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- /*
- * 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>
- .file "setjmp.S"
- .text
- GRUB_EXPORT_START
- GRUB_EXPORT(grub_setjmp);
- GRUB_EXPORT(grub_longjmp);
- GRUB_EXPORT_END
- /*
- * 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
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