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src/forwarding/forwarding-mips-elf.S
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/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 * 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 "platform.h" .globl of_forward .globl of_forward_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 of_forward: #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 of_forward, %function .size of_forward, .-of_forward of_forward_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 of_forward_stret, %function .size of_forward_stret, .-of_forward_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