Artifact 12b1d6de585f9506dc80edf47dbf8b4b267c28eb851f20770f68fa9747ba461f:
- File
src/runtime/lookup-asm/lookup-asm-amd64-elf.S
— part of check-in
[452bdb4a5f]
at
2014-02-19 13:05:17
on branch trunk
— lookup-asm-amd64-*: Remove useless mov
This mov was not correctly translated when the code was converted from
Intel syntax to AT&T syntax, but this never caused any trouble as rdi is
not used in the code it jumps to anyway. (user: js, size: 1715) [annotate] [blame] [check-ins using] - File src/runtime/lookup-asm/lookup-asm-x86_64-elf.S — part of check-in [05f4b0a4f0] at 2014-02-22 01:14:03 on branch trunk — Rename AMD64 to x86_64 (user: js, size: 1715) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 * 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_stret .globl objc_msg_lookup_super .globl objc_msg_lookup_super_stret .section .text .macro generate_lookup name not_found \name: testq %rdi, %rdi jz ret_nil movq (%rdi), %r8 movq 64(%r8), %r8 .Lmain_\name: 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 \not_found@PLT ret .type \name, %function .size \name, .-\name .endm .macro generate_lookup_super name lookup \name: movq (%rdi), %rax testq %rax, %rax jz ret_nil movq 8(%rdi), %r8 movq 64(%r8), %r8 jmp .Lmain_\lookup .type \name, %function .size \name, .-\name .endm generate_lookup objc_msg_lookup objc_method_not_found generate_lookup objc_msg_lookup_stret objc_method_not_found_stret generate_lookup_super objc_msg_lookup_super objc_msg_lookup generate_lookup_super objc_msg_lookup_super_stret objc_msg_lookup_stret ret_nil: leaq nil_method(%rip), %rax ret nil_method: xorq %rax, %rax ret #ifdef __linux__ .section .note.GNU-stack, "", %progbits #endif