Overview
| Comment: | Add forwardingTargetForSelector: for x86/ELF.
Currently, no methods returning structs are supported, see the comment |
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| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
9686258014252af3897f5b6bb6c9456f |
| User & Date: | js on 2013-07-07 14:14:05 |
| Other Links: | manifest | tags |
Context
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2013-07-08
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| 15:30 | Check for forwarding at compile time. check-in: bbabe17c4f user: js tags: trunk | |
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2013-07-07
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| 14:14 | Add forwardingTargetForSelector: for x86/ELF. check-in: 9686258014 user: js tags: trunk | |
| 12:53 | Fix dependency generation for .S files. check-in: 55b2494956 user: js tags: trunk | |
Changes
Modified configure.ac from [fedd750d77] to [97256323bc].
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250 251 252 253 254 255 256 257 258 259 260 261 262 263 | #if defined(__i386__) && defined(__ELF__) yes #endif ], [ AC_SUBST(LOOKUP_S, lookup-x86-elf.S) AC_DEFINE(OF_ASM_LOOKUP, 1, [Whether to use assembly for lookup]) ]) ]) AC_EGREP_CPP(yes, [ #if defined(__amd64__) || defined(__x86_64__) # ifdef __MACH__ yes | > > | 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 | #if defined(__i386__) && defined(__ELF__) yes #endif ], [ AC_SUBST(LOOKUP_S, lookup-x86-elf.S) AC_DEFINE(OF_ASM_LOOKUP, 1, [Whether to use assembly for lookup]) AC_DEFINE(OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR, 1, [Whether we have forwardingTargetForSelector:]) ]) ]) AC_EGREP_CPP(yes, [ #if defined(__amd64__) || defined(__x86_64__) # ifdef __MACH__ yes |
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Modified src/forwarding-amd64-elf.S from [d81347873d] to [ee4e7452e5].
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72 73 74 75 76 77 78 | movq %rbp, %rsp popq %rbp jmp *%r11 init: leaq module(%rip), %rdi | | < | 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | movq %rbp, %rsp popq %rbp jmp *%r11 init: leaq module(%rip), %rdi jmp __objc_exec_class@PLT .section .init_array .quad init .section .rodata str_forwardingTargetForSelector_: .asciz "forwardingTargetForSelector:" |
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Added src/forwarding-x86-elf.S version [c6c400862a].
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 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 99 100 101 102 103 104 105 106 | /* * 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. */ .globl of_forward .section .text of_forward: pushl %ebp movl %esp, %ebp pushl %ebx subl $20, %esp call get_eip .L0: movl 8(%ebp), %eax movl %eax, (%esp) leal sel_forwardingTargetForSelector_-.L0(%ebx), %eax movl %eax, 4(%esp) leal objc_msg_lookup-.L0(%ebx), %eax call *%eax movl 8(%ebp), %edx movl %edx, (%esp) leal sel_forwardingTargetForSelector_-.L0(%ebx), %edx movl %edx, 4(%esp) movl 12(%ebp), %edx movl %edx, 8(%esp) call *%eax movl %eax, 8(%ebp) movl %eax, (%esp) movl 12(%ebp), %eax movl %eax, 4(%esp) leal objc_msg_lookup-.L0(%ebx), %eax call *%eax addl $20, %esp popl %ebx popl %ebp jmp *%eax init: pushl %ebp movl %esp, %ebp pushl %ebx subl $4, %esp call get_eip .L1: leal module-.L1(%ebx), %eax movl %eax, (%esp) leal __objc_exec_class-.L1(%ebx), %eax call *%eax addl $4, %esp popl %ebx popl %ebp ret get_eip: movl (%esp), %ebx ret .section .init_array .long init .section .rodata str_forwardingTargetForSelector_: .asciz "forwardingTargetForSelector:" .section .data sel_forwardingTargetForSelector_: .long str_forwardingTargetForSelector_, 0 .long 0, 0 symtab: .long 0, sel_forwardingTargetForSelector_ .short 0, 0 .long 0 .long 0 module: .long 8, 16, 0, symtab .type of_forward, %function .size of_forward, init-of_forward #ifdef __linux__ .section .note.GNU-stack, "", %progbits #endif |