enable darwin/x86 support for libffi and hence ctypes (doesn't yet support --enable-universalsdk)

This commit is contained in:
Bob Ippolito 2006-05-25 19:59:56 +00:00
parent a99865b12e
commit 66c0935d67
9 changed files with 120 additions and 6 deletions

View File

@ -3483,6 +3483,7 @@ fi
TARGETDIR="unknown"
case "$host" in
i*86-*-darwin*) TARGET=X86_DARWIN; TARGETDIR=x86;;
i*86-*-linux*) TARGET=X86; TARGETDIR=x86;;
i*86-*-gnu*) TARGET=X86; TARGETDIR=x86;;
i*86-*-solaris2.1[0-9]*) TARGET=X86_64; TARGETDIR=x86;;
@ -5243,6 +5244,9 @@ presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
esac
if test x$TARGET = xSPARC; then
echo "$as_me:$LINENO: checking assembler and linker support unaligned pc related relocs" >&5
echo $ECHO_N "checking assembler and linker support unaligned pc related relocs... $ECHO_C" >&6
@ -5470,7 +5474,15 @@ _ACEOF
ac_config_commands="$ac_config_commands src"
ac_config_links="$ac_config_links include/ffitarget.h:src/$TARGETDIR/ffitarget.h"
TARGETINCDIR=$TARGETDIR
case $host in
*-*-darwin*)
TARGETINCDIR="darwin"
;;
esac
ac_config_links="$ac_config_links include/ffitarget.h:src/$TARGETINCDIR/ffitarget.h"
ac_config_links="$ac_config_links include/ffi_common.h:include/ffi_common.h"
@ -6017,7 +6029,7 @@ do
# Handling of arguments.
"include/ffi.h" ) CONFIG_FILES="$CONFIG_FILES include/ffi.h" ;;
"fficonfig.py" ) CONFIG_FILES="$CONFIG_FILES fficonfig.py" ;;
"include/ffitarget.h" ) CONFIG_LINKS="$CONFIG_LINKS include/ffitarget.h:src/$TARGETDIR/ffitarget.h" ;;
"include/ffitarget.h" ) CONFIG_LINKS="$CONFIG_LINKS include/ffitarget.h:src/$TARGETINCDIR/ffitarget.h" ;;
"include/ffi_common.h" ) CONFIG_LINKS="$CONFIG_LINKS include/ffi_common.h:include/ffi_common.h" ;;
"include" ) CONFIG_COMMANDS="$CONFIG_COMMANDS include" ;;
"src" ) CONFIG_COMMANDS="$CONFIG_COMMANDS src" ;;

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@ -21,6 +21,7 @@ AC_FUNC_MMAP_BLACKLIST
TARGETDIR="unknown"
case "$host" in
i*86-*-darwin*) TARGET=X86_DARWIN; TARGETDIR=x86;;
i*86-*-linux*) TARGET=X86; TARGETDIR=x86;;
i*86-*-gnu*) TARGET=X86; TARGETDIR=x86;;
i*86-*-solaris2.1[[0-9]]*) TARGET=X86_64; TARGETDIR=x86;;
@ -99,6 +100,24 @@ fi
AC_SUBST(HAVE_LONG_DOUBLE)
AC_C_BIGENDIAN
AH_VERBATIM([WORDS_BIGENDIAN],
[
/* Define to 1 if your processor stores words with the most significant byte
first (like Motorola and SPARC, unlike Intel and VAX).
The block below does compile-time checking for endianness on platforms
that use GCC and therefore allows compiling fat binaries on OSX by using
'-arch ppc -arch i386' as the compile flags. The phrasing was choosen
such that the configure-result is used on systems that don't use GCC.
*/
#ifdef __BIG_ENDIAN__
#define WORDS_BIGENDIAN 1
#else
#ifndef __LITTLE_ENDIAN__
#undef WORDS_BIGENDIAN
#endif
#endif])
if test x$TARGET = xSPARC; then
AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
@ -201,7 +220,15 @@ test -d src || mkdir src
test -d src/$TARGETDIR || mkdir src/$TARGETDIR
], [TARGETDIR="$TARGETDIR"])
AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h)
TARGETINCDIR=$TARGETDIR
case $host in
*-*-darwin*)
TARGETINCDIR="darwin"
;;
esac
AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETINCDIR/ffitarget.h)
AC_CONFIG_LINKS(include/ffi_common.h:include/ffi_common.h)
AC_CONFIG_FILES(include/ffi.h fficonfig.py)

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@ -114,9 +114,22 @@
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Define to 1 if your processor stores words with the most significant byte
first (like Motorola and SPARC, unlike Intel and VAX). */
first (like Motorola and SPARC, unlike Intel and VAX).
The block below does compile-time checking for endianness on platforms
that use GCC and therefore allows compiling fat binaries on OSX by using
'-arch ppc -arch i386' as the compile flags. The phrasing was choosen
such that the configure-result is used on systems that don't use GCC.
*/
#ifdef __BIG_ENDIAN__
#define WORDS_BIGENDIAN 1
#else
#ifndef __LITTLE_ENDIAN__
#undef WORDS_BIGENDIAN
#endif
#endif
#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE

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@ -6,6 +6,7 @@ ffi_platforms = {
'MIPS_IRIX': ['src/mips/ffi.c', 'src/mips/o32.S', 'src/mips/n32.S'],
'MIPS_LINUX': ['src/mips/ffi.c', 'src/mips/o32.S'],
'X86': ['src/x86/ffi.c', 'src/x86/sysv.S'],
'X86_DARWIN': ['src/x86/ffi_darwin.c', 'src/x86/darwin.S'],
'X86_WIN32': ['src/x86/ffi.c', 'src/x86/win32.S'],
'SPARC': ['src/sparc/ffi.c', 'src/sparc/v8.S', 'src/sparc/v9.S'],
'ALPHA': ['src/alpha/ffi.c', 'src/alpha/osf.S'],
@ -26,6 +27,17 @@ ffi_platforms = {
'PA': ['src/pa/linux.S', 'src/pa/ffi.c'],
}
# Build all darwin related files on all supported darwin architectures, this
# makes it easier to build universal binaries.
if 0:
all_darwin = ('X86_DARWIN', 'POWERPC_DARWIN')
all_darwin_files = []
for pn in all_darwin:
all_darwin_files.extend(ffi_platforms[pn])
for pn in all_darwin:
ffi_platforms[pn] = all_darwin_files
del all_darwin, all_darwin_files, pn
ffi_srcdir = '@srcdir@'
ffi_sources += ffi_platforms['@MKTARGET@']
ffi_sources = [os.path.join('@srcdir@', f) for f in ffi_sources]

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@ -1,3 +1,4 @@
#ifdef __ppc__
/* -----------------------------------------------------------------------
darwin.S - Copyright (c) 2000 John Hornkvist
Copyright (c) 2004 Free Software Foundation, Inc.
@ -243,3 +244,4 @@ LEFDE1:
.align LOG2_GPR_BYTES
LLFB0$non_lazy_ptr:
.g_long LFB0
#endif

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@ -1,3 +1,4 @@
#ifdef __ppc__
/* -----------------------------------------------------------------------
darwin_closure.S - Copyright (c) 2002, 2003, 2004, Free Software Foundation,
Inc. based on ppc_closure.S
@ -315,3 +316,4 @@ L_ffi_closure_helper_DARWIN$lazy_ptr:
.align LOG2_GPR_BYTES
LLFB1$non_lazy_ptr:
.g_long LFB1
#endif

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@ -1,3 +1,4 @@
#ifdef __ppc__
/* -----------------------------------------------------------------------
ffi.c - Copyright (c) 1998 Geoffrey Keating
@ -767,3 +768,4 @@ int ffi_closure_helper_DARWIN (ffi_closure* closure, void * rvalue,
/* Tell ffi_closure_ASM to perform return type promotions. */
return cif->rtype->type;
}
#endif

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@ -55,11 +55,29 @@ static ffi_status initialize_aggregate(/*@out@*/ ffi_type *arg)
/* Perform a sanity check on the argument type */
FFI_ASSERT_VALID_TYPE(*ptr);
#ifdef POWERPC_DARWIN
{
int curalign;
curalign = (*ptr)->alignment;
if (ptr != &(arg->elements[0])) {
if (curalign > 4 && curalign != 16) {
curalign = 4;
}
}
arg->size = ALIGN(arg->size, curalign);
arg->size += (*ptr)->size;
arg->alignment = (arg->alignment > curalign) ?
arg->alignment : curalign;
}
#else
arg->size = ALIGN(arg->size, (*ptr)->alignment);
arg->size += (*ptr)->size;
arg->alignment = (arg->alignment > (*ptr)->alignment) ?
arg->alignment : (*ptr)->alignment;
#endif
ptr++;
}
@ -89,6 +107,19 @@ static ffi_status initialize_aggregate(/*@out@*/ ffi_type *arg)
/* Perform machine independent ffi_cif preparation, then call
machine dependent routine. */
#ifdef X86_DARWIN
static inline int struct_on_stack(int size)
{
if (size > 8) return 1;
/* This is not what the ABI says, but is what is really implemented */
switch (size) {
case 1: case 2: case 4: case 8: return 0;
return 1;
}
}
#endif
ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif,
ffi_abi abi, unsigned int nargs,
/*@dependent@*/ /*@out@*/ /*@partial@*/ ffi_type *rtype,
@ -123,6 +154,10 @@ ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif,
if (cif->rtype->type == FFI_TYPE_STRUCT
#ifdef SPARC
&& (cif->abi != FFI_V9 || cif->rtype->size > 32)
#endif
#ifdef X86_DARWIN
&& (struct_on_stack(cif->rtype->size))
#endif
)
bytes = STACK_ARG_SIZE(sizeof(void*));
@ -139,7 +174,16 @@ ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif,
check after the initialization. */
FFI_ASSERT_VALID_TYPE(*ptr);
#if !defined __x86_64__ && !defined S390 && !defined PA
#if defined(X86_DARWIN)
{
int align = (*ptr)->alignment;
if (align > 4) align = 4;
if ((align - 1) & bytes)
bytes = ALIGN(bytes, align);
bytes += STACK_ARG_SIZE((*ptr)->size);
}
#elif !defined __x86_64__ && !defined S390 && !defined PA
#ifdef SPARC
if (((*ptr)->type == FFI_TYPE_STRUCT
&& ((*ptr)->size > 16 || cif->abi != FFI_V9))

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@ -51,7 +51,7 @@ typedef enum ffi_abi {
#endif
/* ---- Intel x86 and AMD x86-64 - */
#if !defined(X86_WIN32) && (defined(__i386__) || defined(__x86_64__))
#if !defined(X86_WIN32) && (defined(__i386__) || defined(__x86_64__))
FFI_SYSV,
FFI_UNIX64, /* Unix variants all use the same ABI for x86-64 */
#ifdef __i386__