llvm-project/lldb/unittests/Target/ExecutionContextTest.cpp

121 lines
3.8 KiB
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//===-- ExecutionContextTest.cpp ------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "lldb/Target/ExecutionContext.h"
#include "Plugins/Platform/Linux/PlatformLinux.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Target/Platform.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/Endian.h"
#include "lldb/Utility/Reproducer.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-forward.h"
#include "lldb/lldb-private-enumerations.h"
#include "lldb/lldb-private.h"
#include "llvm/Support/FormatVariadic.h"
#include "gtest/gtest.h"
using namespace lldb_private;
using namespace lldb_private::repro;
using namespace lldb;
namespace {
class ExecutionContextTest : public ::testing::Test {
public:
void SetUp() override {
llvm::cantFail(Reproducer::Initialize(ReproducerMode::Off, llvm::None));
FileSystem::Initialize();
HostInfo::Initialize();
platform_linux::PlatformLinux::Initialize();
}
void TearDown() override {
platform_linux::PlatformLinux::Terminate();
HostInfo::Terminate();
FileSystem::Terminate();
Reproducer::Terminate();
}
};
class DummyProcess : public Process {
public:
using Process::Process;
bool CanDebug(lldb::TargetSP target, bool plugin_specified_by_name) override {
return true;
}
Status DoDestroy() override { return {}; }
void RefreshStateAfterStop() override {}
size_t DoReadMemory(lldb::addr_t vm_addr, void *buf, size_t size,
Status &error) override {
return 0;
}
bool DoUpdateThreadList(ThreadList &old_thread_list,
ThreadList &new_thread_list) override {
return false;
}
ConstString GetPluginName() override { return ConstString("Dummy"); }
uint32_t GetPluginVersion() override { return 0; }
};
} // namespace
TEST_F(ExecutionContextTest, GetByteOrder) {
ExecutionContext exe_ctx(nullptr, nullptr, nullptr);
EXPECT_EQ(endian::InlHostByteOrder(), exe_ctx.GetByteOrder());
}
TEST_F(ExecutionContextTest, GetByteOrderTarget) {
ArchSpec arch("powerpc64-pc-linux");
Platform::SetHostPlatform(
platform_linux::PlatformLinux::CreateInstance(true, &arch));
DebuggerSP debugger_sp = Debugger::CreateInstance();
ASSERT_TRUE(debugger_sp);
TargetSP target_sp;
PlatformSP platform_sp;
Status error = debugger_sp->GetTargetList().CreateTarget(
*debugger_sp, "", arch, eLoadDependentsNo, platform_sp, target_sp);
ASSERT_TRUE(target_sp);
ASSERT_TRUE(target_sp->GetArchitecture().IsValid());
ASSERT_TRUE(platform_sp);
ExecutionContext target_ctx(target_sp, false);
EXPECT_EQ(target_sp->GetArchitecture().GetByteOrder(),
target_ctx.GetByteOrder());
}
TEST_F(ExecutionContextTest, GetByteOrderProcess) {
ArchSpec arch("powerpc64-pc-linux");
Platform::SetHostPlatform(
platform_linux::PlatformLinux::CreateInstance(true, &arch));
DebuggerSP debugger_sp = Debugger::CreateInstance();
ASSERT_TRUE(debugger_sp);
TargetSP target_sp;
PlatformSP platform_sp;
Status error = debugger_sp->GetTargetList().CreateTarget(
*debugger_sp, "", arch, eLoadDependentsNo, platform_sp, target_sp);
ASSERT_TRUE(target_sp);
ASSERT_TRUE(target_sp->GetArchitecture().IsValid());
ASSERT_TRUE(platform_sp);
ListenerSP listener_sp(Listener::MakeListener("dummy"));
ProcessSP process_sp = std::make_shared<DummyProcess>(target_sp, listener_sp);
ASSERT_TRUE(process_sp);
ExecutionContext process_ctx(process_sp);
EXPECT_EQ(process_sp->GetByteOrder(), process_ctx.GetByteOrder());
}