| /* Copyright (C) 2001,2004,2005,2006,2009 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sysdep.h> |
| #include <jmpbuf-offsets.h> |
| #include <asm-syntax.h> |
| |
| /* Jump to the position specified by ENV, causing the |
| setjmp call there to return VAL, or 1 if VAL is 0. |
| void __longjmp (__jmp_buf env, int val). */ |
| .text |
| ENTRY(__longjmp) |
| /* Restore registers. */ |
| movq (JB_RSP*8)(%rdi),%r8 |
| movq (JB_RBP*8)(%rdi),%r9 |
| movq (JB_PC*8)(%rdi),%rdx |
| #ifdef PTR_DEMANGLE |
| PTR_DEMANGLE (%r8) |
| PTR_DEMANGLE (%r9) |
| PTR_DEMANGLE (%rdx) |
| #endif |
| /* We add unwind information for the target here. */ |
| cfi_def_cfa(%rdi, 0) |
| cfi_register(%rsp,%r8) |
| cfi_register(%rbp,%r9) |
| cfi_register(%rip,%rdx) |
| cfi_offset(%rbx,JB_RBX*8) |
| cfi_offset(%r12,JB_R12*8) |
| cfi_offset(%r13,JB_R13*8) |
| cfi_offset(%r14,JB_R14*8) |
| cfi_offset(%r15,JB_R15*8) |
| movq (JB_RBX*8)(%rdi),%rbx |
| movq (JB_R12*8)(%rdi),%r12 |
| movq (JB_R13*8)(%rdi),%r13 |
| movq (JB_R14*8)(%rdi),%r14 |
| movq (JB_R15*8)(%rdi),%r15 |
| /* Set return value for setjmp. */ |
| mov %esi, %eax |
| movq %r8,%rsp |
| movq %r9,%rbp |
| jmpq *%rdx |
| END (__longjmp) |
