Revert 45697:
[reactos.git] / lib / pseh / i386 / framebased.S
1 // Copyright (c) 2004/2005 KJK::Hyperion
2
3 // Permission is hereby granted, free of charge, to any person obtaining a copy
4 // of this software and associated documentation files (the "Software"), to deal
5 // in the Software without restriction, including without limitation the rights
6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 // copies of the Software, and to permit persons to whom the Software is
8 // furnished to dos so, subject to the following conditions:
9
10 // The above copyright notice and this permission notice shall be included in all
11 // copies or substantial portions of the Software.
12
13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
19 // SOFTWARE.
20
21 .text
22 .intel_syntax noprefix
23
24 .globl __SEHCleanHandlerEnvironment
25 __SEHCleanHandlerEnvironment:
26 cld
27 ret
28
29 .globl __SEHCurrentRegistration
30 __SEHCurrentRegistration:
31 mov eax, [fs:0]
32 ret
33
34 .globl __SEHRegisterFrame
35 __SEHRegisterFrame:
36 mov ecx, [esp+4]
37 mov eax, [fs:0]
38 mov [ecx+0], eax
39 mov [fs:0], ecx
40 ret
41
42 .globl __SEHUnregisterFrame
43 __SEHUnregisterFrame:
44 mov ecx, [fs:0]
45 mov ecx, [ecx+0]
46 mov [fs:0], ecx
47 ret
48
49 .globl __SEHGlobalUnwind
50 __SEHGlobalUnwind:
51
52 .extern __SEHRtlUnwind
53
54 // RtlUnwind clobbers all the "don't clobber" registers, so we save them
55 push ebx
56 mov ebx, [esp+8]
57 push esi
58 push edi
59
60 push 0 // ReturnValue
61 push 0 // ExceptionRecord
62 push .RestoreRegisters // TargetIp
63 push ebx // TargetFrame
64 call [__SEHRtlUnwind]
65
66 .RestoreRegisters:
67 pop edi
68 pop esi
69 pop ebx
70
71 ret
72
73 // EOF