1d01fc100b
The Length, AbbrOffset and Values fields of the debug_info section are optional. This patch helps remove them and simplify test cases. Reviewed By: MaskRay Differential Revision: https://reviews.llvm.org/D86857
115 lines
4.6 KiB
C++
115 lines
4.6 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 =
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"debug_abbrev:\n"
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" - Table:\n"
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" - Code: 0x00000001\n"
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" Tag: DW_TAG_compile_unit\n"
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" Children: DW_CHILDREN_yes\n"
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" Attributes:\n"
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" - Attribute: DW_AT_language\n"
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" Form: DW_FORM_data2\n"
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" - Code: 0x00000002\n"
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" Tag: DW_TAG_base_type\n"
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" Children: DW_CHILDREN_no\n"
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" Attributes:\n"
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" - Attribute: DW_AT_encoding\n"
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" Form: DW_FORM_data1\n"
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" - Attribute: DW_AT_byte_size\n"
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" Form: DW_FORM_data1\n"
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"debug_info:\n"
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" - Version: 4\n"
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" AddrSize: 8\n"
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" Entries:\n"
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" - AbbrCode: 0x00000001\n"
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" Values:\n"
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" - Value: 0x000000000000000C\n"
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// 0x0000000e:
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" - AbbrCode: 0x00000002\n"
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" Values:\n"
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" - Value: 0x0000000000000007\n" // DW_ATE_unsigned
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" - Value: 0x0000000000000004\n"
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// 0x00000011:
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" - AbbrCode: 0x00000002\n"
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" Values:\n"
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" - Value: 0x0000000000000007\n" // DW_ATE_unsigned
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" - Value: 0x0000000000000008\n"
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// 0x00000014:
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" - AbbrCode: 0x00000002\n"
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" Values:\n"
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" - Value: 0x0000000000000005\n" // DW_ATE_signed
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" - Value: 0x0000000000000008\n"
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// 0x00000017:
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" - AbbrCode: 0x00000002\n"
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" Values:\n"
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" - Value: 0x0000000000000008\n" // DW_ATE_unsigned_char
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" - Value: 0x0000000000000001\n"
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" - AbbrCode: 0x00000000\n";
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YAMLModuleTester t(yamldata, "i386-unknown-linux");
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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().get();
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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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