libunwindstack/tests/ArmExidxExtractTest.cpp - third_party/android/platform/system/core - Git at Google

 /*
  * Copyright (C) 2016 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 <stdint.h>

 #include <deque>
 #include <vector>

 #include <gtest/gtest.h>

 #include <unwindstack/Log.h>

 #include "ArmExidx.h"

 #include "LogFake.h"
 #include "MemoryFake.h"

 namespace unwindstack {

 class ArmExidxExtractTest : public ::testing::Test {
  protected:
   void SetUp() override {
     ResetLogs();
     elf_memory_.Clear();
     exidx_ = new ArmExidx(nullptr, &elf_memory_, nullptr);
     data_ = exidx_->data();
     data_->clear();
   }

   void TearDown() override {
     delete exidx_;
   }

   ArmExidx* exidx_ = nullptr;
   std::deque<uint8_t>* data_;
   MemoryFake elf_memory_;
 };

 TEST_F(ArmExidxExtractTest, bad_alignment) {
   ASSERT_FALSE(exidx_->ExtractEntryData(0x1001));
   ASSERT_EQ(ARM_STATUS_INVALID_ALIGNMENT, exidx_->status());
   ASSERT_TRUE(data_->empty());
 }

 TEST_F(ArmExidxExtractTest, cant_unwind) {
   elf_memory_.SetData32(0x1000, 0x7fff2340);
   elf_memory_.SetData32(0x1004, 1);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x1000));
   ASSERT_EQ(ARM_STATUS_NO_UNWIND, exidx_->status());
   ASSERT_TRUE(data_->empty());
 }

 TEST_F(ArmExidxExtractTest, compact) {
   elf_memory_.SetData32(0x4000, 0x7ffa3000);
   elf_memory_.SetData32(0x4004, 0x80a8b0b0);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x4000));
   ASSERT_EQ(3U, data_->size());
   ASSERT_EQ(0xa8, data_->at(0));
   ASSERT_EQ(0xb0, data_->at(1));
   ASSERT_EQ(0xb0, data_->at(2));

   // Missing finish gets added.
   elf_memory_.Clear();
   elf_memory_.SetData32(0x534, 0x7ffa3000);
   elf_memory_.SetData32(0x538, 0x80a1a2a3);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x534));
   ASSERT_EQ(4U, data_->size());
   ASSERT_EQ(0xa1, data_->at(0));
   ASSERT_EQ(0xa2, data_->at(1));
   ASSERT_EQ(0xa3, data_->at(2));
   ASSERT_EQ(0xb0, data_->at(3));
 }

 TEST_F(ArmExidxExtractTest, compact_non_zero_personality) {
   elf_memory_.SetData32(0x4000, 0x7ffa3000);

   uint32_t compact_value = 0x80a8b0b0;
   for (size_t i = 1; i < 16; i++) {
     elf_memory_.SetData32(0x4004, compact_value | (i << 24));
     ASSERT_FALSE(exidx_->ExtractEntryData(0x4000));
     ASSERT_EQ(ARM_STATUS_INVALID_PERSONALITY, exidx_->status());
   }
 }

 TEST_F(ArmExidxExtractTest, second_read_compact_personality_1_2) {
   elf_memory_.SetData32(0x5000, 0x1234);
   elf_memory_.SetData32(0x5004, 0x00001230);
   elf_memory_.SetData32(0x6234, 0x8100f3b0);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(2U, data_->size());
   ASSERT_EQ(0xf3, data_->at(0));
   ASSERT_EQ(0xb0, data_->at(1));

   elf_memory_.Clear();
   elf_memory_.SetData32(0x5000, 0x1234);
   elf_memory_.SetData32(0x5004, 0x00001230);
   elf_memory_.SetData32(0x6234, 0x8200f3f4);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(3U, data_->size());
   ASSERT_EQ(0xf3, data_->at(0));
   ASSERT_EQ(0xf4, data_->at(1));
   ASSERT_EQ(0xb0, data_->at(2));

   elf_memory_.Clear();
   elf_memory_.SetData32(0x5000, 0x1234);
   elf_memory_.SetData32(0x5004, 0x00001230);
   elf_memory_.SetData32(0x6234, 0x8201f3f4);
   elf_memory_.SetData32(0x6238, 0x102030b0);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(6U, data_->size());
   ASSERT_EQ(0xf3, data_->at(0));
   ASSERT_EQ(0xf4, data_->at(1));
   ASSERT_EQ(0x10, data_->at(2));
   ASSERT_EQ(0x20, data_->at(3));
   ASSERT_EQ(0x30, data_->at(4));
   ASSERT_EQ(0xb0, data_->at(5));

   elf_memory_.Clear();
   elf_memory_.SetData32(0x5000, 0x1234);
   elf_memory_.SetData32(0x5004, 0x00001230);
   elf_memory_.SetData32(0x6234, 0x8103f3f4);
   elf_memory_.SetData32(0x6238, 0x10203040);
   elf_memory_.SetData32(0x623c, 0x50607080);
   elf_memory_.SetData32(0x6240, 0x90a0c0d0);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(15U, data_->size());
   ASSERT_EQ(0xf3, data_->at(0));
   ASSERT_EQ(0xf4, data_->at(1));
   ASSERT_EQ(0x10, data_->at(2));
   ASSERT_EQ(0x20, data_->at(3));
   ASSERT_EQ(0x30, data_->at(4));
   ASSERT_EQ(0x40, data_->at(5));
   ASSERT_EQ(0x50, data_->at(6));
   ASSERT_EQ(0x60, data_->at(7));
   ASSERT_EQ(0x70, data_->at(8));
   ASSERT_EQ(0x80, data_->at(9));
   ASSERT_EQ(0x90, data_->at(10));
   ASSERT_EQ(0xa0, data_->at(11));
   ASSERT_EQ(0xc0, data_->at(12));
   ASSERT_EQ(0xd0, data_->at(13));
   ASSERT_EQ(0xb0, data_->at(14));
 }

 TEST_F(ArmExidxExtractTest, second_read_compact_personality_illegal) {
   elf_memory_.SetData32(0x5000, 0x7ffa1e48);
   elf_memory_.SetData32(0x5004, 0x1230);
   elf_memory_.SetData32(0x6234, 0x832132b0);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_INVALID_PERSONALITY, exidx_->status());

   elf_memory_.Clear();
   elf_memory_.SetData32(0x5000, 0x7ffa1e48);
   elf_memory_.SetData32(0x5004, 0x1230);
   elf_memory_.SetData32(0x6234, 0x842132b0);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_INVALID_PERSONALITY, exidx_->status());
 }

 TEST_F(ArmExidxExtractTest, second_read_offset_is_negative) {
   elf_memory_.SetData32(0x5000, 0x7ffa1e48);
   elf_memory_.SetData32(0x5004, 0x7fffb1e0);
   elf_memory_.SetData32(0x1e4, 0x842132b0);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_INVALID_PERSONALITY, exidx_->status());
 }

 TEST_F(ArmExidxExtractTest, second_read_not_compact) {
   elf_memory_.SetData32(0x5000, 0x1234);
   elf_memory_.SetData32(0x5004, 0x00001230);
   elf_memory_.SetData32(0x6234, 0x1);
   elf_memory_.SetData32(0x6238, 0x001122b0);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(3U, data_->size());
   ASSERT_EQ(0x11, data_->at(0));
   ASSERT_EQ(0x22, data_->at(1));
   ASSERT_EQ(0xb0, data_->at(2));

   elf_memory_.Clear();
   elf_memory_.SetData32(0x5000, 0x1234);
   elf_memory_.SetData32(0x5004, 0x00001230);
   elf_memory_.SetData32(0x6234, 0x2);
   elf_memory_.SetData32(0x6238, 0x00112233);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(4U, data_->size());
   ASSERT_EQ(0x11, data_->at(0));
   ASSERT_EQ(0x22, data_->at(1));
   ASSERT_EQ(0x33, data_->at(2));
   ASSERT_EQ(0xb0, data_->at(3));

   elf_memory_.Clear();
   elf_memory_.SetData32(0x5000, 0x1234);
   elf_memory_.SetData32(0x5004, 0x00001230);
   elf_memory_.SetData32(0x6234, 0x3);
   elf_memory_.SetData32(0x6238, 0x01112233);
   elf_memory_.SetData32(0x623c, 0x445566b0);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(7U, data_->size());
   ASSERT_EQ(0x11, data_->at(0));
   ASSERT_EQ(0x22, data_->at(1));
   ASSERT_EQ(0x33, data_->at(2));
   ASSERT_EQ(0x44, data_->at(3));
   ASSERT_EQ(0x55, data_->at(4));
   ASSERT_EQ(0x66, data_->at(5));
   ASSERT_EQ(0xb0, data_->at(6));

   elf_memory_.Clear();
   elf_memory_.SetData32(0x5000, 0x1234);
   elf_memory_.SetData32(0x5004, 0x00001230);
   elf_memory_.SetData32(0x6234, 0x3);
   elf_memory_.SetData32(0x6238, 0x05112233);
   elf_memory_.SetData32(0x623c, 0x01020304);
   elf_memory_.SetData32(0x6240, 0x05060708);
   elf_memory_.SetData32(0x6244, 0x090a0b0c);
   elf_memory_.SetData32(0x6248, 0x0d0e0f10);
   elf_memory_.SetData32(0x624c, 0x11121314);
   ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(24U, data_->size());
   ASSERT_EQ(0x11, data_->at(0));
   ASSERT_EQ(0x22, data_->at(1));
   ASSERT_EQ(0x33, data_->at(2));
   ASSERT_EQ(0x01, data_->at(3));
   ASSERT_EQ(0x02, data_->at(4));
   ASSERT_EQ(0x03, data_->at(5));
   ASSERT_EQ(0x04, data_->at(6));
   ASSERT_EQ(0x05, data_->at(7));
   ASSERT_EQ(0x06, data_->at(8));
   ASSERT_EQ(0x07, data_->at(9));
   ASSERT_EQ(0x08, data_->at(10));
   ASSERT_EQ(0x09, data_->at(11));
   ASSERT_EQ(0x0a, data_->at(12));
   ASSERT_EQ(0x0b, data_->at(13));
   ASSERT_EQ(0x0c, data_->at(14));
   ASSERT_EQ(0x0d, data_->at(15));
   ASSERT_EQ(0x0e, data_->at(16));
   ASSERT_EQ(0x0f, data_->at(17));
   ASSERT_EQ(0x10, data_->at(18));
   ASSERT_EQ(0x11, data_->at(19));
   ASSERT_EQ(0x12, data_->at(20));
   ASSERT_EQ(0x13, data_->at(21));
   ASSERT_EQ(0x14, data_->at(22));
   ASSERT_EQ(0xb0, data_->at(23));
 }

 TEST_F(ArmExidxExtractTest, read_failures) {
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());

   elf_memory_.SetData32(0x5000, 0x100);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());

   elf_memory_.SetData32(0x5004, 0x100);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());

   elf_memory_.SetData32(0x5104, 0x1);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());

   elf_memory_.SetData32(0x5108, 0x01010203);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());
 }

 TEST_F(ArmExidxExtractTest, malformed) {
   elf_memory_.SetData32(0x5000, 0x100);
   elf_memory_.SetData32(0x5004, 0x100);
   elf_memory_.SetData32(0x5104, 0x1);
   elf_memory_.SetData32(0x5108, 0x06010203);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_MALFORMED, exidx_->status());

   elf_memory_.Clear();
   elf_memory_.SetData32(0x5000, 0x100);
   elf_memory_.SetData32(0x5004, 0x100);
   elf_memory_.SetData32(0x5104, 0x1);
   elf_memory_.SetData32(0x5108, 0x81060203);
   ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ(ARM_STATUS_MALFORMED, exidx_->status());
 }

 TEST_F(ArmExidxExtractTest, cant_unwind_log) {
   elf_memory_.SetData32(0x1000, 0x7fff2340);
   elf_memory_.SetData32(0x1004, 1);

   exidx_->set_log(true);
   exidx_->set_log_indent(0);
   exidx_->set_log_skip_execution(false);

   ASSERT_FALSE(exidx_->ExtractEntryData(0x1000));
   ASSERT_EQ(ARM_STATUS_NO_UNWIND, exidx_->status());

   ASSERT_EQ("4 unwind Raw Data: 0x00 0x00 0x00 0x01\n"
             "4 unwind [cantunwind]\n", GetFakeLogPrint());
 }

 TEST_F(ArmExidxExtractTest, raw_data_compact) {
   elf_memory_.SetData32(0x4000, 0x7ffa3000);
   elf_memory_.SetData32(0x4004, 0x80a8b0b0);

   exidx_->set_log(true);
   exidx_->set_log_indent(0);
   exidx_->set_log_skip_execution(false);

   ASSERT_TRUE(exidx_->ExtractEntryData(0x4000));
   ASSERT_EQ("4 unwind Raw Data: 0xa8 0xb0 0xb0\n", GetFakeLogPrint());
 }

 TEST_F(ArmExidxExtractTest, raw_data_non_compact) {
   elf_memory_.SetData32(0x5000, 0x1234);
   elf_memory_.SetData32(0x5004, 0x00001230);
   elf_memory_.SetData32(0x6234, 0x2);
   elf_memory_.SetData32(0x6238, 0x00112233);

   exidx_->set_log(true);
   exidx_->set_log_indent(0);
   exidx_->set_log_skip_execution(false);

   ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
   ASSERT_EQ("4 unwind Raw Data: 0x11 0x22 0x33 0xb0\n", GetFakeLogPrint());
 }

 }  // namespace unwindstack
	/*
	* Copyright (C) 2016 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 <stdint.h>

	#include <deque>
	#include <vector>

	#include <gtest/gtest.h>

	#include <unwindstack/Log.h>

	#include "ArmExidx.h"

	#include "LogFake.h"
	#include "MemoryFake.h"

	namespace unwindstack {

	class ArmExidxExtractTest : public ::testing::Test {
	protected:
	void SetUp() override {
	ResetLogs();
	elf_memory_.Clear();
	exidx_ = new ArmExidx(nullptr, &elf_memory_, nullptr);
	data_ = exidx_->data();
	data_->clear();
	}

	void TearDown() override {
	delete exidx_;
	}

	ArmExidx* exidx_ = nullptr;
	std::deque<uint8_t>* data_;
	MemoryFake elf_memory_;
	};

	TEST_F(ArmExidxExtractTest, bad_alignment) {
	ASSERT_FALSE(exidx_->ExtractEntryData(0x1001));
	ASSERT_EQ(ARM_STATUS_INVALID_ALIGNMENT, exidx_->status());
	ASSERT_TRUE(data_->empty());
	}

	TEST_F(ArmExidxExtractTest, cant_unwind) {
	elf_memory_.SetData32(0x1000, 0x7fff2340);
	elf_memory_.SetData32(0x1004, 1);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x1000));
	ASSERT_EQ(ARM_STATUS_NO_UNWIND, exidx_->status());
	ASSERT_TRUE(data_->empty());
	}

	TEST_F(ArmExidxExtractTest, compact) {
	elf_memory_.SetData32(0x4000, 0x7ffa3000);
	elf_memory_.SetData32(0x4004, 0x80a8b0b0);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x4000));
	ASSERT_EQ(3U, data_->size());
	ASSERT_EQ(0xa8, data_->at(0));
	ASSERT_EQ(0xb0, data_->at(1));
	ASSERT_EQ(0xb0, data_->at(2));

	// Missing finish gets added.
	elf_memory_.Clear();
	elf_memory_.SetData32(0x534, 0x7ffa3000);
	elf_memory_.SetData32(0x538, 0x80a1a2a3);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x534));
	ASSERT_EQ(4U, data_->size());
	ASSERT_EQ(0xa1, data_->at(0));
	ASSERT_EQ(0xa2, data_->at(1));
	ASSERT_EQ(0xa3, data_->at(2));
	ASSERT_EQ(0xb0, data_->at(3));
	}

	TEST_F(ArmExidxExtractTest, compact_non_zero_personality) {
	elf_memory_.SetData32(0x4000, 0x7ffa3000);

	uint32_t compact_value = 0x80a8b0b0;
	for (size_t i = 1; i < 16; i++) {
	elf_memory_.SetData32(0x4004, compact_value \| (i << 24));
	ASSERT_FALSE(exidx_->ExtractEntryData(0x4000));
	ASSERT_EQ(ARM_STATUS_INVALID_PERSONALITY, exidx_->status());
	}
	}

	TEST_F(ArmExidxExtractTest, second_read_compact_personality_1_2) {
	elf_memory_.SetData32(0x5000, 0x1234);
	elf_memory_.SetData32(0x5004, 0x00001230);
	elf_memory_.SetData32(0x6234, 0x8100f3b0);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(2U, data_->size());
	ASSERT_EQ(0xf3, data_->at(0));
	ASSERT_EQ(0xb0, data_->at(1));

	elf_memory_.Clear();
	elf_memory_.SetData32(0x5000, 0x1234);
	elf_memory_.SetData32(0x5004, 0x00001230);
	elf_memory_.SetData32(0x6234, 0x8200f3f4);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(3U, data_->size());
	ASSERT_EQ(0xf3, data_->at(0));
	ASSERT_EQ(0xf4, data_->at(1));
	ASSERT_EQ(0xb0, data_->at(2));

	elf_memory_.Clear();
	elf_memory_.SetData32(0x5000, 0x1234);
	elf_memory_.SetData32(0x5004, 0x00001230);
	elf_memory_.SetData32(0x6234, 0x8201f3f4);
	elf_memory_.SetData32(0x6238, 0x102030b0);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(6U, data_->size());
	ASSERT_EQ(0xf3, data_->at(0));
	ASSERT_EQ(0xf4, data_->at(1));
	ASSERT_EQ(0x10, data_->at(2));
	ASSERT_EQ(0x20, data_->at(3));
	ASSERT_EQ(0x30, data_->at(4));
	ASSERT_EQ(0xb0, data_->at(5));

	elf_memory_.Clear();
	elf_memory_.SetData32(0x5000, 0x1234);
	elf_memory_.SetData32(0x5004, 0x00001230);
	elf_memory_.SetData32(0x6234, 0x8103f3f4);
	elf_memory_.SetData32(0x6238, 0x10203040);
	elf_memory_.SetData32(0x623c, 0x50607080);
	elf_memory_.SetData32(0x6240, 0x90a0c0d0);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(15U, data_->size());
	ASSERT_EQ(0xf3, data_->at(0));
	ASSERT_EQ(0xf4, data_->at(1));
	ASSERT_EQ(0x10, data_->at(2));
	ASSERT_EQ(0x20, data_->at(3));
	ASSERT_EQ(0x30, data_->at(4));
	ASSERT_EQ(0x40, data_->at(5));
	ASSERT_EQ(0x50, data_->at(6));
	ASSERT_EQ(0x60, data_->at(7));
	ASSERT_EQ(0x70, data_->at(8));
	ASSERT_EQ(0x80, data_->at(9));
	ASSERT_EQ(0x90, data_->at(10));
	ASSERT_EQ(0xa0, data_->at(11));
	ASSERT_EQ(0xc0, data_->at(12));
	ASSERT_EQ(0xd0, data_->at(13));
	ASSERT_EQ(0xb0, data_->at(14));
	}

	TEST_F(ArmExidxExtractTest, second_read_compact_personality_illegal) {
	elf_memory_.SetData32(0x5000, 0x7ffa1e48);
	elf_memory_.SetData32(0x5004, 0x1230);
	elf_memory_.SetData32(0x6234, 0x832132b0);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_INVALID_PERSONALITY, exidx_->status());

	elf_memory_.Clear();
	elf_memory_.SetData32(0x5000, 0x7ffa1e48);
	elf_memory_.SetData32(0x5004, 0x1230);
	elf_memory_.SetData32(0x6234, 0x842132b0);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_INVALID_PERSONALITY, exidx_->status());
	}

	TEST_F(ArmExidxExtractTest, second_read_offset_is_negative) {
	elf_memory_.SetData32(0x5000, 0x7ffa1e48);
	elf_memory_.SetData32(0x5004, 0x7fffb1e0);
	elf_memory_.SetData32(0x1e4, 0x842132b0);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_INVALID_PERSONALITY, exidx_->status());
	}

	TEST_F(ArmExidxExtractTest, second_read_not_compact) {
	elf_memory_.SetData32(0x5000, 0x1234);
	elf_memory_.SetData32(0x5004, 0x00001230);
	elf_memory_.SetData32(0x6234, 0x1);
	elf_memory_.SetData32(0x6238, 0x001122b0);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(3U, data_->size());
	ASSERT_EQ(0x11, data_->at(0));
	ASSERT_EQ(0x22, data_->at(1));
	ASSERT_EQ(0xb0, data_->at(2));

	elf_memory_.Clear();
	elf_memory_.SetData32(0x5000, 0x1234);
	elf_memory_.SetData32(0x5004, 0x00001230);
	elf_memory_.SetData32(0x6234, 0x2);
	elf_memory_.SetData32(0x6238, 0x00112233);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(4U, data_->size());
	ASSERT_EQ(0x11, data_->at(0));
	ASSERT_EQ(0x22, data_->at(1));
	ASSERT_EQ(0x33, data_->at(2));
	ASSERT_EQ(0xb0, data_->at(3));

	elf_memory_.Clear();
	elf_memory_.SetData32(0x5000, 0x1234);
	elf_memory_.SetData32(0x5004, 0x00001230);
	elf_memory_.SetData32(0x6234, 0x3);
	elf_memory_.SetData32(0x6238, 0x01112233);
	elf_memory_.SetData32(0x623c, 0x445566b0);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(7U, data_->size());
	ASSERT_EQ(0x11, data_->at(0));
	ASSERT_EQ(0x22, data_->at(1));
	ASSERT_EQ(0x33, data_->at(2));
	ASSERT_EQ(0x44, data_->at(3));
	ASSERT_EQ(0x55, data_->at(4));
	ASSERT_EQ(0x66, data_->at(5));
	ASSERT_EQ(0xb0, data_->at(6));

	elf_memory_.Clear();
	elf_memory_.SetData32(0x5000, 0x1234);
	elf_memory_.SetData32(0x5004, 0x00001230);
	elf_memory_.SetData32(0x6234, 0x3);
	elf_memory_.SetData32(0x6238, 0x05112233);
	elf_memory_.SetData32(0x623c, 0x01020304);
	elf_memory_.SetData32(0x6240, 0x05060708);
	elf_memory_.SetData32(0x6244, 0x090a0b0c);
	elf_memory_.SetData32(0x6248, 0x0d0e0f10);
	elf_memory_.SetData32(0x624c, 0x11121314);
	ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(24U, data_->size());
	ASSERT_EQ(0x11, data_->at(0));
	ASSERT_EQ(0x22, data_->at(1));
	ASSERT_EQ(0x33, data_->at(2));
	ASSERT_EQ(0x01, data_->at(3));
	ASSERT_EQ(0x02, data_->at(4));
	ASSERT_EQ(0x03, data_->at(5));
	ASSERT_EQ(0x04, data_->at(6));
	ASSERT_EQ(0x05, data_->at(7));
	ASSERT_EQ(0x06, data_->at(8));
	ASSERT_EQ(0x07, data_->at(9));
	ASSERT_EQ(0x08, data_->at(10));
	ASSERT_EQ(0x09, data_->at(11));
	ASSERT_EQ(0x0a, data_->at(12));
	ASSERT_EQ(0x0b, data_->at(13));
	ASSERT_EQ(0x0c, data_->at(14));
	ASSERT_EQ(0x0d, data_->at(15));
	ASSERT_EQ(0x0e, data_->at(16));
	ASSERT_EQ(0x0f, data_->at(17));
	ASSERT_EQ(0x10, data_->at(18));
	ASSERT_EQ(0x11, data_->at(19));
	ASSERT_EQ(0x12, data_->at(20));
	ASSERT_EQ(0x13, data_->at(21));
	ASSERT_EQ(0x14, data_->at(22));
	ASSERT_EQ(0xb0, data_->at(23));
	}

	TEST_F(ArmExidxExtractTest, read_failures) {
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());

	elf_memory_.SetData32(0x5000, 0x100);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());

	elf_memory_.SetData32(0x5004, 0x100);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());

	elf_memory_.SetData32(0x5104, 0x1);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());

	elf_memory_.SetData32(0x5108, 0x01010203);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_READ_FAILED, exidx_->status());
	}

	TEST_F(ArmExidxExtractTest, malformed) {
	elf_memory_.SetData32(0x5000, 0x100);
	elf_memory_.SetData32(0x5004, 0x100);
	elf_memory_.SetData32(0x5104, 0x1);
	elf_memory_.SetData32(0x5108, 0x06010203);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_MALFORMED, exidx_->status());

	elf_memory_.Clear();
	elf_memory_.SetData32(0x5000, 0x100);
	elf_memory_.SetData32(0x5004, 0x100);
	elf_memory_.SetData32(0x5104, 0x1);
	elf_memory_.SetData32(0x5108, 0x81060203);
	ASSERT_FALSE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ(ARM_STATUS_MALFORMED, exidx_->status());
	}

	TEST_F(ArmExidxExtractTest, cant_unwind_log) {
	elf_memory_.SetData32(0x1000, 0x7fff2340);
	elf_memory_.SetData32(0x1004, 1);

	exidx_->set_log(true);
	exidx_->set_log_indent(0);
	exidx_->set_log_skip_execution(false);

	ASSERT_FALSE(exidx_->ExtractEntryData(0x1000));
	ASSERT_EQ(ARM_STATUS_NO_UNWIND, exidx_->status());

	ASSERT_EQ("4 unwind Raw Data: 0x00 0x00 0x00 0x01\n"
	"4 unwind [cantunwind]\n", GetFakeLogPrint());
	}

	TEST_F(ArmExidxExtractTest, raw_data_compact) {
	elf_memory_.SetData32(0x4000, 0x7ffa3000);
	elf_memory_.SetData32(0x4004, 0x80a8b0b0);

	exidx_->set_log(true);
	exidx_->set_log_indent(0);
	exidx_->set_log_skip_execution(false);

	ASSERT_TRUE(exidx_->ExtractEntryData(0x4000));
	ASSERT_EQ("4 unwind Raw Data: 0xa8 0xb0 0xb0\n", GetFakeLogPrint());
	}

	TEST_F(ArmExidxExtractTest, raw_data_non_compact) {
	elf_memory_.SetData32(0x5000, 0x1234);
	elf_memory_.SetData32(0x5004, 0x00001230);
	elf_memory_.SetData32(0x6234, 0x2);
	elf_memory_.SetData32(0x6238, 0x00112233);

	exidx_->set_log(true);
	exidx_->set_log_indent(0);
	exidx_->set_log_skip_execution(false);

	ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
	ASSERT_EQ("4 unwind Raw Data: 0x11 0x22 0x33 0xb0\n", GetFakeLogPrint());
	}

	} // namespace unwindstack