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/*
* Copyright (C) 2017 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 <string>
#include <vector>
#include "base/common_art_test.h"
#include "base/file_utils.h"
#include "base/os.h"
#include "exec_utils.h"
#include "oat_file.h"
namespace art {
static const char* kDexDiagContains = "--contains=boot.vdex";
static const char* kDexDiagContainsFails = "--contains=anything_other_than_core.vdex";
static const char* kDexDiagHelp = "--help";
static const char* kDexDiagVerbose = "--verbose";
static const char* kDexDiagBinaryName = "dexdiag";
class DexDiagTest : public CommonArtTest {
protected:
void SetUp() override {
CommonArtTest::SetUp();
}
// Path to the dexdiag(d?)[32|64] binary.
std::string GetDexDiagFilePath() {
std::string path = GetArtBinDir() + '/' + kDexDiagBinaryName;
std::string path32 = path + "32";
// If we have both a 32-bit and a 64-bit build, the 32-bit file will have a 32 suffix.
if (OS::FileExists(path32.c_str()) && !Is64BitInstructionSet(kRuntimeISA)) {
return path32;
} else {
// This is a 64-bit build or only a single build exists.
return path;
}
}
std::unique_ptr<OatFile> OpenOatAndVdexFiles() {
// Open the core.oat file.
// This is a little convoluted because we have to
// get the location of the default core image (.../framework/core.oat),
// find it in the right architecture subdirectory (.../framework/arm/core.oat),
// Then, opening the oat file has the side-effect of opening the corresponding
// vdex file (.../framework/arm/core.vdex).
const std::string default_location = GetCoreOatLocation();
EXPECT_TRUE(!default_location.empty());
std::string oat_location = GetSystemImageFilename(default_location.c_str(), kRuntimeISA);
EXPECT_TRUE(!oat_location.empty());
std::cout << "==" << oat_location << std::endl;
std::string error_msg;
std::unique_ptr<OatFile> oat(OatFile::Open(/*zip_fd=*/ -1,
oat_location.c_str(),
oat_location.c_str(),
/*executable=*/ false,
/*low_4gb=*/ false,
&error_msg));
EXPECT_TRUE(oat != nullptr) << error_msg;
return oat;
}
// Run dexdiag with a custom boot image location.
bool Exec(pid_t this_pid, const std::vector<std::string>& args, std::string* error_msg) {
// Invoke 'dexdiag' against the current process.
// This should succeed because we have a runtime and so it should
// be able to map in the boot.art and do a diff for it.
std::vector<std::string> exec_argv;
// Build the command line "dexdiag <args> this_pid".
std::string executable_path = GetDexDiagFilePath();
EXPECT_TRUE(OS::FileExists(executable_path.c_str())) << executable_path
<< " should be a valid file path";
exec_argv.push_back(executable_path);
for (const auto& arg : args) {
exec_argv.push_back(arg);
}
exec_argv.push_back(std::to_string(this_pid));
return ::art::Exec(exec_argv, error_msg);
}
};
// We can't run these tests on the host, as they will fail when trying to open
// /proc/pid/pagemap.
// On the target, we invoke 'dexdiag' against the current process.
// This should succeed because we have a runtime and so dexdiag should
// be able to find the map for, e.g., boot.vdex and friends.
TEST_F(DexDiagTest, DexDiagHelpTest) {
// TODO: test the resulting output.
std::string error_msg;
ASSERT_TRUE(Exec(getpid(), { kDexDiagHelp }, &error_msg)) << "Failed to execute -- because: "
<< error_msg;
}
#if defined (ART_TARGET)
TEST_F(DexDiagTest, DexDiagContainsTest) {
#else
TEST_F(DexDiagTest, DISABLED_DexDiagContainsTest) {
#endif
std::unique_ptr<OatFile> oat = OpenOatAndVdexFiles();
// TODO: test the resulting output.
std::string error_msg;
ASSERT_TRUE(Exec(getpid(), { kDexDiagContains }, &error_msg)) << "Failed to execute -- because: "
<< error_msg;
}
#if defined (ART_TARGET)
TEST_F(DexDiagTest, DexDiagContainsFailsTest) {
#else
TEST_F(DexDiagTest, DISABLED_DexDiagContainsFailsTest) {
#endif
std::unique_ptr<OatFile> oat = OpenOatAndVdexFiles();
// TODO: test the resulting output.
std::string error_msg;
ASSERT_FALSE(Exec(getpid(), { kDexDiagContainsFails }, &error_msg))
<< "Failed to execute -- because: "
<< error_msg;
}
#if defined (ART_TARGET)
TEST_F(DexDiagTest, DexDiagVerboseTest) {
#else
TEST_F(DexDiagTest, DISABLED_DexDiagVerboseTest) {
#endif
// TODO: test the resulting output.
std::unique_ptr<OatFile> oat = OpenOatAndVdexFiles();
std::string error_msg;
ASSERT_TRUE(Exec(getpid(), { kDexDiagVerbose }, &error_msg)) << "Failed to execute -- because: "
<< error_msg;
}
} // namespace art
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