gcc/libgcc/config/i386/resms64fx.h
2022-01-03 10:42:10 +01:00

70 lines
2.1 KiB
C

/* Epilogue stub for 64-bit ms/sysv clobbers: restore, leave and return
Copyright (C) 2016-2022 Free Software Foundation, Inc.
Contributed by Daniel Santos <daniel.santos@pobox.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include <cet.h>
#ifdef __x86_64__
#include "i386-asm.h"
/* Epilogue routine for 64-bit ms/sysv registers when hard frame pointer
* used -- restores registers, restores frame pointer and then returns
* from the function. */
.text
cfi_startproc()
cfi_offset(%rbp, -16)
cfi_def_cfa(%rbp, 16)
MS2SYSV_STUB_BEGIN(resms64fx_17)
mov -0x68(%rsi),%r15
MS2SYSV_STUB_BEGIN(resms64fx_16)
mov -0x60(%rsi),%r14
MS2SYSV_STUB_BEGIN(resms64fx_15)
mov -0x58(%rsi),%r13
MS2SYSV_STUB_BEGIN(resms64fx_14)
mov -0x50(%rsi),%r12
MS2SYSV_STUB_BEGIN(resms64fx_13)
mov -0x48(%rsi),%rbx
MS2SYSV_STUB_BEGIN(resms64fx_12)
mov -0x40(%rsi),%rdi
SSE_RESTORE
mov -0x38(%rsi),%rsi
leaveq
cfi_def_cfa(%rsp, 8)
ret
cfi_endproc()
MS2SYSV_STUB_END(resms64fx_12)
MS2SYSV_STUB_END(resms64fx_13)
MS2SYSV_STUB_END(resms64fx_14)
MS2SYSV_STUB_END(resms64fx_15)
MS2SYSV_STUB_END(resms64fx_16)
MS2SYSV_STUB_END(resms64fx_17)
#endif /* __x86_64__ */
#if defined(__ELF__) && defined(__linux__)
.section .note.GNU-stack,"",@progbits
.previous
#endif