229 lines
6.9 KiB
C++
229 lines
6.9 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_OATDUMP_OATDUMP_TEST_H_
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#define ART_OATDUMP_OATDUMP_TEST_H_
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#include <sstream>
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#include <string>
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#include <vector>
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#include "android-base/strings.h"
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#include "common_runtime_test.h"
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#include "base/unix_file/fd_file.h"
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#include "runtime/arch/instruction_set.h"
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#include "runtime/exec_utils.h"
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#include "runtime/gc/heap.h"
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#include "runtime/gc/space/image_space.h"
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#include "runtime/os.h"
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#include "runtime/utils.h"
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#include "utils.h"
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#include <sys/types.h>
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#include <unistd.h>
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namespace art {
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class OatDumpTest : public CommonRuntimeTest {
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protected:
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virtual void SetUp() {
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CommonRuntimeTest::SetUp();
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core_art_location_ = GetCoreArtLocation();
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core_oat_location_ = GetSystemImageFilename(GetCoreOatLocation().c_str(), kRuntimeISA);
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}
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// Linking flavor.
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enum Flavor {
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kDynamic, // oatdump(d)
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kStatic, // oatdump(d)s
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};
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// Returns path to the oatdump binary.
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std::string GetOatDumpFilePath(Flavor flavor) {
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std::string root = GetTestAndroidRoot();
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root += "/bin/oatdump";
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if (kIsDebugBuild) {
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root += "d";
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}
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if (flavor == kStatic) {
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root += "s";
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}
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return root;
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}
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enum Mode {
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kModeOat,
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kModeArt,
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kModeSymbolize,
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};
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// Display style.
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enum Display {
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kListOnly,
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kListAndCode
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};
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// Run the test with custom arguments.
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bool Exec(Flavor flavor,
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Mode mode,
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const std::vector<std::string>& args,
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Display display,
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std::string* error_msg) {
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std::string file_path = GetOatDumpFilePath(flavor);
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EXPECT_TRUE(OS::FileExists(file_path.c_str())) << file_path << " should be a valid file path";
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// ScratchFile scratch;
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std::vector<std::string> exec_argv = { file_path };
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std::vector<std::string> expected_prefixes;
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if (mode == kModeSymbolize) {
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exec_argv.push_back("--symbolize=" + core_oat_location_);
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exec_argv.push_back("--output=" + core_oat_location_ + ".symbolize");
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} else {
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expected_prefixes.push_back("Dex file data for");
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expected_prefixes.push_back("Num string ids:");
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expected_prefixes.push_back("Num field ids:");
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expected_prefixes.push_back("Num method ids:");
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expected_prefixes.push_back("LOCATION:");
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expected_prefixes.push_back("MAGIC:");
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expected_prefixes.push_back("DEX FILE COUNT:");
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if (display == kListAndCode) {
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// Code and dex code do not show up if list only.
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expected_prefixes.push_back("DEX CODE:");
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expected_prefixes.push_back("CODE:");
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expected_prefixes.push_back("CodeInfoEncoding");
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expected_prefixes.push_back("CodeInfoInlineInfo");
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}
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if (mode == kModeArt) {
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exec_argv.push_back("--image=" + core_art_location_);
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exec_argv.push_back("--instruction-set=" + std::string(
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GetInstructionSetString(kRuntimeISA)));
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expected_prefixes.push_back("IMAGE LOCATION:");
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expected_prefixes.push_back("IMAGE BEGIN:");
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expected_prefixes.push_back("kDexCaches:");
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} else {
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CHECK_EQ(static_cast<size_t>(mode), static_cast<size_t>(kModeOat));
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exec_argv.push_back("--oat-file=" + core_oat_location_);
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}
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}
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exec_argv.insert(exec_argv.end(), args.begin(), args.end());
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bool result = true;
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// We must set --android-root.
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int link[2];
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if (pipe(link) == -1) {
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*error_msg = strerror(errno);
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return false;
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}
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const pid_t pid = fork();
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if (pid == -1) {
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*error_msg = strerror(errno);
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return false;
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}
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if (pid == 0) {
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dup2(link[1], STDOUT_FILENO);
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close(link[0]);
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close(link[1]);
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// change process groups, so we don't get reaped by ProcessManager
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setpgid(0, 0);
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// Use execv here rather than art::Exec to avoid blocking on waitpid here.
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std::vector<char*> argv;
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for (size_t i = 0; i < exec_argv.size(); ++i) {
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argv.push_back(const_cast<char*>(exec_argv[i].c_str()));
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}
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argv.push_back(nullptr);
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UNUSED(execv(argv[0], &argv[0]));
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const std::string command_line(android::base::Join(exec_argv, ' '));
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PLOG(ERROR) << "Failed to execv(" << command_line << ")";
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// _exit to avoid atexit handlers in child.
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_exit(1);
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} else {
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close(link[1]);
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static const size_t kLineMax = 256;
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char line[kLineMax] = {};
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size_t line_len = 0;
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size_t total = 0;
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std::vector<bool> found(expected_prefixes.size(), false);
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while (true) {
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while (true) {
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size_t spaces = 0;
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// Trim spaces at the start of the line.
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for (; spaces < line_len && isspace(line[spaces]); ++spaces) {}
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if (spaces > 0) {
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line_len -= spaces;
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memmove(&line[0], &line[spaces], line_len);
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}
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ssize_t bytes_read =
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TEMP_FAILURE_RETRY(read(link[0], &line[line_len], kLineMax - line_len));
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if (bytes_read <= 0) {
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break;
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}
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line_len += bytes_read;
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total += bytes_read;
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}
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if (line_len == 0) {
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break;
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}
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// Check contents.
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for (size_t i = 0; i < expected_prefixes.size(); ++i) {
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const std::string& expected = expected_prefixes[i];
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if (!found[i] &&
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line_len >= expected.length() &&
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memcmp(line, expected.c_str(), expected.length()) == 0) {
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found[i] = true;
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}
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}
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// Skip to next line.
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size_t next_line = 0;
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for (; next_line + 1 < line_len && line[next_line] != '\n'; ++next_line) {}
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line_len -= next_line + 1;
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memmove(&line[0], &line[next_line + 1], line_len);
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}
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if (mode == kModeSymbolize) {
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EXPECT_EQ(total, 0u);
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} else {
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EXPECT_GT(total, 0u);
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}
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LOG(INFO) << "Processed bytes " << total;
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close(link[0]);
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int status = 0;
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if (waitpid(pid, &status, 0) != -1) {
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result = (status == 0);
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}
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for (size_t i = 0; i < expected_prefixes.size(); ++i) {
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if (!found[i]) {
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LOG(ERROR) << "Did not find prefix " << expected_prefixes[i];
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result = false;
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}
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}
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}
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return result;
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}
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private:
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std::string core_art_location_;
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std::string core_oat_location_;
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};
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} // namespace art
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#endif // ART_OATDUMP_OATDUMP_TEST_H_
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