Artifact b184c8be257d402cc84ebf13f37678a5076bc9bc0e5799e95f7401a57afc47a9:
- File
src/runtime/lookup-asm-mips-elf.S
— part of check-in
[8108a32927]
at
2013-07-24 22:56:09
on branch trunk
— lookup-asm-mips-elf.S: Support PIC.
This also improves the check for the ABI. (user: js, size: 1989) [annotate] [blame] [check-ins using]
/* * 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: 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: 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