a895a446bc
The class only supports a single DWARF unit (needed for my new test), and it reimplements chunks of object and symbol file classes. We can just make it use the real thing, save some LOC and get the full feature set. Differential Revision: https://reviews.llvm.org/D90393
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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