libffi/src/powerpc/ffitarget.h

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