Artifact dde3e76344a02dcfe8e5812ee786c6548013c32e828d2fc1aefdd41122fd37bd:
- File
src/runtime/lookup-amd64-elf.S
— part of check-in
[d3ce57addf]
at
2012-04-06 13:43:59
on branch runtime
— Convert lookup-amd64-elf.S to AT&T syntax.
Clang has an integrated assembler now which only accepts AT&T syntax.
lookup-x86-elf.S to follow. (user: js, size: 1417) [annotate] [blame] [check-ins using]
/* * 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. */ #if defined(__x86_64__) && defined(__ELF__) .globl objc_msg_lookup .globl objc_msg_lookup_super .section .text objc_msg_lookup: testq %rdi, %rdi jz ret_nil movq (%rdi), %r8 movq 64(%r8), %r8 lookup: movq (%rsi), %rax movzbl %ah, %ecx movzbl %al, %edx shrl $16, %eax movq (%r8,%rax,8), %r8 movq (%r8,%rcx,8), %r8 movq (%r8,%rdx,8), %rax testq %rax, %rax jz forward ret forward: mov objc_forward_handler@GOTPCREL(%rip), %rax jmp *%rax objc_msg_lookup_super: movq (%rdi), %rax testq %rax, %rax jz ret_nil movq 8(%rdi), %r8 movq 64(%r8), %r8 movq %rdi, %rax jmp lookup ret_nil: leaq nil_method(%rip), %rax ret nil_method: movq %rdi, %rax ret .type objc_msg_lookup, @function .type objc_msg_lookup_super, @function .size objc_msg_lookup, forward-objc_msg_lookup .size objc_msg_lookup_super, ret_nil-objc_msg_lookup_super #endif