Artifact 795a7400c8c65c0142dbc1e36c97bf23742fe7f789c703a2a9a7837f35ee75aa:
- File
src/runtime/lookup-asm/lookup-asm-x86-elf.S
— part of check-in
[44f45c2e35]
at
2017-01-09 17:36:36
on branch trunk
— Update copyright
Forgot to add 2017, even though I already did quite some changes in
2017. (user: js, size: 1972) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 * Jonathan Schleifer <js@heap.zone> * * 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" #include "platform.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: movl 4(%esp), %edx testl %edx, %edx jz ret_nil movl (%edx), %edx movl 32(%edx), %edx .Lmain_\name: movl 8(%esp), %eax #ifdef OF_SELUID24 movzbl 2(%eax), %ecx movl (%edx,%ecx,4), %edx #endif movzbl 1(%eax), %ecx movl (%edx,%ecx,4), %edx movzbl (%eax), %ecx movl (%edx,%ecx,4), %eax testl %eax, %eax jz 0f ret 0: call get_eip 1: addl $_GLOBAL_OFFSET_TABLE_, %eax movl \not_found@GOT(%eax), %eax jmp *%eax .type \name, %function .size \name, .-\name .endm .macro generate_lookup_super name lookup \name: movl 4(%esp), %edx movl (%edx), %eax cmpl $0, %eax je ret_nil movl %eax, 4(%esp) movl 4(%edx), %edx movl 32(%edx), %edx 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: call get_eip 0: addl $nil_method-0b, %eax ret nil_method: xorl %eax, %eax ret get_eip: movl (%esp), %eax ret #ifdef OF_LINUX .section .note.GNU-stack, "", %progbits #endif