static bool
LocateDSYMInVincinityOfExecutable (const ModuleSpec &module_spec, FileSpec &dsym_fspec)
{
const FileSpec *exec_fspec = module_spec.GetFileSpecPtr();
if (exec_fspec)
{
char path[PATH_MAX];
if (exec_fspec->GetPath(path, sizeof(path)))
{
// Make sure the module isn't already just a dSYM file...
if (strcasestr(path, ".dSYM/Contents/Resources/DWARF") == NULL)
{
size_t obj_file_path_length = strlen(path);
strlcat(path, ".dSYM/Contents/Resources/DWARF/", sizeof(path));
strlcat(path, exec_fspec->GetFilename().AsCString(), sizeof(path));
dsym_fspec.SetFile(path, false);
if (dsym_fspec.Exists() && FileAtPathContainsArchAndUUID (dsym_fspec, module_spec.GetArchitecturePtr(), module_spec.GetUUIDPtr()))
{
return true;
}
else
{
path[obj_file_path_length] = '\0';
char *last_dot = strrchr(path, '.');
while (last_dot != NULL && last_dot[0])
{
char *next_slash = strchr(last_dot, '/');
if (next_slash != NULL)
{
*next_slash = '\0';
strlcat(path, ".dSYM/Contents/Resources/DWARF/", sizeof(path));
strlcat(path, exec_fspec->GetFilename().AsCString(), sizeof(path));
dsym_fspec.SetFile(path, false);
if (dsym_fspec.Exists() && FileAtPathContainsArchAndUUID (dsym_fspec, module_spec.GetArchitecturePtr(), module_spec.GetUUIDPtr()))
return true;
else
{
*last_dot = '\0';
char *prev_slash = strrchr(path, '/');
if (prev_slash != NULL)
*prev_slash = '\0';
else
break;
}
}
else
{
break;
}
}
}
}
}
}
dsym_fspec.Clear();
return false;
}
Error PlatformiOSSimulator::GetSymbolFile(const FileSpec &platform_file,
const UUID *uuid_ptr,
FileSpec &local_file) {
Error error;
char platform_file_path[PATH_MAX];
if (platform_file.GetPath(platform_file_path, sizeof(platform_file_path))) {
char resolved_path[PATH_MAX];
const char *sdk_dir = GetSDKDirectoryAsCString();
if (sdk_dir) {
::snprintf(resolved_path, sizeof(resolved_path), "%s/%s", sdk_dir,
platform_file_path);
// First try in the SDK and see if the file is in there
local_file.SetFile(resolved_path, true);
if (local_file.Exists())
return error;
// Else fall back to the actual path itself
local_file.SetFile(platform_file_path, true);
if (local_file.Exists())
return error;
}
error.SetErrorStringWithFormat(
"unable to locate a platform file for '%s' in platform '%s'",
platform_file_path, GetPluginName().GetCString());
} else {
error.SetErrorString("invalid platform file argument");
}
return error;
}
Error PlatformRemoteAppleWatch::GetSymbolFile(const FileSpec &platform_file,
const UUID *uuid_ptr,
FileSpec &local_file) {
Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
Error error;
char platform_file_path[PATH_MAX];
if (platform_file.GetPath(platform_file_path, sizeof(platform_file_path))) {
char resolved_path[PATH_MAX];
const char *os_version_dir = GetDeviceSupportDirectoryForOSVersion();
if (os_version_dir) {
::snprintf(resolved_path, sizeof(resolved_path), "%s/%s", os_version_dir,
platform_file_path);
local_file.SetFile(resolved_path, true);
if (local_file.Exists()) {
if (log) {
log->Printf("Found a copy of %s in the DeviceSupport dir %s",
platform_file_path, os_version_dir);
}
return error;
}
::snprintf(resolved_path, sizeof(resolved_path), "%s/Symbols.Internal/%s",
os_version_dir, platform_file_path);
local_file.SetFile(resolved_path, true);
if (local_file.Exists()) {
if (log) {
log->Printf(
"Found a copy of %s in the DeviceSupport dir %s/Symbols.Internal",
platform_file_path, os_version_dir);
}
return error;
}
::snprintf(resolved_path, sizeof(resolved_path), "%s/Symbols/%s",
os_version_dir, platform_file_path);
local_file.SetFile(resolved_path, true);
if (local_file.Exists()) {
if (log) {
log->Printf("Found a copy of %s in the DeviceSupport dir %s/Symbols",
platform_file_path, os_version_dir);
}
return error;
}
}
local_file = platform_file;
if (local_file.Exists())
return error;
error.SetErrorStringWithFormat(
"unable to locate a platform file for '%s' in platform '%s'",
platform_file_path, GetPluginName().GetCString());
} else {
error.SetErrorString("invalid platform file argument");
}
return error;
}
Error
PlatformRemoteiOS::GetSymbolFile (const FileSpec &platform_file,
const UUID *uuid_ptr,
FileSpec &local_file)
{
Error error;
char platform_file_path[PATH_MAX];
if (platform_file.GetPath(platform_file_path, sizeof(platform_file_path)))
{
char resolved_path[PATH_MAX];
const char * os_version_dir = GetDeviceSupportDirectoryForOSVersion();
if (os_version_dir)
{
::snprintf (resolved_path,
sizeof(resolved_path),
"%s/%s",
os_version_dir,
platform_file_path);
local_file.SetFile(resolved_path, true);
if (local_file.Exists())
return error;
::snprintf (resolved_path,
sizeof(resolved_path),
"%s/Symbols.Internal/%s",
os_version_dir,
platform_file_path);
local_file.SetFile(resolved_path, true);
if (local_file.Exists())
return error;
::snprintf (resolved_path,
sizeof(resolved_path),
"%s/Symbols/%s",
os_version_dir,
platform_file_path);
local_file.SetFile(resolved_path, true);
if (local_file.Exists())
return error;
}
local_file = platform_file;
if (local_file.Exists())
return error;
error.SetErrorStringWithFormat ("unable to locate a platform file for '%s' in platform '%s'",
platform_file_path,
GetPluginName().GetCString());
}
else
{
error.SetErrorString ("invalid platform file argument");
}
return error;
}
bool
PathMappingList::FindFile (const FileSpec &orig_spec, FileSpec &new_spec) const
{
if (!m_pairs.empty())
{
char orig_path[PATH_MAX];
char new_path[PATH_MAX];
const size_t orig_path_len = orig_spec.GetPath (orig_path, sizeof(orig_path));
if (orig_path_len > 0)
{
const_iterator pos, end = m_pairs.end();
for (pos = m_pairs.begin(); pos != end; ++pos)
{
const size_t prefix_len = pos->first.GetLength();
if (orig_path_len >= prefix_len)
{
if (::strncmp (pos->first.GetCString(), orig_path, prefix_len) == 0)
{
const size_t new_path_len = snprintf(new_path, sizeof(new_path), "%s/%s", pos->second.GetCString(), orig_path + prefix_len);
if (new_path_len < sizeof(new_path))
{
new_spec.SetFile (new_path, true);
if (new_spec.Exists())
return true;
}
}
}
}
}
}
new_spec.Clear();
return false;
}
void
PlatformDarwinKernel::GetUserSpecifiedDirectoriesToSearch (std::vector<lldb_private::FileSpec> &directories)
{
FileSpecList user_dirs(GetGlobalProperties()->GetKextDirectories());
std::vector<FileSpec> possible_sdk_dirs;
const uint32_t user_dirs_count = user_dirs.GetSize();
for (uint32_t i = 0; i < user_dirs_count; i++)
{
FileSpec dir = user_dirs.GetFileSpecAtIndex (i);
dir.ResolvePath();
if (dir.Exists() && dir.IsDirectory())
{
directories.push_back (dir);
possible_sdk_dirs.push_back (dir); // does this directory have a *.sdk or *.kdk that we should look in?
// Is there a "System/Library/Extensions" subdir of this directory?
std::string dir_sle_path = dir.GetPath();
dir_sle_path.append ("/System/Library/Extensions");
FileSpec dir_sle(dir_sle_path.c_str(), true);
if (dir_sle.Exists() && dir_sle.IsDirectory())
{
directories.push_back (dir_sle);
}
}
}
SearchSDKsForKextDirectories (possible_sdk_dirs, directories);
}
static llvm::sys::DynamicLibrary
LoadPlugin (const lldb::DebuggerSP &debugger_sp, const FileSpec& spec, Error& error)
{
llvm::sys::DynamicLibrary dynlib = llvm::sys::DynamicLibrary::getPermanentLibrary(spec.GetPath().c_str());
if (dynlib.isValid())
{
typedef bool (*LLDBCommandPluginInit) (lldb::SBDebugger& debugger);
lldb::SBDebugger debugger_sb(debugger_sp);
// This calls the bool lldb::PluginInitialize(lldb::SBDebugger debugger) function.
// TODO: mangle this differently for your system - on OSX, the first underscore needs to be removed and the second one stays
LLDBCommandPluginInit init_func = (LLDBCommandPluginInit)dynlib.getAddressOfSymbol("_ZN4lldb16PluginInitializeENS_10SBDebuggerE");
if (init_func)
{
if (init_func(debugger_sb))
return dynlib;
else
error.SetErrorString("plug-in refused to load (lldb::PluginInitialize(lldb::SBDebugger) returned false)");
}
else
{
error.SetErrorString("plug-in is missing the required initialization: lldb::PluginInitialize(lldb::SBDebugger)");
}
}
else
{
if (spec.Exists())
error.SetErrorString("this file does not represent a loadable dylib");
else
error.SetErrorString("no such file");
}
return llvm::sys::DynamicLibrary();
}
Error
PlatformDarwin::ResolveSymbolFile (Target &target,
const ModuleSpec &sym_spec,
FileSpec &sym_file)
{
Error error;
sym_file = sym_spec.GetSymbolFileSpec();
if (sym_file.Exists())
{
if (sym_file.GetFileType() == FileSpec::eFileTypeDirectory)
{
sym_file = Symbols::FindSymbolFileInBundle (sym_file,
sym_spec.GetUUIDPtr(),
sym_spec.GetArchitecturePtr());
}
}
else
{
if (sym_spec.GetUUID().IsValid())
{
}
}
return error;
}
bool
PlatformPOSIX::GetFileExists (const FileSpec& file_spec)
{
if (IsHost())
return file_spec.Exists();
else if (m_remote_platform_sp)
return m_remote_platform_sp->GetFileExists(file_spec);
else
return Platform::GetFileExists(file_spec);
}
bool
HostInfoLinux::ComputeSupportExeDirectory(FileSpec &file_spec)
{
if (HostInfoPosix::ComputeSupportExeDirectory(file_spec) &&
!file_spec.IsRelativeToCurrentWorkingDirectory() &&
file_spec.Exists())
return true;
file_spec.GetDirectory() = GetProgramFileSpec().GetDirectory();
return !file_spec.GetDirectory().IsEmpty();
}
Error
Platform::ResolveExecutable (const FileSpec &exe_file,
const ArchSpec &exe_arch,
lldb::ModuleSP &exe_module_sp)
{
Error error;
if (exe_file.Exists())
{
if (exe_arch.IsValid())
{
error = ModuleList::GetSharedModule (exe_file,
exe_arch,
NULL,
NULL,
0,
exe_module_sp,
NULL,
NULL);
}
else
{
// No valid architecture was specified, ask the platform for
// the architectures that we should be using (in the correct order)
// and see if we can find a match that way
ArchSpec platform_arch;
for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, platform_arch); ++idx)
{
error = ModuleList::GetSharedModule (exe_file,
platform_arch,
NULL,
NULL,
0,
exe_module_sp,
NULL,
NULL);
// Did we find an executable using one of the
if (error.Success() && exe_module_sp)
break;
}
}
}
else
{
error.SetErrorStringWithFormat ("'%s%s%s' does not exist",
exe_file.GetDirectory().AsCString(""),
exe_file.GetDirectory() ? "/" : "",
exe_file.GetFilename().AsCString(""));
}
return error;
}
Error
Platform::ResolveExecutable (const FileSpec &exe_file,
const ArchSpec &exe_arch,
lldb::ModuleSP &exe_module_sp,
const FileSpecList *module_search_paths_ptr)
{
Error error;
if (exe_file.Exists())
{
ModuleSpec module_spec (exe_file, exe_arch);
if (module_spec.GetArchitecture().IsValid())
{
error = ModuleList::GetSharedModule (module_spec,
exe_module_sp,
module_search_paths_ptr,
NULL,
NULL);
}
else
{
// No valid architecture was specified, ask the platform for
// the architectures that we should be using (in the correct order)
// and see if we can find a match that way
for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, module_spec.GetArchitecture()); ++idx)
{
error = ModuleList::GetSharedModule (module_spec,
exe_module_sp,
module_search_paths_ptr,
NULL,
NULL);
// Did we find an executable using one of the
if (error.Success() && exe_module_sp)
break;
}
}
}
else
{
error.SetErrorStringWithFormat ("'%s' does not exist",
exe_file.GetPath().c_str());
}
return error;
}
FileSpec::EnumerateDirectoryResult
PlatformDarwinKernel::GetKextsInDirectory (void *baton,
FileSpec::FileType file_type,
const FileSpec &file_spec)
{
if (file_type == FileSpec::eFileTypeDirectory && file_spec.GetFileNameExtension() == ConstString("kext"))
{
((std::vector<lldb_private::FileSpec> *)baton)->push_back(file_spec);
std::string kext_bundle_path = file_spec.GetPath();
std::string search_here_too;
std::string contents_plugins_path = kext_bundle_path + "/Contents/PlugIns";
FileSpec contents_plugins (contents_plugins_path.c_str(), false);
if (contents_plugins.Exists() && contents_plugins.IsDirectory())
{
search_here_too = contents_plugins_path;
}
else
{
std::string plugins_path = kext_bundle_path + "/PlugIns";
FileSpec plugins (plugins_path.c_str(), false);
if (plugins.Exists() && plugins.IsDirectory())
{
search_here_too = plugins_path;
}
}
if (!search_here_too.empty())
{
const bool find_directories = true;
const bool find_files = false;
const bool find_other = false;
FileSpec::EnumerateDirectory (search_here_too.c_str(),
find_directories,
find_files,
find_other,
GetKextsInDirectory,
baton);
}
}
return FileSpec::eEnumerateDirectoryResultNext;
}
bool
ObjectFile::SplitArchivePathWithObject (const char *path_with_object, FileSpec &archive_file, ConstString &archive_object, bool must_exist)
{
RegularExpression g_object_regex("(.*)\\(([^\\)]+)\\)$");
RegularExpression::Match regex_match(2);
if (g_object_regex.Execute (path_with_object, ®ex_match))
{
std::string path;
std::string obj;
if (regex_match.GetMatchAtIndex (path_with_object, 1, path) &&
regex_match.GetMatchAtIndex (path_with_object, 2, obj))
{
archive_file.SetFile (path.c_str(), false);
archive_object.SetCString(obj.c_str());
if (must_exist && !archive_file.Exists())
return false;
return true;
}
}
return false;
}
bool
FileSystem::GetFileExists(const FileSpec &file_spec)
{
return file_spec.Exists();
}
Error
TargetList::CreateTargetInternal (Debugger &debugger,
const char *user_exe_path,
const ArchSpec& specified_arch,
bool get_dependent_files,
lldb::PlatformSP &platform_sp,
lldb::TargetSP &target_sp,
bool is_dummy_target)
{
Timer scoped_timer (__PRETTY_FUNCTION__,
"TargetList::CreateTarget (file = '%s', arch = '%s')",
user_exe_path,
specified_arch.GetArchitectureName());
Error error;
ArchSpec arch(specified_arch);
if (arch.IsValid())
{
if (!platform_sp || !platform_sp->IsCompatibleArchitecture(arch, false, NULL))
platform_sp = Platform::GetPlatformForArchitecture(specified_arch, &arch);
}
if (!platform_sp)
platform_sp = debugger.GetPlatformList().GetSelectedPlatform();
if (!arch.IsValid())
arch = specified_arch;
FileSpec file (user_exe_path, false);
if (!file.Exists() && user_exe_path && user_exe_path[0] == '~')
{
// we want to expand the tilde but we don't want to resolve any symbolic links
// so we can't use the FileSpec constructor's resolve flag
llvm::SmallString<64> unglobbed_path(user_exe_path);
FileSpec::ResolveUsername(unglobbed_path);
if (unglobbed_path.empty())
file = FileSpec(user_exe_path, false);
else
file = FileSpec(unglobbed_path.c_str(), false);
}
bool user_exe_path_is_bundle = false;
char resolved_bundle_exe_path[PATH_MAX];
resolved_bundle_exe_path[0] = '\0';
if (file)
{
if (file.GetFileType() == FileSpec::eFileTypeDirectory)
user_exe_path_is_bundle = true;
if (file.IsRelative() && user_exe_path)
{
// Ignore paths that start with "./" and "../"
if (!((user_exe_path[0] == '.' && user_exe_path[1] == '/') ||
(user_exe_path[0] == '.' && user_exe_path[1] == '.' && user_exe_path[2] == '/')))
{
char cwd[PATH_MAX];
if (getcwd (cwd, sizeof(cwd)))
{
std::string cwd_user_exe_path (cwd);
cwd_user_exe_path += '/';
cwd_user_exe_path += user_exe_path;
FileSpec cwd_file (cwd_user_exe_path.c_str(), false);
if (cwd_file.Exists())
file = cwd_file;
}
}
}
ModuleSP exe_module_sp;
if (platform_sp)
{
FileSpecList executable_search_paths (Target::GetDefaultExecutableSearchPaths());
ModuleSpec module_spec(file, arch);
error = platform_sp->ResolveExecutable (module_spec,
exe_module_sp,
executable_search_paths.GetSize() ? &executable_search_paths : NULL);
}
if (error.Success() && exe_module_sp)
{
if (exe_module_sp->GetObjectFile() == NULL)
{
if (arch.IsValid())
{
error.SetErrorStringWithFormat("\"%s\" doesn't contain architecture %s",
file.GetPath().c_str(),
arch.GetArchitectureName());
}
else
{
error.SetErrorStringWithFormat("unsupported file type \"%s\"",
file.GetPath().c_str());
}
return error;
}
target_sp.reset(new Target(debugger, arch, platform_sp, is_dummy_target));
target_sp->SetExecutableModule (exe_module_sp, get_dependent_files);
if (user_exe_path_is_bundle)
exe_module_sp->GetFileSpec().GetPath(resolved_bundle_exe_path, sizeof(resolved_bundle_exe_path));
}
}
else
{
// No file was specified, just create an empty target with any arch
// if a valid arch was specified
target_sp.reset(new Target(debugger, arch, platform_sp, is_dummy_target));
}
if (target_sp)
{
// Set argv0 with what the user typed, unless the user specified a
// directory. If the user specified a directory, then it is probably a
// bundle that was resolved and we need to use the resolved bundle path
if (user_exe_path)
{
// Use exactly what the user typed as the first argument when we exec or posix_spawn
if (user_exe_path_is_bundle && resolved_bundle_exe_path[0])
{
target_sp->SetArg0 (resolved_bundle_exe_path);
}
else
{
// Use resolved path
target_sp->SetArg0 (file.GetPath().c_str());
}
}
if (file.GetDirectory())
{
FileSpec file_dir;
file_dir.GetDirectory() = file.GetDirectory();
target_sp->GetExecutableSearchPaths ().Append (file_dir);
}
// Don't put the dummy target in the target list, it's held separately.
if (!is_dummy_target)
{
Mutex::Locker locker(m_target_list_mutex);
m_selected_target_idx = m_target_list.size();
m_target_list.push_back(target_sp);
// Now prime this from the dummy target:
target_sp->PrimeFromDummyTarget(debugger.GetDummyTarget());
}
else
{
m_dummy_target_sp = target_sp;
}
}
return error;
}
ConstString
PlatformMacOSX::GetSDKDirectory (lldb_private::Target &target)
{
ModuleSP exe_module_sp (target.GetExecutableModule());
if (exe_module_sp)
{
ObjectFile *objfile = exe_module_sp->GetObjectFile();
if (objfile)
{
std::string xcode_contents_path;
std::string default_xcode_sdk;
FileSpec fspec;
uint32_t versions[2];
if (objfile->GetSDKVersion(versions, sizeof(versions)))
{
if (HostInfo::GetLLDBPath(ePathTypeLLDBShlibDir, fspec))
{
std::string path;
xcode_contents_path = fspec.GetPath();
size_t pos = xcode_contents_path.find("/Xcode.app/Contents/");
if (pos != std::string::npos)
{
// LLDB.framework is inside an Xcode app bundle, we can locate the SDK from here
xcode_contents_path.erase(pos + strlen("/Xcode.app/Contents/"));
}
else
{
xcode_contents_path.clear();
// Use the selected Xcode
int status = 0;
int signo = 0;
std::string output;
const char *command = "xcrun -sdk macosx --show-sdk-path";
lldb_private::Error error = RunShellCommand (command, // shell command to run
NULL, // current working directory
&status, // Put the exit status of the process in here
&signo, // Put the signal that caused the process to exit in here
&output, // Get the output from the command and place it in this string
3); // Timeout in seconds to wait for shell program to finish
if (status == 0 && !output.empty())
{
size_t first_non_newline = output.find_last_not_of("\r\n");
if (first_non_newline != std::string::npos)
output.erase(first_non_newline+1);
default_xcode_sdk = output;
pos = default_xcode_sdk.find("/Xcode.app/Contents/");
if (pos != std::string::npos)
xcode_contents_path = default_xcode_sdk.substr(0, pos + strlen("/Xcode.app/Contents/"));
}
}
}
if (!xcode_contents_path.empty())
{
StreamString sdk_path;
sdk_path.Printf("%sDeveloper/Platforms/MacOSX.platform/Developer/SDKs/MacOSX%u.%u.sdk", xcode_contents_path.c_str(), versions[0], versions[1]);
fspec.SetFile(sdk_path.GetString().c_str(), false);
if (fspec.Exists())
return ConstString(sdk_path.GetString().c_str());
}
if (!default_xcode_sdk.empty())
{
fspec.SetFile(default_xcode_sdk.c_str(), false);
if (fspec.Exists())
return ConstString(default_xcode_sdk.c_str());
}
}
}
}
return ConstString();
}
static bool LocateDSYMInVincinityOfExecutable(const ModuleSpec &module_spec,
FileSpec &dsym_fspec) {
Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
const FileSpec *exec_fspec = module_spec.GetFileSpecPtr();
if (exec_fspec) {
char path[PATH_MAX];
if (exec_fspec->GetPath(path, sizeof(path))) {
// Make sure the module isn't already just a dSYM file...
if (strcasestr(path, ".dSYM/Contents/Resources/DWARF") == NULL) {
if (log) {
if (module_spec.GetUUIDPtr() && module_spec.GetUUIDPtr()->IsValid()) {
log->Printf(
"Searching for dSYM bundle next to executable %s, UUID %s",
path, module_spec.GetUUIDPtr()->GetAsString().c_str());
} else {
log->Printf("Searching for dSYM bundle next to executable %s",
path);
}
}
size_t obj_file_path_length = strlen(path);
::strncat(path, ".dSYM/Contents/Resources/DWARF/",
sizeof(path) - strlen(path) - 1);
::strncat(path, exec_fspec->GetFilename().AsCString(),
sizeof(path) - strlen(path) - 1);
dsym_fspec.SetFile(path, false);
ModuleSpecList module_specs;
ModuleSpec matched_module_spec;
if (dsym_fspec.Exists() &&
FileAtPathContainsArchAndUUID(dsym_fspec,
module_spec.GetArchitecturePtr(),
module_spec.GetUUIDPtr())) {
if (log) {
log->Printf("dSYM with matching UUID & arch found at %s", path);
}
return true;
} else {
path[obj_file_path_length] = '\0';
char *last_dot = strrchr(path, '.');
while (last_dot != NULL && last_dot[0]) {
char *next_slash = strchr(last_dot, '/');
if (next_slash != NULL) {
*next_slash = '\0';
::strncat(path, ".dSYM/Contents/Resources/DWARF/",
sizeof(path) - strlen(path) - 1);
::strncat(path, exec_fspec->GetFilename().AsCString(),
sizeof(path) - strlen(path) - 1);
dsym_fspec.SetFile(path, false);
if (dsym_fspec.Exists() &&
FileAtPathContainsArchAndUUID(
dsym_fspec, module_spec.GetArchitecturePtr(),
module_spec.GetUUIDPtr())) {
if (log) {
log->Printf("dSYM with matching UUID & arch found at %s",
path);
}
return true;
} else {
*last_dot = '\0';
char *prev_slash = strrchr(path, '/');
if (prev_slash != NULL)
*prev_slash = '\0';
else
break;
}
} else {
break;
}
}
}
}
}
}
dsym_fspec.Clear();
return false;
}
FileSpec Symbols::LocateExecutableSymbolFile(const ModuleSpec &module_spec) {
FileSpec symbol_file_spec = module_spec.GetSymbolFileSpec();
if (symbol_file_spec.IsAbsolute() && symbol_file_spec.Exists())
return symbol_file_spec;
const char *symbol_filename = symbol_file_spec.GetFilename().AsCString();
if (symbol_filename && symbol_filename[0]) {
FileSpecList debug_file_search_paths(
Target::GetDefaultDebugFileSearchPaths());
// Add module directory.
const ConstString &file_dir = module_spec.GetFileSpec().GetDirectory();
debug_file_search_paths.AppendIfUnique(
FileSpec(file_dir.AsCString("."), true));
// Add current working directory.
debug_file_search_paths.AppendIfUnique(FileSpec(".", true));
#ifndef LLVM_ON_WIN32
// Add /usr/lib/debug directory.
debug_file_search_paths.AppendIfUnique(FileSpec("/usr/lib/debug", true));
#endif // LLVM_ON_WIN32
std::string uuid_str;
const UUID &module_uuid = module_spec.GetUUID();
if (module_uuid.IsValid()) {
// Some debug files are stored in the .build-id directory like this:
// /usr/lib/debug/.build-id/ff/e7fe727889ad82bb153de2ad065b2189693315.debug
uuid_str = module_uuid.GetAsString("");
uuid_str.insert(2, 1, '/');
uuid_str = uuid_str + ".debug";
}
size_t num_directories = debug_file_search_paths.GetSize();
for (size_t idx = 0; idx < num_directories; ++idx) {
FileSpec dirspec = debug_file_search_paths.GetFileSpecAtIndex(idx);
dirspec.ResolvePath();
if (!dirspec.Exists() || !dirspec.IsDirectory())
continue;
std::vector<std::string> files;
std::string dirname = dirspec.GetPath();
files.push_back(dirname + "/" + symbol_filename);
files.push_back(dirname + "/.debug/" + symbol_filename);
files.push_back(dirname + "/.build-id/" + uuid_str);
// Some debug files may stored in the module directory like this:
// /usr/lib/debug/usr/lib/library.so.debug
if (!file_dir.IsEmpty())
files.push_back(dirname + file_dir.AsCString() + "/" + symbol_filename);
const uint32_t num_files = files.size();
for (size_t idx_file = 0; idx_file < num_files; ++idx_file) {
const std::string &filename = files[idx_file];
FileSpec file_spec(filename, true);
if (llvm::sys::fs::equivalent(file_spec.GetPath(),
module_spec.GetFileSpec().GetPath()))
continue;
if (file_spec.Exists()) {
lldb_private::ModuleSpecList specs;
const size_t num_specs =
ObjectFile::GetModuleSpecifications(file_spec, 0, 0, specs);
assert(num_specs <= 1 &&
"Symbol Vendor supports only a single architecture");
if (num_specs == 1) {
ModuleSpec mspec;
if (specs.GetModuleSpecAtIndex(0, mspec)) {
if (mspec.GetUUID() == module_uuid)
return file_spec;
}
}
}
}
}
}
return LocateExecutableSymbolFileDsym(module_spec);
}
static bool LocateDSYMInVincinityOfExecutable(const ModuleSpec &module_spec,
FileSpec &dsym_fspec) {
Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
const FileSpec *exec_fspec = module_spec.GetFileSpecPtr();
if (exec_fspec) {
char path[PATH_MAX];
if (exec_fspec->GetPath(path, sizeof(path))) {
// Make sure the module isn't already just a dSYM file...
if (strcasestr(path, ".dSYM/Contents/Resources/DWARF") == NULL) {
if (log) {
if (module_spec.GetUUIDPtr() && module_spec.GetUUIDPtr()->IsValid()) {
log->Printf(
"Searching for dSYM bundle next to executable %s, UUID %s",
path, module_spec.GetUUIDPtr()->GetAsString().c_str());
} else {
log->Printf("Searching for dSYM bundle next to executable %s",
path);
}
}
::strncat(path, ".dSYM/Contents/Resources/DWARF/",
sizeof(path) - strlen(path) - 1);
::strncat(path, exec_fspec->GetFilename().AsCString(),
sizeof(path) - strlen(path) - 1);
dsym_fspec.SetFile(path, false);
ModuleSpecList module_specs;
ModuleSpec matched_module_spec;
if (dsym_fspec.Exists() &&
FileAtPathContainsArchAndUUID(dsym_fspec,
module_spec.GetArchitecturePtr(),
module_spec.GetUUIDPtr())) {
if (log) {
log->Printf("dSYM with matching UUID & arch found at %s", path);
}
return true;
} else {
FileSpec parent_dirs = exec_fspec;
// Remove the binary name from the FileSpec
parent_dirs.RemoveLastPathComponent();
// Add a ".dSYM" name to each directory component of the path,
// stripping off components. e.g. we may have a binary like
// /S/L/F/Foundation.framework/Versions/A/Foundation
// and
// /S/L/F/Foundation.framework.dSYM
//
// so we'll need to start with /S/L/F/Foundation.framework/Versions/A,
// add the .dSYM part to the "A", and if that doesn't exist, strip off
// the "A" and try it again with "Versions", etc., until we find a
// dSYM bundle or we've stripped off enough path components that
// there's no need to continue.
for (int i = 0; i < 4; i++) {
// Does this part of the path have a "." character - could it be a
// bundle's top level directory?
const char *fn = parent_dirs.GetFilename().AsCString();
if (fn == nullptr)
break;
if (::strchr(fn, '.') != nullptr) {
dsym_fspec = parent_dirs;
dsym_fspec.RemoveLastPathComponent();
// If the current directory name is "Foundation.framework", see if
// "Foundation.framework.dSYM/Contents/Resources/DWARF/Foundation"
// exists & has the right uuid.
std::string dsym_fn = fn;
dsym_fn += ".dSYM";
dsym_fspec.AppendPathComponent(dsym_fn.c_str());
dsym_fspec.AppendPathComponent("Contents");
dsym_fspec.AppendPathComponent("Resources");
dsym_fspec.AppendPathComponent("DWARF");
dsym_fspec.AppendPathComponent(
exec_fspec->GetFilename().AsCString());
if (dsym_fspec.Exists() &&
FileAtPathContainsArchAndUUID(
dsym_fspec, module_spec.GetArchitecturePtr(),
module_spec.GetUUIDPtr())) {
if (log) {
log->Printf("dSYM with matching UUID & arch found at %s",
dsym_fspec.GetPath().c_str());
}
return true;
}
}
parent_dirs.RemoveLastPathComponent();
}
}
}
}
}
dsym_fspec.Clear();
return false;
}
