/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#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
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@PLT
movq %rax, %rdi
leaq .Lsel_forwardingTargetForSelector_(%rip), %rsi
call class_respondsToSelector@PLT
testq %rax, %rax
jz 0f
movq -0x10(%rbp), %rdi
leaq .Lsel_forwardingTargetForSelector_(%rip), %rsi
call objc_msg_lookup@PLT
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@PLT
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@PLT
.type OFForward, %function
.size OFForward, .-OFForward
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@PLT
movq %rax, %rdi
leaq .Lsel_forwardingTargetForSelector_(%rip), %rsi
call class_respondsToSelector@PLT
testq %rax, %rax
jz 0f
movq -0x18(%rbp), %rdi
leaq .Lsel_forwardingTargetForSelector_(%rip), %rsi
call objc_msg_lookup@PLT
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@PLT
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@PLT
.type OFForward_stret, %function
.size OFForward_stret, .-OFForward_stret
.Linit:
_CET_ENDBR
leaq .Lmodule(%rip), %rdi
jmp __objc_exec_class@PLT
#ifdef OF_SOLARIS
.section .init_array, "aw"
#else
.section .ctors, "aw", %progbits
#endif
.quad .Linit
.section .rodata
.Lstr_forwardingTargetForSelector_:
.asciz "forwardingTargetForSelector:"
.section .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
#if defined(OF_LINUX) || defined(OF_HAIKU) || defined(OF_HURD)
.section .note.GNU-stack, "", %progbits
#endif