forked from OSchip/llvm-project
119 lines
4.2 KiB
C++
119 lines
4.2 KiB
C++
//===-- DWARFASTParserClangTests.cpp --------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "Plugins/SymbolFile/DWARF/DWARFASTParserClang.h"
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#include "Plugins/SymbolFile/DWARF/DWARFCompileUnit.h"
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#include "Plugins/SymbolFile/DWARF/DWARFDIE.h"
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#include "TestingSupport/Symbol/YAMLModuleTester.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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using namespace lldb;
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using namespace lldb_private;
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namespace {
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class DWARFASTParserClangTests : public testing::Test {};
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class DWARFASTParserClangStub : public DWARFASTParserClang {
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public:
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using DWARFASTParserClang::DWARFASTParserClang;
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using DWARFASTParserClang::LinkDeclContextToDIE;
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std::vector<const clang::DeclContext *> GetDeclContextToDIEMapKeys() {
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std::vector<const clang::DeclContext *> keys;
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for (const auto &it : m_decl_ctx_to_die)
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keys.push_back(it.first);
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return keys;
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}
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};
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} // namespace
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// If your implementation needs to dereference the dummy pointers we are
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// defining here, causing this test to fail, feel free to delete it.
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TEST_F(DWARFASTParserClangTests,
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EnsureAllDIEsInDeclContextHaveBeenParsedParsesOnlyMatchingEntries) {
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/// Auxiliary debug info.
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const char *yamldata = R"(
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_386
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DWARF:
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debug_abbrev:
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- Table:
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- Code: 0x00000001
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Tag: DW_TAG_compile_unit
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Children: DW_CHILDREN_yes
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Attributes:
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- Attribute: DW_AT_language
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Form: DW_FORM_data2
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- Code: 0x00000002
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Tag: DW_TAG_base_type
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Children: DW_CHILDREN_no
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Attributes:
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- Attribute: DW_AT_encoding
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Form: DW_FORM_data1
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- Attribute: DW_AT_byte_size
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Form: DW_FORM_data1
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debug_info:
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- Version: 4
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AddrSize: 8
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Entries:
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- AbbrCode: 0x00000001
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Values:
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- Value: 0x000000000000000C
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- AbbrCode: 0x00000002
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Values:
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- Value: 0x0000000000000007 # DW_ATE_unsigned
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- Value: 0x0000000000000004
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- AbbrCode: 0x00000002
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Values:
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- Value: 0x0000000000000007 # DW_ATE_unsigned
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- Value: 0x0000000000000008
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- AbbrCode: 0x00000002
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Values:
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- Value: 0x0000000000000005 # DW_ATE_signed
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- Value: 0x0000000000000008
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- AbbrCode: 0x00000002
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Values:
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- Value: 0x0000000000000008 # DW_ATE_unsigned_char
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- Value: 0x0000000000000001
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- AbbrCode: 0x00000000
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)";
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YAMLModuleTester t(yamldata);
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ASSERT_TRUE((bool)t.GetDwarfUnit());
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TypeSystemClang ast_ctx("dummy ASTContext", HostInfoBase::GetTargetTriple());
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DWARFASTParserClangStub ast_parser(ast_ctx);
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DWARFUnit *unit = t.GetDwarfUnit();
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const DWARFDebugInfoEntry *die_first = unit->DIE().GetDIE();
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const DWARFDebugInfoEntry *die_child0 = die_first->GetFirstChild();
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const DWARFDebugInfoEntry *die_child1 = die_child0->GetSibling();
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const DWARFDebugInfoEntry *die_child2 = die_child1->GetSibling();
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const DWARFDebugInfoEntry *die_child3 = die_child2->GetSibling();
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std::vector<DWARFDIE> dies = {
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DWARFDIE(unit, die_child0), DWARFDIE(unit, die_child1),
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DWARFDIE(unit, die_child2), DWARFDIE(unit, die_child3)};
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std::vector<clang::DeclContext *> decl_ctxs = {
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(clang::DeclContext *)1LL, (clang::DeclContext *)2LL,
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(clang::DeclContext *)2LL, (clang::DeclContext *)3LL};
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for (int i = 0; i < 4; ++i)
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ast_parser.LinkDeclContextToDIE(decl_ctxs[i], dies[i]);
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ast_parser.EnsureAllDIEsInDeclContextHaveBeenParsed(
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CompilerDeclContext(nullptr, decl_ctxs[1]));
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EXPECT_THAT(ast_parser.GetDeclContextToDIEMapKeys(),
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testing::UnorderedElementsAre(decl_ctxs[0], decl_ctxs[3]));
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}
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