107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/*
|
|
* 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 _DEBUGGERD_TEST_BACKTRACE_MOCK_H
|
|
#define _DEBUGGERD_TEST_BACKTRACE_MOCK_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/ucontext.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include <backtrace/Backtrace.h>
|
|
#include <backtrace/BacktraceMap.h>
|
|
|
|
class BacktraceMapMock : public BacktraceMap {
|
|
public:
|
|
BacktraceMapMock() : BacktraceMap(0) {}
|
|
virtual ~BacktraceMapMock() {}
|
|
|
|
void AddMap(backtrace_map_t& map) {
|
|
maps_.push_back(map);
|
|
}
|
|
};
|
|
|
|
|
|
class BacktraceMock : public Backtrace {
|
|
public:
|
|
BacktraceMock(BacktraceMapMock* map) : Backtrace(0, 0, map) {
|
|
if (map_ == nullptr) {
|
|
abort();
|
|
}
|
|
}
|
|
virtual ~BacktraceMock() {}
|
|
|
|
virtual bool Unwind(size_t, ucontext_t*) { return false; }
|
|
virtual bool ReadWord(uintptr_t, word_t*) { return false;}
|
|
|
|
virtual std::string GetFunctionNameRaw(uintptr_t, uintptr_t*) { return ""; }
|
|
|
|
virtual size_t Read(uintptr_t addr, uint8_t* buffer, size_t bytes) {
|
|
size_t offset = 0;
|
|
if (last_read_addr_ > 0) {
|
|
offset = addr - last_read_addr_;
|
|
}
|
|
size_t bytes_available = buffer_.size() - offset;
|
|
|
|
if (do_partial_read_) {
|
|
// Do a partial read.
|
|
if (bytes > bytes_partial_read_) {
|
|
bytes = bytes_partial_read_;
|
|
}
|
|
bytes_partial_read_ -= bytes;
|
|
// Only support a single partial read.
|
|
do_partial_read_ = false;
|
|
} else if (bytes > bytes_available) {
|
|
bytes = bytes_available;
|
|
}
|
|
|
|
if (bytes > 0) {
|
|
memcpy(buffer, buffer_.data() + offset, bytes);
|
|
}
|
|
|
|
last_read_addr_ = addr;
|
|
return bytes;
|
|
}
|
|
|
|
void SetReadData(uint8_t* buffer, size_t bytes) {
|
|
buffer_.resize(bytes);
|
|
memcpy(buffer_.data(), buffer, bytes);
|
|
bytes_partial_read_ = 0;
|
|
do_partial_read_ = false;
|
|
last_read_addr_ = 0;
|
|
}
|
|
|
|
void SetPartialReadAmount(size_t bytes) {
|
|
if (bytes > buffer_.size()) {
|
|
abort();
|
|
}
|
|
bytes_partial_read_ = bytes;
|
|
do_partial_read_ = true;
|
|
}
|
|
|
|
private:
|
|
std::vector<uint8_t> buffer_;
|
|
size_t bytes_partial_read_ = 0;
|
|
uintptr_t last_read_addr_ = 0;
|
|
bool do_partial_read_ = false;
|
|
};
|
|
|
|
#endif // _DEBUGGERD_TEST_BACKTRACE_MOCK_H
|