/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
.globl objc_msg_lookup
.globl objc_msg_lookup_super
.section .text
objc_msg_lookup:
cmp r0, #0
beq ret_nil
ldr r2, [r0, #0]
ldr r2, [r2, #32]
lookup:
#ifdef OF_SELUID24
ldrb r3, [r1, #2]
ldr r2, [r2, r3, lsl #2]
#endif
ldrb r3, [r1, #1]
ldr r2, [r2, r3, lsl #2]
ldrb r3, [r1, #0]
ldr r2, [r2, r3, lsl #2]
cmp r2, #0
beq objc_not_found_handler(PLT)
mov r0, r2
bx lr
objc_msg_lookup_super:
ldr r2, [r0, #0]
cmp r0, #0
beq ret_nil
ldr r2, [r0, #4]
ldr r2, [r2, #32]
b lookup
ret_nil:
adr r0, nil_method
bx lr
nil_method:
mov r0, #0
bx lr
.type objc_msg_lookup, %function
.type objc_msg_lookup_super, %function
.size objc_msg_lookup, objc_msg_lookup_super-objc_msg_lookup
.size objc_msg_lookup_super, ret_nil-objc_msg_lookup_super
#ifdef __linux__
.section .note.GNU-stack, "", %progbits
#endif