diff options
Diffstat (limited to 'sysdeps/x86_64/setjmp.S')
| -rw-r--r-- | sysdeps/x86_64/setjmp.S | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/sysdeps/x86_64/setjmp.S b/sysdeps/x86_64/setjmp.S deleted file mode 100644 index 3a889033cd..0000000000 --- a/sysdeps/x86_64/setjmp.S +++ /dev/null @@ -1,66 +0,0 @@ -/* setjmp for x86-64. - Copyright (C) 2001-2017 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 <sysdep.h> -#include <jmpbuf-offsets.h> -#include <asm-syntax.h> -#include <stap-probe.h> - -ENTRY (__sigsetjmp) - /* Save registers. */ - movq %rbx, (JB_RBX*8)(%rdi) -#ifdef PTR_MANGLE -# ifdef __ILP32__ - /* Save the high bits of %rbp first, since PTR_MANGLE will - only handle the low bits but we cannot presume %rbp is - being used as a pointer and truncate it. Here we write all - of %rbp, but the low bits will be overwritten below. */ - movq %rbp, (JB_RBP*8)(%rdi) -# endif - mov %RBP_LP, %RAX_LP - PTR_MANGLE (%RAX_LP) - mov %RAX_LP, (JB_RBP*8)(%rdi) -#else - movq %rbp, (JB_RBP*8)(%rdi) -#endif - movq %r12, (JB_R12*8)(%rdi) - movq %r13, (JB_R13*8)(%rdi) - movq %r14, (JB_R14*8)(%rdi) - movq %r15, (JB_R15*8)(%rdi) - lea 8(%rsp), %RDX_LP /* Save SP as it will be after we return. */ -#ifdef PTR_MANGLE - PTR_MANGLE (%RDX_LP) -#endif - movq %rdx, (JB_RSP*8)(%rdi) - mov (%rsp), %RAX_LP /* Save PC we are returning to now. */ - LIBC_PROBE (setjmp, 3, LP_SIZE@%RDI_LP, -4@%esi, LP_SIZE@%RAX_LP) -#ifdef PTR_MANGLE - PTR_MANGLE (%RAX_LP) -#endif - movq %rax, (JB_PC*8)(%rdi) - -#if IS_IN (rtld) - /* In ld.so we never save the signal mask. */ - xorl %eax, %eax - retq -#else - /* Make a tail call to __sigjmp_save; it takes the same args. */ - jmp __sigjmp_save -#endif -END (__sigsetjmp) -hidden_def (__sigsetjmp) |