diff -r 000000000000 -r e4d67989cc36 genericopenlibs/cstdlib/LSIGNAL/JMP_MARM.CIA --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/genericopenlibs/cstdlib/LSIGNAL/JMP_MARM.CIA Tue Feb 02 02:01:42 2010 +0200 @@ -0,0 +1,76 @@ +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// + +#include + +//Suppressing RVCT compiler warning: +// "Warning: #830-D: function "RHeap::operator new" has no corresponding operator delete (to be called if an exception +// is thrown during initialization of an allocated object) +// __declspec(dllimport) TAny* operator new(TUint aSize, TAny* aBase) throw();" +#pragma diag_suppress 830 + +#include + +#pragma diag_default 830 + +extern "C" { + +EXPORT_C __NAKED__ int setjmp(jmp_buf __jmpb) + { +#if defined( __MARM_THUMB__) && __GCC32__ + asm("stmia r0!, {r4-r7}"); + asm("mov r2, r8"); + asm("mov r3, r9"); + asm("mov r4, r10"); + asm("mov r5, r11"); + asm("mov r6, sp"); + asm("mov r7, lr"); + asm("stmia r0!, {r2-r7}"); +#else + asm("stmia r0, {r4-r11, sp, lr} "); // Save the context */ +#endif + asm("mov r0, #0"); + __JUMP(,lr); + } + +EXPORT_C __NAKED__ void longjmp(jmp_buf __jmpb, int __retval) + { +#if defined( __MARM_THUMB__) && __GCC32__ + asm("mov r3, r0"); // save the jmp_buf pointer + asm("add r3, #16"); //add on 16 to get to high registers + asm("ldmia r3!, {r4-r7}"); + asm("mov r8,r4"); + asm("mov r9,r5"); + asm("mov r10,r6"); + asm("mov r11,r7"); + asm("ldmia r3!, {r4-r5}"); //get sp and lr + asm("mov sp, r4"); + asm("mov lr, r5"); + asm("mov r3, r0"); //get the jmp_buf ptr again + asm("ldmia r3!, {r4-r7}"); //and restore the lo regs + asm("mov r0, r1"); // return(__retval) + asm("cmp r0, #0"); + asm("bne 1f"); + asm("mov r0, #1"); + asm("1:"); +#else + asm("ldmia r0, {r4-r11, sp, lr} "); // Restore the context + asm("movs r0, r1"); // return(__retval == 0 ? 1 : retval) + asm("moveq r0, #1"); +#endif + __JUMP(,lr); + } + +} // extern "C"