/*
* 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"
.globl OFForward
.globl OFForward_stret
.section .text
OFForward:
OFForward_stret:
#ifdef HAVE_BTI
bti c
#endif
stp fp, lr, [sp, #-224]!
mov fp, sp
/* Save all arguments, x8 and x19 */
stp x0, x1, [sp, #16]
stp x2, x3, [sp, #32]
stp x4, x5, [sp, #48]
stp x6, x7, [sp, #64]
stp x8, x19, [sp, #80]
/* Save all foating point arguments */
stp q0, q1, [sp, #96]
stp q2, q3, [sp, #128]
stp q4, q5, [sp, #160]
stp q6, q7, [sp, #192]
bl object_getClass
adrp x19, .Lsel_forwardingTargetForSelector_
add x19, x19, :lo12:.Lsel_forwardingTargetForSelector_
mov x1, x19
bl class_respondsToSelector
cbz x0, 0f
ldr x0, [sp, #16]
mov x1, x19
bl objc_msg_lookup
mov x1, x19
mov x19, x0
ldp x0, x2, [sp, #16]
blr x19
cbz x0, 0f
ldr x1, [sp, #16]
cmp x0, x1
b.eq 0f
mov x19, x0
ldr x1, [sp, #24]
bl objc_msg_lookup
mov x16, x0
mov x0, x19
/* Restore all arguments, x8 and x19, but not x0 */
ldr x1, [sp, #24]
ldp x2, x3, [sp, #32]
ldp x4, x5, [sp, #48]
ldp x6, x7, [sp, #64]
ldp x8, x19, [sp, #80]
/* Restore all foating point arguments */
ldp q0, q1, [sp, #96]
ldp q2, q3, [sp, #128]
ldp q4, q5, [sp, #160]
ldp q6, q7, [sp, #192]
ldp fp, lr, [sp], #224
br x16
0:
ldp x0, x1, [sp, #16]
ldr x19, [sp, #88]
ldp fp, lr, [sp], #224
b OFMethodNotFound
.type OFForward, %function
.size OFForward, .-OFForward
.type OFForward_stret, %function
.size OFForward_stret, .-OFForward_stret
.Linit:
#ifdef HAVE_BTI
bti c
#endif
adrp x0, .Lmodule
add x0, x0, :lo12:.Lmodule
b __objc_exec_class
.section .init_array, "aw", %init_array
.xword .Linit
.section .rodata
.Lstr_forwardingTargetForSelector_:
.asciz "forwardingTargetForSelector:"
.section .data
.Lsel_forwardingTargetForSelector_:
.xword .Lstr_forwardingTargetForSelector_, 0
.xword 0, 0
.Lsymtab:
.xword 0, .Lsel_forwardingTargetForSelector_
.short 0, 0
.long 0
.xword 0
.Lmodule:
.xword 8, 32, 0, .Lsymtab
#if defined(OF_LINUX) || defined(OF_HAIKU) || defined(OF_HURD)
.section .note.GNU-stack, "", %progbits
#endif