136 lines
4.8 KiB
C++
136 lines
4.8 KiB
C++
/*
|
|
* Copyright (C) 2011 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 "oat_quick_method_header.h"
|
|
|
|
#include "arch/instruction_set.h"
|
|
#include "art_method.h"
|
|
#include "dex/dex_file_types.h"
|
|
#include "interpreter/mterp/nterp.h"
|
|
#include "nterp_helpers.h"
|
|
#include "scoped_thread_state_change-inl.h"
|
|
#include "stack_map.h"
|
|
#include "thread.h"
|
|
|
|
namespace art {
|
|
|
|
uint32_t OatQuickMethodHeader::ToDexPc(ArtMethod** frame,
|
|
const uintptr_t pc,
|
|
bool abort_on_failure) const {
|
|
ArtMethod* method = *frame;
|
|
const void* entry_point = GetEntryPoint();
|
|
uint32_t sought_offset = pc - reinterpret_cast<uintptr_t>(entry_point);
|
|
if (method->IsNative()) {
|
|
return dex::kDexNoIndex;
|
|
} else if (IsNterpMethodHeader()) {
|
|
return NterpGetDexPC(frame);
|
|
} else {
|
|
DCHECK(IsOptimized());
|
|
CodeInfo code_info = CodeInfo::DecodeInlineInfoOnly(this);
|
|
StackMap stack_map = code_info.GetStackMapForNativePcOffset(sought_offset);
|
|
if (stack_map.IsValid()) {
|
|
return stack_map.GetDexPc();
|
|
}
|
|
}
|
|
if (abort_on_failure) {
|
|
LOG(FATAL) << "Failed to find Dex offset for PC offset "
|
|
<< reinterpret_cast<void*>(sought_offset)
|
|
<< "(PC " << reinterpret_cast<void*>(pc) << ", entry_point=" << entry_point
|
|
<< " current entry_point=" << method->GetEntryPointFromQuickCompiledCode()
|
|
<< ") in " << method->PrettyMethod();
|
|
}
|
|
return dex::kDexNoIndex;
|
|
}
|
|
|
|
uintptr_t OatQuickMethodHeader::ToNativeQuickPc(ArtMethod* method,
|
|
const uint32_t dex_pc,
|
|
bool abort_on_failure) const {
|
|
const void* entry_point = GetEntryPoint();
|
|
DCHECK(!method->IsNative());
|
|
// For catch handlers use the ArrayRef<const uint32_t> version of ToNativeQuickPc.
|
|
DCHECK(!IsNterpMethodHeader());
|
|
DCHECK(IsOptimized());
|
|
// Search for the dex-to-pc mapping in stack maps.
|
|
CodeInfo code_info = CodeInfo::DecodeInlineInfoOnly(this);
|
|
|
|
StackMap stack_map = code_info.GetStackMapForDexPc(dex_pc);
|
|
if (stack_map.IsValid()) {
|
|
return reinterpret_cast<uintptr_t>(entry_point) + stack_map.GetNativePcOffset(kRuntimeISA);
|
|
}
|
|
if (abort_on_failure) {
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
LOG(FATAL) << "Failed to find native offset for dex pc 0x" << std::hex << dex_pc << " in "
|
|
<< method->PrettyMethod();
|
|
}
|
|
return UINTPTR_MAX;
|
|
}
|
|
|
|
uintptr_t OatQuickMethodHeader::ToNativeQuickPcForCatchHandlers(
|
|
ArtMethod* method,
|
|
ArrayRef<const uint32_t> dex_pc_list,
|
|
/* out */ uint32_t* stack_map_row,
|
|
bool abort_on_failure) const {
|
|
const void* entry_point = GetEntryPoint();
|
|
DCHECK(!method->IsNative());
|
|
if (IsNterpMethodHeader()) {
|
|
return NterpGetCatchHandler();
|
|
}
|
|
DCHECK(IsOptimized());
|
|
// Search for the dex-to-pc mapping in stack maps.
|
|
CodeInfo code_info = CodeInfo::DecodeInlineInfoOnly(this);
|
|
|
|
StackMap stack_map = code_info.GetCatchStackMapForDexPc(dex_pc_list);
|
|
*stack_map_row = stack_map.Row();
|
|
if (stack_map.IsValid()) {
|
|
return reinterpret_cast<uintptr_t>(entry_point) +
|
|
stack_map.GetNativePcOffset(kRuntimeISA);
|
|
}
|
|
if (abort_on_failure) {
|
|
std::stringstream ss;
|
|
bool first = true;
|
|
ss << "Failed to find native offset for dex pcs (from outermost to innermost) " << std::hex;
|
|
for (auto dex_pc : dex_pc_list) {
|
|
if (!first) {
|
|
ss << ", ";
|
|
}
|
|
first = false;
|
|
ss << "0x" << dex_pc;
|
|
}
|
|
ScopedObjectAccess soa(Thread::Current());
|
|
ss << " in " << method->PrettyMethod();
|
|
LOG(FATAL) << ss.str();
|
|
}
|
|
return UINTPTR_MAX;
|
|
}
|
|
|
|
static inline OatQuickMethodHeader* GetNterpMethodHeader() {
|
|
if (!interpreter::IsNterpSupported()) {
|
|
return nullptr;
|
|
}
|
|
const void* nterp_entrypoint = interpreter::GetNterpEntryPoint();
|
|
uintptr_t nterp_code_pointer =
|
|
reinterpret_cast<uintptr_t>(EntryPointToCodePointer(nterp_entrypoint));
|
|
return reinterpret_cast<OatQuickMethodHeader*>(nterp_code_pointer - sizeof(OatQuickMethodHeader));
|
|
}
|
|
|
|
OatQuickMethodHeader* OatQuickMethodHeader::NterpMethodHeader = GetNterpMethodHeader();
|
|
|
|
bool OatQuickMethodHeader::IsNterpMethodHeader() const {
|
|
return interpreter::IsNterpSupported() ? (this == NterpMethodHeader) : false;
|
|
}
|
|
|
|
} // namespace art
|