1  /* Epilogue stub for 64-bit ms/sysv clobbers: restore and return
       2     Copyright (C) 2016-2023 Free Software Foundation, Inc.
       3     Contributed by Daniel Santos <daniel.santos@pobox.com>
       4  
       5  This file is part of GCC.
       6  
       7  GCC is free software; you can redistribute it and/or modify
       8  it under the terms of the GNU General Public License as published by
       9  the Free Software Foundation; either version 3, or (at your option)
      10  any later version.
      11  
      12  GCC is distributed in the hope that it will be useful,
      13  but WITHOUT ANY WARRANTY; without even the implied warranty of
      14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15  GNU General Public License for more details.
      16  
      17  Under Section 7 of GPL version 3, you are granted additional
      18  permissions described in the GCC Runtime Library Exception, version
      19  3.1, as published by the Free Software Foundation.
      20  
      21  You should have received a copy of the GNU General Public License and
      22  a copy of the GCC Runtime Library Exception along with this program;
      23  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      24  <http://www.gnu.org/licenses/>.  */
      25  
      26  #include <cet.h>
      27  
      28  #ifdef __x86_64__
      29  #include "i386-asm.h"
      30  
      31  /* Epilogue routine for restoring 64-bit ms/sysv registers and returning from
      32   * function.  */
      33  
      34  	.text
      35  	cfi_startproc()
      36  	cfi_def_cfa(%r10, 8)
      37  MS2SYSV_STUB_BEGIN(resms64x_18)
      38  	mov	-0x70(%rsi),%r15
      39  MS2SYSV_STUB_BEGIN(resms64x_17)
      40  	mov	-0x68(%rsi),%r14
      41  MS2SYSV_STUB_BEGIN(resms64x_16)
      42  	mov	-0x60(%rsi),%r13
      43  MS2SYSV_STUB_BEGIN(resms64x_15)
      44  	mov	-0x58(%rsi),%r12
      45  MS2SYSV_STUB_BEGIN(resms64x_14)
      46  	mov	-0x50(%rsi),%rbp
      47  MS2SYSV_STUB_BEGIN(resms64x_13)
      48  	mov	-0x48(%rsi),%rbx
      49  MS2SYSV_STUB_BEGIN(resms64x_12)
      50  	mov	-0x40(%rsi),%rdi
      51  	SSE_RESTORE
      52  	mov	-0x38(%rsi),%rsi
      53  	mov	%r10,%rsp
      54  	cfi_def_cfa_register(%rsp)
      55  	ret
      56  	cfi_endproc()
      57  MS2SYSV_STUB_END(resms64x_12)
      58  MS2SYSV_STUB_END(resms64x_13)
      59  MS2SYSV_STUB_END(resms64x_14)
      60  MS2SYSV_STUB_END(resms64x_15)
      61  MS2SYSV_STUB_END(resms64x_16)
      62  MS2SYSV_STUB_END(resms64x_17)
      63  MS2SYSV_STUB_END(resms64x_18)
      64  
      65  #endif /* __x86_64__ */
      66  
      67  #if defined(__ELF__) && defined(__linux__)
      68  	.section .note.GNU-stack,"",@progbits
      69  	.previous
      70  #endif