Artifact 387ccf9ff75ebe36df74effb675fc25e997a7058b6102102ccafb70ba938392e:
- File
src/invocation/apple-call-x86_64.S
— part of check-in
[d6e5e6beb3]
at
2017-09-14 21:51:51
on branch trunk
— apple-call-x86_64.S: Add support for stret and jmp
Jumping is useful in case of forwarding, so that the return value does
not need to be put back into an OFInvocation and then from an
OFInvocation back into registers. (user: js, size: 1881) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 * Jonathan Schleifer <js@heap.zone> * * 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 _of_invocation_call .section __TEXT, __text, regular, pure_instructions _of_invocation_call: pushq %rbp movq %rsp, %rbp subq $16, %rsp andq $-16, %rsp movq %rdi, -8(%rbp) leaq 240(%rdi), %rdx movq 232(%rdi), %rcx testq $1, %rcx jnz Lfix_align Lfill_stack: testq %rcx, %rcx jz Lstack_filled decq %rcx movq (%rdx,%rcx,8), %r11 pushq %r11 jmp Lfill_stack Lstack_filled: movb 224(%rdi), %al movdqa 176(%rdi), %xmm7 movdqa 160(%rdi), %xmm6 movdqa 144(%rdi), %xmm5 movdqa 128(%rdi), %xmm4 movdqa 112(%rdi), %xmm3 movdqa 96(%rdi), %xmm2 movdqa 80(%rdi), %xmm1 movdqa 64(%rdi), %xmm0 movq 40(%rdi), %r9 movq 32(%rdi), %r8 movq 24(%rdi), %rcx movq 16(%rdi), %rdx movq 8(%rdi), %rsi movq 0(%rdi), %rdi movb 225(%rdi), %r11b cmpb $1, %r11b je Lcall_send_stret cmpb $3, %r11b je _objc_msgSend cmpb $4, %r11b je _objc_msgSend_stret call _objc_msgSend Lafter_send: movq -8(%rbp), %rdi movq %rax, 48(%rdi) movq %rdx, 56(%rdi) movdqa %xmm0, 64(%rdi) movdqa %xmm1, 80(%rdi) cmpb $2, 225(%rdi) je Lpop_long_double Lreturn: movq %rbp, %rsp popq %rbp ret Lfix_align: xorq %r11, %r11 pushq %r11 jmp Lfill_stack Lcall_send_stret: call _objc_msgSend_stret jmp Lafter_send Lpop_long_double: fstpt 192(%rdi) jmp Lreturn