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LeafOS / LeafOS-Project / android_art / a0619e25aacf8b8074132f4951f75fdbcfd42925 / . / runtime / arch / mips / quick_entrypoints_mips.S
blob: 76218fb542d3444de5e7c5038951f1a354a0ddd7 [file] [log] [blame]
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "asm_support_mips.S"
#include "arch/quick_alloc_entrypoints.S"
.set noreorder
.balign 4
/* Deliver the given exception */
.extern artDeliverExceptionFromCode
/* Deliver an exception pending on a thread */
.extern artDeliverPendingExceptionFromCode
#define ARG_SLOT_SIZE 32 // space for a0-a3 plus 4 more words
/*
* Macro that sets up the callee save frame to conform with
* Runtime::CreateCalleeSaveMethod(kSaveAllCalleeSaves)
* Callee-save: $s0-$s8 + $gp + $ra, 11 total + 1 word for Method*
* Clobbers $t0 and $sp
* Allocates ARG_SLOT_SIZE bytes at the bottom of the stack for arg slots.
* Reserves FRAME_SIZE_SAVE_ALL_CALLEE_SAVES + ARG_SLOT_SIZE bytes on the stack
*/
.macro SETUP_SAVE_ALL_CALLEE_SAVES_FRAME
addiu $sp, $sp, -96
.cfi_adjust_cfa_offset 96
// Ugly compile-time check, but we only have the preprocessor.
#if (FRAME_SIZE_SAVE_ALL_CALLEE_SAVES != 96)
#error "FRAME_SIZE_SAVE_ALL_CALLEE_SAVES(MIPS) size not as expected."
#endif
sw $ra, 92($sp)
.cfi_rel_offset 31, 92
sw $s8, 88($sp)
.cfi_rel_offset 30, 88
sw $gp, 84($sp)
.cfi_rel_offset 28, 84
sw $s7, 80($sp)
.cfi_rel_offset 23, 80
sw $s6, 76($sp)
.cfi_rel_offset 22, 76
sw $s5, 72($sp)
.cfi_rel_offset 21, 72
sw $s4, 68($sp)
.cfi_rel_offset 20, 68
sw $s3, 64($sp)
.cfi_rel_offset 19, 64
sw $s2, 60($sp)
.cfi_rel_offset 18, 60
sw $s1, 56($sp)
.cfi_rel_offset 17, 56
sw $s0, 52($sp)
.cfi_rel_offset 16, 52
SDu $f30, $f31, 44, $sp, $t1
SDu $f28, $f29, 36, $sp, $t1
SDu $f26, $f27, 28, $sp, $t1
SDu $f24, $f25, 20, $sp, $t1
SDu $f22, $f23, 12, $sp, $t1
SDu $f20, $f21, 4, $sp, $t1
# 1 word for holding Method*
lw $t0, %got(_ZN3art7Runtime9instance_E)($gp)
lw $t0, 0($t0)
lw $t0, RUNTIME_SAVE_ALL_CALLEE_SAVES_METHOD_OFFSET($t0)
sw $t0, 0($sp) # Place Method* at bottom of stack.
sw $sp, THREAD_TOP_QUICK_FRAME_OFFSET(rSELF) # Place sp in Thread::Current()->top_quick_frame.
addiu $sp, $sp, -ARG_SLOT_SIZE # reserve argument slots on the stack
.cfi_adjust_cfa_offset ARG_SLOT_SIZE
.endm
/*
* Macro that sets up the callee save frame to conform with
* Runtime::CreateCalleeSaveMethod(kSaveRefsOnly). Restoration assumes non-moving GC.
* Does not include rSUSPEND or rSELF
* callee-save: $s2-$s8 + $gp + $ra, 9 total + 2 words padding + 1 word to hold Method*
* Clobbers $t0 and $sp
* Allocates ARG_SLOT_SIZE bytes at the bottom of the stack for arg slots.
* Reserves FRAME_SIZE_SAVE_REFS_ONLY + ARG_SLOT_SIZE bytes on the stack
*/
.macro SETUP_SAVE_REFS_ONLY_FRAME
addiu $sp, $sp, -48
.cfi_adjust_cfa_offset 48
// Ugly compile-time check, but we only have the preprocessor.
#if (FRAME_SIZE_SAVE_REFS_ONLY != 48)
#error "FRAME_SIZE_SAVE_REFS_ONLY(MIPS) size not as expected."
#endif
sw $ra, 44($sp)
.cfi_rel_offset 31, 44
sw $s8, 40($sp)
.cfi_rel_offset 30, 40
sw $gp, 36($sp)
.cfi_rel_offset 28, 36
sw $s7, 32($sp)
.cfi_rel_offset 23, 32
sw $s6, 28($sp)
.cfi_rel_offset 22, 28
sw $s5, 24($sp)
.cfi_rel_offset 21, 24
sw $s4, 20($sp)
.cfi_rel_offset 20, 20
sw $s3, 16($sp)
.cfi_rel_offset 19, 16
sw $s2, 12($sp)
.cfi_rel_offset 18, 12
# 2 words for alignment and bottom word will hold Method*
lw $t0, %got(_ZN3art7Runtime9instance_E)($gp)
lw $t0, 0($t0)
lw $t0, RUNTIME_SAVE_REFS_ONLY_METHOD_OFFSET($t0)
sw $t0, 0($sp) # Place Method* at bottom of stack.
sw $sp, THREAD_TOP_QUICK_FRAME_OFFSET(rSELF) # Place sp in Thread::Current()->top_quick_frame.
addiu $sp, $sp, -ARG_SLOT_SIZE # reserve argument slots on the stack
.cfi_adjust_cfa_offset ARG_SLOT_SIZE
.endm
.macro RESTORE_SAVE_REFS_ONLY_FRAME
addiu $sp, $sp, ARG_SLOT_SIZE # remove argument slots on the stack
.cfi_adjust_cfa_offset -ARG_SLOT_SIZE
lw $ra, 44($sp)
.cfi_restore 31
lw $s8, 40($sp)
.cfi_restore 30
lw $gp, 36($sp)
.cfi_restore 28
lw $s7, 32($sp)
.cfi_restore 23
lw $s6, 28($sp)
.cfi_restore 22
lw $s5, 24($sp)
.cfi_restore 21
lw $s4, 20($sp)
.cfi_restore 20
lw $s3, 16($sp)
.cfi_restore 19
lw $s2, 12($sp)
.cfi_restore 18
addiu $sp, $sp, 48
.cfi_adjust_cfa_offset -48
.endm
.macro RESTORE_SAVE_REFS_ONLY_FRAME_AND_RETURN
RESTORE_SAVE_REFS_ONLY_FRAME
jalr $zero, $ra
nop
.endm
/*
* Macro that sets up the callee save frame to conform with
* Runtime::CreateCalleeSaveMethod(kSaveRefsAndArgs).
* callee-save: $a1-$a3, $t0-$t1, $s2-$s8, $gp, $ra, $f8-$f19
* (26 total + 1 word padding + method*)
*/
.macro SETUP_SAVE_REFS_AND_ARGS_FRAME_REGISTERS_ONLY
addiu $sp, $sp, -112
.cfi_adjust_cfa_offset 112
// Ugly compile-time check, but we only have the preprocessor.
#if (FRAME_SIZE_SAVE_REFS_AND_ARGS != 112)
#error "FRAME_SIZE_SAVE_REFS_AND_ARGS(MIPS) size not as expected."
#endif
sw $ra, 108($sp)
.cfi_rel_offset 31, 108
sw $s8, 104($sp)
.cfi_rel_offset 30, 104
sw $gp, 100($sp)
.cfi_rel_offset 28, 100
sw $s7, 96($sp)
.cfi_rel_offset 23, 96
sw $s6, 92($sp)
.cfi_rel_offset 22, 92
sw $s5, 88($sp)
.cfi_rel_offset 21, 88
sw $s4, 84($sp)
.cfi_rel_offset 20, 84
sw $s3, 80($sp)
.cfi_rel_offset 19, 80
sw $s2, 76($sp)
.cfi_rel_offset 18, 76
sw $t1, 72($sp)
.cfi_rel_offset 9, 72
sw $t0, 68($sp)
.cfi_rel_offset 8, 68
sw $a3, 64($sp)
.cfi_rel_offset 7, 64
sw $a2, 60($sp)
.cfi_rel_offset 6, 60
sw $a1, 56($sp)
.cfi_rel_offset 5, 56
SDu $f18, $f19, 48, $sp, $t8
SDu $f16, $f17, 40, $sp, $t8
SDu $f14, $f15, 32, $sp, $t8
SDu $f12, $f13, 24, $sp, $t8
SDu $f10, $f11, 16, $sp, $t8
SDu $f8, $f9, 8, $sp, $t8
# bottom will hold Method*
.endm
/*
* Macro that sets up the callee save frame to conform with
* Runtime::CreateCalleeSaveMethod(kSaveRefsAndArgs). Restoration assumes non-moving GC.
* callee-save: $a1-$a3, $t0-$t1, $s2-$s8, $gp, $ra, $f8-$f19
* (26 total + 1 word padding + method*)
* Clobbers $t0 and $sp
* Allocates ARG_SLOT_SIZE bytes at the bottom of the stack for arg slots.
* Reserves FRAME_SIZE_SAVE_REFS_AND_ARGS + ARG_SLOT_SIZE bytes on the stack
*/
.macro SETUP_SAVE_REFS_AND_ARGS_FRAME
SETUP_SAVE_REFS_AND_ARGS_FRAME_REGISTERS_ONLY
lw $t0, %got(_ZN3art7Runtime9instance_E)($gp)
lw $t0, 0($t0)
lw $t0, RUNTIME_SAVE_REFS_AND_ARGS_METHOD_OFFSET($t0)
sw $t0, 0($sp) # Place Method* at bottom of stack.
sw $sp, THREAD_TOP_QUICK_FRAME_OFFSET(rSELF) # Place sp in Thread::Current()->top_quick_frame.
addiu $sp, $sp, -ARG_SLOT_SIZE # reserve argument slots on the stack
.cfi_adjust_cfa_offset ARG_SLOT_SIZE
.endm
/*
* Macro that sets up the callee save frame to conform with
* Runtime::CreateCalleeSaveMethod(kSaveRefsAndArgs). Restoration assumes non-moving GC.
* callee-save: $a1-$a3, $t0-$t1, $s2-$s8, $gp, $ra, $f8-$f19
* (26 total + 1 word padding + method*)
* Clobbers $sp
* Use $a0 as the Method* and loads it into bottom of stack.
* Allocates ARG_SLOT_SIZE bytes at the bottom of the stack for arg slots.
* Reserves FRAME_SIZE_SAVE_REFS_AND_ARGS + ARG_SLOT_SIZE bytes on the stack
*/
.macro SETUP_SAVE_REFS_AND_ARGS_FRAME_WITH_METHOD_IN_A0
SETUP_SAVE_REFS_AND_ARGS_FRAME_REGISTERS_ONLY
sw $a0, 0($sp) # Place Method* at bottom of stack.
sw $sp, THREAD_TOP_QUICK_FRAME_OFFSET(rSELF) # Place sp in Thread::Current()->top_quick_frame.
addiu $sp, $sp, -ARG_SLOT_SIZE # reserve argument slots on the stack
.cfi_adjust_cfa_offset ARG_SLOT_SIZE
.endm
.macro RESTORE_SAVE_REFS_AND_ARGS_FRAME
addiu $sp, $sp, ARG_SLOT_SIZE # remove argument slots on the stack
.cfi_adjust_cfa_offset -ARG_SLOT_SIZE
lw $ra, 108($sp)
.cfi_restore 31
lw $s8, 104($sp)
.cfi_restore 30
lw $gp, 100($sp)
.cfi_restore 28
lw $s7, 96($sp)
.cfi_restore 23
lw $s6, 92($sp)
.cfi_restore 22
lw $s5, 88($sp)
.cfi_restore 21
lw $s4, 84($sp)
.cfi_restore 20
lw $s3, 80($sp)
.cfi_restore 19
lw $s2, 76($sp)
.cfi_restore 18
lw $t1, 72($sp)
.cfi_restore 9
lw $t0, 68($sp)
.cfi_restore 8
lw $a3, 64($sp)
.cfi_restore 7
lw $a2, 60($sp)
.cfi_restore 6
lw $a1, 56($sp)
.cfi_restore 5
LDu $f18, $f19, 48, $sp, $t8
LDu $f16, $f17, 40, $sp, $t8
LDu $f14, $f15, 32, $sp, $t8
LDu $f12, $f13, 24, $sp, $t8
LDu $f10, $f11, 16, $sp, $t8
LDu $f8, $f9, 8, $sp, $t8
addiu $sp, $sp, 112 # pop frame
.cfi_adjust_cfa_offset -112
.endm
/*
* Macro that sets up the callee save frame to conform with
* Runtime::CreateCalleeSaveMethod(kSaveEverything).
* when the $sp has already been decremented by FRAME_SIZE_SAVE_EVERYTHING.
* Callee-save: $at, $v0-$v1, $a0-$a3, $t0-$t7, $s0-$s7, $t8-$t9, $gp, $fp $ra, $f0-$f31;
* 28(GPR)+ 32(FPR) + 3 words for padding and 1 word for Method*
* Clobbers $t0 and $t1.
* Allocates ARG_SLOT_SIZE bytes at the bottom of the stack for arg slots.
* Reserves FRAME_SIZE_SAVE_EVERYTHING + ARG_SLOT_SIZE bytes on the stack.
* This macro sets up $gp; entrypoints using it should start with ENTRY_NO_GP.
*/
.macro SETUP_SAVE_EVERYTHING_FRAME_DECREMENTED_SP
// Ugly compile-time check, but we only have the preprocessor.
#if (FRAME_SIZE_SAVE_EVERYTHING != 256)
#error "FRAME_SIZE_SAVE_EVERYTHING(MIPS) size not as expected."
#endif
sw $ra, 252($sp)
.cfi_rel_offset 31, 252
sw $fp, 248($sp)
.cfi_rel_offset 30, 248
sw $gp, 244($sp)
.cfi_rel_offset 28, 244
sw $t9, 240($sp)
.cfi_rel_offset 25, 240
sw $t8, 236($sp)
.cfi_rel_offset 24, 236
sw $s7, 232($sp)
.cfi_rel_offset 23, 232
sw $s6, 228($sp)
.cfi_rel_offset 22, 228
sw $s5, 224($sp)
.cfi_rel_offset 21, 224
sw $s4, 220($sp)
.cfi_rel_offset 20, 220
sw $s3, 216($sp)
.cfi_rel_offset 19, 216
sw $s2, 212($sp)
.cfi_rel_offset 18, 212
sw $s1, 208($sp)
.cfi_rel_offset 17, 208
sw $s0, 204($sp)
.cfi_rel_offset 16, 204
sw $t7, 200($sp)
.cfi_rel_offset 15, 200
sw $t6, 196($sp)
.cfi_rel_offset 14, 196
sw $t5, 192($sp)
.cfi_rel_offset 13, 192
sw $t4, 188($sp)
.cfi_rel_offset 12, 188
sw $t3, 184($sp)
.cfi_rel_offset 11, 184
sw $t2, 180($sp)
.cfi_rel_offset 10, 180
sw $t1, 176($sp)
.cfi_rel_offset 9, 176
sw $t0, 172($sp)
.cfi_rel_offset 8, 172
sw $a3, 168($sp)
.cfi_rel_offset 7, 168
sw $a2, 164($sp)
.cfi_rel_offset 6, 164
sw $a1, 160($sp)
.cfi_rel_offset 5, 160
sw $a0, 156($sp)
.cfi_rel_offset 4, 156
sw $v1, 152($sp)
.cfi_rel_offset 3, 152
sw $v0, 148($sp)
.cfi_rel_offset 2, 148
// Set up $gp, clobbering $ra and using the branch delay slot for a useful instruction.
bal 1f
.set push
.set noat
sw $at, 144($sp)
.cfi_rel_offset 1, 144
.set pop
1:
.cpload $ra
SDu $f30, $f31, 136, $sp, $t1
SDu $f28, $f29, 128, $sp, $t1
SDu $f26, $f27, 120, $sp, $t1
SDu $f24, $f25, 112, $sp, $t1
SDu $f22, $f23, 104, $sp, $t1
SDu $f20, $f21, 96, $sp, $t1
SDu $f18, $f19, 88, $sp, $t1
SDu $f16, $f17, 80, $sp, $t1
SDu $f14, $f15, 72, $sp, $t1
SDu $f12, $f13, 64, $sp, $t1
SDu $f10, $f11, 56, $sp, $t1
SDu $f8, $f9, 48, $sp, $t1
SDu $f6, $f7, 40, $sp, $t1
SDu $f4, $f5, 32, $sp, $t1
SDu $f2, $f3, 24, $sp, $t1
SDu $f0, $f1, 16, $sp, $t1
# 3 words padding and 1 word for holding Method*
lw $t0, %got(_ZN3art7Runtime9instance_E)($gp)
lw $t0, 0($t0)
lw $t0, RUNTIME_SAVE_EVERYTHING_METHOD_OFFSET($t0)
sw $t0, 0($sp) # Place Method* at bottom of stack.
sw $sp, THREAD_TOP_QUICK_FRAME_OFFSET(rSELF) # Place sp in Thread::Current()->top_quick_frame.
addiu $sp, $sp, -ARG_SLOT_SIZE # reserve argument slots on the stack
.cfi_adjust_cfa_offset ARG_SLOT_SIZE
.endm
/*
* Macro that sets up the callee save frame to conform with
* Runtime::CreateCalleeSaveMethod(kSaveEverything).
* Callee-save: $at, $v0-$v1, $a0-$a3, $t0-$t7, $s0-$s7, $t8-$t9, $gp, $fp $ra, $f0-$f31;
* 28(GPR)+ 32(FPR) + 3 words for padding and 1 word for Method*
* Clobbers $t0 and $t1.
* Allocates ARG_SLOT_SIZE bytes at the bottom of the stack for arg slots.
* Reserves FRAME_SIZE_SAVE_EVERYTHING + ARG_SLOT_SIZE bytes on the stack.
* This macro sets up $gp; entrypoints using it should start with ENTRY_NO_GP.
*/
.macro SETUP_SAVE_EVERYTHING_FRAME
addiu $sp, $sp, -(FRAME_SIZE_SAVE_EVERYTHING)
.cfi_adjust_cfa_offset (FRAME_SIZE_SAVE_EVERYTHING)
SETUP_SAVE_EVERYTHING_FRAME_DECREMENTED_SP
.endm
.macro RESTORE_SAVE_EVERYTHING_FRAME
addiu $sp, $sp, ARG_SLOT_SIZE # remove argument slots on the stack
.cfi_adjust_cfa_offset -ARG_SLOT_SIZE
LDu $f30, $f31, 136, $sp, $t1
LDu $f28, $f29, 128, $sp, $t1
LDu $f26, $f27, 120, $sp, $t1
LDu $f24, $f25, 112, $sp, $t1
LDu $f22, $f23, 104, $sp, $t1
LDu $f20, $f21, 96, $sp, $t1
LDu $f18, $f19, 88, $sp, $t1
LDu $f16, $f17, 80, $sp, $t1
LDu $f14, $f15, 72, $sp, $t1
LDu $f12, $f13, 64, $sp, $t1
LDu $f10, $f11, 56, $sp, $t1
LDu $f8, $f9, 48, $sp, $t1
LDu $f6, $f7, 40, $sp, $t1
LDu $f4, $f5, 32, $sp, $t1
LDu $f2, $f3, 24, $sp, $t1
LDu $f0, $f1, 16, $sp, $t1
lw $ra, 252($sp)
.cfi_restore 31
lw $fp, 248($sp)
.cfi_restore 30
lw $gp, 244($sp)
.cfi_restore 28
lw $t9, 240($sp)
.cfi_restore 25
lw $t8, 236($sp)
.cfi_restore 24
lw $s7, 232($sp)
.cfi_restore 23
lw $s6, 228($sp)
.cfi_restore 22
lw $s5, 224($sp)
.cfi_restore 21
lw $s4, 220($sp)
.cfi_restore 20
lw $s3, 216($sp)
.cfi_restore 19
lw $s2, 212($sp)
.cfi_restore 18
lw $s1, 208($sp)
.cfi_restore 17
lw $s0, 204($sp)
.cfi_restore 16
lw $t7, 200($sp)
.cfi_restore 15
lw $t6, 196($sp)
.cfi_restore 14
lw $t5, 192($sp)
.cfi_restore 13
lw $t4, 188($sp)
.cfi_restore 12
lw $t3, 184($sp)
.cfi_restore 11
lw $t2, 180($sp)
.cfi_restore 10
lw $t1, 176($sp)
.cfi_restore 9
lw $t0, 172($sp)
.cfi_restore 8
lw $a3, 168($sp)
.cfi_restore 7
lw $a2, 164($sp)
.cfi_restore 6
lw $a1, 160($sp)
.cfi_restore 5
lw $a0, 156($sp)
.cfi_restore 4
lw $v1, 152($sp)
.cfi_restore 3
lw $v0, 148($sp)
.cfi_restore 2
.set push
.set noat
lw $at, 144($sp)
.cfi_restore 1
.set pop
addiu $sp, $sp, 256 # pop frame
.cfi_adjust_cfa_offset -256
.endm
/*
* Macro that set calls through to artDeliverPendingExceptionFromCode, where the pending
* exception is Thread::Current()->exception_
*/
.macro DELIVER_PENDING_EXCEPTION
SETUP_SAVE_ALL_CALLEE_SAVES_FRAME # save callee saves for throw
la $t9, artDeliverPendingExceptionFromCode
jalr $zero, $t9 # artDeliverPendingExceptionFromCode(Thread*)
move $a0, rSELF # pass Thread::Current
.endm
.macro RETURN_IF_NO_EXCEPTION
lw $t0, THREAD_EXCEPTION_OFFSET(rSELF) # load Thread::Current()->exception_
RESTORE_SAVE_REFS_ONLY_FRAME
bnez $t0, 1f # success if no exception is pending
nop
jalr $zero, $ra
nop
1:
DELIVER_PENDING_EXCEPTION
.endm
.macro RETURN_IF_ZERO
RESTORE_SAVE_REFS_ONLY_FRAME
bnez $v0, 1f # success?
nop
jalr $zero, $ra # return on success
nop
1:
DELIVER_PENDING_EXCEPTION
.endm
.macro RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER
RESTORE_SAVE_REFS_ONLY_FRAME
beqz $v0, 1f # success?
nop
jalr $zero, $ra # return on success
nop
1:
DELIVER_PENDING_EXCEPTION
.endm
/*
* On stack replacement stub.
* On entry:
* a0 = stack to copy
* a1 = size of stack
* a2 = pc to call
* a3 = JValue* result
* [sp + 16] = shorty
* [sp + 20] = thread
*/
ENTRY art_quick_osr_stub
// Save callee general purpose registers, RA and GP.
addiu $sp, $sp, -48
.cfi_adjust_cfa_offset 48
sw $ra, 44($sp)
.cfi_rel_offset 31, 44
sw $s8, 40($sp)
.cfi_rel_offset 30, 40
sw $gp, 36($sp)
.cfi_rel_offset 28, 36
sw $s7, 32($sp)
.cfi_rel_offset 23, 32
sw $s6, 28($sp)
.cfi_rel_offset 22, 28
sw $s5, 24($sp)
.cfi_rel_offset 21, 24
sw $s4, 20($sp)
.cfi_rel_offset 20, 20
sw $s3, 16($sp)
.cfi_rel_offset 19, 16
sw $s2, 12($sp)
.cfi_rel_offset 18, 12
sw $s1, 8($sp)
.cfi_rel_offset 17, 8
sw $s0, 4($sp)
.cfi_rel_offset 16, 4
move $s8, $sp # Save the stack pointer
move $s7, $a1 # Save size of stack
move $s6, $a2 # Save the pc to call
lw rSELF, 48+20($sp) # Save managed thread pointer into rSELF
addiu $t0, $sp, -12 # Reserve space for stack pointer,
# JValue* result, and ArtMethod* slot.
srl $t0, $t0, 4 # Align stack pointer to 16 bytes
sll $sp, $t0, 4 # Update stack pointer
sw $s8, 4($sp) # Save old stack pointer
sw $a3, 8($sp) # Save JValue* result
sw $zero, 0($sp) # Store null for ArtMethod* at bottom of frame
subu $sp, $a1 # Reserve space for callee stack
move $a2, $a1
move $a1, $a0
move $a0, $sp
la $t9, memcpy
jalr $t9 # memcpy (dest a0, src a1, bytes a2)
addiu $sp, $sp, -16 # make space for argument slots for memcpy
bal .Losr_entry # Call the method
addiu $sp, $sp, 16 # restore stack after memcpy
lw $a2, 8($sp) # Restore JValue* result
lw $sp, 4($sp) # Restore saved stack pointer
lw $a0, 48+16($sp) # load shorty
lbu $a0, 0($a0) # load return type
li $a1, 'D' # put char 'D' into a1
beq $a0, $a1, .Losr_fp_result # Test if result type char == 'D'
li $a1, 'F' # put char 'F' into a1
beq $a0, $a1, .Losr_fp_result # Test if result type char == 'F'
nop
sw $v0, 0($a2)
b .Losr_exit
sw $v1, 4($a2) # store v0/v1 into result
.Losr_fp_result:
SDu $f0, $f1, 0, $a2, $t0 # store f0/f1 into result
.Losr_exit:
lw $ra, 44($sp)
.cfi_restore 31
lw $s8, 40($sp)
.cfi_restore 30
lw $gp, 36($sp)
.cfi_restore 28
lw $s7, 32($sp)
.cfi_restore 23
lw $s6, 28($sp)
.cfi_restore 22
lw $s5, 24($sp)
.cfi_restore 21
lw $s4, 20($sp)
.cfi_restore 20
lw $s3, 16($sp)
.cfi_restore 19
lw $s2, 12($sp)
.cfi_restore 18
lw $s1, 8($sp)
.cfi_restore 17
lw $s0, 4($sp)
.cfi_restore 16
jalr $zero, $ra
addiu $sp, $sp, 48
.cfi_adjust_cfa_offset -48
.Losr_entry:
addiu $s7, $s7, -4
addu $t0, $s7, $sp
move $t9, $s6
jalr $zero, $t9
sw $ra, 0($t0) # Store RA per the compiler ABI
END art_quick_osr_stub
/*
* On entry $a0 is uint32_t* gprs_ and $a1 is uint32_t* fprs_
* FIXME: just guessing about the shape of the jmpbuf. Where will pc be?
*/
ENTRY art_quick_do_long_jump
LDu $f0, $f1, 0*8, $a1, $t1
LDu $f2, $f3, 1*8, $a1, $t1
LDu $f4, $f5, 2*8, $a1, $t1
LDu $f6, $f7, 3*8, $a1, $t1
LDu $f8, $f9, 4*8, $a1, $t1
LDu $f10, $f11, 5*8, $a1, $t1
LDu $f12, $f13, 6*8, $a1, $t1
LDu $f14, $f15, 7*8, $a1, $t1
LDu $f16, $f17, 8*8, $a1, $t1
LDu $f18, $f19, 9*8, $a1, $t1
LDu $f20, $f21, 10*8, $a1, $t1
LDu $f22, $f23, 11*8, $a1, $t1
LDu $f24, $f25, 12*8, $a1, $t1
LDu $f26, $f27, 13*8, $a1, $t1
LDu $f28, $f29, 14*8, $a1, $t1
LDu $f30, $f31, 15*8, $a1, $t1
.set push
.set nomacro
.set noat
lw $at, 4($a0)
.set pop
lw $v0, 8($a0)
lw $v1, 12($a0)
lw $a1, 20($a0)
lw $a2, 24($a0)
lw $a3, 28($a0)
lw $t0, 32($a0)
lw $t1, 36($a0)
lw $t2, 40($a0)
lw $t3, 44($a0)
lw $t4, 48($a0)
lw $t5, 52($a0)
lw $t6, 56($a0)
lw $t7, 60($a0)
lw $s0, 64($a0)
lw $s1, 68($a0)
lw $s2, 72($a0)
lw $s3, 76($a0)
lw $s4, 80($a0)
lw $s5, 84($a0)
lw $s6, 88($a0)
lw $s7, 92($a0)
lw $t8, 96($a0)
lw $t9, 100($a0)
lw $gp, 112($a0)
lw $sp, 116($a0)
lw $fp, 120($a0)
lw $ra, 124($a0)
lw $a0, 16($a0)
move $v0, $zero # clear result registers v0 and v1 (in branch delay slot)
jalr $zero, $t9 # do long jump
move $v1, $zero
END art_quick_do_long_jump
/*
* Called by managed code, saves most registers (forms basis of long jump context) and passes
* the bottom of the stack. artDeliverExceptionFromCode will place the callee save Method* at
* the bottom of the thread. On entry a0 holds Throwable*
*/
ENTRY art_quick_deliver_exception
SETUP_SAVE_ALL_CALLEE_SAVES_FRAME
la $t9, artDeliverExceptionFromCode
jalr $zero, $t9 # artDeliverExceptionFromCode(Throwable*, Thread*)
move $a1, rSELF # pass Thread::Current
END art_quick_deliver_exception
/*
* Called by managed code to create and deliver a NullPointerException
*/
.extern artThrowNullPointerExceptionFromCode
ENTRY_NO_GP art_quick_throw_null_pointer_exception
// Note that setting up $gp does not rely on $t9 here, so branching here directly is OK,
// even after clobbering any registers we don't need to preserve, such as $gp or $t0.
SETUP_SAVE_EVERYTHING_FRAME
la $t9, artThrowNullPointerExceptionFromCode
jalr $zero, $t9 # artThrowNullPointerExceptionFromCode(Thread*)
move $a0, rSELF # pass Thread::Current
END art_quick_throw_null_pointer_exception
/*
* Call installed by a signal handler to create and deliver a NullPointerException.
*/
.extern artThrowNullPointerExceptionFromSignal
ENTRY_NO_GP_CUSTOM_CFA art_quick_throw_null_pointer_exception_from_signal, FRAME_SIZE_SAVE_EVERYTHING
SETUP_SAVE_EVERYTHING_FRAME_DECREMENTED_SP
# Retrieve the fault address from the padding where the signal handler stores it.
lw $a0, (ARG_SLOT_SIZE + __SIZEOF_POINTER__)($sp)
la $t9, artThrowNullPointerExceptionFromSignal
jalr $zero, $t9 # artThrowNullPointerExceptionFromSignal(uintptr_t, Thread*)
move $a1, rSELF # pass Thread::Current
END art_quick_throw_null_pointer_exception_from_signal
/*
* Called by managed code to create and deliver an ArithmeticException
*/
.extern artThrowDivZeroFromCode
ENTRY_NO_GP art_quick_throw_div_zero
SETUP_SAVE_EVERYTHING_FRAME
la $t9, artThrowDivZeroFromCode
jalr $zero, $t9 # artThrowDivZeroFromCode(Thread*)
move $a0, rSELF # pass Thread::Current
END art_quick_throw_div_zero
/*
* Called by managed code to create and deliver an ArrayIndexOutOfBoundsException
*/
.extern artThrowArrayBoundsFromCode
ENTRY_NO_GP art_quick_throw_array_bounds
// Note that setting up $gp does not rely on $t9 here, so branching here directly is OK,
// even after clobbering any registers we don't need to preserve, such as $gp or $t0.
SETUP_SAVE_EVERYTHING_FRAME
la $t9, artThrowArrayBoundsFromCode
jalr $zero, $t9 # artThrowArrayBoundsFromCode(index, limit, Thread*)
move $a2, rSELF # pass Thread::Current
END art_quick_throw_array_bounds
/*
* Called by managed code to create and deliver a StringIndexOutOfBoundsException
* as if thrown from a call to String.charAt().
*/
.extern artThrowStringBoundsFromCode
ENTRY_NO_GP art_quick_throw_string_bounds
SETUP_SAVE_EVERYTHING_FRAME
la $t9, artThrowStringBoundsFromCode
jalr $zero, $t9 # artThrowStringBoundsFromCode(index, limit, Thread*)
move $a2, rSELF # pass Thread::Current
END art_quick_throw_string_bounds
/*
* Called by managed code to create and deliver a StackOverflowError.
*/
.extern artThrowStackOverflowFromCode
ENTRY art_quick_throw_stack_overflow
SETUP_SAVE_ALL_CALLEE_SAVES_FRAME
la $t9, artThrowStackOverflowFromCode
jalr $zero, $t9 # artThrowStackOverflowFromCode(Thread*)
move $a0, rSELF # pass Thread::Current
END art_quick_throw_stack_overflow
/*
* All generated callsites for interface invokes and invocation slow paths will load arguments
* as usual - except instead of loading arg0/$a0 with the target Method*, arg0/$a0 will contain
* the method_idx. This wrapper will save arg1-arg3, and call the appropriate C helper.
* NOTE: "this" is first visable argument of the target, and so can be found in arg1/$a1.
*
* The helper will attempt to locate the target and return a 64-bit result in $v0/$v1 consisting
* of the target Method* in $v0 and method->code_ in $v1.
*
* If unsuccessful, the helper will return null/null. There will be a pending exception in the
* thread and we branch to another stub to deliver it.
*
* On success this wrapper will restore arguments and *jump* to the target, leaving the lr
* pointing back to the original caller.
*/
.macro INVOKE_TRAMPOLINE_BODY cxx_name
.extern \cxx_name
SETUP_SAVE_REFS_AND_ARGS_FRAME # save callee saves in case allocation triggers GC
move $a2, rSELF # pass Thread::Current
la $t9, \cxx_name
jalr $t9 # (method_idx, this, Thread*, $sp)
addiu $a3, $sp, ARG_SLOT_SIZE # pass $sp (remove arg slots)
move $a0, $v0 # save target Method*
RESTORE_SAVE_REFS_AND_ARGS_FRAME
beqz $v0, 1f
move $t9, $v1 # save $v0->code_
jalr $zero, $t9
nop
1:
DELIVER_PENDING_EXCEPTION
.endm
.macro INVOKE_TRAMPOLINE c_name, cxx_name
ENTRY \c_name
INVOKE_TRAMPOLINE_BODY \cxx_name
END \c_name
.endm
INVOKE_TRAMPOLINE art_quick_invoke_interface_trampoline_with_access_check, artInvokeInterfaceTrampolineWithAccessCheck
INVOKE_TRAMPOLINE art_quick_invoke_static_trampoline_with_access_check, artInvokeStaticTrampolineWithAccessCheck
INVOKE_TRAMPOLINE art_quick_invoke_direct_trampoline_with_access_check, artInvokeDirectTrampolineWithAccessCheck
INVOKE_TRAMPOLINE art_quick_invoke_super_trampoline_with_access_check, artInvokeSuperTrampolineWithAccessCheck
INVOKE_TRAMPOLINE art_quick_invoke_virtual_trampoline_with_access_check, artInvokeVirtualTrampolineWithAccessCheck
// Each of the following macros expands into four instructions or 16 bytes.
// They are used to build indexable "tables" of code.
.macro LOAD_WORD_TO_REG reg, next_arg, index_reg, label
lw $\reg, -4($\next_arg) # next_arg points to argument after the current one (offset is 4)
b \label
addiu $\index_reg, 16
.balign 16
.endm
.macro LOAD_LONG_TO_REG reg1, reg2, next_arg, index_reg, next_index, label
lw $\reg1, -8($\next_arg) # next_arg points to argument after the current one (offset is 8)
lw $\reg2, -4($\next_arg)
b \label
li $\index_reg, \next_index
.balign 16
.endm
.macro LOAD_FLOAT_TO_REG reg, next_arg, index_reg, label
lwc1 $\reg, -4($\next_arg) # next_arg points to argument after the current one (offset is 4)
b \label
addiu $\index_reg, 16
.balign 16
.endm
#if defined(__mips_isa_rev) && __mips_isa_rev > 2
// LDu expands into 3 instructions for 64-bit FPU, so index_reg cannot be updated here.
.macro LOAD_DOUBLE_TO_REG reg1, reg2, next_arg, index_reg, tmp, label
.set reorder # force use of the branch delay slot
LDu $\reg1, $\reg2, -8, $\next_arg, $\tmp # next_arg points to argument after the current one
# (offset is 8)
b \label
.set noreorder
.balign 16
.endm
#else
// LDu expands into 2 instructions for 32-bit FPU, so index_reg is updated here.
.macro LOAD_DOUBLE_TO_REG reg1, reg2, next_arg, index_reg, tmp, label
LDu $\reg1, $\reg2, -8, $\next_arg, $\tmp # next_arg points to argument after the current one
# (offset is 8)
b \label
addiu $\index_reg, 16
.balign 16
.endm
#endif
.macro LOAD_END index_reg, next_index, label
b \label
li $\index_reg, \next_index
.balign 16
.endm
#define SPILL_SIZE 32
/*
* Invocation stub for quick code.
* On entry:
* a0 = method pointer
* a1 = argument array or null for no argument methods
* a2 = size of argument array in bytes
* a3 = (managed) thread pointer
* [sp + 16] = JValue* result
* [sp + 20] = shorty
*/
ENTRY art_quick_invoke_stub
sw $a0, 0($sp) # save out a0
addiu $sp, $sp, -SPILL_SIZE # spill s0, s1, fp, ra and gp
.cfi_adjust_cfa_offset SPILL_SIZE
sw $gp, 16($sp)
sw $ra, 12($sp)
.cfi_rel_offset 31, 12
sw $fp, 8($sp)
.cfi_rel_offset 30, 8
sw $s1, 4($sp)
.cfi_rel_offset 17, 4
sw $s0, 0($sp)
.cfi_rel_offset 16, 0
move $fp, $sp # save sp in fp
.cfi_def_cfa_register 30
move $s1, $a3 # move managed thread pointer into s1
addiu $s0, $zero, SUSPEND_CHECK_INTERVAL # reset s0 to suspend check interval
addiu $t0, $a2, 4 # create space for ArtMethod* in frame.
subu $t0, $sp, $t0 # reserve & align *stack* to 16 bytes:
srl $t0, $t0, 4 # native calling convention only aligns to 8B,
sll $sp, $t0, 4 # so we have to ensure ART 16B alignment ourselves.
addiu $a0, $sp, 4 # pass stack pointer + ArtMethod* as dest for memcpy
la $t9, memcpy
jalr $t9 # (dest, src, bytes)
addiu $sp, $sp, -16 # make space for argument slots for memcpy
addiu $sp, $sp, 16 # restore stack after memcpy
lw $gp, 16($fp) # restore $gp
lw $a0, SPILL_SIZE($fp) # restore ArtMethod*
lw $a1, 4($sp) # a1 = this*
addiu $t8, $sp, 8 # t8 = pointer to the current argument (skip ArtMethod* and this*)
li $t6, 0 # t6 = gpr_index = 0 (corresponds to A2; A0 and A1 are skipped)
li $t7, 0 # t7 = fp_index = 0
lw $t9, 20 + SPILL_SIZE($fp) # get shorty (20 is offset from the $sp on entry + SPILL_SIZE
# as the $fp is SPILL_SIZE bytes below the $sp on entry)
addiu $t9, 1 # t9 = shorty + 1 (skip 1 for return type)
// Load the base addresses of tabInt ... tabDouble.
// We will use the register indices (gpr_index, fp_index) to branch.
// Note that the indices are scaled by 16, so they can be added to the bases directly.
#if defined(__mips_isa_rev) && __mips_isa_rev >= 6
lapc $t2, tabInt
lapc $t3, tabLong
lapc $t4, tabSingle
lapc $t5, tabDouble
#else
bltzal $zero, tabBase # nal
addiu $t2, $ra, %lo(tabInt - tabBase)
tabBase:
addiu $t3, $ra, %lo(tabLong - tabBase)
addiu $t4, $ra, %lo(tabSingle - tabBase)
addiu $t5, $ra, %lo(tabDouble - tabBase)
#endif
loop:
lbu $ra, 0($t9) # ra = shorty[i]
beqz $ra, loopEnd # finish getting args when shorty[i] == '\0'
addiu $t9, 1
addiu $ra, -'J'
beqz $ra, isLong # branch if result type char == 'J'
addiu $ra, 'J' - 'D'
beqz $ra, isDouble # branch if result type char == 'D'
addiu $ra, 'D' - 'F'
beqz $ra, isSingle # branch if result type char == 'F'
addu $ra, $t2, $t6
jalr $zero, $ra
addiu $t8, 4 # next_arg = curr_arg + 4
isLong:
addu $ra, $t3, $t6
jalr $zero, $ra
addiu $t8, 8 # next_arg = curr_arg + 8
isSingle:
addu $ra, $t4, $t7
jalr $zero, $ra
addiu $t8, 4 # next_arg = curr_arg + 4
isDouble:
addu $ra, $t5, $t7
#if defined(__mips_isa_rev) && __mips_isa_rev > 2
addiu $t7, 16 # fp_index += 16 didn't fit into LOAD_DOUBLE_TO_REG
#endif
jalr $zero, $ra
addiu $t8, 8 # next_arg = curr_arg + 8
loopEnd:
lw $t9, ART_METHOD_QUICK_CODE_OFFSET_32($a0) # get pointer to the code
jalr $t9 # call the method
sw $zero, 0($sp) # store null for ArtMethod* at bottom of frame
move $sp, $fp # restore the stack
lw $s0, 0($sp)
.cfi_restore 16
lw $s1, 4($sp)
.cfi_restore 17
lw $fp, 8($sp)
.cfi_restore 30
lw $ra, 12($sp)
.cfi_restore 31
addiu $sp, $sp, SPILL_SIZE
.cfi_adjust_cfa_offset -SPILL_SIZE
lw $t0, 16($sp) # get result pointer
lw $t1, 20($sp) # get shorty
lb $t1, 0($t1) # get result type char
li $t2, 'D' # put char 'D' into t2
beq $t1, $t2, 5f # branch if result type char == 'D'
li $t3, 'F' # put char 'F' into t3
beq $t1, $t3, 5f # branch if result type char == 'F'
sw $v0, 0($t0) # store the result
jalr $zero, $ra
sw $v1, 4($t0) # store the other half of the result
5:
SDu $f0, $f1, 0, $t0, $t1 # store floating point result
jalr $zero, $ra
nop
// Note that gpr_index is kept within the range of tabInt and tabLong
// and fp_index is kept within the range of tabSingle and tabDouble.
.balign 16
tabInt:
LOAD_WORD_TO_REG a2, t8, t6, loop # a2 = current argument, gpr_index += 16
LOAD_WORD_TO_REG a3, t8, t6, loop # a3 = current argument, gpr_index += 16
LOAD_WORD_TO_REG t0, t8, t6, loop # t0 = current argument, gpr_index += 16
LOAD_WORD_TO_REG t1, t8, t6, loop # t1 = current argument, gpr_index += 16
LOAD_END t6, 4*16, loop # no more GPR args, gpr_index = 4*16
tabLong:
LOAD_LONG_TO_REG a2, a3, t8, t6, 2*16, loop # a2_a3 = curr_arg, gpr_index = 2*16
LOAD_LONG_TO_REG t0, t1, t8, t6, 4*16, loop # t0_t1 = curr_arg, gpr_index = 4*16
LOAD_LONG_TO_REG t0, t1, t8, t6, 4*16, loop # t0_t1 = curr_arg, gpr_index = 4*16
LOAD_END t6, 4*16, loop # no more GPR args, gpr_index = 4*16
LOAD_END t6, 4*16, loop # no more GPR args, gpr_index = 4*16
tabSingle:
LOAD_FLOAT_TO_REG f8, t8, t7, loop # f8 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f10, t8, t7, loop # f10 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f12, t8, t7, loop # f12 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f14, t8, t7, loop # f14 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f16, t8, t7, loop # f16 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f18, t8, t7, loop # f18 = curr_arg, fp_index += 16
LOAD_END t7, 6*16, loop # no more FPR args, fp_index = 6*16
tabDouble:
LOAD_DOUBLE_TO_REG f8, f9, t8, t7, ra, loop # f8_f9 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f10, f11, t8, t7, ra, loop # f10_f11 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f12, f13, t8, t7, ra, loop # f12_f13 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f14, f15, t8, t7, ra, loop # f14_f15 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f16, f17, t8, t7, ra, loop # f16_f17 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f18, f19, t8, t7, ra, loop # f18_f19 = curr_arg; if FPU32, fp_index += 16
LOAD_END t7, 6*16, loop # no more FPR args, fp_index = 6*16
END art_quick_invoke_stub
/*
* Invocation static stub for quick code.
* On entry:
* a0 = method pointer
* a1 = argument array or null for no argument methods
* a2 = size of argument array in bytes
* a3 = (managed) thread pointer
* [sp + 16] = JValue* result
* [sp + 20] = shorty
*/
ENTRY art_quick_invoke_static_stub
sw $a0, 0($sp) # save out a0
addiu $sp, $sp, -SPILL_SIZE # spill s0, s1, fp, ra and gp
.cfi_adjust_cfa_offset SPILL_SIZE
sw $gp, 16($sp)
sw $ra, 12($sp)
.cfi_rel_offset 31, 12
sw $fp, 8($sp)
.cfi_rel_offset 30, 8
sw $s1, 4($sp)
.cfi_rel_offset 17, 4
sw $s0, 0($sp)
.cfi_rel_offset 16, 0
move $fp, $sp # save sp in fp
.cfi_def_cfa_register 30
move $s1, $a3 # move managed thread pointer into s1
addiu $s0, $zero, SUSPEND_CHECK_INTERVAL # reset s0 to suspend check interval
addiu $t0, $a2, 4 # create space for ArtMethod* in frame.
subu $t0, $sp, $t0 # reserve & align *stack* to 16 bytes:
srl $t0, $t0, 4 # native calling convention only aligns to 8B,
sll $sp, $t0, 4 # so we have to ensure ART 16B alignment ourselves.
addiu $a0, $sp, 4 # pass stack pointer + ArtMethod* as dest for memcpy
la $t9, memcpy
jalr $t9 # (dest, src, bytes)
addiu $sp, $sp, -16 # make space for argument slots for memcpy
addiu $sp, $sp, 16 # restore stack after memcpy
lw $gp, 16($fp) # restore $gp
lw $a0, SPILL_SIZE($fp) # restore ArtMethod*
addiu $t8, $sp, 4 # t8 = pointer to the current argument (skip ArtMethod*)
li $t6, 0 # t6 = gpr_index = 0 (corresponds to A1; A0 is skipped)
li $t7, 0 # t7 = fp_index = 0
lw $t9, 20 + SPILL_SIZE($fp) # get shorty (20 is offset from the $sp on entry + SPILL_SIZE
# as the $fp is SPILL_SIZE bytes below the $sp on entry)
addiu $t9, 1 # t9 = shorty + 1 (skip 1 for return type)
// Load the base addresses of tabIntS ... tabDoubleS.
// We will use the register indices (gpr_index, fp_index) to branch.
// Note that the indices are scaled by 16, so they can be added to the bases directly.
#if defined(__mips_isa_rev) && __mips_isa_rev >= 6
lapc $t2, tabIntS
lapc $t3, tabLongS
lapc $t4, tabSingleS
lapc $t5, tabDoubleS
#else
bltzal $zero, tabBaseS # nal
addiu $t2, $ra, %lo(tabIntS - tabBaseS)
tabBaseS:
addiu $t3, $ra, %lo(tabLongS - tabBaseS)
addiu $t4, $ra, %lo(tabSingleS - tabBaseS)
addiu $t5, $ra, %lo(tabDoubleS - tabBaseS)
#endif
loopS:
lbu $ra, 0($t9) # ra = shorty[i]
beqz $ra, loopEndS # finish getting args when shorty[i] == '\0'
addiu $t9, 1
addiu $ra, -'J'
beqz $ra, isLongS # branch if result type char == 'J'
addiu $ra, 'J' - 'D'
beqz $ra, isDoubleS # branch if result type char == 'D'
addiu $ra, 'D' - 'F'
beqz $ra, isSingleS # branch if result type char == 'F'
addu $ra, $t2, $t6
jalr $zero, $ra
addiu $t8, 4 # next_arg = curr_arg + 4
isLongS:
addu $ra, $t3, $t6
jalr $zero, $ra
addiu $t8, 8 # next_arg = curr_arg + 8
isSingleS:
addu $ra, $t4, $t7
jalr $zero, $ra
addiu $t8, 4 # next_arg = curr_arg + 4
isDoubleS:
addu $ra, $t5, $t7
#if defined(__mips_isa_rev) && __mips_isa_rev > 2
addiu $t7, 16 # fp_index += 16 didn't fit into LOAD_DOUBLE_TO_REG
#endif
jalr $zero, $ra
addiu $t8, 8 # next_arg = curr_arg + 8
loopEndS:
lw $t9, ART_METHOD_QUICK_CODE_OFFSET_32($a0) # get pointer to the code
jalr $t9 # call the method
sw $zero, 0($sp) # store null for ArtMethod* at bottom of frame
move $sp, $fp # restore the stack
lw $s0, 0($sp)
.cfi_restore 16
lw $s1, 4($sp)
.cfi_restore 17
lw $fp, 8($sp)
.cfi_restore 30
lw $ra, 12($sp)
.cfi_restore 31
addiu $sp, $sp, SPILL_SIZE
.cfi_adjust_cfa_offset -SPILL_SIZE
lw $t0, 16($sp) # get result pointer
lw $t1, 20($sp) # get shorty
lb $t1, 0($t1) # get result type char
li $t2, 'D' # put char 'D' into t2
beq $t1, $t2, 6f # branch if result type char == 'D'
li $t3, 'F' # put char 'F' into t3
beq $t1, $t3, 6f # branch if result type char == 'F'
sw $v0, 0($t0) # store the result
jalr $zero, $ra
sw $v1, 4($t0) # store the other half of the result
6:
SDu $f0, $f1, 0, $t0, $t1 # store floating point result
jalr $zero, $ra
nop
// Note that gpr_index is kept within the range of tabIntS and tabLongS
// and fp_index is kept within the range of tabSingleS and tabDoubleS.
.balign 16
tabIntS:
LOAD_WORD_TO_REG a1, t8, t6, loopS # a1 = current argument, gpr_index += 16
LOAD_WORD_TO_REG a2, t8, t6, loopS # a2 = current argument, gpr_index += 16
LOAD_WORD_TO_REG a3, t8, t6, loopS # a3 = current argument, gpr_index += 16
LOAD_WORD_TO_REG t0, t8, t6, loopS # t0 = current argument, gpr_index += 16
LOAD_WORD_TO_REG t1, t8, t6, loopS # t1 = current argument, gpr_index += 16
LOAD_END t6, 5*16, loopS # no more GPR args, gpr_index = 5*16
tabLongS:
LOAD_LONG_TO_REG a2, a3, t8, t6, 3*16, loopS # a2_a3 = curr_arg, gpr_index = 3*16
LOAD_LONG_TO_REG a2, a3, t8, t6, 3*16, loopS # a2_a3 = curr_arg, gpr_index = 3*16
LOAD_LONG_TO_REG t0, t1, t8, t6, 5*16, loopS # t0_t1 = curr_arg, gpr_index = 5*16
LOAD_LONG_TO_REG t0, t1, t8, t6, 5*16, loopS # t0_t1 = curr_arg, gpr_index = 5*16
LOAD_END t6, 5*16, loopS # no more GPR args, gpr_index = 5*16
LOAD_END t6, 5*16, loopS # no more GPR args, gpr_index = 5*16
tabSingleS:
LOAD_FLOAT_TO_REG f8, t8, t7, loopS # f8 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f10, t8, t7, loopS # f10 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f12, t8, t7, loopS # f12 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f14, t8, t7, loopS # f14 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f16, t8, t7, loopS # f16 = curr_arg, fp_index += 16
LOAD_FLOAT_TO_REG f18, t8, t7, loopS # f18 = curr_arg, fp_index += 16
LOAD_END t7, 6*16, loopS # no more FPR args, fp_index = 6*16
tabDoubleS:
LOAD_DOUBLE_TO_REG f8, f9, t8, t7, ra, loopS # f8_f9 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f10, f11, t8, t7, ra, loopS # f10_f11 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f12, f13, t8, t7, ra, loopS # f12_f13 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f14, f15, t8, t7, ra, loopS # f14_f15 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f16, f17, t8, t7, ra, loopS # f16_f17 = curr_arg; if FPU32, fp_index += 16
LOAD_DOUBLE_TO_REG f18, f19, t8, t7, ra, loopS # f18_f19 = curr_arg; if FPU32, fp_index += 16
LOAD_END t7, 6*16, loopS # no more FPR args, fp_index = 6*16
END art_quick_invoke_static_stub
#undef SPILL_SIZE
/*
* Entry from managed code that calls artHandleFillArrayDataFromCode and delivers exception on
* failure.
*/
.extern artHandleFillArrayDataFromCode
ENTRY art_quick_handle_fill_data
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case exception allocation triggers GC
la $t9, artHandleFillArrayDataFromCode
jalr $t9 # (payload offset, Array*, method, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_ZERO
END art_quick_handle_fill_data
/*
* Entry from managed code that calls artLockObjectFromCode, may block for GC.
*/
.extern artLockObjectFromCode
ENTRY art_quick_lock_object
beqz $a0, art_quick_throw_null_pointer_exception
nop
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case we block
la $t9, artLockObjectFromCode
jalr $t9 # (Object* obj, Thread*)
move $a1, rSELF # pass Thread::Current
RETURN_IF_ZERO
END art_quick_lock_object
ENTRY art_quick_lock_object_no_inline
beqz $a0, art_quick_throw_null_pointer_exception
nop
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case we block
la $t9, artLockObjectFromCode
jalr $t9 # (Object* obj, Thread*)
move $a1, rSELF # pass Thread::Current
RETURN_IF_ZERO
END art_quick_lock_object_no_inline
/*
* Entry from managed code that calls artUnlockObjectFromCode and delivers exception on failure.
*/
.extern artUnlockObjectFromCode
ENTRY art_quick_unlock_object
beqz $a0, art_quick_throw_null_pointer_exception
nop
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case exception allocation triggers GC
la $t9, artUnlockObjectFromCode
jalr $t9 # (Object* obj, Thread*)
move $a1, rSELF # pass Thread::Current
RETURN_IF_ZERO
END art_quick_unlock_object
ENTRY art_quick_unlock_object_no_inline
beqz $a0, art_quick_throw_null_pointer_exception
nop
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case exception allocation triggers GC
la $t9, artUnlockObjectFromCode
jalr $t9 # (Object* obj, Thread*)
move $a1, rSELF # pass Thread::Current
RETURN_IF_ZERO
END art_quick_unlock_object_no_inline
/*
* Entry from managed code that calls artInstanceOfFromCode and delivers exception on failure.
*/
.extern artInstanceOfFromCode
.extern artThrowClassCastExceptionForObject
ENTRY art_quick_check_instance_of
addiu $sp, $sp, -32
.cfi_adjust_cfa_offset 32
sw $gp, 16($sp)
sw $ra, 12($sp)
.cfi_rel_offset 31, 12
sw $t9, 8($sp)
sw $a1, 4($sp)
sw $a0, 0($sp)
la $t9, artInstanceOfFromCode
jalr $t9
addiu $sp, $sp, -16 # reserve argument slots on the stack
addiu $sp, $sp, 16
lw $gp, 16($sp)
beqz $v0, .Lthrow_class_cast_exception
lw $ra, 12($sp)
jalr $zero, $ra
addiu $sp, $sp, 32
.cfi_adjust_cfa_offset -32
.Lthrow_class_cast_exception:
lw $t9, 8($sp)
lw $a1, 4($sp)
lw $a0, 0($sp)
addiu $sp, $sp, 32
.cfi_adjust_cfa_offset -32
SETUP_SAVE_ALL_CALLEE_SAVES_FRAME
la $t9, artThrowClassCastExceptionForObject
jalr $zero, $t9 # artThrowClassCastException (Object*, Class*, Thread*)
move $a2, rSELF # pass Thread::Current
END art_quick_check_instance_of
/*
* Restore rReg's value from offset($sp) if rReg is not the same as rExclude.
* nReg is the register number for rReg.
*/
.macro POP_REG_NE rReg, nReg, offset, rExclude
.ifnc \rReg, \rExclude
lw \rReg, \offset($sp) # restore rReg
.cfi_restore \nReg
.endif
.endm
/*
* Macro to insert read barrier, only used in art_quick_aput_obj.
* rObj and rDest are registers, offset is a defined literal such as MIRROR_OBJECT_CLASS_OFFSET.
* TODO: When read barrier has a fast path, add heap unpoisoning support for the fast path.
*/
.macro READ_BARRIER rDest, rObj, offset
#ifdef USE_READ_BARRIER
# saved registers used in art_quick_aput_obj: a0-a2, t0-t1, t9, ra. 8 words for 16B alignment.
addiu $sp, $sp, -32
.cfi_adjust_cfa_offset 32
sw $ra, 28($sp)
.cfi_rel_offset 31, 28
sw $t9, 24($sp)
.cfi_rel_offset 25, 24
sw $t1, 20($sp)
.cfi_rel_offset 9, 20
sw $t0, 16($sp)
.cfi_rel_offset 8, 16
sw $a2, 8($sp) # padding slot at offset 12 (padding can be any slot in the 32B)
.cfi_rel_offset 6, 8
sw $a1, 4($sp)
.cfi_rel_offset 5, 4
sw $a0, 0($sp)
.cfi_rel_offset 4, 0
# move $a0, \rRef # pass ref in a0 (no-op for now since parameter ref is unused)
.ifnc \rObj, $a1
move $a1, \rObj # pass rObj
.endif
addiu $a2, $zero, \offset # pass offset
la $t9, artReadBarrierSlow
jalr $t9 # artReadBarrierSlow(ref, rObj, offset)
addiu $sp, $sp, -16 # Use branch delay slot to reserve argument slots on the stack
# before the call to artReadBarrierSlow.
addiu $sp, $sp, 16 # restore stack after call to artReadBarrierSlow
# No need to unpoison return value in v0, artReadBarrierSlow() would do the unpoisoning.
move \rDest, $v0 # save return value in rDest
# (rDest cannot be v0 in art_quick_aput_obj)
lw $a0, 0($sp) # restore registers except rDest
# (rDest can only be t0 or t1 in art_quick_aput_obj)
.cfi_restore 4
lw $a1, 4($sp)
.cfi_restore 5
lw $a2, 8($sp)
.cfi_restore 6
POP_REG_NE $t0, 8, 16, \rDest
POP_REG_NE $t1, 9, 20, \rDest
lw $t9, 24($sp)
.cfi_restore 25
lw $ra, 28($sp) # restore $ra
.cfi_restore 31
addiu $sp, $sp, 32
.cfi_adjust_cfa_offset -32
#else
lw \rDest, \offset(\rObj)
UNPOISON_HEAP_REF \rDest
#endif // USE_READ_BARRIER
.endm
#ifdef USE_READ_BARRIER
.extern artReadBarrierSlow
#endif
ENTRY art_quick_aput_obj
beqz $a2, .Ldo_aput_null
nop
READ_BARRIER $t0, $a0, MIRROR_OBJECT_CLASS_OFFSET
READ_BARRIER $t1, $a2, MIRROR_OBJECT_CLASS_OFFSET
READ_BARRIER $t0, $t0, MIRROR_CLASS_COMPONENT_TYPE_OFFSET
bne $t1, $t0, .Lcheck_assignability # value's type == array's component type - trivial assignability
nop
.Ldo_aput:
sll $a1, $a1, 2
add $t0, $a0, $a1
POISON_HEAP_REF $a2
sw $a2, MIRROR_OBJECT_ARRAY_DATA_OFFSET($t0)
lw $t0, THREAD_CARD_TABLE_OFFSET(rSELF)
srl $t1, $a0, 7
add $t1, $t1, $t0
sb $t0, ($t1)
jalr $zero, $ra
nop
.Ldo_aput_null:
sll $a1, $a1, 2
add $t0, $a0, $a1
sw $a2, MIRROR_OBJECT_ARRAY_DATA_OFFSET($t0)
jalr $zero, $ra
nop
.Lcheck_assignability:
addiu $sp, $sp, -32
.cfi_adjust_cfa_offset 32
sw $ra, 28($sp)
.cfi_rel_offset 31, 28
sw $gp, 16($sp)
sw $t9, 12($sp)
sw $a2, 8($sp)
sw $a1, 4($sp)
sw $a0, 0($sp)
move $a1, $t1
move $a0, $t0
la $t9, artIsAssignableFromCode
jalr $t9 # (Class*, Class*)
addiu $sp, $sp, -16 # reserve argument slots on the stack
addiu $sp, $sp, 16
lw $ra, 28($sp)
lw $gp, 16($sp)
lw $t9, 12($sp)
lw $a2, 8($sp)
lw $a1, 4($sp)
lw $a0, 0($sp)
addiu $sp, 32
.cfi_adjust_cfa_offset -32
bnez $v0, .Ldo_aput
nop
SETUP_SAVE_ALL_CALLEE_SAVES_FRAME
move $a1, $a2
la $t9, artThrowArrayStoreException
jalr $zero, $t9 # artThrowArrayStoreException(Class*, Class*, Thread*)
move $a2, rSELF # pass Thread::Current
END art_quick_aput_obj
/*
* Called by managed code to resolve a static field and load a boolean primitive value.
*/
.extern artGetBooleanStaticFromCode
ENTRY art_quick_get_boolean_static
lw $a1, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetBooleanStaticFromCode
jalr $t9 # (uint32_t field_idx, const Method* referrer, Thread*)
move $a2, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_boolean_static
/*
* Called by managed code to resolve a static field and load a byte primitive value.
*/
.extern artGetByteStaticFromCode
ENTRY art_quick_get_byte_static
lw $a1, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetByteStaticFromCode
jalr $t9 # (uint32_t field_idx, const Method* referrer, Thread*)
move $a2, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_byte_static
/*
* Called by managed code to resolve a static field and load a char primitive value.
*/
.extern artGetCharStaticFromCode
ENTRY art_quick_get_char_static
lw $a1, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetCharStaticFromCode
jalr $t9 # (uint32_t field_idx, const Method* referrer, Thread*)
move $a2, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_char_static
/*
* Called by managed code to resolve a static field and load a short primitive value.
*/
.extern artGetShortStaticFromCode
ENTRY art_quick_get_short_static
lw $a1, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetShortStaticFromCode
jalr $t9 # (uint32_t field_idx, const Method* referrer, Thread*)
move $a2, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_short_static
/*
* Called by managed code to resolve a static field and load a 32-bit primitive value.
*/
.extern artGet32StaticFromCode
ENTRY art_quick_get32_static
lw $a1, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGet32StaticFromCode
jalr $t9 # (uint32_t field_idx, const Method* referrer, Thread*)
move $a2, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get32_static
/*
* Called by managed code to resolve a static field and load a 64-bit primitive value.
*/
.extern artGet64StaticFromCode
ENTRY art_quick_get64_static
lw $a1, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGet64StaticFromCode
jalr $t9 # (uint32_t field_idx, const Method* referrer, Thread*)
move $a2, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get64_static
/*
* Called by managed code to resolve a static field and load an object reference.
*/
.extern artGetObjStaticFromCode
ENTRY art_quick_get_obj_static
lw $a1, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetObjStaticFromCode
jalr $t9 # (uint32_t field_idx, const Method* referrer, Thread*)
move $a2, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_obj_static
/*
* Called by managed code to resolve an instance field and load a boolean primitive value.
*/
.extern artGetBooleanInstanceFromCode
ENTRY art_quick_get_boolean_instance
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetBooleanInstanceFromCode
jalr $t9 # (field_idx, Object*, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_boolean_instance
/*
* Called by managed code to resolve an instance field and load a byte primitive value.
*/
.extern artGetByteInstanceFromCode
ENTRY art_quick_get_byte_instance
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetByteInstanceFromCode
jalr $t9 # (field_idx, Object*, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_byte_instance
/*
* Called by managed code to resolve an instance field and load a char primitive value.
*/
.extern artGetCharInstanceFromCode
ENTRY art_quick_get_char_instance
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetCharInstanceFromCode
jalr $t9 # (field_idx, Object*, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_char_instance
/*
* Called by managed code to resolve an instance field and load a short primitive value.
*/
.extern artGetShortInstanceFromCode
ENTRY art_quick_get_short_instance
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetShortInstanceFromCode
jalr $t9 # (field_idx, Object*, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_short_instance
/*
* Called by managed code to resolve an instance field and load a 32-bit primitive value.
*/
.extern artGet32InstanceFromCode
ENTRY art_quick_get32_instance
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGet32InstanceFromCode
jalr $t9 # (field_idx, Object*, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get32_instance
/*
* Called by managed code to resolve an instance field and load a 64-bit primitive value.
*/
.extern artGet64InstanceFromCode
ENTRY art_quick_get64_instance
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGet64InstanceFromCode
jalr $t9 # (field_idx, Object*, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get64_instance
/*
* Called by managed code to resolve an instance field and load an object reference.
*/
.extern artGetObjInstanceFromCode
ENTRY art_quick_get_obj_instance
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artGetObjInstanceFromCode
jalr $t9 # (field_idx, Object*, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_NO_EXCEPTION
END art_quick_get_obj_instance
/*
* Called by managed code to resolve a static field and store a 8-bit primitive value.
*/
.extern artSet8StaticFromCode
ENTRY art_quick_set8_static
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artSet8StaticFromCode
jalr $t9 # (field_idx, new_val, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_ZERO
END art_quick_set8_static
/*
* Called by managed code to resolve a static field and store a 16-bit primitive value.
*/
.extern artSet16StaticFromCode
ENTRY art_quick_set16_static
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artSet16StaticFromCode
jalr $t9 # (field_idx, new_val, referrer, Thread*, $sp)
move $a3, rSELF # pass Thread::Current
RETURN_IF_ZERO
END art_quick_set16_static
/*
* Called by managed code to resolve a static field and store a 32-bit primitive value.
*/
.extern artSet32StaticFromCode
ENTRY art_quick_set32_static
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artSet32StaticFromCode
jalr $t9 # (field_idx, new_val, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_ZERO
END art_quick_set32_static
/*
* Called by managed code to resolve a static field and store a 64-bit primitive value.
*/
.extern artSet64StaticFromCode
ENTRY art_quick_set64_static
lw $a1, 0($sp) # pass referrer's Method*
# 64 bit new_val is in a2:a3 pair
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artSet64StaticFromCode
jalr $t9 # (field_idx, referrer, new_val, Thread*)
sw rSELF, 16($sp) # pass Thread::Current
RETURN_IF_ZERO
END art_quick_set64_static
/*
* Called by managed code to resolve a static field and store an object reference.
*/
.extern artSetObjStaticFromCode
ENTRY art_quick_set_obj_static
lw $a2, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artSetObjStaticFromCode
jalr $t9 # (field_idx, new_val, referrer, Thread*)
move $a3, rSELF # pass Thread::Current
RETURN_IF_ZERO
END art_quick_set_obj_static
/*
* Called by managed code to resolve an instance field and store a 8-bit primitive value.
*/
.extern artSet8InstanceFromCode
ENTRY art_quick_set8_instance
lw $a3, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artSet8InstanceFromCode
jalr $t9 # (field_idx, Object*, new_val, referrer, Thread*)
sw rSELF, 16($sp) # pass Thread::Current
RETURN_IF_ZERO
END art_quick_set8_instance
/*
* Called by managed code to resolve an instance field and store a 16-bit primitive value.
*/
.extern artSet16InstanceFromCode
ENTRY art_quick_set16_instance
lw $a3, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artSet16InstanceFromCode
jalr $t9 # (field_idx, Object*, new_val, referrer, Thread*)
sw rSELF, 16($sp) # pass Thread::Current
RETURN_IF_ZERO
END art_quick_set16_instance
/*
* Called by managed code to resolve an instance field and store a 32-bit primitive value.
*/
.extern artSet32InstanceFromCode
ENTRY art_quick_set32_instance
lw $a3, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artSet32InstanceFromCode
jalr $t9 # (field_idx, Object*, new_val, referrer, Thread*)
sw rSELF, 16($sp) # pass Thread::Current
RETURN_IF_ZERO
END art_quick_set32_instance
/*
* Called by managed code to resolve an instance field and store a 64-bit primitive value.
*/
.extern artSet64InstanceFromCode
ENTRY art_quick_set64_instance
lw $t1, 0($sp) # load referrer's Method*
# 64 bit new_val is in a2:a3 pair
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
sw rSELF, 20($sp) # pass Thread::Current
la $t9, artSet64InstanceFromCode
jalr $t9 # (field_idx, Object*, new_val, referrer, Thread*)
sw $t1, 16($sp) # pass referrer's Method*
RETURN_IF_ZERO
END art_quick_set64_instance
/*
* Called by managed code to resolve an instance field and store an object reference.
*/
.extern artSetObjInstanceFromCode
ENTRY art_quick_set_obj_instance
lw $a3, 0($sp) # pass referrer's Method*
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, artSetObjInstanceFromCode
jalr $t9 # (field_idx, Object*, new_val, referrer, Thread*)
sw rSELF, 16($sp) # pass Thread::Current
RETURN_IF_ZERO
END art_quick_set_obj_instance
// Macro to facilitate adding new allocation entrypoints.
.macro ONE_ARG_DOWNCALL name, entrypoint, return
.extern \entrypoint
ENTRY \name
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, \entrypoint
jalr $t9
move $a1, rSELF # pass Thread::Current
\return
END \name
.endm
.macro TWO_ARG_DOWNCALL name, entrypoint, return
.extern \entrypoint
ENTRY \name
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, \entrypoint
jalr $t9
move $a2, rSELF # pass Thread::Current
\return
END \name
.endm
.macro THREE_ARG_DOWNCALL name, entrypoint, return
.extern \entrypoint
ENTRY \name
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, \entrypoint
jalr $t9
move $a3, rSELF # pass Thread::Current
\return
END \name
.endm
.macro FOUR_ARG_DOWNCALL name, entrypoint, return
.extern \entrypoint
ENTRY \name
SETUP_SAVE_REFS_ONLY_FRAME # save callee saves in case of GC
la $t9, \entrypoint
jalr $t9
sw rSELF, 16($sp) # pass Thread::Current
\return
END \name
.endm
// Generate the allocation entrypoints for each allocator.
GENERATE_ALLOC_ENTRYPOINTS_FOR_EACH_ALLOCATOR
GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_rosalloc, RosAlloc)
GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_tlab, TLAB)
GENERATE_ALLOC_ENTRYPOINTS_ALLOC_OBJECT_RESOLVED(_region_tlab, RegionTLAB)
/*
* Entry from managed code to resolve a string, this stub will allocate a String and deliver an
* exception on error. On success the String is returned. A0 holds the string index. The fast
* path check for hit in strings cache has already been performed.
*/
ONE_ARG_DOWNCALL art_quick_resolve_string, artResolveStringFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER
/*
* Entry from managed code when uninitialized static storage, this stub will run the class
* initializer and deliver the exception on error. On success the static storage base is
* returned.
*/
ONE_ARG_DOWNCALL art_quick_initialize_static_storage, artInitializeStaticStorageFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER
/*
* Entry from managed code when dex cache misses for a type_idx.
*/
ONE_ARG_DOWNCALL art_quick_initialize_type, artInitializeTypeFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER
/*
* Entry from managed code when type_idx needs to be checked for access and dex cache may also
* miss.
*/
ONE_ARG_DOWNCALL art_quick_initialize_type_and_verify_access, artInitializeTypeAndVerifyAccessFromCode, RETURN_IF_RESULT_IS_NON_ZERO_OR_DELIVER
/*
* Called by managed code when the value in rSUSPEND has been decremented to 0.
*/
.extern artTestSuspendFromCode
ENTRY_NO_GP art_quick_test_suspend
lh rSUSPEND, THREAD_FLAGS_OFFSET(rSELF)
bnez rSUSPEND, 1f
addiu rSUSPEND, $zero, SUSPEND_CHECK_INTERVAL # reset rSUSPEND to SUSPEND_CHECK_INTERVAL
jalr $zero, $ra
nop
1:
SETUP_SAVE_EVERYTHING_FRAME # save everything for stack crawl
la $t9, artTestSuspendFromCode
jalr $t9 # (Thread*)
move $a0, rSELF
RESTORE_SAVE_EVERYTHING_FRAME
jalr $zero, $ra
nop
END art_quick_test_suspend
/*
* Called by managed code that is attempting to call a method on a proxy class. On entry
* a0 holds the proxy method; a1, a2 and a3 may contain arguments.
*/
.extern artQuickProxyInvokeHandler
ENTRY art_quick_proxy_invoke_handler
SETUP_SAVE_REFS_AND_ARGS_FRAME_WITH_METHOD_IN_A0
move $a2, rSELF # pass Thread::Current
la $t9, artQuickProxyInvokeHandler
jalr $t9 # (Method* proxy method, receiver, Thread*, SP)
addiu $a3, $sp, ARG_SLOT_SIZE # pass $sp (remove arg slots)
lw $t7, THREAD_EXCEPTION_OFFSET(rSELF) # load Thread::Current()->exception_
RESTORE_SAVE_REFS_AND_ARGS_FRAME
bnez $t7, 1f
# don't care if $v0 and/or $v1 are modified, when exception branch taken
MTD $v0, $v1, $f0, $f1 # move float value to return value
jalr $zero, $ra
nop
1:
DELIVER_PENDING_EXCEPTION
END art_quick_proxy_invoke_handler
/*
* Called to resolve an imt conflict.
* a0 is the conflict ArtMethod.
* t7 is a hidden argument that holds the target interface method's dex method index.
*
* Note that this stub writes to a0, t7 and t8.
*/
ENTRY art_quick_imt_conflict_trampoline
lw $t8, 0($sp) # Load referrer.
lw $t8, ART_METHOD_DEX_CACHE_METHODS_OFFSET_32($t8) # Load dex cache methods array.
sll $t7, $t7, POINTER_SIZE_SHIFT # Calculate offset.
addu $t7, $t8, $t7 # Add offset to base.
lw $t7, 0($t7) # Load interface method.
lw $a0, ART_METHOD_JNI_OFFSET_32($a0) # Load ImtConflictTable.
.Limt_table_iterate:
lw $t8, 0($a0) # Load next entry in ImtConflictTable.
# Branch if found.
beq $t8, $t7, .Limt_table_found
nop
# If the entry is null, the interface method is not in the ImtConflictTable.
beqz $t8, .Lconflict_trampoline
nop
# Iterate over the entries of the ImtConflictTable.
b .Limt_table_iterate
addiu $a0, $a0, 2 * __SIZEOF_POINTER__ # Iterate to the next entry.
.Limt_table_found:
# We successfully hit an entry in the table. Load the target method and jump to it.
lw $a0, __SIZEOF_POINTER__($a0)
lw $t9, ART_METHOD_QUICK_CODE_OFFSET_32($a0)
jalr $zero, $t9
nop
.Lconflict_trampoline:
# Call the runtime stub to populate the ImtConflictTable and jump to the resolved method.
INVOKE_TRAMPOLINE_BODY artInvokeInterfaceTrampoline
END art_quick_imt_conflict_trampoline
.extern artQuickResolutionTrampoline
ENTRY art_quick_resolution_trampoline
SETUP_SAVE_REFS_AND_ARGS_FRAME
move $a2, rSELF # pass Thread::Current
la $t9, artQuickResolutionTrampoline
jalr $t9 # (Method* called, receiver, Thread*, SP)
addiu $a3, $sp, ARG_SLOT_SIZE # pass $sp (remove arg slots)
beqz $v0, 1f
lw $a0, ARG_SLOT_SIZE($sp) # load resolved method to $a0
RESTORE_SAVE_REFS_AND_ARGS_FRAME
move $t9, $v0 # code pointer must be in $t9 to generate the global pointer
jalr $zero, $t9 # tail call to method
nop
1:
RESTORE_SAVE_REFS_AND_ARGS_FRAME
DELIVER_PENDING_EXCEPTION
END art_quick_resolution_trampoline
.extern artQuickGenericJniTrampoline
.extern artQuickGenericJniEndTrampoline
ENTRY art_quick_generic_jni_trampoline
SETUP_SAVE_REFS_AND_ARGS_FRAME_WITH_METHOD_IN_A0
move $s8, $sp # save $sp to $s8
move $s3, $gp # save $gp to $s3
# prepare for call to artQuickGenericJniTrampoline(Thread*, SP)
move $a0, rSELF # pass Thread::Current
addiu $a1, $sp, ARG_SLOT_SIZE # save $sp (remove arg slots)
la $t9, artQuickGenericJniTrampoline
jalr $t9 # (Thread*, SP)
addiu $sp, $sp, -5120 # reserve space on the stack
# The C call will have registered the complete save-frame on success.
# The result of the call is:
# v0: ptr to native code, 0 on error.
# v1: ptr to the bottom of the used area of the alloca, can restore stack till here.
beq $v0, $zero, 2f # check entry error
move $t9, $v0 # save the code ptr
move $sp, $v1 # release part of the alloca
# Load parameters from stack into registers
lw $a0, 0($sp)
lw $a1, 4($sp)
lw $a2, 8($sp)
lw $a3, 12($sp)
# artQuickGenericJniTrampoline sets bit 0 of the native code address to 1
# when the first two arguments are both single precision floats. This lets
# us extract them properly from the stack and load into floating point
# registers.
MTD $a0, $a1, $f12, $f13
andi $t0, $t9, 1
xor $t9, $t9, $t0
bnez $t0, 1f
mtc1 $a1, $f14
MTD $a2, $a3, $f14, $f15
1:
jalr $t9 # native call
nop
addiu $sp, $sp, 16 # remove arg slots
move $gp, $s3 # restore $gp from $s3
# result sign extension is handled in C code
# prepare for call to artQuickGenericJniEndTrampoline(Thread*, result, result_f)
move $a0, rSELF # pass Thread::Current
move $a2, $v0 # pass result
move $a3, $v1
addiu $sp, $sp, -24 # reserve arg slots
la $t9, artQuickGenericJniEndTrampoline
jalr $t9
s.d $f0, 16($sp) # pass result_f
lw $t0, THREAD_EXCEPTION_OFFSET(rSELF) # load Thread::Current()->exception_
bne $t0, $zero, 2f # check for pending exceptions
move $sp, $s8 # tear down the alloca
# tear down the callee-save frame
RESTORE_SAVE_REFS_AND_ARGS_FRAME
MTD $v0, $v1, $f0, $f1 # move float value to return value
jalr $zero, $ra
nop
2:
lw $sp, THREAD_TOP_QUICK_FRAME_OFFSET(rSELF)
# This will create a new save-all frame, required by the runtime.
DELIVER_PENDING_EXCEPTION
END art_quick_generic_jni_trampoline
.extern artQuickToInterpreterBridge
ENTRY art_quick_to_interpreter_bridge
SETUP_SAVE_REFS_AND_ARGS_FRAME
move $a1, rSELF # pass Thread::Current
la $t9, artQuickToInterpreterBridge
jalr $t9 # (Method* method, Thread*, SP)
addiu $a2, $sp, ARG_SLOT_SIZE # pass $sp (remove arg slots)
lw $t7, THREAD_EXCEPTION_OFFSET(rSELF) # load Thread::Current()->exception_
RESTORE_SAVE_REFS_AND_ARGS_FRAME
bnez $t7, 1f
# don't care if $v0 and/or $v1 are modified, when exception branch taken
MTD $v0, $v1, $f0, $f1 # move float value to return value
jalr $zero, $ra
nop
1:
DELIVER_PENDING_EXCEPTION
END art_quick_to_interpreter_bridge
/*
* Routine that intercepts method calls and returns.
*/
.extern artInstrumentationMethodEntryFromCode
.extern artInstrumentationMethodExitFromCode
ENTRY art_quick_instrumentation_entry
SETUP_SAVE_REFS_AND_ARGS_FRAME
sw $a0, 28($sp) # save arg0 in free arg slot
move $a3, $ra # pass $ra
la $t9, artInstrumentationMethodEntryFromCode
jalr $t9 # (Method*, Object*, Thread*, LR)
move $a2, rSELF # pass Thread::Current
move $t9, $v0 # $t9 holds reference to code
lw $a0, 28($sp) # restore arg0 from free arg slot
RESTORE_SAVE_REFS_AND_ARGS_FRAME
jalr $t9 # call method
nop
END art_quick_instrumentation_entry
/* intentional fallthrough */
.global art_quick_instrumentation_exit
art_quick_instrumentation_exit:
.cfi_startproc
addiu $t9, $ra, 4 # put current address into $t9 to rebuild $gp
.cpload $t9
move $ra, $zero # link register is to here, so clobber with 0 for later checks
SETUP_SAVE_REFS_ONLY_FRAME
addiu $sp, $sp, -16 # allocate temp storage on the stack
.cfi_adjust_cfa_offset 16
sw $v0, ARG_SLOT_SIZE+12($sp)
.cfi_rel_offset 2, ARG_SLOT_SIZE+12
sw $v1, ARG_SLOT_SIZE+8($sp)
.cfi_rel_offset 3, ARG_SLOT_SIZE+8
s.d $f0, ARG_SLOT_SIZE($sp)
s.d $f0, 16($sp) # pass fpr result
move $a2, $v0 # pass gpr result
move $a3, $v1
addiu $a1, $sp, ARG_SLOT_SIZE+16 # pass $sp (remove arg slots and temp storage)
la $t9, artInstrumentationMethodExitFromCode
jalr $t9 # (Thread*, SP, gpr_res, fpr_res)
move $a0, rSELF # pass Thread::Current
move $t9, $v0 # set aside returned link register
move $ra, $v1 # set link register for deoptimization
lw $v0, ARG_SLOT_SIZE+12($sp) # restore return values
lw $v1, ARG_SLOT_SIZE+8($sp)
l.d $f0, ARG_SLOT_SIZE($sp)
jalr $zero, $t9 # return
addiu $sp, $sp, ARG_SLOT_SIZE+FRAME_SIZE_SAVE_REFS_ONLY+16 # restore stack
.cfi_adjust_cfa_offset -(ARG_SLOT_SIZE+FRAME_SIZE_SAVE_REFS_ONLY+16)
END art_quick_instrumentation_exit
/*
* Instrumentation has requested that we deoptimize into the interpreter. The deoptimization
* will long jump to the upcall with a special exception of -1.
*/
.extern artDeoptimize
ENTRY art_quick_deoptimize
SETUP_SAVE_ALL_CALLEE_SAVES_FRAME
la $t9, artDeoptimize
jalr $t9 # artDeoptimize(Thread*)
# Returns caller method's frame size.
move $a0, rSELF # pass Thread::current
END art_quick_deoptimize
/*
* Compiled code has requested that we deoptimize into the interpreter. The deoptimization
* will long jump to the upcall with a special exception of -1.
*/
.extern artDeoptimizeFromCompiledCode
ENTRY art_quick_deoptimize_from_compiled_code
SETUP_SAVE_EVERYTHING_FRAME
la $t9, artDeoptimizeFromCompiledCode
jalr $t9 # artDeoptimizeFromCompiledCode(Thread*)
# Returns caller method's frame size.
move $a0, rSELF # pass Thread::current
END art_quick_deoptimize_from_compiled_code
/*
* Long integer shift. This is different from the generic 32/64-bit
* binary operations because vAA/vBB are 64-bit but vCC (the shift
* distance) is 32-bit. Also, Dalvik requires us to ignore all but the low
* 6 bits.
* On entry:
* $a0: low word
* $a1: high word
* $a2: shift count
*/
ENTRY_NO_GP art_quick_shl_long
/* shl-long vAA, vBB, vCC */
sll $v0, $a0, $a2 # rlo<- alo << (shift&31)
not $v1, $a2 # rhi<- 31-shift (shift is 5b)
srl $a0, 1
srl $a0, $v1 # alo<- alo >> (32-(shift&31))
sll $v1, $a1, $a2 # rhi<- ahi << (shift&31)
andi $a2, 0x20 # shift< shift & 0x20
beqz $a2, 1f
or $v1, $a0 # rhi<- rhi | alo
move $v1, $v0 # rhi<- rlo (if shift&0x20)
move $v0, $zero # rlo<- 0 (if shift&0x20)
1: jalr $zero, $ra
nop
END art_quick_shl_long
/*
* Long integer shift. This is different from the generic 32/64-bit
* binary operations because vAA/vBB are 64-bit but vCC (the shift
* distance) is 32-bit. Also, Dalvik requires us to ignore all but the low
* 6 bits.
* On entry:
* $a0: low word
* $a1: high word
* $a2: shift count
*/
ENTRY_NO_GP art_quick_shr_long
sra $v1, $a1, $a2 # rhi<- ahi >> (shift&31)
srl $v0, $a0, $a2 # rlo<- alo >> (shift&31)
sra $a3, $a1, 31 # $a3<- sign(ah)
not $a0, $a2 # alo<- 31-shift (shift is 5b)
sll $a1, 1
sll $a1, $a0 # ahi<- ahi << (32-(shift&31))
andi $a2, 0x20 # shift & 0x20
beqz $a2, 1f
or $v0, $a1 # rlo<- rlo | ahi
move $v0, $v1 # rlo<- rhi (if shift&0x20)
move $v1, $a3 # rhi<- sign(ahi) (if shift&0x20)
1: jalr $zero, $ra
nop
END art_quick_shr_long
/*
* Long integer shift. This is different from the generic 32/64-bit
* binary operations because vAA/vBB are 64-bit but vCC (the shift
* distance) is 32-bit. Also, Dalvik requires us to ignore all but the low
* 6 bits.
* On entry:
* $a0: low word
* $a1: high word
* $a2: shift count
*/
/* ushr-long vAA, vBB, vCC */
ENTRY_NO_GP art_quick_ushr_long
srl $v1, $a1, $a2 # rhi<- ahi >> (shift&31)
srl $v0, $a0, $a2 # rlo<- alo >> (shift&31)
not $a0, $a2 # alo<- 31-shift (shift is 5b)
sll $a1, 1
sll $a1, $a0 # ahi<- ahi << (32-(shift&31))
andi $a2, 0x20 # shift & 0x20
beqz $a2, 1f
or $v0, $a1 # rlo<- rlo | ahi
move $v0, $v1 # rlo<- rhi (if shift&0x20)
move $v1, $zero # rhi<- 0 (if shift&0x20)
1: jalr $zero, $ra
nop
END art_quick_ushr_long
/* java.lang.String.indexOf(int ch, int fromIndex=0) */
ENTRY_NO_GP art_quick_indexof
/* $a0 holds address of "this" */
/* $a1 holds "ch" */
/* $a2 holds "fromIndex" */
lw $t0, MIRROR_STRING_COUNT_OFFSET($a0) # this.length()
slt $t1, $a2, $zero # if fromIndex < 0
#if defined(_MIPS_ARCH_MIPS32R6) || defined(_MIPS_ARCH_MIPS64R6)
seleqz $a2, $a2, $t1 # fromIndex = 0;
#else
movn $a2, $zero, $t1 # fromIndex = 0;
#endif
subu $t0, $t0, $a2 # this.length() - fromIndex
blez $t0, 6f # if this.length()-fromIndex <= 0
li $v0, -1 # return -1;
sll $v0, $a2, 1 # $a0 += $a2 * 2
addu $a0, $a0, $v0 # " ditto "
move $v0, $a2 # Set i to fromIndex.
1:
lhu $t3, MIRROR_STRING_VALUE_OFFSET($a0) # if this.charAt(i) == ch
beq $t3, $a1, 6f # return i;
addu $a0, $a0, 2 # i++
subu $t0, $t0, 1 # this.length() - i
bnez $t0, 1b # while this.length() - i > 0
addu $v0, $v0, 1 # i++
li $v0, -1 # if this.length() - i <= 0
# return -1;
6:
j $ra
nop
END art_quick_indexof
/* java.lang.String.compareTo(String anotherString) */
ENTRY_NO_GP art_quick_string_compareto
/* $a0 holds address of "this" */
/* $a1 holds address of "anotherString" */
beq $a0, $a1, 9f # this and anotherString are the same object
move $v0, $zero
lw $a2, MIRROR_STRING_COUNT_OFFSET($a0) # this.length()
lw $a3, MIRROR_STRING_COUNT_OFFSET($a1) # anotherString.length()
MINu $t2, $a2, $a3
# $t2 now holds min(this.length(),anotherString.length())
beqz $t2, 9f # while min(this.length(),anotherString.length())-i != 0
subu $v0, $a2, $a3 # if $t2==0 return
# (this.length() - anotherString.length())
1:
lhu $t0, MIRROR_STRING_VALUE_OFFSET($a0) # while this.charAt(i) == anotherString.charAt(i)
lhu $t1, MIRROR_STRING_VALUE_OFFSET($a1)
bne $t0, $t1, 9f # if this.charAt(i) != anotherString.charAt(i)
subu $v0, $t0, $t1 # return (this.charAt(i) - anotherString.charAt(i))
addiu $a0, $a0, 2 # point at this.charAt(i++)
subu $t2, $t2, 1 # new value of
# min(this.length(),anotherString.length())-i
bnez $t2, 1b
addiu $a1, $a1, 2 # point at anotherString.charAt(i++)
subu $v0, $a2, $a3
9:
j $ra
nop
END art_quick_string_compareto
.extern artInvokePolymorphic
ENTRY art_quick_invoke_polymorphic
SETUP_SAVE_REFS_AND_ARGS_FRAME
move $a2, rSELF # Make $a2 an alias for the current Thread.
addiu $a3, $sp, ARG_SLOT_SIZE # Make $a3 a pointer to the saved frame context.
sw $zero, 20($sp) # Initialize JValue result.
sw $zero, 16($sp)
la $t9, artInvokePolymorphic
jalr $t9 # (result, receiver, Thread*, context)
addiu $a0, $sp, 16 # Make $a0 a pointer to the JValue result
.macro MATCH_RETURN_TYPE c, handler
li $t0, \c
beq $v0, $t0, \handler
.endm
MATCH_RETURN_TYPE 'V', .Lcleanup_and_return
MATCH_RETURN_TYPE 'L', .Lstore_int_result
MATCH_RETURN_TYPE 'I', .Lstore_int_result
MATCH_RETURN_TYPE 'J', .Lstore_long_result
MATCH_RETURN_TYPE 'B', .Lstore_int_result
MATCH_RETURN_TYPE 'C', .Lstore_char_result
MATCH_RETURN_TYPE 'D', .Lstore_double_result
MATCH_RETURN_TYPE 'F', .Lstore_float_result
MATCH_RETURN_TYPE 'S', .Lstore_int_result
MATCH_RETURN_TYPE 'Z', .Lstore_boolean_result
.purgem MATCH_RETURN_TYPE
nop
b .Lcleanup_and_return
nop
.Lstore_boolean_result:
b .Lcleanup_and_return
lbu $v0, 16($sp) # Move byte from JValue result to return value register.
.Lstore_char_result:
b .Lcleanup_and_return
lhu $v0, 16($sp) # Move char from JValue result to return value register.
.Lstore_double_result:
.Lstore_float_result:
LDu $f0, $f1, 16, $sp, $t0 # Move double/float from JValue result to return value register.
b .Lcleanup_and_return
nop
.Lstore_long_result:
lw $v1, 20($sp) # Move upper bits from JValue result to return value register.
// Fall-through for lower bits.
.Lstore_int_result:
lw $v0, 16($sp) # Move lower bits from JValue result to return value register.
// Fall-through to clean up and return.
.Lcleanup_and_return:
lw $t7, THREAD_EXCEPTION_OFFSET(rSELF) # Load Thread::Current()->exception_
RESTORE_SAVE_REFS_AND_ARGS_FRAME
bnez $t7, 1f # Success if no exception is pending.
nop
jalr $zero, $ra
nop
1:
DELIVER_PENDING_EXCEPTION
END art_quick_invoke_polymorphic