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%def const(helper="UndefinedConstHandler"):
/* const/class vAA, type@BBBB */
/* const/method-handle vAA, method_handle@BBBB */
/* const/method-type vAA, proto@BBBB */
/* const/string vAA, string@@BBBB */
.extern $helper
EXPORT_PC
movzwq 2(rPC), OUT_ARG0 # eax <- OUT_ARG0
movq rINSTq, OUT_ARG1
leaq OFF_FP_SHADOWFRAME(rFP), OUT_ARG2
movq rSELF, OUT_ARG3
call SYMBOL($helper) # (index, tgt_reg, shadow_frame, self)
testb %al, %al
jnz MterpPossibleException
ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
%def unused():
/*
* Bail to reference interpreter to throw.
*/
jmp MterpFallback
%def op_const():
/* const vAA, #+BBBBbbbb */
movl 2(rPC), %eax # grab all 32 bits at once
SET_VREG %eax, rINSTq # vAA<- eax
ADVANCE_PC_FETCH_AND_GOTO_NEXT 3
%def op_const_16():
/* const/16 vAA, #+BBBB */
movswl 2(rPC), %ecx # ecx <- ssssBBBB
SET_VREG %ecx, rINSTq # vAA <- ssssBBBB
ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
%def op_const_4():
/* const/4 vA, #+B */
movsbl rINSTbl, %eax # eax <-ssssssBx
movl $$0xf, rINST
andl %eax, rINST # rINST <- A
sarl $$4, %eax
SET_VREG %eax, rINSTq
ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
%def op_const_class():
% const(helper="MterpConstClass")
%def op_const_high16():
/* const/high16 vAA, #+BBBB0000 */
movzwl 2(rPC), %eax # eax <- 0000BBBB
sall $$16, %eax # eax <- BBBB0000
SET_VREG %eax, rINSTq # vAA <- eax
ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
%def op_const_method_handle():
% const(helper="MterpConstMethodHandle")
%def op_const_method_type():
% const(helper="MterpConstMethodType")
%def op_const_string():
% const(helper="MterpConstString")
%def op_const_string_jumbo():
/* const/string vAA, String@BBBBBBBB */
EXPORT_PC
movl 2(rPC), OUT_32_ARG0 # OUT_32_ARG0 <- BBBB
movq rINSTq, OUT_ARG1
leaq OFF_FP_SHADOWFRAME(rFP), OUT_ARG2
movq rSELF, OUT_ARG3
call SYMBOL(MterpConstString) # (index, tgt_reg, shadow_frame, self)
testb %al, %al
jnz MterpPossibleException
ADVANCE_PC_FETCH_AND_GOTO_NEXT 3
%def op_const_wide():
/* const-wide vAA, #+HHHHhhhhBBBBbbbb */
movq 2(rPC), %rax # rax <- HHHHhhhhBBBBbbbb
SET_WIDE_VREG %rax, rINSTq
ADVANCE_PC_FETCH_AND_GOTO_NEXT 5
%def op_const_wide_16():
/* const-wide/16 vAA, #+BBBB */
movswq 2(rPC), %rax # rax <- ssssBBBB
SET_WIDE_VREG %rax, rINSTq # store
ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
%def op_const_wide_32():
/* const-wide/32 vAA, #+BBBBbbbb */
movslq 2(rPC), %rax # eax <- ssssssssBBBBbbbb
SET_WIDE_VREG %rax, rINSTq # store
ADVANCE_PC_FETCH_AND_GOTO_NEXT 3
%def op_const_wide_high16():
/* const-wide/high16 vAA, #+BBBB000000000000 */
movzwq 2(rPC), %rax # eax <- 0000BBBB
salq $$48, %rax # eax <- BBBB0000
SET_WIDE_VREG %rax, rINSTq # v[AA+0] <- eax
ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
%def op_monitor_enter():
/*
* Synchronize on an object.
*/
/* monitor-enter vAA */
EXPORT_PC
GET_VREG OUT_32_ARG0, rINSTq
movq rSELF, OUT_ARG1
call SYMBOL(artLockObjectFromCode) # (object, self)
testq %rax, %rax
jnz MterpException
ADVANCE_PC 1
movq rSELF, %rax
cmpb LITERAL(0), THREAD_USE_MTERP_OFFSET(%rax)
jz MterpFallback
FETCH_INST
GOTO_NEXT
%def op_monitor_exit():
/*
* Unlock an object.
*
* Exceptions that occur when unlocking a monitor need to appear as
* if they happened at the following instruction. See the Dalvik
* instruction spec.
*/
/* monitor-exit vAA */
EXPORT_PC
GET_VREG OUT_32_ARG0, rINSTq
movq rSELF, OUT_ARG1
call SYMBOL(artUnlockObjectFromCode) # (object, self)
testq %rax, %rax
jnz MterpException
ADVANCE_PC 1
movq rSELF, %rax
cmpb LITERAL(0), THREAD_USE_MTERP_OFFSET(%rax)
jz MterpFallback
FETCH_INST
GOTO_NEXT
%def op_move(is_object="0"):
/* for move, move-object, long-to-int */
/* op vA, vB */
movl rINST, %eax # eax <- BA
andb $$0xf, %al # eax <- A
shrl $$4, rINST # rINST <- B
GET_VREG %edx, rINSTq
.if $is_object
SET_VREG_OBJECT %edx, %rax # fp[A] <- fp[B]
.else
SET_VREG %edx, %rax # fp[A] <- fp[B]
.endif
ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
%def op_move_16(is_object="0"):
/* for: move/16, move-object/16 */
/* op vAAAA, vBBBB */
movzwq 4(rPC), %rcx # ecx <- BBBB
movzwq 2(rPC), %rax # eax <- AAAA
GET_VREG %edx, %rcx
.if $is_object
SET_VREG_OBJECT %edx, %rax # fp[A] <- fp[B]
.else
SET_VREG %edx, %rax # fp[A] <- fp[B]
.endif
ADVANCE_PC_FETCH_AND_GOTO_NEXT 3
%def op_move_exception():
/* move-exception vAA */
movq rSELF, %rcx
movl THREAD_EXCEPTION_OFFSET(%rcx), %eax
SET_VREG_OBJECT %eax, rINSTq # fp[AA] <- exception object
movl $$0, THREAD_EXCEPTION_OFFSET(%rcx)
ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
%def op_move_from16(is_object="0"):
/* for: move/from16, move-object/from16 */
/* op vAA, vBBBB */
movzwq 2(rPC), %rax # eax <- BBBB
GET_VREG %edx, %rax # edx <- fp[BBBB]
.if $is_object
SET_VREG_OBJECT %edx, rINSTq # fp[A] <- fp[B]
.else
SET_VREG %edx, rINSTq # fp[A] <- fp[B]
.endif
ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
%def op_move_object():
% op_move(is_object="1")
%def op_move_object_16():
% op_move_16(is_object="1")
%def op_move_object_from16():
% op_move_from16(is_object="1")
%def op_move_result(is_object="0"):
/* for: move-result, move-result-object */
/* op vAA */
movq OFF_FP_RESULT_REGISTER(rFP), %rax # get pointer to result JType.
movl (%rax), %eax # r0 <- result.i.
.if $is_object
SET_VREG_OBJECT %eax, rINSTq # fp[A] <- fp[B]
.else
SET_VREG %eax, rINSTq # fp[A] <- fp[B]
.endif
ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
%def op_move_result_object():
% op_move_result(is_object="1")
%def op_move_result_wide():
/* move-result-wide vAA */
movq OFF_FP_RESULT_REGISTER(rFP), %rax # get pointer to result JType.
movq (%rax), %rdx # Get wide
SET_WIDE_VREG %rdx, rINSTq # v[AA] <- rdx
ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
%def op_move_wide():
/* move-wide vA, vB */
/* NOTE: regs can overlap, e.g. "move v6,v7" or "move v7,v6" */
movl rINST, %ecx # ecx <- BA
sarl $$4, rINST # rINST <- B
andb $$0xf, %cl # ecx <- A
GET_WIDE_VREG %rdx, rINSTq # rdx <- v[B]
SET_WIDE_VREG %rdx, %rcx # v[A] <- rdx
ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
%def op_move_wide_16():
/* move-wide/16 vAAAA, vBBBB */
/* NOTE: regs can overlap, e.g. "move v6,v7" or "move v7,v6" */
movzwq 4(rPC), %rcx # ecx<- BBBB
movzwq 2(rPC), %rax # eax<- AAAA
GET_WIDE_VREG %rdx, %rcx # rdx <- v[B]
SET_WIDE_VREG %rdx, %rax # v[A] <- rdx
ADVANCE_PC_FETCH_AND_GOTO_NEXT 3
%def op_move_wide_from16():
/* move-wide/from16 vAA, vBBBB */
/* NOTE: regs can overlap, e.g. "move v6,v7" or "move v7,v6" */
movzwl 2(rPC), %ecx # ecx <- BBBB
GET_WIDE_VREG %rdx, %rcx # rdx <- v[B]
SET_WIDE_VREG %rdx, rINSTq # v[A] <- rdx
ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
%def op_nop():
ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
%def op_unused_3e():
% unused()
%def op_unused_3f():
% unused()
%def op_unused_40():
% unused()
%def op_unused_41():
% unused()
%def op_unused_42():
% unused()
%def op_unused_43():
% unused()
%def op_unused_73():
% unused()
%def op_unused_79():
% unused()
%def op_unused_7a():
% unused()
%def op_unused_e3():
% unused()
%def op_unused_e4():
% unused()
%def op_unused_e5():
% unused()
%def op_unused_e6():
% unused()
%def op_unused_e7():
% unused()
%def op_unused_e8():
% unused()
%def op_unused_e9():
% unused()
%def op_unused_ea():
% unused()
%def op_unused_eb():
% unused()
%def op_unused_ec():
% unused()
%def op_unused_ed():
% unused()
%def op_unused_ee():
% unused()
%def op_unused_ef():
% unused()
%def op_unused_f0():
% unused()
%def op_unused_f1():
% unused()
%def op_unused_f2():
% unused()
%def op_unused_f3():
% unused()
%def op_unused_f4():
% unused()
%def op_unused_f5():
% unused()
%def op_unused_f6():
% unused()
%def op_unused_f7():
% unused()
%def op_unused_f8():
% unused()
%def op_unused_f9():
% unused()
%def op_unused_fc():
% unused()
%def op_unused_fd():
% unused()