This revision was automatically updated to reflect the committed changes.
Closed by commit rL334088: [DWARF] Add (empty) DebugNamesDWARFIndex class and a
setting to control its use (authored by labath, committed by ).
Herald added a subscriber: llvm-commits.
Repository:
rL LLVM
https://reviews.llvm.org/D47629
Files:
lldb/trunk/include/lldb/Symbol/SymbolFile.h
lldb/trunk/lit/SymbolFile/DWARF/apple-index-is-used.cpp
lldb/trunk/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp
lldb/trunk/source/Plugins/SymbolFile/DWARF/CMakeLists.txt
lldb/trunk/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.cpp
lldb/trunk/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h
lldb/trunk/source/Plugins/SymbolFile/DWARF/ManualDWARFIndex.cpp
lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h
lldb/trunk/source/Symbol/SymbolVendor.cpp
Index: lldb/trunk/source/Symbol/SymbolVendor.cpp
===================================================================
--- lldb/trunk/source/Symbol/SymbolVendor.cpp
+++ lldb/trunk/source/Symbol/SymbolVendor.cpp
@@ -392,6 +392,8 @@
}
}
s->EOL();
+ if (m_sym_file_ap)
+ m_sym_file_ap->Dump(*s);
s->IndentMore();
m_type_list.Dump(s, show_context);
Index: lldb/trunk/source/Plugins/SymbolFile/DWARF/CMakeLists.txt
===================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/CMakeLists.txt
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/CMakeLists.txt
@@ -1,5 +1,6 @@
add_lldb_library(lldbPluginSymbolFileDWARF PLUGIN
AppleDWARFIndex.cpp
+ DebugNamesDWARFIndex.cpp
DIERef.cpp
DWARFAbbreviationDeclaration.cpp
DWARFASTParserClang.cpp
Index: lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
===================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -64,6 +64,7 @@
#include "DWARFDeclContext.h"
#include "DWARFFormValue.h"
#include "DWARFUnit.h"
+#include "DebugNamesDWARFIndex.h"
#include "LogChannelDWARF.h"
#include "ManualDWARFIndex.h"
#include "SymbolFileDWARFDebugMap.h"
@@ -111,11 +112,20 @@
PropertyDefinition g_properties[] = {
{"comp-dir-symlink-paths", OptionValue::eTypeFileSpecList, true, 0, nullptr,
- nullptr, "If the DW_AT_comp_dir matches any of these paths the symbolic "
- "links will be resolved at DWARF parse time."},
- {nullptr, OptionValue::eTypeInvalid, false, 0, nullptr, nullptr, nullptr}};
+ nullptr,
+ "If the DW_AT_comp_dir matches any of these paths the symbolic "
+ "links will be resolved at DWARF parse time."},
+ {"ignore-file-indexes", OptionValue::eTypeBoolean, true, 0, nullptr,
+ nullptr,
+ "Ignore indexes present in the object files and always index DWARF "
+ "manually."},
+ {nullptr, OptionValue::eTypeInvalid, false, 0, nullptr, nullptr, nullptr},
+};
-enum { ePropertySymLinkPaths };
+enum {
+ ePropertySymLinkPaths,
+ ePropertyIgnoreIndexes,
+};
class PluginProperties : public Properties {
public:
@@ -135,6 +145,11 @@
assert(option_value);
return option_value->GetCurrentValue();
}
+
+ bool IgnoreFileIndexes() const {
+ return m_collection_sp->GetPropertyAtIndexAsBoolean(
+ nullptr, ePropertyIgnoreIndexes, false);
+ }
};
typedef std::shared_ptr<PluginProperties> SymbolFileDWARFPropertiesSP;
@@ -432,6 +447,7 @@
}
void SymbolFileDWARF::InitializeObject() {
+ Log *log = LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO);
ModuleSP module_sp(m_obj_file->GetModule());
if (module_sp) {
const SectionList *section_list = module_sp->GetSectionList();
@@ -442,19 +458,38 @@
m_obj_file->ReadSectionData(section, m_dwarf_data);
}
- DWARFDataExtractor apple_names, apple_namespaces, apple_types, apple_objc;
- LoadSectionData(eSectionTypeDWARFAppleNames, apple_names);
- LoadSectionData(eSectionTypeDWARFAppleNamespaces, apple_namespaces);
- LoadSectionData(eSectionTypeDWARFAppleTypes, apple_types);
- LoadSectionData(eSectionTypeDWARFAppleObjC, apple_objc);
-
- m_index = AppleDWARFIndex::Create(*GetObjectFile()->GetModule(), apple_names,
- apple_namespaces, apple_types, apple_objc,
- get_debug_str_data());
-
- if (!m_index)
- m_index = llvm::make_unique<ManualDWARFIndex>(*GetObjectFile()->GetModule(),
- DebugInfo());
+ if (!GetGlobalPluginProperties()->IgnoreFileIndexes()) {
+ DWARFDataExtractor apple_names, apple_namespaces, apple_types, apple_objc;
+ LoadSectionData(eSectionTypeDWARFAppleNames, apple_names);
+ LoadSectionData(eSectionTypeDWARFAppleNamespaces, apple_namespaces);
+ LoadSectionData(eSectionTypeDWARFAppleTypes, apple_types);
+ LoadSectionData(eSectionTypeDWARFAppleObjC, apple_objc);
+
+ m_index = AppleDWARFIndex::Create(
+ *GetObjectFile()->GetModule(), apple_names, apple_namespaces,
+ apple_types, apple_objc, get_debug_str_data());
+
+ if (m_index)
+ return;
+
+ DWARFDataExtractor debug_names;
+ LoadSectionData(eSectionTypeDWARFDebugNames, debug_names);
+ if (debug_names.GetByteSize() > 0) {
+ llvm::Expected<std::unique_ptr<DebugNamesDWARFIndex>> index_or =
+ DebugNamesDWARFIndex::Create(*GetObjectFile()->GetModule(),
+ debug_names, get_debug_str_data(),
+ DebugInfo());
+ if (index_or) {
+ m_index = std::move(*index_or);
+ return;
+ }
+ LLDB_LOG_ERROR(log, index_or.takeError(),
+ "Unable to read .debug_names data: {0}");
+ }
+ }
+
+ m_index = llvm::make_unique<ManualDWARFIndex>(*GetObjectFile()->GetModule(),
+ DebugInfo());
}
bool SymbolFileDWARF::SupportedVersion(uint16_t version) {
@@ -3685,10 +3720,7 @@
uint32_t SymbolFileDWARF::GetPluginVersion() { return 1; }
-void SymbolFileDWARF::DumpIndexes() {
- StreamFile s(stdout, false);
- m_index->Dump(s);
-}
+void SymbolFileDWARF::Dump(lldb_private::Stream &s) { m_index->Dump(s); }
SymbolFileDWARFDebugMap *SymbolFileDWARF::GetDebugMapSymfile() {
if (m_debug_map_symfile == NULL && !m_debug_map_module_wp.expired()) {
Index: lldb/trunk/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp
===================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp
@@ -236,5 +236,13 @@
}
void AppleDWARFIndex::Dump(Stream &s) {
- // TODO: Implement dumping.
+ if (m_apple_names_up)
+ s.PutCString(".apple_names index present\n");
+ if (m_apple_namespaces_up)
+ s.PutCString(".apple_namespaces index present\n");
+ if (m_apple_types_up)
+ s.PutCString(".apple_types index present\n");
+ if (m_apple_objc_up)
+ s.PutCString(".apple_objc index present\n");
+ // TODO: Dump index contents
}
Index: lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h
===================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h
@@ -316,6 +316,8 @@
DIEInDeclContext(const lldb_private::CompilerDeclContext *parent_decl_ctx,
const DWARFDIE &die);
+ void Dump(lldb_private::Stream &s) override;
+
protected:
typedef llvm::DenseMap<const DWARFDebugInfoEntry *, lldb_private::Type *>
DIEToTypePtr;
@@ -402,8 +404,6 @@
lldb::TypeSP GetTypeForDIE(const DWARFDIE &die,
bool resolve_function_context = false);
- void DumpIndexes();
-
void SetDebugMapModule(const lldb::ModuleSP &module_sp) {
m_debug_map_module_wp = module_sp;
}
Index: lldb/trunk/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h
===================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h
@@ -0,0 +1,65 @@
+//===-- DebugNamesDWARFIndex.h ---------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_DEBUGNAMESDWARFINDEX_H
+#define LLDB_DEBUGNAMESDWARFINDEX_H
+
+#include "Plugins/SymbolFile/DWARF/DWARFIndex.h"
+#include "lldb/Utility/ConstString.h"
+#include "llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h"
+
+namespace lldb_private {
+class DebugNamesDWARFIndex : public DWARFIndex {
+public:
+ static llvm::Expected<std::unique_ptr<DebugNamesDWARFIndex>>
+ Create(Module &module, DWARFDataExtractor debug_names,
+ DWARFDataExtractor debug_str, DWARFDebugInfo *debug_info);
+
+ void Preload() override {}
+
+ void GetGlobalVariables(ConstString name, DIEArray &offsets) override {}
+ void GetGlobalVariables(const RegularExpression ®ex,
+ DIEArray &offsets) override {}
+ void GetGlobalVariables(const DWARFUnit &cu, DIEArray &offsets) override {}
+ void GetObjCMethods(ConstString class_name, DIEArray &offsets) override {}
+ void GetCompleteObjCClass(ConstString class_name, bool must_be_implementation,
+ DIEArray &offsets) override {}
+ void GetTypes(ConstString name, DIEArray &offsets) override {}
+ void GetTypes(const DWARFDeclContext &context, DIEArray &offsets) override {}
+ void GetNamespaces(ConstString name, DIEArray &offsets) override {}
+ void GetFunctions(ConstString name, DWARFDebugInfo &info,
+ const CompilerDeclContext &parent_decl_ctx,
+ uint32_t name_type_mask,
+ std::vector<DWARFDIE> &dies) override {}
+ void GetFunctions(const RegularExpression ®ex,
+ DIEArray &offsets) override {}
+
+ void ReportInvalidDIEOffset(dw_offset_t offset,
+ llvm::StringRef name) override {}
+ void Dump(Stream &s) override {}
+
+private:
+ DebugNamesDWARFIndex(Module &module,
+ std::unique_ptr<llvm::DWARFDebugNames> debug_names_up,
+ DWARFDataExtractor debug_names_data,
+ DWARFDataExtractor debug_str_data,
+ DWARFDebugInfo *debug_info)
+ : DWARFIndex(module), m_debug_names_up(std::move(debug_names_up)) {}
+
+ // LLVM DWARFDebugNames will hold a non-owning reference to this data, so keep
+ // track of the ownership here.
+ DWARFDataExtractor m_debug_names_data;
+ DWARFDataExtractor m_debug_str_data;
+
+ std::unique_ptr<llvm::DWARFDebugNames> m_debug_names_up;
+};
+
+} // namespace lldb_private
+
+#endif // LLDB_DEBUGNAMESDWARFINDEX_H
Index: lldb/trunk/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.cpp
===================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.cpp
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.cpp
@@ -0,0 +1,33 @@
+//===-- DebugNamesDWARFIndex.cpp -------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Plugins/SymbolFile/DWARF/DebugNamesDWARFIndex.h"
+
+using namespace lldb_private;
+using namespace lldb;
+
+static llvm::DWARFDataExtractor ToLLVM(const DWARFDataExtractor &data) {
+ return llvm::DWARFDataExtractor(
+ llvm::StringRef(reinterpret_cast<const char *>(data.GetDataStart()),
+ data.GetByteSize()),
+ data.GetByteOrder() == eByteOrderLittle, data.GetAddressByteSize());
+}
+
+llvm::Expected<std::unique_ptr<DebugNamesDWARFIndex>>
+DebugNamesDWARFIndex::Create(Module &module, DWARFDataExtractor debug_names,
+ DWARFDataExtractor debug_str,
+ DWARFDebugInfo *debug_info) {
+ auto index_up = llvm::make_unique<llvm::DWARFDebugNames>(ToLLVM(debug_names),
+ ToLLVM(debug_str));
+ if (llvm::Error E = index_up->extract())
+ return std::move(E);
+
+ return std::unique_ptr<DebugNamesDWARFIndex>(new DebugNamesDWARFIndex(
+ module, std::move(index_up), debug_names, debug_str, debug_info));
+}
Index: lldb/trunk/source/Plugins/SymbolFile/DWARF/ManualDWARFIndex.cpp
===================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/ManualDWARFIndex.cpp
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/ManualDWARFIndex.cpp
@@ -468,7 +468,7 @@
}
void ManualDWARFIndex::Dump(Stream &s) {
- s.Format("DWARF index for ({0}) '{1:F}':",
+ s.Format("Manual DWARF index for ({0}) '{1:F}':",
m_module.GetArchitecture().GetArchitectureName(),
m_module.GetObjectFile()->GetFileSpec());
s.Printf("\nFunction basenames:\n");
Index: lldb/trunk/lit/SymbolFile/DWARF/apple-index-is-used.cpp
===================================================================
--- lldb/trunk/lit/SymbolFile/DWARF/apple-index-is-used.cpp
+++ lldb/trunk/lit/SymbolFile/DWARF/apple-index-is-used.cpp
@@ -0,0 +1,8 @@
+// Test that we use the apple indexes.
+// RUN: clang %s -g -c -o %t --target=x86_64-apple-macosx
+// RUN: lldb-test symbols %t | FileCheck %s
+
+// CHECK: .apple_names index present
+// CHECK: .apple_types index present
+
+int foo;
Index: lldb/trunk/include/lldb/Symbol/SymbolFile.h
===================================================================
--- lldb/trunk/include/lldb/Symbol/SymbolFile.h
+++ lldb/trunk/include/lldb/Symbol/SymbolFile.h
@@ -200,6 +200,8 @@
//------------------------------------------------------------------
virtual void SectionFileAddressesChanged() {}
+ virtual void Dump(Stream &s) {}
+
protected:
ObjectFile *m_obj_file; // The object file that symbols can be extracted from.
uint32_t m_abilities;
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