Artifact f313fe156e9a5d1411f6f4c1d6e11b27b0aef158d57f5082bfe45b224bb1c0fe:
- File
src/runtime/lookup-asm/lookup-asm-amd64-macho.S
— part of check-in
[b7a4e61b88]
at
2023-04-22 20:22:08
on branch trunk
— Rename x86_64 to AMD64
It's just a less awkward name and also what the BSDs use. (user: js, size: 1844) [annotate] [blame] [check-ins using] [more...]
- File src/runtime/lookup-asm/lookup-asm-x86_64-macho.S — part of check-in [8939cbdb52] at 2023-01-06 09:04:02 on branch trunk — Update copyright (user: js, size: 1844) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008-2023 Jonathan Schleifer <js@nil.im> * * 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_stret .globl _objc_msg_lookup_super .globl _objc_msg_lookup_super_stret .section __TEXT, __text, regular, pure_instructions .macro GENERATE_LOOKUP $0: testq %rdi, %rdi jz returnNilMethod testb $$1, %dil jnz LtaggedPointer_$0 movq (%rdi), %r8 movq 64(%r8), %r8 Lmain_$0: movq (%rsi), %rax movzbl %ah, %ecx movzbl %al, %edx #ifdef OF_SELUID24 shrl $$16, %eax movq (%r8,%rax,8), %r8 #endif movq (%r8,%rcx,8), %r8 movq (%r8,%rdx,8), %rax testq %rax, %rax jz $1 ret LtaggedPointer_$0: movq _objc_taggedPointerSecret@GOTPCREL(%rip), %rax xorq (%rax), %rdi andb $$0xE, %dil movzbl %dil, %r8d movq _objc_taggedPointerClasses@GOTPCREL(%rip), %rax movq (%rax,%r8,4), %r8 movq 64(%r8), %r8 jmp Lmain_$0 .endmacro .macro GENERATE_LOOKUP_SUPER $0: movq %rdi, %r8 movq (%rdi), %rdi testq %rdi, %rdi jz returnNilMethod movq 8(%r8), %r8 movq 64(%r8), %r8 jmp Lmain_$1 .endmacro GENERATE_LOOKUP _objc_msg_lookup, _objc_methodNotFound GENERATE_LOOKUP _objc_msg_lookup_stret, _objc_methodNotFound_stret GENERATE_LOOKUP_SUPER _objc_msg_lookup_super, _objc_msg_lookup GENERATE_LOOKUP_SUPER _objc_msg_lookup_super_stret, _objc_msg_lookup_stret returnNilMethod: leaq nilMethod(%rip), %rax ret nilMethod: xorq %rax, %rax ret