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Diffstat (limited to 'runtime/dex_instruction.cc')
-rw-r--r--runtime/dex_instruction.cc92
1 files changed, 62 insertions, 30 deletions
diff --git a/runtime/dex_instruction.cc b/runtime/dex_instruction.cc
index 0a71d621e1..69fe87464d 100644
--- a/runtime/dex_instruction.cc
+++ b/runtime/dex_instruction.cc
@@ -19,6 +19,7 @@
#include <inttypes.h>
#include <iomanip>
+#include <sstream>
#include "base/stringprintf.h"
#include "dex_file-inl.h"
@@ -111,8 +112,8 @@ size_t Instruction::SizeInCodeUnitsComplexOpcode() const {
if ((*insns & 0xFF) == 0) {
return 1; // NOP.
} else {
- LOG(FATAL) << "Unreachable: " << DumpString(NULL);
- return 0;
+ LOG(FATAL) << "Unreachable: " << DumpString(nullptr);
+ UNREACHABLE();
}
}
}
@@ -133,6 +134,23 @@ std::string Instruction::DumpHex(size_t code_units) const {
return os.str();
}
+std::string Instruction::DumpHexLE(size_t instr_code_units) const {
+ size_t inst_length = SizeInCodeUnits();
+ if (inst_length > instr_code_units) {
+ inst_length = instr_code_units;
+ }
+ std::ostringstream os;
+ const uint16_t* insn = reinterpret_cast<const uint16_t*>(this);
+ for (size_t i = 0; i < inst_length; i++) {
+ os << StringPrintf("%02x%02x", static_cast<uint8_t>(insn[i] & 0x00FF),
+ static_cast<uint8_t>((insn[i] & 0xFF00) >> 8)) << " ";
+ }
+ for (size_t i = inst_length; i < instr_code_units; i++) {
+ os << " ";
+ }
+ return os.str();
+}
+
std::string Instruction::DumpString(const DexFile* file) const {
std::ostringstream os;
const char* opcode = kInstructionNames[Opcode()];
@@ -161,21 +179,23 @@ std::string Instruction::DumpString(const DexFile* file) const {
case k21c: {
switch (Opcode()) {
case CONST_STRING:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t string_idx = VRegB_21c();
os << StringPrintf("const-string v%d, %s // string@%d", VRegA_21c(),
PrintableString(file->StringDataByIdx(string_idx)).c_str(), string_idx);
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case CHECK_CAST:
case CONST_CLASS:
case NEW_INSTANCE:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t type_idx = VRegB_21c();
os << opcode << " v" << static_cast<int>(VRegA_21c()) << ", " << PrettyType(type_idx, *file)
<< " // type@" << type_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case SGET:
case SGET_WIDE:
case SGET_OBJECT:
@@ -183,12 +203,13 @@ std::string Instruction::DumpString(const DexFile* file) const {
case SGET_BYTE:
case SGET_CHAR:
case SGET_SHORT:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegB_21c();
os << opcode << " v" << static_cast<int>(VRegA_21c()) << ", " << PrettyField(field_idx, *file, true)
<< " // field@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case SPUT:
case SPUT_WIDE:
case SPUT_OBJECT:
@@ -196,12 +217,13 @@ std::string Instruction::DumpString(const DexFile* file) const {
case SPUT_BYTE:
case SPUT_CHAR:
case SPUT_SHORT:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegB_21c();
os << opcode << " v" << static_cast<int>(VRegA_21c()) << ", " << PrettyField(field_idx, *file, true)
<< " // field@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
default:
os << StringPrintf("%s v%d, thing@%d", opcode, VRegA_21c(), VRegB_21c());
break;
@@ -221,20 +243,22 @@ std::string Instruction::DumpString(const DexFile* file) const {
case IGET_BYTE:
case IGET_CHAR:
case IGET_SHORT:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< PrettyField(field_idx, *file, true) << " // field@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case IGET_QUICK:
case IGET_OBJECT_QUICK:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< "// offset@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case IPUT:
case IPUT_WIDE:
case IPUT_OBJECT:
@@ -242,34 +266,38 @@ std::string Instruction::DumpString(const DexFile* file) const {
case IPUT_BYTE:
case IPUT_CHAR:
case IPUT_SHORT:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< PrettyField(field_idx, *file, true) << " // field@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case IPUT_QUICK:
case IPUT_OBJECT_QUICK:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< "// offset@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case INSTANCE_OF:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t type_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< PrettyType(type_idx, *file) << " // type@" << type_idx;
break;
}
+ FALLTHROUGH_INTENDED;
case NEW_ARRAY:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t type_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< PrettyType(type_idx, *file) << " // type@" << type_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
default:
os << StringPrintf("%s v%d, v%d, thing@%d", opcode, VRegA_22c(), VRegB_22c(), VRegC_22c());
break;
@@ -283,7 +311,7 @@ std::string Instruction::DumpString(const DexFile* file) const {
case k31c:
if (Opcode() == CONST_STRING_JUMBO) {
uint32_t string_idx = VRegB_31c();
- if (file != NULL) {
+ if (file != nullptr) {
os << StringPrintf("%s v%d, %s // string@%d", opcode, VRegA_31c(),
PrintableString(file->StringDataByIdx(string_idx)).c_str(),
string_idx);
@@ -317,7 +345,7 @@ std::string Instruction::DumpString(const DexFile* file) const {
case INVOKE_DIRECT:
case INVOKE_STATIC:
case INVOKE_INTERFACE:
- if (file != NULL) {
+ if (file != nullptr) {
os << opcode << " {";
uint32_t method_idx = VRegB_35c();
for (size_t i = 0; i < VRegA_35c(); ++i) {
@@ -328,9 +356,10 @@ std::string Instruction::DumpString(const DexFile* file) const {
}
os << "}, " << PrettyMethod(method_idx, *file) << " // method@" << method_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case INVOKE_VIRTUAL_QUICK:
- if (file != NULL) {
+ if (file != nullptr) {
os << opcode << " {";
uint32_t method_idx = VRegB_35c();
for (size_t i = 0; i < VRegA_35c(); ++i) {
@@ -341,7 +370,8 @@ std::string Instruction::DumpString(const DexFile* file) const {
}
os << "}, // vtable@" << method_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
default:
os << opcode << " {v" << arg[0] << ", v" << arg[1] << ", v" << arg[2]
<< ", v" << arg[3] << ", v" << arg[4] << "}, thing@" << VRegB_35c();
@@ -356,19 +386,21 @@ std::string Instruction::DumpString(const DexFile* file) const {
case INVOKE_DIRECT_RANGE:
case INVOKE_STATIC_RANGE:
case INVOKE_INTERFACE_RANGE:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t method_idx = VRegB_3rc();
os << StringPrintf("%s, {v%d .. v%d}, ", opcode, VRegC_3rc(), (VRegC_3rc() + VRegA_3rc() - 1))
<< PrettyMethod(method_idx, *file) << " // method@" << method_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case INVOKE_VIRTUAL_RANGE_QUICK:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t method_idx = VRegB_3rc();
os << StringPrintf("%s, {v%d .. v%d}, ", opcode, VRegC_3rc(), (VRegC_3rc() + VRegA_3rc() - 1))
<< "// vtable@" << method_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
default:
os << StringPrintf("%s, {v%d .. v%d}, thing@%d", opcode, VRegC_3rc(),
(VRegC_3rc() + VRegA_3rc() - 1), VRegB_3rc());
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-26 17:47:58 +0000