Artifact 4e5611c0070a22aa519fc1451fc489828a03d02fc4a940f76299b86abd6d6ed2:
- File
src/forwarding/forwarding-x86-win32.S
— part of check-in
[de552578e7]
at
2024-02-26 20:32:55
on branch 1.0
— Use <cet.h> and _CET_ENDBR macro
This only uses endbr32/endbr64 when actually needed and emits the
necessary .note.gnu.property. (user: js, size: 3015) [annotate] [blame] [check-ins using] [more...]
/* * Copyright (c) 2008-2024 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 _OFForward .globl _OFForward_stret #ifdef HAVE_CET_H # include <cet.h> #else # define _CET_ENDBR #endif .section .text _OFForward: _CET_ENDBR pushl %ebp movl %esp, %ebp pushl %ebx subl $20, %esp movl 8(%ebp), %eax movl %eax, (%esp) call _object_getClass movl %eax, (%esp) movl $sel_forwardingTargetForSelector_, %eax movl %eax, 4(%esp) call _class_respondsToSelector testl %eax, %eax jz 0f movl 8(%ebp), %eax movl %eax, (%esp) movl $sel_forwardingTargetForSelector_, %eax movl %eax, 4(%esp) call _objc_msg_lookup movl 8(%ebp), %edx movl %edx, (%esp) movl $sel_forwardingTargetForSelector_, %edx movl %edx, 4(%esp) movl 12(%ebp), %edx movl %edx, 8(%esp) call *%eax testl %eax, %eax jz 0f cmpl 8(%ebp), %eax je 0f movl %eax, 8(%ebp) movl %eax, (%esp) movl 12(%ebp), %eax movl %eax, 4(%esp) call _objc_msg_lookup addl $20, %esp popl %ebx popl %ebp jmp *%eax 0: addl $20, %esp popl %ebx popl %ebp jmp _OFMethodNotFound .def _OFForward .scl 2 .type 32 .endef _OFForward_stret: _CET_ENDBR pushl %ebp movl %esp, %ebp pushl %ebx subl $20, %esp movl 12(%ebp), %eax movl %eax, (%esp) call _object_getClass movl %eax, (%esp) movl $sel_forwardingTargetForSelector_, %eax movl %eax, 4(%esp) call _class_respondsToSelector testl %eax, %eax jz 0f movl 12(%ebp), %eax movl %eax, (%esp) movl $sel_forwardingTargetForSelector_, %eax movl %eax, 4(%esp) call _objc_msg_lookup movl 12(%ebp), %edx movl %edx, (%esp) movl $sel_forwardingTargetForSelector_, %edx movl %edx, 4(%esp) movl 16(%ebp), %edx movl %edx, 8(%esp) call *%eax testl %eax, %eax jz 0f cmpl 12(%ebp), %eax je 0f movl %eax, 12(%ebp) movl %eax, (%esp) movl 16(%ebp), %eax movl %eax, 4(%esp) call _objc_msg_lookup_stret addl $20, %esp popl %ebx popl %ebp jmp *%eax 0: addl $20, %esp popl %ebx popl %ebp jmp _OFMethodNotFound_stret .def _OFForward_stret .scl 2 .type 32 .endef init: _CET_ENDBR pushl %ebp movl %esp, %ebp pushl %ebx subl $4, %esp movl $module, %eax movl %eax, (%esp) call ___objc_exec_class addl $4, %esp popl %ebx popl %ebp ret .section .ctors, "aw" .long init .section .rodata str_forwardingTargetForSelector_: .asciz "forwardingTargetForSelector:" .section .data sel_forwardingTargetForSelector_: .long str_forwardingTargetForSelector_, 0 .long 0, 0 symtab: .long 0, sel_forwardingTargetForSelector_ .short 0, 0 .long 0 .long 0 module: .long 8, 16, 0, symtab