Sync with files from the just released libffi 3.0.5 version.

This commit is contained in:
Thomas Heller 2008-04-04 16:01:54 +00:00
parent 449651558c
commit e1929d5133
5 changed files with 1246 additions and 2 deletions

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@ -57,7 +57,9 @@ extern "C" {
#endif
/* Specify which architecture libffi is configured for. */
#ifndef @TARGET@
#define @TARGET@
#endif
/* ---- System configuration information --------------------------------- */

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@ -0,0 +1,368 @@
/* -----------------------------------------------------------------------
hpux32.S - Copyright (c) 2006 Free Software Foundation, Inc.
(c) 2008 Red Hat, Inc.
based on src/pa/linux.S
HP-UX PA Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
.LEVEL 1.1
.SPACE $PRIVATE$
.IMPORT $global$,DATA
.IMPORT $$dyncall,MILLICODE
.SUBSPA $DATA$
.align 4
/* void ffi_call_pa32(void (*)(char *, extended_cif *),
extended_cif *ecif,
unsigned bytes,
unsigned flags,
unsigned *rvalue,
void (*fn)(void));
*/
.export ffi_call_pa32,ENTRY,PRIV_LEV=3
.import ffi_prep_args_pa32,CODE
.SPACE $TEXT$
.SUBSPA $CODE$
.align 4
L$FB1
ffi_call_pa32
.proc
.callinfo FRAME=64,CALLS,SAVE_RP,SAVE_SP,ENTRY_GR=4
.entry
stw %rp, -20(%sp)
copy %r3, %r1
L$CFI11
copy %sp, %r3
L$CFI12
/* Setup the stack for calling prep_args...
We want the stack to look like this:
[ Previous stack ] <- %r3
[ 64-bytes register save area ] <- %r4
[ Stack space for actual call, passed as ] <- %arg0
[ arg0 to ffi_prep_args_pa32 ]
[ Stack for calling prep_args ] <- %sp
*/
stwm %r1, 64(%sp)
stw %r4, 12(%r3)
L$CFI13
copy %sp, %r4
addl %arg2, %r4, %arg0 ; arg stack
stw %arg3, -48(%r3) ; save flags we need it later
/* Call prep_args:
%arg0(stack) -- set up above
%arg1(ecif) -- same as incoming param
%arg2(bytes) -- same as incoming param */
bl ffi_prep_args_pa32,%r2
ldo 64(%arg0), %sp
ldo -64(%sp), %sp
/* now %sp should point where %arg0 was pointing. */
/* Load the arguments that should be passed in registers
The fp args are loaded by the prep_args function. */
ldw -36(%sp), %arg0
ldw -40(%sp), %arg1
ldw -44(%sp), %arg2
ldw -48(%sp), %arg3
/* in case the function is going to return a structure
we need to give it a place to put the result. */
ldw -52(%r3), %ret0 ; %ret0 <- rvalue
ldw -56(%r3), %r22 ; %r22 <- function to call
bl $$dyncall, %r31 ; Call the user function
copy %r31, %rp
/* Prepare to store the result; we need to recover flags and rvalue. */
ldw -48(%r3), %r21 ; r21 <- flags
ldw -52(%r3), %r20 ; r20 <- rvalue
/* Store the result according to the return type. The most
likely types should come first. */
L$checkint
comib,<>,n FFI_TYPE_INT, %r21, L$checkint8
b L$done
stw %ret0, 0(%r20)
L$checkint8
comib,<>,n FFI_TYPE_UINT8, %r21, L$checkint16
b L$done
stb %ret0, 0(%r20)
L$checkint16
comib,<>,n FFI_TYPE_UINT16, %r21, L$checkdbl
b L$done
sth %ret0, 0(%r20)
L$checkdbl
comib,<>,n FFI_TYPE_DOUBLE, %r21, L$checkfloat
b L$done
fstd %fr4,0(%r20)
L$checkfloat
comib,<>,n FFI_TYPE_FLOAT, %r21, L$checkll
b L$done
fstw %fr4L,0(%r20)
L$checkll
comib,<>,n FFI_TYPE_UINT64, %r21, L$checksmst2
stw %ret0, 0(%r20)
b L$done
stw %ret1, 4(%r20)
L$checksmst2
comib,<>,n FFI_TYPE_SMALL_STRUCT2, %r21, L$checksmst3
/* 2-byte structs are returned in ret0 as ????xxyy. */
extru %ret0, 23, 8, %r22
stbs,ma %r22, 1(%r20)
b L$done
stb %ret0, 0(%r20)
L$checksmst3
comib,<>,n FFI_TYPE_SMALL_STRUCT3, %r21, L$checksmst4
/* 3-byte structs are returned in ret0 as ??xxyyzz. */
extru %ret0, 15, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret0, 23, 8, %r22
stbs,ma %r22, 1(%r20)
b L$done
stb %ret0, 0(%r20)
L$checksmst4
comib,<>,n FFI_TYPE_SMALL_STRUCT4, %r21, L$checksmst5
/* 4-byte structs are returned in ret0 as wwxxyyzz. */
extru %ret0, 7, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret0, 15, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret0, 23, 8, %r22
stbs,ma %r22, 1(%r20)
b L$done
stb %ret0, 0(%r20)
L$checksmst5
comib,<>,n FFI_TYPE_SMALL_STRUCT5, %r21, L$checksmst6
/* 5 byte values are returned right justified:
ret0 ret1
5: ??????aa bbccddee */
stbs,ma %ret0, 1(%r20)
extru %ret1, 7, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret1, 15, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret1, 23, 8, %r22
stbs,ma %r22, 1(%r20)
b L$done
stb %ret1, 0(%r20)
L$checksmst6
comib,<>,n FFI_TYPE_SMALL_STRUCT6, %r21, L$checksmst7
/* 6 byte values are returned right justified:
ret0 ret1
6: ????aabb ccddeeff */
extru %ret0, 23, 8, %r22
stbs,ma %r22, 1(%r20)
stbs,ma %ret0, 1(%r20)
extru %ret1, 7, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret1, 15, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret1, 23, 8, %r22
stbs,ma %r22, 1(%r20)
b L$done
stb %ret1, 0(%r20)
L$checksmst7
comib,<>,n FFI_TYPE_SMALL_STRUCT7, %r21, L$checksmst8
/* 7 byte values are returned right justified:
ret0 ret1
7: ??aabbcc ddeeffgg */
extru %ret0, 15, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret0, 23, 8, %r22
stbs,ma %r22, 1(%r20)
stbs,ma %ret0, 1(%r20)
extru %ret1, 7, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret1, 15, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret1, 23, 8, %r22
stbs,ma %r22, 1(%r20)
b L$done
stb %ret1, 0(%r20)
L$checksmst8
comib,<>,n FFI_TYPE_SMALL_STRUCT8, %r21, L$done
/* 8 byte values are returned right justified:
ret0 ret1
8: aabbccdd eeffgghh */
extru %ret0, 7, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret0, 15, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret0, 23, 8, %r22
stbs,ma %r22, 1(%r20)
stbs,ma %ret0, 1(%r20)
extru %ret1, 7, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret1, 15, 8, %r22
stbs,ma %r22, 1(%r20)
extru %ret1, 23, 8, %r22
stbs,ma %r22, 1(%r20)
stb %ret1, 0(%r20)
L$done
/* all done, return */
copy %r4, %sp ; pop arg stack
ldw 12(%r3), %r4
ldwm -64(%sp), %r3 ; .. and pop stack
ldw -20(%sp), %rp
bv %r0(%rp)
nop
.exit
.procend
L$FE1
/* void ffi_closure_pa32(void);
Called with closure argument in %r21 */
.SPACE $TEXT$
.SUBSPA $CODE$
.export ffi_closure_pa32,ENTRY,PRIV_LEV=3,RTNVAL=GR
.import ffi_closure_inner_pa32,CODE
.align 4
L$FB2
ffi_closure_pa32
.proc
.callinfo FRAME=64,CALLS,SAVE_RP,SAVE_SP,ENTRY_GR=3
.entry
stw %rp, -20(%sp)
copy %r3, %r1
L$CFI21
copy %sp, %r3
L$CFI22
stwm %r1, 64(%sp)
/* Put arguments onto the stack and call ffi_closure_inner. */
stw %arg0, -36(%r3)
stw %arg1, -40(%r3)
stw %arg2, -44(%r3)
stw %arg3, -48(%r3)
copy %r21, %arg0
bl ffi_closure_inner_pa32, %r2
copy %r3, %arg1
ldwm -64(%sp), %r3
ldw -20(%sp), %rp
ldw -36(%sp), %ret0
bv %r0(%rp)
ldw -40(%sp), %ret1
.exit
.procend
L$FE2:
.SPACE $PRIVATE$
.SUBSPA $DATA$
.align 4
.EXPORT _GLOBAL__F_ffi_call_pa32,DATA
_GLOBAL__F_ffi_call_pa32
L$frame1:
.word L$ECIE1-L$SCIE1 ;# Length of Common Information Entry
L$SCIE1:
.word 0x0 ;# CIE Identifier Tag
.byte 0x1 ;# CIE Version
.ascii "\0" ;# CIE Augmentation
.uleb128 0x1 ;# CIE Code Alignment Factor
.sleb128 4 ;# CIE Data Alignment Factor
.byte 0x2 ;# CIE RA Column
.byte 0xc ;# DW_CFA_def_cfa
.uleb128 0x1e
.uleb128 0x0
.align 4
L$ECIE1:
L$SFDE1:
.word L$EFDE1-L$ASFDE1 ;# FDE Length
L$ASFDE1:
.word L$ASFDE1-L$frame1 ;# FDE CIE offset
.word L$FB1 ;# FDE initial location
.word L$FE1-L$FB1 ;# FDE address range
.byte 0x4 ;# DW_CFA_advance_loc4
.word L$CFI11-L$FB1
.byte 0x83 ;# DW_CFA_offset, column 0x3
.uleb128 0x0
.byte 0x11 ;# DW_CFA_offset_extended_sf; save r2 at [r30-20]
.uleb128 0x2
.sleb128 -5
.byte 0x4 ;# DW_CFA_advance_loc4
.word L$CFI12-L$CFI11
.byte 0xd ;# DW_CFA_def_cfa_register = r3
.uleb128 0x3
.byte 0x4 ;# DW_CFA_advance_loc4
.word L$CFI13-L$CFI12
.byte 0x84 ;# DW_CFA_offset, column 0x4
.uleb128 0x3
.align 4
L$EFDE1:
L$SFDE2:
.word L$EFDE2-L$ASFDE2 ;# FDE Length
L$ASFDE2:
.word L$ASFDE2-L$frame1 ;# FDE CIE offset
.word L$FB2 ;# FDE initial location
.word L$FE2-L$FB2 ;# FDE address range
.byte 0x4 ;# DW_CFA_advance_loc4
.word L$CFI21-L$FB2
.byte 0x83 ;# DW_CFA_offset, column 0x3
.uleb128 0x0
.byte 0x11 ;# DW_CFA_offset_extended_sf
.uleb128 0x2
.sleb128 -5
.byte 0x4 ;# DW_CFA_advance_loc4
.word L$CFI22-L$CFI21
.byte 0xd ;# DW_CFA_def_cfa_register = r3
.uleb128 0x3
.align 4
L$EFDE2:

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@ -0,0 +1,416 @@
/* -----------------------------------------------------------------------
darwin64.S - Copyright (c) 2006 Free Software Foundation, Inc.
Copyright (c) 2008 Red Hat, Inc.
derived from unix64.S
x86-64 Foreign Function Interface for Darwin.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#ifdef __x86_64__
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
.file "darwin64.S"
.text
/* ffi_call_unix64 (void *args, unsigned long bytes, unsigned flags,
void *raddr, void (*fnaddr)(void));
Bit o trickiness here -- ARGS+BYTES is the base of the stack frame
for this function. This has been allocated by ffi_call. We also
deallocate some of the stack that has been alloca'd. */
.align 3
.globl _ffi_call_unix64
_ffi_call_unix64:
LUW0:
movq (%rsp), %r10 /* Load return address. */
leaq (%rdi, %rsi), %rax /* Find local stack base. */
movq %rdx, (%rax) /* Save flags. */
movq %rcx, 8(%rax) /* Save raddr. */
movq %rbp, 16(%rax) /* Save old frame pointer. */
movq %r10, 24(%rax) /* Relocate return address. */
movq %rax, %rbp /* Finalize local stack frame. */
LUW1:
movq %rdi, %r10 /* Save a copy of the register area. */
movq %r8, %r11 /* Save a copy of the target fn. */
movl %r9d, %eax /* Set number of SSE registers. */
/* Load up all argument registers. */
movq (%r10), %rdi
movq 8(%r10), %rsi
movq 16(%r10), %rdx
movq 24(%r10), %rcx
movq 32(%r10), %r8
movq 40(%r10), %r9
testl %eax, %eax
jnz Lload_sse
Lret_from_load_sse:
/* Deallocate the reg arg area. */
leaq 176(%r10), %rsp
/* Call the user function. */
call *%r11
/* Deallocate stack arg area; local stack frame in redzone. */
leaq 24(%rbp), %rsp
movq 0(%rbp), %rcx /* Reload flags. */
movq 8(%rbp), %rdi /* Reload raddr. */
movq 16(%rbp), %rbp /* Reload old frame pointer. */
LUW2:
/* The first byte of the flags contains the FFI_TYPE. */
movzbl %cl, %r10d
leaq Lstore_table(%rip), %r11
movslq (%r11, %r10, 4), %r10
addq %r11, %r10
jmp *%r10
Lstore_table:
.long Lst_void-Lstore_table /* FFI_TYPE_VOID */
.long Lst_sint32-Lstore_table /* FFI_TYPE_INT */
.long Lst_float-Lstore_table /* FFI_TYPE_FLOAT */
.long Lst_double-Lstore_table /* FFI_TYPE_DOUBLE */
.long Lst_ldouble-Lstore_table /* FFI_TYPE_LONGDOUBLE */
.long Lst_uint8-Lstore_table /* FFI_TYPE_UINT8 */
.long Lst_sint8-Lstore_table /* FFI_TYPE_SINT8 */
.long Lst_uint16-Lstore_table /* FFI_TYPE_UINT16 */
.long Lst_sint16-Lstore_table /* FFI_TYPE_SINT16 */
.long Lst_uint32-Lstore_table /* FFI_TYPE_UINT32 */
.long Lst_sint32-Lstore_table /* FFI_TYPE_SINT32 */
.long Lst_int64-Lstore_table /* FFI_TYPE_UINT64 */
.long Lst_int64-Lstore_table /* FFI_TYPE_SINT64 */
.long Lst_struct-Lstore_table /* FFI_TYPE_STRUCT */
.long Lst_int64-Lstore_table /* FFI_TYPE_POINTER */
.text
.align 3
Lst_void:
ret
.align 3
Lst_uint8:
movzbq %al, %rax
movq %rax, (%rdi)
ret
.align 3
Lst_sint8:
movsbq %al, %rax
movq %rax, (%rdi)
ret
.align 3
Lst_uint16:
movzwq %ax, %rax
movq %rax, (%rdi)
.align 3
Lst_sint16:
movswq %ax, %rax
movq %rax, (%rdi)
ret
.align 3
Lst_uint32:
movl %eax, %eax
movq %rax, (%rdi)
.align 3
Lst_sint32:
cltq
movq %rax, (%rdi)
ret
.align 3
Lst_int64:
movq %rax, (%rdi)
ret
.align 3
Lst_float:
movss %xmm0, (%rdi)
ret
.align 3
Lst_double:
movsd %xmm0, (%rdi)
ret
Lst_ldouble:
fstpt (%rdi)
ret
.align 3
Lst_struct:
leaq -20(%rsp), %rsi /* Scratch area in redzone. */
/* We have to locate the values now, and since we don't want to
write too much data into the user's return value, we spill the
value to a 16 byte scratch area first. Bits 8, 9, and 10
control where the values are located. Only one of the three
bits will be set; see ffi_prep_cif_machdep for the pattern. */
movd %xmm0, %r10
movd %xmm1, %r11
testl $0x100, %ecx
cmovnz %rax, %rdx
cmovnz %r10, %rax
testl $0x200, %ecx
cmovnz %r10, %rdx
testl $0x400, %ecx
cmovnz %r10, %rax
cmovnz %r11, %rdx
movq %rax, (%rsi)
movq %rdx, 8(%rsi)
/* Bits 12-31 contain the true size of the structure. Copy from
the scratch area to the true destination. */
shrl $12, %ecx
rep movsb
ret
/* Many times we can avoid loading any SSE registers at all.
It's not worth an indirect jump to load the exact set of
SSE registers needed; zero or all is a good compromise. */
.align 3
LUW3:
Lload_sse:
movdqa 48(%r10), %xmm0
movdqa 64(%r10), %xmm1
movdqa 80(%r10), %xmm2
movdqa 96(%r10), %xmm3
movdqa 112(%r10), %xmm4
movdqa 128(%r10), %xmm5
movdqa 144(%r10), %xmm6
movdqa 160(%r10), %xmm7
jmp Lret_from_load_sse
LUW4:
.align 3
.globl _ffi_closure_unix64
_ffi_closure_unix64:
LUW5:
/* The carry flag is set by the trampoline iff SSE registers
are used. Don't clobber it before the branch instruction. */
leaq -200(%rsp), %rsp
LUW6:
movq %rdi, (%rsp)
movq %rsi, 8(%rsp)
movq %rdx, 16(%rsp)
movq %rcx, 24(%rsp)
movq %r8, 32(%rsp)
movq %r9, 40(%rsp)
jc Lsave_sse
Lret_from_save_sse:
movq %r10, %rdi
leaq 176(%rsp), %rsi
movq %rsp, %rdx
leaq 208(%rsp), %rcx
call _ffi_closure_unix64_inner
/* Deallocate stack frame early; return value is now in redzone. */
addq $200, %rsp
LUW7:
/* The first byte of the return value contains the FFI_TYPE. */
movzbl %al, %r10d
leaq Lload_table(%rip), %r11
movslq (%r11, %r10, 4), %r10
addq %r11, %r10
jmp *%r10
Lload_table:
.long Lld_void-Lload_table /* FFI_TYPE_VOID */
.long Lld_int32-Lload_table /* FFI_TYPE_INT */
.long Lld_float-Lload_table /* FFI_TYPE_FLOAT */
.long Lld_double-Lload_table /* FFI_TYPE_DOUBLE */
.long Lld_ldouble-Lload_table /* FFI_TYPE_LONGDOUBLE */
.long Lld_int8-Lload_table /* FFI_TYPE_UINT8 */
.long Lld_int8-Lload_table /* FFI_TYPE_SINT8 */
.long Lld_int16-Lload_table /* FFI_TYPE_UINT16 */
.long Lld_int16-Lload_table /* FFI_TYPE_SINT16 */
.long Lld_int32-Lload_table /* FFI_TYPE_UINT32 */
.long Lld_int32-Lload_table /* FFI_TYPE_SINT32 */
.long Lld_int64-Lload_table /* FFI_TYPE_UINT64 */
.long Lld_int64-Lload_table /* FFI_TYPE_SINT64 */
.long Lld_struct-Lload_table /* FFI_TYPE_STRUCT */
.long Lld_int64-Lload_table /* FFI_TYPE_POINTER */
.text
.align 3
Lld_void:
ret
.align 3
Lld_int8:
movzbl -24(%rsp), %eax
ret
.align 3
Lld_int16:
movzwl -24(%rsp), %eax
ret
.align 3
Lld_int32:
movl -24(%rsp), %eax
ret
.align 3
Lld_int64:
movq -24(%rsp), %rax
ret
.align 3
Lld_float:
movss -24(%rsp), %xmm0
ret
.align 3
Lld_double:
movsd -24(%rsp), %xmm0
ret
.align 3
Lld_ldouble:
fldt -24(%rsp)
ret
.align 3
Lld_struct:
/* There are four possibilities here, %rax/%rdx, %xmm0/%rax,
%rax/%xmm0, %xmm0/%xmm1. We collapse two by always loading
both rdx and xmm1 with the second word. For the remaining,
bit 8 set means xmm0 gets the second word, and bit 9 means
that rax gets the second word. */
movq -24(%rsp), %rcx
movq -16(%rsp), %rdx
movq -16(%rsp), %xmm1
testl $0x100, %eax
cmovnz %rdx, %rcx
movd %rcx, %xmm0
testl $0x200, %eax
movq -24(%rsp), %rax
cmovnz %rdx, %rax
ret
/* See the comment above Lload_sse; the same logic applies here. */
.align 3
LUW8:
Lsave_sse:
movdqa %xmm0, 48(%rsp)
movdqa %xmm1, 64(%rsp)
movdqa %xmm2, 80(%rsp)
movdqa %xmm3, 96(%rsp)
movdqa %xmm4, 112(%rsp)
movdqa %xmm5, 128(%rsp)
movdqa %xmm6, 144(%rsp)
movdqa %xmm7, 160(%rsp)
jmp Lret_from_save_sse
LUW9:
.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
EH_frame1:
.set L$set$0,LECIE1-LSCIE1 /* CIE Length */
.long L$set$0
LSCIE1:
.long 0x0 /* CIE Identifier Tag */
.byte 0x1 /* CIE Version */
.ascii "zR\0" /* CIE Augmentation */
.byte 0x1 /* uleb128 0x1; CIE Code Alignment Factor */
.byte 0x78 /* sleb128 -8; CIE Data Alignment Factor */
.byte 0x10 /* CIE RA Column */
.byte 0x1 /* uleb128 0x1; Augmentation size */
.byte 0x10 /* FDE Encoding (pcrel sdata4) */
.byte 0xc /* DW_CFA_def_cfa, %rsp offset 8 */
.byte 0x7 /* uleb128 0x7 */
.byte 0x8 /* uleb128 0x8 */
.byte 0x90 /* DW_CFA_offset, column 0x10 */
.byte 0x1
.align 3
LECIE1:
.globl _ffi_call_unix64.eh
_ffi_call_unix64.eh:
LSFDE1:
.set L$set$1,LEFDE1-LASFDE1 /* FDE Length */
.long L$set$1
LASFDE1:
.long LASFDE1-EH_frame1 /* FDE CIE offset */
.quad LUW0-. /* FDE initial location */
.set L$set$2,LUW4-LUW0 /* FDE address range */
.quad L$set$2
.byte 0x0 /* Augmentation size */
.byte 0x4 /* DW_CFA_advance_loc4 */
.set L$set$3,LUW1-LUW0
.long L$set$3
/* New stack frame based off rbp. This is a itty bit of unwind
trickery in that the CFA *has* changed. There is no easy way
to describe it correctly on entry to the function. Fortunately,
it doesn't matter too much since at all points we can correctly
unwind back to ffi_call. Note that the location to which we
moved the return address is (the new) CFA-8, so from the
perspective of the unwind info, it hasn't moved. */
.byte 0xc /* DW_CFA_def_cfa, %rbp offset 32 */
.byte 0x6
.byte 0x20
.byte 0x80+6 /* DW_CFA_offset, %rbp offset 2*-8 */
.byte 0x2
.byte 0xa /* DW_CFA_remember_state */
.byte 0x4 /* DW_CFA_advance_loc4 */
.set L$set$4,LUW2-LUW1
.long L$set$4
.byte 0xc /* DW_CFA_def_cfa, %rsp offset 8 */
.byte 0x7
.byte 0x8
.byte 0xc0+6 /* DW_CFA_restore, %rbp */
.byte 0x4 /* DW_CFA_advance_loc4 */
.set L$set$5,LUW3-LUW2
.long L$set$5
.byte 0xb /* DW_CFA_restore_state */
.align 3
LEFDE1:
.globl _ffi_closure_unix64.eh
_ffi_closure_unix64.eh:
LSFDE3:
.set L$set$6,LEFDE3-LASFDE3 /* FDE Length */
.long L$set$6
LASFDE3:
.long LASFDE3-EH_frame1 /* FDE CIE offset */
.quad LUW5-. /* FDE initial location */
.set L$set$7,LUW9-LUW5 /* FDE address range */
.quad L$set$7
.byte 0x0 /* Augmentation size */
.byte 0x4 /* DW_CFA_advance_loc4 */
.set L$set$8,LUW6-LUW5
.long L$set$8
.byte 0xe /* DW_CFA_def_cfa_offset */
.byte 208,1 /* uleb128 208 */
.byte 0xa /* DW_CFA_remember_state */
.byte 0x4 /* DW_CFA_advance_loc4 */
.set L$set$9,LUW7-LUW6
.long L$set$9
.byte 0xe /* DW_CFA_def_cfa_offset */
.byte 0x8
.byte 0x4 /* DW_CFA_advance_loc4 */
.set L$set$10,LUW8-LUW7
.long L$set$10
.byte 0xb /* DW_CFA_restore_state */
.align 3
LEFDE3:
.subsections_via_symbols
#endif /* __x86_64__ */

View File

@ -349,14 +349,14 @@ ffi_prep_closure_loc (ffi_closure* closure,
{
FFI_INIT_TRAMPOLINE (&closure->tramp[0],
&ffi_closure_SYSV,
(void*)closure);
(void*)codeloc);
}
#ifdef X86_WIN32
else if (cif->abi == FFI_STDCALL)
{
FFI_INIT_TRAMPOLINE_STDCALL (&closure->tramp[0],
&ffi_closure_STDCALL,
(void*)closure, cif->bytes);
(void*)codeloc, cif->bytes);
}
#endif
else

View File

@ -0,0 +1,458 @@
/* -----------------------------------------------------------------------
freebsd.S - Copyright (c) 1996, 1998, 2001, 2002, 2003, 2005 Red Hat, Inc.
Copyright (c) 2008 Björn König
X86 Foreign Function Interface for FreeBSD
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
``Software''), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
#ifndef __x86_64__
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
.text
.globl ffi_prep_args
.align 4
.globl ffi_call_SYSV
.type ffi_call_SYSV,@function
ffi_call_SYSV:
.LFB1:
pushl %ebp
.LCFI0:
movl %esp,%ebp
.LCFI1:
/* 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
call *28(%ebp)
/* Load %ecx with the return type code */
movl 20(%ebp),%ecx
/* Protect %esi. We're going to pop it in the epilogue. */
pushl %esi
/* 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 noretval
fstp %st(0)
jmp epilogue
0:
call 1f
.Lstore_table:
.long noretval-.Lstore_table /* FFI_TYPE_VOID */
.long retint-.Lstore_table /* FFI_TYPE_INT */
.long retfloat-.Lstore_table /* FFI_TYPE_FLOAT */
.long retdouble-.Lstore_table /* FFI_TYPE_DOUBLE */
.long retlongdouble-.Lstore_table /* FFI_TYPE_LONGDOUBLE */
.long retuint8-.Lstore_table /* FFI_TYPE_UINT8 */
.long retsint8-.Lstore_table /* FFI_TYPE_SINT8 */
.long retuint16-.Lstore_table /* FFI_TYPE_UINT16 */
.long retsint16-.Lstore_table /* FFI_TYPE_SINT16 */
.long retint-.Lstore_table /* FFI_TYPE_UINT32 */
.long retint-.Lstore_table /* FFI_TYPE_SINT32 */
.long retint64-.Lstore_table /* FFI_TYPE_UINT64 */
.long retint64-.Lstore_table /* FFI_TYPE_SINT64 */
.long retstruct-.Lstore_table /* FFI_TYPE_STRUCT */
.long retint-.Lstore_table /* FFI_TYPE_POINTER */
.long retstruct1b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_1B */
.long retstruct2b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_2B */
1:
pop %esi
add (%esi, %ecx, 4), %esi
jmp *%esi
/* Sign/zero extend as appropriate. */
retsint8:
movsbl %al, %eax
jmp retint
retsint16:
movswl %ax, %eax
jmp retint
retuint8:
movzbl %al, %eax
jmp retint
retuint16:
movzwl %ax, %eax
jmp retint
retfloat:
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
fstps (%ecx)
jmp epilogue
retdouble:
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
fstpl (%ecx)
jmp epilogue
retlongdouble:
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
fstpt (%ecx)
jmp epilogue
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 epilogue
retstruct1b:
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
movb %al,0(%ecx)
jmp epilogue
retstruct2b:
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
movw %ax,0(%ecx)
jmp epilogue
retint:
/* Load %ecx with the pointer to storage for the return value */
movl 24(%ebp),%ecx
movl %eax,0(%ecx)
retstruct:
/* Nothing to do! */
noretval:
epilogue:
popl %esi
movl %ebp,%esp
popl %ebp
ret
.LFE1:
.ffi_call_SYSV_end:
.size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
.align 4
FFI_HIDDEN (ffi_closure_SYSV)
.globl ffi_closure_SYSV
.type ffi_closure_SYSV, @function
ffi_closure_SYSV:
.LFB2:
pushl %ebp
.LCFI2:
movl %esp, %ebp
.LCFI3:
subl $40, %esp
leal -24(%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 */
#if defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE || !defined __PIC__
call ffi_closure_SYSV_inner
#else
movl %ebx, 8(%esp)
.LCFI7:
call 1f
1: popl %ebx
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
call ffi_closure_SYSV_inner@PLT
movl 8(%esp), %ebx
#endif
movl -12(%ebp), %ecx
cmpl $FFI_TYPE_INT, %eax
je .Lcls_retint
/* Handle FFI_TYPE_UINT8, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
FFI_TYPE_SINT16, FFI_TYPE_UINT32, FFI_TYPE_SINT32. */
cmpl $FFI_TYPE_UINT64, %eax
jge 0f
cmpl $FFI_TYPE_UINT8, %eax
jge .Lcls_retint
0: 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_SMALL_STRUCT_1B, %eax
je .Lcls_retstruct1b
cmpl $FFI_TYPE_SMALL_STRUCT_2B, %eax
je .Lcls_retstruct2b
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_retstruct1b:
movsbl (%ecx), %eax
jmp .Lcls_epilogue
.Lcls_retstruct2b:
movswl (%ecx), %eax
jmp .Lcls_epilogue
.Lcls_retstruct:
movl %ebp, %esp
popl %ebp
ret $4
.LFE2:
.size ffi_closure_SYSV, .-ffi_closure_SYSV
#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
.type ffi_closure_raw_SYSV, @function
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
/* Handle FFI_TYPE_UINT8, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
FFI_TYPE_SINT16, FFI_TYPE_UINT32, FFI_TYPE_SINT32. */
cmpl $FFI_TYPE_UINT64, %eax
jge 0f
cmpl $FFI_TYPE_UINT8, %eax
jge .Lrcls_retint
0:
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:
.size ffi_closure_raw_SYSV, .-ffi_closure_raw_SYSV
#endif
.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 .LFE1-.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:
.LSFDE2:
.long .LEFDE2-.LASFDE2 /* FDE Length */
.LASFDE2:
.long .LASFDE2-.Lframe1 /* FDE CIE offset */
#ifdef __PIC__
.long .LFB2-. /* FDE initial location */
#else
.long .LFB2
#endif
.long .LFE2-.LFB2 /* FDE address range */
#ifdef __PIC__
.byte 0x0 /* .uleb128 0x0; Augmentation size */
#endif
.byte 0x4 /* DW_CFA_advance_loc4 */
.long .LCFI2-.LFB2
.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 .LCFI3-.LCFI2
.byte 0xd /* DW_CFA_def_cfa_register */
.byte 0x5 /* .uleb128 0x5 */
#if !defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE && defined __PIC__
.byte 0x4 /* DW_CFA_advance_loc4 */
.long .LCFI7-.LCFI3
.byte 0x83 /* DW_CFA_offset, column 0x3 */
.byte 0xa /* .uleb128 0xa */
#endif
.align 4
.LEFDE2:
#if !FFI_NO_RAW_API
.LSFDE3:
.long .LEFDE3-.LASFDE3 /* FDE Length */
.LASFDE3:
.long .LASFDE3-.Lframe1 /* FDE CIE offset */
#ifdef __PIC__
.long .LFB3-. /* FDE initial location */
#else
.long .LFB3
#endif
.long .LFE3-.LFB3 /* FDE address range */
#ifdef __PIC__
.byte 0x0 /* .uleb128 0x0; Augmentation size */
#endif
.byte 0x4 /* DW_CFA_advance_loc4 */
.long .LCFI4-.LFB3
.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 .LCFI5-.LCFI4
.byte 0xd /* DW_CFA_def_cfa_register */
.byte 0x5 /* .uleb128 0x5 */
.byte 0x4 /* DW_CFA_advance_loc4 */
.long .LCFI6-.LCFI5
.byte 0x86 /* DW_CFA_offset, column 0x6 */
.byte 0x3 /* .uleb128 0x3 */
.align 4
.LEFDE3:
#endif
#endif /* ifndef __x86_64__ */