/thirdparty/breakpad/processor/stackwalker_unittest_utils.h
http://github.com/tomahawk-player/tomahawk · C Header · 180 lines · 117 code · 26 blank · 37 comment · 5 complexity · 4c44630c7c1b4702fc6257755c262be7 MD5 · raw file
- // -*- mode: C++ -*-
- // Copyright (c) 2010, Google Inc.
- // All rights reserved.
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Google Inc. nor the names of its
- // contributors may be used to endorse or promote products derived from
- // this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
- // Mock classes for writing stackwalker tests, shared amongst architectures.
- #ifndef PROCESSOR_STACKWALKER_UNITTEST_UTILS_H_
- #define PROCESSOR_STACKWALKER_UNITTEST_UTILS_H_
- #include <stdlib.h>
- #include <string>
- #include <vector>
- #include "google_breakpad/common/breakpad_types.h"
- #include "google_breakpad/processor/code_module.h"
- #include "google_breakpad/processor/code_modules.h"
- #include "google_breakpad/processor/memory_region.h"
- #include "google_breakpad/processor/symbol_supplier.h"
- #include "google_breakpad/processor/system_info.h"
- class MockMemoryRegion: public google_breakpad::MemoryRegion {
- public:
- MockMemoryRegion(): base_address_(0) { }
- // Set this region's address and contents. If we have placed an
- // instance of this class in a test fixture class, individual tests
- // can use this to provide the region's contents.
- void Init(u_int64_t base_address, const std::string &contents) {
- base_address_ = base_address;
- contents_ = contents;
- }
- u_int64_t GetBase() const { return base_address_; }
- u_int32_t GetSize() const { return contents_.size(); }
- bool GetMemoryAtAddress(u_int64_t address, u_int8_t *value) const {
- return GetMemoryLittleEndian(address, value);
- }
- bool GetMemoryAtAddress(u_int64_t address, u_int16_t *value) const {
- return GetMemoryLittleEndian(address, value);
- }
- bool GetMemoryAtAddress(u_int64_t address, u_int32_t *value) const {
- return GetMemoryLittleEndian(address, value);
- }
- bool GetMemoryAtAddress(u_int64_t address, u_int64_t *value) const {
- return GetMemoryLittleEndian(address, value);
- }
- private:
- // Fetch a little-endian value from ADDRESS in contents_ whose size
- // is BYTES, and store it in *VALUE. Return true on success.
- template<typename ValueType>
- bool GetMemoryLittleEndian(u_int64_t address, ValueType *value) const {
- if (address < base_address_ ||
- address - base_address_ + sizeof(ValueType) > contents_.size())
- return false;
- ValueType v = 0;
- int start = address - base_address_;
- // The loop condition is odd, but it's correct for size_t.
- for (size_t i = sizeof(ValueType) - 1; i < sizeof(ValueType); i--)
- v = (v << 8) | static_cast<unsigned char>(contents_[start + i]);
- *value = v;
- return true;
- }
- u_int64_t base_address_;
- std::string contents_;
- };
- class MockCodeModule: public google_breakpad::CodeModule {
- public:
- MockCodeModule(u_int64_t base_address, u_int64_t size,
- const std::string &code_file, const std::string &version)
- : base_address_(base_address), size_(size), code_file_(code_file) { }
- u_int64_t base_address() const { return base_address_; }
- u_int64_t size() const { return size_; }
- std::string code_file() const { return code_file_; }
- std::string code_identifier() const { return code_file_; }
- std::string debug_file() const { return code_file_; }
- std::string debug_identifier() const { return code_file_; }
- std::string version() const { return version_; }
- const google_breakpad::CodeModule *Copy() const {
- abort(); // Tests won't use this.
- }
- private:
- u_int64_t base_address_;
- u_int64_t size_;
- std::string code_file_;
- std::string version_;
- };
- class MockCodeModules: public google_breakpad::CodeModules {
- public:
- typedef google_breakpad::CodeModule CodeModule;
- typedef google_breakpad::CodeModules CodeModules;
- void Add(const MockCodeModule *module) {
- modules_.push_back(module);
- }
- unsigned int module_count() const { return modules_.size(); }
- const CodeModule *GetModuleForAddress(u_int64_t address) const {
- for (ModuleVector::const_iterator i = modules_.begin();
- i != modules_.end(); i++) {
- const MockCodeModule *module = *i;
- if (module->base_address() <= address &&
- address - module->base_address() < module->size())
- return module;
- }
- return NULL;
- };
- const CodeModule *GetMainModule() const { return modules_[0]; }
- const CodeModule *GetModuleAtSequence(unsigned int sequence) const {
- return modules_.at(sequence);
- }
- const CodeModule *GetModuleAtIndex(unsigned int index) const {
- return modules_.at(index);
- }
- const CodeModules *Copy() const { abort(); } // Tests won't use this.
- private:
- typedef std::vector<const MockCodeModule *> ModuleVector;
- ModuleVector modules_;
- };
- class MockSymbolSupplier: public google_breakpad::SymbolSupplier {
- public:
- typedef google_breakpad::CodeModule CodeModule;
- typedef google_breakpad::SystemInfo SystemInfo;
- MOCK_METHOD3(GetSymbolFile, SymbolResult(const CodeModule *module,
- const SystemInfo *system_info,
- std::string *symbol_file));
- MOCK_METHOD4(GetSymbolFile, SymbolResult(const CodeModule *module,
- const SystemInfo *system_info,
- std::string *symbol_file,
- std::string *symbol_data));
- MOCK_METHOD4(GetCStringSymbolData, SymbolResult(const CodeModule *module,
- const SystemInfo *system_info,
- std::string *symbol_file,
- char **symbol_data));
- MOCK_METHOD1(FreeSymbolData, void(const CodeModule *module));
- };
- #endif // PROCESSOR_STACKWALKER_UNITTEST_UTILS_H_