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Merge a newer version of libffi_osx, based on the 

version of libffi in OSX 10.6.1.

This fixes issue6918
This commit is contained in:
Ronald Oussoren 2009-09-20 18:54:16 +00:00
parent 9f20d9d0ee
commit 16766d7cd6
8 changed files with 716 additions and 719 deletions
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10
Modules/_ctypes/libffi_osx/powerpc/ppc-darwin.S
View File

@ -1,7 +1,7 @@
#if defined(__ppc__) || defined(__ppc64__)
/* -----------------------------------------------------------------------
darwin.S - Copyright (c) 2000 John Hornkvist
ppc-darwin.S - Copyright (c) 2000 John Hornkvist
Copyright (c) 2004 Free Software Foundation, Inc.
PowerPC Assembly glue.
@ -294,7 +294,7 @@ LSCIE1:
.byte 0x7c ; sleb128 -4; CIE Data Alignment Factor
.byte 0x41 ; CIE RA Column
.byte 0x1 ; uleb128 0x1; Augmentation size
.byte 0x90 ; FDE Encoding (indirect pcrel)
.byte 0x10 ; FDE Encoding (pcrel)
.byte 0xc ; DW_CFA_def_cfa
.byte 0x1 ; uleb128 0x1
.byte 0x0 ; uleb128 0x0
@ -308,7 +308,7 @@ LSFDE1:
LASFDE1:
.long LASFDE1-EH_frame1 ; FDE CIE offset
.g_long LLFB0$non_lazy_ptr-. ; FDE initial location
.g_long LFB0-. ; FDE initial location
.set L$set$3,LFE1-LFB0
.g_long L$set$3 ; FDE address range
.byte 0x0 ; uleb128 0x0; Augmentation size
@ -338,10 +338,6 @@ LASFDE1:
.byte 0x1c ; uleb128 0x1c
.align LOG2_GPR_BYTES
LEFDE1:
.data
.align LOG2_GPR_BYTES
LLFB0$non_lazy_ptr:
.g_long LFB0
#if defined(__ppc64__)
.section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32

23
Modules/_ctypes/libffi_osx/powerpc/ppc-darwin.h
View File

@ -22,7 +22,6 @@
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#define L(x) x
#define SF_ARG9 MODE_CHOICE(56,112)
@ -57,7 +56,6 @@
((x) == FFI_TYPE_UINT32 || (x) == FFI_TYPE_SINT32 ||\
(x) == FFI_TYPE_INT || (x) == FFI_TYPE_FLOAT)
#if !defined(LIBFFI_ASM)
enum {
@ -75,20 +73,6 @@ enum {
FLAG_RETVAL_REFERENCE = 1 << (31 - 4)
};
void ffi_prep_args(extended_cif* inEcif, unsigned *const stack);
typedef union
{
float f;
double d;
} ffi_dblfl;
int ffi_closure_helper_DARWIN( ffi_closure* closure,
void* rvalue, unsigned long* pgr,
ffi_dblfl* pfr);
#if defined(__ppc64__)
void ffi64_struct_to_ram_form(const ffi_type*, const char*, unsigned int*,
const char*, unsigned int*, unsigned int*, char*, unsigned int*);
@ -96,11 +80,6 @@ void ffi64_struct_to_reg_form(const ffi_type*, const char*, unsigned int*,
unsigned int*, char*, unsigned int*, char*, unsigned int*);
bool ffi64_stret_needs_ptr(const ffi_type* inType,
unsigned short*, unsigned short*);
bool ffi64_struct_contains_fp(const ffi_type* inType);
unsigned int ffi64_data_size(const ffi_type* inType);
#endif
#endif // !defined(LIBFFI_ASM)
#endif // !defined(LIBFFI_ASM)

117
Modules/_ctypes/libffi_osx/powerpc/ppc-darwin_closure.S
View File

@ -1,7 +1,7 @@
#if defined(__ppc__)
/* -----------------------------------------------------------------------
darwin_closure.S - Copyright (c) 2002, 2003, 2004, Free Software Foundation,
ppc-darwin_closure.S - Copyright (c) 2002, 2003, 2004, Free Software Foundation,
Inc. based on ppc_closure.S
PowerPC Assembly glue.
@ -43,8 +43,8 @@
_ffi_closure_ASM:
LFB1:
mflr r0 /* extract return address */
stg r0,MODE_CHOICE(8,16)(r1) /* save return address */
mflr r0 // Save return address
stg r0,SF_RETURN(r1)
LCFI0:
/* 24/48 bytes (Linkage Area)
@ -54,7 +54,7 @@ LCFI0:
176/232 total bytes */
/* skip over caller save area and keep stack aligned to 16/32. */
stgu r1,-SF_ROUND(MODE_CHOICE(176,248))(r1)
stgu r1,-SF_ROUND(176)(r1)
LCFI1:
/* We want to build up an area for the parameters passed
@ -67,58 +67,44 @@ LCFI1:
/* Save GPRs 3 - 10 (aligned to 4/8)
in the parents outgoing area. */
stg r3,MODE_CHOICE(200,304)(r1)
stg r4,MODE_CHOICE(204,312)(r1)
stg r5,MODE_CHOICE(208,320)(r1)
stg r6,MODE_CHOICE(212,328)(r1)
stg r7,MODE_CHOICE(216,336)(r1)
stg r8,MODE_CHOICE(220,344)(r1)
stg r9,MODE_CHOICE(224,352)(r1)
stg r10,MODE_CHOICE(228,360)(r1)
stg r3,200(r1)
stg r4,204(r1)
stg r5,208(r1)
stg r6,212(r1)
stg r7,216(r1)
stg r8,220(r1)
stg r9,224(r1)
stg r10,228(r1)
/* Save FPRs 1 - 13. (aligned to 8) */
stfd f1,MODE_CHOICE(56,112)(r1)
stfd f2,MODE_CHOICE(64,120)(r1)
stfd f3,MODE_CHOICE(72,128)(r1)
stfd f4,MODE_CHOICE(80,136)(r1)
stfd f5,MODE_CHOICE(88,144)(r1)
stfd f6,MODE_CHOICE(96,152)(r1)
stfd f7,MODE_CHOICE(104,160)(r1)
stfd f8,MODE_CHOICE(112,168)(r1)
stfd f9,MODE_CHOICE(120,176)(r1)
stfd f10,MODE_CHOICE(128,184)(r1)
stfd f11,MODE_CHOICE(136,192)(r1)
stfd f12,MODE_CHOICE(144,200)(r1)
stfd f13,MODE_CHOICE(152,208)(r1)
stfd f1,56(r1)
stfd f2,64(r1)
stfd f3,72(r1)
stfd f4,80(r1)
stfd f5,88(r1)
stfd f6,96(r1)
stfd f7,104(r1)
stfd f8,112(r1)
stfd f9,120(r1)
stfd f10,128(r1)
stfd f11,136(r1)
stfd f12,144(r1)
stfd f13,152(r1)
/* Set up registers for the routine that actually does the work.
Get the context pointer from the trampoline. */
mr r3,r11
/* Load the pointer to the result storage. */
/* current stack frame size - ((4/8 * 4) + saved registers) */
addi r4,r1,MODE_CHOICE(160,216)
/* Load the pointer to the saved gpr registers. */
addi r5,r1,MODE_CHOICE(200,304)
/* Load the pointer to the saved fpr registers. */
addi r6,r1,MODE_CHOICE(56,112)
/* Make the call. */
// Set up registers for the routine that actually does the work.
mr r3,r11 // context pointer from the trampoline
addi r4,r1,160 // result storage
addi r5,r1,200 // saved GPRs
addi r6,r1,56 // saved FPRs
bl Lffi_closure_helper_DARWIN$stub
/* Now r3 contains the return type
so use it to look up in a table
/* Now r3 contains the return type. Use it to look up in a table
so we know how to deal with each type. */
/* Look the proper starting point in table
by using return type as offset. */
addi r5,r1,MODE_CHOICE(160,216) // Get pointer to results area.
bl Lget_ret_type0_addr // Get pointer to Lret_type0 into LR.
mflr r4 // Move to r4.
slwi r3,r3,4 // Now multiply return type by 16.
add r3,r3,r4 // Add contents of table to table address.
addi r5,r1,160 // Copy result storage pointer.
bl Lget_ret_type0_addr // Get pointer to Lret_type0 into LR.
mflr r4 // Move to r4.
slwi r3,r3,4 // Multiply return type by 16.
add r3,r3,r4 // Add contents of table to table address.
mtctr r3
bctr
@ -143,7 +129,7 @@ Lret_type0:
/* case FFI_TYPE_INT */
Lret_type1:
lwz r3,MODE_CHOICE(0,4)(r5)
lwz r3,0(r5)
b Lfinish
nop
nop
@ -171,42 +157,42 @@ Lret_type4:
/* case FFI_TYPE_UINT8 */
Lret_type5:
lbz r3,MODE_CHOICE(3,7)(r5)
lbz r3,3(r5)
b Lfinish
nop
nop
/* case FFI_TYPE_SINT8 */
Lret_type6:
lbz r3,MODE_CHOICE(3,7)(r5)
lbz r3,3(r5)
extsb r3,r3
b Lfinish
nop
/* case FFI_TYPE_UINT16 */
Lret_type7:
lhz r3,MODE_CHOICE(2,6)(r5)
lhz r3,2(r5)
b Lfinish
nop
nop
/* case FFI_TYPE_SINT16 */
Lret_type8:
lha r3,MODE_CHOICE(2,6)(r5)
lha r3,2(r5)
b Lfinish
nop
nop
/* case FFI_TYPE_UINT32 */
Lret_type9: // same as Lret_type1
lwz r3,MODE_CHOICE(0,4)(r5)
lwz r3,0(r5)
b Lfinish
nop
nop
/* case FFI_TYPE_SINT32 */
Lret_type10: // same as Lret_type1
lwz r3,MODE_CHOICE(0,4)(r5)
lwz r3,0(r5)
b Lfinish
nop
nop
@ -227,7 +213,7 @@ Lret_type12: // same as Lret_type11
/* case FFI_TYPE_STRUCT */
Lret_type13:
b MODE_CHOICE(Lfinish,Lret_struct)
b Lfinish
nop
nop
nop
@ -239,12 +225,13 @@ Lret_type13:
// padded to 16 bytes.
Lret_type14:
lg r3,0(r5)
// fall through
/* case done */
Lfinish:
addi r1,r1,SF_ROUND(MODE_CHOICE(176,248)) // Restore stack pointer.
lg r0,MODE_CHOICE(8,16)(r1) /* Get return address. */
mtlr r0 /* Reset link register. */
addi r1,r1,SF_ROUND(176) // Restore stack pointer.
lg r0,SF_RETURN(r1) // Restore return address.
mtlr r0 // Restore link register.
blr
/* END(ffi_closure_ASM) */
@ -261,7 +248,7 @@ LSCIE1:
.byte 0x7c ; sleb128 -4; CIE Data Alignment Factor
.byte 0x41 ; CIE RA Column
.byte 0x1 ; uleb128 0x1; Augmentation size
.byte 0x90 ; FDE Encoding (indirect pcrel)
.byte 0x10 ; FDE Encoding (pcrel)
.byte 0xc ; DW_CFA_def_cfa
.byte 0x1 ; uleb128 0x1
.byte 0x0 ; uleb128 0x0
@ -275,7 +262,7 @@ LSFDE1:
LASFDE1:
.long LASFDE1-EH_frame1 ; FDE CIE offset
.g_long LLFB1$non_lazy_ptr-. ; FDE initial location
.g_long LFB1-. ; FDE initial location
.set L$set$3,LFE1-LFB1
.g_long L$set$3 ; FDE address range
.byte 0x0 ; uleb128 0x0; Augmentation size
@ -317,9 +304,5 @@ L_ffi_closure_helper_DARWIN$lazy_ptr:
.indirect_symbol _ffi_closure_helper_DARWIN
.g_long dyld_stub_binding_helper
.data
.align LOG2_GPR_BYTES
LLFB1$non_lazy_ptr:
.g_long LFB1
#endif // __ppc__

33
Modules/_ctypes/libffi_osx/powerpc/ppc-ffi_darwin.c
View File

@ -28,13 +28,13 @@
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#include "ffi.h"
#include "ffi_common.h"
#include <ffi.h>
#include <ffi_common.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "ppc-darwin.h"
#include <ppc-darwin.h>
#include <architecture/ppc/mode_independent_asm.h>
#if 0
@ -42,17 +42,14 @@
#include <libkern/OSCacheControl.h> // for sys_icache_invalidate()
#endif
#else
/* Explicit prototype instead of including a header to allow compilation
* on Tiger systems.
*/
#else
#pragma weak sys_icache_invalidate
extern void sys_icache_invalidate(void *start, size_t len);
#endif
extern void ffi_closure_ASM(void);
// The layout of a function descriptor. A C function pointer really
@ -760,9 +757,7 @@ ffi_prep_closure(
// Flush the icache. Only necessary on Darwin.
#if defined(POWERPC_DARWIN)
if (sys_icache_invalidate) {
sys_icache_invalidate(closure->tramp, FFI_TRAMPOLINE_SIZE);
}
sys_icache_invalidate(closure->tramp, FFI_TRAMPOLINE_SIZE);
#else
flush_range(closure->tramp, FFI_TRAMPOLINE_SIZE);
#endif
@ -804,6 +799,12 @@ ffi_prep_closure(
} ldu;
#endif
typedef union
{
float f;
double d;
} ffi_dblfl;
/* The trampoline invokes ffi_closure_ASM, and on entry, r11 holds the
address of the closure. After storing the registers that could possibly
contain parameters to be passed into the stack frame and setting up space
@ -829,7 +830,7 @@ ffi_closure_helper_DARWIN(
unsigned int nf = 0; /* number of FPRs already used. */
unsigned int ng = 0; /* number of GPRs already used. */
ffi_cif* cif = closure->cif;
unsigned int avn = cif->nargs;
long avn = cif->nargs;
void** avalue = alloca(cif->nargs * sizeof(void*));
ffi_type** arg_types = cif->arg_types;
@ -906,9 +907,9 @@ ffi_closure_helper_DARWIN(
size_al = ALIGN(arg_types[i]->size, 8);
if (size_al < 3)
avalue[i] = (char*)pgr + MODE_CHOICE(4,8) - size_al;
avalue[i] = (void*)pgr + MODE_CHOICE(4,8) - size_al;
else
avalue[i] = (char*)pgr;
avalue[i] = (void*)pgr;
ng += (size_al + 3) / sizeof(long);
pgr += (size_al + 3) / sizeof(long);
@ -988,8 +989,8 @@ ffi_closure_helper_DARWIN(
We use a union to pass the long double to avalue[i]. */
else if (nf == NUM_FPR_ARG_REGISTERS - 1)
{
memcpy (&temp_ld.lb[0], pfr, sizeof(ldbits));
memcpy (&temp_ld.lb[1], pgr + 2, sizeof(ldbits));
memcpy (&temp_ld.lb[0], pfr, sizeof(temp_ld.lb[0]));
memcpy (&temp_ld.lb[1], pgr + 2, sizeof(temp_ld.lb[1]));
avalue[i] = &temp_ld.ld;
}
#else

15
Modules/_ctypes/libffi_osx/powerpc/ppc64-darwin_closure.S
View File

@ -1,7 +1,7 @@
#if defined(__ppc64__)
/* -----------------------------------------------------------------------
darwin_closure.S - Copyright (c) 2002, 2003, 2004, Free Software Foundation,
ppc64-darwin_closure.S - Copyright (c) 2002, 2003, 2004, Free Software Foundation,
Inc. based on ppc_closure.S
PowerPC Assembly glue.
@ -297,8 +297,8 @@ Lret_struct:
// case done
Lfinish:
lg r1,0(r1) // Restore stack pointer.
ld r31,-8(r1) // Restore registers we used.
lg r1,0(r1) // Restore stack pointer.
ld r31,-8(r1) // Restore registers we used.
ld r30,-16(r1)
lg r0,SF_RETURN(r1) // Get return address.
mtlr r0 // Reset link register.
@ -318,7 +318,7 @@ LSCIE1:
.byte 0x7c ; sleb128 -4; CIE Data Alignment Factor
.byte 0x41 ; CIE RA Column
.byte 0x1 ; uleb128 0x1; Augmentation size
.byte 0x90 ; FDE Encoding (indirect pcrel)
.byte 0x10 ; FDE Encoding (pcrel)
.byte 0xc ; DW_CFA_def_cfa
.byte 0x1 ; uleb128 0x1
.byte 0x0 ; uleb128 0x0
@ -332,7 +332,7 @@ LSFDE1:
LASFDE1:
.long LASFDE1-EH_frame1 ; FDE CIE offset
.g_long LLFB1$non_lazy_ptr-. ; FDE initial location
.g_long LFB1-. ; FDE initial location
.set L$set$3,LFE1-LFB1
.g_long L$set$3 ; FDE address range
.byte 0x0 ; uleb128 0x0; Augmentation size
@ -374,11 +374,6 @@ L_ffi_closure_helper_DARWIN$lazy_ptr:
.indirect_symbol _ffi_closure_helper_DARWIN
.g_long dyld_stub_binding_helper
.data
.align LOG2_GPR_BYTES
LLFB1$non_lazy_ptr:
.g_long LFB1
.section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
.align LOG2_GPR_BYTES

416
Modules/_ctypes/libffi_osx/x86/x86-darwin.S
View File

@ -46,23 +46,20 @@
.globl _ffi_prep_args
.align 4
.align 4
.globl _ffi_call_SYSV
_ffi_call_SYSV:
.LFB1:
LFB1:
pushl %ebp
.LCFI0:
LCFI0:
movl %esp,%ebp
subl $8,%esp
ASSERT_STACK_ALIGNED
.LCFI1:
LCFI1:
subl $8,%esp
/* Make room for all of the new args. */
movl 16(%ebp),%ecx
subl %ecx,%esp
ASSERT_STACK_ALIGNED
movl %esp,%eax
/* Place all of the ffi_prep_args in position */
@ -71,170 +68,349 @@ _ffi_call_SYSV:
pushl %eax
call *8(%ebp)
ASSERT_STACK_ALIGNED
/* Return stack to previous state and call the function */
addl $16,%esp
ASSERT_STACK_ALIGNED
addl $16,%esp
call *28(%ebp)
/* XXX: return returns return with 'ret $4', that upsets the stack! */
/* Remove the space we pushed for the args */
movl 16(%ebp),%ecx
addl %ecx,%esp
/* 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 retint
jne Lretint
/* Even if there is no space for the return value, we are
obliged to handle floating-point values. */
cmpl $FFI_TYPE_FLOAT,%ecx
jne noretval
jne Lnoretval
fstp %st(0)
jmp epilogue
jmp Lepilogue
retint:
Lretint:
cmpl $FFI_TYPE_INT,%ecx
jne retfloat
jne Lretfloat
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
movl %eax,0(%ecx)
jmp epilogue
jmp Lepilogue
retfloat:
Lretfloat:
cmpl $FFI_TYPE_FLOAT,%ecx
jne retdouble
jne Lretdouble
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
fstps (%ecx)
jmp epilogue
jmp Lepilogue
retdouble:
Lretdouble:
cmpl $FFI_TYPE_DOUBLE,%ecx
jne retlongdouble
jne Lretlongdouble
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
fstpl (%ecx)
jmp epilogue
jmp Lepilogue
retlongdouble:
Lretlongdouble:
cmpl $FFI_TYPE_LONGDOUBLE,%ecx
jne retint64
jne Lretint64
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
fstpt (%ecx)
jmp epilogue
jmp Lepilogue
retint64:
Lretint64:
cmpl $FFI_TYPE_SINT64,%ecx
jne retstruct1b
jne Lretstruct1b
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
movl %eax,0(%ecx)
movl %edx,4(%ecx)
jmp epilogue
retstruct1b:
cmpl $FFI_TYPE_SINT8,%ecx
jne retstruct2b
movl 24(%ebp),%ecx
movb %al,0(%ecx)
jmp epilogue
retstruct2b:
cmpl $FFI_TYPE_SINT16,%ecx
jne retstruct
movl 24(%ebp),%ecx
movw %ax,0(%ecx)
jmp epilogue
jmp Lepilogue
retstruct:
cmpl $FFI_TYPE_STRUCT,%ecx
jne noretval
Lretstruct1b:
cmpl $FFI_TYPE_SINT8,%ecx
jne Lretstruct2b
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
movb %al,0(%ecx)
jmp Lepilogue
Lretstruct2b:
cmpl $FFI_TYPE_SINT16,%ecx
jne Lretstruct
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
movw %ax,0(%ecx)
jmp Lepilogue
Lretstruct:
cmpl $FFI_TYPE_STRUCT,%ecx
jne Lnoretval
/* Nothing to do! */
addl $4,%esp
popl %ebp
ret
subl $4,%esp
ASSERT_STACK_ALIGNED
addl $8,%esp
movl %ebp, %esp
popl %ebp
ret
noretval:
epilogue:
ASSERT_STACK_ALIGNED
addl $8, %esp
Lnoretval:
Lepilogue:
addl $8,%esp
movl %ebp,%esp
popl %ebp
ret
LFE1:
.ffi_call_SYSV_end:
#if 0
.size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
.align 4
FFI_HIDDEN (ffi_closure_SYSV)
.globl _ffi_closure_SYSV
_ffi_closure_SYSV:
LFB2:
pushl %ebp
LCFI2:
movl %esp, %ebp
LCFI3:
subl $56, %esp
leal -40(%ebp), %edx
movl %edx, -12(%ebp) /* resp */
leal 8(%ebp), %edx
movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */
leal -12(%ebp), %edx
movl %edx, (%esp) /* &resp */
movl %ebx, 8(%esp)
LCFI7:
call L_ffi_closure_SYSV_inner$stub
movl 8(%esp), %ebx
movl -12(%ebp), %ecx
cmpl $FFI_TYPE_INT, %eax
je Lcls_retint
cmpl $FFI_TYPE_FLOAT, %eax
je Lcls_retfloat
cmpl $FFI_TYPE_DOUBLE, %eax
je Lcls_retdouble
cmpl $FFI_TYPE_LONGDOUBLE, %eax
je Lcls_retldouble
cmpl $FFI_TYPE_SINT64, %eax
je Lcls_retllong
cmpl $FFI_TYPE_SINT8, %eax
je Lcls_retstruct1
cmpl $FFI_TYPE_SINT16, %eax
je Lcls_retstruct2
cmpl $FFI_TYPE_STRUCT, %eax
je Lcls_retstruct
Lcls_epilogue:
movl %ebp, %esp
popl %ebp
ret
Lcls_retint:
movl (%ecx), %eax
jmp Lcls_epilogue
Lcls_retfloat:
flds (%ecx)
jmp Lcls_epilogue
Lcls_retdouble:
fldl (%ecx)
jmp Lcls_epilogue
Lcls_retldouble:
fldt (%ecx)
jmp Lcls_epilogue
Lcls_retllong:
movl (%ecx), %eax
movl 4(%ecx), %edx
jmp Lcls_epilogue
Lcls_retstruct1:
movsbl (%ecx), %eax
jmp Lcls_epilogue
Lcls_retstruct2:
movswl (%ecx), %eax
jmp Lcls_epilogue
Lcls_retstruct:
lea -8(%ebp),%esp
movl %ebp, %esp
popl %ebp
ret $4
LFE2:
#if !FFI_NO_RAW_API
#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) & ~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
.align 4
FFI_HIDDEN (ffi_closure_raw_SYSV)
.globl _ffi_closure_raw_SYSV
_ffi_closure_raw_SYSV:
LFB3:
pushl %ebp
LCFI4:
movl %esp, %ebp
LCFI5:
pushl %esi
LCFI6:
subl $36, %esp
movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */
movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */
movl %edx, 12(%esp) /* user_data */
leal 8(%ebp), %edx /* __builtin_dwarf_cfa () */
movl %edx, 8(%esp) /* raw_args */
leal -24(%ebp), %edx
movl %edx, 4(%esp) /* &res */
movl %esi, (%esp) /* cif */
call *RAW_CLOSURE_FUN_OFFSET(%eax) /* closure->fun */
movl CIF_FLAGS_OFFSET(%esi), %eax /* rtype */
cmpl $FFI_TYPE_INT, %eax
je Lrcls_retint
cmpl $FFI_TYPE_FLOAT, %eax
je Lrcls_retfloat
cmpl $FFI_TYPE_DOUBLE, %eax
je Lrcls_retdouble
cmpl $FFI_TYPE_LONGDOUBLE, %eax
je Lrcls_retldouble
cmpl $FFI_TYPE_SINT64, %eax
je Lrcls_retllong
Lrcls_epilogue:
addl $36, %esp
popl %esi
popl %ebp
ret
Lrcls_retint:
movl -24(%ebp), %eax
jmp Lrcls_epilogue
Lrcls_retfloat:
flds -24(%ebp)
jmp Lrcls_epilogue
Lrcls_retdouble:
fldl -24(%ebp)
jmp Lrcls_epilogue
Lrcls_retldouble:
fldt -24(%ebp)
jmp Lrcls_epilogue
Lrcls_retllong:
movl -24(%ebp), %eax
movl -20(%ebp), %edx
jmp Lrcls_epilogue
LFE3:
#endif
#if 0
.section .eh_frame,EH_FRAME_FLAGS,@progbits
.Lframe1:
.long .LECIE1-.LSCIE1 /* Length of Common Information Entry */
.LSCIE1:
.long 0x0 /* CIE Identifier Tag */
.byte 0x1 /* CIE Version */
#ifdef __PIC__
.ascii "zR\0" /* CIE Augmentation */
#else
.ascii "\0" /* CIE Augmentation */
#endif
.byte 0x1 /* .uleb128 0x1; CIE Code Alignment Factor */
.byte 0x7c /* .sleb128 -4; CIE Data Alignment Factor */
.byte 0x8 /* CIE RA Column */
#ifdef __PIC__
.byte 0x1 /* .uleb128 0x1; Augmentation size */
.byte 0x1b /* FDE Encoding (pcrel sdata4) */
#endif
.byte 0xc /* DW_CFA_def_cfa */
.byte 0x4 /* .uleb128 0x4 */
.byte 0x4 /* .uleb128 0x4 */
.byte 0x88 /* DW_CFA_offset, column 0x8 */
.byte 0x1 /* .uleb128 0x1 */
.align 4
.LECIE1:
.LSFDE1:
.long .LEFDE1-.LASFDE1 /* FDE Length */
.LASFDE1:
.long .LASFDE1-.Lframe1 /* FDE CIE offset */
#ifdef __PIC__
.long .LFB1-. /* FDE initial location */
#else
.long .LFB1 /* FDE initial location */
#endif
.long .ffi_call_SYSV_end-.LFB1 /* FDE address range */
#ifdef __PIC__
.byte 0x0 /* .uleb128 0x0; Augmentation size */
#endif
.byte 0x4 /* DW_CFA_advance_loc4 */
.long .LCFI0-.LFB1
.byte 0xe /* DW_CFA_def_cfa_offset */
.byte 0x8 /* .uleb128 0x8 */
.byte 0x85 /* DW_CFA_offset, column 0x5 */
.byte 0x2 /* .uleb128 0x2 */
.byte 0x4 /* DW_CFA_advance_loc4 */
.long .LCFI1-.LCFI0
.byte 0xd /* DW_CFA_def_cfa_register */
.byte 0x5 /* .uleb128 0x5 */
.align 4
.LEFDE1:
.section __IMPORT,__jump_table,symbol_stubs,self_modifying_code+pure_instructions,5
L_ffi_closure_SYSV_inner$stub:
.indirect_symbol _ffi_closure_SYSV_inner
hlt ; hlt ; hlt ; hlt ; hlt
.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
EH_frame1:
.set L$set$0,LECIE1-LSCIE1
.long L$set$0
LSCIE1:
.long 0x0
.byte 0x1
.ascii "zR\0"
.byte 0x1
.byte 0x7c
.byte 0x8
.byte 0x1
.byte 0x10
.byte 0xc
.byte 0x5
.byte 0x4
.byte 0x88
.byte 0x1
.align 2
LECIE1:
.globl _ffi_call_SYSV.eh
_ffi_call_SYSV.eh:
LSFDE1:
.set L$set$1,LEFDE1-LASFDE1
.long L$set$1
LASFDE1:
.long LASFDE1-EH_frame1
.long LFB1-.
.set L$set$2,LFE1-LFB1
.long L$set$2
.byte 0x0
.byte 0x4
.set L$set$3,LCFI0-LFB1
.long L$set$3
.byte 0xe
.byte 0x8
.byte 0x84
.byte 0x2
.byte 0x4
.set L$set$4,LCFI1-LCFI0
.long L$set$4
.byte 0xd
.byte 0x4
.align 2
LEFDE1:
.globl _ffi_closure_SYSV.eh
_ffi_closure_SYSV.eh:
LSFDE2:
.set L$set$5,LEFDE2-LASFDE2
.long L$set$5
LASFDE2:
.long LASFDE2-EH_frame1
.long LFB2-.
.set L$set$6,LFE2-LFB2
.long L$set$6
.byte 0x0
.byte 0x4
.set L$set$7,LCFI2-LFB2
.long L$set$7
.byte 0xe
.byte 0x8
.byte 0x84
.byte 0x2
.byte 0x4
.set L$set$8,LCFI3-LCFI2
.long L$set$8
.byte 0xd
.byte 0x4
.align 2
LEFDE2:
#if !FFI_NO_RAW_API
.globl _ffi_closure_raw_SYSV.eh
_ffi_closure_raw_SYSV.eh:
LSFDE3:
.set L$set$10,LEFDE3-LASFDE3
.long L$set$10
LASFDE3:
.long LASFDE3-EH_frame1
.long LFB3-.
.set L$set$11,LFE3-LFB3
.long L$set$11
.byte 0x0
.byte 0x4
.set L$set$12,LCFI4-LFB3
.long L$set$12
.byte 0xe
.byte 0x8
.byte 0x84
.byte 0x2
.byte 0x4
.set L$set$13,LCFI5-LCFI4
.long L$set$13
.byte 0xd
.byte 0x4
.byte 0x4
.set L$set$14,LCFI6-LCFI5
.long L$set$14
.byte 0x85
.byte 0x3
.align 2
LEFDE3:
#endif
#endif /* ifndef __x86_64__ */

4
Modules/_ctypes/libffi_osx/x86/x86-ffi64.c
View File

@ -55,7 +55,7 @@ ffi_call_unix64(
/* Register class used for passing given 64bit part of the argument.
These represent classes as documented by the PS ABI, with the exception
of SSESF, SSEDF classes, that are basically SSE class, just gcc will
use SF or DFmode move instead of DImode to avoid reformatting penalties.
use SF or DFmode move instead of DImode to avoid reformating penalties.
Similary we play games with INTEGERSI_CLASS to use cheaper SImode moves
whenever possible (upper half does contain padding). */
@ -621,4 +621,4 @@ ffi_closure_unix64_inner(
return ret;
}
#endif /* __x86_64__ */
#endif /* __x86_64__ */

817
Modules/_ctypes/libffi_osx/x86/x86-ffi_darwin.c
View File

@ -27,543 +27,410 @@
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
//#ifndef __x86_64__
#include <ffi.h>
#include <ffi_common.h>
#include <stdlib.h>
//void ffi_prep_args(char *stack, extended_cif *ecif);
static inline int
retval_on_stack(
ffi_type* tp)
{
if (tp->type == FFI_TYPE_STRUCT)
{
// int size = tp->size;
if (tp->size > 8)
return 1;
switch (tp->size)
{
case 1: case 2: case 4: case 8:
return 0;
default:
return 1;
}
}
return 0;
}
/* ffi_prep_args is called by the assembly routine once stack space
has been allocated for the function's arguments */
/*@-exportheader@*/
extern void ffi_prep_args(char*, extended_cif*);
void
ffi_prep_args(
char* stack,
extended_cif* ecif)
/*@=exportheader@*/
has been allocated for the function's arguments */
void ffi_prep_args(char *stack, extended_cif *ecif)
{
register unsigned int i;
register void** p_argv = ecif->avalue;
register char* argp = stack;
register ffi_type** p_arg;
if (retval_on_stack(ecif->cif->rtype))
{
*(void**)argp = ecif->rvalue;
argp += 4;
}
p_arg = ecif->cif->arg_types;
for (i = ecif->cif->nargs; i > 0; i--, p_arg++, p_argv++)
register unsigned int i;
register void **p_argv;
register char *argp;
register ffi_type **p_arg;
argp = stack;
if (ecif->cif->flags == FFI_TYPE_STRUCT)
{
size_t z = (*p_arg)->size;
/* Align if necessary */
if ((sizeof(int) - 1) & (unsigned)argp)
argp = (char*)ALIGN(argp, sizeof(int));
if (z < sizeof(int))
{
z = sizeof(int);
switch ((*p_arg)->type)
{
case FFI_TYPE_SINT8:
*(signed int*)argp = (signed int)*(SINT8*)(*p_argv);
break;
case FFI_TYPE_UINT8:
*(unsigned int*)argp = (unsigned int)*(UINT8*)(*p_argv);
break;
case FFI_TYPE_SINT16:
*(signed int*)argp = (signed int)*(SINT16*)(*p_argv);
break;
case FFI_TYPE_UINT16:
*(unsigned int*)argp = (unsigned int)*(UINT16*)(*p_argv);
break;
case FFI_TYPE_SINT32:
*(signed int*)argp = (signed int)*(SINT32*)(*p_argv);
break;
case FFI_TYPE_UINT32:
*(unsigned int*)argp = (unsigned int)*(UINT32*)(*p_argv);
break;
case FFI_TYPE_STRUCT:
*(unsigned int*)argp = (unsigned int)*(UINT32*)(*p_argv);
break;
default:
FFI_ASSERT(0);
break;
}
}
else
memcpy(argp, *p_argv, z);
argp += z;
}
*(void **) argp = ecif->rvalue;
argp += 4;
}
p_argv = ecif->avalue;
for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
i != 0;
i--, p_arg++)
{
size_t z;
/* Align if necessary */
if ((sizeof(int) - 1) & (unsigned) argp)
argp = (char *) ALIGN(argp, sizeof(int));
z = (*p_arg)->size;
if (z < sizeof(int))
{
z = sizeof(int);
switch ((*p_arg)->type)
{
case FFI_TYPE_SINT8:
*(signed int *) argp = (signed int)*(SINT8 *)(* p_argv);
break;
case FFI_TYPE_UINT8:
*(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv);
break;
case FFI_TYPE_SINT16:
*(signed int *) argp = (signed int)*(SINT16 *)(* p_argv);
break;
case FFI_TYPE_UINT16:
*(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv);
break;
case FFI_TYPE_SINT32:
*(signed int *) argp = (signed int)*(SINT32 *)(* p_argv);
break;
case FFI_TYPE_UINT32:
*(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
break;
case FFI_TYPE_STRUCT:
*(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
break;
default:
FFI_ASSERT(0);
}
}
else
{
memcpy(argp, *p_argv, z);
}
p_argv++;
argp += z;
}
return;
}
/* Perform machine dependent cif processing */
ffi_status
ffi_prep_cif_machdep(
ffi_cif* cif)
ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
{
/* Set the return type flag */
switch (cif->rtype->type)
{
#if !defined(X86_WIN32) && !defined(X86_DARWIN)
case FFI_TYPE_STRUCT:
/* Set the return type flag */
switch (cif->rtype->type)
{
case FFI_TYPE_VOID:
#ifdef X86
case FFI_TYPE_STRUCT:
case FFI_TYPE_UINT8:
case FFI_TYPE_UINT16:
case FFI_TYPE_SINT8:
case FFI_TYPE_SINT16:
#endif
case FFI_TYPE_VOID:
case FFI_TYPE_SINT64:
case FFI_TYPE_FLOAT:
case FFI_TYPE_DOUBLE:
case FFI_TYPE_LONGDOUBLE:
cif->flags = (unsigned)cif->rtype->type;
break;
case FFI_TYPE_UINT64:
cif->flags = FFI_TYPE_SINT64;
break;
#if defined(X86_WIN32) || defined(X86_DARWIN)
case FFI_TYPE_STRUCT:
switch (cif->rtype->size)
{
case 1:
cif->flags = FFI_TYPE_SINT8;
break;
case 2:
cif->flags = FFI_TYPE_SINT16;
break;
case 4:
cif->flags = FFI_TYPE_INT;
break;
case 8:
cif->flags = FFI_TYPE_SINT64;
break;
default:
cif->flags = FFI_TYPE_STRUCT;
break;
}
break;
case FFI_TYPE_SINT64:
case FFI_TYPE_FLOAT:
case FFI_TYPE_DOUBLE:
case FFI_TYPE_LONGDOUBLE:
cif->flags = (unsigned) cif->rtype->type;
break;
case FFI_TYPE_UINT64:
cif->flags = FFI_TYPE_SINT64;
break;
#ifndef X86
case FFI_TYPE_STRUCT:
if (cif->rtype->size == 1)
{
cif->flags = FFI_TYPE_SINT8; /* same as char size */
}
else if (cif->rtype->size == 2)
{
cif->flags = FFI_TYPE_SINT16; /* same as short size */
}
else if (cif->rtype->size == 4)
{
cif->flags = FFI_TYPE_INT; /* same as int type */
}
else if (cif->rtype->size == 8)
{
cif->flags = FFI_TYPE_SINT64; /* same as int64 type */
}
else
{
cif->flags = FFI_TYPE_STRUCT;
}
break;
#endif
default:
cif->flags = FFI_TYPE_INT;
break;
}
/* Darwin: The stack needs to be aligned to a multiple of 16 bytes */
cif->bytes = (cif->bytes + 15) & ~0xF;
return FFI_OK;
default:
cif->flags = FFI_TYPE_INT;
break;
}
#ifdef X86_DARWIN
cif->bytes = (cif->bytes + 15) & ~0xF;
#endif
return FFI_OK;
}
/*@-declundef@*/
/*@-exportheader@*/
extern void
ffi_call_SYSV(
void (*)(char *, extended_cif *),
/*@out@*/ extended_cif* ,
unsigned ,
unsigned ,
/*@out@*/ unsigned* ,
void (*fn)(void));
/*@=declundef@*/
/*@=exportheader@*/
extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *,
unsigned, unsigned, unsigned *, void (*fn)());
#ifdef X86_WIN32
/*@-declundef@*/
/*@-exportheader@*/
extern void
ffi_call_STDCALL(
void (char *, extended_cif *),
/*@out@*/ extended_cif* ,
unsigned ,
unsigned ,
/*@out@*/ unsigned* ,
void (*fn)(void));
/*@=declundef@*/
/*@=exportheader@*/
extern void ffi_call_STDCALL(void (*)(char *, extended_cif *), extended_cif *,
unsigned, unsigned, unsigned *, void (*fn)());
#endif /* X86_WIN32 */
void
ffi_call(
/*@dependent@*/ ffi_cif* cif,
void (*fn)(void),
/*@out@*/ void* rvalue,
/*@dependent@*/ void** avalue)
void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue)
{
extended_cif ecif;
ecif.cif = cif;
ecif.avalue = avalue;
/* If the return value is a struct and we don't have a return
value address then we need to make one. */
if ((rvalue == NULL) && retval_on_stack(cif->rtype))
{
/*@-sysunrecog@*/
ecif.rvalue = alloca(cif->rtype->size);
/*@=sysunrecog@*/
}
else
ecif.rvalue = rvalue;
switch (cif->abi)
{
case FFI_SYSV:
/*@-usedef@*/
/* To avoid changing the assembly code make sure the size of the argument
block is a multiple of 16. Then add 8 to compensate for local variables
in ffi_call_SYSV. */
ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes,
cif->flags, ecif.rvalue, fn);
/*@=usedef@*/
break;
extended_cif ecif;
ecif.cif = cif;
ecif.avalue = avalue;
/* If the return value is a struct and we don't have a return */
/* value address then we need to make one */
if ((rvalue == NULL) &&
(cif->flags == FFI_TYPE_STRUCT))
{
ecif.rvalue = alloca(cif->rtype->size);
}
else
ecif.rvalue = rvalue;
switch (cif->abi)
{
case FFI_SYSV:
ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, cif->flags, ecif.rvalue,
fn);
break;
#ifdef X86_WIN32
case FFI_STDCALL:
/*@-usedef@*/
ffi_call_STDCALL(ffi_prep_args, &ecif, cif->bytes,
cif->flags, ecif.rvalue, fn);
/*@=usedef@*/
break;
case FFI_STDCALL:
ffi_call_STDCALL(ffi_prep_args, &ecif, cif->bytes, cif->flags,
ecif.rvalue, fn);
break;
#endif /* X86_WIN32 */
default:
FFI_ASSERT(0);
break;
}
default:
FFI_ASSERT(0);
break;
}
}
/** private members **/
static void
ffi_closure_SYSV(
ffi_closure* closure) __attribute__((regparm(1)));
#if !FFI_NO_RAW_API
static void
ffi_closure_raw_SYSV(
ffi_raw_closure* closure) __attribute__((regparm(1)));
#endif
/*@-exportheader@*/
static inline
void
ffi_prep_incoming_args_SYSV(
char* stack,
void** rvalue,
void** avalue,
ffi_cif* cif)
/*@=exportheader@*/
{
register unsigned int i;
register void** p_argv = avalue;
register char* argp = stack;
register ffi_type** p_arg;
if (retval_on_stack(cif->rtype))
{
*rvalue = *(void**)argp;
argp += 4;
}
for (i = cif->nargs, p_arg = cif->arg_types; i > 0; i--, p_arg++, p_argv++)
{
// size_t z;
/* Align if necessary */
if ((sizeof(int) - 1) & (unsigned)argp)
argp = (char*)ALIGN(argp, sizeof(int));
// z = (*p_arg)->size;
/* because we're little endian, this is what it turns into. */
*p_argv = (void*)argp;
argp += (*p_arg)->size;
}
}
static void ffi_prep_incoming_args_SYSV (char *stack, void **ret,
void** args, ffi_cif* cif);
void FFI_HIDDEN ffi_closure_SYSV (ffi_closure *)
__attribute__ ((regparm(1)));
unsigned int FFI_HIDDEN ffi_closure_SYSV_inner (ffi_closure *, void **, void *)
__attribute__ ((regparm(1)));
void FFI_HIDDEN ffi_closure_raw_SYSV (ffi_raw_closure *)
__attribute__ ((regparm(1)));
/* This function is jumped to by the trampoline */
__attribute__((regparm(1)))
static void
ffi_closure_SYSV(
ffi_closure* closure)
unsigned int FFI_HIDDEN
ffi_closure_SYSV_inner (closure, respp, args)
ffi_closure *closure;
void **respp;
void *args;
{
long double res;
ffi_cif* cif = closure->cif;
void** arg_area = (void**)alloca(cif->nargs * sizeof(void*));
void* resp = (void*)&res;
void* args = __builtin_dwarf_cfa();
/* This call will initialize ARG_AREA, such that each
element in that array points to the corresponding
value on the stack; and if the function returns
a structure, it will reset RESP to point to the
structure return address. */
ffi_prep_incoming_args_SYSV(args, (void**)&resp, arg_area, cif);
(closure->fun)(cif, resp, arg_area, closure->user_data);
/* now, do a generic return based on the value of rtype */
if (cif->flags == FFI_TYPE_INT)
asm("movl (%0),%%eax"
: : "r" (resp) : "eax");
else if (cif->flags == FFI_TYPE_FLOAT)
asm("flds (%0)"
: : "r" (resp) : "st");
else if (cif->flags == FFI_TYPE_DOUBLE)
asm("fldl (%0)"
: : "r" (resp) : "st", "st(1)");
else if (cif->flags == FFI_TYPE_LONGDOUBLE)
asm("fldt (%0)"
: : "r" (resp) : "st", "st(1)");
else if (cif->flags == FFI_TYPE_SINT64)
asm("movl 0(%0),%%eax;"
"movl 4(%0),%%edx"
: : "r" (resp)
: "eax", "edx");
#if defined(X86_WIN32) || defined(X86_DARWIN)
else if (cif->flags == FFI_TYPE_SINT8) /* 1-byte struct */
asm("movsbl (%0),%%eax"
: : "r" (resp) : "eax");
else if (cif->flags == FFI_TYPE_SINT16) /* 2-bytes struct */
asm("movswl (%0),%%eax"
: : "r" (resp) : "eax");
#endif
else if (cif->flags == FFI_TYPE_STRUCT)
asm("lea -8(%ebp),%esp;"
"pop %esi;"
"pop %edi;"
"pop %ebp;"
"ret $4");
// our various things...
ffi_cif *cif;
void **arg_area;
cif = closure->cif;
arg_area = (void**) alloca (cif->nargs * sizeof (void*));
/* this call will initialize ARG_AREA, such that each
* element in that array points to the corresponding
* value on the stack; and if the function returns
* a structure, it will re-set RESP to point to the
* structure return address. */
ffi_prep_incoming_args_SYSV(args, respp, arg_area, cif);
(closure->fun) (cif, *respp, arg_area, closure->user_data);
return cif->flags;
}
static void
ffi_prep_incoming_args_SYSV(char *stack, void **rvalue, void **avalue,
ffi_cif *cif)
{
register unsigned int i;
register void **p_argv;
register char *argp;
register ffi_type **p_arg;
argp = stack;
if ( cif->flags == FFI_TYPE_STRUCT ) {
*rvalue = *(void **) argp;
argp += 4;
}
p_argv = avalue;
for (i = cif->nargs, p_arg = cif->arg_types; (i != 0); i--, p_arg++)
{
size_t z;
/* Align if necessary */
if ((sizeof(int) - 1) & (unsigned) argp) {
argp = (char *) ALIGN(argp, sizeof(int));
}
z = (*p_arg)->size;
/* because we're little endian, this is what it turns into. */
*p_argv = (void*) argp;
p_argv++;
argp += z;
}
return;
}
/* 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 int __fun = (unsigned int)(FUN); \
unsigned int __ctx = (unsigned int)(CTX); \
unsigned int __dis = __fun - ((unsigned int)__tramp + FFI_TRAMPOLINE_SIZE); \
*(unsigned char*)&__tramp[0] = 0xb8; \
*(unsigned int*)&__tramp[1] = __ctx; /* movl __ctx, %eax */ \
*(unsigned char*)&__tramp[5] = 0xe9; \
*(unsigned int*)&__tramp[6] = __dis; /* jmp __fun */ \
})
#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \
({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
unsigned int __fun = (unsigned int)(FUN); \
unsigned int __ctx = (unsigned int)(CTX); \
unsigned int __dis = __fun - (__ctx + FFI_TRAMPOLINE_SIZE); \
*(unsigned char*) &__tramp[0] = 0xb8; \
*(unsigned int*) &__tramp[1] = __ctx; /* movl __ctx, %eax */ \
*(unsigned char *) &__tramp[5] = 0xe9; \
*(unsigned int*) &__tramp[6] = __dis; /* jmp __fun */ \
})
/* the cif must already be prep'ed */
ffi_status
ffi_prep_closure(
ffi_closure* closure,
ffi_cif* cif,
void (*fun)(ffi_cif*,void*,void**,void*),
void* user_data)
ffi_prep_closure (ffi_closure* closure,
ffi_cif* cif,
void (*fun)(ffi_cif*,void*,void**,void*),
void *user_data)
{
// FFI_ASSERT(cif->abi == FFI_SYSV);
if (cif->abi != FFI_SYSV)
return FFI_BAD_ABI;
FFI_INIT_TRAMPOLINE(closure->tramp, &ffi_closure_SYSV, (void*)closure);
closure->cif = cif;
closure->user_data = user_data;
closure->fun = fun;
return FFI_OK;
FFI_INIT_TRAMPOLINE (&closure->tramp[0], \
&ffi_closure_SYSV, \
(void*)closure);
closure->cif = cif;
closure->user_data = user_data;
closure->fun = fun;
return FFI_OK;
}
/* ------- Native raw API support -------------------------------- */
#if !FFI_NO_RAW_API
__attribute__((regparm(1)))
static void
ffi_closure_raw_SYSV(
ffi_raw_closure* closure)
{
long double res;
ffi_raw* raw_args = (ffi_raw*)__builtin_dwarf_cfa();
ffi_cif* cif = closure->cif;
unsigned short rtype = cif->flags;
void* resp = (void*)&res;
(closure->fun)(cif, resp, raw_args, closure->user_data);
/* now, do a generic return based on the value of rtype */
if (rtype == FFI_TYPE_INT)
asm("movl (%0),%%eax"
: : "r" (resp) : "eax");
else if (rtype == FFI_TYPE_FLOAT)
asm("flds (%0)"
: : "r" (resp) : "st");
else if (rtype == FFI_TYPE_DOUBLE)
asm("fldl (%0)"
: : "r" (resp) : "st", "st(1)");
else if (rtype == FFI_TYPE_LONGDOUBLE)
asm("fldt (%0)"
: : "r" (resp) : "st", "st(1)");
else if (rtype == FFI_TYPE_SINT64)
asm("movl 0(%0),%%eax;"
"movl 4(%0),%%edx"
: : "r" (resp) : "eax", "edx");
}
ffi_status
ffi_prep_raw_closure(
ffi_raw_closure* closure,
ffi_cif* cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void* user_data)
ffi_prep_raw_closure_loc (ffi_raw_closure* closure,
ffi_cif* cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data,
void *codeloc)
{
// FFI_ASSERT (cif->abi == FFI_SYSV);
if (cif->abi != FFI_SYSV)
return FFI_BAD_ABI;
int i;
/* We currently don't support certain kinds of arguments for raw
closures. This should be implemented by a separate assembly language
routine, since it would require argument processing, something we
don't do now for performance. */
for (i = cif->nargs - 1; i >= 0; i--)
{
FFI_ASSERT(cif->arg_types[i]->type != FFI_TYPE_STRUCT);
FFI_ASSERT(cif->arg_types[i]->type != FFI_TYPE_LONGDOUBLE);
}
FFI_INIT_TRAMPOLINE(closure->tramp, &ffi_closure_raw_SYSV, (void*)closure);
closure->cif = cif;
closure->user_data = user_data;
closure->fun = fun;
return FFI_OK;
int i;
FFI_ASSERT (cif->abi == FFI_SYSV);
// we currently don't support certain kinds of arguments for raw
// closures. This should be implemented by a separate assembly language
// routine, since it would require argument processing, something we
// don't do now for performance.
for (i = cif->nargs-1; i >= 0; i--)
{
FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_STRUCT);
FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_LONGDOUBLE);
}
FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_raw_SYSV,
codeloc);
closure->cif = cif;
closure->user_data = user_data;
closure->fun = fun;
return FFI_OK;
}
static void
ffi_prep_args_raw(
char* stack,
extended_cif* ecif)
ffi_prep_args_raw(char *stack, extended_cif *ecif)
{
memcpy(stack, ecif->avalue, ecif->cif->bytes);
memcpy (stack, ecif->avalue, ecif->cif->bytes);
}
/* We borrow this routine from libffi (it must be changed, though, to
actually call the function passed in the first argument. as of
libffi-1.20, this is not the case.) */
//extern void
//ffi_call_SYSV(
// void (*)(char *, extended_cif *),
///*@out@*/ extended_cif* ,
// unsigned ,
// unsigned ,
//*@out@*/ unsigned* ,
// void (*fn)());
/* we borrow this routine from libffi (it must be changed, though, to
* actually call the function passed in the first argument. as of
* libffi-1.20, this is not the case.)
*/
extern void
ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *, unsigned,
unsigned, unsigned *, void (*fn)());
#ifdef X86_WIN32
extern void
ffi_call_STDCALL(
void (*)(char *, extended_cif *),
/*@out@*/ extended_cif* ,
unsigned ,
unsigned ,
/*@out@*/ unsigned* ,
void (*fn)());
#endif // X86_WIN32
ffi_call_STDCALL(void (*)(char *, extended_cif *), extended_cif *, unsigned,
unsigned, unsigned *, void (*fn)());
#endif /* X86_WIN32 */
void
ffi_raw_call(
/*@dependent@*/ ffi_cif* cif,
void (*fn)(),
/*@out@*/ void* rvalue,
/*@dependent@*/ ffi_raw* fake_avalue)
ffi_raw_call(ffi_cif *cif, void (*fn)(), void *rvalue, ffi_raw *fake_avalue)
{
extended_cif ecif;
void **avalue = (void **)fake_avalue;
ecif.cif = cif;
ecif.avalue = avalue;
/* If the return value is a struct and we don't have a return
value address then we need to make one */
if ((rvalue == NULL) && retval_on_stack(cif->rtype))
{
/*@-sysunrecog@*/
ecif.rvalue = alloca(cif->rtype->size);
/*@=sysunrecog@*/
}
else
ecif.rvalue = rvalue;
switch (cif->abi)
{
case FFI_SYSV:
/*@-usedef@*/
ffi_call_SYSV(ffi_prep_args_raw, &ecif, cif->bytes,
cif->flags, ecif.rvalue, fn);
/*@=usedef@*/
break;
extended_cif ecif;
void **avalue = (void **)fake_avalue;
ecif.cif = cif;
ecif.avalue = avalue;
/* If the return value is a struct and we don't have a return */
/* value address then we need to make one */
if ((rvalue == NULL) &&
(cif->rtype->type == FFI_TYPE_STRUCT))
{
ecif.rvalue = alloca(cif->rtype->size);
}
else
ecif.rvalue = rvalue;
switch (cif->abi)
{
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:
/*@-usedef@*/
ffi_call_STDCALL(ffi_prep_args_raw, &ecif, cif->bytes,
cif->flags, ecif.rvalue, fn);
/*@=usedef@*/
break;
case FFI_STDCALL:
ffi_call_STDCALL(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags,
ecif.rvalue, fn);
break;
#endif /* X86_WIN32 */
default:
FFI_ASSERT(0);
break;
default:
FFI_ASSERT(0);
break;
}
}
#endif // !FFI_NO_RAW_API
//#endif // !__x86_64__
#endif // __i386__
#endif
#endif // __i386__