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f1baef62 | 1 | #------------------------------------------------------------------------------ |
2 | # | |
1f86b07d | 3 | # Copyright (c) 2006 - 2008, Intel Corporation |
f1baef62 | 4 | # All rights reserved. This program and the accompanying materials |
5 | # are licensed and made available under the terms and conditions of the BSD License | |
6 | # which accompanies this distribution. The full text of the license may be found at | |
7 | # http://opensource.org/licenses/bsd-license.php | |
8 | # | |
9 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
10 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
11 | # | |
12 | # Module Name: | |
13 | # | |
1f86b07d | 14 | # LongJump.S |
f1baef62 | 15 | # |
16 | # Abstract: | |
17 | # | |
18 | # Implementation of _LongJump() on IA-32. | |
19 | # | |
20 | #------------------------------------------------------------------------------ | |
21 | ||
22 | .globl ASM_PFX(InternalLongJump) | |
23 | ||
24 | #------------------------------------------------------------------------------ | |
25 | # VOID | |
26 | # EFIAPI | |
27 | # InternalLongJump ( | |
28 | # IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, | |
29 | # IN UINTN Value | |
30 | # ); | |
31 | #------------------------------------------------------------------------------ | |
32 | ASM_PFX(InternalLongJump): | |
57246fe0 | 33 | pop %eax # skip return address |
34 | pop %edx # edx <- JumpBuffer | |
35 | pop %eax # eax <- Value | |
f1baef62 | 36 | movl (%edx), %ebx |
37 | movl 4(%edx), %esi | |
38 | movl 8(%edx), %edi | |
39 | movl 12(%edx), %ebp | |
40 | movl 16(%edx), %esp | |
57246fe0 | 41 | jmp *20(%edx) # restore "eip" |