1 /* Epilogue stub for 64-bit ms/sysv clobbers: restore, leave and return 2 Copyright (C) 2016-2022 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 64-bit ms/sysv registers when hard frame pointer 32 * used -- restores registers, restores frame pointer and then returns 33 * from the function. */ 34 35 .text 36 cfi_startproc() 37 cfi_offset(%rbp, -16) 38 cfi_def_cfa(%rbp, 16) 39 MS2SYSV_STUB_BEGIN(resms64fx_17) 40 mov -0x68(%rsi),%r15 41 MS2SYSV_STUB_BEGIN(resms64fx_16) 42 mov -0x60(%rsi),%r14 43 MS2SYSV_STUB_BEGIN(resms64fx_15) 44 mov -0x58(%rsi),%r13 45 MS2SYSV_STUB_BEGIN(resms64fx_14) 46 mov -0x50(%rsi),%r12 47 MS2SYSV_STUB_BEGIN(resms64fx_13) 48 mov -0x48(%rsi),%rbx 49 MS2SYSV_STUB_BEGIN(resms64fx_12) 50 mov -0x40(%rsi),%rdi 51 SSE_RESTORE 52 mov -0x38(%rsi),%rsi 53 leaveq 54 cfi_def_cfa(%rsp, 8) 55 ret 56 cfi_endproc() 57 MS2SYSV_STUB_END(resms64fx_12) 58 MS2SYSV_STUB_END(resms64fx_13) 59 MS2SYSV_STUB_END(resms64fx_14) 60 MS2SYSV_STUB_END(resms64fx_15) 61 MS2SYSV_STUB_END(resms64fx_16) 62 MS2SYSV_STUB_END(resms64fx_17) 63 64 #endif /* __x86_64__ */ 65 66 #if defined(__ELF__) && defined(__linux__) 67 .section .note.GNU-stack,"",@progbits 68 .previous 69 #endif 70