[Lldb-commits] [lldb] r346045 - Revert "[Symbol] Search symbols with name and type in a symbol file"
Davide Italiano via lldb-commits
lldb-commits at lists.llvm.org
Fri Nov 2 14:59:14 PDT 2018
Author: davide
Date: Fri Nov 2 14:59:14 2018
New Revision: 346045
URL: http://llvm.org/viewvc/llvm-project?rev=346045&view=rev
Log:
Revert "[Symbol] Search symbols with name and type in a symbol file"
It broke MacOS buildbots.
Modified:
lldb/trunk/include/lldb/Symbol/SymbolFile.h
lldb/trunk/include/lldb/Symbol/SymbolVendor.h
lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
lldb/trunk/source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp
lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
lldb/trunk/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h
lldb/trunk/source/Symbol/SymbolVendor.cpp
lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
Modified: lldb/trunk/include/lldb/Symbol/SymbolFile.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Symbol/SymbolFile.h?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Symbol/SymbolFile.h (original)
+++ lldb/trunk/include/lldb/Symbol/SymbolFile.h Fri Nov 2 14:59:14 2018
@@ -214,8 +214,6 @@ public:
return {};
}
- virtual void AddSymbols(Symtab &symtab) {}
-
//------------------------------------------------------------------
/// Notify the SymbolFile that the file addresses in the Sections
/// for this module have been changed.
Modified: lldb/trunk/include/lldb/Symbol/SymbolVendor.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Symbol/SymbolVendor.h?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Symbol/SymbolVendor.h (original)
+++ lldb/trunk/include/lldb/Symbol/SymbolVendor.h Fri Nov 2 14:59:14 2018
@@ -165,8 +165,6 @@ protected:
// file)
std::unique_ptr<SymbolFile> m_sym_file_ap; // A single symbol file. Subclasses
// can add more of these if needed.
- Symtab *m_symtab; // Save a symtab once to not pass it through `AddSymbols` of
- // the symbol file each time when it is needed
private:
//------------------------------------------------------------------
Modified: lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp (original)
+++ lldb/trunk/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp Fri Nov 2 14:59:14 2018
@@ -2876,6 +2876,8 @@ Symtab *ObjectFileELF::GetSymtab() {
// do the section lookup next time.
if (m_symtab_ap == nullptr)
m_symtab_ap.reset(new Symtab(this));
+
+ m_symtab_ap->CalculateSymbolSizes();
}
return m_symtab_ap.get();
Modified: lldb/trunk/source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp (original)
+++ lldb/trunk/source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp Fri Nov 2 14:59:14 2018
@@ -124,6 +124,7 @@ Symtab *ObjectFileJIT::GetSymtab() {
if (delegate_sp)
delegate_sp->PopulateSymtab(this, *m_symtab_ap);
// TODO: get symbols from delegate
+ m_symtab_ap->Finalize();
}
}
return m_symtab_ap.get();
Modified: lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp (original)
+++ lldb/trunk/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp Fri Nov 2 14:59:14 2018
@@ -1315,6 +1315,7 @@ Symtab *ObjectFileMachO::GetSymtab() {
std::lock_guard<std::recursive_mutex> symtab_guard(
m_symtab_ap->GetMutex());
ParseSymtab();
+ m_symtab_ap->Finalize();
}
}
return m_symtab_ap.get();
@@ -4806,6 +4807,16 @@ size_t ObjectFileMachO::ParseSymtab() {
}
}
+ // StreamFile s(stdout, false);
+ // s.Printf ("Symbol table before CalculateSymbolSizes():\n");
+ // symtab->Dump(&s, NULL, eSortOrderNone);
+ // Set symbol byte sizes correctly since mach-o nlist entries don't have
+ // sizes
+ symtab->CalculateSymbolSizes();
+
+ // s.Printf ("Symbol table after CalculateSymbolSizes():\n");
+ // symtab->Dump(&s, NULL, eSortOrderNone);
+
return symtab->GetNumSymbols();
}
return 0;
Modified: lldb/trunk/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp (original)
+++ lldb/trunk/source/Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.cpp Fri Nov 2 14:59:14 2018
@@ -651,6 +651,7 @@ Symtab *ObjectFilePECOFF::GetSymtab() {
symbols[i].SetDebug(true);
}
}
+ m_symtab_ap->CalculateSymbolSizes();
}
}
return m_symtab_ap.get();
Modified: lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp (original)
+++ lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.cpp Fri Nov 2 14:59:14 2018
@@ -1331,55 +1331,6 @@ void SymbolFilePDB::GetMangledNamesForFu
const std::string &scope_qualified_name,
std::vector<lldb_private::ConstString> &mangled_names) {}
-void SymbolFilePDB::AddSymbols(lldb_private::Symtab &symtab) {
- std::set<lldb::addr_t> sym_addresses;
- for (size_t i = 0; i < symtab.GetNumSymbols(); i++)
- sym_addresses.insert(symtab.SymbolAtIndex(i)->GetFileAddress());
-
- auto results = m_global_scope_up->findAllChildren<PDBSymbolPublicSymbol>();
- if (!results)
- return;
-
- auto section_list = m_obj_file->GetSectionList();
- if (!section_list)
- return;
-
- while (auto pub_symbol = results->getNext()) {
- auto section_idx = pub_symbol->getAddressSection() - 1;
- if (section_idx >= section_list->GetSize())
- continue;
-
- auto section = section_list->GetSectionAtIndex(section_idx);
- if (!section)
- continue;
-
- auto offset = pub_symbol->getAddressOffset();
-
- auto file_addr = section->GetFileAddress() + offset;
- if (sym_addresses.find(file_addr) != sym_addresses.end())
- continue;
- sym_addresses.insert(file_addr);
-
- auto size = pub_symbol->getLength();
- symtab.AddSymbol(
- Symbol(pub_symbol->getSymIndexId(), // symID
- pub_symbol->getName().c_str(), // name
- true, // name_is_mangled
- pub_symbol->isCode() ? eSymbolTypeCode : eSymbolTypeData, // type
- true, // external
- false, // is_debug
- false, // is_trampoline
- false, // is_artificial
- section, // section_sp
- offset, // value
- size, // size
- size != 0, // size_is_valid
- false, // contains_linker_annotations
- 0 // flags
- ));
- }
-}
-
uint32_t SymbolFilePDB::FindTypes(
const lldb_private::SymbolContext &sc,
const lldb_private::ConstString &name,
Modified: lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h (original)
+++ lldb/trunk/source/Plugins/SymbolFile/PDB/SymbolFilePDB.h Fri Nov 2 14:59:14 2018
@@ -133,8 +133,6 @@ public:
const std::string &scope_qualified_name,
std::vector<lldb_private::ConstString> &mangled_names) override;
- void AddSymbols(lldb_private::Symtab &symtab) override;
-
uint32_t
FindTypes(const lldb_private::SymbolContext &sc,
const lldb_private::ConstString &name,
Modified: lldb/trunk/source/Symbol/SymbolVendor.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Symbol/SymbolVendor.cpp?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/source/Symbol/SymbolVendor.cpp (original)
+++ lldb/trunk/source/Symbol/SymbolVendor.cpp Fri Nov 2 14:59:14 2018
@@ -61,7 +61,7 @@ SymbolVendor *SymbolVendor::FindPlugin(c
//----------------------------------------------------------------------
SymbolVendor::SymbolVendor(const lldb::ModuleSP &module_sp)
: ModuleChild(module_sp), m_type_list(), m_compile_units(),
- m_sym_file_ap(), m_symtab() {}
+ m_sym_file_ap() {}
//----------------------------------------------------------------------
// Destructor
@@ -438,26 +438,14 @@ FileSpec SymbolVendor::GetMainFileSpec()
Symtab *SymbolVendor::GetSymtab() {
ModuleSP module_sp(GetModule());
- if (!module_sp)
- return nullptr;
-
- std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex());
-
- if (m_symtab)
- return m_symtab;
-
- ObjectFile *objfile = module_sp->GetObjectFile();
- if (!objfile)
- return nullptr;
-
- m_symtab = objfile->GetSymtab();
- if (m_symtab && m_sym_file_ap)
- m_sym_file_ap->AddSymbols(*m_symtab);
-
- m_symtab->CalculateSymbolSizes();
- m_symtab->Finalize();
-
- return m_symtab;
+ if (module_sp) {
+ ObjectFile *objfile = module_sp->GetObjectFile();
+ if (objfile) {
+ // Get symbol table from unified section list.
+ return objfile->GetSymtab();
+ }
+ }
+ return nullptr;
}
void SymbolVendor::ClearSymtab() {
Modified: lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp?rev=346045&r1=346044&r2=346045&view=diff
==============================================================================
--- lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp (original)
+++ lldb/trunk/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp Fri Nov 2 14:59:14 2018
@@ -621,20 +621,3 @@ TEST_F(SymbolFilePDBTests, TestNullName)
EXPECT_EQ(0u, num_results);
EXPECT_EQ(0u, results.GetSize());
}
-
-TEST_F(SymbolFilePDBTests, TestFindSymbolsWithNameAndType) {
- FileSpec fspec(m_pdb_test_exe.c_str(), false);
- ArchSpec aspec("i686-pc-windows");
- lldb::ModuleSP module = std::make_shared<Module>(fspec, aspec);
-
- SymbolContextList sc_list;
- EXPECT_EQ(1u,
- module->FindSymbolsWithNameAndType(ConstString("?foo@@YAHH at Z"),
- lldb::eSymbolTypeAny, sc_list));
- EXPECT_EQ(1u, sc_list.GetSize());
-
- SymbolContext sc;
- EXPECT_TRUE(sc_list.GetContextAtIndex(0, sc));
- EXPECT_STREQ("int foo(int)",
- sc.GetFunctionName(Mangled::ePreferDemangled).AsCString());
-}
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