/* ----------------------------------------------------------------------- sysv.S - Copyright (c) 1996, 1998, 2001, 2002 Cygnus Solutions 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 CYGNUS SOLUTIONS 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 <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) /* 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 /* 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 retint: cmpl $FFI_TYPE_INT,%ecx jne retfloat /* Load %ecx with the pointer to storage for the return value */ movl 24(%ebp),%ecx movl %eax,0(%ecx) jmp epilogue retfloat: cmpl $FFI_TYPE_FLOAT,%ecx jne retdouble /* Load %ecx with the pointer to storage for the return value */ movl 24(%ebp),%ecx fstps (%ecx) jmp epilogue retdouble: cmpl $FFI_TYPE_DOUBLE,%ecx jne retlongdouble /* Load %ecx with the pointer to storage for the return value */ movl 24(%ebp),%ecx fstpl (%ecx) jmp epilogue retlongdouble: cmpl $FFI_TYPE_LONGDOUBLE,%ecx jne retint64 /* Load %ecx with the pointer to storage for the return value */ movl 24(%ebp),%ecx fstpt (%ecx) jmp epilogue retint64: cmpl $FFI_TYPE_SINT64,%ecx jne retstruct /* Load %ecx with the pointer to storage for the return value */ movl 24(%ebp),%ecx movl %eax,0(%ecx) movl %edx,4(%ecx) retstruct: /* Nothing to do! */ noretval: epilogue: movl %ebp,%esp popl %ebp ret .LFE1: .ffi_call_SYSV_end: .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV .section .eh_frame,"aw",@progbits __FRAME_BEGIN__: .4byte .LLCIE1 .LSCIE1: .4byte 0x0 .byte 0x1 .byte 0x0 .byte 0x1 .byte 0x7c .byte 0x8 .byte 0xc .byte 0x4 .byte 0x4 .byte 0x88 .byte 0x1 .align 4 .LECIE1: .set .LLCIE1,.LECIE1-.LSCIE1 .4byte .LLFDE1 .LSFDE1: .4byte .LSFDE1-__FRAME_BEGIN__ .4byte .LFB1 .4byte .LFE1-.LFB1 .byte 0x4 .4byte .LCFI0-.LFB1 .byte 0xe .byte 0x8 .byte 0x85 .byte 0x2 .byte 0x4 .4byte .LCFI1-.LCFI0 .byte 0xd .byte 0x5 .align 4 .LEFDE1: .set .LLFDE1,.LEFDE1-.LSFDE1 #endif /* ifndef __x86_64__ */