Overview
| Comment: | Add MIPS/ELF assembly lookup implementation.
Only tested on the PSP so far. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
9c630f8f86cd2ec802cc5231ba203630 |
| User & Date: | js on 2013-07-06 00:21:44 |
| Other Links: | manifest | tags |
Context
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2013-07-06
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| 12:50 | MIPS lookup: Let the assembler insert the nops. check-in: 8f346088f4 user: js tags: trunk | |
| 00:21 | Add MIPS/ELF assembly lookup implementation. check-in: 9c630f8f86 user: js tags: trunk | |
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2013-07-05
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| 20:02 | Warn if atomic ops AND spinlocks are missing. check-in: 2db4aee23f user: js tags: trunk | |
Changes
Modified configure.ac from [2ac906deae] to [6f64066a18].
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285 286 287 288 289 290 291 292 293 294 295 296 297 298 | #if defined(__arm__) || defined(__ARM__) # ifdef __ELF__ yes # endif #endif ], [ AC_SUBST(LOOKUP_S, lookup-arm-elf.S) AC_DEFINE(OF_ASM_LOOKUP, 1, [Whether to use assembly for lookup]) ]) AS_IF([test x"$enable_seluid24" = x"yes"], [ AC_DEFINE(OF_SELUID24, 1, [Whether to use 24 bit selector UIDs]) | > > > > > > > > > > > > | 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 | #if defined(__arm__) || defined(__ARM__) # ifdef __ELF__ yes # endif #endif ], [ AC_SUBST(LOOKUP_S, lookup-arm-elf.S) AC_DEFINE(OF_ASM_LOOKUP, 1, [Whether to use assembly for lookup]) ]) AC_EGREP_CPP(yes, [ #if defined(__mips) && __mips < 64 && defined(__ELF__) # if defined(_MIPSEL) || defined(_MIPSEB) yes # endif #endif ], [ AC_SUBST(LOOKUP_S, lookup-mips-elf.S) AC_DEFINE(OF_ASM_LOOKUP, 1, [Whether to use assembly for lookup]) ]) AS_IF([test x"$enable_seluid24" = x"yes"], [ AC_DEFINE(OF_SELUID24, 1, [Whether to use 24 bit selector UIDs]) |
| ︙ | ︙ |
Added src/runtime/lookup-mips-elf.S version [7067db37e0].
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | /* * 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 |