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Microsoft Visual C port

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This commit is contained in:
Anthony Green
2010-01-15 10:46:51 -05:00
parent 0739e7dc00
commit cadeba6cb5
14 changed files with 4081 additions and 259 deletions
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107
src/x86/ffi.c
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@@ -148,13 +148,13 @@ void ffi_prep_args(char *stack, extended_cif *ecif)
/* Perform machine dependent cif processing */
ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
{
unsigned int i;
ffi_type **ptr;
/* Set the return type flag */
switch (cif->rtype->type)
{
case FFI_TYPE_VOID:
#ifdef X86
case FFI_TYPE_STRUCT:
#endif
#if defined(X86) || defined (X86_WIN32) || defined(X86_FREEBSD) || defined(X86_DARWIN) || defined(X86_WIN64)
case FFI_TYPE_UINT8:
case FFI_TYPE_UINT16:
@@ -165,7 +165,6 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
case FFI_TYPE_UINT32:
case FFI_TYPE_SINT32:
#endif
case FFI_TYPE_SINT64:
case FFI_TYPE_FLOAT:
case FFI_TYPE_DOUBLE:
@@ -184,8 +183,8 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
cif->flags = FFI_TYPE_SINT64;
break;
#ifndef X86
case FFI_TYPE_STRUCT:
#ifndef X86
if (cif->rtype->size == 1)
{
cif->flags = FFI_TYPE_SMALL_STRUCT_1B; /* same as char size */
@@ -207,15 +206,13 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
cif->flags = FFI_TYPE_SINT64; /* same as int64 type */
}
else
#endif
{
cif->flags = FFI_TYPE_STRUCT;
#ifdef X86_WIN64
// allocate space for return value pointer
cif->bytes += ALIGN(sizeof(void*), FFI_SIZEOF_ARG);
#endif
}
break;
#endif
default:
#ifdef X86_WIN64
@@ -229,41 +226,36 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
break;
}
#ifdef X86_DARWIN
cif->bytes = (cif->bytes + 15) & ~0xF;
#endif
for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
{
if (((*ptr)->alignment - 1) & cif->bytes)
cif->bytes = ALIGN(cif->bytes, (*ptr)->alignment);
cif->bytes += ALIGN((*ptr)->size, FFI_SIZEOF_ARG);
}
#ifdef X86_WIN64
{
unsigned int i;
ffi_type **ptr;
for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
{
if (((*ptr)->alignment - 1) & cif->bytes)
cif->bytes = ALIGN(cif->bytes, (*ptr)->alignment);
cif->bytes += ALIGN((*ptr)->size, FFI_SIZEOF_ARG);
}
}
// ensure space for storing four registers
cif->bytes += 4 * sizeof(ffi_arg);
#endif
#ifdef X86_DARWIN
cif->bytes = (cif->bytes + 15) & ~0xF;
#endif
return FFI_OK;
}
extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *,
unsigned, unsigned, unsigned *, void (*fn)(void));
#ifdef X86_WIN32
extern void ffi_call_STDCALL(void (*)(char *, extended_cif *), extended_cif *,
unsigned, unsigned, unsigned *, void (*fn)(void));
#endif /* X86_WIN32 */
#ifdef X86_WIN64
extern int
ffi_call_win64(void (*)(char *, extended_cif *), extended_cif *,
unsigned, unsigned, unsigned *, void (*fn)(void));
#elif defined(X86_WIN32)
extern void
ffi_call_win32(void (*)(char *, extended_cif *), extended_cif *,
unsigned, unsigned, unsigned *, void (*fn)(void));
#else
extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *,
unsigned, unsigned, unsigned *, void (*fn)(void));
#endif
void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
@@ -321,18 +313,18 @@ void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
cif->flags, ecif.rvalue, fn);
}
break;
#elif defined(X86_WIN32)
case FFI_SYSV:
case FFI_STDCALL:
ffi_call_win32(ffi_prep_args, &ecif, cif->bytes, cif->flags,
ecif.rvalue, fn);
break;
#else
case FFI_SYSV:
ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, cif->flags, ecif.rvalue,
fn);
break;
#ifdef X86_WIN32
case FFI_STDCALL:
ffi_call_STDCALL(ffi_prep_args, &ecif, cif->bytes, cif->flags,
ecif.rvalue, fn);
break;
#endif /* X86_WIN32 */
#endif /* X86_WIN64 */
#endif
default:
FFI_ASSERT(0);
break;
@@ -342,6 +334,8 @@ void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
/** private members **/
/* The following __attribute__((regparm(1))) decorations will have no effect
on MSVC - standard cdecl convention applies. */
static void ffi_prep_incoming_args_SYSV (char *stack, void **ret,
void** args, ffi_cif* cif);
void FFI_HIDDEN ffi_closure_SYSV (ffi_closure *)
@@ -390,11 +384,8 @@ ffi_closure_win64_inner (ffi_closure *closure, void *args) {
}
#else
unsigned int FFI_HIDDEN
ffi_closure_SYSV_inner (closure, respp, args)
ffi_closure *closure;
void **respp;
void *args;
unsigned int FFI_HIDDEN __attribute__ ((regparm(1)))
ffi_closure_SYSV_inner (ffi_closure *closure, void **respp, void *args)
{
/* our various things... */
ffi_cif *cif;
@@ -505,7 +496,7 @@ ffi_prep_incoming_args_SYSV(char *stack, void **rvalue, void **avalue,
/* How to make a trampoline. Derived from gcc/config/i386/i386.c. */
#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \
({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
{ unsigned char *__tramp = (unsigned char*)(TRAMP); \
unsigned int __fun = (unsigned int)(FUN); \
unsigned int __ctx = (unsigned int)(CTX); \
unsigned int __dis = __fun - (__ctx + 10); \
@@ -513,10 +504,10 @@ ffi_prep_incoming_args_SYSV(char *stack, void **rvalue, void **avalue,
*(unsigned int*) &__tramp[1] = __ctx; /* movl __ctx, %eax */ \
*(unsigned char *) &__tramp[5] = 0xe9; \
*(unsigned int*) &__tramp[6] = __dis; /* jmp __fun */ \
})
}
#define FFI_INIT_TRAMPOLINE_STDCALL(TRAMP,FUN,CTX,SIZE) \
({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
{ unsigned char *__tramp = (unsigned char*)(TRAMP); \
unsigned int __fun = (unsigned int)(FUN); \
unsigned int __ctx = (unsigned int)(CTX); \
unsigned int __dis = __fun - (__ctx + 10); \
@@ -527,7 +518,7 @@ ffi_prep_incoming_args_SYSV(char *stack, void **rvalue, void **avalue,
*(unsigned int*) &__tramp[6] = __dis; /* call __fun */ \
*(unsigned char *) &__tramp[10] = 0xc2; \
*(unsigned short*) &__tramp[11] = __size; /* ret __size */ \
})
}
/* the cif must already be prep'ed */
@@ -627,16 +618,6 @@ ffi_prep_args_raw(char *stack, extended_cif *ecif)
* libffi-1.20, this is not the case.)
*/
extern void
ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *, unsigned,
unsigned, unsigned *, void (*fn)(void));
#ifdef X86_WIN32
extern void
ffi_call_STDCALL(void (*)(char *, extended_cif *), extended_cif *, unsigned,
unsigned, unsigned *, void (*fn)(void));
#endif /* X86_WIN32 */
void
ffi_raw_call(ffi_cif *cif, void (*fn)(void), void *rvalue, ffi_raw *fake_avalue)
{
@@ -660,16 +641,18 @@ ffi_raw_call(ffi_cif *cif, void (*fn)(void), void *rvalue, ffi_raw *fake_avalue)
switch (cif->abi)
{
#ifdef X86_WIN32
case FFI_SYSV:
case FFI_STDCALL:
ffi_call_win32(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags,
ecif.rvalue, fn);
break;
#else
case FFI_SYSV:
ffi_call_SYSV(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags,
ecif.rvalue, fn);
break;
#ifdef X86_WIN32
case FFI_STDCALL:
ffi_call_STDCALL(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags,
ecif.rvalue, fn);
break;
#endif /* X86_WIN32 */
#endif
default:
FFI_ASSERT(0);
break;