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//===-- NativeProcessTestUtils.cpp ------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_UNITTESTS_TESTINGSUPPORT_HOST_NATIVEPROCESSTESTUTILS_H
#define LLDB_UNITTESTS_TESTINGSUPPORT_HOST_NATIVEPROCESSTESTUTILS_H
#include "lldb/Host/common/NativeProcessProtocol.h"
#include "llvm/Testing/Support/Error.h"
#include "gmock/gmock.h"
using namespace lldb_private;
using namespace lldb;
using namespace testing;
namespace lldb_private {
class MockDelegate : public NativeProcessProtocol::NativeDelegate {
public:
MOCK_METHOD1(InitializeDelegate, void(NativeProcessProtocol *Process));
MOCK_METHOD2(ProcessStateChanged,
void(NativeProcessProtocol *Process, StateType State));
MOCK_METHOD1(DidExec, void(NativeProcessProtocol *Process));
};
// NB: This class doesn't use the override keyword to avoid
// -Winconsistent-missing-override warnings from the compiler. The
// inconsistency comes from the overriding definitions in the MOCK_*** macros.
template <typename T> class MockProcess : public T {
public:
MockProcess(NativeProcessProtocol::NativeDelegate &Delegate,
const ArchSpec &Arch, lldb::pid_t Pid = 1)
: T(Pid, -1, Delegate), Arch(Arch) {}
MOCK_METHOD1(Resume, Status(const ResumeActionList &ResumeActions));
MOCK_METHOD0(Halt, Status());
MOCK_METHOD0(Detach, Status());
MOCK_METHOD1(Signal, Status(int Signo));
MOCK_METHOD0(Kill, Status());
MOCK_METHOD3(AllocateMemory,
Status(size_t Size, uint32_t Permissions, addr_t &Addr));
MOCK_METHOD1(DeallocateMemory, Status(addr_t Addr));
MOCK_METHOD0(GetSharedLibraryInfoAddress, addr_t());
MOCK_METHOD0(UpdateThreads, size_t());
MOCK_CONST_METHOD0(GetAuxvData,
llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>());
MOCK_METHOD2(GetLoadedModuleFileSpec,
Status(const char *ModulePath, FileSpec &Spec));
MOCK_METHOD2(GetFileLoadAddress,
Status(const llvm::StringRef &FileName, addr_t &Addr));
const ArchSpec &GetArchitecture() const /*override*/ { return Arch; }
Status SetBreakpoint(lldb::addr_t Addr, uint32_t Size,
bool Hardware) /*override*/ {
if (Hardware)
return this->SetHardwareBreakpoint(Addr, Size);
else
return this->SetSoftwareBreakpoint(Addr, Size);
}
// Redirect base class Read/Write Memory methods to functions whose signatures
// are more mock-friendly.
Status ReadMemory(addr_t Addr, void *Buf, size_t Size,
size_t &BytesRead) /*override*/ {
auto ExpectedMemory = this->ReadMemory(Addr, Size);
if (!ExpectedMemory) {
BytesRead = 0;
return Status(ExpectedMemory.takeError());
}
BytesRead = ExpectedMemory->size();
assert(BytesRead <= Size);
std::memcpy(Buf, ExpectedMemory->data(), BytesRead);
return Status();
}
Status WriteMemory(addr_t Addr, const void *Buf, size_t Size,
size_t &BytesWritten) /*override*/ {
auto ExpectedBytes = this->WriteMemory(
Addr, llvm::makeArrayRef(static_cast<const uint8_t *>(Buf), Size));
if (!ExpectedBytes) {
BytesWritten = 0;
return Status(ExpectedBytes.takeError());
}
BytesWritten = *ExpectedBytes;
return Status();
}
MOCK_METHOD2(ReadMemory,
llvm::Expected<std::vector<uint8_t>>(addr_t Addr, size_t Size));
MOCK_METHOD2(WriteMemory,
llvm::Expected<size_t>(addr_t Addr,
llvm::ArrayRef<uint8_t> Data));
using T::GetSoftwareBreakpointTrapOpcode;
llvm::Expected<std::vector<uint8_t>> ReadMemoryWithoutTrap(addr_t Addr,
size_t Size) {
std::vector<uint8_t> Data(Size, 0);
size_t BytesRead;
Status ST =
T::ReadMemoryWithoutTrap(Addr, Data.data(), Data.size(), BytesRead);
if (ST.Fail())
return ST.ToError();
Data.resize(BytesRead);
return std::move(Data);
}
private:
ArchSpec Arch;
};
class FakeMemory {
public:
FakeMemory(llvm::ArrayRef<uint8_t> Data, addr_t start_addr = 0)
: Data(Data), m_start_addr(start_addr) {}
FakeMemory(const void *Data, size_t data_size, addr_t start_addr = 0)
: Data((const uint8_t *)Data, ((const uint8_t *)Data) + data_size),
m_start_addr(start_addr) {}
llvm::Expected<std::vector<uint8_t>> Read(addr_t Addr, size_t Size) {
Addr -= m_start_addr;
if (Addr >= Data.size())
return llvm::createStringError(llvm::inconvertibleErrorCode(),
"Address out of range.");
Size = std::min(Size, Data.size() - (size_t)Addr);
auto Begin = std::next(Data.begin(), Addr);
return std::vector<uint8_t>(Begin, std::next(Begin, Size));
}
llvm::Expected<size_t> Write(addr_t Addr, llvm::ArrayRef<uint8_t> Chunk) {
Addr -= m_start_addr;
if (Addr >= Data.size())
return llvm::createStringError(llvm::inconvertibleErrorCode(),
"Address out of range.");
size_t Size = std::min(Chunk.size(), Data.size() - (size_t)Addr);
std::copy_n(Chunk.begin(), Size, &Data[Addr]);
return Size;
}
private:
std::vector<uint8_t> Data;
addr_t m_start_addr;
};
} // namespace lldb_private
#endif
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