; $Id$

;; @file

; innotek Portable Runtime - No-CRT setjmp & longjmp - AMD64 & X86.

;

;

; Copyright (C) 2006-2007 innotek GmbH

;

; This file is part of VirtualBox Open Source Edition (OSE), as

; available from http://www.virtualbox.org. This file 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,

; in version 2 as it comes in the "COPYING" file of the VirtualBox OSE

; distribution. VirtualBox OSE is distributed in the hope that it will

; be useful, but WITHOUT ANY WARRANTY of any kind.

;

; If you received this file as part of a commercial VirtualBox

; distribution, then only the terms of your commercial VirtualBox

; license agreement apply instead of the previous paragraph.

;

%include "iprt/asmdefs.mac"

BEGINCODE

BEGINPROC RT_NOCRT(setjmp)

%ifdef RT_ARCH_AMD64

mov rax, [rsp]

mov [rdi + 00h], rax ; rip

lea rcx, [rsp + 8]

mov [rdi + 08h], rcx ; rsp

mov [rdi + 10h], rbp

mov [rdi + 18h], r15

mov [rdi + 20h], r14

mov [rdi + 28h], r13

mov [rdi + 30h], r12

mov [rdi + 38h], rbx

%else

mov edx, [esp + 4h]

mov eax, [esp]

mov [edx + 00h], eax ; eip

lea ecx, [esp + 4h]

mov [edx + 04h], ecx ; esp

mov [edx + 08h], ebp

mov [edx + 0ch], ebx

mov [edx + 10h], edi

mov [edx + 14h], esi

%endif

xor eax, eax

ret

ENDPROC RT_NOCRT(setjmp)

BEGINPROC RT_NOCRT(longjmp)

%ifdef RT_ARCH_AMD64

mov rbx, [rdi + 38h]

mov r12, [rdi + 30h]

mov r13, [rdi + 28h]

mov r14, [rdi + 20h]

mov r15, [rdi + 18h]

mov rbp, [rdi + 10h]

mov eax, esi

test eax, eax

jnz .fine

inc al

.fine:

mov rsp, [rdi + 08h]

jmp qword [rdi + 00h]

%else

mov edx, [esp + 4h]

mov eax, [esp + 8h]

mov esi, [edx + 14h]

mov edi, [edx + 10h]

mov ebx, [edx + 0ch]

mov ebp, [edx + 08h]

test eax, eax

jnz .fine

inc al

.fine:

mov esp, [edx + 04h]

jmp dword [edx + 00h]

%endif

ENDPROC RT_NOCRT(longjmp)