/*
* Copyright (c) 2008-2022 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 OFForward
.globl OFForward_stret
#ifdef OF_PIC
.macro j_pic symbol
lw $t9, %call16(\symbol)($gp)
jr $t9
.endm
.macro jal_pic symbol
lw $t9, %call16(\symbol)($gp)
jalr $t9
.endm
#else
.macro j_pic symbol
j \symbol
.endm
.macro jal_pic symbol
jal \symbol
.endm
#endif
.section .text
OFForward:
#ifdef OF_PIC
lui $gp, %hi(_gp_disp)
addiu $gp, $gp, %lo(_gp_disp)
addu $gp, $gp, $t9
#endif
addiu $sp, $sp, -96
/*
* O32: The registers for floating point arguments don't need to be
* saved, as the ABI specifies that all remaining arguments are passed
* in integer registers if the first argument is passed in an integer
* register. This is always the case, as the first argument is always
* self.
*/
sw $ra, 16($sp)
sw $s0, 20($sp)
sw $s1, 24($sp)
sw $a0, 28($sp)
sw $a1, 32($sp)
sw $a2, 36($sp)
sw $a3, 40($sp)
#ifdef OF_MIPS_EABI
/* For some reason, $a4-$a8 are not always defined */
sw $8, 44($sp)
sw $9, 48($sp)
sw $10, 52($sp)
sw $11, 56($sp)
swc1 $f12, 60($sp)
swc1 $f13, 64($sp)
swc1 $f14, 68($sp)
swc1 $f15, 72($sp)
swc1 $f16, 76($sp)
swc1 $f17, 80($sp)
swc1 $f18, 84($sp)
swc1 $f19, 88($sp)
#endif
move $s0, $gp
#ifdef OF_PIC
lw $s1, %got(sel_forwardingTargetForSelector_)($gp)
#else
lui $s1, %hi(sel_forwardingTargetForSelector_)
#endif
addiu $s1, $s1, %lo(sel_forwardingTargetForSelector_)
jal_pic object_getClass
move $gp, $s0
move $a0, $v0
move $a1, $s1
jal_pic class_respondsToSelector
beqz $v0, 0f
move $gp, $s0
lw $a0, 28($sp)
move $a1, $s1
jal_pic objc_msg_lookup
move $gp, $s0
lw $a0, 28($sp)
move $a1, $s1
lw $a2, 32($sp)
move $t9, $v0
jalr $t9
beqz $v0, 0f
lw $t0, 28($sp)
beq $v0, $t0, 0f
sw $v0, 28($sp)
move $gp, $s0
move $a0, $v0
lw $a1, 32($sp)
jal_pic objc_msg_lookup
#ifdef OF_MIPS_EABI
lwc1 $f19, 88($sp)
lwc1 $f18, 84($sp)
lwc1 $f17, 80($sp)
lwc1 $f16, 76($sp)
lwc1 $f15, 72($sp)
lwc1 $f14, 68($sp)
lwc1 $f13, 64($sp)
lwc1 $f12, 60($sp)
lw $11, 56($sp)
lw $10, 52($sp)
lw $9, 48($sp)
lw $8, 44($sp)
#endif
lw $a3, 40($sp)
lw $a2, 36($sp)
lw $a1, 32($sp)
lw $a0, 28($sp)
lw $s1, 24($sp)
lw $s0, 20($sp)
lw $ra, 16($sp)
addiu $sp, $sp, 96
move $t9, $v0
jr $t9
0:
move $gp, $s0
lw $a1, 32($sp)
lw $a0, 28($sp)
lw $s1, 24($sp)
lw $s0, 20($sp)
lw $ra, 16($sp)
addiu $sp, $sp, 96
j_pic of_method_not_found
.type OFForward, %function
.size OFForward, .-OFForward
OFForward_stret:
#ifdef OF_PIC
lui $gp, %hi(_gp_disp)
addiu $gp, $gp, %lo(_gp_disp)
addu $gp, $gp, $t9
#endif
addiu $sp, $sp, -96
/*
* O32: The registers for floating point arguments don't need to be
* saved, as the ABI specifies that all remaining arguments are passed
* in integer registers if the first argument is passed in an integer
* register. This is always the case, as the first argument is always
* self.
*/
sw $ra, 16($sp)
sw $s0, 20($sp)
sw $s1, 24($sp)
sw $a0, 28($sp)
sw $a1, 32($sp)
sw $a2, 36($sp)
sw $a3, 40($sp)
#ifdef OF_MIPS_EABI
/* For some reason, $a4-$a8 are not always defined */
sw $8, 44($sp)
sw $9, 48($sp)
sw $10, 52($sp)
sw $11, 56($sp)
swc1 $f12, 60($sp)
swc1 $f13, 64($sp)
swc1 $f14, 68($sp)
swc1 $f15, 72($sp)
swc1 $f16, 76($sp)
swc1 $f17, 80($sp)
swc1 $f18, 84($sp)
swc1 $f19, 88($sp)
#endif
move $s0, $gp
#ifdef OF_PIC
lw $s1, %got(sel_forwardingTargetForSelector_)($gp)
#else
lui $s1, %hi(sel_forwardingTargetForSelector_)
#endif
addiu $s1, $s1, %lo(sel_forwardingTargetForSelector_)
move $a0, $a1
jal_pic object_getClass
move $gp, $s0
move $a0, $v0
move $a1, $s1
jal_pic class_respondsToSelector
beqz $v0, 0f
move $gp, $s0
lw $a0, 32($sp)
move $a1, $s1
jal_pic objc_msg_lookup
move $gp, $s0
lw $a0, 32($sp)
move $a1, $s1
lw $a2, 36($sp)
move $t9, $v0
jalr $t9
beqz $v0, 0f
lw $t0, 32($sp)
beq $v0, $t0, 0f
sw $v0, 32($sp)
move $gp, $s0
move $a0, $v0
lw $a1, 36($sp)
jal_pic objc_msg_lookup_stret
#ifdef OF_MIPS_EABI
lwc1 $f19, 88($sp)
lwc1 $f18, 84($sp)
lwc1 $f17, 80($sp)
lwc1 $f16, 76($sp)
lwc1 $f15, 72($sp)
lwc1 $f14, 68($sp)
lwc1 $f13, 64($sp)
lwc1 $f12, 60($sp)
lw $11, 56($sp)
lw $10, 52($sp)
lw $9, 48($sp)
lw $8, 44($sp)
#endif
lw $a3, 40($sp)
lw $a2, 36($sp)
lw $a1, 32($sp)
lw $a0, 28($sp)
lw $s1, 24($sp)
lw $s0, 20($sp)
lw $ra, 16($sp)
addiu $sp, $sp, 96
move $t9, $v0
jr $t9
0:
move $gp, $s0
lw $a2, 36($sp)
lw $a1, 32($sp)
lw $a0, 28($sp)
lw $s1, 24($sp)
lw $s0, 20($sp)
lw $ra, 16($sp)
addiu $sp, $sp, 96
j_pic of_method_not_found_stret
.type OFForward_stret, %function
.size OFForward_stret, .-OFForward_stret
init:
#ifdef OF_PIC
lui $gp, %hi(_gp_disp)
addiu $gp, $gp, %lo(_gp_disp)
addu $gp, $gp, $t9
lw $a0, %got(module)($gp)
addiu $a0, $a0, %lo(module)
lw $t9, %call16(__objc_exec_class)($gp)
jr $t9
#else
lui $a0, %hi(module)
addiu $a0, $a0, %lo(module)
j __objc_exec_class
#endif
.section .ctors, "aw", %progbits
.long init
.section .rodata
str_forwardingTargetForSelector_:
.asciz "forwardingTargetForSelector:"
.section .data
sel_forwardingTargetForSelector_:
.long str_forwardingTargetForSelector_, 0
.long 0, 0
symtab:
.long 0, sel_forwardingTargetForSelector_
.short 0, 0
.long 0
.long 0
module:
.long 8, 16, 0, symtab
#ifdef OF_LINUX
.section .note.GNU-stack, "", %progbits
#endif