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/* -----------------------------------------------------------------*-C-*-
ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc.
Copyright (C) 2007, 2008 Free Software Foundation, 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
/* ---- System specific configurations ----------------------------------- */
#if defined (POWERPC) && defined (__powerpc64__) /* linux64 */
#define POWERPC64
#elif defined (POWERPC_DARWIN) && defined (__ppc64__) /* Darwin */
#define POWERPC64
#elif defined (POWERPC_AIX) && defined (__64BIT__) /* AIX64 */
#define POWERPC64
#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,
# ifdef POWERPC64
FFI_DEFAULT_ABI = FFI_LINUX64,
# else
# if (!defined(__NO_FPRS__) && (__LDBL_MANT_DIG__ == 106))
FFI_DEFAULT_ABI = FFI_LINUX,
# else
# ifdef __NO_FPRS__
FFI_DEFAULT_ABI = FFI_LINUX_SOFT_FLOAT,
# else
FFI_DEFAULT_ABI = FFI_GCC_SYSV,
# endif
# endif
# 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
/* 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)
#if defined(POWERPC64) || defined(POWERPC_AIX)
#define FFI_TRAMPOLINE_SIZE 24
#else /* POWERPC || POWERPC_AIX */
#define FFI_TRAMPOLINE_SIZE 40
#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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