39497e9f5b
to the path remappings. Also don't add the paths to the path mapping when DebugSymbols tells up about files, since we'll just do that again when we read in the dSYM. <rdar://problem/21986208> llvm-svn: 243181
252 lines
9.3 KiB
C++
252 lines
9.3 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/StreamString.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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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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}
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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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SymbolVendorMacOSX::~SymbolVendorMacOSX()
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{
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}
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static bool
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UUIDsMatch(Module *module, ObjectFile *ofile, lldb_private::Stream *feedback_strm)
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{
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if (module && ofile)
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{
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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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{
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if (feedback_strm)
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{
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feedback_strm->PutCString("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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{
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feedback_strm->PutCString("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
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SymbolVendorMacOSX::Initialize()
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{
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PluginManager::RegisterPlugin (GetPluginNameStatic(),
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GetPluginDescriptionStatic(),
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CreateInstance);
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}
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void
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SymbolVendorMacOSX::Terminate()
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{
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PluginManager::UnregisterPlugin (CreateInstance);
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}
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lldb_private::ConstString
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SymbolVendorMacOSX::GetPluginNameStatic()
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{
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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 *
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SymbolVendorMacOSX::GetPluginDescriptionStatic()
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{
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return "Symbol vendor for MacOSX that looks for dSYM files that match 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, lldb_private::Stream *feedback_strm)
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{
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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 (__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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{
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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 ("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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{
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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 (module_spec.GetSourceMappingList (), true);
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}
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if (dsym_fspec)
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{
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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(module_sp, &dsym_fspec, 0, dsym_fspec.GetByteSize(), 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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{
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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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{
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char dsym_path[PATH_MAX];
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if (module_sp->GetSourceMappingList().IsEmpty() && dsym_fspec.GetPath(dsym_path, sizeof(dsym_path)))
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{
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lldb_private::UUID dsym_uuid;
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if (dsym_objfile_sp->GetUUID(&dsym_uuid))
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{
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std::string uuid_str = dsym_uuid.GetAsString ();
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if (!uuid_str.empty())
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{
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char *resources = strstr (dsym_path, "/Contents/Resources/");
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if (resources)
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{
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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), "%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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{
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ApplePropertyList plist(dsym_uuid_plist_path);
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if (plist)
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{
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std::string DBGBuildSourcePath;
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std::string DBGSourcePath;
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plist.GetValueAsString("DBGBuildSourcePath", DBGBuildSourcePath);
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plist.GetValueAsString("DBGSourcePath", DBGSourcePath);
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if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty())
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{
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if (DBGSourcePath[0] == '~')
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{
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FileSpec resolved_source_path(DBGSourcePath.c_str(), true);
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DBGSourcePath = resolved_source_path.GetPath();
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}
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module_sp->GetSourceMappingList().Append (ConstString(DBGBuildSourcePath), ConstString(DBGSourcePath), 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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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
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SymbolVendorMacOSX::GetPluginName()
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{
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return GetPluginNameStatic();
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}
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uint32_t
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SymbolVendorMacOSX::GetPluginVersion()
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{
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return 1;
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}
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