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/* -----------------------------------------------------------------------
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sysv.S - Copyright (c) 1996, 1998, 2001, 2002, 2003, 2005 Red Hat, Inc.
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X86 Foreign Function Interface
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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``Software''), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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----------------------------------------------------------------------- */
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#include <fficonfig.h>
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.type ffi_call_SYSV,@function
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/* Make room for all of the new args. */
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/* Place all of the ffi_prep_args in position */
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/* Return stack to previous state and call the function */
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/* Remove the space we pushed for the args */
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/* Load %ecx with the return type code */
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/* If the return value pointer is NULL, assume no return value. */
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/* Even if there is no space for the return value, we are
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obliged to handle floating-point values. */
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cmpl $FFI_TYPE_FLOAT,%ecx
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cmpl $FFI_TYPE_INT,%ecx
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/* Load %ecx with the pointer to storage for the return value */
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cmpl $FFI_TYPE_FLOAT,%ecx
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/* Load %ecx with the pointer to storage for the return value */
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cmpl $FFI_TYPE_DOUBLE,%ecx
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/* Load %ecx with the pointer to storage for the return value */
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cmpl $FFI_TYPE_LONGDOUBLE,%ecx
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/* Load %ecx with the pointer to storage for the return value */
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cmpl $FFI_TYPE_SINT64,%ecx
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/* Load %ecx with the pointer to storage for the return value */
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.size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
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FFI_HIDDEN (ffi_closure_SYSV)
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.globl ffi_closure_SYSV
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.type ffi_closure_SYSV, @function
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movl %edx, -12(%ebp) /* resp */
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movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */
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movl %edx, (%esp) /* &resp */
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#if defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE || !defined __PIC__
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call ffi_closure_SYSV_inner
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addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
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call ffi_closure_SYSV_inner@PLT
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cmpl $FFI_TYPE_INT, %eax
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cmpl $FFI_TYPE_FLOAT, %eax
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cmpl $FFI_TYPE_DOUBLE, %eax
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cmpl $FFI_TYPE_LONGDOUBLE, %eax
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cmpl $FFI_TYPE_SINT64, %eax
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.size ffi_closure_SYSV, .-ffi_closure_SYSV
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#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) & ~3)
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#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4)
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#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4)
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#define CIF_FLAGS_OFFSET 20
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FFI_HIDDEN (ffi_closure_raw_SYSV)
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.globl ffi_closure_raw_SYSV
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.type ffi_closure_raw_SYSV, @function
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ffi_closure_raw_SYSV:
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movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */
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movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */
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movl %edx, 12(%esp) /* user_data */
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leal 8(%ebp), %edx /* __builtin_dwarf_cfa () */
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movl %edx, 8(%esp) /* raw_args */
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movl %edx, 4(%esp) /* &res */
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movl %esi, (%esp) /* cif */
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call *RAW_CLOSURE_FUN_OFFSET(%eax) /* closure->fun */
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movl CIF_FLAGS_OFFSET(%esi), %eax /* rtype */
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cmpl $FFI_TYPE_INT, %eax
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cmpl $FFI_TYPE_FLOAT, %eax
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cmpl $FFI_TYPE_DOUBLE, %eax
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cmpl $FFI_TYPE_LONGDOUBLE, %eax
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cmpl $FFI_TYPE_SINT64, %eax
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.size ffi_closure_raw_SYSV, .-ffi_closure_raw_SYSV
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.section .eh_frame,EH_FRAME_FLAGS,@progbits
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.long .LECIE1-.LSCIE1 /* Length of Common Information Entry */
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.long 0x0 /* CIE Identifier Tag */
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.byte 0x1 /* CIE Version */
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.ascii "zR\0" /* CIE Augmentation */
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.ascii "\0" /* CIE Augmentation */
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.byte 0x1 /* .uleb128 0x1; CIE Code Alignment Factor */
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.byte 0x7c /* .sleb128 -4; CIE Data Alignment Factor */
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.byte 0x8 /* CIE RA Column */
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.byte 0x1 /* .uleb128 0x1; Augmentation size */
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.byte 0x1b /* FDE Encoding (pcrel sdata4) */
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.byte 0xc /* DW_CFA_def_cfa */
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.byte 0x4 /* .uleb128 0x4 */
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.byte 0x4 /* .uleb128 0x4 */
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.byte 0x88 /* DW_CFA_offset, column 0x8 */
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.byte 0x1 /* .uleb128 0x1 */
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.long .LEFDE1-.LASFDE1 /* FDE Length */
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.long .LASFDE1-.Lframe1 /* FDE CIE offset */
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.long .LFB1-. /* FDE initial location */
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.long .LFB1 /* FDE initial location */
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.long .LFE1-.LFB1 /* FDE address range */
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.byte 0x0 /* .uleb128 0x0; Augmentation size */
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.byte 0x4 /* DW_CFA_advance_loc4 */
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.byte 0xe /* DW_CFA_def_cfa_offset */
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.byte 0x8 /* .uleb128 0x8 */
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.byte 0x85 /* DW_CFA_offset, column 0x5 */
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.byte 0x2 /* .uleb128 0x2 */
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.byte 0x4 /* DW_CFA_advance_loc4 */
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.byte 0xd /* DW_CFA_def_cfa_register */
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.byte 0x5 /* .uleb128 0x5 */
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.long .LEFDE2-.LASFDE2 /* FDE Length */
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.long .LASFDE2-.Lframe1 /* FDE CIE offset */
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.long .LFB2-. /* FDE initial location */
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.long .LFE2-.LFB2 /* FDE address range */
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.byte 0x0 /* .uleb128 0x0; Augmentation size */
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.byte 0x4 /* DW_CFA_advance_loc4 */
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.byte 0xe /* DW_CFA_def_cfa_offset */
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.byte 0x8 /* .uleb128 0x8 */
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.byte 0x85 /* DW_CFA_offset, column 0x5 */
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.byte 0x2 /* .uleb128 0x2 */
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.byte 0x4 /* DW_CFA_advance_loc4 */
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.byte 0xd /* DW_CFA_def_cfa_register */
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.byte 0x5 /* .uleb128 0x5 */
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#if !defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE && defined __PIC__
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.byte 0x4 /* DW_CFA_advance_loc4 */
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.byte 0x83 /* DW_CFA_offset, column 0x3 */
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.byte 0xa /* .uleb128 0xa */
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.long .LEFDE3-.LASFDE3 /* FDE Length */
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.long .LASFDE3-.Lframe1 /* FDE CIE offset */
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.long .LFB3-. /* FDE initial location */
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.long .LFE3-.LFB3 /* FDE address range */
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.byte 0x0 /* .uleb128 0x0; Augmentation size */
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.byte 0x4 /* DW_CFA_advance_loc4 */
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.byte 0xe /* DW_CFA_def_cfa_offset */
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.byte 0x8 /* .uleb128 0x8 */
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.byte 0x85 /* DW_CFA_offset, column 0x5 */
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.byte 0x2 /* .uleb128 0x2 */
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.byte 0x4 /* DW_CFA_advance_loc4 */
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.byte 0xd /* DW_CFA_def_cfa_register */
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.byte 0x5 /* .uleb128 0x5 */
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.byte 0x4 /* DW_CFA_advance_loc4 */
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.byte 0x86 /* DW_CFA_offset, column 0x6 */
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.byte 0x3 /* .uleb128 0x3 */
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#endif /* ifndef __x86_64__ */
added
removed
libffi/src/x86/sysv.S
