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