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- /* setjmp for x86-64.
- Copyright (C) 2001, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <jmpbuf-offsets.h>
- .global __sigsetjmp
- .type __sigsetjmp,%function
- __sigsetjmp:
- /* Save registers. */
- movq %rbx, (JB_RBX*8)(%rdi)
- movq %rbp, (JB_RBP*8)(%rdi)
- movq %r12, (JB_R12*8)(%rdi)
- movq %r13, (JB_R13*8)(%rdi)
- movq %r14, (JB_R14*8)(%rdi)
- movq %r15, (JB_R15*8)(%rdi)
- leaq 8(%rsp), %rdx /* Save SP as it will be after we return. */
- movq %rdx, (JB_RSP*8)(%rdi)
- movq (%rsp), %rax /* Save PC we are returning to now. */
- movq %rax, (JB_PC*8)(%rdi)
- /* Make a tail call to __sigjmp_save; it takes the same args. */
- #ifdef __PIC__
- jmp __sigjmp_save@PLT
- #else
- jmp __sigjmp_save
- #endif
- .size __sigsetjmp,.-__sigsetjmp
- libc_hidden_def(__sigsetjmp)
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