/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019
* 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"
#include "invoke-x86_64.h"
.globl of_invocation_call
.section .text
of_invocation_call:
pushq %rbp
movq %rsp, %rbp
subq $16, %rsp
andq $-16, %rsp
movq %rdi, -8(%rbp)
movb OFFSET_RETURN_TYPE(%rdi), %r11b
cmpb $RETURN_TYPE_STRET, %r11b
je .lookup_stret
cmpb $RETURN_TYPE_JMP_STRET, %r11b
je .lookup_stret
movq OFFSET_GPR_IN+8(%rdi), %rsi
movq OFFSET_GPR_IN+0(%rdi), %rdi
call objc_msg_lookup@PLT
.after_lookup:
movq %rax, -16(%rbp)
movq -8(%rbp), %rdi
leaq OFFSET_STACK(%rdi), %rdx
movq OFFSET_STACK_SIZE(%rdi), %rcx
testq $1, %rcx
jnz .fix_align
.fill_stack:
testq %rcx, %rcx
jz .stack_filled
decq %rcx
movq (%rdx,%rcx,8), %r11
pushq %r11
jmp .fill_stack
.stack_filled:
movb OFFSET_NUM_SSE_USED(%rdi), %al
movaps OFFSET_SSE_INOUT+112(%rdi), %xmm7
movaps OFFSET_SSE_INOUT+96(%rdi), %xmm6
movaps OFFSET_SSE_INOUT+80(%rdi), %xmm5
movaps OFFSET_SSE_INOUT+64(%rdi), %xmm4
movaps OFFSET_SSE_INOUT+48(%rdi), %xmm3
movaps OFFSET_SSE_INOUT+32(%rdi), %xmm2
movaps OFFSET_SSE_INOUT+16(%rdi), %xmm1
movaps OFFSET_SSE_INOUT(%rdi), %xmm0
movq OFFSET_GPR_IN+40(%rdi), %r9
movq OFFSET_GPR_IN+32(%rdi), %r8
movq OFFSET_GPR_IN+24(%rdi), %rcx
movq OFFSET_GPR_IN+16(%rdi), %rdx
movq OFFSET_GPR_IN+8(%rdi), %rsi
movb OFFSET_RETURN_TYPE(%rdi), %r11b
movq OFFSET_GPR_IN(%rdi), %rdi
cmpb $RETURN_TYPE_JMP, %r11b
je .jmp_into_method
cmpb $RETURN_TYPE_JMP_STRET, %r11b
je .jmp_into_method
movq -16(%rbp), %r11
call *%r11
.after_send:
movq -8(%rbp), %rdi
movq %rax, OFFSET_GPR_OUT(%rdi)
movq %rdx, OFFSET_GPR_OUT+8(%rdi)
movaps %xmm0, OFFSET_SSE_INOUT(%rdi)
movaps %xmm1, OFFSET_SSE_INOUT+16(%rdi)
movb OFFSET_RETURN_TYPE(%rdi), %r11b
cmpb $RETURN_TYPE_X87, %r11b
je .pop_long_double
cmpb $RETURN_TYPE_COMPLEX_X87, %r11b
je .pop_complex_long_double
.return:
movq %rbp, %rsp
popq %rbp
ret
.fix_align:
xorq %r11, %r11
pushq %r11
jmp .fill_stack
.lookup_stret:
movq OFFSET_GPR_IN+16(%rdi), %rsi
movq OFFSET_GPR_IN+8(%rdi), %rdi
call objc_msg_lookup_stret@PLT
jmp .after_lookup
.jmp_into_method:
movq -16(%rbp), %r11
jmp *%r11
.pop_long_double:
fstpt OFFSET_X87_OUT(%rdi)
jmp .return
.pop_complex_long_double:
fstpt OFFSET_X87_OUT(%rdi)
fstpt OFFSET_X87_OUT+16(%rdi)
jmp .return
#ifdef OF_LINUX
.section .note.GNU-stack, "", %progbits
#endif