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-rw-r--r--runtime/stack.cc75
1 files changed, 38 insertions, 37 deletions
diff --git a/runtime/stack.cc b/runtime/stack.cc
index 4ae49dd..aa3e320 100644
--- a/runtime/stack.cc
+++ b/runtime/stack.cc
@@ -36,12 +36,12 @@ namespace art {
mirror::Object* ShadowFrame::GetThisObject() const {
mirror::ArtMethod* m = GetMethod();
if (m->IsStatic()) {
- return NULL;
+ return nullptr;
} else if (m->IsNative()) {
return GetVRegReference(0);
} else {
const DexFile::CodeItem* code_item = m->GetCodeItem();
- CHECK(code_item != NULL) << PrettyMethod(m);
+ CHECK(code_item != nullptr) << PrettyMethod(m);
uint16_t reg = code_item->registers_size_ - code_item->ins_size_;
return GetVRegReference(reg);
}
@@ -50,7 +50,7 @@ mirror::Object* ShadowFrame::GetThisObject() const {
mirror::Object* ShadowFrame::GetThisObject(uint16_t num_ins) const {
mirror::ArtMethod* m = GetMethod();
if (m->IsStatic()) {
- return NULL;
+ return nullptr;
} else {
return GetVRegReference(NumberOfVRegs() - num_ins);
}
@@ -58,9 +58,9 @@ mirror::Object* ShadowFrame::GetThisObject(uint16_t num_ins) const {
size_t ManagedStack::NumJniShadowFrameReferences() const {
size_t count = 0;
- for (const ManagedStack* current_fragment = this; current_fragment != NULL;
+ for (const ManagedStack* current_fragment = this; current_fragment != nullptr;
current_fragment = current_fragment->GetLink()) {
- for (ShadowFrame* current_frame = current_fragment->top_shadow_frame_; current_frame != NULL;
+ for (ShadowFrame* current_frame = current_fragment->top_shadow_frame_; current_frame != nullptr;
current_frame = current_frame->GetLink()) {
if (current_frame->GetMethod()->IsNative()) {
// The JNI ShadowFrame only contains references. (For indirect reference.)
@@ -72,9 +72,9 @@ size_t ManagedStack::NumJniShadowFrameReferences() const {
}
bool ManagedStack::ShadowFramesContain(StackReference<mirror::Object>* shadow_frame_entry) const {
- for (const ManagedStack* current_fragment = this; current_fragment != NULL;
+ for (const ManagedStack* current_fragment = this; current_fragment != nullptr;
current_fragment = current_fragment->GetLink()) {
- for (ShadowFrame* current_frame = current_fragment->top_shadow_frame_; current_frame != NULL;
+ for (ShadowFrame* current_frame = current_fragment->top_shadow_frame_; current_frame != nullptr;
current_frame = current_frame->GetLink()) {
if (current_frame->Contains(shadow_frame_entry)) {
return true;
@@ -85,23 +85,23 @@ bool ManagedStack::ShadowFramesContain(StackReference<mirror::Object>* shadow_fr
}
StackVisitor::StackVisitor(Thread* thread, Context* context)
- : thread_(thread), cur_shadow_frame_(NULL),
- cur_quick_frame_(NULL), cur_quick_frame_pc_(0), num_frames_(0), cur_depth_(0),
+ : thread_(thread), cur_shadow_frame_(nullptr),
+ cur_quick_frame_(nullptr), cur_quick_frame_pc_(0), num_frames_(0), cur_depth_(0),
context_(context) {
DCHECK(thread == Thread::Current() || thread->IsSuspended()) << *thread;
}
StackVisitor::StackVisitor(Thread* thread, Context* context, size_t num_frames)
- : thread_(thread), cur_shadow_frame_(NULL),
- cur_quick_frame_(NULL), cur_quick_frame_pc_(0), num_frames_(num_frames), cur_depth_(0),
+ : thread_(thread), cur_shadow_frame_(nullptr),
+ cur_quick_frame_(nullptr), cur_quick_frame_pc_(0), num_frames_(num_frames), cur_depth_(0),
context_(context) {
DCHECK(thread == Thread::Current() || thread->IsSuspended()) << *thread;
}
uint32_t StackVisitor::GetDexPc(bool abort_on_failure) const {
- if (cur_shadow_frame_ != NULL) {
+ if (cur_shadow_frame_ != nullptr) {
return cur_shadow_frame_->GetDexPC();
- } else if (cur_quick_frame_ != NULL) {
+ } else if (cur_quick_frame_ != nullptr) {
return GetMethod()->ToDexPc(cur_quick_frame_pc_, abort_on_failure);
} else {
return 0;
@@ -183,7 +183,7 @@ bool StackVisitor::GetVRegFromQuickCode(mirror::ArtMethod* m, uint16_t vreg, VRe
return GetRegisterIfAccessible(reg, kind, val);
} else {
const DexFile::CodeItem* code_item = m->GetCodeItem();
- DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile
+ DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be null or how would we compile
// its instructions?
*val = *GetVRegAddrFromQuickCode(cur_quick_frame_, code_item, frame_info.CoreSpillMask(),
frame_info.FpSpillMask(), frame_info.FrameSizeInBytes(), vreg);
@@ -199,7 +199,7 @@ bool StackVisitor::GetVRegFromOptimizedCode(mirror::ArtMethod* m, uint16_t vreg,
CodeInfo code_info = m->GetOptimizedCodeInfo();
StackMap stack_map = code_info.GetStackMapForNativePcOffset(native_pc_offset);
const DexFile::CodeItem* code_item = m->GetCodeItem();
- DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile
+ DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be null or how would we compile
// its instructions?
DCHECK_LT(vreg, code_item->registers_size_);
uint16_t number_of_dex_registers = code_item->registers_size_;
@@ -297,7 +297,7 @@ bool StackVisitor::GetVRegPairFromQuickCode(mirror::ArtMethod* m, uint16_t vreg,
return GetRegisterPairIfAccessible(reg_lo, reg_hi, kind_lo, val);
} else {
const DexFile::CodeItem* code_item = m->GetCodeItem();
- DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile
+ DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be null or how would we compile
// its instructions?
uint32_t* addr = GetVRegAddrFromQuickCode(
cur_quick_frame_, code_item, frame_info.CoreSpillMask(),
@@ -372,7 +372,7 @@ bool StackVisitor::SetVRegFromQuickCode(mirror::ArtMethod* m, uint16_t vreg, uin
return SetRegisterIfAccessible(reg, new_value, kind);
} else {
const DexFile::CodeItem* code_item = m->GetCodeItem();
- DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile
+ DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be null or how would we compile
// its instructions?
uint32_t* addr = GetVRegAddrFromQuickCode(
cur_quick_frame_, code_item, frame_info.CoreSpillMask(),
@@ -390,7 +390,7 @@ bool StackVisitor::SetVRegFromOptimizedCode(mirror::ArtMethod* m, uint16_t vreg,
CodeInfo code_info = m->GetOptimizedCodeInfo();
StackMap stack_map = code_info.GetStackMapForNativePcOffset(native_pc_offset);
const DexFile::CodeItem* code_item = m->GetCodeItem();
- DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile
+ DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be null or how would we compile
// its instructions?
uint16_t number_of_dex_registers = code_item->registers_size_;
DCHECK_LT(vreg, number_of_dex_registers);
@@ -488,8 +488,8 @@ bool StackVisitor::SetVRegPair(mirror::ArtMethod* m, uint16_t vreg, uint64_t new
}
}
-bool StackVisitor::SetVRegPairFromQuickCode(mirror::ArtMethod* m, uint16_t vreg, uint64_t new_value,
- VRegKind kind_lo, VRegKind kind_hi) {
+bool StackVisitor::SetVRegPairFromQuickCode(
+ mirror::ArtMethod* m, uint16_t vreg, uint64_t new_value, VRegKind kind_lo, VRegKind kind_hi) {
const void* code_pointer = m->GetQuickOatCodePointer(sizeof(void*));
DCHECK(code_pointer != nullptr);
const VmapTable vmap_table(m->GetVmapTable(code_pointer, sizeof(void*)));
@@ -505,7 +505,7 @@ bool StackVisitor::SetVRegPairFromQuickCode(mirror::ArtMethod* m, uint16_t vreg,
return SetRegisterPairIfAccessible(reg_lo, reg_hi, new_value, is_float);
} else {
const DexFile::CodeItem* code_item = m->GetCodeItem();
- DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be NULL or how would we compile
+ DCHECK(code_item != nullptr) << PrettyMethod(m); // Can't be null or how would we compile
// its instructions?
uint32_t* addr = GetVRegAddrFromQuickCode(
cur_quick_frame_, code_item, frame_info.CoreSpillMask(),
@@ -515,8 +515,8 @@ bool StackVisitor::SetVRegPairFromQuickCode(mirror::ArtMethod* m, uint16_t vreg,
}
}
-bool StackVisitor::SetVRegPairFromOptimizedCode(mirror::ArtMethod* m, uint16_t vreg, uint64_t new_value,
- VRegKind kind_lo, VRegKind kind_hi) {
+bool StackVisitor::SetVRegPairFromOptimizedCode(
+ mirror::ArtMethod* m, uint16_t vreg, uint64_t new_value, VRegKind kind_lo, VRegKind kind_hi) {
uint32_t low_32bits = Low32Bits(new_value);
uint32_t high_32bits = High32Bits(new_value);
bool success = SetVRegFromOptimizedCode(m, vreg, low_32bits, kind_lo);
@@ -585,14 +585,14 @@ void StackVisitor::SetFPR(uint32_t reg, uintptr_t value) {
uintptr_t StackVisitor::GetReturnPc() const {
uint8_t* sp = reinterpret_cast<uint8_t*>(GetCurrentQuickFrame());
- DCHECK(sp != NULL);
+ DCHECK(sp != nullptr);
uint8_t* pc_addr = sp + GetMethod()->GetReturnPcOffset().SizeValue();
return *reinterpret_cast<uintptr_t*>(pc_addr);
}
void StackVisitor::SetReturnPc(uintptr_t new_ret_pc) {
uint8_t* sp = reinterpret_cast<uint8_t*>(GetCurrentQuickFrame());
- CHECK(sp != NULL);
+ CHECK(sp != nullptr);
uint8_t* pc_addr = sp + GetMethod()->GetReturnPcOffset().SizeValue();
*reinterpret_cast<uintptr_t*>(pc_addr) = new_ret_pc;
}
@@ -600,7 +600,7 @@ void StackVisitor::SetReturnPc(uintptr_t new_ret_pc) {
size_t StackVisitor::ComputeNumFrames(Thread* thread) {
struct NumFramesVisitor : public StackVisitor {
explicit NumFramesVisitor(Thread* thread_in)
- : StackVisitor(thread_in, NULL), frames(0) {}
+ : StackVisitor(thread_in, nullptr), frames(0) {}
bool VisitFrame() OVERRIDE {
frames++;
@@ -652,7 +652,7 @@ bool StackVisitor::GetNextMethodAndDexPc(mirror::ArtMethod** next_method, uint32
void StackVisitor::DescribeStack(Thread* thread) {
struct DescribeStackVisitor : public StackVisitor {
explicit DescribeStackVisitor(Thread* thread_in)
- : StackVisitor(thread_in, NULL) {}
+ : StackVisitor(thread_in, nullptr) {}
bool VisitFrame() OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
LOG(INFO) << "Frame Id=" << GetFrameId() << " " << DescribeLocation();
@@ -666,7 +666,7 @@ void StackVisitor::DescribeStack(Thread* thread) {
std::string StackVisitor::DescribeLocation() const {
std::string result("Visiting method '");
mirror::ArtMethod* m = GetMethod();
- if (m == NULL) {
+ if (m == nullptr) {
return "upcall";
}
result += PrettyMethod(m);
@@ -713,24 +713,24 @@ void StackVisitor::WalkStack(bool include_transitions) {
bool exit_stubs_installed = Runtime::Current()->GetInstrumentation()->AreExitStubsInstalled();
uint32_t instrumentation_stack_depth = 0;
- for (const ManagedStack* current_fragment = thread_->GetManagedStack(); current_fragment != NULL;
- current_fragment = current_fragment->GetLink()) {
+ for (const ManagedStack* current_fragment = thread_->GetManagedStack();
+ current_fragment != nullptr; current_fragment = current_fragment->GetLink()) {
cur_shadow_frame_ = current_fragment->GetTopShadowFrame();
cur_quick_frame_ = current_fragment->GetTopQuickFrame();
cur_quick_frame_pc_ = 0;
- if (cur_quick_frame_ != NULL) { // Handle quick stack frames.
+ if (cur_quick_frame_ != nullptr) { // Handle quick stack frames.
// Can't be both a shadow and a quick fragment.
- DCHECK(current_fragment->GetTopShadowFrame() == NULL);
+ DCHECK(current_fragment->GetTopShadowFrame() == nullptr);
mirror::ArtMethod* method = cur_quick_frame_->AsMirrorPtr();
- while (method != NULL) {
+ while (method != nullptr) {
SanityCheckFrame();
bool should_continue = VisitFrame();
if (UNLIKELY(!should_continue)) {
return;
}
- if (context_ != NULL) {
+ if (context_ != nullptr) {
context_->FillCalleeSaves(*this);
}
size_t frame_size = method->GetFrameSizeInBytes();
@@ -748,7 +748,8 @@ void StackVisitor::WalkStack(bool include_transitions) {
if (GetMethod() == Runtime::Current()->GetCalleeSaveMethod(Runtime::kSaveAll)) {
// Skip runtime save all callee frames which are used to deliver exceptions.
} else if (instrumentation_frame.interpreter_entry_) {
- mirror::ArtMethod* callee = Runtime::Current()->GetCalleeSaveMethod(Runtime::kRefsAndArgs);
+ mirror::ArtMethod* callee =
+ Runtime::Current()->GetCalleeSaveMethod(Runtime::kRefsAndArgs);
CHECK_EQ(GetMethod(), callee) << "Expected: " << PrettyMethod(callee) << " Found: "
<< PrettyMethod(GetMethod());
} else if (instrumentation_frame.method_ != GetMethod()) {
@@ -771,7 +772,7 @@ void StackVisitor::WalkStack(bool include_transitions) {
cur_depth_++;
method = cur_quick_frame_->AsMirrorPtr();
}
- } else if (cur_shadow_frame_ != NULL) {
+ } else if (cur_shadow_frame_ != nullptr) {
do {
SanityCheckFrame();
bool should_continue = VisitFrame();
@@ -780,7 +781,7 @@ void StackVisitor::WalkStack(bool include_transitions) {
}
cur_depth_++;
cur_shadow_frame_ = cur_shadow_frame_->GetLink();
- } while (cur_shadow_frame_ != NULL);
+ } while (cur_shadow_frame_ != nullptr);
}
if (include_transitions) {
bool should_continue = VisitFrame();