/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019, 2020
* 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"
.globl of_forward
.globl of_forward_stret
.section .text
of_forward:
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 sel_forwardingTargetForSelector_(%rip), %rsi
call class_respondsToSelector@PLT
testq %rax, %rax
jz 0f
movq -0x10(%rbp), %rdi
leaq sel_forwardingTargetForSelector_(%rip), %rsi
call objc_msg_lookup@PLT
movq -0x10(%rbp), %rdi
leaq sel_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 of_method_not_found@PLT
.type of_forward, %function
.size of_forward, .-of_forward
of_forward_stret:
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 sel_forwardingTargetForSelector_(%rip), %rsi
call class_respondsToSelector@PLT
testq %rax, %rax
jz 0f
movq -0x18(%rbp), %rdi
leaq sel_forwardingTargetForSelector_(%rip), %rsi
call objc_msg_lookup@PLT
movq -0x18(%rbp), %rdi
leaq sel_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 of_method_not_found_stret@PLT
.type of_forward_stret, %function
.size of_forward_stret, .-of_forward_stret
init:
leaq module(%rip), %rdi
jmp __objc_exec_class@PLT
#ifdef OF_SOLARIS
.section .init_array, "aw"
#else
.section .ctors, "aw", %progbits
#endif
.quad init
.section .rodata
str_forwardingTargetForSelector_:
.asciz "forwardingTargetForSelector:"
.section .data
sel_forwardingTargetForSelector_:
.quad str_forwardingTargetForSelector_, 0
.quad 0, 0
symtab:
.quad 0, sel_forwardingTargetForSelector_
.short 0, 0
.long 0
.quad 0
module:
.quad 8, 32, 0, symtab
#ifdef OF_LINUX
.section .note.GNU-stack, "", %progbits
#endif