diff options
Diffstat (limited to 'Modules/_ctypes/libffi/src/x86/sysv.S')
| -rw-r--r-- | Modules/_ctypes/libffi/src/x86/sysv.S | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/Modules/_ctypes/libffi/src/x86/sysv.S b/Modules/_ctypes/libffi/src/x86/sysv.S deleted file mode 100644 index 3bd5477e47..0000000000 --- a/Modules/_ctypes/libffi/src/x86/sysv.S +++ /dev/null @@ -1,483 +0,0 @@ -/* ----------------------------------------------------------------------- - sysv.S - Copyright (c) 2013 The Written Word, Inc. - - Copyright (c) 1996,1998,2001-2003,2005,2008,2010 Red Hat, Inc. - - 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. - ----------------------------------------------------------------------- */ - -#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 - - /* Align the stack pointer to 16-bytes */ - andl $0xfffffff0, %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 */ - -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 - -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 -#ifdef __SUNPRO_C - /* The SUNPRO compiler doesn't support GCC's regparm function - attribute, so we have to pass all three arguments to - ffi_closure_SYSV_inner on the stack. */ - movl %edx, 8(%esp) /* args = __builtin_dwarf_cfa () */ - leal -12(%ebp), %edx - movl %edx, 4(%esp) /* &resp */ - movl %eax, (%esp) /* closure */ -#else - movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */ - leal -12(%ebp), %edx - movl %edx, (%esp) /* &resp */ -#endif -#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_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_retstruct: - movl %ebp, %esp - popl %ebp - ret $4 -.LFE2: - .size ffi_closure_SYSV, .-ffi_closure_SYSV - -#if !FFI_NO_RAW_API - -/* Precalculate for e.g. the Solaris 10/x86 assembler. */ -#if FFI_TRAMPOLINE_SIZE == 10 -#define RAW_CLOSURE_CIF_OFFSET 12 -#define RAW_CLOSURE_FUN_OFFSET 16 -#define RAW_CLOSURE_USER_DATA_OFFSET 20 -#elif FFI_TRAMPOLINE_SIZE == 24 -#define RAW_CLOSURE_CIF_OFFSET 24 -#define RAW_CLOSURE_FUN_OFFSET 28 -#define RAW_CLOSURE_USER_DATA_OFFSET 32 -#else -#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) -#endif -#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 - -#if defined __GNUC__ -/* Only emit dwarf unwind info when building with GNU toolchain. */ - -#if defined __PIC__ -# if defined __sun__ && defined __svr4__ -/* 32-bit Solaris 2/x86 uses datarel encoding for PIC. GNU ld before 2.22 - doesn't correctly sort .eh_frame_hdr with mixed encodings, so match this. */ -# define FDE_ENCODING 0x30 /* datarel */ -# define FDE_ENCODE(X) X@GOTOFF -# else -# define FDE_ENCODING 0x1b /* pcrel sdata4 */ -# if defined HAVE_AS_X86_PCREL -# define FDE_ENCODE(X) X-. -# else -# define FDE_ENCODE(X) X@rel -# endif -# endif -#else -# define FDE_ENCODING 0 /* absolute */ -# define FDE_ENCODE(X) X -#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 HAVE_AS_ASCII_PSEUDO_OP -#ifdef __PIC__ - .ascii "zR\0" /* CIE Augmentation */ -#else - .ascii "\0" /* CIE Augmentation */ -#endif -#elif defined HAVE_AS_STRING_PSEUDO_OP -#ifdef __PIC__ - .string "zR" /* CIE Augmentation */ -#else - .string "" /* CIE Augmentation */ -#endif -#else -#error missing .ascii/.string -#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 FDE_ENCODING -#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 */ - .long FDE_ENCODE(.LFB1) /* FDE initial location */ - .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 */ - .long FDE_ENCODE(.LFB2) /* FDE initial location */ - .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 */ - .long FDE_ENCODE(.LFB3) /* FDE initial location */ - .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 - -#endif /* ifndef __x86_64__ */ - -#if defined __ELF__ && defined __linux__ - .section .note.GNU-stack,"",@progbits -#endif |