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/Modules/_ctypes/libffi/src/powerpc/ffitarget.h

http://unladen-swallow.googlecode.com/
C++ Header | 118 lines | 68 code | 18 blank | 32 comment | 6 complexity | f9aa53a88d448b422cc7f279d1c64a02 MD5 | raw file
  1/* -----------------------------------------------------------------*-C-*-
  2   ffitarget.h - Copyright (c) 1996-2003  Red Hat, Inc.
  3   Copyright (C) 2007 Free Software Foundation, Inc
  4   Target configuration macros for PowerPC.
  5
  6   Permission is hereby granted, free of charge, to any person obtaining
  7   a copy of this software and associated documentation files (the
  8   ``Software''), to deal in the Software without restriction, including
  9   without limitation the rights to use, copy, modify, merge, publish,
 10   distribute, sublicense, and/or sell copies of the Software, and to
 11   permit persons to whom the Software is furnished to do so, subject to
 12   the following conditions:
 13
 14   The above copyright notice and this permission notice shall be included
 15   in all copies or substantial portions of the Software.
 16
 17   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
 18   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 19   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 20   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 21   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 22   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 23   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 24   DEALINGS IN THE SOFTWARE.
 25
 26   ----------------------------------------------------------------------- */
 27
 28#ifndef LIBFFI_TARGET_H
 29#define LIBFFI_TARGET_H
 30
 31/* ---- System specific configurations ----------------------------------- */
 32
 33#if defined (POWERPC) && defined (__powerpc64__)
 34#define POWERPC64
 35#endif
 36
 37#ifndef LIBFFI_ASM
 38typedef unsigned long          ffi_arg;
 39typedef signed long            ffi_sarg;
 40
 41typedef enum ffi_abi {
 42  FFI_FIRST_ABI = 0,
 43
 44#ifdef POWERPC
 45  FFI_SYSV,
 46  FFI_GCC_SYSV,
 47  FFI_LINUX64,
 48  FFI_LINUX,
 49  FFI_LINUX_SOFT_FLOAT,
 50# ifdef POWERPC64
 51  FFI_DEFAULT_ABI = FFI_LINUX64,
 52# else
 53#  if (!defined(__NO_FPRS__) && (__LDBL_MANT_DIG__ == 106))
 54  FFI_DEFAULT_ABI = FFI_LINUX,
 55#  else
 56#   ifdef __NO_FPRS__
 57  FFI_DEFAULT_ABI = FFI_LINUX_SOFT_FLOAT,
 58#   else
 59  FFI_DEFAULT_ABI = FFI_GCC_SYSV,
 60#   endif
 61#  endif
 62# endif
 63#endif
 64
 65#ifdef POWERPC_AIX
 66  FFI_AIX,
 67  FFI_DARWIN,
 68  FFI_DEFAULT_ABI = FFI_AIX,
 69#endif
 70
 71#ifdef POWERPC_DARWIN
 72  FFI_AIX,
 73  FFI_DARWIN,
 74  FFI_DEFAULT_ABI = FFI_DARWIN,
 75#endif
 76
 77#ifdef POWERPC_FREEBSD
 78  FFI_SYSV,
 79  FFI_GCC_SYSV,
 80  FFI_LINUX64,
 81  FFI_DEFAULT_ABI = FFI_SYSV,
 82#endif
 83
 84  FFI_LAST_ABI
 85} ffi_abi;
 86#endif
 87
 88/* ---- Definitions for closures ----------------------------------------- */
 89
 90#define FFI_CLOSURES 1
 91#define FFI_NATIVE_RAW_API 0
 92
 93/* For additional types like the below, take care about the order in
 94   ppc_closures.S. They must follow after the FFI_TYPE_LAST.  */
 95
 96/* Needed for soft-float long-double-128 support.  */
 97#define FFI_TYPE_UINT128 (FFI_TYPE_LAST + 1)
 98
 99/* Needed for FFI_SYSV small structure returns.  */
100#define FFI_SYSV_TYPE_SMALL_STRUCT (FFI_TYPE_LAST + 2)
101
102#if defined(POWERPC64) || defined(POWERPC_AIX)
103#define FFI_TRAMPOLINE_SIZE 24
104#else /* POWERPC || POWERPC_AIX */
105#define FFI_TRAMPOLINE_SIZE 40
106#endif
107
108#ifndef LIBFFI_ASM
109#if defined(POWERPC_DARWIN) || defined(POWERPC_AIX)
110struct ffi_aix_trampoline_struct {
111    void * code_pointer;	/* Pointer to ffi_closure_ASM */
112    void * toc;			/* TOC */
113    void * static_chain;	/* Pointer to closure */
114};
115#endif
116#endif
117
118#endif