// Copyright 2023 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "WasmModule.h" #include "WasmVendorPlugins.h" #include "Plugins/Language/CPlusPlus/CPlusPlusLanguage.h" #include "Plugins/ObjectFile/wasm/ObjectFileWasm.h" #include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h" #include "Plugins/SymbolVendor/wasm/SymbolVendorWasm.h" #include "gmock/gmock.h" #include "gtest/gtest.h" #include "lldb/Host/FileSystem.h" #include "lldb/lldb-types.h" #include "llvm/ADT/STLExtras.h" #include "llvm/ADT/SmallSet.h" #include "llvm/ADT/StringRef.h" #include "llvm/ADT/iterator_range.h" #include "llvm/BinaryFormat/Dwarf.h" #include #include #include namespace symbols_backend { namespace { using LocationRange = std::pair; symbols_backend::PluginRegistryContext c; template auto MakeRange(const ContainerT& c) -> llvm::iterator_range { return c; } } // namespace TEST(WasmModuleTest, AddScript) { llvm::Expected> module = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/hello.s.wasm"); ASSERT_TRUE(!!module); EXPECT_TRUE((*module)->Valid()); } TEST(WasmModuleTest, SourceScripts) { auto module = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/hello.s.wasm"); ASSERT_TRUE(!!module); EXPECT_EQ((*module)->GetSourceScripts().sources.size(), 2u); } TEST(WasmModuleTest, HelloAddScript) { auto module = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/hello.s.wasm"); ASSERT_TRUE(!!module); EXPECT_TRUE((*module)->Valid()); auto scripts = (*module)->GetSourceScripts(); llvm::SmallVector filenames; EXPECT_EQ(scripts.sources.size(), 2u); EXPECT_EQ(scripts.dwos.size(), 0u); for (auto& s : scripts.sources) { filenames.push_back(s); } EXPECT_THAT(filenames, testing::UnorderedElementsAre("hello.c", "printf.h")); } TEST(WasmModuleTest, HelloSourceToRawLocation) { auto module = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/hello.s.wasm"); ASSERT_TRUE(!!module); SourceLocation source_location("hello.c", 3, 0); auto raw_locations = (*module)->GetOffsetFromSourceLocation(source_location); EXPECT_THAT(raw_locations, testing::ElementsAre(std::make_pair(2, 3))); } TEST(WasmModuleTest, HelloRawToSourceLocation) { auto module = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/hello.s.wasm"); ASSERT_TRUE(!!module); auto loc = (*module)->GetSourceLocationFromOffset(2, 0); EXPECT_EQ(loc.size(), 1u); if (loc.empty()) { return; } const SourceLocation& front_location = *loc.begin(); EXPECT_EQ(front_location.file, "hello.c"); EXPECT_EQ(front_location.column, 0u); EXPECT_EQ(front_location.line, 3u); } TEST(WasmModuleTest, RegressCrbug1153147) { auto module = WasmModule::CreateFromFile( "cxx_debugging/tests/inputs/windows_paths.s.wasm"); ASSERT_TRUE(!!module); SourceLocation source_location("c:\\src\\temp.c", 5, 5); auto raw_locations = (*module)->GetOffsetFromSourceLocation(source_location); EXPECT_THAT(raw_locations, testing::ElementsAre(std::make_pair(2, 5))); } TEST(WasmModuleTest, InlineSourceToRawLocation) { auto module = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/inline.s.wasm"); ASSERT_TRUE(!!module); SourceLocation source_location("inline.c", 10, 0); auto raw_locations = (*module)->GetOffsetFromSourceLocation(source_location); EXPECT_THAT(raw_locations, testing::ElementsAre(std::make_pair(lldb::addr_t(0x5), 1))); } TEST(WasmModuleTest, InlineRawToSourceLocation) { auto m = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/inline.s.wasm"); ASSERT_TRUE(!!m); { auto loc = (*m)->GetSourceLocationFromOffset(0x2, 0); EXPECT_EQ(loc.size(), 1u); if (loc.empty()) { return; } const SourceLocation& front_location = *loc.begin(); EXPECT_EQ(front_location.file, "inline.c"); EXPECT_EQ(front_location.column, 0u); EXPECT_EQ(front_location.line, 1u); } { auto loc = (*m)->GetSourceLocationFromOffset(0x5, 0); EXPECT_EQ(loc.size(), 1u); if (loc.empty()) { return; } const SourceLocation& front_location = *loc.begin(); EXPECT_EQ(front_location.file, "inline.c"); EXPECT_EQ(front_location.column, 0u); EXPECT_EQ(front_location.line, 10u); } { auto loc = (*m)->GetSourceLocationFromOffset(0x6, 0); EXPECT_EQ(loc.size(), 1u); if (loc.empty()) { return; } const SourceLocation& front_location = *loc.begin(); EXPECT_EQ(front_location.file, "inline.c"); EXPECT_EQ(front_location.column, 0u); EXPECT_EQ(front_location.line, 2u); } } TEST(WasmModuleTest, InlineFunctionInfo) { auto m = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/inline.s.wasm"); ASSERT_TRUE(!!m); { auto function_names = (*m)->GetFunctionInfo(0x2).names; EXPECT_THAT(function_names, testing::ElementsAre("caller")); } { auto function_names = (*m)->GetFunctionInfo(0x5).names; EXPECT_THAT(function_names, testing::ElementsAre("callee", "caller")); } } TEST(WasmModuleTest, InlineFunctionRanges) { auto m = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/inline.s.wasm"); ASSERT_TRUE(!!m); { llvm::SmallVector function_ranges( MakeRange((*m)->GetInlineFunctionAddressRanges(0x5))); EXPECT_THAT(function_ranges.size(), 1u); EXPECT_THAT(function_ranges, testing::ElementsAre(std::make_pair(0x5, 1))); } } TEST(WasmModuleTest, ChildInlineFunctionRanges) { auto m = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/inline.s.wasm"); ASSERT_TRUE(!!m); llvm::SmallVector function_ranges( MakeRange((*m)->GetChildInlineFunctionAddressRanges(0x2))); EXPECT_THAT(function_ranges.size(), 1u); EXPECT_THAT(function_ranges, testing::ElementsAre(std::make_pair(0x5, 1))); } TEST(WasmModuleTest, AddScriptMissingScript) { auto m = WasmModule::CreateFromFile("@InvalidPath"); EXPECT_FALSE(m); llvm::consumeError(m.takeError()); } TEST(WasmModuleTest, GlobalVariable) { auto module = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/globals.s.wasm"); ASSERT_TRUE(!!module); auto variables = (*module)->GetVariablesInScope(0x3, 0); std::vector names; names.reserve(variables.size()); for (auto& v : variables) { names.push_back(v.name); } llvm::sort(names); EXPECT_THAT(names, testing::UnorderedElementsAreArray({ "i", "S::buffer", "::i_ptr", "::v_ptr", "::var_bool", "::var_char", "::var_double", "::var_float", "::var_int", "::var_int16_t", "::var_int32_t", "::var_int64_t", "::var_int8_t", "::var_long", "::var_long_int", "::var_long_long", "::var_long_long_int", "::var_short", "::var_short_int", "::var_signed", "::var_signed_char", "::var_signed_int", "::var_signed_long", "::var_signed_long_int", "::var_signed_long_long", "::var_signed_long_long_int", "::var_signed_short", "::var_signed_short_int", "::var_uint16_t", "::var_uint32_t", "::var_uint64_t", "::var_uint8_t", "::var_unsigned", "::var_unsigned_char", "::var_unsigned_int", "::var_unsigned_long", "::var_unsigned_long_int", "::var_unsigned_long_long", "::var_unsigned_long_long_int", "::var_unsigned_short", "::var_unsigned_short_int", "::var_int128", "::var_uint128", })); } TEST(WasmModuleTest, ClassStaticVariable) { auto module = WasmModule::CreateFromFile( "cxx_debugging/tests/inputs/classstatic.s.wasm"); ASSERT_TRUE(!!module); auto variables = (*module)->GetVariablesInScope(0x3, 0); llvm::SmallVector names; for (auto& v : variables) { names.push_back(v.name); } EXPECT_THAT(names, testing::UnorderedElementsAre("MyClass::I")); } TEST(WasmModuleTest, NamespacedGlobalVariables) { auto m = WasmModule::CreateFromFile( "cxx_debugging/tests/inputs/namespaces.s.wasm"); ASSERT_TRUE(!!m); auto variables = (*m)->GetVariablesInScope(0x03, 0); llvm::SmallVector names; for (auto& v : variables) { names.push_back(v.name); } EXPECT_THAT(names, testing::UnorderedElementsAre("L", "n1::n2::I", "n1::I", "n1::MyClass::I", "(anonymous namespace)::K")); } TEST(WasmModuleTest, InlineLocalVariable) { auto m = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/inline.s.wasm"); ASSERT_TRUE(!!m); { auto variables = (*m)->GetVariablesInScope(0x2, 0); llvm::SmallVector names; for (auto& v : variables) { names.push_back(v.name); } EXPECT_THAT(names, testing::UnorderedElementsAre("outer_var")); } { auto variables = (*m)->GetVariablesInScope(0x5, 0); llvm::SmallVector names; for (auto& v : variables) { names.push_back(v.name); } EXPECT_THAT(names, testing::UnorderedElementsAre("inner_var", "inner_param")); } } TEST(WasmModuleTest, ShadowingVariables) { auto module = WasmModule::CreateFromFile("cxx_debugging/tests/inputs/shadowing.s.wasm"); ASSERT_TRUE(!!module); auto variables = (*module)->GetVariablesInScope(0x04, 0); ASSERT_EQ(variables.size(), 1); auto var = variables.begin(); ASSERT_EQ(var->name, "a"); ASSERT_EQ(var->scope, lldb::eValueTypeVariableLocal); variables = (*module)->GetVariablesInScope(0x02, 0); ASSERT_EQ(variables.size(), 1); var = variables.begin(); ASSERT_EQ(var->name, "a"); ASSERT_EQ(var->scope, lldb::eValueTypeVariableArgument); } } // namespace symbols_backend