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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Runtime/common/misc/setjmp.asm | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/misc/setjmp.asm b/src/VBox/Runtime/common/misc/setjmp.asm new file mode 100644 index 00000000..7207aa90 --- /dev/null +++ b/src/VBox/Runtime/common/misc/setjmp.asm @@ -0,0 +1,138 @@ +; $Id: setjmp.asm $ +;; @file +; IPRT - No-CRT setjmp & longjmp - AMD64 & X86. +; + +; +; Copyright (C) 2006-2019 Oracle Corporation +; +; 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 (GPL) 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. +; +; The contents of this file may alternatively be used under the terms +; of the Common Development and Distribution License Version 1.0 +; (CDDL) only, as it comes in the "COPYING.CDDL" file of the +; VirtualBox OSE distribution, in which case the provisions of the +; CDDL are applicable instead of those of the GPL. +; +; You may elect to license modified versions of this file under the +; terms and conditions of either the GPL or the CDDL or both. +; + +%include "iprt/asmdefs.mac" + + +BEGINCODE + + +;; +; @param x86:[esp+4] msc:rcx gcc:rdi The jump buffer pointer. +BEGINPROC RT_NOCRT(setjmp) +%ifdef RT_ARCH_AMD64 + %ifndef ASM_CALL64_MSC + mov rcx, rdi + %endif + mov rax, [rsp] + mov [rcx + 0h*8], rax ; 0 - rip + lea rdx, [rsp + 8] + mov [rcx + 1h*8], rdx ; 1 - rsp + mov [rcx + 2h*8], rbp + mov [rcx + 3h*8], r15 + mov [rcx + 4h*8], r14 + mov [rcx + 5h*8], r13 + mov [rcx + 6h*8], r12 + mov [rcx + 7h*8], rbx + %ifdef ASM_CALL64_MSC + mov [rcx + 8h*8], rsi + mov [rcx + 9h*8], rdi + movdqa [rcx + 0ah*8], xmm6 + movdqa [rcx + 0ch*8], xmm7 + movdqa [rcx + 0eh*8], xmm8 + movdqa [rcx + 10h*8], xmm9 + movdqa [rcx + 12h*8], xmm10 + movdqa [rcx + 14h*8], xmm11 + movdqa [rcx + 16h*8], xmm12 + movdqa [rcx + 18h*8], xmm13 + movdqa [rcx + 1ah*8], xmm14 + movdqa [rcx + 1ch*8], xmm15 + %ifndef RT_OS_WINDOWS + %error "Fix setjmp.h" + %endif + %endif +%else + mov edx, [esp + 4h] + mov eax, [esp] + mov [edx + 0h*4], eax ; eip + lea ecx, [esp + 4h] + mov [edx + 1h*4], ecx ; esp + mov [edx + 2h*4], ebp + mov [edx + 3h*4], ebx + mov [edx + 4h*4], edi + mov [edx + 5h*4], esi +%endif + xor eax, eax + ret +ENDPROC RT_NOCRT(setjmp) + + +;; +; @param x86:[esp+4] msc:rcx gcc:rdi The jump buffer pointer. +; @param x86:[esp+8] msc:rdx gcc:rsi Return value. +BEGINPROC RT_NOCRT(longjmp) +%ifdef RT_ARCH_AMD64 + %ifdef ASM_CALL64_MSC + mov eax, edx ; ret + %else + mov rcx, rdi ; jmp_buf + mov eax, esi ; ret + %endif + mov rbp, [rcx + 2h*8] + mov r15, [rcx + 3h*8] + mov r14, [rcx + 4h*8] + mov r13, [rcx + 5h*8] + mov r12, [rcx + 6h*8] + mov rbx, [rcx + 7h*8] + %ifdef ASM_CALL64_MSC + mov rsi, [rcx + 8h*8] + mov rdi, [rcx + 9h*8] + movdqa xmm6, [rcx + 0ah*8] + movdqa xmm7, [rcx + 0ch*8] + movdqa xmm8, [rcx + 0eh*8] + movdqa xmm9, [rcx + 10h*8] + movdqa xmm10, [rcx + 12h*8] + movdqa xmm11, [rcx + 14h*8] + movdqa xmm12, [rcx + 16h*8] + movdqa xmm13, [rcx + 18h*8] + movdqa xmm14, [rcx + 1ah*8] + movdqa xmm15, [rcx + 1ch*8] + %ifndef RT_OS_WINDOWS + %error "Fix setjmp.h" + %endif + %endif + test eax, eax + jnz .fine + inc al +.fine: + mov rsp, [rcx + 1h*8] + jmp qword [rcx + 0h*8] +%else + mov edx, [esp + 4h] ; jmp_buf + mov eax, [esp + 8h] ; ret + mov esi, [edx + 5h*4] + mov edi, [edx + 4h*4] + mov ebx, [edx + 3h*4] + mov ebp, [edx + 2h*4] + test eax, eax + jnz .fine + inc al +.fine: + mov esp, [edx + 1h*4] + jmp dword [edx+ 0h*4] +%endif +ENDPROC RT_NOCRT(longjmp) + |