Artifact 7c103747510d6c7ed37cedc992573cd31d05b4cc3c05162a7a2d60dbf87407ed:
- File
src/forwarding/apple-forwarding-arm64.S
— part of check-in
[ddb7ebcf5b]
at
2024-02-24 22:30:06
on branch trunk
— Use `bti c` instead of `bti jc`
The `j` isn't necessary, as tail call eliminations can just use x16/x17,
which allow any type. (user: js, size: 2152) [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" .globl _OFForward .globl _OFForward_stret .section __TEXT, __objc_methname, cstring_literals Lstr_forwardingTargetForSelector_: .asciz "forwardingTargetForSelector:" .section __DATA, __objc_selrefs, literal_pointers, no_dead_strip Lsel_forwardingTargetForSelector_: .quad Lstr_forwardingTargetForSelector_ .section __DATA, __objc_imageinfo, regular, no_dead_strip .long 0, 0 .section __TEXT, __text, regular, pure_instructions .align 2 _OFForward: _OFForward_stret: #ifdef HAVE_BTI bti c #endif stp fp, lr, [sp, #-208]! mov fp, sp sub sp, sp, #208 /* Save all arguments, x8 and x19 */ stp x0, x1, [sp] stp x2, x3, [sp, #16] stp x4, x5, [sp, #32] stp x6, x7, [sp, #48] stp x8, x19, [sp, #64] /* Save all foating point arguments */ stp q0, q1, [sp, #80] stp q2, q3, [sp, #112] stp q4, q5, [sp, #144] stp q6, q7, [sp, #176] bl _object_getClass adrp x19, Lsel_forwardingTargetForSelector_@PAGE add x19, x19, Lsel_forwardingTargetForSelector_@PAGEOFF ldr x19, [x19] mov x1, x19 bl _class_respondsToSelector cbz x0, 0f ldp x0, x2, [sp] mov x1, x19 bl _objc_msgSend cbz x0, 0f ldr x1, [sp] cmp x0, x1 b.eq 0f /* Restore all arguments, x8 and x19, but not x0 */ ldr x1, [sp, #8] ldp x2, x3, [sp, #16] ldp x4, x5, [sp, #32] ldp x6, x7, [sp, #48] ldp x8, x19, [sp, #64] /* Restore all foating point arguments */ ldp q0, q1, [sp, #80] ldp q2, q3, [sp, #112] ldp q4, q5, [sp, #144] ldp q6, q7, [sp, #176] mov sp, fp ldp fp, lr, [sp], #208 b _objc_msgSend 0: ldp x0, x1, [sp] ldr x19, [sp, #72] mov sp, fp ldp fp, lr, [sp], #208 b _OFMethodNotFound