diff options
Diffstat (limited to 'gcc-4.7/libffi/src/x86/win32.S')
| -rw-r--r-- | gcc-4.7/libffi/src/x86/win32.S | 1147 |
1 files changed, 1147 insertions, 0 deletions
diff --git a/gcc-4.7/libffi/src/x86/win32.S b/gcc-4.7/libffi/src/x86/win32.S new file mode 100644 index 000000000..deb4a0394 --- /dev/null +++ b/gcc-4.7/libffi/src/x86/win32.S @@ -0,0 +1,1147 @@ +/* ----------------------------------------------------------------------- + win32.S - Copyright (c) 1996, 1998, 2001, 2002, 2009 Red Hat, Inc. + Copyright (c) 2001 John Beniton + Copyright (c) 2002 Ranjit Mathew + Copyright (c) 2009 Daniel Witte + + + X86 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 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. + ----------------------------------------------------------------------- + */ + +#define LIBFFI_ASM +#include <fficonfig.h> +#include <ffi.h> + +#ifdef _MSC_VER + +.386 +.MODEL FLAT, C + +EXTRN ffi_closure_SYSV_inner:NEAR + +_TEXT SEGMENT + +ffi_call_win32 PROC NEAR, + ffi_prep_args : NEAR PTR DWORD, + ecif : NEAR PTR DWORD, + cif_abi : DWORD, + cif_bytes : DWORD, + cif_flags : DWORD, + rvalue : NEAR PTR DWORD, + fn : NEAR PTR DWORD + + ;; Make room for all of the new args. + mov ecx, cif_bytes + sub esp, ecx + + mov eax, esp + + ;; Place all of the ffi_prep_args in position + push ecif + push eax + call ffi_prep_args + + ;; Return stack to previous state and call the function + add esp, 8 + + ;; Handle thiscall and fastcall + cmp cif_abi, 3 ;; FFI_THISCALL + jz do_thiscall + cmp cif_abi, 4 ;; FFI_FASTCALL + jnz do_stdcall + mov ecx, DWORD PTR [esp] + mov edx, DWORD PTR [esp+4] + add esp, 8 + jmp do_stdcall +do_thiscall: + mov ecx, DWORD PTR [esp] + add esp, 4 +do_stdcall: + call fn + + ;; cdecl: we restore esp in the epilogue, so there's no need to + ;; remove the space we pushed for the args. + ;; stdcall: the callee has already cleaned the stack. + + ;; Load ecx with the return type code + mov ecx, cif_flags + + ;; If the return value pointer is NULL, assume no return value. + cmp rvalue, 0 + jne ca_jumptable + + ;; Even if there is no space for the return value, we are + ;; obliged to handle floating-point values. + cmp ecx, FFI_TYPE_FLOAT + jne ca_epilogue + fstp st(0) + + jmp ca_epilogue + +ca_jumptable: + jmp [ca_jumpdata + 4 * ecx] +ca_jumpdata: + ;; Do not insert anything here between label and jump table. + dd offset ca_epilogue ;; FFI_TYPE_VOID + dd offset ca_retint ;; FFI_TYPE_INT + dd offset ca_retfloat ;; FFI_TYPE_FLOAT + dd offset ca_retdouble ;; FFI_TYPE_DOUBLE + dd offset ca_retlongdouble ;; FFI_TYPE_LONGDOUBLE + dd offset ca_retint8 ;; FFI_TYPE_UINT8 + dd offset ca_retint8 ;; FFI_TYPE_SINT8 + dd offset ca_retint16 ;; FFI_TYPE_UINT16 + dd offset ca_retint16 ;; FFI_TYPE_SINT16 + dd offset ca_retint ;; FFI_TYPE_UINT32 + dd offset ca_retint ;; FFI_TYPE_SINT32 + dd offset ca_retint64 ;; FFI_TYPE_UINT64 + dd offset ca_retint64 ;; FFI_TYPE_SINT64 + dd offset ca_epilogue ;; FFI_TYPE_STRUCT + dd offset ca_retint ;; FFI_TYPE_POINTER + dd offset ca_retint8 ;; FFI_TYPE_SMALL_STRUCT_1B + dd offset ca_retint16 ;; FFI_TYPE_SMALL_STRUCT_2B + dd offset ca_retint ;; FFI_TYPE_SMALL_STRUCT_4B + +ca_retint8: + ;; Load %ecx with the pointer to storage for the return value + mov ecx, rvalue + mov [ecx + 0], al + jmp ca_epilogue + +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_THISCALL PROC NEAR FORCEFRAME + push ebp + mov ebp, esp + sub esp, 40 + lea edx, [ebp -24] + mov [ebp - 12], edx /* resp */ + lea edx, [ebp + 12] /* account for stub return address on stack */ + jmp stub +ffi_closure_THISCALL 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] +stub: + 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_THISCALL PROC NEAR + push ebp + mov ebp, esp + push esi + sub esp, 36 + mov esi, [eax + RAW_CLOSURE_CIF_OFFSET] ;; closure->cif + mov edx, [eax + RAW_CLOSURE_USER_DATA_OFFSET] ;; closure->user_data + mov [esp + 12], edx + lea edx, [ebp + 12], edx + jmp stubraw +ffi_closure_raw_SYSV ENDP + +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] +stubraw: + 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_win32 +#ifndef __OS2__ + .def _ffi_call_win32; .scl 2; .type 32; .endef +#endif +_ffi_call_win32: +.LFB1: + pushl %ebp +.LCFI0: + movl %esp,%ebp +.LCFI1: + # Make room for all of the new args. + movl 20(%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 + + # Handle fastcall and thiscall + cmpl $3, 16(%ebp) # FFI_THISCALL + jz .do_thiscall + cmpl $4, 16(%ebp) # FFI_FASTCALL + jnz .do_fncall + movl (%esp), %ecx + movl 4(%esp), %edx + addl $8, %esp + jmp .do_fncall +.do_thiscall: + movl (%esp), %ecx + addl $4, %esp + +.do_fncall: + + # FIXME: Align the stack to a 128-bit boundary to avoid + # potential performance hits. + + call *32(%ebp) + + # stdcall functions pop arguments off the stack themselves + + # Load %ecx with the return type code + movl 24(%ebp),%ecx + + # If the return value pointer is NULL, assume no return value. + cmpl $0,28(%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 .Lnoretval + fstp %st(0) + + jmp .Lepilogue + +0: + call 1f + # Do not insert anything here between the call and the jump table. +.Lstore_table: + .long .Lnoretval /* FFI_TYPE_VOID */ + .long .Lretint /* FFI_TYPE_INT */ + .long .Lretfloat /* FFI_TYPE_FLOAT */ + .long .Lretdouble /* FFI_TYPE_DOUBLE */ + .long .Lretlongdouble /* FFI_TYPE_LONGDOUBLE */ + .long .Lretuint8 /* FFI_TYPE_UINT8 */ + .long .Lretsint8 /* FFI_TYPE_SINT8 */ + .long .Lretuint16 /* FFI_TYPE_UINT16 */ + .long .Lretsint16 /* FFI_TYPE_SINT16 */ + .long .Lretint /* FFI_TYPE_UINT32 */ + .long .Lretint /* FFI_TYPE_SINT32 */ + .long .Lretint64 /* FFI_TYPE_UINT64 */ + .long .Lretint64 /* FFI_TYPE_SINT64 */ + .long .Lretstruct /* FFI_TYPE_STRUCT */ + .long .Lretint /* FFI_TYPE_POINTER */ + .long .Lretstruct1b /* FFI_TYPE_SMALL_STRUCT_1B */ + .long .Lretstruct2b /* FFI_TYPE_SMALL_STRUCT_2B */ + .long .Lretstruct4b /* 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. */ +.Lretsint8: + movsbl %al, %eax + jmp .Lretint + +.Lretsint16: + movswl %ax, %eax + jmp .Lretint + +.Lretuint8: + movzbl %al, %eax + jmp .Lretint + +.Lretuint16: + movzwl %ax, %eax + jmp .Lretint + +.Lretint: + # Load %ecx with the pointer to storage for the return value + movl 28(%ebp),%ecx + movl %eax,0(%ecx) + jmp .Lepilogue + +.Lretfloat: + # Load %ecx with the pointer to storage for the return value + movl 28(%ebp),%ecx + fstps (%ecx) + jmp .Lepilogue + +.Lretdouble: + # Load %ecx with the pointer to storage for the return value + movl 28(%ebp),%ecx + fstpl (%ecx) + jmp .Lepilogue + +.Lretlongdouble: + # Load %ecx with the pointer to storage for the return value + movl 28(%ebp),%ecx + fstpt (%ecx) + jmp .Lepilogue + +.Lretint64: + # Load %ecx with the pointer to storage for the return value + movl 28(%ebp),%ecx + movl %eax,0(%ecx) + movl %edx,4(%ecx) + jmp .Lepilogue + +.Lretstruct1b: + # Load %ecx with the pointer to storage for the return value + movl 28(%ebp),%ecx + movb %al,0(%ecx) + jmp .Lepilogue + +.Lretstruct2b: + # Load %ecx with the pointer to storage for the return value + movl 28(%ebp),%ecx + movw %ax,0(%ecx) + jmp .Lepilogue + +.Lretstruct4b: + # Load %ecx with the pointer to storage for the return value + movl 28(%ebp),%ecx + movl %eax,0(%ecx) + jmp .Lepilogue + +.Lretstruct: + # Nothing to do! + +.Lnoretval: +.Lepilogue: + movl %ebp,%esp + popl %ebp + ret +.ffi_call_win32_end: + .balign 16 + .globl _ffi_closure_THISCALL +#ifndef __OS2__ + .def _ffi_closure_THISCALL; .scl 2; .type 32; .endef +#endif +_ffi_closure_THISCALL: + pushl %ebp + movl %esp, %ebp + subl $40, %esp + leal -24(%ebp), %edx + movl %edx, -12(%ebp) /* resp */ + leal 12(%ebp), %edx /* account for stub return address on stack */ + jmp .stub +.LFE1: + + # This assumes we are using gas. + .balign 16 + .globl _ffi_closure_SYSV +#ifndef __OS2__ + .def _ffi_closure_SYSV; .scl 2; .type 32; .endef +#endif +_ffi_closure_SYSV: +.LFB3: + pushl %ebp +.LCFI4: + movl %esp, %ebp +.LCFI5: + subl $40, %esp + leal -24(%ebp), %edx + movl %edx, -12(%ebp) /* resp */ + leal 8(%ebp), %edx +.stub: + movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */ + leal -12(%ebp), %edx + movl %edx, (%esp) /* &resp */ + call _ffi_closure_SYSV_inner + movl -12(%ebp), %ecx + +0: + call 1f + # Do not insert anything here between the call and the jump table. +.Lcls_store_table: + .long .Lcls_noretval /* FFI_TYPE_VOID */ + .long .Lcls_retint /* FFI_TYPE_INT */ + .long .Lcls_retfloat /* FFI_TYPE_FLOAT */ + .long .Lcls_retdouble /* FFI_TYPE_DOUBLE */ + .long .Lcls_retldouble /* FFI_TYPE_LONGDOUBLE */ + .long .Lcls_retuint8 /* FFI_TYPE_UINT8 */ + .long .Lcls_retsint8 /* FFI_TYPE_SINT8 */ + .long .Lcls_retuint16 /* FFI_TYPE_UINT16 */ + .long .Lcls_retsint16 /* FFI_TYPE_SINT16 */ + .long .Lcls_retint /* FFI_TYPE_UINT32 */ + .long .Lcls_retint /* FFI_TYPE_SINT32 */ + .long .Lcls_retllong /* FFI_TYPE_UINT64 */ + .long .Lcls_retllong /* FFI_TYPE_SINT64 */ + .long .Lcls_retstruct /* FFI_TYPE_STRUCT */ + .long .Lcls_retint /* FFI_TYPE_POINTER */ + .long .Lcls_retstruct1 /* FFI_TYPE_SMALL_STRUCT_1B */ + .long .Lcls_retstruct2 /* FFI_TYPE_SMALL_STRUCT_2B */ + .long .Lcls_retstruct4 /* FFI_TYPE_SMALL_STRUCT_4B */ + +1: + add %eax, %eax + add %eax, %eax + add (%esp),%eax + add $4, %esp + jmp *(%eax) + + /* Sign/zero extend as appropriate. */ +.Lcls_retsint8: + movsbl (%ecx), %eax + jmp .Lcls_epilogue + +.Lcls_retsint16: + movswl (%ecx), %eax + jmp .Lcls_epilogue + +.Lcls_retuint8: + movzbl (%ecx), %eax + jmp .Lcls_epilogue + +.Lcls_retuint16: + movzwl (%ecx), %eax + jmp .Lcls_epilogue + +.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_retstruct4: + movl (%ecx), %eax + jmp .Lcls_epilogue + +.Lcls_retstruct: + # Caller expects us to pop struct return value pointer hidden arg. + movl %ebp, %esp + popl %ebp + ret $0x4 + +.Lcls_noretval: +.Lcls_epilogue: + movl %ebp, %esp + popl %ebp + ret +.ffi_closure_SYSV_end: +.LFE3: + +#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 + .balign 16 + .globl _ffi_closure_raw_THISCALL +#ifndef __OS2__ + .def _ffi_closure_raw_THISCALL; .scl 2; .type 32; .endef +#endif +_ffi_closure_raw_THISCALL: + pushl %ebp + movl %esp, %ebp + pushl %esi + 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 12(%ebp), %edx /* __builtin_dwarf_cfa () */ + jmp .stubraw + # This assumes we are using gas. + .balign 16 + .globl _ffi_closure_raw_SYSV +#ifndef __OS2__ + .def _ffi_closure_raw_SYSV; .scl 2; .type 32; .endef +#endif +_ffi_closure_raw_SYSV: +.LFB4: + pushl %ebp +.LCFI6: + movl %esp, %ebp +.LCFI7: + pushl %esi +.LCFI8: + 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 () */ +.stubraw: + 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 */ +0: + call 1f + # Do not insert anything here between the call and the jump table. +.Lrcls_store_table: + .long .Lrcls_noretval /* FFI_TYPE_VOID */ + .long .Lrcls_retint /* FFI_TYPE_INT */ + .long .Lrcls_retfloat /* FFI_TYPE_FLOAT */ + .long .Lrcls_retdouble /* FFI_TYPE_DOUBLE */ + .long .Lrcls_retldouble /* FFI_TYPE_LONGDOUBLE */ + .long .Lrcls_retuint8 /* FFI_TYPE_UINT8 */ + .long .Lrcls_retsint8 /* FFI_TYPE_SINT8 */ + .long .Lrcls_retuint16 /* FFI_TYPE_UINT16 */ + .long .Lrcls_retsint16 /* FFI_TYPE_SINT16 */ + .long .Lrcls_retint /* FFI_TYPE_UINT32 */ + .long .Lrcls_retint /* FFI_TYPE_SINT32 */ + .long .Lrcls_retllong /* FFI_TYPE_UINT64 */ + .long .Lrcls_retllong /* FFI_TYPE_SINT64 */ + .long .Lrcls_retstruct /* FFI_TYPE_STRUCT */ + .long .Lrcls_retint /* FFI_TYPE_POINTER */ + .long .Lrcls_retstruct1 /* FFI_TYPE_SMALL_STRUCT_1B */ + .long .Lrcls_retstruct2 /* FFI_TYPE_SMALL_STRUCT_2B */ + .long .Lrcls_retstruct4 /* FFI_TYPE_SMALL_STRUCT_4B */ +1: + add %eax, %eax + add %eax, %eax + add (%esp),%eax + add $4, %esp + jmp *(%eax) + + /* Sign/zero extend as appropriate. */ +.Lrcls_retsint8: + movsbl -24(%ebp), %eax + jmp .Lrcls_epilogue + +.Lrcls_retsint16: + movswl -24(%ebp), %eax + jmp .Lrcls_epilogue + +.Lrcls_retuint8: + movzbl -24(%ebp), %eax + jmp .Lrcls_epilogue + +.Lrcls_retuint16: + movzwl -24(%ebp), %eax + jmp .Lrcls_epilogue + +.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 + +.Lrcls_retstruct1: + movsbl -24(%ebp), %eax + jmp .Lrcls_epilogue + +.Lrcls_retstruct2: + movswl -24(%ebp), %eax + jmp .Lrcls_epilogue + +.Lrcls_retstruct4: + movl -24(%ebp), %eax + jmp .Lrcls_epilogue + +.Lrcls_retstruct: + # Nothing to do! + +.Lrcls_noretval: +.Lrcls_epilogue: + addl $36, %esp + popl %esi + popl %ebp + ret +.ffi_closure_raw_SYSV_end: +.LFE4: + +#endif /* !FFI_NO_RAW_API */ + + # This assumes we are using gas. + .balign 16 + .globl _ffi_closure_STDCALL +#ifndef __OS2__ + .def _ffi_closure_STDCALL; .scl 2; .type 32; .endef +#endif +_ffi_closure_STDCALL: +.LFB5: + pushl %ebp +.LCFI9: + movl %esp, %ebp +.LCFI10: + subl $40, %esp + leal -24(%ebp), %edx + movl %edx, -12(%ebp) /* resp */ + leal 12(%ebp), %edx /* account for stub return address on stack */ + movl %edx, 4(%esp) /* args */ + leal -12(%ebp), %edx + movl %edx, (%esp) /* &resp */ + call _ffi_closure_SYSV_inner + movl -12(%ebp), %ecx +0: + call 1f + # Do not insert anything here between the call and the jump table. +.Lscls_store_table: + .long .Lscls_noretval /* FFI_TYPE_VOID */ + .long .Lscls_retint /* FFI_TYPE_INT */ + .long .Lscls_retfloat /* FFI_TYPE_FLOAT */ + .long .Lscls_retdouble /* FFI_TYPE_DOUBLE */ + .long .Lscls_retldouble /* FFI_TYPE_LONGDOUBLE */ + .long .Lscls_retuint8 /* FFI_TYPE_UINT8 */ + .long .Lscls_retsint8 /* FFI_TYPE_SINT8 */ + .long .Lscls_retuint16 /* FFI_TYPE_UINT16 */ + .long .Lscls_retsint16 /* FFI_TYPE_SINT16 */ + .long .Lscls_retint /* FFI_TYPE_UINT32 */ + .long .Lscls_retint /* FFI_TYPE_SINT32 */ + .long .Lscls_retllong /* FFI_TYPE_UINT64 */ + .long .Lscls_retllong /* FFI_TYPE_SINT64 */ + .long .Lscls_retstruct /* FFI_TYPE_STRUCT */ + .long .Lscls_retint /* FFI_TYPE_POINTER */ + .long .Lscls_retstruct1 /* FFI_TYPE_SMALL_STRUCT_1B */ + .long .Lscls_retstruct2 /* FFI_TYPE_SMALL_STRUCT_2B */ + .long .Lscls_retstruct4 /* FFI_TYPE_SMALL_STRUCT_4B */ +1: + add %eax, %eax + add %eax, %eax + add (%esp),%eax + add $4, %esp + jmp *(%eax) + + /* Sign/zero extend as appropriate. */ +.Lscls_retsint8: + movsbl (%ecx), %eax + jmp .Lscls_epilogue + +.Lscls_retsint16: + movswl (%ecx), %eax + jmp .Lscls_epilogue + +.Lscls_retuint8: + movzbl (%ecx), %eax + jmp .Lscls_epilogue + +.Lscls_retuint16: + movzwl (%ecx), %eax + jmp .Lscls_epilogue + +.Lscls_retint: + movl (%ecx), %eax + jmp .Lscls_epilogue + +.Lscls_retfloat: + flds (%ecx) + jmp .Lscls_epilogue + +.Lscls_retdouble: + fldl (%ecx) + jmp .Lscls_epilogue + +.Lscls_retldouble: + fldt (%ecx) + jmp .Lscls_epilogue + +.Lscls_retllong: + movl (%ecx), %eax + movl 4(%ecx), %edx + jmp .Lscls_epilogue + +.Lscls_retstruct1: + movsbl (%ecx), %eax + jmp .Lscls_epilogue + +.Lscls_retstruct2: + movswl (%ecx), %eax + jmp .Lscls_epilogue + +.Lscls_retstruct4: + movl (%ecx), %eax + jmp .Lscls_epilogue + +.Lscls_retstruct: + # Nothing to do! + +.Lscls_noretval: +.Lscls_epilogue: + movl %ebp, %esp + popl %ebp + ret +.ffi_closure_STDCALL_end: +.LFE5: + +#ifndef __OS2__ + .section .eh_frame,"w" +#endif +.Lframe1: +.LSCIE1: + .long .LECIE1-.LASCIE1 /* Length of Common Information Entry */ +.LASCIE1: + .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 CFA = r4 + 4 = 4(%esp) */ + .byte 0x4 /* .uleb128 0x4 */ + .byte 0x4 /* .uleb128 0x4 */ + .byte 0x88 /* DW_CFA_offset, column 0x8 %eip at CFA + 1 * -4 */ + .byte 0x1 /* .uleb128 0x1 */ + .align 4 +.LECIE1: + +.LSFDE1: + .long .LEFDE1-.LASFDE1 /* FDE Length */ +.LASFDE1: + .long .LASFDE1-.Lframe1 /* FDE CIE offset */ +#if defined __PIC__ && defined HAVE_AS_X86_PCREL + .long .LFB1-. /* FDE initial location */ +#else + .long .LFB1 +#endif + .long .LFE1-.LFB1 /* 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 .LCFI0-.LFB1 + .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 .LCFI1-.LCFI0 + .byte 0xd /* DW_CFA_def_cfa_register CFA = r5 = %ebp */ + .byte 0x5 /* .uleb128 0x5 */ + + /* End of DW_CFA_xxx CFI instructions. */ + .align 4 +.LEFDE1: + + +.LSFDE3: + .long .LEFDE3-.LASFDE3 /* FDE Length */ +.LASFDE3: + .long .LASFDE3-.Lframe1 /* FDE CIE offset */ +#if defined __PIC__ && defined HAVE_AS_X86_PCREL + .long .LFB3-. /* FDE initial location */ +#else + .long .LFB3 +#endif + .long .LFE3-.LFB3 /* 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 .LCFI4-.LFB3 + .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 .LCFI5-.LCFI4 + .byte 0xd /* DW_CFA_def_cfa_register CFA = r5 = %ebp */ + .byte 0x5 /* .uleb128 0x5 */ + + /* End of DW_CFA_xxx CFI instructions. */ + .align 4 +.LEFDE3: + +#if !FFI_NO_RAW_API + +.LSFDE4: + .long .LEFDE4-.LASFDE4 /* FDE Length */ +.LASFDE4: + .long .LASFDE4-.Lframe1 /* FDE CIE offset */ +#if defined __PIC__ && defined HAVE_AS_X86_PCREL + .long .LFB4-. /* FDE initial location */ +#else + .long .LFB4 +#endif + .long .LFE4-.LFB4 /* 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 .LCFI6-.LFB4 + .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 .LCFI7-.LCFI6 + .byte 0xd /* DW_CFA_def_cfa_register CFA = r5 = %ebp */ + .byte 0x5 /* .uleb128 0x5 */ + + .byte 0x4 /* DW_CFA_advance_loc4 */ + .long .LCFI8-.LCFI7 + .byte 0x86 /* DW_CFA_offset, column 0x6 %esi at CFA + 3 * -4 */ + .byte 0x3 /* .uleb128 0x3 */ + + /* End of DW_CFA_xxx CFI instructions. */ + .align 4 +.LEFDE4: + +#endif /* !FFI_NO_RAW_API */ + +.LSFDE5: + .long .LEFDE5-.LASFDE5 /* FDE Length */ +.LASFDE5: + .long .LASFDE5-.Lframe1 /* FDE CIE offset */ +#if defined __PIC__ && defined HAVE_AS_X86_PCREL + .long .LFB5-. /* FDE initial location */ +#else + .long .LFB5 +#endif + .long .LFE5-.LFB5 /* 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 .LCFI9-.LFB5 + .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 .LCFI10-.LCFI9 + .byte 0xd /* DW_CFA_def_cfa_register CFA = r5 = %ebp */ + .byte 0x5 /* .uleb128 0x5 */ + + /* End of DW_CFA_xxx CFI instructions. */ + .align 4 +.LEFDE5: + +#endif /* !_MSC_VER */ + |