author | mikek |
Sun, 27 Jun 2010 21:43:55 +0100 | |
branch | GCC_SURGE |
changeset 181 | bd8f1e65581b |
parent 0 | a41df078684a |
permissions | -rw-r--r-- |
// Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies). // All rights reserved. // This component and the accompanying materials are made available // under the terms of the License "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: // e32\memmodel\epoc\multiple\arm\xkernel.cia // // #include <arm_mem.h> __NAKED__ TBool Exc::IsMagic(TLinAddr /*anAddress*/) // // Return TRUE if anAddress is a 'magic' exception handling instruction // { asm("adr r1, __magic_addresses "); // r1 points to list of magic addresses asm("is_magic_1: "); asm("ldr r2, [r1], #4 "); // r2=next magic address to check asm("cmp r2, r0 "); // is r0=magic address? asm("cmpne r2, #0 "); // if not, have we reached end of list? asm("bne is_magic_1 "); // if neither, check next address asm("movs r0, r2 "); // r0=0 if not magic, r0 unchanged if magic __JUMP(,lr); asm("__magic_addresses: "); asm(".word __magic_address_kusaferead "); asm(".word __magic_address_saferead "); asm(".word __magic_address_kusafewrite "); asm(".word __magic_address_safewrite "); asm(".word __magic_address_msg_lookup_1 "); // in preprocess handler asm(".word __magic_address_readdesheader1 "); asm(".word __magic_address_readdesheader2 "); asm(".word __magic_address_readdesheader3 "); #ifdef __MESSAGE_MACHINE_CODED_2__ asm(".word __magic_address_msg_lookup_2 "); #endif #ifdef __CLIENT_REQUEST_MACHINE_CODED__ asm(".word __magic_address_client_request_callback"); asm(".word __magic_address_svr_accept_1 "); asm(".word __magic_address_svr_accept_2 "); asm(".word __magic_address_svr_accept_3 "); asm(".word __magic_address_svr_accept_4 "); asm(".word __magic_address_svr_accept_5 "); asm(".word __magic_address_svr_accept_6 "); asm(".word __magic_address_svr_accept_7 "); asm(".word __magic_address_svr_accept_8 "); #endif #ifdef __REQUEST_COMPLETE_MACHINE_CODED__ asm(".word __magic_address_reqc "); asm(".word __magic_address_kern_request_complete "); #endif // list terminator asm(".word 0 "); }