1//===-- ExecutionContextTest.cpp ------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "lldb/Target/ExecutionContext.h"
10#include "Plugins/Platform/Linux/PlatformLinux.h"
11#include "lldb/Core/Debugger.h"
12#include "lldb/Host/FileSystem.h"
13#include "lldb/Host/HostInfo.h"
14#include "lldb/Target/Platform.h"
15#include "lldb/Target/Process.h"
16#include "lldb/Target/Target.h"
17#include "lldb/Utility/ArchSpec.h"
18#include "lldb/Utility/Endian.h"
19#include "lldb/lldb-enumerations.h"
20#include "lldb/lldb-forward.h"
21#include "lldb/lldb-private-enumerations.h"
22#include "lldb/lldb-private.h"
23#include "llvm/Support/FormatVariadic.h"
24#include "gtest/gtest.h"
25
26using namespace lldb_private;
27using namespace lldb;
28
29namespace {
30class ExecutionContextTest : public ::testing::Test {
31public:
32 void SetUp() override {
33 FileSystem::Initialize();
34 HostInfo::Initialize();
35 platform_linux::PlatformLinux::Initialize();
36 }
37 void TearDown() override {
38 platform_linux::PlatformLinux::Terminate();
39 HostInfo::Terminate();
40 FileSystem::Terminate();
41 }
42};
43
44class DummyProcess : public Process {
45public:
46 DummyProcess(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp)
47 : Process(target_sp, listener_sp) {}
48
49 bool CanDebug(lldb::TargetSP target, bool plugin_specified_by_name) override {
50 return true;
51 }
52 Status DoDestroy() override { return {}; }
53 void RefreshStateAfterStop() override {}
54 size_t DoReadMemory(lldb::addr_t vm_addr, void *buf, size_t size,
55 Status &error) override {
56 return 0;
57 }
58 bool DoUpdateThreadList(ThreadList &old_thread_list,
59 ThreadList &new_thread_list) override {
60 return false;
61 }
62 llvm::StringRef GetPluginName() override { return "Dummy"; }
63};
64} // namespace
65
66TEST_F(ExecutionContextTest, GetByteOrder) {
67 ExecutionContext exe_ctx(nullptr, nullptr, nullptr);
68 EXPECT_EQ(endian::InlHostByteOrder(), exe_ctx.GetByteOrder());
69}
70
71TEST_F(ExecutionContextTest, GetByteOrderTarget) {
72 ArchSpec arch("powerpc64-pc-linux");
73
74 Platform::SetHostPlatform(
75 platform_linux::PlatformLinux::CreateInstance(force: true, arch: &arch));
76
77 DebuggerSP debugger_sp = Debugger::CreateInstance();
78 ASSERT_TRUE(debugger_sp);
79
80 TargetSP target_sp;
81 PlatformSP platform_sp;
82 Status error = debugger_sp->GetTargetList().CreateTarget(
83 debugger&: *debugger_sp, user_exe_path: "", arch, get_dependent_modules: eLoadDependentsNo, platform_sp, target_sp);
84 ASSERT_TRUE(target_sp);
85 ASSERT_TRUE(target_sp->GetArchitecture().IsValid());
86 ASSERT_TRUE(platform_sp);
87
88 ExecutionContext target_ctx(target_sp, false);
89 EXPECT_EQ(target_sp->GetArchitecture().GetByteOrder(),
90 target_ctx.GetByteOrder());
91}
92
93TEST_F(ExecutionContextTest, GetByteOrderProcess) {
94 ArchSpec arch("powerpc64-pc-linux");
95
96 Platform::SetHostPlatform(
97 platform_linux::PlatformLinux::CreateInstance(force: true, arch: &arch));
98
99 DebuggerSP debugger_sp = Debugger::CreateInstance();
100 ASSERT_TRUE(debugger_sp);
101
102 TargetSP target_sp;
103 PlatformSP platform_sp;
104 Status error = debugger_sp->GetTargetList().CreateTarget(
105 debugger&: *debugger_sp, user_exe_path: "", arch, get_dependent_modules: eLoadDependentsNo, platform_sp, target_sp);
106 ASSERT_TRUE(target_sp);
107 ASSERT_TRUE(target_sp->GetArchitecture().IsValid());
108 ASSERT_TRUE(platform_sp);
109
110 ListenerSP listener_sp(Listener::MakeListener(name: "dummy"));
111 ProcessSP process_sp = std::make_shared<DummyProcess>(args&: target_sp, args&: listener_sp);
112 ASSERT_TRUE(process_sp);
113
114 ExecutionContext process_ctx(process_sp);
115 EXPECT_EQ(process_sp->GetByteOrder(), process_ctx.GetByteOrder());
116}
117

source code of lldb/unittests/Target/ExecutionContextTest.cpp