You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
172 lines
7.4 KiB
172 lines
7.4 KiB
4 months ago
|
%def op_aget(load="ldr", shift="2", data_offset="MIRROR_INT_ARRAY_DATA_OFFSET", wide="0", is_object="0"):
|
||
|
|
/*
|
||
|
|
* Array get. vAA <- vBB[vCC].
|
||
|
|
*
|
||
|
|
* for: aget, aget-boolean, aget-byte, aget-char, aget-short, aget-wide, aget-object
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
FETCH_B r2, 1, 0 @ r2<- BB
|
||
|
|
mov r4, rINST, lsr #8 @ r4<- AA
|
||
|
|
FETCH_B r3, 1, 1 @ r3<- CC
|
||
|
|
GET_VREG r0, r2 @ r0<- vBB (array object)
|
||
|
|
GET_VREG r1, r3 @ r1<- vCC (requested index)
|
||
|
|
cmp r0, #0 @ null array object?
|
||
|
|
beq common_errNullObject @ yes, bail
|
||
|
|
ldr r3, [r0, #MIRROR_ARRAY_LENGTH_OFFSET] @ r3<- arrayObj->length
|
||
|
|
add r0, r0, r1, lsl #$shift @ r0<- arrayObj + index*width
|
||
|
|
cmp r1, r3 @ compare unsigned index, length
|
||
|
|
bcs common_errArrayIndex @ index >= length, bail
|
||
|
|
FETCH_ADVANCE_INST 2 @ advance rPC, load rINST
|
||
|
|
.if $wide
|
||
|
|
CLEAR_SHADOW_PAIR r4, lr, ip @ Zero out the shadow regs
|
||
|
|
ldrd r2, [r0, #$data_offset] @ r2/r3<- vBB[vCC]
|
||
|
|
VREG_INDEX_TO_ADDR r4, r4 @ r4<- &fp[AA]
|
||
|
|
GET_INST_OPCODE ip @ extract opcode from rINST
|
||
|
|
SET_VREG_WIDE_BY_ADDR r2, r3, r4 @ vAA/vAA+1<- r2/r3
|
||
|
|
GOTO_OPCODE ip @ jump to next instruction
|
||
|
|
.elseif $is_object
|
||
|
|
$load r2, [r0, #$data_offset] @ w2<- vBB[vCC]
|
||
|
|
cmp rMR, #0
|
||
|
|
bne 2f
|
||
|
|
1:
|
||
|
|
GET_INST_OPCODE ip @ extract opcode from rINST
|
||
|
|
SET_VREG_OBJECT r2, r4 @ vAA<- w2
|
||
|
|
GOTO_OPCODE ip @ jump to next instruction
|
||
|
|
2:
|
||
|
|
bl art_quick_read_barrier_mark_reg02
|
||
|
|
b 1b
|
||
|
|
.else
|
||
|
|
GET_INST_OPCODE ip @ extract opcode from rINST
|
||
|
|
$load r2, [r0, #$data_offset] @ r2<- vBB[vCC]
|
||
|
|
SET_VREG r2, r4 @ vAA<- r2
|
||
|
|
GOTO_OPCODE ip @ jump to next instruction
|
||
|
|
.endif
|
||
|
|
|
||
|
|
%def op_aget_boolean():
|
||
|
|
% op_aget(load="ldrb", shift="0", data_offset="MIRROR_BOOLEAN_ARRAY_DATA_OFFSET", wide="0", is_object="0")
|
||
|
|
|
||
|
|
%def op_aget_byte():
|
||
|
|
% op_aget(load="ldrsb", shift="0", data_offset="MIRROR_BYTE_ARRAY_DATA_OFFSET", wide="0", is_object="0")
|
||
|
|
|
||
|
|
%def op_aget_char():
|
||
|
|
% op_aget(load="ldrh", shift="1", data_offset="MIRROR_CHAR_ARRAY_DATA_OFFSET", wide="0", is_object="0")
|
||
|
|
|
||
|
|
%def op_aget_object():
|
||
|
|
% op_aget(load="ldr", shift="2", data_offset="MIRROR_OBJECT_ARRAY_DATA_OFFSET", wide="0", is_object="1")
|
||
|
|
|
||
|
|
%def op_aget_short():
|
||
|
|
% op_aget(load="ldrsh", shift="1", data_offset="MIRROR_SHORT_ARRAY_DATA_OFFSET", wide="0", is_object="0")
|
||
|
|
|
||
|
|
%def op_aget_wide():
|
||
|
|
% op_aget(load="ldrd", shift="3", data_offset="MIRROR_WIDE_ARRAY_DATA_OFFSET", wide="1", is_object="0")
|
||
|
|
|
||
|
|
%def op_aput(store="str", shift="2", data_offset="MIRROR_INT_ARRAY_DATA_OFFSET", wide="0", is_object="0"):
|
||
|
|
/*
|
||
|
|
* Array put. vBB[vCC] <- vAA.
|
||
|
|
*
|
||
|
|
* for: aput, aput-boolean, aput-byte, aput-char, aput-short, aput-wide, aput-object
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
FETCH_B r2, 1, 0 @ r2<- BB
|
||
|
|
mov r4, rINST, lsr #8 @ r4<- AA
|
||
|
|
FETCH_B r3, 1, 1 @ r3<- CC
|
||
|
|
GET_VREG r0, r2 @ r0<- vBB (array object)
|
||
|
|
GET_VREG r1, r3 @ r1<- vCC (requested index)
|
||
|
|
cmp r0, #0 @ null array object?
|
||
|
|
beq common_errNullObject @ yes, bail
|
||
|
|
ldr r3, [r0, #MIRROR_ARRAY_LENGTH_OFFSET] @ r3<- arrayObj->length
|
||
|
|
cmp r1, r3 @ compare unsigned index, length
|
||
|
|
bcs common_errArrayIndex @ index >= length, bail
|
||
|
|
.if $is_object
|
||
|
|
EXPORT_PC // Export PC before overwriting it.
|
||
|
|
FETCH_ADVANCE_INST 2 @ advance rPC, load rINST
|
||
|
|
GET_VREG r2, r4 @ r2<- vAA
|
||
|
|
bl art_quick_aput_obj
|
||
|
|
GET_INST_OPCODE ip @ extract opcode from rINST
|
||
|
|
.elseif $wide
|
||
|
|
add r0, r0, r1, lsl #$shift @ r0<- arrayObj + index*width
|
||
|
|
VREG_INDEX_TO_ADDR r4, r4 @ r4<- &fp[AA]
|
||
|
|
FETCH_ADVANCE_INST 2 @ advance rPC, load rINST
|
||
|
|
GET_VREG_WIDE_BY_ADDR r2, r3, r4 @ r2/r3<- vAA/vAA+1
|
||
|
|
GET_INST_OPCODE ip @ extract opcode from rINST
|
||
|
|
strd r2, [r0, #$data_offset] @ r2/r3<- vBB[vCC]
|
||
|
|
.else
|
||
|
|
add r0, r0, r1, lsl #$shift @ r0<- arrayObj + index*width
|
||
|
|
FETCH_ADVANCE_INST 2 @ advance rPC, load rINST
|
||
|
|
GET_VREG r2, r4 @ r2<- vAA
|
||
|
|
GET_INST_OPCODE ip @ extract opcode from rINST
|
||
|
|
$store r2, [r0, #$data_offset] @ vBB[vCC]<- r2
|
||
|
|
.endif
|
||
|
|
GOTO_OPCODE ip @ jump to next instruction
|
||
|
|
|
||
|
|
%def op_aput_boolean():
|
||
|
|
% op_aput(store="strb", shift="0", data_offset="MIRROR_BOOLEAN_ARRAY_DATA_OFFSET", wide="0", is_object="0")
|
||
|
|
|
||
|
|
%def op_aput_byte():
|
||
|
|
% op_aput(store="strb", shift="0", data_offset="MIRROR_BYTE_ARRAY_DATA_OFFSET", wide="0", is_object="0")
|
||
|
|
|
||
|
|
%def op_aput_char():
|
||
|
|
% op_aput(store="strh", shift="1", data_offset="MIRROR_CHAR_ARRAY_DATA_OFFSET", wide="0", is_object="0")
|
||
|
|
|
||
|
|
%def op_aput_short():
|
||
|
|
% op_aput(store="strh", shift="1", data_offset="MIRROR_SHORT_ARRAY_DATA_OFFSET", wide="0", is_object="0")
|
||
|
|
|
||
|
|
%def op_aput_wide():
|
||
|
|
% op_aput(store="str", shift="3", data_offset="MIRROR_WIDE_ARRAY_DATA_OFFSET", wide="1", is_object="0")
|
||
|
|
|
||
|
|
%def op_aput_object():
|
||
|
|
% op_aput(store="str", shift="2", data_offset="MIRROR_OBJECT_ARRAY_DATA_OFFSET", wide="0", is_object="1")
|
||
|
|
|
||
|
|
%def op_array_length():
|
||
|
|
/*
|
||
|
|
* Return the length of an array.
|
||
|
|
*/
|
||
|
|
mov r1, rINST, lsr #12 @ r1<- B
|
||
|
|
ubfx r2, rINST, #8, #4 @ r2<- A
|
||
|
|
GET_VREG r0, r1 @ r0<- vB (object ref)
|
||
|
|
cmp r0, #0 @ is object null?
|
||
|
|
beq common_errNullObject @ yup, fail
|
||
|
|
FETCH_ADVANCE_INST 1 @ advance rPC, load rINST
|
||
|
|
ldr r3, [r0, #MIRROR_ARRAY_LENGTH_OFFSET] @ r3<- array length
|
||
|
|
GET_INST_OPCODE ip @ extract opcode from rINST
|
||
|
|
SET_VREG r3, r2 @ vB<- length
|
||
|
|
GOTO_OPCODE ip @ jump to next instruction
|
||
|
|
|
||
|
|
%def op_fill_array_data():
|
||
|
|
/* fill-array-data vAA, +BBBBBBBB */
|
||
|
|
EXPORT_PC
|
||
|
|
FETCH r0, 1 @ r0<- bbbb (lo)
|
||
|
|
FETCH r1, 2 @ r1<- BBBB (hi)
|
||
|
|
mov r3, rINST, lsr #8 @ r3<- AA
|
||
|
|
orr r0, r0, r1, lsl #16 @ r0<- BBBBbbbb
|
||
|
|
GET_VREG r1, r3 @ r1<- vAA (array object)
|
||
|
|
add r0, rPC, r0, lsl #1 @ r1<- PC + BBBBbbbb*2 (array data off.)
|
||
|
|
bl art_quick_handle_fill_data @ (payload, object)
|
||
|
|
FETCH_ADVANCE_INST 3 @ advance rPC, load rINST
|
||
|
|
GET_INST_OPCODE ip @ extract opcode from rINST
|
||
|
|
GOTO_OPCODE ip @ jump to next instruction
|
||
|
|
|
||
|
|
%def op_filled_new_array(helper="nterp_filled_new_array"):
|
||
|
|
/*
|
||
|
|
* Create a new array with elements filled from registers.
|
||
|
|
*
|
||
|
|
* for: filled-new-array, filled-new-array/range
|
||
|
|
*/
|
||
|
|
/* op vB, {vD, vE, vF, vG, vA}, class@CCCC */
|
||
|
|
/* op {vCCCC..v(CCCC+AA-1)}, type@BBBB */
|
||
|
|
EXPORT_PC
|
||
|
|
mov r0, rSELF
|
||
|
|
ldr r1, [sp]
|
||
|
|
mov r2, rFP
|
||
|
|
mov r3, rPC
|
||
|
|
bl $helper
|
||
|
|
FETCH_ADVANCE_INST 3 // advance rPC, load rINST
|
||
|
|
GET_INST_OPCODE ip // extract opcode from rINST
|
||
|
|
GOTO_OPCODE ip // jump to next instruction
|
||
|
|
|
||
|
|
%def op_filled_new_array_range():
|
||
|
|
% op_filled_new_array(helper="nterp_filled_new_array_range")
|
||
|
|
|
||
|
|
%def op_new_array():
|
||
|
|
b NterpNewArray
|