enable darwin/x86 support for libffi and hence ctypes (doesn't yet support --enable-universalsdk)
This commit is contained in:
Bob Ippolito
parent
a99865b12e
commit
66c0935d67
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@ -3483,6 +3483,7 @@ fi
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TARGETDIR="unknown"
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case "$host" in
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i*86-*-darwin*) TARGET=X86_DARWIN; TARGETDIR=x86;;
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i*86-*-linux*) TARGET=X86; TARGETDIR=x86;;
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i*86-*-gnu*) TARGET=X86; TARGETDIR=x86;;
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i*86-*-solaris2.1[0-9]*) TARGET=X86_64; TARGETDIR=x86;;
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@ -5243,6 +5244,9 @@ presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
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esac
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if test x$TARGET = xSPARC; then
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echo "$as_me:$LINENO: checking assembler and linker support unaligned pc related relocs" >&5
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echo $ECHO_N "checking assembler and linker support unaligned pc related relocs... $ECHO_C" >&6
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@ -5470,7 +5474,15 @@ _ACEOF
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ac_config_commands="$ac_config_commands src"
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ac_config_links="$ac_config_links include/ffitarget.h:src/$TARGETDIR/ffitarget.h"
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TARGETINCDIR=$TARGETDIR
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case $host in
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*-*-darwin*)
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TARGETINCDIR="darwin"
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;;
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esac
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ac_config_links="$ac_config_links include/ffitarget.h:src/$TARGETINCDIR/ffitarget.h"
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ac_config_links="$ac_config_links include/ffi_common.h:include/ffi_common.h"
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@ -6017,7 +6029,7 @@ do
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# Handling of arguments.
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"include/ffi.h" ) CONFIG_FILES="$CONFIG_FILES include/ffi.h" ;;
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"fficonfig.py" ) CONFIG_FILES="$CONFIG_FILES fficonfig.py" ;;
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"include/ffitarget.h" ) CONFIG_LINKS="$CONFIG_LINKS include/ffitarget.h:src/$TARGETDIR/ffitarget.h" ;;
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"include/ffitarget.h" ) CONFIG_LINKS="$CONFIG_LINKS include/ffitarget.h:src/$TARGETINCDIR/ffitarget.h" ;;
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"include/ffi_common.h" ) CONFIG_LINKS="$CONFIG_LINKS include/ffi_common.h:include/ffi_common.h" ;;
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"include" ) CONFIG_COMMANDS="$CONFIG_COMMANDS include" ;;
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"src" ) CONFIG_COMMANDS="$CONFIG_COMMANDS src" ;;
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@ -21,6 +21,7 @@ AC_FUNC_MMAP_BLACKLIST
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TARGETDIR="unknown"
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case "$host" in
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i*86-*-darwin*) TARGET=X86_DARWIN; TARGETDIR=x86;;
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i*86-*-linux*) TARGET=X86; TARGETDIR=x86;;
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i*86-*-gnu*) TARGET=X86; TARGETDIR=x86;;
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i*86-*-solaris2.1[[0-9]]*) TARGET=X86_64; TARGETDIR=x86;;
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@ -99,6 +100,24 @@ fi
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AC_SUBST(HAVE_LONG_DOUBLE)
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AC_C_BIGENDIAN
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AH_VERBATIM([WORDS_BIGENDIAN],
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[
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/* Define to 1 if your processor stores words with the most significant byte
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first (like Motorola and SPARC, unlike Intel and VAX).
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The block below does compile-time checking for endianness on platforms
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that use GCC and therefore allows compiling fat binaries on OSX by using
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'-arch ppc -arch i386' as the compile flags. The phrasing was choosen
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such that the configure-result is used on systems that don't use GCC.
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*/
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#ifdef __BIG_ENDIAN__
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#define WORDS_BIGENDIAN 1
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#else
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#ifndef __LITTLE_ENDIAN__
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#undef WORDS_BIGENDIAN
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#endif
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#endif])
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if test x$TARGET = xSPARC; then
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AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
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@ -201,7 +220,15 @@ test -d src || mkdir src
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test -d src/$TARGETDIR || mkdir src/$TARGETDIR
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], [TARGETDIR="$TARGETDIR"])
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AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h)
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TARGETINCDIR=$TARGETDIR
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case $host in
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*-*-darwin*)
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TARGETINCDIR="darwin"
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;;
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esac
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AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETINCDIR/ffitarget.h)
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AC_CONFIG_LINKS(include/ffi_common.h:include/ffi_common.h)
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AC_CONFIG_FILES(include/ffi.h fficonfig.py)
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@ -114,9 +114,22 @@
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/* Define to 1 if you have the ANSI C header files. */
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#undef STDC_HEADERS
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/* Define to 1 if your processor stores words with the most significant byte
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first (like Motorola and SPARC, unlike Intel and VAX). */
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first (like Motorola and SPARC, unlike Intel and VAX).
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The block below does compile-time checking for endianness on platforms
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that use GCC and therefore allows compiling fat binaries on OSX by using
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'-arch ppc -arch i386' as the compile flags. The phrasing was choosen
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such that the configure-result is used on systems that don't use GCC.
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*/
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#ifdef __BIG_ENDIAN__
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#define WORDS_BIGENDIAN 1
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#else
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#ifndef __LITTLE_ENDIAN__
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#undef WORDS_BIGENDIAN
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#endif
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#endif
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#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
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@ -6,6 +6,7 @@ ffi_platforms = {
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'MIPS_IRIX': ['src/mips/ffi.c', 'src/mips/o32.S', 'src/mips/n32.S'],
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'MIPS_LINUX': ['src/mips/ffi.c', 'src/mips/o32.S'],
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'X86': ['src/x86/ffi.c', 'src/x86/sysv.S'],
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'X86_DARWIN': ['src/x86/ffi_darwin.c', 'src/x86/darwin.S'],
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'X86_WIN32': ['src/x86/ffi.c', 'src/x86/win32.S'],
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'SPARC': ['src/sparc/ffi.c', 'src/sparc/v8.S', 'src/sparc/v9.S'],
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'ALPHA': ['src/alpha/ffi.c', 'src/alpha/osf.S'],
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@ -26,6 +27,17 @@ ffi_platforms = {
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'PA': ['src/pa/linux.S', 'src/pa/ffi.c'],
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}
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# Build all darwin related files on all supported darwin architectures, this
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# makes it easier to build universal binaries.
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if 0:
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all_darwin = ('X86_DARWIN', 'POWERPC_DARWIN')
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all_darwin_files = []
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for pn in all_darwin:
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all_darwin_files.extend(ffi_platforms[pn])
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for pn in all_darwin:
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ffi_platforms[pn] = all_darwin_files
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del all_darwin, all_darwin_files, pn
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ffi_srcdir = '@srcdir@'
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ffi_sources += ffi_platforms['@MKTARGET@']
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ffi_sources = [os.path.join('@srcdir@', f) for f in ffi_sources]
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@ -1,3 +1,4 @@
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#ifdef __ppc__
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/* -----------------------------------------------------------------------
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darwin.S - Copyright (c) 2000 John Hornkvist
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Copyright (c) 2004 Free Software Foundation, Inc.
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@ -243,3 +244,4 @@ LEFDE1:
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.align LOG2_GPR_BYTES
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LLFB0$non_lazy_ptr:
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.g_long LFB0
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#endif
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@ -1,3 +1,4 @@
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#ifdef __ppc__
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/* -----------------------------------------------------------------------
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darwin_closure.S - Copyright (c) 2002, 2003, 2004, Free Software Foundation,
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Inc. based on ppc_closure.S
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@ -315,3 +316,4 @@ L_ffi_closure_helper_DARWIN$lazy_ptr:
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.align LOG2_GPR_BYTES
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LLFB1$non_lazy_ptr:
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.g_long LFB1
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#endif
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@ -1,3 +1,4 @@
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#ifdef __ppc__
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/* -----------------------------------------------------------------------
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ffi.c - Copyright (c) 1998 Geoffrey Keating
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@ -767,3 +768,4 @@ int ffi_closure_helper_DARWIN (ffi_closure* closure, void * rvalue,
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/* Tell ffi_closure_ASM to perform return type promotions. */
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return cif->rtype->type;
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}
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#endif
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@ -55,11 +55,29 @@ static ffi_status initialize_aggregate(/*@out@*/ ffi_type *arg)
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/* Perform a sanity check on the argument type */
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FFI_ASSERT_VALID_TYPE(*ptr);
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#ifdef POWERPC_DARWIN
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{
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int curalign;
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curalign = (*ptr)->alignment;
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if (ptr != &(arg->elements[0])) {
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if (curalign > 4 && curalign != 16) {
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curalign = 4;
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}
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}
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arg->size = ALIGN(arg->size, curalign);
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arg->size += (*ptr)->size;
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arg->alignment = (arg->alignment > curalign) ?
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arg->alignment : curalign;
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}
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#else
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arg->size = ALIGN(arg->size, (*ptr)->alignment);
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arg->size += (*ptr)->size;
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arg->alignment = (arg->alignment > (*ptr)->alignment) ?
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arg->alignment : (*ptr)->alignment;
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#endif
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ptr++;
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}
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@ -89,6 +107,19 @@ static ffi_status initialize_aggregate(/*@out@*/ ffi_type *arg)
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/* Perform machine independent ffi_cif preparation, then call
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machine dependent routine. */
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#ifdef X86_DARWIN
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static inline int struct_on_stack(int size)
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{
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if (size > 8) return 1;
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/* This is not what the ABI says, but is what is really implemented */
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switch (size) {
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case 1: case 2: case 4: case 8: return 0;
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return 1;
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}
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}
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#endif
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ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif,
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ffi_abi abi, unsigned int nargs,
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/*@dependent@*/ /*@out@*/ /*@partial@*/ ffi_type *rtype,
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@ -123,6 +154,10 @@ ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif,
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if (cif->rtype->type == FFI_TYPE_STRUCT
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#ifdef SPARC
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&& (cif->abi != FFI_V9 || cif->rtype->size > 32)
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#endif
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#ifdef X86_DARWIN
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&& (struct_on_stack(cif->rtype->size))
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#endif
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)
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bytes = STACK_ARG_SIZE(sizeof(void*));
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@ -139,7 +174,16 @@ ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif,
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check after the initialization. */
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FFI_ASSERT_VALID_TYPE(*ptr);
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#if !defined __x86_64__ && !defined S390 && !defined PA
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#if defined(X86_DARWIN)
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{
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int align = (*ptr)->alignment;
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if (align > 4) align = 4;
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if ((align - 1) & bytes)
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bytes = ALIGN(bytes, align);
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bytes += STACK_ARG_SIZE((*ptr)->size);
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}
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#elif !defined __x86_64__ && !defined S390 && !defined PA
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#ifdef SPARC
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if (((*ptr)->type == FFI_TYPE_STRUCT
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&& ((*ptr)->size > 16 || cif->abi != FFI_V9))
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@ -51,7 +51,7 @@ typedef enum ffi_abi {
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#endif
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/* ---- Intel x86 and AMD x86-64 - */
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#if !defined(X86_WIN32) && (defined(__i386__) || defined(__x86_64__))
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#if !defined(X86_WIN32) && (defined(__i386__) || defined(__x86_64__))
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FFI_SYSV,
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FFI_UNIX64, /* Unix variants all use the same ABI for x86-64 */
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#ifdef __i386__
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