Artifact b0cd93723ca422cde5512a68d2b7ef63c3e11c7df07efc41b64b5f73b66ef096:
- File
src/forwarding/forwarding-amd64-macho.S
— part of check-in
[0b441e52d6]
at
2024-02-26 20:32:38
on branch trunk
— 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: 4463) [annotate] [blame] [check-ins using]
/* * 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" #include "platform.h" #ifdef HAVE_CET_H # include <cet.h> #else # define _CET_ENDBR #endif .globl _OFForward .globl _OFForward_stret .section __TEXT, __text, regular, pure_instructions _OFForward: _CET_ENDBR pushq %rbp movq %rsp, %rbp /* Save all arguments */ subq $0xC0, %rsp /* 16-byte alignment */ movq %rax, -0x8(%rbp) movq %rdi, -0x10(%rbp) movq %rsi, -0x18(%rbp) movq %rdx, -0x20(%rbp) movq %rcx, -0x28(%rbp) movq %r8, -0x30(%rbp) movq %r9, -0x38(%rbp) movaps %xmm0, -0x50(%rbp) movaps %xmm1, -0x60(%rbp) movaps %xmm2, -0x70(%rbp) movaps %xmm3, -0x80(%rbp) movaps %xmm4, -0x90(%rbp) movaps %xmm5, -0xA0(%rbp) movaps %xmm6, -0xB0(%rbp) movaps %xmm7, -0xC0(%rbp) call _object_getClass movq %rax, %rdi leaq Lsel_forwardingTargetForSelector_(%rip), %rsi call _class_respondsToSelector testq %rax, %rax jz 0f movq -0x10(%rbp), %rdi leaq Lsel_forwardingTargetForSelector_(%rip), %rsi call _objc_msg_lookup movq -0x10(%rbp), %rdi leaq Lsel_forwardingTargetForSelector_(%rip), %rsi movq -0x18(%rbp), %rdx call *%rax testq %rax, %rax jz 0f cmpq -0x10(%rbp), %rax je 0f movq %rax, -0x10(%rbp) movq %rax, %rdi movq -0x18(%rbp), %rsi call _objc_msg_lookup movq %rax, %r11 /* Restore all arguments */ movaps -0xC0(%rbp), %xmm7 movaps -0xB0(%rbp), %xmm6 movaps -0xA0(%rbp), %xmm5 movaps -0x90(%rbp), %xmm4 movaps -0x80(%rbp), %xmm3 movaps -0x70(%rbp), %xmm2 movaps -0x60(%rbp), %xmm1 movaps -0x50(%rbp), %xmm0 movq -0x38(%rbp), %r9 movq -0x30(%rbp), %r8 movq -0x28(%rbp), %rcx movq -0x20(%rbp), %rdx movq -0x18(%rbp), %rsi movq -0x10(%rbp), %rdi movq -0x8(%rbp), %rax movq %rbp, %rsp popq %rbp jmpq *%r11 0: movq -0x10(%rbp), %rdi movq -0x18(%rbp), %rsi movq %rbp, %rsp popq %rbp jmp _OFMethodNotFound _OFForward_stret: _CET_ENDBR pushq %rbp movq %rsp, %rbp /* Save all arguments */ subq $0xC0, %rsp /* 16-byte alignment */ movq %rax, -0x8(%rbp) movq %rdi, -0x10(%rbp) movq %rsi, -0x18(%rbp) movq %rdx, -0x20(%rbp) movq %rcx, -0x28(%rbp) movq %r8, -0x30(%rbp) movq %r9, -0x38(%rbp) movaps %xmm0, -0x50(%rbp) movaps %xmm1, -0x60(%rbp) movaps %xmm2, -0x70(%rbp) movaps %xmm3, -0x80(%rbp) movaps %xmm4, -0x90(%rbp) movaps %xmm5, -0xA0(%rbp) movaps %xmm6, -0xB0(%rbp) movaps %xmm7, -0xC0(%rbp) movq %rsi, %rdi call _object_getClass movq %rax, %rdi leaq Lsel_forwardingTargetForSelector_(%rip), %rsi call _class_respondsToSelector testq %rax, %rax jz 0f movq -0x18(%rbp), %rdi leaq Lsel_forwardingTargetForSelector_(%rip), %rsi call _objc_msg_lookup movq -0x18(%rbp), %rdi leaq Lsel_forwardingTargetForSelector_(%rip), %rsi movq -0x20(%rbp), %rdx call *%rax testq %rax, %rax jz 0f cmpq -0x18(%rbp), %rax je 0f movq %rax, -0x18(%rbp) movq %rax, %rdi movq -0x20(%rbp), %rsi call _objc_msg_lookup_stret movq %rax, %r11 /* Restore all arguments */ movaps -0xC0(%rbp), %xmm7 movaps -0xB0(%rbp), %xmm6 movaps -0xA0(%rbp), %xmm5 movaps -0x90(%rbp), %xmm4 movaps -0x80(%rbp), %xmm3 movaps -0x70(%rbp), %xmm2 movaps -0x60(%rbp), %xmm1 movaps -0x50(%rbp), %xmm0 movq -0x38(%rbp), %r9 movq -0x30(%rbp), %r8 movq -0x28(%rbp), %rcx movq -0x20(%rbp), %rdx movq -0x18(%rbp), %rsi movq -0x10(%rbp), %rdi movq -0x8(%rbp), %rax movq %rbp, %rsp popq %rbp jmpq *%r11 0: movq -0x10(%rbp), %rdi movq -0x18(%rbp), %rsi movq -0x20(%rbp), %rdx movq %rbp, %rsp popq %rbp jmp _OFMethodNotFound_stret Linit: _CET_ENDBR leaq Lmodule(%rip), %rdi jmp ___objc_exec_class .section __DATA, __mod_init_func, mod_init_funcs .quad Linit .section __TEXT, __cstring, cstring_literals Lstr_forwardingTargetForSelector_: .asciz "forwardingTargetForSelector:" .section __DATA, __data Lsel_forwardingTargetForSelector_: .quad Lstr_forwardingTargetForSelector_, 0 .quad 0, 0 Lsymtab: .quad 0, Lsel_forwardingTargetForSelector_ .short 0, 0 .long 0 .quad 0 Lmodule: .quad 8, 32, 0, Lsymtab