Artifact 7067db37e0e7fa8b3aa814e94b7746f0a60578af36367636c155d3961bb34511:
- File
src/runtime/lookup-mips-elf.S
— part of check-in
[9c630f8f86]
at
2013-07-06 00:21:44
on branch trunk
— Add MIPS/ELF assembly lookup implementation.
Only tested on the PSP so far. (user: js, size: 1770) [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 nop 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) beqz $t0, objc_not_found_handler nop move $v0, $t0 j $ra nop objc_msg_lookup_super: lw $t0, 0($a0) beqz $t0, ret_nil nop lw $t0, 4($a0) lw $t0, 32($t0) b lookup nop ret_nil: lui $v0, %hi(nil_method) addiu $v0, %lo(nil_method) j $ra nop nil_method: addu $v0, $zero, $zero j $ra nop .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