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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_ANDROID_ORDERFILE_ORDERFILE_INSTRUMENTATION_H_
#define BASE_ANDROID_ORDERFILE_ORDERFILE_INSTRUMENTATION_H_
#include <cstdint>
#include <string>
#include <vector>
#include "base/android/orderfile/orderfile_buildflags.h"
namespace base {
namespace android {
namespace orderfile {
#if BUILDFLAG(DEVTOOLS_INSTRUMENTATION_DUMPING)
constexpr int kPhases = 2;
#else
constexpr int kPhases = 1;
#endif // BUILDFLAG(DEVTOOLS_INSTRUMENTATION_DUMPING)
constexpr size_t kStartOfTextForTesting = 1000;
constexpr size_t kEndOfTextForTesting = kStartOfTextForTesting + 1000 * 1000;
// Stop recording. Returns false if recording was already disabled.
bool Disable();
// Switches to the next recording phase. If called from the last phase, dumps
// the data to disk, and returns |true|. |pid| is the current process pid, and
// |start_ns_since_epoch| the process start timestamp.
bool SwitchToNextPhaseOrDump(int pid, uint64_t start_ns_since_epoch);
// Starts a thread to dump instrumentation after a delay.
void StartDelayedDump();
// Dumps all information for the current process, annotating the dump file name
// with the given tag. Will disable instrumentation. Instrumentation must be
// disabled before this is called.
void Dump(const std::string& tag);
// Record an |address|, if recording is enabled. Only for testing.
void RecordAddressForTesting(size_t address);
// Record |callee_address, caller_address|, if recording is enabled.
// Only for testing.
void RecordAddressForTesting(size_t callee_address, size_t caller_address);
// Resets the state. Only for testing.
void ResetForTesting();
// Returns an ordered list of reached offsets. Only for testing.
std::vector<size_t> GetOrderedOffsetsForTesting();
} // namespace orderfile
} // namespace android
} // namespace base
#endif // BASE_ANDROID_ORDERFILE_ORDERFILE_INSTRUMENTATION_H_
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