VirtualBox

source: vbox/trunk/src/VBox/Runtime/misc/setjmp.asm@ 3840

Last change on this file since 3840 was 3672, checked in by vboxsync, 17 years ago

RT_OS_* and RT_ARCH_* for Runtime/ and Support/

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1; $Id: setjmp.asm 3672 2007-07-17 12:39:30Z vboxsync $
2;; @file
3; innotek Portable Runtime - No-CRT setjmp & longjmp - AMD64 & X86.
4;
5
6;
7; Copyright (C) 2006-2007 innotek GmbH
8;
9; This file is part of VirtualBox Open Source Edition (OSE), as
10; available from http://www.virtualbox.org. This file is free software;
11; you can redistribute it and/or modify it under the terms of the GNU
12; General Public License as published by the Free Software Foundation,
13; in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14; distribution. VirtualBox OSE is distributed in the hope that it will
15; be useful, but WITHOUT ANY WARRANTY of any kind.
16;
17; If you received this file as part of a commercial VirtualBox
18; distribution, then only the terms of your commercial VirtualBox
19; license agreement apply instead of the previous paragraph.
20;
21
22%include "iprt/asmdefs.mac"
23
24
25BEGINCODE
26
27
28BEGINPROC RT_NOCRT(setjmp)
29%ifdef RT_ARCH_AMD64
30 mov rax, [rsp]
31 mov [rdi + 00h], rax ; rip
32 lea rcx, [rsp + 8]
33 mov [rdi + 08h], rcx ; rsp
34 mov [rdi + 10h], rbp
35 mov [rdi + 18h], r15
36 mov [rdi + 20h], r14
37 mov [rdi + 28h], r13
38 mov [rdi + 30h], r12
39 mov [rdi + 38h], rbx
40%else
41 mov edx, [esp + 4h]
42 mov eax, [esp]
43 mov [edx + 00h], eax ; eip
44 lea ecx, [esp + 4h]
45 mov [edx + 04h], ecx ; esp
46 mov [edx + 08h], ebp
47 mov [edx + 0ch], ebx
48 mov [edx + 10h], edi
49 mov [edx + 14h], esi
50%endif
51 xor eax, eax
52 ret
53ENDPROC RT_NOCRT(setjmp)
54
55
56BEGINPROC RT_NOCRT(longjmp)
57%ifdef RT_ARCH_AMD64
58 mov rbx, [rdi + 38h]
59 mov r12, [rdi + 30h]
60 mov r13, [rdi + 28h]
61 mov r14, [rdi + 20h]
62 mov r15, [rdi + 18h]
63 mov rbp, [rdi + 10h]
64 mov eax, esi
65 test eax, eax
66 jnz .fine
67 inc al
68.fine:
69 mov rsp, [rdi + 08h]
70 jmp qword [rdi + 00h]
71%else
72 mov edx, [esp + 4h]
73 mov eax, [esp + 8h]
74 mov esi, [edx + 14h]
75 mov edi, [edx + 10h]
76 mov ebx, [edx + 0ch]
77 mov ebp, [edx + 08h]
78 test eax, eax
79 jnz .fine
80 inc al
81.fine:
82 mov esp, [edx + 04h]
83 jmp dword [edx + 00h]
84%endif
85ENDPROC RT_NOCRT(longjmp)
86
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