bf9a77305f
This moves the following classes from Core -> Utility. ConstString Error RegularExpression Stream StreamString The goal here is to get lldbUtility into a state where it has no dependendencies except on itself and LLVM, so it can be the starting point at which to start untangling LLDB's dependencies. These are all low level and very widely used classes, and previously lldbUtility had dependencies up to lldbCore in order to use these classes. So moving then down to lldbUtility makes sense from both the short term and long term perspective in solving this problem. Differential Revision: https://reviews.llvm.org/D29427 llvm-svn: 293941
297 lines
12 KiB
C++
297 lines
12 KiB
C++
//===-- SymbolVendorMacOSX.cpp ----------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "SymbolVendorMacOSX.h"
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#include <string.h>
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#include "lldb/Core/Module.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Core/Section.h"
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#include "lldb/Core/Timer.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Host/Symbols.h"
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#include "lldb/Host/XML.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Utility/StreamString.h"
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using namespace lldb;
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using namespace lldb_private;
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//----------------------------------------------------------------------
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// SymbolVendorMacOSX constructor
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//----------------------------------------------------------------------
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SymbolVendorMacOSX::SymbolVendorMacOSX(const lldb::ModuleSP &module_sp)
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: SymbolVendor(module_sp) {}
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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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SymbolVendorMacOSX::~SymbolVendorMacOSX() {}
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static bool UUIDsMatch(Module *module, ObjectFile *ofile,
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lldb_private::Stream *feedback_strm) {
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if (module && ofile) {
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// Make sure the UUIDs match
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lldb_private::UUID dsym_uuid;
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if (!ofile->GetUUID(&dsym_uuid)) {
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if (feedback_strm) {
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feedback_strm->PutCString(
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"warning: failed to get the uuid for object file: '");
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ofile->GetFileSpec().Dump(feedback_strm);
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feedback_strm->PutCString("\n");
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}
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return false;
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}
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if (dsym_uuid == module->GetUUID())
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return true;
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// Emit some warning messages since the UUIDs do not match!
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if (feedback_strm) {
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feedback_strm->PutCString(
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"warning: UUID mismatch detected between modules:\n ");
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module->GetUUID().Dump(feedback_strm);
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feedback_strm->PutChar(' ');
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module->GetFileSpec().Dump(feedback_strm);
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feedback_strm->PutCString("\n ");
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dsym_uuid.Dump(feedback_strm);
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feedback_strm->PutChar(' ');
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ofile->GetFileSpec().Dump(feedback_strm);
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feedback_strm->EOL();
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}
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}
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return false;
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}
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void SymbolVendorMacOSX::Initialize() {
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PluginManager::RegisterPlugin(GetPluginNameStatic(),
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GetPluginDescriptionStatic(), CreateInstance);
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}
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void SymbolVendorMacOSX::Terminate() {
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PluginManager::UnregisterPlugin(CreateInstance);
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}
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lldb_private::ConstString SymbolVendorMacOSX::GetPluginNameStatic() {
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static ConstString g_name("macosx");
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return g_name;
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}
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const char *SymbolVendorMacOSX::GetPluginDescriptionStatic() {
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return "Symbol vendor for MacOSX that looks for dSYM files that match "
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"executables.";
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}
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//----------------------------------------------------------------------
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// CreateInstance
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//
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// Platforms can register a callback to use when creating symbol
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// vendors to allow for complex debug information file setups, and to
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// also allow for finding separate debug information files.
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//----------------------------------------------------------------------
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SymbolVendor *
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SymbolVendorMacOSX::CreateInstance(const lldb::ModuleSP &module_sp,
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lldb_private::Stream *feedback_strm) {
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if (!module_sp)
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return NULL;
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ObjectFile *obj_file = module_sp->GetObjectFile();
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if (!obj_file)
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return NULL;
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static ConstString obj_file_macho("mach-o");
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ConstString obj_name = obj_file->GetPluginName();
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if (obj_name != obj_file_macho)
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return NULL;
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Timer scoped_timer(LLVM_PRETTY_FUNCTION,
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"SymbolVendorMacOSX::CreateInstance (module = %s)",
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module_sp->GetFileSpec().GetPath().c_str());
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SymbolVendorMacOSX *symbol_vendor = new SymbolVendorMacOSX(module_sp);
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if (symbol_vendor) {
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char path[PATH_MAX];
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path[0] = '\0';
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// Try and locate the dSYM file on Mac OS X
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Timer scoped_timer2(
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"SymbolVendorMacOSX::CreateInstance () locate dSYM",
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"SymbolVendorMacOSX::CreateInstance (module = %s) locate dSYM",
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module_sp->GetFileSpec().GetPath().c_str());
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// First check to see if the module has a symbol file in mind already.
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// If it does, then we MUST use that.
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FileSpec dsym_fspec(module_sp->GetSymbolFileFileSpec());
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ObjectFileSP dsym_objfile_sp;
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if (!dsym_fspec) {
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// No symbol file was specified in the module, lets try and find
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// one ourselves.
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FileSpec file_spec = obj_file->GetFileSpec();
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if (!file_spec)
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file_spec = module_sp->GetFileSpec();
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ModuleSpec module_spec(file_spec, module_sp->GetArchitecture());
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module_spec.GetUUID() = module_sp->GetUUID();
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dsym_fspec = Symbols::LocateExecutableSymbolFile(module_spec);
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if (module_spec.GetSourceMappingList().GetSize())
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module_sp->GetSourceMappingList().Append(
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module_spec.GetSourceMappingList(), true);
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}
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if (dsym_fspec) {
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DataBufferSP dsym_file_data_sp;
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lldb::offset_t dsym_file_data_offset = 0;
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dsym_objfile_sp = ObjectFile::FindPlugin(
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module_sp, &dsym_fspec, 0, dsym_fspec.GetByteSize(),
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dsym_file_data_sp, dsym_file_data_offset);
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if (UUIDsMatch(module_sp.get(), dsym_objfile_sp.get(), feedback_strm)) {
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// We need a XML parser if we hope to parse a plist...
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if (XMLDocument::XMLEnabled()) {
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char dsym_path[PATH_MAX];
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if (module_sp->GetSourceMappingList().IsEmpty() &&
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dsym_fspec.GetPath(dsym_path, sizeof(dsym_path))) {
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lldb_private::UUID dsym_uuid;
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if (dsym_objfile_sp->GetUUID(&dsym_uuid)) {
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std::string uuid_str = dsym_uuid.GetAsString();
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if (!uuid_str.empty()) {
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char *resources = strstr(dsym_path, "/Contents/Resources/");
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if (resources) {
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char dsym_uuid_plist_path[PATH_MAX];
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resources[strlen("/Contents/Resources/")] = '\0';
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snprintf(dsym_uuid_plist_path, sizeof(dsym_uuid_plist_path),
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"%s%s.plist", dsym_path, uuid_str.c_str());
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FileSpec dsym_uuid_plist_spec(dsym_uuid_plist_path, false);
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if (dsym_uuid_plist_spec.Exists()) {
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ApplePropertyList plist(dsym_uuid_plist_path);
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if (plist) {
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std::string DBGBuildSourcePath;
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std::string DBGSourcePath;
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plist.GetValueAsString("DBGBuildSourcePath",
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DBGBuildSourcePath);
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plist.GetValueAsString("DBGSourcePath", DBGSourcePath);
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if (!DBGBuildSourcePath.empty() &&
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!DBGSourcePath.empty()) {
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if (DBGSourcePath[0] == '~') {
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FileSpec resolved_source_path(DBGSourcePath.c_str(),
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true);
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DBGSourcePath = resolved_source_path.GetPath();
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}
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module_sp->GetSourceMappingList().Append(
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ConstString(DBGBuildSourcePath),
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ConstString(DBGSourcePath), true);
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}
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// DBGSourcePathRemapping is a dictionary in the plist
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// with
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// keys which are DBGBuildSourcePath file paths and
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// values which are DBGSourcePath file paths
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StructuredData::ObjectSP plist_sp =
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plist.GetStructuredData();
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if (plist_sp.get() && plist_sp->GetAsDictionary() &&
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plist_sp->GetAsDictionary()->HasKey(
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"DBGSourcePathRemapping") &&
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plist_sp->GetAsDictionary()
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->GetValueForKey("DBGSourcePathRemapping")
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->GetAsDictionary()) {
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// In an early version of DBGSourcePathRemapping, the
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// DBGSourcePath
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// values were incorrect. If we have a newer style
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// DBGSourcePathRemapping, there will be a DBGVersion
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// key in the plist with version 2 or higher.
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//
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// If this is an old style DBGSourcePathRemapping,
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// ignore the
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// value half of the key-value remappings and use reuse
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// the original
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// gloal DBGSourcePath string.
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bool new_style_source_remapping_dictionary = false;
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std::string original_DBGSourcePath_value =
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DBGSourcePath;
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if (plist_sp->GetAsDictionary()->HasKey("DBGVersion")) {
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std::string version_string =
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plist_sp->GetAsDictionary()
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->GetValueForKey("DBGVersion")
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->GetStringValue("");
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if (!version_string.empty() &&
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isdigit(version_string[0])) {
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int version_number = atoi(version_string.c_str());
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if (version_number > 1) {
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new_style_source_remapping_dictionary = true;
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}
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}
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}
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StructuredData::Dictionary *remappings_dict =
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plist_sp->GetAsDictionary()
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->GetValueForKey("DBGSourcePathRemapping")
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->GetAsDictionary();
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remappings_dict->ForEach(
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[&module_sp, new_style_source_remapping_dictionary,
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original_DBGSourcePath_value](
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ConstString key,
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StructuredData::Object *object) -> bool {
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if (object && object->GetAsString()) {
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// key is DBGBuildSourcePath
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// object is DBGSourcePath
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std::string DBGSourcePath =
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object->GetStringValue();
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if (new_style_source_remapping_dictionary ==
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false &&
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!original_DBGSourcePath_value.empty()) {
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DBGSourcePath = original_DBGSourcePath_value;
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}
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if (DBGSourcePath[0] == '~') {
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FileSpec resolved_source_path(
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DBGSourcePath.c_str(), true);
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DBGSourcePath =
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resolved_source_path.GetPath();
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}
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module_sp->GetSourceMappingList().Append(
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key, ConstString(DBGSourcePath), true);
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}
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return true;
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});
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}
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}
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}
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}
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}
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}
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}
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}
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symbol_vendor->AddSymbolFileRepresentation(dsym_objfile_sp);
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return symbol_vendor;
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}
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}
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// Just create our symbol vendor using the current objfile as this is either
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// an executable with no dSYM (that we could locate), an executable with
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// a dSYM that has a UUID that doesn't match.
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symbol_vendor->AddSymbolFileRepresentation(obj_file->shared_from_this());
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}
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return symbol_vendor;
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}
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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ConstString SymbolVendorMacOSX::GetPluginName() {
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return GetPluginNameStatic();
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}
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uint32_t SymbolVendorMacOSX::GetPluginVersion() { return 1; }
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