/* -----------------------------------------------------------------*-C-*-
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ffitarget.h - Copyright (c) 2012 Anthony Green
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Copyright (C) 2007, 2008, 2010 Free Software Foundation, Inc
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Copyright (c) 1996-2003 Red Hat, 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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#ifndef LIBFFI_H
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#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead."
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#endif
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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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#if defined (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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FFI_LAST_ABI
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#elif defined (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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FFI_LAST_ABI
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#else
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/* The FFI_COMPAT values are used by old code. Since libffi may be
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a shared library we have to support old values for backwards
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compatibility. */
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FFI_COMPAT_SYSV,
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FFI_COMPAT_GCC_SYSV,
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FFI_COMPAT_LINUX64,
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FFI_COMPAT_LINUX,
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FFI_COMPAT_LINUX_SOFT_FLOAT,
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# if defined (POWERPC64)
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/* This bit, always set in new code, must not be set in any of the
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old FFI_COMPAT values that might be used for 64-bit linux. We
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only need worry about FFI_COMPAT_LINUX64, but to be safe avoid
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all old values. */
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FFI_LINUX = 8,
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/* This and following bits can reuse FFI_COMPAT values. */
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FFI_LINUX_STRUCT_ALIGN = 1,
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FFI_LINUX_LONG_DOUBLE_128 = 2,
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FFI_DEFAULT_ABI = (FFI_LINUX
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# ifdef __STRUCT_PARM_ALIGN__
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| FFI_LINUX_STRUCT_ALIGN
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# endif
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# ifdef __LONG_DOUBLE_128__
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| FFI_LINUX_LONG_DOUBLE_128
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# endif
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),
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FFI_LAST_ABI = 12
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# else
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/* This bit, always set in new code, must not be set in any of the
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old FFI_COMPAT values that might be used for 32-bit linux/sysv/bsd. */
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FFI_SYSV = 8,
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/* This and following bits can reuse FFI_COMPAT values. */
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FFI_SYSV_SOFT_FLOAT = 1,
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FFI_SYSV_STRUCT_RET = 2,
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FFI_SYSV_IBM_LONG_DOUBLE = 4,
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FFI_SYSV_LONG_DOUBLE_128 = 16,
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FFI_DEFAULT_ABI = (FFI_SYSV
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# ifdef __NO_FPRS__
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| FFI_SYSV_SOFT_FLOAT
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# endif
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# if (defined (__SVR4_STRUCT_RETURN) \
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|| defined (POWERPC_FREEBSD) && !defined (__AIX_STRUCT_RETURN))
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| FFI_SYSV_STRUCT_RET
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# endif
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# if __LDBL_MANT_DIG__ == 106
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| FFI_SYSV_IBM_LONG_DOUBLE
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# endif
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# ifdef __LONG_DOUBLE_128__
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| FFI_SYSV_LONG_DOUBLE_128
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# endif
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),
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FFI_LAST_ABI = 32
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# endif
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#endif
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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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#if defined (POWERPC) || defined (POWERPC_FREEBSD)
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# define FFI_TARGET_SPECIFIC_VARIADIC 1
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# define FFI_EXTRA_CIF_FIELDS unsigned nfixedargs
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#endif
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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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#define FFI_SYSV_TYPE_SMALL_STRUCT (FFI_TYPE_LAST + 2)
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/* Used by ELFv2 for homogenous structure returns. */
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#define FFI_V2_TYPE_FLOAT_HOMOG (FFI_TYPE_LAST + 1)
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#define FFI_V2_TYPE_DOUBLE_HOMOG (FFI_TYPE_LAST + 2)
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#define FFI_V2_TYPE_SMALL_STRUCT (FFI_TYPE_LAST + 3)
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#if _CALL_ELF == 2
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# define FFI_TRAMPOLINE_SIZE 32
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#else
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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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#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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