Overview
Comment: | Implement forwarding target for Apple/i386. |
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SHA3-256: |
1ec18e57bc05e14abe2996d2d37ce296 |
User & Date: | js on 2012-11-16 23:07:44 |
Other Links: | manifest | tags |
Context
2012-11-17
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13:26 | Fix forwarding with stret. check-in: b490df80c4 user: js tags: trunk | |
2012-11-16
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23:07 | Implement forwarding target for Apple/i386. check-in: 1ec18e57bc user: js tags: trunk | |
21:26 | Bridge: Fix some type inconsistencies. check-in: 4b6dc80314 user: js tags: trunk | |
Changes
Modified src/OFObject.m from [43abec3b5d] to [62c904a387].
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63 64 65 66 67 68 69 | #import "instance.h" #if defined(OF_ATOMIC_OPS) # import "atomic.h" #elif defined(OF_THREADS) # import "threading.h" #endif | | > > | 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | #import "instance.h" #if defined(OF_ATOMIC_OPS) # import "atomic.h" #elif defined(OF_THREADS) # import "threading.h" #endif #ifdef OF_APPLE_RUNTIME # if defined(__x86_64__) || defined(__i386__) extern id of_forward(id, SEL, ...); extern struct stret of_forward_stret(id, SEL, ...); #endif #endif struct pre_ivar { int32_t retainCount; struct pre_mem *firstMem, *lastMem; #if !defined(OF_ATOMIC_OPS) && defined(OF_THREADS) of_spinlock_t retainCountSpinlock; #endif |
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254 255 256 257 258 259 260 | #if !defined(OF_APPLE_RUNTIME) || defined(__OBJC2__) objc_setUncaughtExceptionHandler(uncaught_exception_handler); #endif #if defined(OF_OBJFW_RUNTIME) objc_forward_handler = forward_handler; #elif defined(OF_APPLE_RUNTIME) | | | 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 | #if !defined(OF_APPLE_RUNTIME) || defined(__OBJC2__) objc_setUncaughtExceptionHandler(uncaught_exception_handler); #endif #if defined(OF_OBJFW_RUNTIME) objc_forward_handler = forward_handler; #elif defined(OF_APPLE_RUNTIME) # if defined(__x86_64__) || defined(__i386__) objc_setForwardHandler(of_forward, of_forward_stret); # endif #endif #ifdef HAVE_OBJC_ENUMERATIONMUTATION objc_setEnumerationMutationHandler(enumeration_mutation_handler); #endif |
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Added src/apple-forwarding-i386.S version [f7e556eeea].
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 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 | /* * Copyright (c) 2008, 2009, 2010, 2011, 2012 * 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 .globl _of_forward_stret .section __TEXT, __cstring, cstring_literals L_str_forwardingTargetForSelector: .asciz "forwardingTargetForSelector:" .section __OBJC, __message_refs, literal_pointers, no_dead_strip L_sel_forwardingTargetForSelector: .long L_str_forwardingTargetForSelector .section __OBJC, __image_info .long 0, 0 .section __TEXT, __text, regular, pure_instructions .macro forward dispatch_func pushl %ebp movl %esp, %ebp pushl 8(%ebp) call _object_getClass addl $4, %esp movl %eax, %edx call get_eip L0_\dispatch_func: pushl L_sel_forwardingTargetForSelector-L0_\dispatch_func(%eax) pushl %edx call _class_respondsToSelector addl $8, %esp testl %eax, %eax jz fail pushl 12(%ebp) call get_eip L1_\dispatch_func: pushl L_sel_forwardingTargetForSelector-L1_\dispatch_func(%eax) pushl 8(%ebp) call _objc_msgSend testl %eax, %eax jz fail cmpl 8(%ebp), %eax je fail movl %eax, 8(%ebp) movl %ebp, %esp popl %ebp jmp \dispatch_func .endmacro _of_forward: forward _objc_msgSend _of_forward_stret: forward _objc_msgSend_stret fail: movl %ebp, %esp popl %ebp jmp _of_method_not_found get_eip: movl (%esp), %eax ret |
Modified src/apple-forwarding-x86_64.S from [f7c3563b91] to [944516a548].
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26 27 28 29 30 31 32 | .quad L_str_forwardingTargetForSelector .section __DATA, __objc_imageinfo, regular, no_dead_strip .long 0, 0 .section __TEXT, __text, regular, pure_instructions .macro forward dispatch_func | | | 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | .quad L_str_forwardingTargetForSelector .section __DATA, __objc_imageinfo, regular, no_dead_strip .long 0, 0 .section __TEXT, __text, regular, pure_instructions .macro forward dispatch_func pushq %rbp movq %rsp, %rbp /* Save all arguments */ subq $0xC0, %rsp /* 16-byte alignment */ movq %rax, 0xA8(%rsp) movq %rdi, 0xA0(%rsp) movq %rsi, 0x98(%rsp) |
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51 52 53 54 55 56 57 | movd %xmm6, 0x10(%rsp) movd %xmm7, (%rsp) call _object_getClass movq %rax, %rdi movq L_sel_forwardingTargetForSelector(%rip), %rsi call _class_respondsToSelector | | | | | > | | 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 99 100 101 102 103 104 105 106 107 108 | movd %xmm6, 0x10(%rsp) movd %xmm7, (%rsp) call _object_getClass movq %rax, %rdi movq L_sel_forwardingTargetForSelector(%rip), %rsi call _class_respondsToSelector testq %rax, %rax jz fail movq 0xA0(%rsp), %rdi movq L_sel_forwardingTargetForSelector(%rip), %rsi movq 0x98(%rsp), %rdx call \dispatch_func movq %rax, %rdi testq %rdi, %rdi jz fail cmpq 0xA0(%rsp), %rdi je fail /* Restore all arguments, except %rdi */ movd (%rsp), %xmm7 movd 0x10(%rsp), %xmm6 movd 0x20(%rsp), %xmm5 movd 0x30(%rsp), %xmm4 movd 0x40(%rsp), %xmm3 movd 0x50(%rsp), %xmm2 movd 0x60(%rsp), %xmm1 movd 0x70(%rsp), %xmm0 movq 0x78(%rsp), %r9 movq 0x80(%rsp), %r8 movq 0x88(%rsp), %rcx movq 0x90(%rsp), %rdx movq 0x98(%rsp), %rsi movq 0xA8(%rsp), %rax movq %rbp, %rsp popq %rbp jmp \dispatch_func .endmacro _of_forward: forward _objc_msgSend _of_forward_stret: forward _objc_msgSend_stret fail: movq 0xA0(%rsp), %rdi movq 0x98(%rsp), %rsi movq %rbp, %rsp popq %rbp jmp _of_method_not_found |
Modified src/apple-forwarding.S from [9e82925ad3] to [ea041816ca].
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12 13 14 15 16 17 18 | * 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" | | > > | 12 13 14 15 16 17 18 19 20 21 22 23 | * 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" #if defined(__x86_64__) # include "apple-forwarding-x86_64.S" #elif defined(__i386__) # include "apple-forwarding-i386.S" #endif |