kc3-lang/libffi/src/powerpc/ffitarget.h

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• Hash : 83f65b63
  Author :
  Date : 2013-11-16T06:53:50
  

  Finally, this adds _CALL_ELF == 2 support. ELFv1 objects can't be linked with ELFv2 objects, so this is one case where preprocessor tests in ffi.c are fine. Also, there is no need to define a new FFI_ELFv2 or somesuch value in enum ffi_abi. FFI_LINUX64 will happily serve both ABIs.

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• src/powerpc/ffitarget.h

• /* -----------------------------------------------------------------*-C-*-
     ffitarget.h - Copyright (c) 2012  Anthony Green
                   Copyright (C) 2007, 2008, 2010 Free Software Foundation, Inc
                   Copyright (c) 1996-2003  Red Hat, Inc.
  
     Target configuration macros for PowerPC.
  
     Permission is hereby granted, free of charge, to any person obtaining
     a copy of this software and associated documentation files (the
     ``Software''), to deal in the Software without restriction, including
     without limitation the rights to use, copy, modify, merge, publish,
     distribute, sublicense, and/or sell copies of the Software, and to
     permit persons to whom the Software is furnished to do so, subject to
     the following conditions:
  
     The above copyright notice and this permission notice shall be included
     in all copies or substantial portions of the Software.
  
     THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     DEALINGS IN THE SOFTWARE.
  
     ----------------------------------------------------------------------- */
  
  #ifndef LIBFFI_TARGET_H
  #define LIBFFI_TARGET_H
  
  #ifndef LIBFFI_H
  #error "Please do not include ffitarget.h directly into your source.  Use ffi.h instead."
  #endif
  
  /* ---- System specific configurations ----------------------------------- */
  
  #if defined (POWERPC) && defined (__powerpc64__)	/* linux64 */
  #ifndef POWERPC64
  #define POWERPC64
  #endif
  #elif defined (POWERPC_DARWIN) && defined (__ppc64__)	/* Darwin64 */
  #ifndef POWERPC64
  #define POWERPC64
  #endif
  #ifndef POWERPC_DARWIN64
  #define POWERPC_DARWIN64
  #endif
  #elif defined (POWERPC_AIX) && defined (__64BIT__)	/* AIX64 */
  #ifndef POWERPC64
  #define POWERPC64
  #endif
  #endif
  
  #ifndef LIBFFI_ASM
  typedef unsigned long          ffi_arg;
  typedef signed long            ffi_sarg;
  
  typedef enum ffi_abi {
    FFI_FIRST_ABI = 0,
  
  #ifdef POWERPC
    FFI_SYSV,
    FFI_GCC_SYSV,
    FFI_LINUX64,
    FFI_LINUX,
    FFI_LINUX_SOFT_FLOAT,
  # if defined(POWERPC64)
    FFI_DEFAULT_ABI = FFI_LINUX64,
  # elif defined(__NO_FPRS__)
    FFI_DEFAULT_ABI = FFI_LINUX_SOFT_FLOAT,
  # elif (__LDBL_MANT_DIG__ == 106)
    FFI_DEFAULT_ABI = FFI_LINUX,
  # else
    FFI_DEFAULT_ABI = FFI_GCC_SYSV,
  # endif
  #endif
  
  #ifdef POWERPC_AIX
    FFI_AIX,
    FFI_DARWIN,
    FFI_DEFAULT_ABI = FFI_AIX,
  #endif
  
  #ifdef POWERPC_DARWIN
    FFI_AIX,
    FFI_DARWIN,
    FFI_DEFAULT_ABI = FFI_DARWIN,
  #endif
  
  #ifdef POWERPC_FREEBSD
    FFI_SYSV,
    FFI_GCC_SYSV,
    FFI_LINUX64,
    FFI_LINUX,
    FFI_LINUX_SOFT_FLOAT,
    FFI_DEFAULT_ABI = FFI_SYSV,
  #endif
  
    FFI_LAST_ABI
  } ffi_abi;
  #endif
  
  /* ---- Definitions for closures ----------------------------------------- */
  
  #define FFI_CLOSURES 1
  #define FFI_NATIVE_RAW_API 0
  #if defined (POWERPC) || defined (POWERPC_FREEBSD)
  # define FFI_TARGET_SPECIFIC_VARIADIC 1
  # define FFI_EXTRA_CIF_FIELDS unsigned nfixedargs
  #endif
  
  /* For additional types like the below, take care about the order in
     ppc_closures.S. They must follow after the FFI_TYPE_LAST.  */
  
  /* Needed for soft-float long-double-128 support.  */
  #define FFI_TYPE_UINT128 (FFI_TYPE_LAST + 1)
  
  /* Needed for FFI_SYSV small structure returns.
     We use two flag bits, (FLAG_SYSV_SMST_R3, FLAG_SYSV_SMST_R4) which are
     defined in ffi.c, to determine the exact return type and its size.  */
  #define FFI_SYSV_TYPE_SMALL_STRUCT (FFI_TYPE_LAST + 2)
  
  /* Used by ELFv2 for homogenous structure returns.  */
  #define FFI_V2_TYPE_FLOAT_HOMOG		(FFI_TYPE_LAST + 1)
  #define FFI_V2_TYPE_DOUBLE_HOMOG	(FFI_TYPE_LAST + 2)
  #define FFI_V2_TYPE_SMALL_STRUCT	(FFI_TYPE_LAST + 3)
  
  #if _CALL_ELF == 2
  # define FFI_TRAMPOLINE_SIZE 32
  #else
  # if defined(POWERPC64) || defined(POWERPC_AIX)
  #  if defined(POWERPC_DARWIN64)
  #    define FFI_TRAMPOLINE_SIZE 48
  #  else
  #    define FFI_TRAMPOLINE_SIZE 24
  #  endif
  # else /* POWERPC || POWERPC_AIX */
  #  define FFI_TRAMPOLINE_SIZE 40
  # endif
  #endif
  
  #ifndef LIBFFI_ASM
  #if defined(POWERPC_DARWIN) || defined(POWERPC_AIX)
  struct ffi_aix_trampoline_struct {
      void * code_pointer;	/* Pointer to ffi_closure_ASM */
      void * toc;			/* TOC */
      void * static_chain;	/* Pointer to closure */
  };
  #endif
  #endif
  
  #endif
  

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