader *header;
- int i;
- header = cfg->header;
- sig = mono_method_signature (cfg->method);
-
- if (!MONO_TYPE_IS_VOID (sig->ret)) {
- cfg->ret = mono_compile_create_var (cfg, sig->ret, OP_ARG);
- /* Inhibit optimizations */
- cfg->ret->flags |= MONO_INST_VOLATILE;
- }
- if (cfg->verbose_level > 2)
- g_print ("creating vars\n");
- cfg->args = mono_mempool_alloc0 (cfg->mempool, (sig->param_count + sig->hasthis) * sizeof (MonoInst*));
- if (sig->hasthis)
- cfg->args [0] = mono_compile_create_var (cfg, &cfg->method->klass->this_arg, OP_ARG);
- for (i = 0; i < sig->param_count; ++i) {
- cfg->args [i + sig->hasthis] = mono_compile_create_var (cfg, sig->params [i], OP_ARG);
- }
- if (cfg->verbose_level > 2) {
- if (cfg->ret) {
- printf ("\treturn : ");
- mono_print_ins (cfg->ret);
- }
- if (sig->hasthis) {
- printf ("\tthis: ");
- mono_print_ins (cfg->args [0]);
- }
- for (i = 0; i < sig->param_count; ++i) {
- printf ("\targ [%d]: ", i);
- mono_print_ins (cfg->args [i + sig->hasthis]);
- }
- }
- cfg->locals_start = cfg->num_varinfo;
- cfg->locals = mono_mempool_alloc0 (cfg->mempool, header->num_locals * sizeof (MonoInst*));
- if (cfg->verbose_level > 2)
- g_print ("creating locals\n");
- for (i = 0; i < header->num_locals; ++i)
- cfg->locals [i] = mono_compile_create_var (cfg, header->locals [i], OP_LOCAL);
- if (cfg->verbose_level > 2)
- g_print ("locals done\n");
- mono_arch_create_vars (cfg);
- }
- void
- mono_print_code (MonoCompile *cfg, const char* msg)
- {
- MonoBasicBlock *bb;
-
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
- mono_print_bb (bb, msg);
- }
- static void
- mono_postprocess_patches (MonoCompile *cfg)
- {
- MonoJumpInfo *patch_info;
- int i;
- for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
- switch (patch_info->type) {
- case MONO_PATCH_INFO_ABS: {
- MonoJitICallInfo *info = mono_find_jit_icall_by_addr (patch_info->data.target);
- /*
- * Change patches of type MONO_PATCH_INFO_ABS into patches describing the
- * absolute address.
- */
- if (info) {
- //printf ("TEST %s %p\n", info->name, patch_info->data.target);
- /* for these array methods we currently register the same function pointer
- * since it's a vararg function. But this means that mono_find_jit_icall_by_addr ()
- * will return the incorrect one depending on the order they are registered.
- * See tests/test-arr.cs
- */
- if (strstr (info->name, "ves_array_new_va_") == NULL && strstr (info->name, "ves_array_element_address_") == NULL) {
- patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
- patch_info->data.name = info->name;
- }
- }
- if (patch_info->type == MONO_PATCH_INFO_ABS) {
- if (cfg->abs_patches) {
- MonoJumpInfo *abs_ji = g_hash_table_lookup (cfg->abs_patches, patch_info->data.target);
- if (abs_ji) {
- patch_info->type = abs_ji->type;
- patch_info->data.target = abs_ji->data.target;
- }
- }
- }
- break;
- }
- case MONO_PATCH_INFO_SWITCH: {
- gpointer *table;
- #if defined(__native_client__) && defined(__native_client_codegen__)
- /* This memory will leak. */
- /* TODO: can we free this when */
- /* making the final jump table? */
- table = g_malloc0 (sizeof(gpointer) * patch_info->data.table->table_size);
- #else
- if (cfg->method->dynamic) {
- table = mono_code_manager_reserve (cfg->dynamic_info->code_mp, sizeof (gpointer) * patch_info->data.table->table_size);
- } else {
- table = mono_domain_code_reserve (cfg->domain, sizeof (gpointer) * patch_info->data.table->table_size);
- }
- #endif
- for (i = 0; i < patch_info->data.table->table_size; i++) {
- /* Might be NULL if the switch is eliminated */
- if (patch_info->data.table->table [i]) {
- g_assert (patch_info->data.table->table [i]->native_offset);
- table [i] = GINT_TO_POINTER (patch_info->data.table->table [i]->native_offset);
- } else {
- table [i] = NULL;
- }
- }
- patch_info->data.table->table = (MonoBasicBlock**)table;
- break;
- }
- case MONO_PATCH_INFO_METHOD_JUMP: {
- MonoJumpList *jlist;
- MonoDomain *domain = cfg->domain;
- unsigned char *ip = cfg->native_code + patch_info->ip.i;
- #if defined(__native_client__) && defined(__native_client_codegen__)
- /* When this jump target gets evaluated, the method */
- /* will be installed in the dynamic code section, */
- /* not at the location of cfg->native_code. */
- ip = nacl_inverse_modify_patch_target (cfg->native_code) + patch_info->ip.i;
- #endif
- mono_domain_lock (domain);
- jlist = g_hash_table_lookup (domain_jit_info (domain)->jump_target_hash, patch_info->data.method);
- if (!jlist) {
- jlist = mono_domain_alloc0 (domain, sizeof (MonoJumpList));
- g_hash_table_insert (domain_jit_info (domain)->jump_target_hash, patch_info->data.method, jlist);
- }
- jlist->list = g_slist_prepend (jlist->list, ip);
- mono_domain_unlock (domain);
- break;
- }
- default:
- /* do nothing */
- break;
- }
- }
- }
- static void
- collect_pred_seq_points (MonoBasicBlock *bb, MonoInst *ins, GSList **next, int depth)
- {
- int i;
- MonoBasicBlock *in_bb;
- GSList *l;
- for (i = 0; i < bb->in_count; ++i) {
- in_bb = bb->in_bb [i];
- if (in_bb->last_seq_point) {
- int src_index = in_bb->last_seq_point->backend.size;
- int dst_index = ins->backend.size;
- /* bb->in_bb might contain duplicates */
- for (l = next [src_index]; l; l = l->next)
- if (GPOINTER_TO_UINT (l->data) == dst_index)
- break;
- if (!l)
- next [src_index] = g_slist_append (next [src_index], GUINT_TO_POINTER (dst_index));
- } else {
- /* Have to look at its predecessors */
- if (depth < 5)
- collect_pred_seq_points (in_bb, ins, next, depth + 1);
- }
- }
- }
- static void
- mono_save_seq_point_info (MonoCompile *cfg)
- {
- MonoBasicBlock *bb;
- GSList *bb_seq_points, *l;
- MonoInst *last;
- MonoDomain *domain = cfg->domain;
- int i;
- MonoSeqPointInfo *info;
- GSList **next;
- if (!cfg->seq_points)
- return;
- info = g_malloc0 (sizeof (MonoSeqPointInfo) + (cfg->seq_points->len - MONO_ZERO_LEN_ARRAY) * sizeof (SeqPoint));
- info->len = cfg->seq_points->len;
- for (i = 0; i < cfg->seq_points->len; ++i) {
- SeqPoint *sp = &info->seq_points [i];
- MonoInst *ins = g_ptr_array_index (cfg->seq_points, i);
- sp->il_offset = ins->inst_imm;
- sp->native_offset = ins->inst_offset;
- /* Used below */
- ins->backend.size = i;
- }
- /*
- * For each sequence point, compute the list of sequence points immediately
- * following it, this is needed to implement 'step over' in the debugger agent.
- */
- next = g_new0 (GSList*, cfg->seq_points->len);
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
- bb_seq_points = g_slist_reverse (bb->seq_points);
- last = NULL;
- for (l = bb_seq_points; l; l = l->next) {
- MonoInst *ins = l->data;
- if (ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET)
- /* Used to implement method entry/exit events */
- continue;
- if (last != NULL) {
- /* Link with the previous seq point in the same bb */
- next [last->backend.size] = g_slist_append (next [last->backend.size], GUINT_TO_POINTER (ins->backend.size));
- } else {
- /* Link with the last bb in the previous bblocks */
- collect_pred_seq_points (bb, ins, next, 0);
- }
- last = ins;
- }
- if (bb->last_ins && bb->last_ins->opcode == OP_ENDFINALLY) {
- MonoBasicBlock *bb2;
- MonoInst *endfinally_seq_point = NULL;
- /*
- * The ENDFINALLY branches are not represented in the cfg, so link it with all seq points starting bbs.
- */
- l = g_slist_last (bb->seq_points);
- g_assert (l);
- endfinally_seq_point = l->data;
- for (bb2 = cfg->bb_entry; bb2; bb2 = bb2->next_bb) {
- GSList *l = g_slist_last (bb2->seq_points);
- if (l) {
- MonoInst *ins = l->data;
- if (!(ins->inst_imm == METHOD_ENTRY_IL_OFFSET || ins->inst_imm == METHOD_EXIT_IL_OFFSET) && ins != endfinally_seq_point)
- next [endfinally_seq_point->backend.size] = g_slist_append (next [endfinally_seq_point->backend.size], GUINT_TO_POINTER (ins->backend.size));
- }
- }
- }
- }
- if (cfg->verbose_level > 2) {
- printf ("\nSEQ POINT MAP: \n");
- }
- for (i = 0; i < cfg->seq_points->len; ++i) {
- SeqPoint *sp = &info->seq_points [i];
- GSList *l;
- int j, next_index;
- sp->next_len = g_slist_length (next [i]);
- sp->next = g_new (int, sp->next_len);
- j = 0;
- if (cfg->verbose_level > 2 && next [i]) {
- printf ("\tIL0x%x ->", sp->il_offset);
- for (l = next [i]; l; l = l->next) {
- next_index = GPOINTER_TO_UINT (l->data);
- printf (" IL0x%x", info->seq_points [next_index].il_offset);
- }
- printf ("\n");
- }
- for (l = next [i]; l; l = l->next) {
- next_index = GPOINTER_TO_UINT (l->data);
- sp->next [j ++] = next_index;
- }
- g_slist_free (next [i]);
- }
- g_free (next);
- cfg->seq_point_info = info;
- // FIXME: dynamic methods
- if (!cfg->compile_aot) {
- mono_domain_lock (domain);
- // FIXME: How can the lookup succeed ?
- if (!g_hash_table_lookup (domain_jit_info (domain)->seq_points, cfg->method_to_register))
- g_hash_table_insert (domain_jit_info (domain)->seq_points, cfg->method_to_register, info);
- mono_domain_unlock (domain);
- }
- g_ptr_array_free (cfg->seq_points, TRUE);
- cfg->seq_points = NULL;
- }
- void
- mono_codegen (MonoCompile *cfg)
- {
- MonoBasicBlock *bb;
- int max_epilog_size;
- guint8 *code;
- MonoDomain *code_domain;
- if (mono_using_xdebug)
- /*
- * Recent gdb versions have trouble processing symbol files containing
- * overlapping address ranges, so allocate all code from the code manager
- * of the root domain. (#666152).
- */
- code_domain = mono_get_root_domain ();
- else
- code_domain = cfg->domain;
- #if defined(__native_client_codegen__) && defined(__native_client__)
- void *code_dest;
- /* This keeps patch targets from being transformed during
- * ordinary method compilation, for local branches and jumps.
- */
- nacl_allow_target_modification (FALSE);
- #endif
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
- cfg->spill_count = 0;
- /* we reuse dfn here */
- /* bb->dfn = bb_count++; */
- mono_arch_lowering_pass (cfg, bb);
- if (cfg->opt & MONO_OPT_PEEPHOLE)
- mono_arch_peephole_pass_1 (cfg, bb);
- if (!cfg->globalra)
- mono_local_regalloc (cfg, bb);
- if (cfg->opt & MONO_OPT_PEEPHOLE)
- mono_arch_peephole_pass_2 (cfg, bb);
- }
- if (cfg->prof_options & MONO_PROFILE_COVERAGE)
- cfg->coverage_info = mono_profiler_coverage_alloc (cfg->method, cfg->num_bblocks);
- code = mono_arch_emit_prolog (cfg);
- if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
- code = mono_arch_instrument_prolog (cfg, mono_profiler_method_enter, code, FALSE);
- cfg->code_len = code - cfg->native_code;
- cfg->prolog_end = cfg->code_len;
- mono_debug_open_method (cfg);
- /* emit code all basic blocks */
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
- bb->native_offset = cfg->code_len;
- bb->real_native_offset = cfg->code_len;
- //if ((bb == cfg->bb_entry) || !(bb->region == -1 && !bb->dfn))
- mono_arch_output_basic_block (cfg, bb);
- bb->native_length = cfg->code_len - bb->native_offset;
- if (bb == cfg->bb_exit) {
- cfg->epilog_begin = cfg->code_len;
- if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE) {
- code = cfg->native_code + cfg->code_len;
- code = mono_arch_instrument_epilog (cfg, mono_profiler_method_leave, code, FALSE);
- cfg->code_len = code - cfg->native_code;
- g_assert (cfg->code_len < cfg->code_size);
- }
- mono_arch_emit_epilog (cfg);
- }
- }
- #ifdef __native_client_codegen__
- mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
- #endif
- mono_arch_emit_exceptions (cfg);
- max_epilog_size = 0;
- /* we always allocate code in cfg->domain->code_mp to increase locality */
- cfg->code_size = cfg->code_len + max_epilog_size;
- /* fixme: align to MONO_ARCH_CODE_ALIGNMENT */
- if (cfg->method->dynamic) {
- guint unwindlen = 0;
- #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
- unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
- #endif
- /* Allocate the code into a separate memory pool so it can be freed */
- cfg->dynamic_info = g_new0 (MonoJitDynamicMethodInfo, 1);
- cfg->dynamic_info->code_mp = mono_code_manager_new_dynamic ();
- mono_domain_lock (cfg->domain);
- mono_dynamic_code_hash_insert (cfg->domain, cfg->method, cfg->dynamic_info);
- mono_domain_unlock (cfg->domain);
- if (mono_using_xdebug)
- /* See the comment for cfg->code_domain */
- code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
- else
- code = mono_code_manager_reserve (cfg->dynamic_info->code_mp, cfg->code_size + unwindlen);
- } else {
- guint unwindlen = 0;
- #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
- unwindlen = mono_arch_unwindinfo_get_size (cfg->arch.unwindinfo);
- #endif
- code = mono_domain_code_reserve (code_domain, cfg->code_size + unwindlen);
- }
- #if defined(__native_client_codegen__) && defined(__native_client__)
- nacl_allow_target_modification (TRUE);
- #endif
- g_assert (code);
- memcpy (code, cfg->native_code, cfg->code_len);
- #if defined(__default_codegen__)
- g_free (cfg->native_code);
- #elif defined(__native_client_codegen__)
- if (cfg->native_code_alloc) {
- g_free (cfg->native_code_alloc);
- cfg->native_code_alloc = 0;
- }
- else if (cfg->native_code) {
- g_free (cfg->native_code);
- }
- #endif /* __native_client_codegen__ */
- cfg->native_code = code;
- code = cfg->native_code + cfg->code_len;
-
- /* g_assert (((int)cfg->native_code & (MONO_ARCH_CODE_ALIGNMENT - 1)) == 0); */
- mono_postprocess_patches (cfg);
- #ifdef VALGRIND_JIT_REGISTER_MAP
- if (valgrind_register){
- char* nm = mono_method_full_name (cfg->method, TRUE);
- VALGRIND_JIT_REGISTER_MAP (nm, cfg->native_code, cfg->native_code + cfg->code_len);
- g_free (nm);
- }
- #endif
-
- if (cfg->verbose_level > 0) {
- char* nm = mono_method_full_name (cfg->method, TRUE);
- g_print ("Method %s emitted at %p to %p (code length %d) [%s]\n",
- nm,
- cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
- g_free (nm);
- }
- {
- gboolean is_generic = FALSE;
- if (cfg->method->is_inflated || mono_method_get_generic_container (cfg->method) ||
- cfg->method->klass->generic_container || cfg->method->klass->generic_class) {
- is_generic = TRUE;
- }
- if (cfg->generic_sharing_context)
- g_assert (is_generic);
- }
- #ifdef MONO_ARCH_HAVE_SAVE_UNWIND_INFO
- mono_arch_save_unwind_info (cfg);
- #endif
- #if defined(__native_client_codegen__) && defined(__native_client__)
- if (!cfg->compile_aot) {
- if (cfg->method->dynamic) {
- code_dest = nacl_code_manager_get_code_dest(cfg->dynamic_info->code_mp, cfg->native_code);
- } else {
- code_dest = nacl_domain_get_code_dest(cfg->domain, cfg->native_code);
- }
- }
- #endif
- #if defined(__native_client_codegen__)
- mono_nacl_fix_patches (cfg->native_code, cfg->patch_info);
- #endif
- mono_arch_patch_code (cfg->method, cfg->domain, cfg->native_code, cfg->patch_info, cfg->dynamic_info ? cfg->dynamic_info->code_mp : NULL, cfg->run_cctors);
- if (cfg->method->dynamic) {
- if (mono_using_xdebug)
- mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
- else
- mono_code_manager_commit (cfg->dynamic_info->code_mp, cfg->native_code, cfg->code_size, cfg->code_len);
- } else {
- mono_domain_code_commit (code_domain, cfg->native_code, cfg->code_size, cfg->code_len);
- }
- #if defined(__native_client_codegen__) && defined(__native_client__)
- cfg->native_code = code_dest;
- #endif
- mono_profiler_code_buffer_new (cfg->native_code, cfg->code_len, MONO_PROFILER_CODE_BUFFER_METHOD, cfg->method);
-
- mono_arch_flush_icache (cfg->native_code, cfg->code_len);
- mono_debug_close_method (cfg);
- #ifdef MONO_ARCH_HAVE_UNWIND_TABLE
- mono_arch_unwindinfo_install_unwind_info (&cfg->arch.unwindinfo, cfg->native_code, cfg->code_len);
- #endif
- }
- static void
- compute_reachable (MonoBasicBlock *bb)
- {
- int i;
- if (!(bb->flags & BB_VISITED)) {
- bb->flags |= BB_VISITED;
- for (i = 0; i < bb->out_count; ++i)
- compute_reachable (bb->out_bb [i]);
- }
- }
- static void
- mono_handle_out_of_line_bblock (MonoCompile *cfg)
- {
- MonoBasicBlock *bb;
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
- if (bb->next_bb && bb->next_bb->out_of_line && bb->last_ins && !MONO_IS_BRANCH_OP (bb->last_ins)) {
- MonoInst *ins;
- MONO_INST_NEW (cfg, ins, OP_BR);
- MONO_ADD_INS (bb, ins);
- ins->inst_target_bb = bb->next_bb;
- }
- }
- }
- #endif /* #ifndef DISABLE_JIT */
- static MonoJitInfo*
- create_jit_info_for_trampoline (MonoMethod *wrapper, MonoTrampInfo *info)
- {
- MonoDomain *domain = mono_get_root_domain ();
- MonoJitInfo *jinfo;
- guint8 *uw_info;
- guint32 info_len;
- if (info->uw_info) {
- uw_info = info->uw_info;
- info_len = info->uw_info_len;
- } else {
- uw_info = mono_unwind_ops_encode (info->unwind_ops, &info_len);
- }
- jinfo = mono_domain_alloc0 (domain, MONO_SIZEOF_JIT_INFO);
- jinfo->method = wrapper;
- jinfo->code_start = info->code;
- jinfo->code_size = info->code_size;
- jinfo->used_regs = mono_cache_unwind_info (uw_info, info_len);
- return jinfo;
- }
- #ifndef DISABLE_JIT
- static MonoJitInfo*
- create_jit_info (MonoCompile *cfg, MonoMethod *method_to_compile)
- {
- GSList *tmp;
- MonoMethodHeader *header;
- MonoJitInfo *jinfo;
- int num_clauses;
- int generic_info_size, arch_eh_info_size = 0;
- int holes_size = 0, num_holes = 0, cas_size = 0;
- guint32 stack_size = 0;
- g_assert (method_to_compile == cfg->method);
- header = cfg->header;
- if (cfg->generic_sharing_context)
- generic_info_size = sizeof (MonoGenericJitInfo);
- else
- generic_info_size = 0;
- if (cfg->arch_eh_jit_info) {
- MonoJitArgumentInfo *arg_info;
- MonoMethodSignature *sig = mono_method_signature (cfg->method_to_register);
- /*
- * This cannot be computed during stack walking, as
- * mono_arch_get_argument_info () is not signal safe.
- */
- arg_info = g_newa (MonoJitArgumentInfo, sig->param_count + 1);
- stack_size = mono_arch_get_argument_info (cfg->generic_sharing_context, sig, sig->param_count, arg_info);
- if (stack_size)
- arch_eh_info_size = sizeof (MonoArchEHJitInfo);
- }
-
- if (cfg->try_block_holes) {
- for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
- TryBlockHole *hole = tmp->data;
- MonoExceptionClause *ec = hole->clause;
- int hole_end = hole->basic_block->native_offset + hole->basic_block->native_length;
- MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
- g_assert (clause_last_bb);
- /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
- if (clause_last_bb->native_offset != hole_end)
- ++num_holes;
- }
- if (num_holes)
- holes_size = sizeof (MonoTryBlockHoleTableJitInfo) + num_holes * sizeof (MonoTryBlockHoleJitInfo);
- if (G_UNLIKELY (cfg->verbose_level >= 4))
- printf ("Number of try block holes %d\n", num_holes);
- }
- if (mono_method_has_declsec (cfg->method_to_register)) {
- cas_size = sizeof (MonoMethodCasInfo);
- }
- if (COMPILE_LLVM (cfg))
- num_clauses = cfg->llvm_ex_info_len;
- else
- num_clauses = header->num_clauses;
- if (cfg->method->dynamic) {
- jinfo = g_malloc0 (MONO_SIZEOF_JIT_INFO + (num_clauses * sizeof (MonoJitExceptionInfo)) +
- generic_info_size + holes_size + arch_eh_info_size + cas_size);
- } else {
- jinfo = mono_domain_alloc0 (cfg->domain, MONO_SIZEOF_JIT_INFO +
- (num_clauses * sizeof (MonoJitExceptionInfo)) +
- generic_info_size + holes_size + arch_eh_info_size + cas_size);
- }
- jinfo->method = cfg->method_to_register;
- jinfo->code_start = cfg->native_code;
- jinfo->code_size = cfg->code_len;
- jinfo->used_regs = cfg->used_int_regs;
- jinfo->domain_neutral = (cfg->opt & MONO_OPT_SHARED) != 0;
- jinfo->num_clauses = num_clauses;
- if (COMPILE_LLVM (cfg))
- jinfo->from_llvm = TRUE;
- if (cfg->generic_sharing_context) {
- MonoInst *inst;
- MonoGenericJitInfo *gi;
- GSList *loclist = NULL;
- jinfo->has_generic_jit_info = 1;
- gi = mono_jit_info_get_generic_jit_info (jinfo);
- g_assert (gi);
- if (cfg->method->dynamic)
- gi->generic_sharing_context = g_new0 (MonoGenericSharingContext, 1);
- else
- gi->generic_sharing_context = mono_domain_alloc0 (cfg->domain, sizeof (MonoGenericSharingContext));
- memcpy (gi->generic_sharing_context, cfg->generic_sharing_context, sizeof (MonoGenericSharingContext));
- if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
- mini_method_get_context (method_to_compile)->method_inst ||
- method_to_compile->klass->valuetype) {
- g_assert (cfg->rgctx_var);
- }
- gi->has_this = 1;
- if ((method_to_compile->flags & METHOD_ATTRIBUTE_STATIC) ||
- mini_method_get_context (method_to_compile)->method_inst ||
- method_to_compile->klass->valuetype) {
- inst = cfg->rgctx_var;
- if (!COMPILE_LLVM (cfg))
- g_assert (inst->opcode == OP_REGOFFSET);
- loclist = cfg->rgctx_loclist;
- } else {
- inst = cfg->args [0];
- loclist = cfg->this_loclist;
- }
- if (loclist) {
- /* Needed to handle async exceptions */
- GSList *l;
- int i;
- gi->nlocs = g_slist_length (loclist);
- if (cfg->method->dynamic)
- gi->locations = g_malloc0 (gi->nlocs * sizeof (MonoDwarfLocListEntry));
- else
- gi->locations = mono_domain_alloc0 (cfg->domain, gi->nlocs * sizeof (MonoDwarfLocListEntry));
- i = 0;
- for (l = loclist; l; l = l->next) {
- memcpy (&(gi->locations [i]), l->data, sizeof (MonoDwarfLocListEntry));
- i ++;
- }
- }
- if (COMPILE_LLVM (cfg)) {
- g_assert (cfg->llvm_this_reg != -1);
- gi->this_in_reg = 0;
- gi->this_reg = cfg->llvm_this_reg;
- gi->this_offset = cfg->llvm_this_offset;
- } else if (inst->opcode == OP_REGVAR) {
- gi->this_in_reg = 1;
- gi->this_reg = inst->dreg;
- } else {
- g_assert (inst->opcode == OP_REGOFFSET);
- #ifdef TARGET_X86
- g_assert (inst->inst_basereg == X86_EBP);
- #elif defined(TARGET_AMD64)
- g_assert (inst->inst_basereg == X86_EBP || inst->inst_basereg == X86_ESP);
- #endif
- g_assert (inst->inst_offset >= G_MININT32 && inst->inst_offset <= G_MAXINT32);
- gi->this_in_reg = 0;
- gi->this_reg = inst->inst_basereg;
- gi->this_offset = inst->inst_offset;
- }
- }
- if (num_holes) {
- MonoTryBlockHoleTableJitInfo *table;
- int i;
- jinfo->has_try_block_holes = 1;
- table = mono_jit_info_get_try_block_hole_table_info (jinfo);
- table->num_holes = (guint16)num_holes;
- i = 0;
- for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
- guint32 start_bb_offset;
- MonoTryBlockHoleJitInfo *hole;
- TryBlockHole *hole_data = tmp->data;
- MonoExceptionClause *ec = hole_data->clause;
- int hole_end = hole_data->basic_block->native_offset + hole_data->basic_block->native_length;
- MonoBasicBlock *clause_last_bb = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
- g_assert (clause_last_bb);
- /* Holes at the end of a try region can be represented by simply reducing the size of the block itself.*/
- if (clause_last_bb->native_offset == hole_end)
- continue;
- start_bb_offset = hole_data->start_offset - hole_data->basic_block->native_offset;
- hole = &table->holes [i++];
- hole->clause = hole_data->clause - &header->clauses [0];
- hole->offset = (guint32)hole_data->start_offset;
- hole->length = (guint16)(hole_data->basic_block->native_length - start_bb_offset);
- if (G_UNLIKELY (cfg->verbose_level >= 4))
- printf ("\tTry block hole at eh clause %d offset %x length %x\n", hole->clause, hole->offset, hole->length);
- }
- g_assert (i == num_holes);
- }
- if (arch_eh_info_size) {
- MonoArchEHJitInfo *info;
- jinfo->has_arch_eh_info = 1;
- info = mono_jit_info_get_arch_eh_info (jinfo);
- info->stack_size = stack_size;
- }
- if (cas_size) {
- jinfo->has_cas_info = 1;
- }
- if (COMPILE_LLVM (cfg)) {
- if (num_clauses)
- memcpy (&jinfo->clauses [0], &cfg->llvm_ex_info [0], num_clauses * sizeof (MonoJitExceptionInfo));
- } else if (header->num_clauses) {
- int i;
- for (i = 0; i < header->num_clauses; i++) {
- MonoExceptionClause *ec = &header->clauses [i];
- MonoJitExceptionInfo *ei = &jinfo->clauses [i];
- MonoBasicBlock *tblock;
- MonoInst *exvar;
- ei->flags = ec->flags;
- exvar = mono_find_exvar_for_offset (cfg, ec->handler_offset);
- ei->exvar_offset = exvar ? exvar->inst_offset : 0;
- if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER) {
- tblock = cfg->cil_offset_to_bb [ec->data.filter_offset];
- g_assert (tblock);
- ei->data.filter = cfg->native_code + tblock->native_offset;
- } else {
- ei->data.catch_class = ec->data.catch_class;
- }
- tblock = cfg->cil_offset_to_bb [ec->try_offset];
- g_assert (tblock);
- g_assert (tblock->native_offset);
- ei->try_start = cfg->native_code + tblock->native_offset;
- if (tblock->extend_try_block) {
- /*
- * Extend the try block backwards to include parts of the previous call
- * instruction.
- */
- ei->try_start = (guint8*)ei->try_start - MONO_ARCH_MONITOR_ENTER_ADJUSTMENT;
- }
- tblock = cfg->cil_offset_to_bb [ec->try_offset + ec->try_len];
- g_assert (tblock);
- if (!tblock->native_offset) {
- int j, end;
- for (j = ec->try_offset + ec->try_len, end = ec->try_offset; j >= end; --j) {
- MonoBasicBlock *bb = cfg->cil_offset_to_bb [j];
- if (bb && bb->native_offset) {
- tblock = bb;
- break;
- }
- }
- }
- ei->try_end = cfg->native_code + tblock->native_offset;
- g_assert (tblock->native_offset);
- tblock = cfg->cil_offset_to_bb [ec->handler_offset];
- g_assert (tblock);
- ei->handler_start = cfg->native_code + tblock->native_offset;
- for (tmp = cfg->try_block_holes; tmp; tmp = tmp->next) {
- TryBlockHole *hole = tmp->data;
- gpointer hole_end = cfg->native_code + (hole->basic_block->native_offset + hole->basic_block->native_length);
- if (hole->clause == ec && hole_end == ei->try_end) {
- if (G_UNLIKELY (cfg->verbose_level >= 4))
- printf ("\tShortening try block %d from %x to %x\n", i, (int)((guint8*)ei->try_end - cfg->native_code), hole->start_offset);
- ei->try_end = cfg->native_code + hole->start_offset;
- break;
- }
- }
- if (ec->flags == MONO_EXCEPTION_CLAUSE_FINALLY) {
- int end_offset;
- if (ec->handler_offset + ec->handler_len < header->code_size) {
- tblock = cfg->cil_offset_to_bb [ec->handler_offset + ec->handler_len];
- g_assert (tblock);
- end_offset = tblock->native_offset;
- } else {
- end_offset = cfg->epilog_begin;
- }
- ei->data.handler_end = cfg->native_code + end_offset;
- }
- }
- }
- if (G_UNLIKELY (cfg->verbose_level >= 4)) {
- int i;
- for (i = 0; i < jinfo->num_clauses; i++) {
- MonoJitExceptionInfo *ei = &jinfo->clauses [i];
- int start = (guint8*)ei->try_start - cfg->native_code;
- int end = (guint8*)ei->try_end - cfg->native_code;
- int handler = (guint8*)ei->handler_start - cfg->native_code;
- printf ("JitInfo EH clause %d flags %x try %x-%x handler %x\n", i, ei->flags, start, end, handler);
- }
- }
- /*
- * Its possible to generate dwarf unwind info for xdebug etc, but not actually
- * using it during runtime, hence the define.
- */
- #ifdef MONO_ARCH_HAVE_XP_UNWIND
- if (cfg->encoded_unwind_ops) {
- jinfo->used_regs = mono_cache_unwind_info (cfg->encoded_unwind_ops, cfg->encoded_unwind_ops_len);
- g_free (cfg->encoded_unwind_ops);
- } else if (cfg->unwind_ops) {
- guint32 info_len;
- guint8 *unwind_info = mono_unwind_ops_encode (cfg->unwind_ops, &info_len);
- jinfo->used_regs = mono_cache_unwind_info (unwind_info, info_len);
- g_free (unwind_info);
- }
- #endif
- return jinfo;
- }
- #endif
- static MonoType*
- get_gsharedvt_type (MonoType *t)
- {
- MonoGenericParam *par = t->data.generic_param;
- MonoType *res;
- /*
- * Create an anonymous gparam with a different serial so normal gshared and gsharedvt methods have
- * a different instantiation.
- */
- g_assert (mono_generic_param_info (par));
- par = g_memdup (par, sizeof (MonoGenericParamFull));
- par->owner = NULL;
- // FIXME:
- par->image = mono_defaults.corlib;
- par->serial = 1;
- res = mono_metadata_type_dup (NULL, t);
- res->data.generic_param = par;
- return res;
- }
- static gboolean
- is_gsharedvt_type (MonoType *t)
- {
- return (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR) && t->data.generic_param->serial == 1;
- }
- /* Return whenever METHOD is a gsharedvt method */
- static gboolean
- is_gsharedvt_method (MonoMethod *method)
- {
- MonoGenericContext *context;
- MonoGenericInst *inst;
- int i;
- if (!method->is_inflated)
- return FALSE;
- context = mono_method_get_context (method);
- inst = context->class_inst;
- if (inst) {
- for (i = 0; i < inst->type_argc; ++i)
- if (is_gsharedvt_type (inst->type_argv [i]))
- return TRUE;
- }
- inst = context->method_inst;
- if (inst) {
- for (i = 0; i < inst->type_argc; ++i)
- if (is_gsharedvt_type (inst->type_argv [i]))
- return TRUE;
- }
- return FALSE;
- }
- static gboolean
- has_ref_constraint (MonoGenericParamInfo *info)
- {
- MonoClass **constraints;
- //return FALSE;
- if (info && info->constraints) {
- constraints = info->constraints;
- while (*constraints) {
- MonoClass *cklass = *constraints;
- if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType")) || MONO_CLASS_IS_INTERFACE (cklass)))
- return TRUE;
- constraints ++;
- }
- }
- return FALSE;
- }
- static MonoGenericInst*
- get_shared_inst (MonoGenericInst *inst, MonoGenericInst *shared_inst, MonoGenericContainer *container, gboolean all_vt, gboolean gsharedvt)
- {
- MonoGenericInst *res;
- MonoType **type_argv;
- int i;
- type_argv = g_new0 (MonoType*, inst->type_argc);
- for (i = 0; i < inst->type_argc; ++i) {
- if (!all_vt && (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)) {
- type_argv [i] = shared_inst->type_argv [i];
- } else if (all_vt) {
- if (container && has_ref_constraint (&container->type_params [i].info))
- type_argv [i] = shared_inst->type_argv [i];
- else
- type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
- } else if (gsharedvt) {
- type_argv [i] = get_gsharedvt_type (shared_inst->type_argv [i]);
- } else {
- type_argv [i] = inst->type_argv [i];
- }
- }
- res = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
- g_free (type_argv);
- return res;
- }
- /*
- * mini_get_shared_method_full:
- *
- * Return the method which is actually compiled/registered when doing generic sharing.
- * If ALL_VT is true, return the shared method belonging to an all-vtype instantiation.
- * If IS_GSHAREDVT is true, treat METHOD as a gsharedvt method even if it fails some constraints.
- * METHOD can be a non-inflated generic method.
- */
- MonoMethod*
- mini_get_shared_method_full (MonoMethod *method, gboolean all_vt, gboolean is_gsharedvt)
- {
- MonoGenericContext shared_context;
- MonoMethod *declaring_method, *res;
- gboolean partial = FALSE;
- gboolean gsharedvt = FALSE;
- MonoGenericContainer *class_container, *method_container = NULL;
- if (method->is_generic || method->klass->generic_container) {
- declaring_method = method;
- } else {
- declaring_method = mono_method_get_declaring_generic_method (method);
- }
- if (declaring_method->is_generic)
- shared_context = mono_method_get_generic_container (declaring_method)->context;
- else
- shared_context = declaring_method->klass->generic_container->context;
- /* Handle gsharedvt/partial sharing */
- if ((method != declaring_method && method->is_inflated && !mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE)) ||
- is_gsharedvt || mini_is_gsharedvt_sharable_method (method)) {
- MonoGenericContext *context = mono_method_get_context (method);
- MonoGenericInst *inst;
- gsharedvt = is_gsharedvt || mini_is_gsharedvt_sharable_method (method);
- class_container = declaring_method->klass->generic_container;
- method_container = mono_method_get_generic_container (declaring_method);
- /*
- * Create the shared context by replacing the ref type arguments with
- * type parameters, and keeping the rest.
- */
- partial = TRUE;
- if (context)
- inst = context->class_inst;
- else
- inst = shared_context.class_inst;
- if (inst)
- shared_context.class_inst = get_shared_inst (inst, shared_context.class_inst, class_container, all_vt, gsharedvt);
- if (context)
- inst = context->method_inst;
- else
- inst = shared_context.method_inst;
- if (inst)
- shared_context.method_inst = get_shared_inst (inst, shared_context.method_inst, method_container, all_vt, gsharedvt);
- }
- res = mono_class_inflate_generic_method (declaring_method, &shared_context);
- if (!partial) {
- /* The result should be an inflated method whose parent is not inflated */
- g_assert (!res->klass->is_inflated);
- }
- return res;
- }
- MonoMethod*
- mini_get_shared_method (MonoMethod *method)
- {
- return mini_get_shared_method_full (method, FALSE, FALSE);
- }
- void
- mini_init_gsctx (MonoGenericContext *context, MonoGenericSharingContext *gsctx)
- {
- MonoGenericInst *inst;
- int i;
- memset (gsctx, 0, sizeof (MonoGenericSharingContext));
- if (context->class_inst) {
- inst = context->class_inst;
- gsctx->var_is_vt = g_new0 (gboolean, inst->type_argc);
- for (i = 0; i < inst->type_argc; ++i) {
- MonoType *type = inst->type_argv [i];
- if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
- gsctx->var_is_vt [i] = TRUE;
- }
- }
- if (context->method_inst) {
- inst = context->method_inst;
- gsctx->mvar_is_vt = g_new0 (gboolean, inst->type_argc);
- for (i = 0; i < inst->type_argc; ++i) {
- MonoType *type = inst->type_argv [i];
- if ((type->type == MONO_TYPE_VAR || type->type == MONO_TYPE_MVAR) && type->data.generic_param->serial == 1)
- gsctx->mvar_is_vt [i] = TRUE;
- }
- }
- }
- #ifndef DISABLE_JIT
- /*
- * mini_method_compile:
- * @method: the method to compile
- * @opts: the optimization flags to use
- * @domain: the domain where the method will be compiled in
- * @run_cctors: whether we should run type ctors if possible
- * @compile_aot: whether this is an AOT compilation
- * @parts: debug flag
- *
- * Returns: a MonoCompile* pointer. Caller must check the exception_type
- * field in the returned struct to see if compilation succeded.
- */
- MonoCompile*
- mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
- {
- MonoMethodHeader *header;
- MonoMethodSignature *sig;
- MonoError err;
- guint8 *ip;
- MonoCompile *cfg;
- int dfn, i, code_size_ratio;
- gboolean deadce_has_run = FALSE;
- gboolean try_generic_shared, try_llvm = FALSE;
- MonoMethod *method_to_compile, *method_to_register;
- gboolean method_is_gshared = FALSE;
- InterlockedIncrement (&mono_jit_stats.methods_compiled);
- if (mono_profiler_get_events () & MONO_PROFILE_JIT_COMPILATION)
- mono_profiler_method_jit (method);
- if (MONO_METHOD_COMPILE_BEGIN_ENABLED ())
- MONO_PROBE_METHOD_COMPILE_BEGIN (method);
- if (compile_aot)
- /*
- * We might get passed the original generic method definition or
- * instances with type parameters.
- * FIXME: Remove the method->klass->generic_class limitation.
- */
- try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
- (opts & MONO_OPT_GSHARED) && ((method->is_generic || method->klass->generic_container) || (!method->klass->generic_class && mono_method_is_generic_sharable_impl_full (method, TRUE, FALSE, FALSE)));
- else
- try_generic_shared = mono_class_generic_sharing_enabled (method->klass) &&
- (opts & MONO_OPT_GSHARED) && mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE);
- if (opts & MONO_OPT_GSHARED) {
- if (try_generic_shared)
- mono_stats.generics_sharable_methods++;
- else if (mono_method_is_generic_impl (method))
- mono_stats.generics_unsharable_methods++;
- }
- if (mini_is_gsharedvt_sharable_method (method)) {
- if (!mono_debug_count ())
- try_generic_shared = FALSE;
- if (compile_aot)
- try_generic_shared = FALSE;
- }
- if (is_gsharedvt_method (method)) {
- /* We are AOTing a gshared method directly */
- method_is_gshared = TRUE;
- g_assert (compile_aot);
- try_generic_shared = TRUE;
- }
- #ifdef ENABLE_LLVM
- try_llvm = mono_use_llvm;
- #endif
- restart_compile:
- if (method_is_gshared) {
- method_to_compile = method;
- } else {
- if (try_generic_shared) {
- method_to_compile = mini_get_shared_method (method);
- g_assert (method_to_compile);
- } else {
- method_to_compile = method;
- }
- }
- cfg = g_new0 (MonoCompile, 1);
- cfg->method = method_to_compile;
- cfg->header = mono_method_get_header (cfg->method);
- cfg->mempool = mono_mempool_new ();
- cfg->opt = opts;
- cfg->prof_options = mono_profiler_get_events ();
- cfg->run_cctors = run_cctors;
- cfg->domain = domain;
- cfg->verbose_level = mini_verbose;
- cfg->compile_aot = compile_aot;
- cfg->skip_visibility = method->skip_visibility;
- cfg->orig_method = method;
- cfg->gen_seq_points = debug_options.gen_seq_points;
- cfg->explicit_null_checks = debug_options.explicit_null_checks;
- cfg->soft_breakpoints = debug_options.soft_breakpoints;
- if (try_generic_shared)
- cfg->generic_sharing_context = (MonoGenericSharingContext*)&cfg->gsctx;
- cfg->compile_llvm = try_llvm;
- cfg->token_info_hash = g_hash_table_new (NULL, NULL);
- if (cfg->gen_seq_points)
- cfg->seq_points = g_ptr_array_new ();
- if (cfg->compile_aot && !try_generic_shared && (method->is_generic || method->klass->generic_container || method_is_gshared)) {
- cfg->exception_type = MONO_EXCEPTION_GENERIC_SHARING_FAILED;
- return cfg;
- }
- if (cfg->generic_sharing_context && (mini_is_gsharedvt_sharable_method (method) || method_is_gshared)) {
- MonoMethodInflated *inflated;
- MonoGenericContext *context;
- // FIXME: Free the contents of gsctx if compilation fails
- if (method_is_gshared) {
- g_assert (method->is_inflated);
- inflated = (MonoMethodInflated*)method;
- context = &inflated->context;
- /* We are compiling a gsharedvt method directly */
- g_assert (compile_aot);
- } else {
- g_assert (method_to_compile->is_inflated);
- inflated = (MonoMethodInflated*)method_to_compile;
- context = &inflated->context;
- }
- mini_init_gsctx (context, &cfg->gsctx);
- cfg->gsharedvt = TRUE;
- // FIXME:
- cfg->disable_llvm = TRUE;
- }
- if (cfg->generic_sharing_context) {
- method_to_register = method_to_compile;
- } else {
- g_assert (method == method_to_compile);
- method_to_register = method;
- }
- cfg->method_to_register = method_to_register;
- mono_error_init (&err);
- sig = mono_method_signature_checked (cfg->method, &err);
- if (!sig) {
- cfg->exception_type = MONO_EXCEPTION_TYPE_LOAD;
- cfg->exception_message = g_strdup (mono_error_get_message (&err));
- mono_error_cleanup (&err);
- if (MONO_METHOD_COMPILE_END_ENABLED ())
- MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
- return cfg;
- }
- header = cfg->header;
- if (!header) {
- MonoLoaderError *error;
- if ((error = mono_loader_get_last_error ())) {
- cfg->exception_type = error->exception_type;
- } else {
- cfg->exception_type = MONO_EXCEPTION_INVALID_PROGRAM;
- cfg->exception_message = g_strdup_printf ("Missing or incorrect header for method %s", cfg->method->name);
- }
- if (MONO_METHOD_COMPILE_END_ENABLED ())
- MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
- return cfg;
- }
- #ifdef ENABLE_LLVM
- {
- static gboolean inited;
- if (!inited) {
- inited = TRUE;
- }
- /*
- * Check for methods which cannot be compiled by LLVM early, to avoid
- * the extra compilation pass.
- */
- if (COMPILE_LLVM (cfg)) {
- mono_llvm_check_method_supported (cfg);
- if (cfg->disable_llvm) {
- if (cfg->verbose_level >= 1) {
- //nm = mono_method_full_name (cfg->method, TRUE);
- printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
- //g_free (nm);
- }
- mono_destroy_compile (cfg);
- try_llvm = FALSE;
- goto restart_compile;
- }
- }
- }
- #endif
- /* The debugger has no liveness information, so avoid sharing registers/stack slots */
- if (mono_debug_using_mono_debugger () || debug_options.mdb_optimizations) {
- cfg->disable_reuse_registers = TRUE;
- cfg->disable_reuse_stack_slots = TRUE;
- /*
- * This decreases the change the debugger will read registers/stack slots which are
- * not yet initialized.
- */
- cfg->disable_initlocals_opt = TRUE;
- cfg->extend_live_ranges = TRUE;
- /* Temporarily disable this when running in the debugger until we have support
- * for this in the debugger. */
- /* This is no longer needed with sdb */
- //cfg->disable_omit_fp = TRUE;
- /* The debugger needs all locals to be on the stack or in a global register */
- cfg->disable_vreg_to_lvreg = TRUE;
- /* Don't remove unused variables when running inside the debugger since the user
- * may still want to view them. */
- cfg->disable_deadce_vars = TRUE;
- // cfg->opt |= MONO_OPT_SHARED;
- cfg->opt &= ~MONO_OPT_DEADCE;
- cfg->opt &= ~MONO_OPT_INLINE;
- cfg->opt &= ~MONO_OPT_COPYPROP;
- cfg->opt &= ~MONO_OPT_CONSPROP;
- /* This is no longer needed with sdb */
- //cfg->opt &= ~MONO_OPT_GSHARED;
- /* This is needed for the soft debugger, which doesn't like code after the epilog */
- cfg->disable_out_of_line_bblocks = TRUE;
- }
- if (mono_using_xdebug) {
- /*
- * Make each variable use its own register/stack slot and extend
- * their liveness to cover the whole method, making them displayable
- * in gdb even after they are dead.
- */
- cfg->disable_reuse_registers = TRUE;
- cfg->disable_reuse_stack_slots = TRUE;
- cfg->extend_live_ranges = TRUE;
- cfg->compute_precise_live_ranges = TRUE;
- }
- mini_gc_init_cfg (cfg);
- if (COMPILE_LLVM (cfg)) {
- cfg->opt |= MONO_OPT_ABCREM;
- }
- if (getenv ("MONO_VERBOSE_METHOD")) {
- char *name = getenv ("MONO_VERBOSE_METHOD");
- if ((strchr (name, '.') > name) || strchr (name, ':')) {
- MonoMethodDesc *desc;
-
- desc = mono_method_desc_new (name, TRUE);
- if (mono_method_desc_full_match (desc, cfg->method)) {
- cfg->verbose_level = 4;
- }
- mono_method_desc_free (desc);
- } else {
- if (strcmp (cfg->method->name, getenv ("MONO_VERBOSE_METHOD")) == 0)
- cfg->verbose_level = 4;
- }
- }
- ip = (guint8 *)header->code;
- cfg->intvars = mono_mempool_alloc0 (cfg->mempool, sizeof (guint16) * STACK_MAX * header->max_stack);
- if (cfg->verbose_level > 0) {
- char *method_name;
- method_name = mono_method_full_name (method, TRUE);
- g_print ("converting %s%s%smethod %s\n", COMPILE_LLVM (cfg) ? "llvm " : "", cfg->gsharedvt ? "gsharedvt " : "", (cfg->generic_sharing_context && !cfg->gsharedvt) ? "gshared " : "", method_name);
- /*
- if (COMPILE_LLVM (cfg))
- g_print ("converting llvm method %s\n", method_name = mono_method_full_name (method, TRUE));
- else if (cfg->gsharedvt)
- g_print ("converting gsharedvt method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
- else if (cfg->generic_sharing_context)
- g_print ("converting shared method %s\n", method_name = mono_method_full_name (method_to_compile, TRUE));
- else
- g_print ("converting method %s\n", method_name = mono_method_full_name (method, TRUE));
- */
- g_free (method_name);
- }
- if (cfg->opt & (MONO_OPT_ABCREM | MONO_OPT_SSAPRE))
- cfg->opt |= MONO_OPT_SSA;
- /*
- if ((cfg->method->klass->image != mono_defaults.corlib) || (strstr (cfg->method->klass->name, "StackOverflowException") && strstr (cfg->method->name, ".ctor")) || (strstr (cfg->method->klass->name, "OutOfMemoryException") && strstr (cfg->method->name, ".ctor")))
- cfg->globalra = TRUE;
- */
- //cfg->globalra = TRUE;
- //if (!strcmp (cfg->method->klass->name, "Tests") && !cfg->method->wrapper_type)
- // cfg->globalra = TRUE;
- {
- static int count = 0;
- count ++;
- /*
- if (getenv ("COUNT2")) {
- cfg->globalra = TRUE;
- if (count == atoi (getenv ("COUNT2")))
- printf ("LAST: %s\n", mono_method_full_name (cfg->method, TRUE));
- if (count > atoi (getenv ("COUNT2")))
- cfg->globalra = FALSE;
- }
- */
- }
- if (header->clauses)
- cfg->globalra = FALSE;
- if (cfg->method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED)
- /* The code in the prolog clobbers caller saved registers */
- cfg->globalra = FALSE;
- // FIXME: Disable globalra in case of tracing/profiling
- if (cfg->method->save_lmf)
- /* The LMF saving code might clobber caller saved registers */
- cfg->globalra = FALSE;
- if (header->code_size > 5000)
- // FIXME:
- /* Too large bblocks could overflow the ins positions */
- cfg->globalra = FALSE;
- cfg->rs = mono_regstate_new ();
- if (cfg->globalra)
- cfg->rs->next_vreg = MONO_MAX_IREGS + MONO_MAX_FREGS;
- cfg->next_vreg = cfg->rs->next_vreg;
- /* FIXME: Fix SSA to handle branches inside bblocks */
- if (cfg->opt & MONO_OPT_SSA)
- cfg->enable_extended_bblocks = FALSE;
- /*
- * FIXME: This confuses liveness analysis because variables which are assigned after
- * a branch inside a bblock become part of the kill set, even though the assignment
- * might not get executed. This causes the optimize_initlocals pass to delete some
- * assignments which are needed.
- * Also, the mono_if_conversion pass needs to be modified to recognize the code
- * created by this.
- */
- //cfg->enable_extended_bblocks = TRUE;
- /*We must verify the method before doing any IR generation as mono_compile_create_vars can assert.*/
- if (mono_compile_is_broken (cfg, cfg->method, TRUE)) {
- if (mini_get_debug_options ()->break_on_unverified)
- G_BREAKPOINT ();
- return cfg;
- }
- /*
- * create MonoInst* which represents arguments and local variables
- */
- mono_compile_create_vars (cfg);
- /* SSAPRE is not supported on linear IR */
- cfg->opt &= ~MONO_OPT_SSAPRE;
- i = mono_method_to_ir (cfg, method_to_compile, NULL, NULL, NULL, NULL, NULL, 0, FALSE);
- if (i < 0) {
- if (try_generic_shared && cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
- if (compile_aot) {
- if (MONO_METHOD_COMPILE_END_ENABLED ())
- MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
- return cfg;
- }
- mono_destroy_compile (cfg);
- try_generic_shared = FALSE;
- goto restart_compile;
- }
- g_assert (cfg->exception_type != MONO_EXCEPTION_GENERIC_SHARING_FAILED);
- if (MONO_METHOD_COMPILE_END_ENABLED ())
- MONO_PROBE_METHOD_COMPILE_END (method, FALSE);
- /* cfg contains the details of the failure, so let the caller cleanup */
- return cfg;
- }
- cfg->stat_basic_blocks += cfg->num_bblocks;
- if (COMPILE_LLVM (cfg)) {
- MonoInst *ins;
- /* The IR has to be in SSA form for LLVM */
- cfg->opt |= MONO_OPT_SSA;
- // FIXME:
- if (cfg->ret) {
- // Allow SSA on the result value
- cfg->ret->flags &= ~MONO_INST_VOLATILE;
- // Add an explicit return instruction referencing the return value
- MONO_INST_NEW (cfg, ins, OP_SETRET);
- ins->sreg1 = cfg->ret->dreg;
- MONO_ADD_INS (cfg->bb_exit, ins);
- }
- cfg->opt &= ~MONO_OPT_LINEARS;
- /* FIXME: */
- cfg->opt &= ~MONO_OPT_BRANCH;
- }
- /* todo: remove code when we have verified that the liveness for try/catch blocks
- * works perfectly
- */
- /*
- * Currently, this can't be commented out since exception blocks are not
- * processed during liveness analysis.
- * It is also needed, because otherwise the local optimization passes would
- * delete assignments in cases like this:
- * r1 <- 1
- * <something which throws>
- * r1 <- 2
- * This also allows SSA to be run on methods containing exception clauses, since
- * SSA will ignore variables marked VOLATILE.
- */
- mono_liveness_handle_exception_clauses (cfg);
- mono_handle_out_of_line_bblock (cfg);
- /*g_print ("numblocks = %d\n", cfg->num_bblocks);*/
- if (!COMPILE_LLVM (cfg))
- mono_decompose_long_opts (cfg);
- /* Should be done before branch opts */
- if (cfg->opt & (MONO_OPT_CONSPROP | MONO_OPT_COPYPROP))
- mono_local_cprop (cfg);
- if (cfg->opt & MONO_OPT_BRANCH)
- mono_optimize_branches (cfg);
- /* This must be done _before_ global reg alloc and _after_ decompose */
- mono_handle_global_vregs (cfg);
- if (cfg->opt & MONO_OPT_DEADCE)
- mono_local_deadce (cfg);
- /* Disable this for LLVM to make the IR easier to handle */
- if (!COMPILE_LLVM (cfg))
- mono_if_conversion (cfg);
- if ((cfg->opt & MONO_OPT_SSAPRE) || cfg->globalra)
- mono_remove_critical_edges (cfg);
- /* Depth-first ordering on basic blocks */
- cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
- cfg->max_block_num = cfg->num_bblocks;
- dfn = 0;
- df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
- if (cfg->num_bblocks != dfn + 1) {
- MonoBasicBlock *bb;
- cfg->num_bblocks = dfn + 1;
- /* remove unreachable code, because the code in them may be
- * inconsistent (access to dead variables for example) */
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
- bb->flags &= ~BB_VISITED;
- compute_reachable (cfg->bb_entry);
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
- if (bb->flags & BB_EXCEPTION_HANDLER)
- compute_reachable (bb);
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
- if (!(bb->flags & BB_VISITED)) {
- if (cfg->verbose_level > 1)
- g_print ("found unreachable code in BB%d\n", bb->block_num);
- bb->code = bb->last_ins = NULL;
- while (bb->out_count)
- mono_unlink_bblock (cfg, bb, bb->out_bb [0]);
- }
- }
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
- bb->flags &= ~BB_VISITED;
- }
- if (((cfg->num_varinfo > 2000) || (cfg->num_bblocks > 1000)) && !cfg->compile_aot) {
- /*
- * we disable some optimizations if there are too many variables
- * because JIT time may become too expensive. The actual number needs
- * to be tweaked and eventually the non-linear algorithms should be fixed.
- */
- cfg->opt &= ~ (MONO_OPT_LINEARS | MONO_OPT_COPYPROP | MONO_OPT_CONSPROP);
- cfg->disable_ssa = TRUE;
- }
- if (cfg->opt & MONO_OPT_LOOP) {
- mono_compile_dominator_info (cfg, MONO_COMP_DOM | MONO_COMP_IDOM);
- mono_compute_natural_loops (cfg);
- }
- /* after method_to_ir */
- if (parts == 1) {
- if (MONO_METHOD_COMPILE_END_ENABLED ())
- MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
- return cfg;
- }
- /*
- if (header->num_clauses)
- cfg->disable_ssa = TRUE;
- */
- //#define DEBUGSSA "logic_run"
- #define DEBUGSSA_CLASS "Tests"
- #ifdef DEBUGSSA
- if (!cfg->disable_ssa) {
- mono_local_cprop (cfg);
- #ifndef DISABLE_SSA
- mono_ssa_compute (cfg);
- #endif
- }
- #else
- if (cfg->opt & MONO_OPT_SSA) {
- if (!(cfg->comp_done & MONO_COMP_SSA) && !cfg->disable_ssa) {
- #ifndef DISABLE_SSA
- mono_ssa_compute (cfg);
- #endif
- if (cfg->verbose_level >= 2) {
- print_dfn (cfg);
- }
- }
- }
- #endif
- /* after SSA translation */
- if (parts == 2) {
- if (MONO_METHOD_COMPILE_END_ENABLED ())
- MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
- return cfg;
- }
- if ((cfg->opt & MONO_OPT_CONSPROP) || (cfg->opt & MONO_OPT_COPYPROP)) {
- if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
- #ifndef DISABLE_SSA
- mono_ssa_cprop (cfg);
- #endif
- }
- }
- #ifndef DISABLE_SSA
- if (cfg->comp_done & MONO_COMP_SSA && !COMPILE_LLVM (cfg)) {
- //mono_ssa_strength_reduction (cfg);
- if (cfg->opt & MONO_OPT_SSAPRE) {
- mono_perform_ssapre (cfg);
- //mono_local_cprop (cfg);
- }
- if (cfg->opt & MONO_OPT_DEADCE) {
- mono_ssa_deadce (cfg);
- deadce_has_run = TRUE;
- }
- if ((cfg->flags & (MONO_CFG_HAS_LDELEMA|MONO_CFG_HAS_CHECK_THIS)) && (cfg->opt & MONO_OPT_ABCREM))
- mono_perform_abc_removal (cfg);
- mono_ssa_remove (cfg);
- mono_local_cprop (cfg);
- mono_handle_global_vregs (cfg);
- if (cfg->opt & MONO_OPT_DEADCE)
- mono_local_deadce (cfg);
- if (cfg->opt & MONO_OPT_BRANCH) {
- MonoBasicBlock *bb;
- mono_optimize_branches (cfg);
- /* Have to recompute cfg->bblocks and bb->dfn */
- if (cfg->globalra) {
- mono_remove_critical_edges (cfg);
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
- bb->dfn = 0;
- /* Depth-first ordering on basic blocks */
- cfg->bblocks = mono_mempool_alloc (cfg->mempool, sizeof (MonoBasicBlock*) * (cfg->num_bblocks + 1));
- dfn = 0;
- df_visit (cfg->bb_entry, &dfn, cfg->bblocks);
- cfg->num_bblocks = dfn + 1;
- }
- }
- }
- #endif
- if (cfg->comp_done & MONO_COMP_SSA && COMPILE_LLVM (cfg)) {
- /* This removes MONO_INST_FAULT flags too so perform it unconditionally */
- if (cfg->opt & MONO_OPT_ABCREM)
- mono_perform_abc_removal (cfg);
- }
- /* after SSA removal */
- if (parts == 3) {
- if (MONO_METHOD_COMPILE_END_ENABLED ())
- MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
- return cfg;
- }
- #ifdef MONO_ARCH_SOFT_FLOAT
- if (!COMPILE_LLVM (cfg))
- mono_decompose_soft_float (cfg);
- #endif
- if (!COMPILE_LLVM (cfg))
- mono_decompose_vtype_opts (cfg);
- if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
- mono_decompose_array_access_opts (cfg);
- if (cfg->got_var) {
- #ifndef MONO_ARCH_GOT_REG
- GList *regs;
- #endif
- int got_reg;
- g_assert (cfg->got_var_allocated);
- /*
- * Allways allocate the GOT var to a register, because keeping it
- * in memory will increase the number of live temporaries in some
- * code created by inssel.brg, leading to the well known spills+
- * branches problem. Testcase: mcs crash in
- * System.MonoCustomAttrs:GetCustomAttributes.
- */
- #ifdef MONO_ARCH_GOT_REG
- got_reg = MONO_ARCH_GOT_REG;
- #else
- regs = mono_arch_get_global_int_regs (cfg);
- g_assert (regs);
- got_reg = GPOINTER_TO_INT (regs->data);
- g_list_free (regs);
- #endif
- cfg->got_var->opcode = OP_REGVAR;
- cfg->got_var->dreg = got_reg;
- cfg->used_int_regs |= 1LL << cfg->got_var->dreg;
- }
- /*
- * Have to call this again to process variables added since the first call.
- */
- mono_liveness_handle_exception_clauses (cfg);
- if (cfg->globalra) {
- MonoBasicBlock *bb;
- /* Have to do this before regalloc since it can create vregs */
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb)
- mono_arch_lowering_pass (cfg, bb);
- mono_global_regalloc (cfg);
- }
- if ((cfg->opt & MONO_OPT_LINEARS) && !cfg->globalra) {
- GList *vars, *regs, *l;
-
- /* fixme: maybe we can avoid to compute livenesss here if already computed ? */
- cfg->comp_done &= ~MONO_COMP_LIVENESS;
- if (!(cfg->comp_done & MONO_COMP_LIVENESS))
- mono_analyze_liveness (cfg);
- if ((vars = mono_arch_get_allocatable_int_vars (cfg))) {
- regs = mono_arch_get_global_int_regs (cfg);
- /* Remove the reg reserved for holding the GOT address */
- if (cfg->got_var) {
- for (l = regs; l; l = l->next) {
- if (GPOINTER_TO_UINT (l->data) == cfg->got_var->dreg) {
- regs = g_list_delete_link (regs, l);
- break;
- }
- }
- }
- mono_linear_scan (cfg, vars, regs, &cfg->used_int_regs);
- }
- }
- //mono_print_code (cfg, "");
- //print_dfn (cfg);
-
- /* variables are allocated after decompose, since decompose could create temps */
- if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
- mono_arch_allocate_vars (cfg);
- if (cfg->exception_type)
- return cfg;
- }
- {
- MonoBasicBlock *bb;
- gboolean need_local_opts;
- if (!cfg->globalra && !COMPILE_LLVM (cfg)) {
- mono_spill_global_vars (cfg, &need_local_opts);
- if (need_local_opts || cfg->compile_aot) {
- /* To optimize code created by spill_global_vars */
- mono_local_cprop (cfg);
- if (cfg->opt & MONO_OPT_DEADCE)
- mono_local_deadce (cfg);
- }
- }
- /* Add branches between non-consecutive bblocks */
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
- if (bb->last_ins && MONO_IS_COND_BRANCH_OP (bb->last_ins) &&
- bb->last_ins->inst_false_bb && bb->next_bb != bb->last_ins->inst_false_bb) {
- /* we are careful when inverting, since bugs like #59580
- * could show up when dealing with NaNs.
- */
- if (MONO_IS_COND_BRANCH_NOFP(bb->last_ins) && bb->next_bb == bb->last_ins->inst_true_bb) {
- MonoBasicBlock *tmp = bb->last_ins->inst_true_bb;
- bb->last_ins->inst_true_bb = bb->last_ins->inst_false_bb;
- bb->last_ins->inst_false_bb = tmp;
- bb->last_ins->opcode = mono_reverse_branch_op (bb->last_ins->opcode);
- } else {
- MonoInst *inst = mono_mempool_alloc0 (cfg->mempool, sizeof (MonoInst));
- inst->opcode = OP_BR;
- inst->inst_target_bb = bb->last_ins->inst_false_bb;
- mono_bblock_add_inst (bb, inst);
- }
- }
- }
- if (cfg->verbose_level >= 4 && !cfg->globalra) {
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
- MonoInst *tree = bb->code;
- g_print ("DUMP BLOCK %d:\n", bb->block_num);
- if (!tree)
- continue;
- for (; tree; tree = tree->next) {
- mono_print_ins_index (-1, tree);
- }
- }
- }
- /* FIXME: */
- for (bb = cfg->bb_entry; bb; bb = bb->next_bb) {
- bb->max_vreg = cfg->next_vreg;
- }
- }
- if (COMPILE_LLVM (cfg)) {
- #ifdef ENABLE_LLVM
- char *nm;
- /* The IR has to be in SSA form for LLVM */
- if (!(cfg->comp_done & MONO_COMP_SSA)) {
- cfg->exception_message = g_strdup ("SSA disabled.");
- cfg->disable_llvm = TRUE;
- }
- if (cfg->flags & MONO_CFG_HAS_ARRAY_ACCESS)
- mono_decompose_array_access_opts (cfg);
- if (!cfg->disable_llvm)
- mono_llvm_emit_method (cfg);
- if (cfg->disable_llvm) {
- if (cfg->verbose_level >= 1) {
- //nm = mono_method_full_name (cfg->method, TRUE);
- printf ("LLVM failed for '%s': %s\n", method->name, cfg->exception_message);
- //g_free (nm);
- }
- mono_destroy_compile (cfg);
- try_llvm = FALSE;
- goto restart_compile;
- }
- if (cfg->verbose_level > 0 && !cfg->compile_aot) {
- nm = mono_method_full_name (cfg->method, TRUE);
- g_print ("LLVM Method %s emitted at %p to %p (code length %d) [%s]\n",
- nm,
- cfg->native_code, cfg->native_code + cfg->code_len, cfg->code_len, cfg->domain->friendly_name);
- g_free (nm);
- }
- #endif
- } else {
- mono_codegen (cfg);
- }
- if (COMPILE_LLVM (cfg))
- InterlockedIncrement (&mono_jit_stats.methods_with_llvm);
- else
- InterlockedIncrement (&mono_jit_stats.methods_without_llvm);
- cfg->jit_info = create_jit_info (cfg, method_to_compile);
- #ifdef MONO_ARCH_HAVE_LIVERANGE_OPS
- if (cfg->extend_live_ranges) {
- /* Extend live ranges to cover the whole method */
- for (i = 0; i < cfg->num_varinfo; ++i)
- MONO_VARINFO (cfg, i)->live_range_end = cfg->code_len;
- }
- #endif
- if (!cfg->compile_aot)
- mono_save_xdebug_info (cfg);
- mini_gc_create_gc_map (cfg);
-
- mono_save_seq_point_info (cfg);
- if (cfg->verbose_level >= 2) {
- char *id = mono_method_full_name (cfg->method, FALSE);
- mono_disassemble_code (cfg, cfg->native_code, cfg->code_len, id + 3);
- g_free (id);
- }
- if (!cfg->compile_aot) {
- mono_domain_lock (cfg->domain);
- mono_jit_info_table_add (cfg->domain, cfg->jit_info);
- if (cfg->method->dynamic)
- mono_dynamic_code_hash_lookup (cfg->domain, cfg->method)->ji = cfg->jit_info;
- mono_domain_unlock (cfg->domain);
- }
- #if 0
- if (cfg->gsharedvt)
- printf ("GSHAREDVT: %s\n", mono_method_full_name (cfg->method, TRUE));
- #endif
- /* collect statistics */
- #ifndef DISABLE_PERFCOUNTERS
- mono_perfcounters->jit_methods++;
- mono_perfcounters->jit_bytes += header->code_size;
- #endif
- mono_jit_stats.allocated_code_size += cfg->code_len;
- code_size_ratio = cfg->code_len;
- if (code_size_ratio > mono_jit_stats.biggest_method_size && mono_jit_stats.enabled) {
- mono_jit_stats.biggest_method_size = code_size_ratio;
- g_free (mono_jit_stats.biggest_method);
- mono_jit_stats.biggest_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
- }
- code_size_ratio = (code_size_ratio * 100) / header->code_size;
- if (code_size_ratio > mono_jit_stats.max_code_size_ratio && mono_jit_stats.enabled) {
- mono_jit_stats.max_code_size_ratio = code_size_ratio;
- g_free (mono_jit_stats.max_ratio_method);
- mono_jit_stats.max_ratio_method = g_strdup_printf ("%s::%s)", method->klass->name, method->name);
- }
- mono_jit_stats.native_code_size += cfg->code_len;
- if (MONO_METHOD_COMPILE_END_ENABLED ())
- MONO_PROBE_METHOD_COMPILE_END (method, TRUE);
- return cfg;
- }
- #else
- MonoCompile*
- mini_method_compile (MonoMethod *method, guint32 opts, MonoDomain *domain, gboolean run_cctors, gboolean compile_aot, int parts)
- {
- g_assert_not_reached ();
- return NULL;
- }
- #endif /* DISABLE_JIT */
- MonoJitInfo*
- mono_domain_lookup_shared_generic (MonoDomain *domain, MonoMethod *method)
- {
- static gboolean inited = FALSE;
- static int lookups = 0;
- static int failed_lookups = 0;
- MonoJitInfo *ji;
- ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, mini_get_shared_method (method));
- if (ji && !ji->has_generic_jit_info)
- ji = NULL;
- if (!inited) {
- mono_counters_register ("Shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &lookups);
- mono_counters_register ("Failed shared generic lookups", MONO_COUNTER_INT|MONO_COUNTER_GENERICS, &failed_lookups);
- inited = TRUE;
- }
- ++lookups;
- if (!ji)
- ++failed_lookups;
- return ji;
- }
- /*
- * LOCKING: Assumes domain->jit_code_hash_lock is held.
- */
- static MonoJitInfo*
- lookup_method_inner (MonoDomain *domain, MonoMethod *method)
- {
- MonoJitInfo *ji = mono_internal_hash_table_lookup (&domain->jit_code_hash, method);
- if (ji)
- return ji;
- if (!mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE))
- return NULL;
- return mono_domain_lookup_shared_generic (domain, method);
- }
- static MonoJitInfo*
- lookup_method (MonoDomain *domain, MonoMethod *method)
- {
- MonoJitInfo *info;
- mono_loader_lock (); /*FIXME lookup_method_inner acquired it*/
- mono_domain_jit_code_hash_lock (domain);
- info = lookup_method_inner (domain, method);
- mono_domain_jit_code_hash_unlock (domain);
- mono_loader_unlock ();
- return info;
- }
- #if ENABLE_JIT_MAP
- static FILE* perf_map_file = NULL;
- void
- mono_enable_jit_map (void)
- {
- if (!perf_map_file) {
- char name [64];
- g_snprintf (name, sizeof (name), "/tmp/perf-%d.map", getpid ());
- unlink (name);
- perf_map_file = fopen (name, "w");
- }
- }
- void
- mono_emit_jit_tramp (void *start, int size, const char *desc)
- {
- if (perf_map_file)
- fprintf (perf_map_file, "%llx %x %s\n", (long long unsigned int)(gsize)start, size, desc);
- }
- void
- mono_emit_jit_map (MonoJitInfo *jinfo)
- {
- if (perf_map_file) {
- char *name = mono_method_full_name (jinfo->method, TRUE);
- mono_emit_jit_tramp (jinfo->code_start, jinfo->code_size, name);
- g_free (name);
- }
- }
- gboolean
- mono_jit_map_is_enabled (void)
- {
- return perf_map_file != NULL;
- }
- #endif
- static gpointer
- mono_jit_compile_method_inner (MonoMethod *method, MonoDomain *target_domain, int opt, MonoException **jit_ex)
- {
- MonoCompile *cfg;
- gpointer code = NULL;
- MonoJitInfo *jinfo, *info;
- MonoVTable *vtable;
- MonoException *ex = NULL;
- guint32 prof_options;
- GTimer *jit_timer;
- MonoMethod *prof_method;
- #ifdef MONO_USE_AOT_COMPILER
- if (opt & MONO_OPT_AOT) {
- MonoDomain *domain = mono_domain_get ();
- mono_class_init (method->klass);
- if ((code = mono_aot_get_method (domain, method))) {
- vtable = mono_class_vtable (domain, method->klass);
- g_assert (vtable);
- mono_runtime_class_init (vtable);
- return code;
- }
- }
- #endif
- if ((method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
- (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
- MonoMethod *nm;
- MonoMethodPInvoke* piinfo = (MonoMethodPInvoke *) method;
- if (!piinfo->addr) {
- if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
- piinfo->addr = mono_lookup_internal_call (method);
- else if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
- #ifdef HOST_WIN32
- g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono in modules loaded from byte arrays. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
- #else
- g_warning ("Method '%s' in assembly '%s' contains native code that cannot be executed by Mono on this platform. The assembly was probably created using C++/CLI.\n", mono_method_full_name (method, TRUE), method->klass->image->name);
- #endif
- else
- mono_lookup_pinvoke_call (method, NULL, NULL);
- }
- nm = mono_marshal_get_native_wrapper (method, check_for_pending_exc, FALSE);
- code = mono_get_addr_from_ftnptr (mono_compile_method (nm));
- jinfo = mono_jit_info_table_find (target_domain, code);
- if (!jinfo)
- jinfo = mono_jit_info_table_find (mono_domain_get (), code);
- if (jinfo)
- mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
- return code;
- //if (mono_debug_format != MONO_DEBUG_FORMAT_NONE)
- //mono_debug_add_wrapper (method, nm);
- } else if ((method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
- const char *name = method->name;
- char *full_name, *msg;
- MonoMethod *nm;
- if (method->klass->parent == mono_defaults.multicastdelegate_class) {
- if (*name == '.' && (strcmp (name, ".ctor") == 0)) {
- MonoJitICallInfo *mi = mono_find_jit_icall_by_name ("mono_delegate_ctor");
- g_assert (mi);
- /*
- * We need to make sure this wrapper
- * is compiled because it might end up
- * in an (M)RGCTX if generic sharing
- * is enabled, and would be called
- * indirectly. If it were a
- * trampoline we'd try to patch that
- * indirect call, which is not
- * possible.
- */
- return mono_get_addr_from_ftnptr ((gpointer)mono_icall_get_wrapper_full (mi, TRUE));
- } else if (*name == 'I' && (strcmp (name, "Invoke") == 0)) {
- #ifdef MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE
- return mono_create_delegate_trampoline (target_domain, method->klass);
- #else
- nm = mono_marshal_get_delegate_invoke (method, NULL);
- return mono_get_addr_from_ftnptr (mono_compile_method (nm));
- #endif
- } else if (*name == 'B' && (strcmp (name, "BeginInvoke") == 0)) {
- nm = mono_marshal_get_delegate_begin_invoke (method);
- return mono_get_addr_from_ftnptr (mono_compile_method (nm));
- } else if (*name == 'E' && (strcmp (name, "EndInvoke") == 0)) {
- nm = mono_marshal_get_delegate_end_invoke (method);
- return mono_get_addr_from_ftnptr (mono_compile_method (nm));
- }
- }
- full_name = mono_method_full_name (method, TRUE);
- msg = g_strdup_printf ("Unrecognizable runtime implemented method '%s'", full_name);
- *jit_ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", msg);
- g_free (full_name);
- g_free (msg);
- return NULL;
- }
- if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
- WrapperInfo *info = mono_marshal_get_wrapper_info (method);
- if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT) {
- static MonoTrampInfo *in_tinfo, *out_tinfo;
- MonoTrampInfo *tinfo;
- MonoJitInfo *jinfo;
- gboolean is_in = info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN;
- if (is_in && in_tinfo)
- return in_tinfo->code;
- else if (!is_in && out_tinfo)
- return out_tinfo->code;
- /*
- * This is a special wrapper whose body is implemented in assembly, like a trampoline. We use a wrapper so EH
- * works.
- * FIXME: The caller signature doesn't match the callee, which might cause problems on some platforms
- */
- if (mono_aot_only)
- mono_aot_get_trampoline_full (is_in ? "gsharedvt_trampoline" : "gsharedvt_out_trampoline", &tinfo);
- else
- mono_arch_get_gsharedvt_trampoline (&tinfo, FALSE);
- jinfo = create_jit_info_for_trampoline (method, tinfo);
- mono_jit_info_table_add (mono_get_root_domain (), jinfo);
- if (is_in)
- in_tinfo = tinfo;
- else
- out_tinfo = tinfo;
- return tinfo->code;
- }
- }
- if (mono_aot_only) {
- char *fullname = mono_method_full_name (method, TRUE);
- char *msg = g_strdup_printf ("Attempting to JIT compile method '%s' while running with --aot-only. See http://docs.xamarin.com/ios/about/limitations for more information.\n", fullname);
- *jit_ex = mono_get_exception_execution_engine (msg);
- g_free (fullname);
- g_free (msg);
-
- return NULL;
- }
- jit_timer = g_timer_new ();
- cfg = mini_method_compile (method, opt, target_domain, TRUE, FALSE, 0);
- prof_method = cfg->method;
- g_timer_stop (jit_timer);
- mono_jit_stats.jit_time += g_timer_elapsed (jit_timer, NULL);
- g_timer_destroy (jit_timer);
- switch (cfg->exception_type) {
- case MONO_EXCEPTION_NONE:
- break;
- case MONO_EXCEPTION_TYPE_LOAD:
- case MONO_EXCEPTION_MISSING_FIELD:
- case MONO_EXCEPTION_MISSING_METHOD:
- case MONO_EXCEPTION_FILE_NOT_FOUND:
- case MONO_EXCEPTION_BAD_IMAGE: {
- /* Throw a type load exception if needed */
- MonoLoaderError *error = mono_loader_get_last_error ();
- if (error) {
- ex = mono_loader_error_prepare_exception (error);
- } else {
- if (cfg->exception_ptr) {
- ex = mono_class_get_exception_for_failure (cfg->exception_ptr);
- } else {
- if (cfg->exception_type == MONO_EXCEPTION_MISSING_FIELD)
- ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", cfg->exception_message);
- else if (cfg->exception_type == MONO_EXCEPTION_MISSING_METHOD)
- ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", cfg->exception_message);
- else if (cfg->exception_type == MONO_EXCEPTION_TYPE_LOAD)
- ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", cfg->exception_message);
- else if (cfg->exception_type == MONO_EXCEPTION_FILE_NOT_FOUND)
- ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FileNotFoundException", cfg->exception_message);
- else if (cfg->exception_type == MONO_EXCEPTION_BAD_IMAGE)
- ex = mono_get_exception_bad_image_format (cfg->exception_message);
- else
- g_assert_not_reached ();
- }
- }
- break;
- }
- case MONO_EXCEPTION_INVALID_PROGRAM:
- ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", cfg->exception_message);
- break;
- case MONO_EXCEPTION_UNVERIFIABLE_IL:
- ex = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", cfg->exception_message);
- break;
- case MONO_EXCEPTION_METHOD_ACCESS:
- ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MethodAccessException", cfg->exception_message);
- break;
- case MONO_EXCEPTION_FIELD_ACCESS:
- ex = mono_exception_from_name_msg (mono_defaults.corlib, "System", "FieldAccessException", cfg->exception_message);
- break;
- /* this can only be set if the security manager is active */
- case MONO_EXCEPTION_SECURITY_LINKDEMAND: {
- MonoSecurityManager* secman = mono_security_manager_get_methods ();
- MonoObject *exc = NULL;
- gpointer args [2];
- args [0] = &cfg->exception_data;
- args [1] = &method;
- mono_runtime_invoke (secman->linkdemandsecurityexception, NULL, args, &exc);
- ex = (MonoException*)exc;
- break;
- }
- case MONO_EXCEPTION_OBJECT_SUPPLIED: {
- MonoException *exp = cfg->exception_ptr;
- MONO_GC_UNREGISTER_ROOT (cfg->exception_ptr);
- ex = exp;
- break;
- }
- case MONO_EXCEPTION_OUT_OF_MEMORY:
- ex = mono_domain_get ()->out_of_memory_ex;
- break;
- default:
- g_assert_not_reached ();
- }
- if (ex) {
- if (cfg->prof_options & MONO_PROFILE_JIT_COMPILATION)
- mono_profiler_method_end_jit (method, NULL, MONO_PROFILE_FAILED);
- mono_destroy_compile (cfg);
- *jit_ex = ex;
- return NULL;
- }
- mono_loader_lock (); /*FIXME lookup_method_inner requires the loader lock*/
- mono_domain_lock (target_domain);
- /* Check if some other thread already did the job. In this case, we can
- discard the code this thread generated. */
- mono_domain_jit_code_hash_lock (target_domain);
- info = lookup_method_inner (target_domain, method);
- if (info) {
- /* We can't use a domain specific method in another domain */
- if ((target_domain == mono_domain_get ()) || info->domain_neutral) {
- code = info->code_start;
- // printf("Discarding code for method %s\n", method->name);
- }
- }
-
- if (code == NULL) {
- mono_internal_hash_table_insert (&target_domain->jit_code_hash, cfg->jit_info->method, cfg->jit_info);
- mono_domain_jit_code_hash_unlock (target_domain);
- code = cfg->native_code;
- if (cfg->generic_sharing_context && mono_method_is_generic_sharable_impl_full (method, FALSE, FALSE, TRUE))
- mono_stats.generics_shared_methods++;
- if (cfg->gsharedvt)
- mono_stats.gsharedvt_methods++;
- } else {
- mono_domain_jit_code_hash_unlock (target_domain);
- }
- jinfo = cfg->jit_info;
- prof_options = cfg->prof_options;
- /*
- * Update global stats while holding a lock, instead of doing many
- * InterlockedIncrement operations during JITting.
- */
- mono_jit_stats.allocate_var += cfg->stat_allocate_var;
- mono_jit_stats.locals_stack_size += cfg->stat_locals_stack_size;
- mono_jit_stats.basic_blocks += cfg->stat_basic_blocks;
- mono_jit_stats.max_basic_blocks = MAX (cfg->stat_basic_blocks, mono_jit_stats.max_basic_blocks);
- mono_jit_stats.cil_code_size += cfg->stat_cil_code_size;
- mono_jit_stats.regvars += cfg->stat_n_regvars;
- mono_jit_stats.inlineable_methods += cfg->stat_inlineable_methods;
- mono_jit_stats.inlined_methods += cfg->stat_inlined_methods;
- mono_jit_stats.cas_demand_generation += cfg->stat_cas_demand_generation;
- mono_jit_stats.code_reallocs += cfg->stat_code_reallocs;
- mono_destroy_compile (cfg);
- #ifndef DISABLE_JIT
- if (domain_jit_info (target_domain)->jump_target_hash) {
- MonoJumpInfo patch_info;
- MonoJumpList *jlist;
- GSList *tmp;
- jlist = g_hash_table_lookup (domain_jit_info (target_domain)->jump_target_hash, method);
- if (jlist) {
- patch_info.next = NULL;
- patch_info.ip.i = 0;
- patch_info.type = MONO_PATCH_INFO_METHOD_JUMP;
- patch_info.data.method = method;
- g_hash_table_remove (domain_jit_info (target_domain)->jump_target_hash, method);
- for (tmp = jlist->list; tmp; tmp = tmp->next)
- mono_arch_patch_code (NULL, target_domain, tmp->data, &patch_info, NULL, TRUE);
- }
- }
- mono_emit_jit_map (jinfo);
- #endif
- mono_domain_unlock (target_domain);
- mono_loader_unlock ();
- vtable = mono_class_vtable (target_domain, method->klass);
- if (!vtable) {
- ex = mono_class_get_exception_for_failure (method->klass);
- g_assert (ex);
- *jit_ex = ex;
- return NULL;
- }
- if (prof_options & MONO_PROFILE_JIT_COMPILATION) {
- if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE) {
- if (mono_marshal_method_from_wrapper (method)) {
- /* Native func wrappers have no method */
- /* The profiler doesn't know about wrappers, so pass the original icall method */
- mono_profiler_method_end_jit (mono_marshal_method_from_wrapper (method), jinfo, MONO_PROFILE_OK);
- }
- }
- mono_profiler_method_end_jit (method, jinfo, MONO_PROFILE_OK);
- if (prof_method != method) {
- mono_profiler_method_end_jit (prof_method, jinfo, MONO_PROFILE_OK);
- }
- }
- ex = mono_runtime_class_init_full (vtable, FALSE);
- if (ex) {
- *jit_ex = ex;
- return NULL;
- }
- return code;
- }
- static gpointer
- mono_jit_compile_method_with_opt (MonoMethod *method, guint32 opt, MonoException **ex)
- {
- MonoDomain *target_domain, *domain = mono_domain_get ();
- MonoJitInfo *info;
- gpointer code, p;
- MonoJitICallInfo *callinfo = NULL;
- WrapperInfo *winfo = NULL;
- /*
- * ICALL wrappers are handled specially, since there is only one copy of them
- * shared by all appdomains.
- */
- if (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
- winfo = mono_marshal_get_wrapper_info (method);
- if (winfo && winfo->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
- callinfo = mono_find_jit_icall_by_addr (winfo->d.icall.func);
- g_assert (callinfo);
- /* Must be domain neutral since there is only one copy */
- opt |= MONO_OPT_SHARED;
- }
- if (method->dynamic)
- opt &= ~MONO_OPT_SHARED;
- /* These methods can become invalid when a domain is unloaded */
- if (method->klass->image != mono_get_corlib () || method->is_inflated)
- opt &= ~MONO_OPT_SHARED;
- if (opt & MONO_OPT_SHARED)
- target_domain = mono_get_root_domain ();
- else
- target_domain = domain;
- if (method->wrapper_type == MONO_WRAPPER_UNKNOWN) {
- WrapperInfo *info = mono_marshal_get_wrapper_info (method);
- g_assert (info);
- if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
- method = info->d.synchronized_inner.method;
- }
- info = lookup_method (target_domain, method);
- if (info) {
- /* We can't use a domain specific method in another domain */
- if (! ((domain != target_domain) && !info->domain_neutral)) {
- MonoVTable *vtable;
- MonoException *tmpEx;
- mono_jit_stats.methods_lookups++;
- vtable = mono_class_vtable (domain, method->klass);
- g_assert (vtable);
- tmpEx = mono_runtime_class_init_full (vtable, ex == NULL);
- if (tmpEx) {
- *ex = tmpEx;
- return NULL;
- }
- return mono_create_ftnptr (target_domain, info->code_start);
- }
- }
- code = mono_jit_compile_method_inner (method, target_domain, opt, ex);
- if (!code)
- return NULL;
- p = mono_create_ftnptr (target_domain, code);
- if (callinfo) {
- /*mono_register_jit_icall_wrapper takes the loader lock, so we take it on the outside. */
- mono_loader_lock ();
- mono_jit_lock ();
- if (!callinfo->wrapper) {
- callinfo->wrapper = p;
- mono_register_jit_icall_wrapper (callinfo, p);
- mono_debug_add_icall_wrapper (method, callinfo);
- }
- mono_jit_unlock ();
- mono_loader_unlock ();
- }
- return p;
- }
- gpointer
- mono_jit_compile_method (MonoMethod *method)
- {
- MonoException *ex = NULL;
- gpointer code;
- code = mono_jit_compile_method_with_opt (method, default_opt, &ex);
- if (!code) {
- g_assert (ex);
- mono_raise_exception (ex);
- }
- return code;
- }
- #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
- static void
- invalidated_delegate_trampoline (char *desc)
- {
- g_error ("Unmanaged code called delegate of type %s which was already garbage collected.\n"
- "See http://www.mono-project.com/Diagnostic:Delegate for an explanation and ways to fix this.",
- desc);
- }
- #endif
- /*
- * mono_jit_free_method:
- *
- * Free all memory allocated by the JIT for METHOD.
- */
- static void
- mono_jit_free_method (MonoDomain *domain, MonoMethod *method)
- {
- MonoJitDynamicMethodInfo *ji;
- gboolean destroy = TRUE;
- GHashTableIter iter;
- MonoJumpList *jlist;
- g_assert (method->dynamic);
- mono_domain_lock (domain);
- ji = mono_dynamic_code_hash_lookup (domain, method);
- mono_domain_unlock (domain);
- if (!ji)
- return;
- mono_debug_remove_method (method, domain);
- mono_domain_lock (domain);
- g_hash_table_remove (domain_jit_info (domain)->dynamic_code_hash, method);
- mono_internal_hash_table_remove (&domain->jit_code_hash, method);
- g_hash_table_remove (domain_jit_info (domain)->jump_trampoline_hash, method);
- g_hash_table_remove (domain_jit_info (domain)->runtime_invoke_hash, method);
- /* Remove jump targets in this method */
- g_hash_table_iter_init (&iter, domain_jit_info (domain)->jump_target_hash);
- while (g_hash_table_iter_next (&iter, NULL, (void**)&jlist)) {
- GSList *tmp, *remove;
- remove = NULL;
- for (tmp = jlist->list; tmp; tmp = tmp->next) {
- guint8 *ip = tmp->data;
- if (ip >= (guint8*)ji->ji->code_start && ip < (guint8*)ji->ji->code_start + ji->ji->code_size)
- remove = g_slist_prepend (remove, tmp);
- }
- for (tmp = remove; tmp; tmp = tmp->next) {
- jlist->list = g_slist_delete_link (jlist->list, tmp->data);
- }
- g_slist_free (remove);
- }
- mono_domain_unlock (domain);
- #ifdef MONO_ARCH_HAVE_INVALIDATE_METHOD
- if (debug_options.keep_delegates && method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
- /*
- * Instead of freeing the code, change it to call an error routine
- * so people can fix their code.
- */
- char *type = mono_type_full_name (&method->klass->byval_arg);
- char *type_and_method = g_strdup_printf ("%s.%s", type, method->name);
- g_free (type);
- mono_arch_invalidate_method (ji->ji, invalidated_delegate_trampoline, type_and_method);
- destroy = FALSE;
- }
- #endif
- /*
- * This needs to be done before freeing code_mp, since the code address is the
- * key in the table, so if we free the code_mp first, another thread can grab the
- * same code address and replace our entry in the table.
- */
- mono_jit_info_table_remove (domain, ji->ji);
- if (destroy)
- mono_code_manager_destroy (ji->code_mp);
- g_free (ji);
- }
- gpointer
- mono_jit_find_compiled_method_with_jit_info (MonoDomain *domain, MonoMethod *method, MonoJitInfo **ji)
- {
- MonoDomain *target_domain;
- MonoJitInfo *info;
- if (default_opt & MONO_OPT_SHARED)
- target_domain = mono_get_root_domain ();
- else
- target_domain = domain;
- info = lookup_method (target_domain, method);
- if (info) {
- /* We can't use a domain specific method in another domain */
- if (! ((domain != target_domain) && !info->domain_neutral)) {
- mono_jit_stats.methods_lookups++;
- if (ji)
- *ji = info;
- return info->code_start;
- }
- }
- if (ji)
- *ji = NULL;
- return NULL;
- }
- gpointer
- mono_jit_find_compiled_method (MonoDomain *domain, MonoMethod *method)
- {
- return mono_jit_find_compiled_method_with_jit_info (domain, method, NULL);
- }
- typedef struct {
- MonoMethod *method;
- gpointer compiled_method;
- gpointer runtime_invoke;
- MonoVTable *vtable;
- MonoDynCallInfo *dyn_call_info;
- MonoClass *ret_box_class;
- } RuntimeInvokeInfo;
- /**
- * mono_jit_runtime_invoke:
- * @method: the method to invoke
- * @obj: this pointer
- * @params: array of parameter values.
- * @exc: used to catch exceptions objects
- */
- static MonoObject*
- mono_jit_runtime_invoke (MonoMethod *method, void *obj, void **params, MonoObject **exc)
- {
- MonoMethod *invoke;
- MonoObject *(*runtime_invoke) (MonoObject *this, void **params, MonoObject **exc, void* compiled_method);
- MonoDomain *domain = mono_domain_get ();
- MonoJitDomainInfo *domain_info;
- RuntimeInvokeInfo *info, *info2;
-
- if (obj == NULL && !(method->flags & METHOD_ATTRIBUTE_STATIC) && !method->string_ctor && (method->wrapper_type == 0)) {
- g_warning ("Ignoring invocation of an instance method on a NULL instance.\n");
- return NULL;
- }
- domain_info = domain_jit_info (domain);
- mono_domain_lock (domain);
- info = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
- mono_domain_unlock (domain);
- if (!info) {
- if (mono_security_get_mode () == MONO_SECURITY_MODE_CORE_CLR) {
- /*
- * This might be redundant since mono_class_vtable () already does this,
- * but keep it just in case for moonlight.
- */
- mono_class_setup_vtable (method->klass);
- if (method->klass->exception_type != MONO_EXCEPTION_NONE) {
- if (exc)
- *exc = (MonoObject*)mono_class_get_exception_for_failure (method->klass);
- else
- mono_raise_exception (mono_class_get_exception_for_failure (method->klass));
- return NULL;
- }
- }
- info = g_new0 (RuntimeInvokeInfo, 1);
- invoke = mono_marshal_get_runtime_invoke (method, FALSE);
- info->vtable = mono_class_vtable_full (domain, method->klass, TRUE);
- g_assert (info->vtable);
- if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
- (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
- /*
- * Array Get/Set/Address methods. The JIT implements them using inline code
- * inside the runtime invoke wrappers, so no need to compile them.
- */
- info->compiled_method = NULL;
- } else {
- MonoException *jit_ex = NULL;
- info->compiled_method = mono_jit_compile_method_with_opt (method, default_opt, &jit_ex);
- if (!info->compiled_method) {
- g_free (info);
- g_assert (jit_ex);
- if (exc) {
- *exc = (MonoObject*)jit_ex;
- return NULL;
- } else {
- mono_raise_exception (jit_ex);
- }
- }
- info->compiled_method = mini_add_method_trampoline (NULL, method, info->compiled_method, mono_method_needs_static_rgctx_invoke (method, FALSE));
- }
- /*
- * We want to avoid AOTing 1000s of runtime-invoke wrappers when running
- * in full-aot mode, so we use a slower, but more generic wrapper if
- * possible, built on top of the OP_DYN_CALL opcode provided by the JIT.
- */
- #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
- if (mono_aot_only || debug_options.dyn_runtime_invoke) {
- MonoMethodSignature *sig = mono_method_signature (method);
- gboolean supported = TRUE;
- int i;
- if (method->string_ctor)
- sig = mono_marshal_get_string_ctor_signature (method);
- for (i = 0; i < sig->param_count; ++i) {
- MonoType *t = sig->params [i];
- if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
- supported = FALSE;
- }
- if (mono_class_is_contextbound (method->klass) || !info->compiled_method)
- supported = FALSE;
- if (supported)
- info->dyn_call_info = mono_arch_dyn_call_prepare (sig);
- if (info->dyn_call_info) {
- switch (sig->ret->type) {
- case MONO_TYPE_VOID:
- break;
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
- case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_CHAR:
- case MONO_TYPE_R4:
- case MONO_TYPE_R8:
- info->ret_box_class = mono_class_from_mono_type (sig->ret);
- break;
- case MONO_TYPE_PTR:
- info->ret_box_class = mono_defaults.int_class;
- break;
- case MONO_TYPE_STRING:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_OBJECT:
- break;
- case MONO_TYPE_GENERICINST:
- if (!MONO_TYPE_IS_REFERENCE (sig->ret))
- info->ret_box_class = mono_class_from_mono_type (sig->ret);
- break;
- case MONO_TYPE_VALUETYPE:
- info->ret_box_class = mono_class_from_mono_type (sig->ret);
- break;
- default:
- g_assert_not_reached ();
- break;
- }
- }
- }
- #endif
- if (!info->dyn_call_info)
- info->runtime_invoke = mono_jit_compile_method (invoke);
- mono_domain_lock (domain);
- info2 = g_hash_table_lookup (domain_info->runtime_invoke_hash, method);
- if (info2) {
- g_free (info);
- info = info2;
- } else {
- g_hash_table_insert (domain_info->runtime_invoke_hash, method, info);
- }
- mono_domain_unlock (domain);
- }
- runtime_invoke = info->runtime_invoke;
- /*
- * We need this here because mono_marshal_get_runtime_invoke can place
- * the helper method in System.Object and not the target class.
- */
- if (exc) {
- *exc = (MonoObject*)mono_runtime_class_init_full (info->vtable, FALSE);
- if (*exc)
- return NULL;
- } else {
- mono_runtime_class_init (info->vtable);
- }
- /* The wrappers expect this to be initialized to NULL */
- if (exc)
- *exc = NULL;
- #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
- if (info->dyn_call_info) {
- MonoMethodSignature *sig = mono_method_signature (method);
- gpointer *args;
- static RuntimeInvokeDynamicFunction dyn_runtime_invoke;
- int i, pindex;
- guint8 buf [128];
- guint8 retval [128];
- if (!dyn_runtime_invoke) {
- invoke = mono_marshal_get_runtime_invoke_dynamic ();
- dyn_runtime_invoke = mono_jit_compile_method (invoke);
- }
- /* Convert the arguments to the format expected by start_dyn_call () */
- args = g_alloca ((sig->param_count + sig->hasthis) * sizeof (gpointer));
- pindex = 0;
- if (sig->hasthis)
- args [pindex ++] = &obj;
- for (i = 0; i < sig->param_count; ++i) {
- MonoType *t = sig->params [i];
- if (t->byref) {
- args [pindex ++] = ¶ms [i];
- } else if (MONO_TYPE_IS_REFERENCE (t) || t->type == MONO_TYPE_PTR) {
- args [pindex ++] = ¶ms [i];
- } else {
- args [pindex ++] = params [i];
- }
- }
- //printf ("M: %s\n", mono_method_full_name (method, TRUE));
- mono_arch_start_dyn_call (info->dyn_call_info, (gpointer**)args, retval, buf, sizeof (buf));
- dyn_runtime_invoke (buf, exc, info->compiled_method);
- mono_arch_finish_dyn_call (info->dyn_call_info, buf);
- if (info->ret_box_class)
- return mono_value_box (domain, info->ret_box_class, retval);
- else
- return *(MonoObject**)retval;
- }
- #endif
- return runtime_invoke (obj, params, exc, info->compiled_method);
- }
- void
- SIG_HANDLER_SIGNATURE (mono_sigfpe_signal_handler)
- {
- MonoException *exc = NULL;
- MonoJitInfo *ji;
- #if !(defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32))
- void *info = NULL;
- #endif
- GET_CONTEXT;
- ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
- #if defined(MONO_ARCH_HAVE_IS_INT_OVERFLOW)
- if (mono_arch_is_int_overflow (ctx, info))
- /*
- * The spec says this throws ArithmeticException, but MS throws the derived
- * OverflowException.
- */
- exc = mono_get_exception_overflow ();
- else
- exc = mono_get_exception_divide_by_zero ();
- #else
- exc = mono_get_exception_divide_by_zero ();
- #endif
- if (!ji) {
- if (mono_chain_signal (SIG_HANDLER_PARAMS))
- return;
- mono_handle_native_sigsegv (SIGSEGV, ctx);
- }
-
- mono_arch_handle_exception (ctx, exc);
- }
- void
- SIG_HANDLER_SIGNATURE (mono_sigill_signal_handler)
- {
- MonoException *exc;
- GET_CONTEXT;
- exc = mono_get_exception_execution_engine ("SIGILL");
-
- mono_arch_handle_exception (ctx, exc);
- }
- #if defined(MONO_ARCH_USE_SIGACTION) || defined(HOST_WIN32)
- #define HAVE_SIG_INFO
- #endif
- void
- SIG_HANDLER_SIGNATURE (mono_sigsegv_signal_handler)
- {
- MonoJitInfo *ji;
- MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
- gpointer fault_addr = NULL;
- GET_CONTEXT;
- #if defined(MONO_ARCH_SOFT_DEBUG_SUPPORTED) && defined(HAVE_SIG_INFO)
- if (mono_arch_is_single_step_event (info, ctx)) {
- mono_debugger_agent_single_step_event (ctx);
- return;
- } else if (mono_arch_is_breakpoint_event (info, ctx)) {
- mono_debugger_agent_breakpoint_hit (ctx);
- return;
- }
- #endif
- #if !defined(HOST_WIN32) && defined(HAVE_SIG_INFO)
- fault_addr = info->si_addr;
- if (mono_aot_is_pagefault (info->si_addr)) {
- mono_aot_handle_pagefault (info->si_addr);
- return;
- }
- #endif
- /* The thread might no be registered with the runtime */
- if (!mono_domain_get () || !jit_tls) {
- if (mono_chain_signal (SIG_HANDLER_PARAMS))
- return;
- mono_handle_native_sigsegv (SIGSEGV, ctx);
- }
- ji = mono_jit_info_table_find (mono_domain_get (), mono_arch_ip_from_context (ctx));
- #ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
- if (mono_handle_soft_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr))
- return;
- #ifdef MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX
- /* info->si_addr seems to be NULL on some kernels when handling stack overflows */
- fault_addr = info->si_addr;
- if (fault_addr == NULL) {
- MonoContext mctx;
- mono_arch_sigctx_to_monoctx (ctx, &mctx);
- fault_addr = MONO_CONTEXT_GET_SP (&mctx);
- }
- #endif
- if (jit_tls->stack_size &&
- ABS ((guint8*)fault_addr - ((guint8*)jit_tls->end_of_stack - jit_tls->stack_size)) < 8192 * sizeof (gpointer)) {
- /*
- * The hard-guard page has been hit: there is not much we can do anymore
- * Print a hopefully clear message and abort.
- */
- mono_handle_hard_stack_ovf (jit_tls, ji, ctx, (guint8*)info->si_addr);
- g_assert_not_reached ();
- } else {
- /* The original handler might not like that it is executed on an altstack... */
- if (!ji && mono_chain_signal (SIG_HANDLER_PARAMS))
- return;
- mono_arch_handle_altstack_exception (ctx, info->si_addr, FALSE);
- }
- #else
- if (!ji) {
- if (mono_chain_signal (SIG_HANDLER_PARAMS))
- return;
- mono_handle_native_sigsegv (SIGSEGV, ctx);
- }
-
- mono_arch_handle_exception (ctx, NULL);
- #endif
- }
- void
- SIG_HANDLER_SIGNATURE (mono_sigint_signal_handler)
- {
- MonoException *exc;
- GET_CONTEXT;
- exc = mono_get_exception_execution_engine ("Interrupted (SIGINT).");
-
- mono_arch_handle_exception (ctx, exc);
- }
- #ifndef DISABLE_REMOTING
- /* mono_jit_create_remoting_trampoline:
- * @method: pointer to the method info
- *
- * Creates a trampoline which calls the remoting functions. This
- * is used in the vtable of transparent proxies.
- *
- * Returns: a pointer to the newly created code
- */
- static gpointer
- mono_jit_create_remoting_trampoline (MonoDomain *domain, MonoMethod *method, MonoRemotingTarget target)
- {
- MonoMethod *nm;
- guint8 *addr = NULL;
- if ((method->flags & METHOD_ATTRIBUTE_VIRTUAL) && mono_method_signature (method)->generic_param_count) {
- return mono_create_specific_trampoline (method, MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING,
- domain, NULL);
- }
- if ((method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
- (mono_method_signature (method)->hasthis && (mono_class_is_marshalbyref (method->klass) || method->klass == mono_defaults.object_class))) {
- nm = mono_marshal_get_remoting_invoke_for_target (method, target);
- addr = mono_compile_method (nm);
- } else
- {
- addr = mono_compile_method (method);
- }
- return mono_get_addr_from_ftnptr (addr);
- }
- #endif
- static gpointer *vtable_trampolines;
- static int vtable_trampolines_size;
- gpointer
- mini_get_vtable_trampoline (int slot_index)
- {
- int index = slot_index + MONO_IMT_SIZE;
- g_assert (slot_index >= - MONO_IMT_SIZE);
- if (!vtable_trampolines || slot_index + MONO_IMT_SIZE >= vtable_trampolines_size) {
- mono_jit_lock ();
- if (!vtable_trampolines || index >= vtable_trampolines_size) {
- int new_size;
- gpointer new_table;
- new_size = vtable_trampolines_size ? vtable_trampolines_size * 2 : 128;
- while (new_size <= index)
- new_size *= 2;
- new_table = g_new0 (gpointer, new_size);
- if (vtable_trampolines)
- memcpy (new_table, vtable_trampolines, vtable_trampolines_size * sizeof (gpointer));
- g_free (vtable_trampolines);
- mono_memory_barrier ();
- vtable_trampolines = new_table;
- vtable_trampolines_size = new_size;
- }
- mono_jit_unlock ();
- }
- if (!vtable_trampolines [index])
- vtable_trampolines [index] = mono_create_specific_trampoline (GUINT_TO_POINTER (slot_index), MONO_TRAMPOLINE_VCALL, mono_get_root_domain (), NULL);
- return vtable_trampolines [index];
- }
- static gpointer
- mini_get_imt_trampoline (int slot_index)
- {
- return mini_get_vtable_trampoline (slot_index - MONO_IMT_SIZE);
- }
- static void
- mini_parse_debug_options (void)
- {
- char *options = getenv ("MONO_DEBUG");
- gchar **args, **ptr;
-
- if (!options)
- return;
- args = g_strsplit (options, ",", -1);
- for (ptr = args; ptr && *ptr; ptr++) {
- const char *arg = *ptr;
- if (!strcmp (arg, "handle-sigint"))
- debug_options.handle_sigint = TRUE;
- else if (!strcmp (arg, "keep-delegates"))
- debug_options.keep_delegates = TRUE;
- else if (!strcmp (arg, "reverse-pinvoke-exceptions"))
- debug_options.reverse_pinvoke_exceptions = TRUE;
- else if (!strcmp (arg, "collect-pagefault-stats"))
- debug_options.collect_pagefault_stats = TRUE;
- else if (!strcmp (arg, "break-on-unverified"))
- debug_options.break_on_unverified = TRUE;
- else if (!strcmp (arg, "no-gdb-backtrace"))
- debug_options.no_gdb_backtrace = TRUE;
- else if (!strcmp (arg, "suspend-on-sigsegv"))
- debug_options.suspend_on_sigsegv = TRUE;
- else if (!strcmp (arg, "suspend-on-unhandled"))
- debug_options.suspend_on_unhandled = TRUE;
- else if (!strcmp (arg, "dont-free-domains"))
- mono_dont_free_domains = TRUE;
- else if (!strcmp (arg, "dyn-runtime-invoke"))
- debug_options.dyn_runtime_invoke = TRUE;
- else if (!strcmp (arg, "gdb"))
- debug_options.gdb = TRUE;
- else if (!strcmp (arg, "explicit-null-checks"))
- debug_options.explicit_null_checks = TRUE;
- else if (!strcmp (arg, "gen-seq-points"))
- debug_options.gen_seq_points = TRUE;
- else if (!strcmp (arg, "init-stacks"))
- debug_options.init_stacks = TRUE;
- else if (!strcmp (arg, "casts"))
- debug_options.better_cast_details = TRUE;
- else if (!strcmp (arg, "soft-breakpoints"))
- debug_options.soft_breakpoints = TRUE;
- else {
- fprintf (stderr, "Invalid option for the MONO_DEBUG env variable: %s\n", arg);
- fprintf (stderr, "Available options: 'handle-sigint', 'keep-delegates', 'reverse-pinvoke-exceptions', 'collect-pagefault-stats', 'break-on-unverified', 'no-gdb-backtrace', 'dont-free-domains', 'suspend-on-sigsegv', 'suspend-on-unhandled', 'dyn-runtime-invoke', 'gdb', 'explicit-null-checks', 'init-stacks'\n");
- exit (1);
- }
- }
- g_strfreev (args);
- }
- MonoDebugOptions *
- mini_get_debug_options (void)
- {
- return &debug_options;
- }
- static gpointer
- mini_create_ftnptr (MonoDomain *domain, gpointer addr)
- {
- #if !defined(__ia64__) && !defined(__ppc64__) && !defined(__powerpc64__)
- return addr;
- #else
- gpointer* desc = NULL;
- if ((desc = g_hash_table_lookup (domain->ftnptrs_hash, addr)))
- return desc;
- # ifdef __ia64__
- desc = mono_domain_code_reserve (domain, 2 * sizeof (gpointer));
- desc [0] = addr;
- desc [1] = NULL;
- # elif defined(__ppc64__) || defined(__powerpc64__)
- gpointer *desc;
- desc = mono_domain_alloc0 (domain, 3 * sizeof (gpointer));
- desc [0] = addr;
- desc [1] = NULL;
- desc [2] = NULL;
- # endif
- g_hash_table_insert (domain->ftnptrs_hash, addr, desc);
- return desc;
- #endif
- }
- static gpointer
- mini_get_addr_from_ftnptr (gpointer descr)
- {
- #if defined(__ia64__) || defined(__ppc64__) || defined(__powerpc64__)
- return *(gpointer*)descr;
- #else
- return descr;
- #endif
- }
- static void
- register_jit_stats (void)
- {
- mono_counters_register ("Compiled methods", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_compiled);
- mono_counters_register ("Methods from AOT", MONO_COUNTER_JIT | MONO_COUNTER_WORD, &mono_jit_stats.methods_aot);
- mono_counters_register ("Methods JITted using mono JIT", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_without_llvm);
- mono_counters_register ("Methods JITted using LLVM", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_with_llvm);
- mono_counters_register ("Total time spent JITting (sec)", MONO_COUNTER_JIT | MONO_COUNTER_DOUBLE, &mono_jit_stats.jit_time);
- mono_counters_register ("Basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.basic_blocks);
- mono_counters_register ("Max basic blocks", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.max_basic_blocks);
- mono_counters_register ("Allocated vars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocate_var);
- mono_counters_register ("Code reallocs", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.code_reallocs);
- mono_counters_register ("Allocated code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.allocated_code_size);
- mono_counters_register ("Inlineable methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlineable_methods);
- mono_counters_register ("Inlined methods", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.inlined_methods);
- mono_counters_register ("Regvars", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.regvars);
- mono_counters_register ("Locals stack size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.locals_stack_size);
- mono_counters_register ("Method cache lookups", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.methods_lookups);
- mono_counters_register ("Compiled CIL code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.cil_code_size);
- mono_counters_register ("Native code size", MONO_COUNTER_JIT | MONO_COUNTER_INT, &mono_jit_stats.native_code_size);
- }
- static void runtime_invoke_info_free (gpointer value);
-
- static void
- mini_create_jit_domain_info (MonoDomain *domain)
- {
- MonoJitDomainInfo *info = g_new0 (MonoJitDomainInfo, 1);
- info->class_init_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
- info->jump_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
- info->jit_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
- info->delegate_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
- info->llvm_vcall_trampoline_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
- info->runtime_invoke_hash = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, runtime_invoke_info_free);
- info->seq_points = g_hash_table_new_full (mono_aligned_addr_hash, NULL, NULL, g_free);
- info->arch_seq_points = g_hash_table_new (mono_aligned_addr_hash, NULL);
- info->jump_target_hash = g_hash_table_new (NULL, NULL);
- domain->runtime_info = info;
- }
- static void
- delete_jump_list (gpointer key, gpointer value, gpointer user_data)
- {
- MonoJumpList *jlist = value;
- g_slist_free (jlist->list);
- }
- static void
- dynamic_method_info_free (gpointer key, gpointer value, gpointer user_data)
- {
- MonoJitDynamicMethodInfo *di = value;
- mono_code_manager_destroy (di->code_mp);
- g_free (di);
- }
- static void
- runtime_invoke_info_free (gpointer value)
- {
- RuntimeInvokeInfo *info = (RuntimeInvokeInfo*)value;
- #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
- if (info->dyn_call_info)
- mono_arch_dyn_call_free (info->dyn_call_info);
- #endif
- g_free (info);
- }
- static void
- mini_free_jit_domain_info (MonoDomain *domain)
- {
- MonoJitDomainInfo *info = domain_jit_info (domain);
- g_hash_table_foreach (info->jump_target_hash, delete_jump_list, NULL);
- g_hash_table_destroy (info->jump_target_hash);
- if (info->jump_target_got_slot_hash) {
- g_hash_table_foreach (info->jump_target_got_slot_hash, delete_jump_list, NULL);
- g_hash_table_destroy (info->jump_target_got_slot_hash);
- }
- if (info->dynamic_code_hash) {
- g_hash_table_foreach (info->dynamic_code_hash, dynamic_method_info_free, NULL);
- g_hash_table_destroy (info->dynamic_code_hash);
- }
- if (info->method_code_hash)
- g_hash_table_destroy (info->method_code_hash);
- g_hash_table_destroy (info->class_init_trampoline_hash);
- g_hash_table_destroy (info->jump_trampoline_hash);
- g_hash_table_destroy (info->jit_trampoline_hash);
- g_hash_table_destroy (info->delegate_trampoline_hash);
- if (info->static_rgctx_trampoline_hash)
- g_hash_table_destroy (info->static_rgctx_trampoline_hash);
- g_hash_table_destroy (info->llvm_vcall_trampoline_hash);
- g_hash_table_destroy (info->runtime_invoke_hash);
- g_hash_table_destroy (info->seq_points);
- g_hash_table_destroy (info->arch_seq_points);
- if (info->agent_info)
- mono_debugger_agent_free_domain_info (domain);
- if (info->gsharedvt_arg_tramp_hash)
- g_hash_table_destroy (info->gsharedvt_arg_tramp_hash);
- g_free (domain->runtime_info);
- domain->runtime_info = NULL;
- }
- MonoDomain *
- mini_init (const char *filename, const char *runtime_version)
- {
- MonoDomain *domain;
- MonoRuntimeCallbacks callbacks;
- MonoThreadInfoRuntimeCallbacks ticallbacks;
- MONO_VES_INIT_BEGIN ();
- #if defined(__linux__) && !defined(__native_client__)
- if (access ("/proc/self/maps", F_OK) != 0) {
- g_print ("Mono requires /proc to be mounted.\n");
- exit (1);
- }
- #endif
- /* Happens when using the embedding interface */
- if (!default_opt_set)
- default_opt = mono_parse_default_optimizations (NULL);
- #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
- if (mono_aot_only)
- mono_set_generic_sharing_vt_supported (TRUE);
- #endif
- InitializeCriticalSection (&jit_mutex);
- #ifdef MONO_DEBUGGER_SUPPORTED
- if (mini_debug_running_inside_mdb ())
- mini_debugger_init ();
- #endif
- #ifdef MONO_HAVE_FAST_TLS
- MONO_FAST_TLS_INIT (mono_jit_tls);
- MONO_FAST_TLS_INIT (mono_lmf_addr);
- #ifdef MONO_ARCH_ENABLE_MONO_LMF_VAR
- MONO_FAST_TLS_INIT (mono_lmf);
- #endif
- #endif
- #ifdef MONO_ARCH_HAVE_TLS_GET
- mono_runtime_set_has_tls_get (MONO_ARCH_HAVE_TLS_GET);
- #else
- mono_runtime_set_has_tls_get (FALSE);
- #endif
- if (!global_codeman)
- global_codeman = mono_code_manager_new ();
- jit_icall_name_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
- memset (&callbacks, 0, sizeof (callbacks));
- callbacks.create_ftnptr = mini_create_ftnptr;
- callbacks.get_addr_from_ftnptr = mini_get_addr_from_ftnptr;
- callbacks.get_runtime_build_info = mono_get_runtime_build_info;
- callbacks.set_cast_details = mono_set_cast_details;
- callbacks.debug_log = mono_debugger_agent_debug_log;
- callbacks.debug_log_is_enabled = mono_debugger_agent_debug_log_is_enabled;
- #ifdef MONO_ARCH_HAVE_IMT
- if (mono_use_imt) {
- callbacks.get_vtable_trampoline = mini_get_vtable_trampoline;
- callbacks.get_imt_trampoline = mini_get_imt_trampoline;
- }
- #endif
- mono_install_callbacks (&callbacks);
- memset (&ticallbacks, 0, sizeof (ticallbacks));
- ticallbacks.setup_async_callback = mono_setup_async_callback;
- ticallbacks.thread_state_init_from_sigctx = mono_thread_state_init_from_sigctx;
- ticallbacks.thread_state_init_from_handle = mono_thread_state_init_from_handle;
- mono_threads_runtime_init (&ticallbacks);
- if (getenv ("MONO_DEBUG") != NULL)
- mini_parse_debug_options ();
-
- mono_arch_cpu_init ();
- mono_arch_init ();
- mono_unwind_init ();
- if (getenv ("MONO_XDEBUG")) {
- char *xdebug_opts = getenv ("MONO_XDEBUG");
- mono_xdebug_init (xdebug_opts);
- /* So methods for multiple domains don't have the same address */
- mono_dont_free_domains = TRUE;
- mono_using_xdebug = TRUE;
- } else if (mini_get_debug_options ()->gdb) {
- mono_xdebug_init ((char*)"gdb");
- mono_dont_free_domains = TRUE;
- mono_using_xdebug = TRUE;
- }
- #ifdef ENABLE_LLVM
- if (mono_use_llvm) {
- if (!mono_llvm_load (NULL)) {
- mono_use_llvm = FALSE;
- fprintf (stderr, "Mono Warning: llvm support could not be loaded.\n");
- }
- }
- if (mono_use_llvm)
- mono_llvm_init ();
- #endif
- mono_trampolines_init ();
- if (!g_thread_supported ())
- g_thread_init (NULL);
- mono_native_tls_alloc (&mono_jit_tls_id, NULL);
- if (default_opt & MONO_OPT_AOT)
- mono_aot_init ();
- mono_debugger_agent_init ();
- #ifdef MONO_ARCH_GSHARED_SUPPORTED
- mono_set_generic_sharing_supported (TRUE);
- #endif
- #ifndef MONO_CROSS_COMPILE
- mono_runtime_install_handlers ();
- #endif
- mono_threads_install_cleanup (mini_thread_cleanup);
- #ifdef MONO_ARCH_HAVE_NOTIFY_PENDING_EXC
- // This is experimental code so provide an env var to switch it off
- if (getenv ("MONO_DISABLE_PENDING_EXCEPTIONS")) {
- printf ("MONO_DISABLE_PENDING_EXCEPTIONS env var set.\n");
- } else {
- check_for_pending_exc = FALSE;
- mono_threads_install_notify_pending_exc (mono_arch_notify_pending_exc);
- }
- #endif
- #define JIT_TRAMPOLINES_WORK
- #ifdef JIT_TRAMPOLINES_WORK
- mono_install_compile_method (mono_jit_compile_method);
- mono_install_free_method (mono_jit_free_method);
- mono_install_trampoline (mono_create_jit_trampoline);
- mono_install_jump_trampoline (mono_create_jump_trampoline);
- #ifndef DISABLE_REMOTING
- mono_install_remoting_trampoline (mono_jit_create_remoting_trampoline);
- #endif
- mono_install_delegate_trampoline (mono_create_delegate_trampoline);
- mono_install_create_domain_hook (mini_create_jit_domain_info);
- mono_install_free_domain_hook (mini_free_jit_domain_info);
- #endif
- #define JIT_INVOKE_WORKS
- #ifdef JIT_INVOKE_WORKS
- mono_install_runtime_invoke (mono_jit_runtime_invoke);
- #endif
- mono_install_get_cached_class_info (mono_aot_get_cached_class_info);
- mono_install_get_class_from_name (mono_aot_get_class_from_name);
- mono_install_jit_info_find_in_aot (mono_aot_find_jit_info);
- if (debug_options.collect_pagefault_stats) {
- mono_aot_set_make_unreadable (TRUE);
- }
- if (runtime_version)
- domain = mono_init_version (filename, runtime_version);
- else
- domain = mono_init_from_assembly (filename, filename);
- if (mono_aot_only) {
- /* This helps catch code allocation requests */
- mono_code_manager_set_read_only (domain->code_mp);
- mono_marshal_use_aot_wrappers (TRUE);
- }
- #ifdef MONO_ARCH_HAVE_IMT
- if (mono_use_imt) {
- if (mono_aot_only)
- mono_install_imt_thunk_builder (mono_aot_get_imt_thunk);
- else
- mono_install_imt_thunk_builder (mono_arch_build_imt_thunk);
- }
- #endif
- /*Init arch tls information only after the metadata side is inited to make sure we see dynamic appdomain tls keys*/
- mono_arch_finish_init ();
-
- /* This must come after mono_init () in the aot-only case */
- mono_exceptions_init ();
- mono_icall_init ();
- /* This should come after mono_init () too */
- mini_gc_init ();
- mono_add_internal_call ("System.Diagnostics.StackFrame::get_frame_info",
- ves_icall_get_frame_info);
- mono_add_internal_call ("System.Diagnostics.StackTrace::get_trace",
- ves_icall_get_trace);
- mono_add_internal_call ("System.Exception::get_trace",
- ves_icall_System_Exception_get_trace);
- mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityFrame",
- ves_icall_System_Security_SecurityFrame_GetSecurityFrame);
- mono_add_internal_call ("System.Security.SecurityFrame::_GetSecurityStack",
- ves_icall_System_Security_SecurityFrame_GetSecurityStack);
- mono_add_internal_call ("Mono.Runtime::mono_runtime_install_handlers",
- mono_runtime_install_handlers);
- #ifdef PLATFORM_ANDROID
- mono_add_internal_call ("System.Diagnostics.Debugger::Mono_UnhandledException_internal",
- mono_debugger_agent_unhandled_exception);
- #endif
- #ifndef DISABLE_JIT
- mono_create_helper_signatures ();
- #endif
- register_jit_stats ();
- #define JIT_CALLS_WORK
- #ifdef JIT_CALLS_WORK
- /* Needs to be called here since register_jit_icall depends on it */
- mono_marshal_init ();
- mono_arch_register_lowlevel_calls ();
- register_icall (mono_profiler_method_enter, "mono_profiler_method_enter", NULL, TRUE);
- register_icall (mono_profiler_method_leave, "mono_profiler_method_leave", NULL, TRUE);
- register_icall (mono_trace_enter_method, "mono_trace_enter_method", NULL, TRUE);
- register_icall (mono_trace_leave_method, "mono_trace_leave_method", NULL, TRUE);
- register_icall (mono_get_lmf_addr, "mono_get_lmf_addr", "ptr", TRUE);
- register_icall (mono_jit_thread_attach, "mono_jit_thread_attach", "ptr ptr", TRUE);
- register_icall (mono_jit_set_domain, "mono_jit_set_domain", "void ptr", TRUE);
- register_icall (mono_domain_get, "mono_domain_get", "ptr", TRUE);
- register_dyn_icall (mono_get_throw_exception (), "mono_arch_throw_exception", "void object", TRUE);
- register_dyn_icall (mono_get_rethrow_exception (), "mono_arch_rethrow_exception", "void object", TRUE);
- register_dyn_icall (mono_get_throw_corlib_exception (), "mono_arch_throw_corlib_exception", "void ptr", TRUE);
- register_icall (mono_thread_get_undeniable_exception, "mono_thread_get_undeniable_exception", "object", FALSE);
- register_icall (mono_thread_interruption_checkpoint, "mono_thread_interruption_checkpoint", "void", FALSE);
- register_icall (mono_thread_force_interruption_checkpoint, "mono_thread_force_interruption_checkpoint", "void", FALSE);
- #ifndef DISABLE_REMOTING
- register_icall (mono_load_remote_field_new, "mono_load_remote_field_new", "object object ptr ptr", FALSE);
- register_icall (mono_store_remote_field_new, "mono_store_remote_field_new", "void object ptr ptr object", FALSE);
- #endif
- #if defined(__native_client__) || defined(__native_client_codegen__)
- register_icall (mono_nacl_gc, "mono_nacl_gc", "void", TRUE);
- #endif
- /*
- * NOTE, NOTE, NOTE, NOTE:
- * when adding emulation for some opcodes, remember to also add a dummy
- * rule to the burg files, because we need the arity information to be correct.
- */
- #ifndef MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
- register_opcode_emulation (OP_LMUL, "__emul_lmul", "long long long", mono_llmult, "mono_llmult", TRUE);
- register_opcode_emulation (OP_LDIV, "__emul_ldiv", "long long long", mono_lldiv, "mono_lldiv", FALSE);
- register_opcode_emulation (OP_LDIV_UN, "__emul_ldiv_un", "long long long", mono_lldiv_un, "mono_lldiv_un", FALSE);
- register_opcode_emulation (OP_LREM, "__emul_lrem", "long long long", mono_llrem, "mono_llrem", FALSE);
- register_opcode_emulation (OP_LREM_UN, "__emul_lrem_un", "long long long", mono_llrem_un, "mono_llrem_un", FALSE);
- register_opcode_emulation (OP_LMUL_OVF_UN, "__emul_lmul_ovf_un", "long long long", mono_llmult_ovf_un, "mono_llmult_ovf_un", FALSE);
- register_opcode_emulation (OP_LMUL_OVF, "__emul_lmul_ovf", "long long long", mono_llmult_ovf, "mono_llmult_ovf", FALSE);
- #endif
- #ifndef MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
- register_opcode_emulation (OP_LSHL, "__emul_lshl", "long long int32", mono_lshl, "mono_lshl", TRUE);
- register_opcode_emulation (OP_LSHR, "__emul_lshr", "long long int32", mono_lshr, "mono_lshr", TRUE);
- register_opcode_emulation (OP_LSHR_UN, "__emul_lshr_un", "long long int32", mono_lshr_un, "mono_lshr_un", TRUE);
- #endif
- #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_DIV)
- register_opcode_emulation (OP_IDIV, "__emul_op_idiv", "int32 int32 int32", mono_idiv, "mono_idiv", FALSE);
- register_opcode_emulation (OP_IDIV_UN, "__emul_op_idiv_un", "int32 int32 int32", mono_idiv_un, "mono_idiv_un", FALSE);
- register_opcode_emulation (OP_IREM, "__emul_op_irem", "int32 int32 int32", mono_irem, "mono_irem", FALSE);
- register_opcode_emulation (OP_IREM_UN, "__emul_op_irem_un", "int32 int32 int32", mono_irem_un, "mono_irem_un", FALSE);
- #endif
- #ifdef MONO_ARCH_EMULATE_MUL_DIV
- register_opcode_emulation (OP_IMUL, "__emul_op_imul", "int32 int32 int32", mono_imul, "mono_imul", TRUE);
- #endif
- #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_EMULATE_MUL_OVF)
- register_opcode_emulation (OP_IMUL_OVF, "__emul_op_imul_ovf", "int32 int32 int32", mono_imul_ovf, "mono_imul_ovf", FALSE);
- register_opcode_emulation (OP_IMUL_OVF_UN, "__emul_op_imul_ovf_un", "int32 int32 int32", mono_imul_ovf_un, "mono_imul_ovf_un", FALSE);
- #endif
- #if defined(MONO_ARCH_EMULATE_MUL_DIV) || defined(MONO_ARCH_SOFT_FLOAT)
- register_opcode_emulation (OP_FDIV, "__emul_fdiv", "double double double", mono_fdiv, "mono_fdiv", FALSE);
- #endif
- register_opcode_emulation (OP_FCONV_TO_U8, "__emul_fconv_to_u8", "ulong double", mono_fconv_u8, "mono_fconv_u8", FALSE);
- register_opcode_emulation (OP_FCONV_TO_U4, "__emul_fconv_to_u4", "uint32 double", mono_fconv_u4, "mono_fconv_u4", FALSE);
- register_opcode_emulation (OP_FCONV_TO_OVF_I8, "__emul_fconv_to_ovf_i8", "long double", mono_fconv_ovf_i8, "mono_fconv_ovf_i8", FALSE);
- register_opcode_emulation (OP_FCONV_TO_OVF_U8, "__emul_fconv_to_ovf_u8", "ulong double", mono_fconv_ovf_u8, "mono_fconv_ovf_u8", FALSE);
- #ifdef MONO_ARCH_EMULATE_FCONV_TO_I8
- register_opcode_emulation (OP_FCONV_TO_I8, "__emul_fconv_to_i8", "long double", mono_fconv_i8, "mono_fconv_i8", FALSE);
- #endif
- #ifdef MONO_ARCH_EMULATE_CONV_R8_UN
- register_opcode_emulation (OP_ICONV_TO_R_UN, "__emul_iconv_to_r_un", "double int32", mono_conv_to_r8_un, "mono_conv_to_r8_un", FALSE);
- #endif
- #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8
- register_opcode_emulation (OP_LCONV_TO_R8, "__emul_lconv_to_r8", "double long", mono_lconv_to_r8, "mono_lconv_to_r8", FALSE);
- #endif
- #ifdef MONO_ARCH_EMULATE_LCONV_TO_R4
- register_opcode_emulation (OP_LCONV_TO_R4, "__emul_lconv_to_r4", "float long", mono_lconv_to_r4, "mono_lconv_to_r4", FALSE);
- #endif
- #ifdef MONO_ARCH_EMULATE_LCONV_TO_R8_UN
- register_opcode_emulation (OP_LCONV_TO_R_UN, "__emul_lconv_to_r8_un", "double long", mono_lconv_to_r8_un, "mono_lconv_to_r8_un", FALSE);
- #endif
- #ifdef MONO_ARCH_EMULATE_FREM
- #if defined(__default_codegen__)
- register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", fmod, "fmod", FALSE);
- #elif defined(__native_client_codegen__)
- register_opcode_emulation (OP_FREM, "__emul_frem", "double double double", mono_fmod, "mono_fmod", FALSE);
- #endif
- #endif
- #ifdef MONO_ARCH_SOFT_FLOAT
- register_opcode_emulation (OP_FSUB, "__emul_fsub", "double double double", mono_fsub, "mono_fsub", FALSE);
- register_opcode_emulation (OP_FADD, "__emul_fadd", "double double double", mono_fadd, "mono_fadd", FALSE);
- register_opcode_emulation (OP_FMUL, "__emul_fmul", "double double double", mono_fmul, "mono_fmul", FALSE);
- register_opcode_emulation (OP_FNEG, "__emul_fneg", "double double", mono_fneg, "mono_fneg", FALSE);
- register_opcode_emulation (OP_ICONV_TO_R8, "__emul_iconv_to_r8", "double int32", mono_conv_to_r8, "mono_conv_to_r8", FALSE);
- register_opcode_emulation (OP_ICONV_TO_R4, "__emul_iconv_to_r4", "double int32", mono_conv_to_r4, "mono_conv_to_r4", FALSE);
- register_opcode_emulation (OP_FCONV_TO_R4, "__emul_fconv_to_r4", "double double", mono_fconv_r4, "mono_fconv_r4", FALSE);
- register_opcode_emulation (OP_FCONV_TO_I1, "__emul_fconv_to_i1", "int8 double", mono_fconv_i1, "mono_fconv_i1", FALSE);
- register_opcode_emulation (OP_FCONV_TO_I2, "__emul_fconv_to_i2", "int16 double", mono_fconv_i2, "mono_fconv_i2", FALSE);
- register_opcode_emulation (OP_FCONV_TO_I4, "__emul_fconv_to_i4", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
- register_opcode_emulation (OP_FCONV_TO_U1, "__emul_fconv_to_u1", "uint8 double", mono_fconv_u1, "mono_fconv_u1", FALSE);
- register_opcode_emulation (OP_FCONV_TO_U2, "__emul_fconv_to_u2", "uint16 double", mono_fconv_u2, "mono_fconv_u2", FALSE);
- #if SIZEOF_VOID_P == 4
- register_opcode_emulation (OP_FCONV_TO_I, "__emul_fconv_to_i", "int32 double", mono_fconv_i4, "mono_fconv_i4", FALSE);
- #endif
- register_opcode_emulation (OP_FBEQ, "__emul_fcmp_eq", "uint32 double double", mono_fcmp_eq, "mono_fcmp_eq", FALSE);
- register_opcode_emulation (OP_FBLT, "__emul_fcmp_lt", "uint32 double double", mono_fcmp_lt, "mono_fcmp_lt", FALSE);
- register_opcode_emulation (OP_FBGT, "__emul_fcmp_gt", "uint32 double double", mono_fcmp_gt, "mono_fcmp_gt", FALSE);
- register_opcode_emulation (OP_FBLE, "__emul_fcmp_le", "uint32 double double", mono_fcmp_le, "mono_fcmp_le", FALSE);
- register_opcode_emulation (OP_FBGE, "__emul_fcmp_ge", "uint32 double double", mono_fcmp_ge, "mono_fcmp_ge", FALSE);
- register_opcode_emulation (OP_FBNE_UN, "__emul_fcmp_ne_un", "uint32 double double", mono_fcmp_ne_un, "mono_fcmp_ne_un", FALSE);
- register_opcode_emulation (OP_FBLT_UN, "__emul_fcmp_lt_un", "uint32 double double", mono_fcmp_lt_un, "mono_fcmp_lt_un", FALSE);
- register_opcode_emulation (OP_FBGT_UN, "__emul_fcmp_gt_un", "uint32 double double", mono_fcmp_gt_un, "mono_fcmp_gt_un", FALSE);
- register_opcode_emulation (OP_FBLE_UN, "__emul_fcmp_le_un", "uint32 double double", mono_fcmp_le_un, "mono_fcmp_le_un", FALSE);
- register_opcode_emulation (OP_FBGE_UN, "__emul_fcmp_ge_un", "uint32 double double", mono_fcmp_ge_un, "mono_fcmp_ge_un", FALSE);
- register_opcode_emulation (OP_FCEQ, "__emul_fcmp_ceq", "uint32 double double", mono_fceq, "mono_fceq", FALSE);
- register_opcode_emulation (OP_FCGT, "__emul_fcmp_cgt", "uint32 double double", mono_fcgt, "mono_fcgt", FALSE);
- register_opcode_emulation (OP_FCGT_UN, "__emul_fcmp_cgt_un", "uint32 double double", mono_fcgt_un, "mono_fcgt_un", FALSE);
- register_opcode_emulation (OP_FCLT, "__emul_fcmp_clt", "uint32 double double", mono_fclt, "mono_fclt", FALSE);
- register_opcode_emulation (OP_FCLT_UN, "__emul_fcmp_clt_un", "uint32 double double", mono_fclt_un, "mono_fclt_un", FALSE);
- register_icall (mono_fload_r4, "mono_fload_r4", "double ptr", FALSE);
- register_icall (mono_fstore_r4, "mono_fstore_r4", "void double ptr", FALSE);
- register_icall (mono_fload_r4_arg, "mono_fload_r4_arg", "uint32 double", FALSE);
- register_icall (mono_isfinite, "mono_isfinite", "uint32 double", FALSE);
- #endif
- #ifdef COMPRESSED_INTERFACE_BITMAP
- register_icall (mono_class_interface_match, "mono_class_interface_match", "uint32 ptr int32", TRUE);
- #endif
- #if SIZEOF_REGISTER == 4
- register_opcode_emulation (OP_FCONV_TO_U, "__emul_fconv_to_u", "uint32 double", mono_fconv_u4, "mono_fconv_u4", TRUE);
- #endif
- /* other jit icalls */
- register_icall (mono_delegate_ctor, "mono_delegate_ctor", "void object object ptr", FALSE);
- register_icall (mono_class_static_field_address , "mono_class_static_field_address",
- "ptr ptr ptr", FALSE);
- register_icall (mono_ldtoken_wrapper, "mono_ldtoken_wrapper", "ptr ptr ptr ptr", FALSE);
- register_icall (mono_ldtoken_wrapper_generic_shared, "mono_ldtoken_wrapper_generic_shared",
- "ptr ptr ptr ptr", FALSE);
- register_icall (mono_get_special_static_data, "mono_get_special_static_data", "ptr int", FALSE);
- register_icall (mono_ldstr, "mono_ldstr", "object ptr ptr int32", FALSE);
- register_icall (mono_helper_stelem_ref_check, "mono_helper_stelem_ref_check", "void object object", FALSE);
- register_icall (mono_object_new, "mono_object_new", "object ptr ptr", FALSE);
- register_icall (mono_object_new_specific, "mono_object_new_specific", "object ptr", FALSE);
- register_icall (mono_array_new, "mono_array_new", "object ptr ptr int32", FALSE);
- register_icall (mono_array_new_specific, "mono_array_new_specific", "object ptr int32", FALSE);
- register_icall (mono_runtime_class_init, "mono_runtime_class_init", "void ptr", FALSE);
- register_icall (mono_ldftn, "mono_ldftn", "ptr ptr", FALSE);
- register_icall (mono_ldvirtfn, "mono_ldvirtfn", "ptr object ptr", FALSE);
- register_icall (mono_ldvirtfn_gshared, "mono_ldvirtfn_gshared", "ptr object ptr", FALSE);
- register_icall (mono_helper_compile_generic_method, "mono_helper_compile_generic_method", "ptr object ptr ptr", FALSE);
- register_icall (mono_helper_ldstr, "mono_helper_ldstr", "object ptr int", FALSE);
- register_icall (mono_helper_ldstr_mscorlib, "mono_helper_ldstr_mscorlib", "object int", FALSE);
- register_icall (mono_helper_newobj_mscorlib, "mono_helper_newobj_mscorlib", "object int", FALSE);
- register_icall (mono_value_copy, "mono_value_copy", "void ptr ptr ptr", FALSE);
- register_icall (mono_object_castclass, "mono_object_castclass", "object object ptr", FALSE);
- register_icall (mono_break, "mono_break", NULL, TRUE);
- register_icall (mono_create_corlib_exception_0, "mono_create_corlib_exception_0", "object int", TRUE);
- register_icall (mono_create_corlib_exception_1, "mono_create_corlib_exception_1", "object int object", TRUE);
- register_icall (mono_create_corlib_exception_2, "mono_create_corlib_exception_2", "object int object object", TRUE);
- register_icall (mono_array_new_1, "mono_array_new_1", "object ptr int", FALSE);
- register_icall (mono_array_new_2, "mono_array_new_2", "object ptr int int", FALSE);
- register_icall (mono_array_new_3, "mono_array_new_3", "object ptr int int int", FALSE);
- register_icall (mono_array_new_4, "mono_array_new_4", "object ptr int int int int", FALSE);
- register_icall (mono_get_native_calli_wrapper, "mono_get_native_calli_wrapper", "ptr ptr ptr ptr", FALSE);
- register_icall (mono_resume_unwind, "mono_resume_unwind", "void", TRUE);
- register_icall (mono_object_tostring_gsharedvt, "mono_object_tostring_gsharedvt", "object ptr ptr ptr", TRUE);
- register_icall (mono_object_gethashcode_gsharedvt, "mono_object_gethashcode_gsharedvt", "int ptr ptr ptr", TRUE);
- register_icall (mono_gc_wbarrier_value_copy_bitmap, "mono_gc_wbarrier_value_copy_bitmap", "void ptr ptr int int", FALSE);
- register_icall (mono_object_castclass_with_cache, "mono_object_castclass_with_cache", "object object ptr ptr", FALSE);
- register_icall (mono_object_isinst_with_cache, "mono_object_isinst_with_cache", "object object ptr ptr", FALSE);
- register_icall (mono_debugger_agent_user_break, "mono_debugger_agent_user_break", "void", FALSE);
- #endif
- #ifdef TARGET_IOS
- register_icall (pthread_getspecific, "pthread_getspecific", NULL, TRUE);
- #endif
- mono_generic_sharing_init ();
- #ifdef MONO_ARCH_SIMD_INTRINSICS
- mono_simd_intrinsics_init ();
- #endif
- #if MONO_SUPPORT_TASKLETS
- mono_tasklets_init ();
- #endif
- if (mono_compile_aot)
- /*
- * Avoid running managed code when AOT compiling, since the platform
- * might only support aot-only execution.
- */
- mono_runtime_set_no_exec (TRUE);
- #define JIT_RUNTIME_WORKS
- #ifdef JIT_RUNTIME_WORKS
- mono_install_runtime_cleanup ((MonoDomainFunc)mini_cleanup);
- mono_runtime_init (domain, mono_thread_start_cb, mono_thread_attach_cb);
- mono_thread_attach (domain);
- #endif
- mono_profiler_runtime_initialized ();
- MONO_VES_INIT_END ();
-
- return domain;
- }
- MonoJitStats mono_jit_stats = {0};
- static void
- print_jit_stats (void)
- {
- if (mono_jit_stats.enabled) {
- g_print ("Mono Jit statistics\n");
- g_print ("Max code size ratio: %.2f (%s)\n", mono_jit_stats.max_code_size_ratio/100.0,
- mono_jit_stats.max_ratio_method);
- g_print ("Biggest method: %ld (%s)\n", mono_jit_stats.biggest_method_size,
- mono_jit_stats.biggest_method);
- g_print ("\nCreated object count: %ld\n", mono_stats.new_object_count);
- g_print ("Delegates created: %ld\n", mono_stats.delegate_creations);
- g_print ("Initialized classes: %ld\n", mono_stats.initialized_class_count);
- g_print ("Used classes: %ld\n", mono_stats.used_class_count);
- g_print ("Generic vtables: %ld\n", mono_stats.generic_vtable_count);
- g_print ("Methods: %ld\n", mono_stats.method_count);
- g_print ("Static data size: %ld\n", mono_stats.class_static_data_size);
- g_print ("VTable data size: %ld\n", mono_stats.class_vtable_size);
- g_print ("Mscorlib mempool size: %d\n", mono_mempool_get_allocated (mono_defaults.corlib->mempool));
- g_print ("\nInitialized classes: %ld\n", mono_stats.generic_class_count);
- g_print ("Inflated types: %ld\n", mono_stats.inflated_type_count);
- g_print ("Generics virtual invokes: %ld\n", mono_jit_stats.generic_virtual_invocations);
- g_print ("Sharable generic methods: %ld\n", mono_stats.generics_sharable_methods);
- g_print ("Unsharable generic methods: %ld\n", mono_stats.generics_unsharable_methods);
- g_print ("Shared generic methods: %ld\n", mono_stats.generics_shared_methods);
- g_print ("Shared vtype generic methods: %ld\n", mono_stats.gsharedvt_methods);
- g_print ("Dynamic code allocs: %ld\n", mono_stats.dynamic_code_alloc_count);
- g_print ("Dynamic code bytes: %ld\n", mono_stats.dynamic_code_bytes_count);
- g_print ("Dynamic code frees: %ld\n", mono_stats.dynamic_code_frees_count);
- g_print ("IMT tables size: %ld\n", mono_stats.imt_tables_size);
- g_print ("IMT number of tables: %ld\n", mono_stats.imt_number_of_tables);
- g_print ("IMT number of methods: %ld\n", mono_stats.imt_number_of_methods);
- g_print ("IMT used slots: %ld\n", mono_stats.imt_used_slots);
- g_print ("IMT colliding slots: %ld\n", mono_stats.imt_slots_with_collisions);
- g_print ("IMT max collisions: %ld\n", mono_stats.imt_max_collisions_in_slot);
- g_print ("IMT methods at max col: %ld\n", mono_stats.imt_method_count_when_max_collisions);
- g_print ("IMT thunks size: %ld\n", mono_stats.imt_thunks_size);
- g_print ("JIT info table inserts: %ld\n", mono_stats.jit_info_table_insert_count);
- g_print ("JIT info table removes: %ld\n", mono_stats.jit_info_table_remove_count);
- g_print ("JIT info table lookups: %ld\n", mono_stats.jit_info_table_lookup_count);
- g_print ("Hazardous pointers: %ld\n", mono_stats.hazardous_pointer_count);
- if (mono_security_get_mode () == MONO_SECURITY_MODE_CAS) {
- g_print ("\nDecl security check : %ld\n", mono_jit_stats.cas_declsec_check);
- g_print ("LinkDemand (user) : %ld\n", mono_jit_stats.cas_linkdemand);
- g_print ("LinkDemand (icall) : %ld\n", mono_jit_stats.cas_linkdemand_icall);
- g_print ("LinkDemand (pinvoke) : %ld\n", mono_jit_stats.cas_linkdemand_pinvoke);
- g_print ("LinkDemand (aptc) : %ld\n", mono_jit_stats.cas_linkdemand_aptc);
- g_print ("Demand (code gen) : %ld\n", mono_jit_stats.cas_demand_generation);
- }
- g_free (mono_jit_stats.max_ratio_method);
- mono_jit_stats.max_ratio_method = NULL;
- g_free (mono_jit_stats.biggest_method);
- mono_jit_stats.biggest_method = NULL;
- }
- }
- void
- mini_cleanup (MonoDomain *domain)
- {
- mono_runtime_shutdown_stat_profiler ();
-
- #ifndef DISABLE_COM
- cominterop_release_all_rcws ();
- #endif
- #ifndef MONO_CROSS_COMPILE
- mono_runtime_shutdown ();
- /*
- * mono_runtime_cleanup() and mono_domain_finalize () need to
- * be called early since they need the execution engine still
- * fully working (mono_domain_finalize may invoke managed finalizers
- * and mono_runtime_cleanup will wait for other threads to finish).
- */
- mono_domain_finalize (domain, 2000);
- #endif
- /* This accesses metadata so needs to be called before runtime shutdown */
- print_jit_stats ();
- mono_profiler_shutdown ();
- #ifndef MONO_CROSS_COMPILE
- mono_runtime_cleanup (domain);
- #endif
- free_jit_tls_data (mono_native_tls_get_value (mono_jit_tls_id));
- mono_icall_cleanup ();
- mono_runtime_cleanup_handlers ();
- mono_domain_free (domain, TRUE);
- mono_debugger_cleanup ();
- #ifdef ENABLE_LLVM
- if (mono_use_llvm)
- mono_llvm_cleanup ();
- #endif
- mono_aot_cleanup ();
- mono_trampolines_cleanup ();
- mono_unwind_cleanup ();
- if (!mono_dont_free_global_codeman)
- mono_code_manager_destroy (global_codeman);
- g_hash_table_destroy (jit_icall_name_hash);
- g_free (emul_opcode_map);
- g_free (emul_opcode_opcodes);
- g_free (vtable_trampolines);
- mono_arch_cleanup ();
- mono_generic_sharing_cleanup ();
- mono_cleanup ();
- mono_trace_cleanup ();
- mono_counters_dump (-1, stdout);
- if (mono_inject_async_exc_method)
- mono_method_desc_free (mono_inject_async_exc_method);
- mono_native_tls_free (mono_jit_tls_id);
- DeleteCriticalSection (&jit_mutex);
- DeleteCriticalSection (&mono_delegate_section);
- #ifdef USE_JUMP_TABLES
- mono_jumptable_cleanup ();
- #endif
- }
- void
- mono_set_defaults (int verbose_level, guint32 opts)
- {
- mini_verbose = verbose_level;
- mono_set_optimizations (opts);
- }
- void
- mono_disable_optimizations (guint32 opts)
- {
- default_opt &= ~opts;
- }
- void
- mono_set_optimizations (guint32 opts)
- {
- default_opt = opts;
- default_opt_set = TRUE;
- #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
- mono_set_generic_sharing_vt_supported (mono_aot_only || ((default_opt & MONO_OPT_GSHAREDVT) != 0));
- #endif
- }
- void
- mono_set_verbose_level (guint32 level)
- {
- mini_verbose = level;
- }
- /**
- * mono_get_runtime_build_info:
- *
- * Return the runtime version + build date in string format.
- * The returned string is owned by the caller. The returned string
- * format is "VERSION (FULL_VERSION BUILD_DATE)" and build date is optional.
- */
- char*
- mono_get_runtime_build_info (void)
- {
- if (mono_build_date)
- return g_strdup_printf ("%s (%s %s)", VERSION, FULL_VERSION, mono_build_date);
- else
- return g_strdup_printf ("%s (%s)", VERSION, FULL_VERSION);
- }
- static void
- mono_precompile_assembly (MonoAssembly *ass, void *user_data)
- {
- GHashTable *assemblies = (GHashTable*)user_data;
- MonoImage *image = mono_assembly_get_image (ass);
- MonoMethod *method, *invoke;
- int i, count = 0;
- if (g_hash_table_lookup (assemblies, ass))
- return;
- g_hash_table_insert (assemblies, ass, ass);
- if (mini_verbose > 0)
- printf ("PRECOMPILE: %s.\n", mono_image_get_filename (image));
- for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_METHOD); ++i) {
- method = mono_get_method (image, MONO_TOKEN_METHOD_DEF | (i + 1), NULL);
- if (method->flags & METHOD_ATTRIBUTE_ABSTRACT)
- continue;
- count++;
- if (mini_verbose > 1) {
- char * desc = mono_method_full_name (method, TRUE);
- g_print ("Compiling %d %s\n", count, desc);
- g_free (desc);
- }
- mono_compile_method (method);
- if (strcmp (method->name, "Finalize") == 0) {
- invoke = mono_marshal_get_runtime_invoke (method, FALSE);
- mono_compile_method (invoke);
- }
- #ifndef DISABLE_REMOTING
- if (mono_class_is_marshalbyref (method->klass) && mono_method_signature (method)->hasthis) {
- invoke = mono_marshal_get_remoting_invoke_with_check (method);
- mono_compile_method (invoke);
- }
- #endif
- }
- /* Load and precompile referenced assemblies as well */
- for (i = 0; i < mono_image_get_table_rows (image, MONO_TABLE_ASSEMBLYREF); ++i) {
- mono_assembly_load_reference (image, i);
- if (image->references [i])
- mono_precompile_assembly (image->references [i], assemblies);
- }
- }
- void mono_precompile_assemblies ()
- {
- GHashTable *assemblies = g_hash_table_new (NULL, NULL);
- mono_assembly_foreach ((GFunc)mono_precompile_assembly, assemblies);
- g_hash_table_destroy (assemblies);
- }
- #ifndef DISABLE_JIT
- void*
- mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments) {
- return mono_arch_instrument_epilog_full (cfg, func, p, enable_arguments, FALSE);
- }
- void
- mono_cfg_add_try_hole (MonoCompile *cfg, MonoExceptionClause *clause, guint8 *start, MonoBasicBlock *bb)
- {
- TryBlockHole *hole = mono_mempool_alloc (cfg->mempool, sizeof (TryBlockHole));
- hole->clause = clause;
- hole->start_offset = start - cfg->native_code;
- hole->basic_block = bb;
- cfg->try_block_holes = g_slist_append_mempool (cfg->mempool, cfg->try_block_holes, hole);
- }
- void
- mono_cfg_set_exception (MonoCompile *cfg, int type)
- {
- cfg->exception_type = type;
- }
- #endif
- /* Dummy versions of some arch specific functions to avoid ifdefs at call sites */
- #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
- gboolean
- mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
- {
- return FALSE;
- }
- gpointer
- mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
- {
- g_assert_not_reached ();
- return NULL;
- }
- gpointer
- mono_arch_get_gsharedvt_arg_trampoline (MonoDomain *domain, gpointer arg, gpointer addr)
- {
- g_assert_not_reached ();
- return NULL;
- }
- gpointer
- mono_arch_get_gsharedvt_trampoline (MonoTrampInfo **info, gboolean aot)
- {
- g_assert_not_reached ();
- return NULL;
- }
- #endif
- #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED) && !defined(MONOTOUCH) && !defined(MONO_EXTENSIONS)
- gboolean
- mono_arch_gsharedvt_sig_supported (MonoMethodSignature *sig)
- {
- return FALSE;
- }
- gpointer
- mono_arch_get_gsharedvt_call_info (gpointer addr, MonoMethodSignature *normal_sig, MonoMethodSignature *gsharedvt_sig, MonoGenericSharingContext *gsctx, gboolean gsharedvt_in, gint32 vcall_offset, gboolean calli)
- {
- NOT_IMPLEMENTED;
- return NULL;
- }
- #endif
- #ifdef USE_JUMP_TABLES
- #define DEFAULT_JUMPTABLE_CHUNK_ELEMENTS 128
- typedef struct MonoJumpTableChunk {
- guint32 total;
- guint32 active;
- struct MonoJumpTableChunk *previous;
- /* gpointer entries[total]; */
- } MonoJumpTableChunk;
- static MonoJumpTableChunk* g_jumptable = NULL;
- #define mono_jumptable_lock() EnterCriticalSection (&jumptable_mutex)
- #define mono_jumptable_unlock() LeaveCriticalSection (&jumptable_mutex)
- static CRITICAL_SECTION jumptable_mutex;
- static MonoJumpTableChunk*
- mono_create_jumptable_chunk (guint32 max_entries)
- {
- guint32 size = sizeof (MonoJumpTableChunk) + max_entries * sizeof(gpointer);
- MonoJumpTableChunk *chunk = (MonoJumpTableChunk*) g_new0 (guchar, size);
- chunk->total = max_entries;
- return chunk;
- }
- void
- mono_jumptable_init (void)
- {
- if (g_jumptable == NULL) {
- InitializeCriticalSection (&jumptable_mutex);
- g_jumptable = mono_create_jumptable_chunk (DEFAULT_JUMPTABLE_CHUNK_ELEMENTS);
- }
- }
- gpointer*
- mono_jumptable_add_entry (void)
- {
- return mono_jumptable_add_entries (1);
- }
- gpointer*
- mono_jumptable_add_entries (guint32 entries)
- {
- guint32 index;
- gpointer *result;
- mono_jumptable_init ();
- mono_jumptable_lock ();
- index = g_jumptable->active;
- if (index + entries >= g_jumptable->total) {
- /*
- * Grow jumptable, by adding one more chunk.
- * We cannot realloc jumptable, as there could be pointers
- * to existing jump table entries in the code, so instead
- * we just add one more chunk.
- */
- guint32 max_entries = entries;
- MonoJumpTableChunk *new_chunk;
- if (max_entries < DEFAULT_JUMPTABLE_CHUNK_ELEMENTS)
- max_entries = DEFAULT_JUMPTABLE_CHUNK_ELEMENTS;
- new_chunk = mono_create_jumptable_chunk (max_entries);
- /* Link old jumptable, so that we could free it up later. */
- new_chunk->previous = g_jumptable;
- g_jumptable = new_chunk;
- index = 0;
- }
- g_jumptable->active = index + entries;
- result = (gpointer*)((guchar*)g_jumptable + sizeof(MonoJumpTableChunk)) + index;
- mono_jumptable_unlock();
- return result;
- }
- void
- mono_jumptable_cleanup (void)
- {
- if (g_jumptable) {
- MonoJumpTableChunk *current = g_jumptable, *prev;
- while (current != NULL) {
- prev = current->previous;
- g_free (current);
- current = prev;
- }
- g_jumptable = NULL;
- DeleteCriticalSection (&jumptable_mutex);
- }
- }
- gpointer*
- mono_jumptable_get_entry (guint8 *code_ptr)
- {
- return mono_arch_jumptable_entry_from_code (code_ptr);
- }
- #endif