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;
}
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 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;
}
Status FileSystem::Readlink(const FileSpec &src, FileSpec &dst) {
Status error;
std::wstring wsrc;
if (!llvm::ConvertUTF8toWide(src.GetCString(), wsrc)) {
error.SetErrorString(PATH_CONVERSION_ERROR);
return error;
}
HANDLE h = ::CreateFileW(wsrc.c_str(), GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_FLAG_OPEN_REPARSE_POINT, NULL);
if (h == INVALID_HANDLE_VALUE) {
error.SetError(::GetLastError(), lldb::eErrorTypeWin32);
return error;
}
std::vector<wchar_t> buf(PATH_MAX + 1);
// Subtract 1 from the path length since this function does not add a null
// terminator.
DWORD result = ::GetFinalPathNameByHandleW(
h, buf.data(), buf.size() - 1, FILE_NAME_NORMALIZED | VOLUME_NAME_DOS);
std::string path;
if (result == 0)
error.SetError(::GetLastError(), lldb::eErrorTypeWin32);
else if (!llvm::convertWideToUTF8(buf.data(), path))
error.SetErrorString(PATH_CONVERSION_ERROR);
else
dst.SetFile(path, false);
::CloseHandle(h);
return error;
}
Error HostProcessPosix::GetMainModule(FileSpec &file_spec) const
{
Error error;
// Use special code here because proc/[pid]/exe is a symbolic link.
char link_path[PATH_MAX];
char exe_path[PATH_MAX] = "";
if (snprintf (link_path, PATH_MAX, "/proc/%" PRIu64 "/exe", m_pid) <= 0)
{
error.SetErrorString("Unable to build /proc/<pid>/exe string");
return error;
}
error = FileSystem::Readlink(link_path, exe_path, llvm::array_lengthof(exe_path));
if (!error.Success())
return error;
const ssize_t len = strlen(exe_path);
// If the binary has been deleted, the link name has " (deleted)" appended.
// Remove if there.
static const ssize_t deleted_len = strlen(" (deleted)");
if (len > deleted_len &&
!strcmp(exe_path + len - deleted_len, " (deleted)"))
{
exe_path[len - deleted_len] = 0;
}
file_spec.SetFile(exe_path, false);
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;
}
FileSpec
Host::GetProgramFileSpec ()
{
static FileSpec g_program_filespec;
if (!g_program_filespec)
{
#if defined (__APPLE__)
char program_fullpath[PATH_MAX];
// If DST is NULL, then return the number of bytes needed.
uint32_t len = sizeof(program_fullpath);
int err = _NSGetExecutablePath (program_fullpath, &len);
if (err == 0)
g_program_filespec.SetFile (program_fullpath, false);
else if (err == -1)
{
char *large_program_fullpath = (char *)::malloc (len + 1);
err = _NSGetExecutablePath (large_program_fullpath, &len);
if (err == 0)
g_program_filespec.SetFile (large_program_fullpath, false);
::free (large_program_fullpath);
}
#elif defined (__linux__)
char exe_path[PATH_MAX];
ssize_t len = readlink("/proc/self/exe", exe_path, sizeof(exe_path) - 1);
if (len > 0) {
exe_path[len] = 0;
g_program_filespec.SetFile(exe_path, false);
}
#elif defined (__FreeBSD__)
int exe_path_mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid() };
size_t exe_path_size;
if (sysctl(exe_path_mib, 4, NULL, &exe_path_size, NULL, 0) == 0)
{
char *exe_path = new char[exe_path_size];
if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)
g_program_filespec.SetFile(exe_path, false);
delete[] exe_path;
}
#endif
}
return g_program_filespec;
}
Error
File::GetFileSpec (FileSpec &file_spec) const
{
Error error;
#ifdef LLDB_CONFIG_FCNTL_GETPATH_SUPPORTED
if (IsValid ())
{
char path[PATH_MAX];
if (::fcntl(GetDescriptor(), F_GETPATH, path) == -1)
error.SetErrorToErrno();
else
file_spec.SetFile (path, false);
}
else
{
error.SetErrorString("invalid file handle");
}
#elif defined(__linux__)
char proc[64];
char path[PATH_MAX];
if (::snprintf(proc, sizeof(proc), "/proc/self/fd/%d", GetDescriptor()) < 0)
error.SetErrorString ("cannot resolve file descriptor");
else
{
ssize_t len;
if ((len = ::readlink(proc, path, sizeof(path) - 1)) == -1)
error.SetErrorToErrno();
else
{
path[len] = '\0';
file_spec.SetFile (path, false);
}
}
#else
error.SetErrorString ("File::GetFileSpec is not supported on this platform");
#endif
if (error.Fail())
file_spec.Clear();
return error;
}
FileSpec HostInfoFreeBSD::GetProgramFileSpec() {
static FileSpec g_program_filespec;
if (!g_program_filespec) {
int exe_path_mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid()};
size_t exe_path_size;
if (sysctl(exe_path_mib, 4, NULL, &exe_path_size, NULL, 0) == 0) {
char *exe_path = new char[exe_path_size];
if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)
g_program_filespec.SetFile(exe_path, false);
delete[] exe_path;
}
}
return g_program_filespec;
}
Error HostProcessWindows::GetMainModule(FileSpec &file_spec) const {
Error error;
if (m_process == nullptr)
error.SetError(ERROR_INVALID_HANDLE, lldb::eErrorTypeWin32);
std::vector<wchar_t> wpath(PATH_MAX);
if (::GetProcessImageFileNameW(m_process, wpath.data(), wpath.size())) {
std::string path;
if (llvm::convertWideToUTF8(wpath.data(), path))
file_spec.SetFile(path, false);
else
error.SetErrorString("Error converting path to UTF-8");
} else
error.SetError(::GetLastError(), lldb::eErrorTypeWin32);
return error;
}
FileSpec
HostInfoLinux::GetProgramFileSpec()
{
static FileSpec g_program_filespec;
if (!g_program_filespec)
{
char exe_path[PATH_MAX];
ssize_t len = readlink("/proc/self/exe", exe_path, sizeof(exe_path) - 1);
if (len > 0)
{
exe_path[len] = 0;
g_program_filespec.SetFile(exe_path, false);
}
}
return g_program_filespec;
}
bool
ObjectFile::SplitArchivePathWithObject (const char *path_with_object, FileSpec &archive_file, ConstString &archive_object)
{
RegularExpression g_object_regex("(.*)\\(([^\\)]+)\\)$");
if (g_object_regex.Execute (path_with_object, 2))
{
std::string path;
std::string obj;
if (g_object_regex.GetMatchAtIndex (path_with_object, 1, path) &&
g_object_regex.GetMatchAtIndex (path_with_object, 2, obj))
{
archive_file.SetFile (path.c_str(), false);
archive_object.SetCString(obj.c_str());
return true;
}
}
return false;
}
bool ObjectFile::SplitArchivePathWithObject(const char *path_with_object,
FileSpec &archive_file,
ConstString &archive_object,
bool must_exist) {
RegularExpression g_object_regex(llvm::StringRef("(.*)\\(([^\\)]+)\\)$"));
RegularExpression::Match regex_match(2);
if (g_object_regex.Execute(llvm::StringRef::withNullAsEmpty(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;
}
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;
}
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;
}
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();
}
