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aosp12/art/oatdump/oatdump_test.h

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/*
* Copyright (C) 2015 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.
*/
#ifndef ART_OATDUMP_OATDUMP_TEST_H_
#define ART_OATDUMP_OATDUMP_TEST_H_
#include <sstream>
#include <string>
#include <vector>
#include "android-base/strings.h"
#include "arch/instruction_set.h"
#include "base/file_utils.h"
#include "base/os.h"
#include "base/unix_file/fd_file.h"
#include "base/utils.h"
#include "common_runtime_test.h"
#include "exec_utils.h"
#include "gc/heap.h"
#include "gc/space/image_space.h"
#include <sys/types.h>
#include <unistd.h>
namespace art {
class OatDumpTest : public CommonRuntimeTest {
protected:
virtual void SetUp() {
CommonRuntimeTest::SetUp();
core_art_location_ = GetCoreArtLocation();
core_oat_location_ = GetSystemImageFilename(GetCoreOatLocation().c_str(), kRuntimeISA);
tmp_dir_ = GetScratchDir();
}
virtual void TearDown() {
ClearDirectory(tmp_dir_.c_str(), /*recursive*/ false);
ASSERT_EQ(rmdir(tmp_dir_.c_str()), 0);
CommonRuntimeTest::TearDown();
}
std::string GetScratchDir() {
// ANDROID_DATA needs to be set
CHECK_NE(static_cast<char*>(nullptr), getenv("ANDROID_DATA"));
std::string dir = getenv("ANDROID_DATA");
dir += "/oatdump-tmp-dir-XXXXXX";
if (mkdtemp(&dir[0]) == nullptr) {
PLOG(FATAL) << "mkdtemp(\"" << &dir[0] << "\") failed";
}
return dir;
}
// Linking flavor.
enum class Flavor {
kDynamic, // oatdump(d), dex2oat(d)
kStatic, // oatdump(d)s, dex2oat(d)s
};
// Returns path to the oatdump/dex2oat/dexdump binary.
std::string GetExecutableFilePath(const char* name, bool is_debug, bool is_static, bool bitness) {
std::string path = GetArtBinDir() + '/' + name;
if (is_debug) {
path += 'd';
}
if (is_static) {
path += 's';
}
if (bitness) {
path += Is64BitInstructionSet(kRuntimeISA) ? "64" : "32";
}
return path;
}
std::string GetExecutableFilePath(Flavor flavor, const char* name, bool bitness) {
return GetExecutableFilePath(name, kIsDebugBuild, flavor == Flavor::kStatic, bitness);
}
enum Mode {
kModeOat,
kModeCoreOat,
kModeOatWithBootImage,
kModeAppImage,
kModeArt,
kModeSymbolize,
};
// Display style.
enum Display {
kListOnly,
kListAndCode
};
std::string GetAppBaseName() {
// Use ProfileTestMultiDex as it contains references to boot image strings
// that shall use different code for PIC and non-PIC.
return "ProfileTestMultiDex";
}
void SetAppImageName(const std::string& name) {
app_image_name_ = name;
}
std::string GetAppImageName() {
if (app_image_name_.empty()) {
app_image_name_ = tmp_dir_ + "/" + GetAppBaseName() + ".art";
}
return app_image_name_;
}
std::string GetAppOdexName() {
return tmp_dir_ + "/" + GetAppBaseName() + ".odex";
}
::testing::AssertionResult GenerateAppOdexFile(Flavor flavor,
const std::vector<std::string>& args) {
std::string dex2oat_path =
GetExecutableFilePath(flavor, "dex2oat", /* bitness= */ kIsTargetBuild);
std::vector<std::string> exec_argv = {
dex2oat_path,
"--runtime-arg",
"-Xms64m",
"--runtime-arg",
"-Xmx512m",
"--runtime-arg",
"-Xnorelocate",
"--runtime-arg",
GetClassPathOption("-Xbootclasspath:", GetLibCoreDexFileNames()),
"--runtime-arg",
GetClassPathOption("-Xbootclasspath-locations:", GetLibCoreDexLocations()),
"--boot-image=" + GetCoreArtLocation(),
"--instruction-set=" + std::string(GetInstructionSetString(kRuntimeISA)),
"--dex-file=" + GetTestDexFileName(GetAppBaseName().c_str()),
"--oat-file=" + GetAppOdexName(),
"--compiler-filter=speed"
};
exec_argv.insert(exec_argv.end(), args.begin(), args.end());
auto post_fork_fn = []() {
setpgid(0, 0); // Change process groups, so we don't get reaped by ProcessManager.
// Ignore setpgid errors.
return setenv("ANDROID_LOG_TAGS", "*:e", 1) == 0; // We're only interested in errors and
// fatal logs.
};
std::string error_msg;
ForkAndExecResult res = ForkAndExec(exec_argv, post_fork_fn, &error_msg);
if (res.stage != ForkAndExecResult::kFinished) {
return ::testing::AssertionFailure() << strerror(errno);
}
return res.StandardSuccess() ? ::testing::AssertionSuccess()
: (::testing::AssertionFailure() << error_msg);
}
// Run the test with custom arguments.
::testing::AssertionResult Exec(Flavor flavor,
Mode mode,
const std::vector<std::string>& args,
Display display,
bool expect_failure = false) {
std::string file_path = GetExecutableFilePath(flavor, "oatdump", /* bitness= */ false);
if (!OS::FileExists(file_path.c_str())) {
return ::testing::AssertionFailure() << file_path << " should be a valid file path";
}
// ScratchFile scratch;
std::vector<std::string> exec_argv = { file_path };
std::vector<std::string> expected_prefixes;
if (mode == kModeSymbolize) {
exec_argv.push_back("--symbolize=" + core_oat_location_);
exec_argv.push_back("--output=" + core_oat_location_ + ".symbolize");
} else {
expected_prefixes.push_back("LOCATION:");
expected_prefixes.push_back("MAGIC:");
expected_prefixes.push_back("DEX FILE COUNT:");
if (display == kListAndCode) {
// Code and dex code do not show up if list only.
expected_prefixes.push_back("DEX CODE:");
expected_prefixes.push_back("CODE:");
expected_prefixes.push_back("StackMap");
}
if (mode == kModeArt) {
exec_argv.push_back("--runtime-arg");
exec_argv.push_back(GetClassPathOption("-Xbootclasspath:", GetLibCoreDexFileNames()));
exec_argv.push_back("--runtime-arg");
exec_argv.push_back(
GetClassPathOption("-Xbootclasspath-locations:", GetLibCoreDexLocations()));
exec_argv.push_back("--image=" + core_art_location_);
exec_argv.push_back("--instruction-set=" + std::string(
GetInstructionSetString(kRuntimeISA)));
expected_prefixes.push_back("IMAGE LOCATION:");
expected_prefixes.push_back("IMAGE BEGIN:");
expected_prefixes.push_back("kDexCaches:");
} else if (mode == kModeOatWithBootImage) {
exec_argv.push_back("--runtime-arg");
exec_argv.push_back(GetClassPathOption("-Xbootclasspath:", GetLibCoreDexFileNames()));
exec_argv.push_back("--runtime-arg");
exec_argv.push_back(
GetClassPathOption("-Xbootclasspath-locations:", GetLibCoreDexLocations()));
exec_argv.push_back("--boot-image=" + GetCoreArtLocation());
exec_argv.push_back("--instruction-set=" + std::string(
GetInstructionSetString(kRuntimeISA)));
exec_argv.push_back("--oat-file=" + GetAppOdexName());
} else if (mode == kModeAppImage) {
exec_argv.push_back("--runtime-arg");
exec_argv.push_back(GetClassPathOption("-Xbootclasspath:", GetLibCoreDexFileNames()));
exec_argv.push_back("--runtime-arg");
exec_argv.push_back(
GetClassPathOption("-Xbootclasspath-locations:", GetLibCoreDexLocations()));
exec_argv.push_back("--image=" + GetCoreArtLocation());
exec_argv.push_back("--instruction-set=" + std::string(
GetInstructionSetString(kRuntimeISA)));
exec_argv.push_back("--app-oat=" + GetAppOdexName());
exec_argv.push_back("--app-image=" + GetAppImageName());
} else if (mode == kModeCoreOat) {
exec_argv.push_back("--oat-file=" + core_oat_location_);
exec_argv.push_back("--dex-file=" + GetLibCoreDexFileNames()[0]);
} else {
CHECK_EQ(static_cast<size_t>(mode), static_cast<size_t>(kModeOat));
exec_argv.push_back("--oat-file=" + GetAppOdexName());
}
}
exec_argv.insert(exec_argv.end(), args.begin(), args.end());
std::vector<bool> found(expected_prefixes.size(), false);
auto line_handle_fn = [&found, &expected_prefixes](const char* line, size_t line_len) {
if (line_len == 0) {
return;
}
// Check contents.
for (size_t i = 0; i < expected_prefixes.size(); ++i) {
const std::string& expected = expected_prefixes[i];
if (!found[i] &&
line_len >= expected.length() &&
memcmp(line, expected.c_str(), expected.length()) == 0) {
found[i] = true;
}
}
};
static constexpr size_t kLineMax = 256;
char line[kLineMax] = {};
size_t line_len = 0;
size_t total = 0;
bool ignore_next_line = false;
std::vector<char> error_buf; // Buffer for debug output on error. Limited to 1M.
auto line_buf_fn = [&](char* buf, size_t len) {
total += len;
if (len == 0 && line_len > 0 && !ignore_next_line) {
// Everything done, handle leftovers.
line_handle_fn(line, line_len);
}
if (len > 0) {
size_t pos = error_buf.size();
if (pos < MB) {
error_buf.insert(error_buf.end(), buf, buf + len);
}
}
while (len > 0) {
// Copy buf into the free tail of the line buffer, and move input buffer along.
size_t copy = std::min(kLineMax - line_len, len);
memcpy(&line[line_len], buf, copy);
buf += copy;
len -= copy;
// Skip spaces up to len, return count of removed spaces. Declare a lambda for reuse.
auto trim_space = [&line](size_t len) {
size_t spaces = 0;
for (; spaces < len && isspace(line[spaces]); ++spaces) {}
if (spaces > 0) {
memmove(&line[0], &line[spaces], len - spaces);
}
return spaces;
};
// There can only be spaces if we freshly started a line.
if (line_len == 0) {
copy -= trim_space(copy);
}
// Scan for newline characters.
size_t index = line_len;
line_len += copy;
while (index < line_len) {
if (line[index] == '\n') {
// Handle line.
if (!ignore_next_line) {
line_handle_fn(line, index);
}
// Move the rest to the front, but trim leading spaces.
line_len -= index + 1;
memmove(&line[0], &line[index + 1], line_len);
line_len -= trim_space(line_len);
index = 0;
ignore_next_line = false;
} else {
index++;
}
}
// Handle a full line without newline characters. Ignore the "next" line, as it is the
// tail end of this.
if (line_len == kLineMax) {
if (!ignore_next_line) {
line_handle_fn(line, kLineMax);
}
line_len = 0;
ignore_next_line = true;
}
}
};
auto post_fork_fn = []() {
setpgid(0, 0); // Change process groups, so we don't get reaped by ProcessManager.
return true; // Ignore setpgid failures.
};
ForkAndExecResult res = ForkAndExec(exec_argv, post_fork_fn, line_buf_fn);
if (res.stage != ForkAndExecResult::kFinished) {
return ::testing::AssertionFailure() << strerror(errno);
}
error_buf.push_back(0); // Make data a C string.
if (!res.StandardSuccess()) {
if (expect_failure && WIFEXITED(res.status_code)) {
// Avoid crash as valid exit.
return ::testing::AssertionSuccess();
}
std::ostringstream cmd;
std::copy(exec_argv.begin(), exec_argv.end(), std::ostream_iterator<std::string>(cmd, " "));
LOG(ERROR) << "Output: " << error_buf.data(); // Output first as it might be extremely long.
LOG(ERROR) << "Failed command: " << cmd.str(); // Useful to reproduce the failure separately.
return ::testing::AssertionFailure() << "Did not terminate successfully: " << res.status_code;
} else if (expect_failure) {
return ::testing::AssertionFailure() << "Expected failure";
}
if (mode == kModeSymbolize) {
EXPECT_EQ(total, 0u);
} else {
EXPECT_GT(total, 0u);
}
bool result = true;
std::ostringstream oss;
for (size_t i = 0; i < expected_prefixes.size(); ++i) {
if (!found[i]) {
oss << "Did not find prefix " << expected_prefixes[i] << std::endl;
result = false;
}
}
if (!result) {
oss << "Processed bytes " << total << ":" << std::endl;
}
return result ? ::testing::AssertionSuccess()
: (::testing::AssertionFailure() << oss.str() << error_buf.data());
}
std::string tmp_dir_;
std::string app_image_name_;
private:
std::string core_art_location_;
std::string core_oat_location_;
};
} // namespace art
#endif // ART_OATDUMP_OATDUMP_TEST_H_
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