forked from OSchip/llvm-project
487 lines
14 KiB
C++
487 lines
14 KiB
C++
//===-- SymbolVendor.mm -----------------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "lldb/Symbol/SymbolVendor.h"
|
|
|
|
// C Includes
|
|
// C++ Includes
|
|
// Other libraries and framework includes
|
|
// Project includes
|
|
#include "lldb/Core/Module.h"
|
|
#include "lldb/Core/PluginManager.h"
|
|
#include "lldb/Core/Stream.h"
|
|
#include "lldb/Symbol/CompileUnit.h"
|
|
#include "lldb/Symbol/ObjectFile.h"
|
|
#include "lldb/Symbol/SymbolFile.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
// FindPlugin
|
|
//
|
|
// Platforms can register a callback to use when creating symbol
|
|
// vendors to allow for complex debug information file setups, and to
|
|
// also allow for finding separate debug information files.
|
|
//----------------------------------------------------------------------
|
|
SymbolVendor*
|
|
SymbolVendor::FindPlugin (const lldb::ModuleSP &module_sp, lldb_private::Stream *feedback_strm)
|
|
{
|
|
std::unique_ptr<SymbolVendor> instance_ap;
|
|
SymbolVendorCreateInstance create_callback;
|
|
|
|
for (size_t idx = 0; (create_callback = PluginManager::GetSymbolVendorCreateCallbackAtIndex(idx)) != NULL; ++idx)
|
|
{
|
|
instance_ap.reset(create_callback(module_sp, feedback_strm));
|
|
|
|
if (instance_ap.get())
|
|
{
|
|
return instance_ap.release();
|
|
}
|
|
}
|
|
// The default implementation just tries to create debug information using the
|
|
// file representation for the module.
|
|
instance_ap.reset(new SymbolVendor(module_sp));
|
|
if (instance_ap.get())
|
|
{
|
|
ObjectFile *objfile = module_sp->GetObjectFile();
|
|
if (objfile)
|
|
instance_ap->AddSymbolFileRepresentation(objfile->shared_from_this());
|
|
}
|
|
return instance_ap.release();
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// SymbolVendor constructor
|
|
//----------------------------------------------------------------------
|
|
SymbolVendor::SymbolVendor(const lldb::ModuleSP &module_sp) :
|
|
ModuleChild (module_sp),
|
|
m_type_list(),
|
|
m_compile_units(),
|
|
m_sym_file_ap()
|
|
{
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// Destructor
|
|
//----------------------------------------------------------------------
|
|
SymbolVendor::~SymbolVendor()
|
|
{
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// Add a represention given an object file.
|
|
//----------------------------------------------------------------------
|
|
void
|
|
SymbolVendor::AddSymbolFileRepresentation(const ObjectFileSP &objfile_sp)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (objfile_sp)
|
|
{
|
|
m_objfile_sp = objfile_sp;
|
|
m_sym_file_ap.reset(SymbolFile::FindPlugin(objfile_sp.get()));
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
SymbolVendor::SetCompileUnitAtIndex (size_t idx, const CompUnitSP &cu_sp)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
const size_t num_compile_units = GetNumCompileUnits();
|
|
if (idx < num_compile_units)
|
|
{
|
|
// Fire off an assertion if this compile unit already exists for now.
|
|
// The partial parsing should take care of only setting the compile
|
|
// unit once, so if this assertion fails, we need to make sure that
|
|
// we don't have a race condition, or have a second parse of the same
|
|
// compile unit.
|
|
assert(m_compile_units[idx].get() == NULL);
|
|
m_compile_units[idx] = cu_sp;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// This should NOT happen, and if it does, we want to crash and know
|
|
// about it
|
|
assert (idx < num_compile_units);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
size_t
|
|
SymbolVendor::GetNumCompileUnits()
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_compile_units.empty())
|
|
{
|
|
if (m_sym_file_ap.get())
|
|
{
|
|
// Resize our array of compile unit shared pointers -- which will
|
|
// each remain NULL until someone asks for the actual compile unit
|
|
// information. When this happens, the symbol file will be asked
|
|
// to parse this compile unit information.
|
|
m_compile_units.resize(m_sym_file_ap->GetNumCompileUnits());
|
|
}
|
|
}
|
|
}
|
|
return m_compile_units.size();
|
|
}
|
|
|
|
lldb::LanguageType
|
|
SymbolVendor::ParseCompileUnitLanguage (const SymbolContext& sc)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ParseCompileUnitLanguage(sc);
|
|
}
|
|
return eLanguageTypeUnknown;
|
|
}
|
|
|
|
|
|
size_t
|
|
SymbolVendor::ParseCompileUnitFunctions (const SymbolContext &sc)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ParseCompileUnitFunctions(sc);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool
|
|
SymbolVendor::ParseCompileUnitLineTable (const SymbolContext &sc)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ParseCompileUnitLineTable(sc);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
SymbolVendor::ParseCompileUnitSupportFiles (const SymbolContext& sc, FileSpecList& support_files)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ParseCompileUnitSupportFiles(sc, support_files);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
size_t
|
|
SymbolVendor::ParseFunctionBlocks (const SymbolContext &sc)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ParseFunctionBlocks(sc);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
SymbolVendor::ParseTypes (const SymbolContext &sc)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ParseTypes(sc);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
SymbolVendor::ParseVariablesForContext (const SymbolContext& sc)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ParseVariablesForContext(sc);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Type*
|
|
SymbolVendor::ResolveTypeUID(lldb::user_id_t type_uid)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ResolveTypeUID(type_uid);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
uint32_t
|
|
SymbolVendor::ResolveSymbolContext (const Address& so_addr, uint32_t resolve_scope, SymbolContext& sc)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ResolveSymbolContext(so_addr, resolve_scope, sc);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
uint32_t
|
|
SymbolVendor::ResolveSymbolContext (const FileSpec& file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->ResolveSymbolContext(file_spec, line, check_inlines, resolve_scope, sc_list);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
SymbolVendor::FindGlobalVariables (const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, size_t max_matches, VariableList& variables)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->FindGlobalVariables(name, namespace_decl, append, max_matches, variables);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
SymbolVendor::FindGlobalVariables (const RegularExpression& regex, bool append, size_t max_matches, VariableList& variables)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->FindGlobalVariables(regex, append, max_matches, variables);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
SymbolVendor::FindFunctions(const ConstString &name, const ClangNamespaceDecl *namespace_decl, uint32_t name_type_mask, bool include_inlines, bool append, SymbolContextList& sc_list)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->FindFunctions(name, namespace_decl, name_type_mask, include_inlines, append, sc_list);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
SymbolVendor::FindFunctions(const RegularExpression& regex, bool include_inlines, bool append, SymbolContextList& sc_list)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->FindFunctions(regex, include_inlines, append, sc_list);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
size_t
|
|
SymbolVendor::FindTypes (const SymbolContext& sc, const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, size_t max_matches, TypeList& types)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->FindTypes(sc, name, namespace_decl, append, max_matches, types);
|
|
}
|
|
if (!append)
|
|
types.Clear();
|
|
return 0;
|
|
}
|
|
|
|
size_t
|
|
SymbolVendor::GetTypes (SymbolContextScope *sc_scope,
|
|
uint32_t type_mask,
|
|
lldb_private::TypeList &type_list)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
return m_sym_file_ap->GetTypes (sc_scope, type_mask, type_list);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
ClangNamespaceDecl
|
|
SymbolVendor::FindNamespace(const SymbolContext& sc, const ConstString &name, const ClangNamespaceDecl *parent_namespace_decl)
|
|
{
|
|
ClangNamespaceDecl namespace_decl;
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
lldb_private::Mutex::Locker locker(module_sp->GetMutex());
|
|
if (m_sym_file_ap.get())
|
|
namespace_decl = m_sym_file_ap->FindNamespace (sc, name, parent_namespace_decl);
|
|
}
|
|
return namespace_decl;
|
|
}
|
|
|
|
void
|
|
SymbolVendor::Dump(Stream *s)
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
bool show_context = false;
|
|
|
|
s->Printf("%p: ", this);
|
|
s->Indent();
|
|
s->PutCString("SymbolVendor");
|
|
if (m_sym_file_ap.get())
|
|
{
|
|
ObjectFile *objfile = m_sym_file_ap->GetObjectFile();
|
|
if (objfile)
|
|
{
|
|
const FileSpec &objfile_file_spec = objfile->GetFileSpec();
|
|
if (objfile_file_spec)
|
|
{
|
|
s->PutCString(" (");
|
|
objfile_file_spec.Dump(s);
|
|
s->PutChar(')');
|
|
}
|
|
}
|
|
}
|
|
s->EOL();
|
|
s->IndentMore();
|
|
m_type_list.Dump(s, show_context);
|
|
|
|
CompileUnitConstIter cu_pos, cu_end;
|
|
cu_end = m_compile_units.end();
|
|
for (cu_pos = m_compile_units.begin(); cu_pos != cu_end; ++cu_pos)
|
|
{
|
|
// We currently only dump the compile units that have been parsed
|
|
if (cu_pos->get())
|
|
(*cu_pos)->Dump(s, show_context);
|
|
}
|
|
|
|
s->IndentLess();
|
|
}
|
|
}
|
|
|
|
CompUnitSP
|
|
SymbolVendor::GetCompileUnitAtIndex(size_t idx)
|
|
{
|
|
CompUnitSP cu_sp;
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
const size_t num_compile_units = GetNumCompileUnits();
|
|
if (idx < num_compile_units)
|
|
{
|
|
cu_sp = m_compile_units[idx];
|
|
if (cu_sp.get() == NULL)
|
|
{
|
|
m_compile_units[idx] = m_sym_file_ap->ParseCompileUnitAtIndex(idx);
|
|
cu_sp = m_compile_units[idx];
|
|
}
|
|
}
|
|
}
|
|
return cu_sp;
|
|
}
|
|
|
|
Symtab *
|
|
SymbolVendor::GetSymtab ()
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
ObjectFile *objfile = module_sp->GetObjectFile();
|
|
if (objfile)
|
|
{
|
|
// Get symbol table from unified section list.
|
|
return objfile->GetSymtab ();
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
SymbolVendor::ClearSymtab()
|
|
{
|
|
ModuleSP module_sp(GetModule());
|
|
if (module_sp)
|
|
{
|
|
ObjectFile *objfile = module_sp->GetObjectFile();
|
|
if (objfile)
|
|
{
|
|
// Clear symbol table from unified section list.
|
|
objfile->ClearSymtab ();
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------
|
|
// PluginInterface protocol
|
|
//------------------------------------------------------------------
|
|
lldb_private::ConstString
|
|
SymbolVendor::GetPluginName()
|
|
{
|
|
static ConstString g_name("vendor-default");
|
|
return g_name;
|
|
}
|
|
|
|
uint32_t
|
|
SymbolVendor::GetPluginVersion()
|
|
{
|
|
return 1;
|
|
}
|
|
|