/tools/Ruby/lib/ruby/1.8/i386-mingw32/dl.h
http://github.com/agross/netopenspace · C Header · 313 lines · 266 code · 38 blank · 9 comment · 17 complexity · 6410dc24c177e15b0df2f3cb357e9dc6 MD5 · raw file
- /* -*- C -*-
- * $Id: dl.h 11708 2007-02-12 23:01:19Z shyouhei $
- */
- #ifndef RUBY_DL_H
- #define RUBY_DL_H
- #include <ruby.h>
- #include <dlconfig.h>
- #if defined(HAVE_DLFCN_H)
- # include <dlfcn.h>
- # /* some stranger systems may not define all of these */
- #ifndef RTLD_LAZY
- #define RTLD_LAZY 0
- #endif
- #ifndef RTLD_GLOBAL
- #define RTLD_GLOBAL 0
- #endif
- #ifndef RTLD_NOW
- #define RTLD_NOW 0
- #endif
- #else
- # if defined(HAVE_WINDOWS_H)
- # include <windows.h>
- # define dlclose(ptr) FreeLibrary((HINSTANCE)ptr)
- # define dlopen(name,flag) ((void*)LoadLibrary(name))
- # define dlerror() "unknown error"
- # define dlsym(handle,name) ((void*)GetProcAddress(handle,name))
- # define RTLD_LAZY -1
- # define RTLD_NOW -1
- # define RTLD_GLOBAL -1
- # endif
- #endif
- #if !defined(StringValue)
- # define StringValue(v) if(TYPE(v) != T_STRING) v = rb_str_to_str(v)
- #endif
- #if !defined(StringValuePtr)
- # define StringValuePtr(v) RSTRING((TYPE(v) == T_STRING) ? (v) : rb_str_to_str(v))->ptr
- #endif
- #ifdef DEBUG
- #define DEBUG_CODE(b) {printf("DEBUG:%d\n",__LINE__);b;}
- #define DEBUG_CODE2(b1,b2) {printf("DEBUG:%d\n",__LINE__);b1;}
- #else
- #define DEBUG_CODE(b)
- #define DEBUG_CODE2(b1,b2) b2
- #endif
- #define VOID_DLTYPE 0x00
- #define CHAR_DLTYPE 0x01
- #define SHORT_DLTYPE 0x02
- #define INT_DLTYPE 0x03
- #define LONG_DLTYPE 0x04
- #define FLOAT_DLTYPE 0x05
- #define DOUBLE_DLTYPE 0x06
- #define VOIDP_DLTYPE 0x07
- #define ARG_TYPE(x,i) (((x) & (0x07 << ((i)*3))) >> ((i)*3))
- #define PUSH_ARG(x,t) do{x <<= 3; x |= t;}while(0)
- #define PUSH_0(x) PUSH_ARG(x,VOID_DLTYPE)
- #if SIZEOF_INT == SIZEOF_LONG
- # define PUSH_I(x) PUSH_ARG(x,LONG_DLTYPE)
- # define ANY2I(x) x.l
- # define DLINT(x) (long)x
- #else
- # define PUSH_I(x) PUSH_ARG(x,INT_DLTYPE)
- # define ANY2I(x) x.i
- # define DLINT(x) (int)x
- #endif
- #define PUSH_L(x) PUSH_ARG(x,LONG_DLTYPE)
- #define ANY2L(x) x.l
- #define DLLONG(x) (long)x
- #if defined(WITH_TYPE_FLOAT)
- # if SIZEOF_FLOAT == SIZEOF_DOUBLE
- # define PUSH_F(x) PUSH_ARG(x,DOUBLE_DLTYPE)
- # define ANY2F(x) (x.d)
- # define DLFLOAT(x) ((double)x)
- # else
- # define PUSH_F(x) PUSH_ARG(x,FLOAT_DLTYPE)
- # define ANY2F(x) (x.f)
- # define DLFLOAT(x) ((float)x)
- # endif
- #else
- # define PUSH_F(x) PUSH_ARG(x,DOUBLE_DLTYPE)
- # define ANY2F(x) (x.d)
- # define DLFLOAT(x) ((double)x)
- #endif
- #define PUSH_D(x) PUSH_ARG(x,DOUBLE_DLTYPE)
- #define ANY2D(x) (x.d)
- #define DLDOUBLE(x) ((double)x)
- #if SIZEOF_INT == SIZEOF_VOIDP && SIZEOF_INT != SIZEOF_LONG
- # define PUSH_P(x) PUSH_ARG(x,INT_DLTYPE)
- # define ANY2P(x) (x.i)
- # define DLVOIDP(x) ((int)x)
- #elif SIZEOF_LONG == SIZEOF_VOIDP
- # define PUSH_P(x) PUSH_ARG(x,LONG_DLTYPE)
- # define ANY2P(x) (x.l)
- # define DLVOIDP(x) ((long)x)
- #else
- # define PUSH_P(x) PUSH_ARG(x,VOIDP_DLTYPE)
- # define ANY2P(x) (x.p)
- # define DLVOIDP(x) ((void*)p)
- #endif
- #if defined(WITH_TYPE_CHAR)
- # define PUSH_C(x) PUSH_ARG(x,CHAR_DLTYPE)
- # define ANY2C(x) (x.c)
- # define DLCHAR(x) ((char)x)
- #else
- # define PUSH_C(x) PUSH_I(x)
- # define ANY2C(x) ANY2I(x)
- # define DLCHAR(x) DLINT(x)
- #endif
- #if defined(WITH_TYPE_SHORT)
- # define PUSH_H(x) PUSH_ARG(x,SHORT_DLTYPE)
- # define ANY2H(x) (x.h)
- # define DLSHORT(x) ((short)x)
- #else
- # define PUSH_H(x) PUSH_I(x)
- # define ANY2H(x) ANY2I(x)
- # define DLSHORT(x) DLINT(x)
- #endif
- #define PUSH_S(x) PUSH_P(x)
- #define ANY2S(x) ANY2P(x)
- #define DLSTR(x) DLVOIDP(x)
- #define CBPUSH_0(x) PUSH_0(x)
- #define CBPUSH_C(x) PUSH_C(x)
- #define CBPUSH_H(x) PUSH_H(x)
- #define CBPUSH_I(x) PUSH_I(x)
- #define CBPUSH_L(x) PUSH_L(x)
- #define CBPUSH_F(x) PUSH_F(x)
- #define CBPUSH_D(x) PUSH_D(x)
- #if defined(WITH_CBTYPE_VOIDP)
- # define CBPUSH_P(x) PUSH_ARG(x,VOIDP_DLTYPE)
- #else
- # define CBPUSH_P(x) PUSH_P(x)
- #endif
- #if defined(USE_INLINE_ASM)
- # if defined(__i386__) && defined(__GNUC__)
- # define DLSTACK
- # define DLSTACK_METHOD "asm"
- # define DLSTACK_REVERSE
- # define DLSTACK_PROTO
- # define DLSTACK_ARGS
- # define DLSTACK_START(sym)
- # define DLSTACK_END(sym)
- # define DLSTACK_PUSH_C(x) asm volatile ("pushl %0" :: "g" (x));
- # define DLSTACK_PUSH_H(x) asm volatile ("pushl %0" :: "g" (x));
- # define DLSTACK_PUSH_I(x) asm volatile ("pushl %0" :: "g" (x));
- # define DLSTACK_PUSH_L(x) asm volatile ("pushl %0" :: "g" (x));
- # define DLSTACK_PUSH_P(x) asm volatile ("pushl %0" :: "g" (x));
- # define DLSTACK_PUSH_F(x) asm volatile ("flds %0"::"g"(x));\
- asm volatile ("subl $4,%esp");\
- asm volatile ("fstps (%esp)");
- # define DLSTACK_PUSH_D(x) asm volatile ("fldl %0"::"g"(x));\
- asm volatile ("subl $8,%esp");\
- asm volatile ("fstpl (%esp)")
- # else
- # error --with-asm is not supported on this machine
- # endif
- #elif defined(USE_DLSTACK)
- # define DLSTACK
- # define DLSTACK_GUARD
- # define DLSTACK_METHOD "dl"
- # define DLSTACK_PROTO long,long,long,long,long,\
- long,long,long,long,long,\
- long,long,long,long,long
- # define DLSTACK_ARGS stack[0],stack[1],stack[2],stack[3],stack[4],\
- stack[5],stack[6],stack[7],stack[8],stack[9],\
- stack[10],stack[11],stack[12],stack[13],stack[14]
- # define DLSTACK_SIZE (sizeof(long)*15)
- # define DLSTACK_START(sym)
- # define DLSTACK_END(sym)
- # define DLSTACK_PUSH_C(x) {long v=(long)x; memcpy(sp,&v,sizeof(long)); sp++;}
- # define DLSTACK_PUSH_H(x) {long v=(long)x; memcpy(sp,&v,sizeof(long)); sp++;}
- # define DLSTACK_PUSH_I(x) {long v=(long)x; memcpy(sp,&v,sizeof(long)); sp++;}
- # define DLSTACK_PUSH_L(x) memcpy(sp,&x,sizeof(long)); sp++;
- # define DLSTACK_PUSH_P(x) memcpy(sp,&x,sizeof(void*)); sp++;
- # define DLSTACK_PUSH_F(x) memcpy(sp,&x,sizeof(float)); sp+=sizeof(float)/sizeof(long);
- # define DLSTACK_PUSH_D(x) memcpy(sp,&x,sizeof(double)); sp+=sizeof(double)/sizeof(long);
- #else
- # define DLSTACK_METHOD "none"
- #endif
- extern VALUE rb_mDL;
- extern VALUE rb_mDLMemorySpace;
- extern VALUE rb_cDLHandle;
- extern VALUE rb_cDLSymbol;
- extern VALUE rb_cDLPtrData;
- extern VALUE rb_cDLStructData;
- extern VALUE rb_eDLError;
- extern VALUE rb_eDLTypeError;
- #if defined(LONG2NUM) && (SIZEOF_LONG == SIZEOF_VOIDP)
- # define DLLONG2NUM(x) LONG2NUM((long)x)
- # define DLNUM2LONG(x) (long)(NUM2LONG(x))
- #else
- # define DLLONG2NUM(x) INT2NUM((long)x)
- # define DLNUM2LONG(x) (long)(NUM2INT(x))
- #endif
- typedef struct { char c; void *x; } s_voidp;
- typedef struct { char c; short x; } s_short;
- typedef struct { char c; int x; } s_int;
- typedef struct { char c; long x; } s_long;
- typedef struct { char c; float x; } s_float;
- typedef struct { char c; double x; } s_double;
- #define ALIGN_VOIDP (sizeof(s_voidp) - sizeof(void *))
- #define ALIGN_SHORT (sizeof(s_short) - sizeof(short))
- #define ALIGN_INT (sizeof(s_int) - sizeof(int))
- #define ALIGN_LONG (sizeof(s_long) - sizeof(long))
- #define ALIGN_FLOAT (sizeof(s_float) - sizeof(float))
- #define ALIGN_DOUBLE (sizeof(s_double) - sizeof(double))
- /* for compatibility */
- #define VOIDP_ALIGN ALIGN_VOIDP
- #define SHORT_ALIGN ALIGN_SHORT
- #define INT_ALIGN ALIGN_INT
- #define LONG_ALIGN ALIGN_LONG
- #define FLOAT_ALIGN ALIGN_FLOAT
- #define DOUBLE_ALIGN ALIGN_DOUBLE
- #define DLALIGN(ptr,offset,align) {\
- while( (((unsigned long)((char *)ptr + offset)) % align) != 0 ) offset++;\
- }
- typedef void (*freefunc_t)(void *);
- #define DLFREEFUNC(func) ((freefunc_t)(func))
- typedef union {
- void* p;
- char c;
- short h;
- int i;
- long l;
- float f;
- double d;
- char *s;
- } ANY_TYPE;
- struct dl_handle {
- void *ptr;
- int open;
- int enable_close;
- };
- struct sym_data {
- void *func;
- char *name;
- char *type;
- int len;
- };
- enum DLPTR_CTYPE {
- DLPTR_CTYPE_UNKNOWN,
- DLPTR_CTYPE_STRUCT,
- DLPTR_CTYPE_UNION
- };
- struct ptr_data {
- void *ptr; /* a pointer to the data */
- freefunc_t free; /* free() */
- char *stype; /* array of type specifiers */
- int *ssize; /* size[i] = sizeof(type[i]) > 0 */
- int slen; /* the number of type specifiers */
- ID *ids;
- int ids_num;
- int ctype; /* DLPTR_CTYPE_UNKNOWN, DLPTR_CTYPE_STRUCT, DLPTR_CTYPE_UNION */
- long size;
- };
- #define RDLPTR(obj) ((struct ptr_data *)(DATA_PTR(obj)))
- #define RDLSYM(obj) ((struct sym_data *)(DATA_PTR(obj)))
- void dlfree(void*);
- void *dlmalloc(size_t);
- void *dlrealloc(void*,size_t);
- char *dlstrdup(const char *);
- size_t dlsizeof(const char *);
- void *rb_ary2cary(char t, VALUE ary, long *size);
- /*
- void rb_dlmem_delete(void *ptr);
- void rb_dlmem_aset(void *ptr, VALUE obj);
- VALUE rb_dlmem_aref(void *ptr);
- */
- void dlptr_free(struct ptr_data *data);
- void dlptr_init(VALUE val);
- VALUE rb_dlptr_new(void *ptr, long size, freefunc_t func);
- VALUE rb_dlptr_new2(VALUE klass, void *ptr, long size, freefunc_t func);
- VALUE rb_dlptr_malloc(long size, freefunc_t func);
- void *rb_dlptr2cptr(VALUE val);
- VALUE rb_dlsym_new(void (*func)(), const char *name, const char *type);
- freefunc_t rb_dlsym2csym(VALUE val);
- #endif /* RUBY_DL_H */