| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2003,2007 Free Software Foundation, Inc. |
| * |
| * GRUB is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <grub/symbol.h> |
| #include <grub/dl.h> |
| |
| .file "setjmp.S" |
| |
| GRUB_MOD_LICENSE "GPLv3+" |
| |
| .text |
| |
| /* |
| * int grub_setjmp (grub_jmp_buf env) |
| */ |
| FUNCTION(grub_setjmp) |
| movl %ebx, 0(%eax) /* EBX */ |
| movl %esi, 4(%eax) /* ESI */ |
| movl %edi, 8(%eax) /* EDI */ |
| movl %ebp, 12(%eax) /* EBP */ |
| popl %ecx |
| movl %esp, 16(%eax) /* ESP */ |
| movl %ecx, 20(%eax) /* EIP */ |
| xorl %eax, %eax |
| jmp *%ecx |
| |
| |
| /* |
| * int grub_longjmp (grub_jmp_buf env, int val) |
| */ |
| FUNCTION(grub_longjmp) |
| movl 0(%eax), %ebx |
| movl 4(%eax), %esi |
| movl 8(%eax), %edi |
| movl 12(%eax), %ebp |
| movl 16(%eax), %esp |
| movl 20(%eax), %ecx |
| |
| movl %edx, %eax |
| testl %eax, %eax |
| jnz 1f |
| incl %eax |
| 1: jmp *%ecx |
| |
