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-rw-r--r--runtime/interpreter/interpreter.cc58
1 files changed, 30 insertions, 28 deletions
diff --git a/runtime/interpreter/interpreter.cc b/runtime/interpreter/interpreter.cc
index 01b7d4e457..9b81819da2 100644
--- a/runtime/interpreter/interpreter.cc
+++ b/runtime/interpreter/interpreter.cc
@@ -240,7 +240,7 @@ static constexpr InterpreterImplKind kInterpreterImplKind = kMterpImplKind;
static inline JValue Execute(
Thread* self,
- const DexFile::CodeItem* code_item,
+ const CodeItemDataAccessor& accessor,
ShadowFrame& shadow_frame,
JValue result_register,
bool stay_in_interpreter = false) REQUIRES_SHARED(Locks::mutator_lock_) {
@@ -254,11 +254,13 @@ static inline JValue Execute(
ArtMethod *method = shadow_frame.GetMethod();
if (UNLIKELY(instrumentation->HasMethodEntryListeners())) {
- instrumentation->MethodEnterEvent(self, shadow_frame.GetThisObject(code_item->ins_size_),
- method, 0);
+ instrumentation->MethodEnterEvent(self,
+ shadow_frame.GetThisObject(accessor.InsSize()),
+ method,
+ 0);
if (UNLIKELY(self->IsExceptionPending())) {
instrumentation->MethodUnwindEvent(self,
- shadow_frame.GetThisObject(code_item->ins_size_),
+ shadow_frame.GetThisObject(accessor.InsSize()),
method,
0);
return JValue();
@@ -277,7 +279,7 @@ static inline JValue Execute(
// Calculate the offset of the first input reg. The input registers are in the high regs.
// It's ok to access the code item here since JIT code will have been touched by the
// interpreter and compiler already.
- uint16_t arg_offset = code_item->registers_size_ - code_item->ins_size_;
+ uint16_t arg_offset = accessor.RegistersSize() - accessor.InsSize();
ArtInterpreterToCompiledCodeBridge(self, nullptr, &shadow_frame, arg_offset, &result);
// Push the shadow frame back as the caller will expect it.
self->PushShadowFrame(&shadow_frame);
@@ -302,27 +304,27 @@ static inline JValue Execute(
if (kInterpreterImplKind == kMterpImplKind) {
if (transaction_active) {
// No Mterp variant - just use the switch interpreter.
- return ExecuteSwitchImpl<false, true>(self, code_item, shadow_frame, result_register,
+ return ExecuteSwitchImpl<false, true>(self, accessor, shadow_frame, result_register,
false);
} else if (UNLIKELY(!Runtime::Current()->IsStarted())) {
- return ExecuteSwitchImpl<false, false>(self, code_item, shadow_frame, result_register,
+ return ExecuteSwitchImpl<false, false>(self, accessor, shadow_frame, result_register,
false);
} else {
while (true) {
// Mterp does not support all instrumentation/debugging.
if (MterpShouldSwitchInterpreters() != 0) {
- return ExecuteSwitchImpl<false, false>(self, code_item, shadow_frame, result_register,
+ return ExecuteSwitchImpl<false, false>(self, accessor, shadow_frame, result_register,
false);
}
bool returned = ExecuteMterpImpl(self,
- code_item->insns_,
+ accessor.Insns(),
&shadow_frame,
&result_register);
if (returned) {
return result_register;
} else {
// Mterp didn't like that instruction. Single-step it with the reference interpreter.
- result_register = ExecuteSwitchImpl<false, false>(self, code_item, shadow_frame,
+ result_register = ExecuteSwitchImpl<false, false>(self, accessor, shadow_frame,
result_register, true);
if (shadow_frame.GetDexPC() == dex::kDexNoIndex) {
// Single-stepped a return or an exception not handled locally. Return to caller.
@@ -334,10 +336,10 @@ static inline JValue Execute(
} else {
DCHECK_EQ(kInterpreterImplKind, kSwitchImplKind);
if (transaction_active) {
- return ExecuteSwitchImpl<false, true>(self, code_item, shadow_frame, result_register,
+ return ExecuteSwitchImpl<false, true>(self, accessor, shadow_frame, result_register,
false);
} else {
- return ExecuteSwitchImpl<false, false>(self, code_item, shadow_frame, result_register,
+ return ExecuteSwitchImpl<false, false>(self, accessor, shadow_frame, result_register,
false);
}
}
@@ -346,19 +348,19 @@ static inline JValue Execute(
if (kInterpreterImplKind == kMterpImplKind) {
// No access check variants for Mterp. Just use the switch version.
if (transaction_active) {
- return ExecuteSwitchImpl<true, true>(self, code_item, shadow_frame, result_register,
+ return ExecuteSwitchImpl<true, true>(self, accessor, shadow_frame, result_register,
false);
} else {
- return ExecuteSwitchImpl<true, false>(self, code_item, shadow_frame, result_register,
+ return ExecuteSwitchImpl<true, false>(self, accessor, shadow_frame, result_register,
false);
}
} else {
DCHECK_EQ(kInterpreterImplKind, kSwitchImplKind);
if (transaction_active) {
- return ExecuteSwitchImpl<true, true>(self, code_item, shadow_frame, result_register,
+ return ExecuteSwitchImpl<true, true>(self, accessor, shadow_frame, result_register,
false);
} else {
- return ExecuteSwitchImpl<true, false>(self, code_item, shadow_frame, result_register,
+ return ExecuteSwitchImpl<true, false>(self, accessor, shadow_frame, result_register,
false);
}
}
@@ -387,12 +389,12 @@ void EnterInterpreterFromInvoke(Thread* self,
}
const char* old_cause = self->StartAssertNoThreadSuspension("EnterInterpreterFromInvoke");
- const DexFile::CodeItem* code_item = method->GetCodeItem();
+ CodeItemDataAccessor accessor(method);
uint16_t num_regs;
uint16_t num_ins;
- if (code_item != nullptr) {
- num_regs = code_item->registers_size_;
- num_ins = code_item->ins_size_;
+ if (accessor.HasCodeItem()) {
+ num_regs = accessor.RegistersSize();
+ num_ins = accessor.InsSize();
} else if (!method->IsInvokable()) {
self->EndAssertNoThreadSuspension(old_cause);
method->ThrowInvocationTimeError();
@@ -454,7 +456,7 @@ void EnterInterpreterFromInvoke(Thread* self,
}
}
if (LIKELY(!method->IsNative())) {
- JValue r = Execute(self, code_item, *shadow_frame, JValue(), stay_in_interpreter);
+ JValue r = Execute(self, accessor, *shadow_frame, JValue(), stay_in_interpreter);
if (result != nullptr) {
*result = r;
}
@@ -497,7 +499,7 @@ void EnterInterpreterFromDeoptimize(Thread* self,
DCHECK(!shadow_frame->GetMethod()->MustCountLocks());
self->SetTopOfShadowStack(shadow_frame);
- const DexFile::CodeItem* code_item = shadow_frame->GetMethod()->GetCodeItem();
+ CodeItemDataAccessor accessor(shadow_frame->GetMethod());
const uint32_t dex_pc = shadow_frame->GetDexPC();
uint32_t new_dex_pc = dex_pc;
if (UNLIKELY(self->IsExceptionPending())) {
@@ -510,7 +512,7 @@ void EnterInterpreterFromDeoptimize(Thread* self,
self, *shadow_frame, instrumentation) ? shadow_frame->GetDexPC() : dex::kDexNoIndex;
} else if (!from_code) {
// Deoptimization is not called from code directly.
- const Instruction* instr = Instruction::At(&code_item->insns_[dex_pc]);
+ const Instruction* instr = &accessor.InstructionAt(dex_pc);
if (deopt_method_type == DeoptimizationMethodType::kKeepDexPc) {
DCHECK(first);
// Need to re-execute the dex instruction.
@@ -566,7 +568,7 @@ void EnterInterpreterFromDeoptimize(Thread* self,
}
if (new_dex_pc != dex::kDexNoIndex) {
shadow_frame->SetDexPC(new_dex_pc);
- value = Execute(self, code_item, *shadow_frame, value);
+ value = Execute(self, accessor, *shadow_frame, value);
}
ShadowFrame* old_frame = shadow_frame;
shadow_frame = shadow_frame->GetLink();
@@ -580,7 +582,7 @@ void EnterInterpreterFromDeoptimize(Thread* self,
ret_val->SetJ(value.GetJ());
}
-JValue EnterInterpreterFromEntryPoint(Thread* self, const DexFile::CodeItem* code_item,
+JValue EnterInterpreterFromEntryPoint(Thread* self, const CodeItemDataAccessor& accessor,
ShadowFrame* shadow_frame) {
DCHECK_EQ(self, Thread::Current());
bool implicit_check = !Runtime::Current()->ExplicitStackOverflowChecks();
@@ -593,11 +595,11 @@ JValue EnterInterpreterFromEntryPoint(Thread* self, const DexFile::CodeItem* cod
if (jit != nullptr) {
jit->NotifyCompiledCodeToInterpreterTransition(self, shadow_frame->GetMethod());
}
- return Execute(self, code_item, *shadow_frame, JValue());
+ return Execute(self, accessor, *shadow_frame, JValue());
}
void ArtInterpreterToInterpreterBridge(Thread* self,
- const DexFile::CodeItem* code_item,
+ const CodeItemDataAccessor& accessor,
ShadowFrame* shadow_frame,
JValue* result) {
bool implicit_check = !Runtime::Current()->ExplicitStackOverflowChecks();
@@ -626,7 +628,7 @@ void ArtInterpreterToInterpreterBridge(Thread* self,
}
if (LIKELY(!shadow_frame->GetMethod()->IsNative())) {
- result->SetJ(Execute(self, code_item, *shadow_frame, JValue()).GetJ());
+ result->SetJ(Execute(self, accessor, *shadow_frame, JValue()).GetJ());
} else {
// We don't expect to be asked to interpret native code (which is entered via a JNI compiler
// generated stub) except during testing and image writing.
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 06:46:39 +0000