/*
* 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_stret
.globl objc_msg_lookup_super
.globl objc_msg_lookup_super_stret
.section .text
objc_msg_lookup:
objc_msg_lookup_stret: /* FIXME */
beqz $a0, ret_nil
lw $t0, 0($a0)
lw $t0, 32($t0)
lookup:
#if defined(_MIPSEL)
# ifdef OF_SELUID24
lbu $t1, 2($a1)
# endif
lbu $t2, 1($a1)
lbu $t3, 0($a1)
#elif defined(_MIPSEB)
# ifdef OF_SELUID24
lbu $t1, 1($a1)
# endif
lbu $t2, 2($a1)
lbu $t3, 3($a1)
#else
# error Neither _MIPSEL nor _MIPSEB defined!
#endif
#ifdef OF_SELUID24
sll $t1, $t1, 2
#endif
sll $t2, $t2, 2
sll $t3, $t3, 2
#ifdef OF_SELUID24
addu $t0, $t0, $t1
lw $t0, 0($t0)
#endif
addu $t0, $t0, $t2
lw $t0, 0($t0)
addu $t0, $t0, $t3
lw $t0, 0($t0)
#ifdef __PIC__
beqz $t0, forward
#else
beqz $t0, objc_not_found_handler
#endif
move $v0, $t0
j $ra
ret_nil:
#ifdef __PIC__
addiu $v0, $t9, nil_method-objc_msg_lookup
#else
la $v0, nil_method
#endif
j $ra
#ifdef __PIC__
forward:
lui $gp, %hi(_gp_disp)
addiu $gp, $gp, %lo(_gp_disp)
addu $gp, $gp, $t9
addiu $gp, $gp, forward-objc_msg_lookup
lw $t9, %call16(objc_not_found_handler)($gp)
jr $t9
#endif
.type objc_msg_lookup, %function
.size objc_msg_lookup, .-objc_msg_lookup
objc_msg_lookup_super:
objc_msg_lookup_super_stret: /* FIXME */
lw $t0, 0($a0)
beqz $t0, ret_nil
lw $t0, 4($a0)
lw $t0, 32($t0)
b lookup
.type objc_msg_lookup_super, %function
.size objc_msg_lookup_super, .-objc_msg_lookup_super
nil_method:
move $v0, $zero
j $ra
#ifdef __linux__
.section .note.GNU-stack, "", %progbits
#endif