lldb/unittests/Target/ExecutionContextTest.cpp

   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/Utility/Reproducer.h"
  20 #include "lldb/lldb-enumerations.h"
  21 #include "lldb/lldb-forward.h"
  22 #include "lldb/lldb-private-enumerations.h"
  23 #include "lldb/lldb-private.h"
  24 #include "llvm/Support/FormatVariadic.h"
  25 #include "gtest/gtest.h"
  26
  27 using namespace lldb_private;
  28 using namespace lldb_private::repro;
  29 using namespace lldb;
  30
  31 namespace {
  32 class ExecutionContextTest : public ::testing::Test {
  33 public:
  34   void SetUp() override {
  35     llvm::cantFail(Reproducer::Initialize(ReproducerMode::Off, llvm::None));
  36     FileSystem::Initialize();
  37     HostInfo::Initialize();
  38     platform_linux::PlatformLinux::Initialize();
  39   }
  40   void TearDown() override {
  41     platform_linux::PlatformLinux::Terminate();
  42     HostInfo::Terminate();
  43     FileSystem::Terminate();
  44     Reproducer::Terminate();
  45   }
  46 };
  47
  48 class DummyProcess : public Process {
  49 public:
  50   using Process::Process;
  51
  52   bool CanDebug(lldb::TargetSP target, bool plugin_specified_by_name) override {
  53     return true;
  54   }
  55   Status DoDestroy() override { return {}; }
  56   void RefreshStateAfterStop() override {}
  57   size_t DoReadMemory(lldb::addr_t vm_addr, void *buf, size_t size,
  58                       Status &error) override {
  59     return 0;
  60   }
  61   bool DoUpdateThreadList(ThreadList &old_thread_list,
  62                           ThreadList &new_thread_list) override {
  63     return false;
  64   }
  65   llvm::StringRef GetPluginName() override { return "Dummy"; }
  66 };
  67 } // namespace
  68
  69 TEST_F(ExecutionContextTest, GetByteOrder) {
  70   ExecutionContext exe_ctx(nullptr, nullptr, nullptr);
  71   EXPECT_EQ(endian::InlHostByteOrder(), exe_ctx.GetByteOrder());
  72 }
  73
  74 TEST_F(ExecutionContextTest, GetByteOrderTarget) {
  75   ArchSpec arch("powerpc64-pc-linux");
  76
  77   Platform::SetHostPlatform(
  78       platform_linux::PlatformLinux::CreateInstance(true, &arch));
  79
  80   DebuggerSP debugger_sp = Debugger::CreateInstance();
  81   ASSERT_TRUE(debugger_sp);
  82
  83   TargetSP target_sp;
  84   PlatformSP platform_sp;
  85   Status error = debugger_sp->GetTargetList().CreateTarget(
  86       *debugger_sp, "", arch, eLoadDependentsNo, platform_sp, target_sp);
  87   ASSERT_TRUE(target_sp);
  88   ASSERT_TRUE(target_sp->GetArchitecture().IsValid());
  89   ASSERT_TRUE(platform_sp);
  90
  91   ExecutionContext target_ctx(target_sp, false);
  92   EXPECT_EQ(target_sp->GetArchitecture().GetByteOrder(),
  93             target_ctx.GetByteOrder());
  94 }
  95
  96 TEST_F(ExecutionContextTest, GetByteOrderProcess) {
  97   ArchSpec arch("powerpc64-pc-linux");
  98
  99   Platform::SetHostPlatform(
 100       platform_linux::PlatformLinux::CreateInstance(true, &arch));
 101
 102   DebuggerSP debugger_sp = Debugger::CreateInstance();
 103   ASSERT_TRUE(debugger_sp);
 104
 105   TargetSP target_sp;
 106   PlatformSP platform_sp;
 107   Status error = debugger_sp->GetTargetList().CreateTarget(
 108       *debugger_sp, "", arch, eLoadDependentsNo, platform_sp, target_sp);
 109   ASSERT_TRUE(target_sp);
 110   ASSERT_TRUE(target_sp->GetArchitecture().IsValid());
 111   ASSERT_TRUE(platform_sp);
 112
 113   ListenerSP listener_sp(Listener::MakeListener("dummy"));
 114   ProcessSP process_sp = std::make_shared<DummyProcess>(target_sp, listener_sp);
 115   ASSERT_TRUE(process_sp);
 116
 117   ExecutionContext process_ctx(process_sp);
 118   EXPECT_EQ(process_sp->GetByteOrder(), process_ctx.GetByteOrder());
 119 }