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-rw-r--r--lldb/unittests/SymbolFile/DWARF/CMakeLists.txt3
-rw-r--r--lldb/unittests/SymbolFile/DWARF/DWARFASTParserClangTests.cpp336
-rw-r--r--lldb/unittests/SymbolFile/DWARF/Inputs/DW_AT_spec_decl_exists-test.yaml677
-rw-r--r--lldb/unittests/SymbolFile/PDB/CMakeLists.txt1
-rw-r--r--lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp10
5 files changed, 1026 insertions, 1 deletions
diff --git a/lldb/unittests/SymbolFile/DWARF/CMakeLists.txt b/lldb/unittests/SymbolFile/DWARF/CMakeLists.txt
index eb2e00a..8849218 100644
--- a/lldb/unittests/SymbolFile/DWARF/CMakeLists.txt
+++ b/lldb/unittests/SymbolFile/DWARF/CMakeLists.txt
@@ -27,6 +27,7 @@ add_lldb_unittest(SymbolFileDWARFTests
set(test_inputs
test-dwarf.exe
- DW_AT_default_value-test.yaml)
+ DW_AT_default_value-test.yaml
+ DW_AT_spec_decl_exists-test.yaml)
add_unittest_inputs(SymbolFileDWARFTests "${test_inputs}")
diff --git a/lldb/unittests/SymbolFile/DWARF/DWARFASTParserClangTests.cpp b/lldb/unittests/SymbolFile/DWARF/DWARFASTParserClangTests.cpp
index 0cae01d..cef3a25a 100644
--- a/lldb/unittests/SymbolFile/DWARF/DWARFASTParserClangTests.cpp
+++ b/lldb/unittests/SymbolFile/DWARF/DWARFASTParserClangTests.cpp
@@ -599,6 +599,40 @@ TEST_F(DWARFASTParserClangTests, TestDefaultTemplateParamParsing) {
}
}
+TEST_F(DWARFASTParserClangTests, TestSpecDeclExistsError) {
+ // Tests that parsing a ClassTemplateSpecializationDecl that already exists
+ // is handled gracefully.
+ auto BufferOrError = llvm::MemoryBuffer::getFile(
+ GetInputFilePath("DW_AT_spec_decl_exists-test.yaml"), /*IsText=*/true);
+ ASSERT_TRUE(BufferOrError);
+ YAMLModuleTester t(BufferOrError.get()->getBuffer());
+
+ DWARFUnit *unit = t.GetDwarfUnit();
+ ASSERT_NE(unit, nullptr);
+ const DWARFDebugInfoEntry *cu_entry = unit->DIE().GetDIE();
+ ASSERT_EQ(cu_entry->Tag(), DW_TAG_compile_unit);
+ DWARFDIE cu_die(unit, cu_entry);
+
+ auto holder = std::make_unique<clang_utils::TypeSystemClangHolder>("ast");
+ auto &ast_ctx = *holder->GetAST();
+ DWARFASTParserClangStub ast_parser(ast_ctx);
+
+ llvm::SmallVector<lldb::TypeSP, 2> specializations;
+ for (DWARFDIE die : cu_die.children()) {
+ SymbolContext sc;
+ bool new_type = false;
+ auto type = ast_parser.ParseTypeFromDWARF(sc, die, &new_type);
+ llvm::StringRef die_name = llvm::StringRef(die.GetName());
+ if (die_name.starts_with("_Optional_payload")) {
+ specializations.push_back(std::move(type));
+ }
+ }
+
+ ASSERT_EQ(specializations.size(), 2U);
+ ASSERT_NE(specializations[0], nullptr);
+ ASSERT_EQ(specializations[1], nullptr);
+}
+
TEST_F(DWARFASTParserClangTests, TestUniqueDWARFASTTypeMap_CppInsertMapFind) {
// This tests the behaviour of UniqueDWARFASTTypeMap under
// following scenario:
@@ -1617,3 +1651,305 @@ DWARF:
EXPECT_EQ(param_die, ast_parser.GetObjectParameter(sub2, context_die));
}
}
+
+TEST_F(DWARFASTParserClangTests, TestTypeBitSize) {
+ // Tests that we correctly parse DW_AT_bit_size of a DW_AT_base_type.
+
+ const char *yamldata = R"(
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_EXEC
+ Machine: EM_AARCH64
+DWARF:
+ debug_str:
+ - _BitInt(2)
+ debug_abbrev:
+ - ID: 0
+ Table:
+ - Code: 0x1
+ Tag: DW_TAG_compile_unit
+ Children: DW_CHILDREN_yes
+ Attributes:
+ - Attribute: DW_AT_language
+ Form: DW_FORM_data2
+ - Code: 0x2
+ Tag: DW_TAG_base_type
+ Children: DW_CHILDREN_no
+ Attributes:
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_encoding
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_byte_size
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_bit_size
+ Form: DW_FORM_data1
+
+ debug_info:
+ - Version: 5
+ UnitType: DW_UT_compile
+ AddrSize: 8
+ Entries:
+
+# DW_TAG_compile_unit
+# DW_AT_language [DW_FORM_data2] (DW_LANG_C_plus_plus)
+
+ - AbbrCode: 0x1
+ Values:
+ - Value: 0x04
+
+# DW_TAG_base_type
+# DW_AT_name [DW_FORM_strp] ('_BitInt(2)')
+
+ - AbbrCode: 0x2
+ Values:
+ - Value: 0x0
+ - Value: 0x05
+ - Value: 0x01
+ - Value: 0x02
+...
+)";
+
+ YAMLModuleTester t(yamldata);
+
+ DWARFUnit *unit = t.GetDwarfUnit();
+ ASSERT_NE(unit, nullptr);
+ const DWARFDebugInfoEntry *cu_entry = unit->DIE().GetDIE();
+ ASSERT_EQ(cu_entry->Tag(), DW_TAG_compile_unit);
+ ASSERT_EQ(unit->GetDWARFLanguageType(), DW_LANG_C_plus_plus);
+ DWARFDIE cu_die(unit, cu_entry);
+
+ auto holder = std::make_unique<clang_utils::TypeSystemClangHolder>("ast");
+ auto &ast_ctx = *holder->GetAST();
+ DWARFASTParserClangStub ast_parser(ast_ctx);
+
+ auto type_die = cu_die.GetFirstChild();
+ ASSERT_TRUE(type_die.IsValid());
+ ASSERT_EQ(type_die.Tag(), DW_TAG_base_type);
+
+ ParsedDWARFTypeAttributes attrs(type_die);
+ EXPECT_EQ(attrs.byte_size.value_or(0), 1U);
+ EXPECT_EQ(attrs.data_bit_size.value_or(0), 2U);
+
+ SymbolContext sc;
+ auto type_sp =
+ ast_parser.ParseTypeFromDWARF(sc, type_die, /*type_is_new_ptr=*/nullptr);
+ ASSERT_NE(type_sp, nullptr);
+
+ EXPECT_EQ(llvm::expectedToOptional(type_sp->GetByteSize(nullptr)).value_or(0),
+ 1U);
+}
+
+TEST_F(DWARFASTParserClangTests, TestBitIntParsing) {
+ // Tests that we correctly parse the DW_AT_base_type for a _BitInt.
+ // Older versions of Clang only emit the `_BitInt` string into the
+ // DW_AT_name (not including the bitsize). Make sure we understand
+ // those too.
+
+ const char *yamldata = R"(
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_EXEC
+ Machine: EM_AARCH64
+DWARF:
+ debug_str:
+ - _BitInt(2)
+ - _BitInt
+ - unsigned _BitInt(2)
+ - unsigned _BitInt
+ debug_abbrev:
+ - ID: 0
+ Table:
+ - Code: 0x1
+ Tag: DW_TAG_compile_unit
+ Children: DW_CHILDREN_yes
+ Attributes:
+ - Attribute: DW_AT_language
+ Form: DW_FORM_data2
+ - Code: 0x2
+ Tag: DW_TAG_base_type
+ Children: DW_CHILDREN_no
+ Attributes:
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_encoding
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_byte_size
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_bit_size
+ Form: DW_FORM_data1
+ - Code: 0x3
+ Tag: DW_TAG_base_type
+ Children: DW_CHILDREN_no
+ Attributes:
+ - Attribute: DW_AT_name
+ Form: DW_FORM_strp
+ - Attribute: DW_AT_encoding
+ Form: DW_FORM_data1
+ - Attribute: DW_AT_byte_size
+ Form: DW_FORM_data1
+
+ debug_info:
+ - Version: 5
+ UnitType: DW_UT_compile
+ AddrSize: 8
+ Entries:
+
+# DW_TAG_compile_unit
+# DW_AT_language [DW_FORM_data2] (DW_LANG_C_plus_plus)
+
+ - AbbrCode: 0x1
+ Values:
+ - Value: 0x04
+
+# DW_TAG_base_type
+# DW_AT_name [DW_FORM_strp] ('_BitInt(2)')
+
+ - AbbrCode: 0x2
+ Values:
+ - Value: 0x0
+ - Value: 0x05
+ - Value: 0x01
+ - Value: 0x02
+
+# DW_TAG_base_type
+# DW_AT_name [DW_FORM_strp] ('_BitInt')
+
+ - AbbrCode: 0x2
+ Values:
+ - Value: 0x0b
+ - Value: 0x05
+ - Value: 0x08
+ - Value: 0x34
+
+# DW_TAG_base_type
+# DW_AT_name [DW_FORM_strp] ('unsigned _BitInt(2)')
+
+ - AbbrCode: 0x2
+ Values:
+ - Value: 0x13
+ - Value: 0x07
+ - Value: 0x01
+ - Value: 0x02
+
+# DW_TAG_base_type
+# DW_AT_name [DW_FORM_strp] ('unsigned _BitInt')
+
+ - AbbrCode: 0x2
+ Values:
+ - Value: 0x27
+ - Value: 0x07
+ - Value: 0x08
+ - Value: 0x34
+
+# DW_TAG_base_type
+# DW_AT_name [DW_FORM_strp] ('_BitInt')
+
+ - AbbrCode: 0x3
+ Values:
+ - Value: 0x0b
+ - Value: 0x05
+ - Value: 0x08
+...
+
+)";
+
+ YAMLModuleTester t(yamldata);
+
+ DWARFUnit *unit = t.GetDwarfUnit();
+ ASSERT_NE(unit, nullptr);
+ const DWARFDebugInfoEntry *cu_entry = unit->DIE().GetDIE();
+ ASSERT_EQ(cu_entry->Tag(), DW_TAG_compile_unit);
+ ASSERT_EQ(unit->GetDWARFLanguageType(), DW_LANG_C_plus_plus);
+ DWARFDIE cu_die(unit, cu_entry);
+
+ auto holder = std::make_unique<clang_utils::TypeSystemClangHolder>("ast");
+ auto &ast_ctx = *holder->GetAST();
+ DWARFASTParserClangStub ast_parser(ast_ctx);
+
+ auto type_die = cu_die.GetFirstChild();
+ ASSERT_TRUE(type_die.IsValid());
+
+ {
+ SymbolContext sc;
+ auto type_sp = ast_parser.ParseTypeFromDWARF(sc, type_die,
+ /*type_is_new_ptr=*/nullptr);
+ ASSERT_NE(type_sp, nullptr);
+
+ EXPECT_EQ(
+ llvm::expectedToOptional(type_sp->GetByteSize(nullptr)).value_or(0),
+ 1U);
+ EXPECT_EQ(type_sp->GetEncoding(), lldb::eEncodingSint);
+ EXPECT_EQ(type_sp->GetName(), "_BitInt(2)");
+ EXPECT_EQ(type_sp->GetForwardCompilerType().GetTypeName(), "_BitInt(2)");
+ }
+
+ {
+ type_die = type_die.GetSibling();
+ SymbolContext sc;
+ auto type_sp = ast_parser.ParseTypeFromDWARF(sc, type_die,
+ /*type_is_new_ptr=*/nullptr);
+ ASSERT_NE(type_sp, nullptr);
+
+ EXPECT_EQ(
+ llvm::expectedToOptional(type_sp->GetByteSize(nullptr)).value_or(0),
+ 8U);
+ EXPECT_EQ(type_sp->GetEncoding(), lldb::eEncodingSint);
+ EXPECT_EQ(type_sp->GetName(), "_BitInt");
+ EXPECT_EQ(type_sp->GetForwardCompilerType().GetTypeName(), "_BitInt(52)");
+ }
+
+ {
+ type_die = type_die.GetSibling();
+ SymbolContext sc;
+ auto type_sp = ast_parser.ParseTypeFromDWARF(sc, type_die,
+ /*type_is_new_ptr=*/nullptr);
+ ASSERT_NE(type_sp, nullptr);
+
+ EXPECT_EQ(
+ llvm::expectedToOptional(type_sp->GetByteSize(nullptr)).value_or(0),
+ 1U);
+ EXPECT_EQ(type_sp->GetEncoding(), lldb::eEncodingUint);
+ EXPECT_EQ(type_sp->GetName(), "unsigned _BitInt(2)");
+ EXPECT_EQ(type_sp->GetForwardCompilerType().GetTypeName(),
+ "unsigned _BitInt(2)");
+ }
+
+ {
+ type_die = type_die.GetSibling();
+ SymbolContext sc;
+ auto type_sp = ast_parser.ParseTypeFromDWARF(sc, type_die,
+ /*type_is_new_ptr=*/nullptr);
+ ASSERT_NE(type_sp, nullptr);
+
+ EXPECT_EQ(
+ llvm::expectedToOptional(type_sp->GetByteSize(nullptr)).value_or(0),
+ 8U);
+ EXPECT_EQ(type_sp->GetEncoding(), lldb::eEncodingUint);
+ EXPECT_EQ(type_sp->GetName(), "unsigned _BitInt");
+ EXPECT_EQ(type_sp->GetForwardCompilerType().GetTypeName(),
+ "unsigned _BitInt(52)");
+ }
+
+ {
+ type_die = type_die.GetSibling();
+ SymbolContext sc;
+ auto type_sp = ast_parser.ParseTypeFromDWARF(sc, type_die,
+ /*type_is_new_ptr=*/nullptr);
+ ASSERT_NE(type_sp, nullptr);
+
+ EXPECT_EQ(
+ llvm::expectedToOptional(type_sp->GetByteSize(nullptr)).value_or(0),
+ 8U);
+ EXPECT_EQ(type_sp->GetEncoding(), lldb::eEncodingSint);
+ EXPECT_EQ(type_sp->GetName(), "_BitInt");
+
+ // Older versions of Clang didn't emit a DW_AT_bit_size for _BitInt. In
+ // those cases we would format the CompilerType name using the byte-size.
+ EXPECT_EQ(type_sp->GetForwardCompilerType().GetTypeName(), "_BitInt(64)");
+ }
+}
diff --git a/lldb/unittests/SymbolFile/DWARF/Inputs/DW_AT_spec_decl_exists-test.yaml b/lldb/unittests/SymbolFile/DWARF/Inputs/DW_AT_spec_decl_exists-test.yaml
new file mode 100644
index 0000000..91245f0
--- /dev/null
+++ b/lldb/unittests/SymbolFile/DWARF/Inputs/DW_AT_spec_decl_exists-test.yaml
@@ -0,0 +1,677 @@
+# struct Type {};
+#
+# template <typename _Tp, bool, bool, bool> struct _Optional_payload;
+#
+# template <typename _Tp> struct _Optional_payload<_Tp, true, false, false> {};
+#
+# template <typename _Tp, bool _Copy, bool _Move>
+# struct _Optional_payload<_Tp, false, _Copy, _Move>
+# : _Optional_payload<_Tp, true, false, false> {};
+#
+# int main() {
+# _Optional_payload<Type, false, false, true> X;
+# }
+#
+# YAML generated on Linux using obj2yaml on the above program compiled with
+# G++. This is malformed DWARF that is missing DW_TAG_template_value_parameter
+# entries, which is important for the test because that makes the two
+# specializations look like identical structure definitions.
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_DYN
+ Machine: EM_X86_64
+ Entry: 0x1040
+ProgramHeaders:
+ - Type: PT_PHDR
+ Flags: [ PF_R ]
+ VAddr: 0x40
+ Align: 0x8
+ Offset: 0x40
+ - Type: PT_INTERP
+ Flags: [ PF_R ]
+ FirstSec: .interp
+ LastSec: .interp
+ VAddr: 0x318
+ Offset: 0x318
+ - Type: PT_LOAD
+ Flags: [ PF_R ]
+ FirstSec: .interp
+ LastSec: .rela.dyn
+ Align: 0x1000
+ Offset: 0x0
+ - Type: PT_LOAD
+ Flags: [ PF_X, PF_R ]
+ FirstSec: .init
+ LastSec: .fini
+ VAddr: 0x1000
+ Align: 0x1000
+ Offset: 0x1000
+ - Type: PT_LOAD
+ Flags: [ PF_R ]
+ FirstSec: .rodata
+ LastSec: .eh_frame
+ VAddr: 0x2000
+ Align: 0x1000
+ Offset: 0x2000
+ - Type: PT_LOAD
+ Flags: [ PF_W, PF_R ]
+ FirstSec: .init_array
+ LastSec: .bss
+ VAddr: 0x3DF0
+ Align: 0x1000
+ Offset: 0x2DF0
+ - Type: PT_DYNAMIC
+ Flags: [ PF_W, PF_R ]
+ FirstSec: .dynamic
+ LastSec: .dynamic
+ VAddr: 0x3E00
+ Align: 0x8
+ Offset: 0x2E00
+ - Type: PT_NOTE
+ Flags: [ PF_R ]
+ FirstSec: .note.gnu.property
+ LastSec: .note.gnu.property
+ VAddr: 0x338
+ Align: 0x8
+ Offset: 0x338
+ - Type: PT_NOTE
+ Flags: [ PF_R ]
+ FirstSec: .note.gnu.build-id
+ LastSec: .note.ABI-tag
+ VAddr: 0x358
+ Align: 0x4
+ Offset: 0x358
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+ Flags: [ PF_R ]
+ FirstSec: .note.gnu.property
+ LastSec: .note.gnu.property
+ VAddr: 0x338
+ Align: 0x8
+ Offset: 0x338
+ - Type: PT_GNU_EH_FRAME
+ Flags: [ PF_R ]
+ FirstSec: .eh_frame_hdr
+ LastSec: .eh_frame_hdr
+ VAddr: 0x2004
+ Align: 0x4
+ Offset: 0x2004
+ - Type: PT_GNU_STACK
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+ Align: 0x10
+ Offset: 0x0
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+ File: libc.so.6
+ Entries:
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+ Hash: 157882997
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+ Other: 2
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+ - main
+ - '_Optional_payload<Type, true, false, false>'
+ - '/root/os-llvm/llvm-project'
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diff --git a/lldb/unittests/SymbolFile/PDB/CMakeLists.txt b/lldb/unittests/SymbolFile/PDB/CMakeLists.txt
index 8edb352..0bd90fe 100644
--- a/lldb/unittests/SymbolFile/PDB/CMakeLists.txt
+++ b/lldb/unittests/SymbolFile/PDB/CMakeLists.txt
@@ -9,6 +9,7 @@ add_lldb_unittest(SymbolFilePDBTests
lldbHost
lldbSymbol
lldbPluginObjectFilePECOFF
+ lldbPluginPlatformWindows
lldbPluginSymbolFileDWARF
lldbPluginSymbolFilePDB
lldbPluginTypeSystemClang
diff --git a/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp b/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
index 858aecd..90cd4d5 100644
--- a/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
+++ b/lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
@@ -16,11 +16,13 @@
#include "llvm/Testing/Support/Error.h"
#include "Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h"
+#include "Plugins/Platform/Windows/PlatformWindows.h"
#include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h"
#include "Plugins/SymbolFile/PDB/SymbolFilePDB.h"
#include "Plugins/TypeSystem/Clang/TypeSystemClang.h"
#include "TestingSupport/TestUtilities.h"
#include "lldb/Core/Address.h"
+#include "lldb/Core/Debugger.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Host/FileSystem.h"
@@ -59,6 +61,13 @@ public:
m_pdb_test_exe = GetInputFilePath("test-pdb.exe");
m_types_test_exe = GetInputFilePath("test-pdb-types.exe");
+
+ ArchSpec arch("x86_64-pc-windows-msvc");
+ Platform::SetHostPlatform(PlatformWindows::CreateInstance(true, &arch));
+ m_debugger_sp = Debugger::CreateInstance();
+ m_debugger_sp->SetPropertyValue(nullptr,
+ lldb_private::eVarSetOperationAssign,
+ "plugin.symbol-file.pdb.reader", "dia");
}
void TearDown() override {
@@ -77,6 +86,7 @@ public:
protected:
std::string m_pdb_test_exe;
std::string m_types_test_exe;
+ lldb::DebuggerSP m_debugger_sp;
bool FileSpecMatchesAsBaseOrFull(const FileSpec &left,
const FileSpec &right) const {
generated by cgit v1.1 at 2025-11-01 20:31:31 +0000