2017-05-14 12:22:08 +02:00
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/* Epilogue stub for 64-bit ms/sysv clobbers: restore, leave and return
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2018-01-03 11:03:58 +01:00
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Copyright (C) 2016-2018 Free Software Foundation, Inc.
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2017-05-14 12:22:08 +02:00
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Contributed by Daniel Santos <daniel.santos@pobox.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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2017-11-17 14:34:39 +01:00
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#include <cet.h>
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2017-05-14 12:22:08 +02:00
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#ifdef __x86_64__
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#include "i386-asm.h"
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/* Epilogue routine for 64-bit ms/sysv registers when hard frame pointer
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* used -- restores registers, restores frame pointer and then returns
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* from the function. */
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.text
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re PR debug/83917 (with -mcall-ms2sysv-xlogues, stepping into x86 tail-call restore stub gives bad backtrace)
PR debug/83917
* config/i386/i386-asm.h (PACKAGE_VERSION, PACKAGE_NAME,
PACKAGE_STRING, PACKAGE_TARNAME, PACKAGE_URL): Undefine between
inclusion of auto-target.h and auto-host.h.
(USE_GAS_CFI_DIRECTIVES): Define if not defined already based on
__GCC_HAVE_DWARF2_CFI_ASM.
(cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
cfi_def_cfa_register, cfi_def_cfa, cfi_register, cfi_offset, cfi_push,
cfi_pop): Define.
* config/i386/cygwin.S: Don't include auto-host.h here, just
define USE_GAS_CFI_DIRECTIVES to 1 or 0 and include i386-asm.h.
(cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
cfi_def_cfa_register, cfi_register, cfi_push, cfi_pop): Remove.
* config/i386/resms64fx.h: Add cfi_* directives.
* config/i386/resms64x.h: Likewise.
From-SVN: r258010
2018-02-26 20:46:34 +01:00
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cfi_startproc()
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cfi_offset(%rbp, -16)
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cfi_def_cfa(%rbp, 16)
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2017-09-17 22:04:40 +00:00
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MS2SYSV_STUB_BEGIN(resms64fx_17)
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2017-05-14 12:22:08 +02:00
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mov -0x68(%rsi),%r15
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2017-09-17 22:04:40 +00:00
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MS2SYSV_STUB_BEGIN(resms64fx_16)
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2017-05-14 12:22:08 +02:00
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mov -0x60(%rsi),%r14
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2017-09-17 22:04:40 +00:00
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MS2SYSV_STUB_BEGIN(resms64fx_15)
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2017-05-14 12:22:08 +02:00
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mov -0x58(%rsi),%r13
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2017-09-17 22:04:40 +00:00
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MS2SYSV_STUB_BEGIN(resms64fx_14)
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2017-05-14 12:22:08 +02:00
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mov -0x50(%rsi),%r12
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2017-09-17 22:04:40 +00:00
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MS2SYSV_STUB_BEGIN(resms64fx_13)
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2017-05-14 12:22:08 +02:00
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mov -0x48(%rsi),%rbx
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2017-09-17 22:04:40 +00:00
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MS2SYSV_STUB_BEGIN(resms64fx_12)
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2017-05-14 12:22:08 +02:00
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mov -0x40(%rsi),%rdi
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2017-07-24 21:59:57 +00:00
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SSE_RESTORE
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2017-05-14 12:22:08 +02:00
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mov -0x38(%rsi),%rsi
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leaveq
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re PR debug/83917 (with -mcall-ms2sysv-xlogues, stepping into x86 tail-call restore stub gives bad backtrace)
PR debug/83917
* config/i386/i386-asm.h (PACKAGE_VERSION, PACKAGE_NAME,
PACKAGE_STRING, PACKAGE_TARNAME, PACKAGE_URL): Undefine between
inclusion of auto-target.h and auto-host.h.
(USE_GAS_CFI_DIRECTIVES): Define if not defined already based on
__GCC_HAVE_DWARF2_CFI_ASM.
(cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
cfi_def_cfa_register, cfi_def_cfa, cfi_register, cfi_offset, cfi_push,
cfi_pop): Define.
* config/i386/cygwin.S: Don't include auto-host.h here, just
define USE_GAS_CFI_DIRECTIVES to 1 or 0 and include i386-asm.h.
(cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
cfi_def_cfa_register, cfi_register, cfi_push, cfi_pop): Remove.
* config/i386/resms64fx.h: Add cfi_* directives.
* config/i386/resms64x.h: Likewise.
From-SVN: r258010
2018-02-26 20:46:34 +01:00
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cfi_def_cfa(%rsp, 8)
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2017-05-14 12:22:08 +02:00
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ret
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re PR debug/83917 (with -mcall-ms2sysv-xlogues, stepping into x86 tail-call restore stub gives bad backtrace)
PR debug/83917
* config/i386/i386-asm.h (PACKAGE_VERSION, PACKAGE_NAME,
PACKAGE_STRING, PACKAGE_TARNAME, PACKAGE_URL): Undefine between
inclusion of auto-target.h and auto-host.h.
(USE_GAS_CFI_DIRECTIVES): Define if not defined already based on
__GCC_HAVE_DWARF2_CFI_ASM.
(cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
cfi_def_cfa_register, cfi_def_cfa, cfi_register, cfi_offset, cfi_push,
cfi_pop): Define.
* config/i386/cygwin.S: Don't include auto-host.h here, just
define USE_GAS_CFI_DIRECTIVES to 1 or 0 and include i386-asm.h.
(cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
cfi_def_cfa_register, cfi_register, cfi_push, cfi_pop): Remove.
* config/i386/resms64fx.h: Add cfi_* directives.
* config/i386/resms64x.h: Likewise.
From-SVN: r258010
2018-02-26 20:46:34 +01:00
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cfi_endproc()
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2017-09-17 22:04:40 +00:00
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MS2SYSV_STUB_END(resms64fx_12)
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MS2SYSV_STUB_END(resms64fx_13)
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MS2SYSV_STUB_END(resms64fx_14)
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MS2SYSV_STUB_END(resms64fx_15)
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MS2SYSV_STUB_END(resms64fx_16)
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MS2SYSV_STUB_END(resms64fx_17)
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2017-05-14 12:22:08 +02:00
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#endif /* __x86_64__ */
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