Anthony Green
parent
fc28e435cf
commit
3ac097a580
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@ -49,6 +49,29 @@
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* src/arm/sysv.S (__ARM_ARCH__): Define for processor
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__ARM_ARCH_7EM__.
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2010-01-15 Anthony Green <green@redhat.com>
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* README: Add notes on building with Microsoft Visual C++.
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2010-01-15 Daniel Witte <dwitte@mozilla.com>
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* msvcc.sh: New file.
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* src/x86/win32.S: Port assembly routines to MSVC and #ifdef.
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* src/x86/ffi.c: Tweak function declaration and remove excess
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parens.
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* include/ffi.h.in: Add __declspec(align(8)) to typedef struct
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ffi_closure.
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* src/x86/ffi.c: Merge ffi_call_SYSV and ffi_call_STDCALL into new
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function ffi_call_win32 on X86_WIN32.
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* src/x86/win32.S (ffi_call_SYSV): Rename to ffi_call_win32.
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(ffi_call_STDCALL): Remove.
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* src/prep_cif.c (ffi_prep_cif): Move stack space allocation code
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to ffi_prep_cif_machdep for x86.
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* src/x86/ffi.c (ffi_prep_cif_machdep): To here.
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2010-01-15 Oliver Kiddle <okiddle@yahoo.co.uk>
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* src/x86/ffitarget.h (ffi_abi): Check for __i386 and __amd64 for
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@ -110,6 +110,14 @@ will add some extra code which will suppress certain warnings when you
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are using Purify with libffi. Only use this switch when using
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Purify, as it will slow down the library.
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It's also possible to build libffi on Windows platforms with
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Microsoft's Visual C++ compiler. In this case, use the msvcc.sh
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wrapper script during configuration like so:
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path/to/configure --enable-shared --enable-static \
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CC=path/to/msvcc.sh LD=link \
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CPP=\"cl -nologo -EP\"
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Configure has many other options. Use "configure --help" to see them all.
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Once configure has finished, type "make". Note that you must be using
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@ -126,6 +134,12 @@ History
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See the ChangeLog files for details.
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3.0.10 ???-??-??
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Fix the N64 build on mips-sgi-irix6.5.
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Testsuite fixes for Tru64 Unix.
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Enable builds with Microsoft's compiler.
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Enable x86 builds with Sun's compiler.
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3.0.9 Dec-31-09
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Add AVR32 and win64 ports. Add ARM softfp support.
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Many fixes for AIX, Solaris, HP-UX, *BSD.
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@ -251,6 +251,9 @@ size_t ffi_java_raw_size (ffi_cif *cif);
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#if FFI_CLOSURES
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#ifdef _MSC_VER
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__declspec(align(8))
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#endif
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typedef struct {
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char tramp[FFI_TRAMPOLINE_SIZE];
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ffi_cif *cif;
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@ -109,15 +109,12 @@ ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs,
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/* Perform a sanity check on the return type */
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FFI_ASSERT_VALID_TYPE(cif->rtype);
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/* x86-64 and s390 stack space allocation is handled in prep_machdep. */
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#if !defined M68K && !defined __x86_64__ && !defined S390 && !defined PA
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/* x86, x86-64 and s390 stack space allocation is handled in prep_machdep. */
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#if !defined M68K && !defined __i386__ && !defined __x86_64__ && !defined S390 && !defined PA
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/* Make space for the return structure pointer */
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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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&& (cif->rtype->size > 8)
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#endif
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)
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bytes = STACK_ARG_SIZE(sizeof(void*));
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@ -134,7 +131,7 @@ ffi_status ffi_prep_cif(ffi_cif *cif, ffi_abi abi, unsigned int nargs,
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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 __i386__ && !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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@ -148,13 +148,13 @@ void ffi_prep_args(char *stack, extended_cif *ecif)
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/* Perform machine dependent cif processing */
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ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
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{
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unsigned int i;
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ffi_type **ptr;
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/* Set the return type flag */
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switch (cif->rtype->type)
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{
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case FFI_TYPE_VOID:
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#ifdef X86
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case FFI_TYPE_STRUCT:
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#endif
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#if defined(X86) || defined (X86_WIN32) || defined(X86_FREEBSD) || defined(X86_DARWIN) || defined(X86_WIN64)
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case FFI_TYPE_UINT8:
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case FFI_TYPE_UINT16:
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@ -165,7 +165,6 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
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case FFI_TYPE_UINT32:
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case FFI_TYPE_SINT32:
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#endif
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case FFI_TYPE_SINT64:
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case FFI_TYPE_FLOAT:
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case FFI_TYPE_DOUBLE:
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@ -184,8 +183,8 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
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cif->flags = FFI_TYPE_SINT64;
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break;
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#ifndef X86
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case FFI_TYPE_STRUCT:
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#ifndef X86
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if (cif->rtype->size == 1)
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{
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cif->flags = FFI_TYPE_SMALL_STRUCT_1B; /* same as char size */
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@ -207,15 +206,13 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
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cif->flags = FFI_TYPE_SINT64; /* same as int64 type */
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}
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else
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#endif
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{
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cif->flags = FFI_TYPE_STRUCT;
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#ifdef X86_WIN64
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// allocate space for return value pointer
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cif->bytes += ALIGN(sizeof(void*), FFI_SIZEOF_ARG);
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#endif
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}
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break;
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#endif
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default:
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#ifdef X86_WIN64
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@ -229,41 +226,36 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
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break;
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}
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#ifdef X86_DARWIN
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cif->bytes = (cif->bytes + 15) & ~0xF;
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#endif
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for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
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{
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if (((*ptr)->alignment - 1) & cif->bytes)
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cif->bytes = ALIGN(cif->bytes, (*ptr)->alignment);
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cif->bytes += ALIGN((*ptr)->size, FFI_SIZEOF_ARG);
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}
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#ifdef X86_WIN64
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{
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unsigned int i;
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ffi_type **ptr;
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for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
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{
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if (((*ptr)->alignment - 1) & cif->bytes)
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cif->bytes = ALIGN(cif->bytes, (*ptr)->alignment);
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cif->bytes += ALIGN((*ptr)->size, FFI_SIZEOF_ARG);
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}
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}
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// ensure space for storing four registers
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cif->bytes += 4 * sizeof(ffi_arg);
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#endif
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#ifdef X86_DARWIN
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cif->bytes = (cif->bytes + 15) & ~0xF;
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#endif
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return FFI_OK;
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}
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extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *,
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unsigned, unsigned, unsigned *, void (*fn)(void));
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#ifdef X86_WIN32
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extern void ffi_call_STDCALL(void (*)(char *, extended_cif *), extended_cif *,
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unsigned, unsigned, unsigned *, void (*fn)(void));
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#endif /* X86_WIN32 */
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#ifdef X86_WIN64
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extern int
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ffi_call_win64(void (*)(char *, extended_cif *), extended_cif *,
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unsigned, unsigned, unsigned *, void (*fn)(void));
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#elif defined(X86_WIN32)
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extern void
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ffi_call_win32(void (*)(char *, extended_cif *), extended_cif *,
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unsigned, unsigned, unsigned *, void (*fn)(void));
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#else
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extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *,
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unsigned, unsigned, unsigned *, void (*fn)(void));
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#endif
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void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
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@ -321,18 +313,18 @@ void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
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cif->flags, ecif.rvalue, fn);
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}
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break;
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#elif defined(X86_WIN32)
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case FFI_SYSV:
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case FFI_STDCALL:
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ffi_call_win32(ffi_prep_args, &ecif, cif->bytes, cif->flags,
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ecif.rvalue, fn);
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break;
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#else
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case FFI_SYSV:
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ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, cif->flags, ecif.rvalue,
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fn);
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break;
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#ifdef X86_WIN32
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case FFI_STDCALL:
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ffi_call_STDCALL(ffi_prep_args, &ecif, cif->bytes, cif->flags,
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ecif.rvalue, fn);
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break;
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#endif /* X86_WIN32 */
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#endif /* X86_WIN64 */
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#endif
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default:
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FFI_ASSERT(0);
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break;
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@ -342,6 +334,8 @@ void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
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/** private members **/
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/* The following __attribute__((regparm(1))) decorations will have no effect
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on MSVC - standard cdecl convention applies. */
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static void ffi_prep_incoming_args_SYSV (char *stack, void **ret,
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void** args, ffi_cif* cif);
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void FFI_HIDDEN ffi_closure_SYSV (ffi_closure *)
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@ -390,11 +384,8 @@ ffi_closure_win64_inner (ffi_closure *closure, void *args) {
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}
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#else
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unsigned int FFI_HIDDEN
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ffi_closure_SYSV_inner (closure, respp, args)
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ffi_closure *closure;
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void **respp;
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void *args;
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unsigned int FFI_HIDDEN __attribute__ ((regparm(1)))
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ffi_closure_SYSV_inner (ffi_closure *closure, void **respp, void *args)
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{
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/* our various things... */
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ffi_cif *cif;
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@ -505,7 +496,7 @@ ffi_prep_incoming_args_SYSV(char *stack, void **rvalue, void **avalue,
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/* How to make a trampoline. Derived from gcc/config/i386/i386.c. */
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#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \
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({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
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{ unsigned char *__tramp = (unsigned char*)(TRAMP); \
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unsigned int __fun = (unsigned int)(FUN); \
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unsigned int __ctx = (unsigned int)(CTX); \
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unsigned int __dis = __fun - (__ctx + 10); \
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@ -513,10 +504,10 @@ ffi_prep_incoming_args_SYSV(char *stack, void **rvalue, void **avalue,
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*(unsigned int*) &__tramp[1] = __ctx; /* movl __ctx, %eax */ \
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*(unsigned char *) &__tramp[5] = 0xe9; \
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*(unsigned int*) &__tramp[6] = __dis; /* jmp __fun */ \
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})
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}
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#define FFI_INIT_TRAMPOLINE_STDCALL(TRAMP,FUN,CTX,SIZE) \
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({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
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{ unsigned char *__tramp = (unsigned char*)(TRAMP); \
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unsigned int __fun = (unsigned int)(FUN); \
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unsigned int __ctx = (unsigned int)(CTX); \
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unsigned int __dis = __fun - (__ctx + 10); \
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@ -527,7 +518,7 @@ ffi_prep_incoming_args_SYSV(char *stack, void **rvalue, void **avalue,
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*(unsigned int*) &__tramp[6] = __dis; /* call __fun */ \
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*(unsigned char *) &__tramp[10] = 0xc2; \
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*(unsigned short*) &__tramp[11] = __size; /* ret __size */ \
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})
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}
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/* the cif must already be prep'ed */
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@ -627,16 +618,6 @@ ffi_prep_args_raw(char *stack, extended_cif *ecif)
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* libffi-1.20, this is not the case.)
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*/
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extern void
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ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *, unsigned,
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unsigned, unsigned *, void (*fn)(void));
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#ifdef X86_WIN32
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extern void
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ffi_call_STDCALL(void (*)(char *, extended_cif *), extended_cif *, unsigned,
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unsigned, unsigned *, void (*fn)(void));
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#endif /* X86_WIN32 */
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void
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ffi_raw_call(ffi_cif *cif, void (*fn)(void), void *rvalue, ffi_raw *fake_avalue)
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{
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@ -660,16 +641,18 @@ ffi_raw_call(ffi_cif *cif, void (*fn)(void), void *rvalue, ffi_raw *fake_avalue)
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switch (cif->abi)
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{
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#ifdef X86_WIN32
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case FFI_SYSV:
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case FFI_STDCALL:
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ffi_call_win32(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags,
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ecif.rvalue, fn);
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break;
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#else
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case FFI_SYSV:
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ffi_call_SYSV(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags,
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ecif.rvalue, fn);
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break;
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#ifdef X86_WIN32
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case FFI_STDCALL:
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ffi_call_STDCALL(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags,
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ecif.rvalue, fn);
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break;
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#endif /* X86_WIN32 */
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#endif
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default:
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FFI_ASSERT(0);
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break;
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@ -2,6 +2,7 @@
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win32.S - Copyright (c) 1996, 1998, 2001, 2002, 2009 Red Hat, Inc.
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Copyright (c) 2001 John Beniton
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Copyright (c) 2002 Ranjit Mathew
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Copyright (c) 2009 Daniel Witte
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X86 Foreign Function Interface
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@ -31,14 +32,371 @@
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#define LIBFFI_ASM
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#include <fficonfig.h>
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#include <ffi.h>
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#ifdef _MSC_VER
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.386
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.MODEL FLAT, C
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EXTRN ffi_closure_SYSV_inner:NEAR
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_TEXT SEGMENT
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ffi_call_win32 PROC NEAR,
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ffi_prep_args : NEAR PTR DWORD,
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ecif : NEAR PTR DWORD,
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cif_bytes : DWORD,
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cif_flags : DWORD,
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rvalue : NEAR PTR DWORD,
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fn : NEAR PTR DWORD
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;; Make room for all of the new args.
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mov ecx, cif_bytes
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sub esp, ecx
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mov eax, esp
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;; Place all of the ffi_prep_args in position
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push ecif
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push eax
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call ffi_prep_args
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;; Return stack to previous state and call the function
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add esp, 8
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call fn
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;; cdecl: we restore esp in the epilogue, so there's no need to
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;; remove the space we pushed for the args.
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;; stdcall: the callee has already cleaned the stack.
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;; Load ecx with the return type code
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mov ecx, cif_flags
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;; If the return value pointer is NULL, assume no return value.
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cmp rvalue, 0
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jne ca_jumptable
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;; Even if there is no space for the return value, we are
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;; obliged to handle floating-point values.
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cmp ecx, FFI_TYPE_FLOAT
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jne ca_epilogue
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fstp st(0)
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jmp ca_epilogue
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ca_jumptable:
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jmp [ca_jumpdata + 4 * ecx]
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ca_jumpdata:
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;; Do not insert anything here between label and jump table.
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dd offset ca_epilogue ;; FFI_TYPE_VOID
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dd offset ca_retint ;; FFI_TYPE_INT
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dd offset ca_retfloat ;; FFI_TYPE_FLOAT
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dd offset ca_retdouble ;; FFI_TYPE_DOUBLE
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dd offset ca_retlongdouble ;; FFI_TYPE_LONGDOUBLE
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dd offset ca_retint8 ;; FFI_TYPE_UINT8
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dd offset ca_retint8 ;; FFI_TYPE_SINT8
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dd offset ca_retint16 ;; FFI_TYPE_UINT16
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dd offset ca_retint16 ;; FFI_TYPE_SINT16
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dd offset ca_retint ;; FFI_TYPE_UINT32
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dd offset ca_retint ;; FFI_TYPE_SINT32
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dd offset ca_retint64 ;; FFI_TYPE_UINT64
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dd offset ca_retint64 ;; FFI_TYPE_SINT64
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dd offset ca_epilogue ;; FFI_TYPE_STRUCT
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dd offset ca_retint ;; FFI_TYPE_POINTER
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dd offset ca_retint8 ;; FFI_TYPE_SMALL_STRUCT_1B
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dd offset ca_retint16 ;; FFI_TYPE_SMALL_STRUCT_2B
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dd offset ca_retint ;; FFI_TYPE_SMALL_STRUCT_4B
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ca_retint8:
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;; Load %ecx with the pointer to storage for the return value
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mov ecx, rvalue
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mov [ecx + 0], al
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jmp ca_epilogue
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ca_retint16:
|
||||
;; Load %ecx with the pointer to storage for the return value
|
||||
mov ecx, rvalue
|
||||
mov [ecx + 0], ax
|
||||
jmp ca_epilogue
|
||||
|
||||
ca_retint:
|
||||
;; Load %ecx with the pointer to storage for the return value
|
||||
mov ecx, rvalue
|
||||
mov [ecx + 0], eax
|
||||
jmp ca_epilogue
|
||||
|
||||
ca_retint64:
|
||||
;; Load %ecx with the pointer to storage for the return value
|
||||
mov ecx, rvalue
|
||||
mov [ecx + 0], eax
|
||||
mov [ecx + 4], edx
|
||||
jmp ca_epilogue
|
||||
|
||||
ca_retfloat:
|
||||
;; Load %ecx with the pointer to storage for the return value
|
||||
mov ecx, rvalue
|
||||
fstp DWORD PTR [ecx]
|
||||
jmp ca_epilogue
|
||||
|
||||
ca_retdouble:
|
||||
;; Load %ecx with the pointer to storage for the return value
|
||||
mov ecx, rvalue
|
||||
fstp QWORD PTR [ecx]
|
||||
jmp ca_epilogue
|
||||
|
||||
ca_retlongdouble:
|
||||
;; Load %ecx with the pointer to storage for the return value
|
||||
mov ecx, rvalue
|
||||
fstp TBYTE PTR [ecx]
|
||||
jmp ca_epilogue
|
||||
|
||||
ca_epilogue:
|
||||
;; Epilogue code is autogenerated.
|
||||
ret
|
||||
ffi_call_win32 ENDP
|
||||
|
||||
ffi_closure_SYSV PROC NEAR FORCEFRAME
|
||||
;; the ffi_closure ctx is passed in eax by the trampoline.
|
||||
|
||||
sub esp, 40
|
||||
lea edx, [ebp - 24]
|
||||
mov [ebp - 12], edx ;; resp
|
||||
lea edx, [ebp + 8]
|
||||
mov [esp + 8], edx ;; args
|
||||
lea edx, [ebp - 12]
|
||||
mov [esp + 4], edx ;; &resp
|
||||
mov [esp], eax ;; closure
|
||||
call ffi_closure_SYSV_inner
|
||||
mov ecx, [ebp - 12]
|
||||
|
||||
cs_jumptable:
|
||||
jmp [cs_jumpdata + 4 * eax]
|
||||
cs_jumpdata:
|
||||
;; Do not insert anything here between the label and jump table.
|
||||
dd offset cs_epilogue ;; FFI_TYPE_VOID
|
||||
dd offset cs_retint ;; FFI_TYPE_INT
|
||||
dd offset cs_retfloat ;; FFI_TYPE_FLOAT
|
||||
dd offset cs_retdouble ;; FFI_TYPE_DOUBLE
|
||||
dd offset cs_retlongdouble ;; FFI_TYPE_LONGDOUBLE
|
||||
dd offset cs_retint8 ;; FFI_TYPE_UINT8
|
||||
dd offset cs_retint8 ;; FFI_TYPE_SINT8
|
||||
dd offset cs_retint16 ;; FFI_TYPE_UINT16
|
||||
dd offset cs_retint16 ;; FFI_TYPE_SINT16
|
||||
dd offset cs_retint ;; FFI_TYPE_UINT32
|
||||
dd offset cs_retint ;; FFI_TYPE_SINT32
|
||||
dd offset cs_retint64 ;; FFI_TYPE_UINT64
|
||||
dd offset cs_retint64 ;; FFI_TYPE_SINT64
|
||||
dd offset cs_retstruct ;; FFI_TYPE_STRUCT
|
||||
dd offset cs_retint ;; FFI_TYPE_POINTER
|
||||
dd offset cs_retint8 ;; FFI_TYPE_SMALL_STRUCT_1B
|
||||
dd offset cs_retint16 ;; FFI_TYPE_SMALL_STRUCT_2B
|
||||
dd offset cs_retint ;; FFI_TYPE_SMALL_STRUCT_4B
|
||||
|
||||
cs_retint8:
|
||||
mov al, [ecx]
|
||||
jmp cs_epilogue
|
||||
|
||||
cs_retint16:
|
||||
mov ax, [ecx]
|
||||
jmp cs_epilogue
|
||||
|
||||
cs_retint:
|
||||
mov eax, [ecx]
|
||||
jmp cs_epilogue
|
||||
|
||||
cs_retint64:
|
||||
mov eax, [ecx + 0]
|
||||
mov edx, [ecx + 4]
|
||||
jmp cs_epilogue
|
||||
|
||||
cs_retfloat:
|
||||
fld DWORD PTR [ecx]
|
||||
jmp cs_epilogue
|
||||
|
||||
cs_retdouble:
|
||||
fld QWORD PTR [ecx]
|
||||
jmp cs_epilogue
|
||||
|
||||
cs_retlongdouble:
|
||||
fld TBYTE PTR [ecx]
|
||||
jmp cs_epilogue
|
||||
|
||||
cs_retstruct:
|
||||
;; Caller expects us to pop struct return value pointer hidden arg.
|
||||
;; Epilogue code is autogenerated.
|
||||
ret 4
|
||||
|
||||
cs_epilogue:
|
||||
;; Epilogue code is autogenerated.
|
||||
ret
|
||||
ffi_closure_SYSV ENDP
|
||||
|
||||
#if !FFI_NO_RAW_API
|
||||
|
||||
#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) AND NOT 3)
|
||||
#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4)
|
||||
#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4)
|
||||
#define CIF_FLAGS_OFFSET 20
|
||||
|
||||
ffi_closure_raw_SYSV PROC NEAR USES esi
|
||||
;; the ffi_closure ctx is passed in eax by the trampoline.
|
||||
|
||||
sub esp, 40
|
||||
mov esi, [eax + RAW_CLOSURE_CIF_OFFSET] ;; closure->cif
|
||||
mov edx, [eax + RAW_CLOSURE_USER_DATA_OFFSET] ;; closure->user_data
|
||||
mov [esp + 12], edx ;; user_data
|
||||
lea edx, [ebp + 8]
|
||||
mov [esp + 8], edx ;; raw_args
|
||||
lea edx, [ebp - 24]
|
||||
mov [esp + 4], edx ;; &res
|
||||
mov [esp], esi ;; cif
|
||||
call DWORD PTR [eax + RAW_CLOSURE_FUN_OFFSET] ;; closure->fun
|
||||
mov eax, [esi + CIF_FLAGS_OFFSET] ;; cif->flags
|
||||
lea ecx, [ebp - 24]
|
||||
|
||||
cr_jumptable:
|
||||
jmp [cr_jumpdata + 4 * eax]
|
||||
cr_jumpdata:
|
||||
;; Do not insert anything here between the label and jump table.
|
||||
dd offset cr_epilogue ;; FFI_TYPE_VOID
|
||||
dd offset cr_retint ;; FFI_TYPE_INT
|
||||
dd offset cr_retfloat ;; FFI_TYPE_FLOAT
|
||||
dd offset cr_retdouble ;; FFI_TYPE_DOUBLE
|
||||
dd offset cr_retlongdouble ;; FFI_TYPE_LONGDOUBLE
|
||||
dd offset cr_retint8 ;; FFI_TYPE_UINT8
|
||||
dd offset cr_retint8 ;; FFI_TYPE_SINT8
|
||||
dd offset cr_retint16 ;; FFI_TYPE_UINT16
|
||||
dd offset cr_retint16 ;; FFI_TYPE_SINT16
|
||||
dd offset cr_retint ;; FFI_TYPE_UINT32
|
||||
dd offset cr_retint ;; FFI_TYPE_SINT32
|
||||
dd offset cr_retint64 ;; FFI_TYPE_UINT64
|
||||
dd offset cr_retint64 ;; FFI_TYPE_SINT64
|
||||
dd offset cr_epilogue ;; FFI_TYPE_STRUCT
|
||||
dd offset cr_retint ;; FFI_TYPE_POINTER
|
||||
dd offset cr_retint8 ;; FFI_TYPE_SMALL_STRUCT_1B
|
||||
dd offset cr_retint16 ;; FFI_TYPE_SMALL_STRUCT_2B
|
||||
dd offset cr_retint ;; FFI_TYPE_SMALL_STRUCT_4B
|
||||
|
||||
cr_retint8:
|
||||
mov al, [ecx]
|
||||
jmp cr_epilogue
|
||||
|
||||
cr_retint16:
|
||||
mov ax, [ecx]
|
||||
jmp cr_epilogue
|
||||
|
||||
cr_retint:
|
||||
mov eax, [ecx]
|
||||
jmp cr_epilogue
|
||||
|
||||
cr_retint64:
|
||||
mov eax, [ecx + 0]
|
||||
mov edx, [ecx + 4]
|
||||
jmp cr_epilogue
|
||||
|
||||
cr_retfloat:
|
||||
fld DWORD PTR [ecx]
|
||||
jmp cr_epilogue
|
||||
|
||||
cr_retdouble:
|
||||
fld QWORD PTR [ecx]
|
||||
jmp cr_epilogue
|
||||
|
||||
cr_retlongdouble:
|
||||
fld TBYTE PTR [ecx]
|
||||
jmp cr_epilogue
|
||||
|
||||
cr_epilogue:
|
||||
;; Epilogue code is autogenerated.
|
||||
ret
|
||||
ffi_closure_raw_SYSV ENDP
|
||||
|
||||
#endif /* !FFI_NO_RAW_API */
|
||||
|
||||
ffi_closure_STDCALL PROC NEAR FORCEFRAME
|
||||
;; the ffi_closure ctx is passed in eax by the trampoline.
|
||||
|
||||
sub esp, 40
|
||||
lea edx, [ebp - 24]
|
||||
mov [ebp - 12], edx ;; resp
|
||||
lea edx, [ebp + 12] ;; account for stub return address on stack
|
||||
mov [esp + 8], edx ;; args
|
||||
lea edx, [ebp - 12]
|
||||
mov [esp + 4], edx ;; &resp
|
||||
mov [esp], eax ;; closure
|
||||
call ffi_closure_SYSV_inner
|
||||
mov ecx, [ebp - 12]
|
||||
|
||||
cd_jumptable:
|
||||
jmp [cd_jumpdata + 4 * eax]
|
||||
cd_jumpdata:
|
||||
;; Do not insert anything here between the label and jump table.
|
||||
dd offset cd_epilogue ;; FFI_TYPE_VOID
|
||||
dd offset cd_retint ;; FFI_TYPE_INT
|
||||
dd offset cd_retfloat ;; FFI_TYPE_FLOAT
|
||||
dd offset cd_retdouble ;; FFI_TYPE_DOUBLE
|
||||
dd offset cd_retlongdouble ;; FFI_TYPE_LONGDOUBLE
|
||||
dd offset cd_retint8 ;; FFI_TYPE_UINT8
|
||||
dd offset cd_retint8 ;; FFI_TYPE_SINT8
|
||||
dd offset cd_retint16 ;; FFI_TYPE_UINT16
|
||||
dd offset cd_retint16 ;; FFI_TYPE_SINT16
|
||||
dd offset cd_retint ;; FFI_TYPE_UINT32
|
||||
dd offset cd_retint ;; FFI_TYPE_SINT32
|
||||
dd offset cd_retint64 ;; FFI_TYPE_UINT64
|
||||
dd offset cd_retint64 ;; FFI_TYPE_SINT64
|
||||
dd offset cd_epilogue ;; FFI_TYPE_STRUCT
|
||||
dd offset cd_retint ;; FFI_TYPE_POINTER
|
||||
dd offset cd_retint8 ;; FFI_TYPE_SMALL_STRUCT_1B
|
||||
dd offset cd_retint16 ;; FFI_TYPE_SMALL_STRUCT_2B
|
||||
dd offset cd_retint ;; FFI_TYPE_SMALL_STRUCT_4B
|
||||
|
||||
cd_retint8:
|
||||
mov al, [ecx]
|
||||
jmp cd_epilogue
|
||||
|
||||
cd_retint16:
|
||||
mov ax, [ecx]
|
||||
jmp cd_epilogue
|
||||
|
||||
cd_retint:
|
||||
mov eax, [ecx]
|
||||
jmp cd_epilogue
|
||||
|
||||
cd_retint64:
|
||||
mov eax, [ecx + 0]
|
||||
mov edx, [ecx + 4]
|
||||
jmp cd_epilogue
|
||||
|
||||
cd_retfloat:
|
||||
fld DWORD PTR [ecx]
|
||||
jmp cd_epilogue
|
||||
|
||||
cd_retdouble:
|
||||
fld QWORD PTR [ecx]
|
||||
jmp cd_epilogue
|
||||
|
||||
cd_retlongdouble:
|
||||
fld TBYTE PTR [ecx]
|
||||
jmp cd_epilogue
|
||||
|
||||
cd_epilogue:
|
||||
;; Epilogue code is autogenerated.
|
||||
ret
|
||||
ffi_closure_STDCALL ENDP
|
||||
|
||||
_TEXT ENDS
|
||||
END
|
||||
|
||||
#else
|
||||
|
||||
.text
|
||||
|
||||
# This assumes we are using gas.
|
||||
.balign 16
|
||||
.globl _ffi_call_SYSV
|
||||
.def _ffi_call_SYSV; .scl 2; .type 32; .endef
|
||||
_ffi_call_SYSV:
|
||||
.globl _ffi_call_win32
|
||||
.def _ffi_call_win32; .scl 2; .type 32; .endef
|
||||
_ffi_call_win32:
|
||||
.LFB1:
|
||||
pushl %ebp
|
||||
.LCFI0:
|
||||
|
|
@ -61,8 +419,10 @@ _ffi_call_SYSV:
|
|||
# FIXME: Align the stack to a 128-bit boundary to avoid
|
||||
# potential performance hits.
|
||||
|
||||
call *28(%ebp)
|
||||
call *28(%ebp)
|
||||
|
||||
# stdcall functions pop arguments off the stack themselves
|
||||
|
||||
# Load %ecx with the return type code
|
||||
movl 20(%ebp),%ecx
|
||||
|
||||
|
|
@ -181,162 +541,9 @@ _ffi_call_SYSV:
|
|||
movl %ebp,%esp
|
||||
popl %ebp
|
||||
ret
|
||||
.ffi_call_SYSV_end:
|
||||
.ffi_call_win32_end:
|
||||
.LFE1:
|
||||
|
||||
# This assumes we are using gas.
|
||||
.balign 16
|
||||
.globl _ffi_call_STDCALL
|
||||
.def _ffi_call_STDCALL; .scl 2; .type 32; .endef
|
||||
_ffi_call_STDCALL:
|
||||
.LFB2:
|
||||
pushl %ebp
|
||||
.LCFI2:
|
||||
movl %esp,%ebp
|
||||
.LCFI3:
|
||||
# Make room for all of the new args.
|
||||
movl 16(%ebp),%ecx
|
||||
subl %ecx,%esp
|
||||
|
||||
movl %esp,%eax
|
||||
|
||||
# Place all of the ffi_prep_args in position
|
||||
pushl 12(%ebp)
|
||||
pushl %eax
|
||||
call *8(%ebp)
|
||||
|
||||
# Return stack to previous state and call the function
|
||||
addl $8,%esp
|
||||
|
||||
# FIXME: Align the stack to a 128-bit boundary to avoid
|
||||
# potential performance hits.
|
||||
|
||||
call *28(%ebp)
|
||||
|
||||
# stdcall functions pop arguments off the stack themselves
|
||||
|
||||
# Load %ecx with the return type code
|
||||
movl 20(%ebp),%ecx
|
||||
|
||||
# If the return value pointer is NULL, assume no return value.
|
||||
cmpl $0,24(%ebp)
|
||||
jne 0f
|
||||
|
||||
# Even if there is no space for the return value, we are
|
||||
# obliged to handle floating-point values.
|
||||
cmpl $FFI_TYPE_FLOAT,%ecx
|
||||
jne .Lsc_noretval
|
||||
fstp %st(0)
|
||||
|
||||
jmp .Lsc_epilogue
|
||||
|
||||
0:
|
||||
call 1f
|
||||
# Do not insert anything here between the call and the jump table.
|
||||
.Lsc_store_table:
|
||||
.long .Lsc_noretval /* FFI_TYPE_VOID */
|
||||
.long .Lsc_retint /* FFI_TYPE_INT */
|
||||
.long .Lsc_retfloat /* FFI_TYPE_FLOAT */
|
||||
.long .Lsc_retdouble /* FFI_TYPE_DOUBLE */
|
||||
.long .Lsc_retlongdouble /* FFI_TYPE_LONGDOUBLE */
|
||||
.long .Lsc_retuint8 /* FFI_TYPE_UINT8 */
|
||||
.long .Lsc_retsint8 /* FFI_TYPE_SINT8 */
|
||||
.long .Lsc_retuint16 /* FFI_TYPE_UINT16 */
|
||||
.long .Lsc_retsint16 /* FFI_TYPE_SINT16 */
|
||||
.long .Lsc_retint /* FFI_TYPE_UINT32 */
|
||||
.long .Lsc_retint /* FFI_TYPE_SINT32 */
|
||||
.long .Lsc_retint64 /* FFI_TYPE_UINT64 */
|
||||
.long .Lsc_retint64 /* FFI_TYPE_SINT64 */
|
||||
.long .Lsc_retstruct /* FFI_TYPE_STRUCT */
|
||||
.long .Lsc_retint /* FFI_TYPE_POINTER */
|
||||
.long .Lsc_retstruct1b /* FFI_TYPE_SMALL_STRUCT_1B */
|
||||
.long .Lsc_retstruct2b /* FFI_TYPE_SMALL_STRUCT_2B */
|
||||
.long .Lsc_retstruct4b /* FFI_TYPE_SMALL_STRUCT_4B */
|
||||
|
||||
1:
|
||||
add %ecx, %ecx
|
||||
add %ecx, %ecx
|
||||
add (%esp),%ecx
|
||||
add $4, %esp
|
||||
jmp *(%ecx)
|
||||
|
||||
/* Sign/zero extend as appropriate. */
|
||||
.Lsc_retsint8:
|
||||
movsbl %al, %eax
|
||||
jmp .Lsc_retint
|
||||
|
||||
.Lsc_retsint16:
|
||||
movswl %ax, %eax
|
||||
jmp .Lsc_retint
|
||||
|
||||
.Lsc_retuint8:
|
||||
movzbl %al, %eax
|
||||
jmp .Lsc_retint
|
||||
|
||||
.Lsc_retuint16:
|
||||
movzwl %ax, %eax
|
||||
jmp .Lsc_retint
|
||||
|
||||
.Lsc_retint:
|
||||
# Load %ecx with the pointer to storage for the return value
|
||||
movl 24(%ebp),%ecx
|
||||
movl %eax,0(%ecx)
|
||||
jmp .Lsc_epilogue
|
||||
|
||||
.Lsc_retfloat:
|
||||
# Load %ecx with the pointer to storage for the return value
|
||||
movl 24(%ebp),%ecx
|
||||
fstps (%ecx)
|
||||
jmp .Lsc_epilogue
|
||||
|
||||
.Lsc_retdouble:
|
||||
# Load %ecx with the pointer to storage for the return value
|
||||
movl 24(%ebp),%ecx
|
||||
fstpl (%ecx)
|
||||
jmp .Lsc_epilogue
|
||||
|
||||
.Lsc_retlongdouble:
|
||||
# Load %ecx with the pointer to storage for the return value
|
||||
movl 24(%ebp),%ecx
|
||||
fstpt (%ecx)
|
||||
jmp .Lsc_epilogue
|
||||
|
||||
.Lsc_retint64:
|
||||
# Load %ecx with the pointer to storage for the return value
|
||||
movl 24(%ebp),%ecx
|
||||
movl %eax,0(%ecx)
|
||||
movl %edx,4(%ecx)
|
||||
jmp .Lsc_epilogue
|
||||
|
||||
.Lsc_retstruct1b:
|
||||
# Load %ecx with the pointer to storage for the return value
|
||||
movl 24(%ebp),%ecx
|
||||
movb %al,0(%ecx)
|
||||
jmp .Lsc_epilogue
|
||||
|
||||
.Lsc_retstruct2b:
|
||||
# Load %ecx with the pointer to storage for the return value
|
||||
movl 24(%ebp),%ecx
|
||||
movw %ax,0(%ecx)
|
||||
jmp .Lsc_epilogue
|
||||
|
||||
.Lsc_retstruct4b:
|
||||
# Load %ecx with the pointer to storage for the return value
|
||||
movl 24(%ebp),%ecx
|
||||
movl %eax,0(%ecx)
|
||||
jmp .Lsc_epilogue
|
||||
|
||||
.Lsc_retstruct:
|
||||
# Nothing to do!
|
||||
|
||||
.Lsc_noretval:
|
||||
.Lsc_epilogue:
|
||||
movl %ebp,%esp
|
||||
popl %ebp
|
||||
ret
|
||||
.ffi_call_STDCALL_end:
|
||||
.LFE2:
|
||||
|
||||
# This assumes we are using gas.
|
||||
.balign 16
|
||||
.globl _ffi_closure_SYSV
|
||||
|
|
@ -742,38 +949,6 @@ _ffi_closure_STDCALL:
|
|||
.LEFDE1:
|
||||
|
||||
|
||||
.LSFDE2:
|
||||
.long .LEFDE2-.LASFDE2 /* FDE Length */
|
||||
.LASFDE2:
|
||||
.long .LASFDE2-.Lframe1 /* FDE CIE offset */
|
||||
#if defined __PIC__ && defined HAVE_AS_X86_PCREL
|
||||
.long .LFB2-. /* FDE initial location */
|
||||
#else
|
||||
.long .LFB2
|
||||
#endif
|
||||
.long .LFE2-.LFB2 /* FDE address range */
|
||||
#ifdef __PIC__
|
||||
.byte 0x0 /* .uleb128 0x0; Augmentation size */
|
||||
#endif
|
||||
/* DW_CFA_xxx CFI instructions go here. */
|
||||
|
||||
.byte 0x4 /* DW_CFA_advance_loc4 */
|
||||
.long .LCFI2-.LFB2
|
||||
.byte 0xe /* DW_CFA_def_cfa_offset CFA = r4 + 8 = 8(%esp) */
|
||||
.byte 0x8 /* .uleb128 0x8 */
|
||||
.byte 0x85 /* DW_CFA_offset, column 0x5 %ebp at CFA + 2 * -4 */
|
||||
.byte 0x2 /* .uleb128 0x2 */
|
||||
|
||||
.byte 0x4 /* DW_CFA_advance_loc4 */
|
||||
.long .LCFI3-.LCFI2
|
||||
.byte 0xd /* DW_CFA_def_cfa_register CFA = r5 = %ebp */
|
||||
.byte 0x5 /* .uleb128 0x5 */
|
||||
|
||||
/* End of DW_CFA_xxx CFI instructions. */
|
||||
.align 4
|
||||
.LEFDE2:
|
||||
|
||||
|
||||
.LSFDE3:
|
||||
.long .LEFDE3-.LASFDE3 /* FDE Length */
|
||||
.LASFDE3:
|
||||
|
|
@ -875,3 +1050,6 @@ _ffi_closure_STDCALL:
|
|||
/* End of DW_CFA_xxx CFI instructions. */
|
||||
.align 4
|
||||
.LEFDE5:
|
||||
|
||||
#endif /* !_MSC_VER */
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue