forked from OSchip/llvm-project
1828 lines
60 KiB
C++
1828 lines
60 KiB
C++
//===-- PlatformDarwin.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 "PlatformDarwin.h"
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// C Includes
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#include <string.h>
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// C++ Includes
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#include <algorithm>
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#include <mutex>
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// Other libraries and framework includes
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#include "clang/Basic/VersionTuple.h"
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// Project includes
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#include "lldb/Breakpoint/BreakpointLocation.h"
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#include "lldb/Breakpoint/BreakpointSite.h"
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#include "lldb/Core/Debugger.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/Host/Host.h"
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#include "lldb/Host/HostInfo.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/Interpreter/CommandInterpreter.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Symbol/SymbolFile.h"
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#include "lldb/Symbol/SymbolVendor.h"
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#include "lldb/Target/Platform.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/DataBufferLLVM.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/Status.h"
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#include "lldb/Utility/Timer.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Threading.h"
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#if defined(__APPLE__)
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#include <TargetConditionals.h> // for TARGET_OS_TV, TARGET_OS_WATCH
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#endif
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using namespace lldb;
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using namespace lldb_private;
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//------------------------------------------------------------------
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/// Default Constructor
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//------------------------------------------------------------------
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PlatformDarwin::PlatformDarwin(bool is_host)
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: PlatformPOSIX(is_host), // This is the local host platform
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m_developer_directory() {}
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//------------------------------------------------------------------
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/// Destructor.
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///
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/// The destructor is virtual since this class is designed to be
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/// inherited from by the plug-in instance.
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//------------------------------------------------------------------
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PlatformDarwin::~PlatformDarwin() {}
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FileSpecList PlatformDarwin::LocateExecutableScriptingResources(
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Target *target, Module &module, Stream *feedback_stream) {
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FileSpecList file_list;
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if (target &&
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target->GetDebugger().GetScriptLanguage() == eScriptLanguagePython) {
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// NB some extensions might be meaningful and should not be stripped -
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// "this.binary.file"
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// should not lose ".file" but GetFileNameStrippingExtension() will do
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// precisely that.
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// Ideally, we should have a per-platform list of extensions (".exe",
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// ".app", ".dSYM", ".framework")
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// which should be stripped while leaving "this.binary.file" as-is.
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ScriptInterpreter *script_interpreter =
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target->GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
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FileSpec module_spec = module.GetFileSpec();
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if (module_spec) {
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SymbolVendor *symbols = module.GetSymbolVendor();
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if (symbols) {
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SymbolFile *symfile = symbols->GetSymbolFile();
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if (symfile) {
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ObjectFile *objfile = symfile->GetObjectFile();
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if (objfile) {
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FileSpec symfile_spec(objfile->GetFileSpec());
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if (symfile_spec && symfile_spec.Exists()) {
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while (module_spec.GetFilename()) {
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std::string module_basename(
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module_spec.GetFilename().GetCString());
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std::string original_module_basename(module_basename);
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bool was_keyword = false;
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// FIXME: for Python, we cannot allow certain characters in
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// module
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// filenames we import. Theoretically, different scripting
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// languages may
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// have different sets of forbidden tokens in filenames, and
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// that should
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// be dealt with by each ScriptInterpreter. For now, we just
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// replace dots
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// with underscores, but if we ever support anything other than
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// Python
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// we will need to rework this
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std::replace(module_basename.begin(), module_basename.end(),
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'.', '_');
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std::replace(module_basename.begin(), module_basename.end(),
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' ', '_');
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std::replace(module_basename.begin(), module_basename.end(),
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'-', '_');
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if (script_interpreter &&
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script_interpreter->IsReservedWord(
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module_basename.c_str())) {
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module_basename.insert(module_basename.begin(), '_');
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was_keyword = true;
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}
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StreamString path_string;
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StreamString original_path_string;
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// for OSX we are going to be in
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// .dSYM/Contents/Resources/DWARF/<basename>
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// let us go to .dSYM/Contents/Resources/Python/<basename>.py
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// and see if the file exists
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path_string.Printf("%s/../Python/%s.py",
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symfile_spec.GetDirectory().GetCString(),
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module_basename.c_str());
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original_path_string.Printf(
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"%s/../Python/%s.py",
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symfile_spec.GetDirectory().GetCString(),
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original_module_basename.c_str());
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FileSpec script_fspec(path_string.GetString(), true);
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FileSpec orig_script_fspec(original_path_string.GetString(),
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true);
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// if we did some replacements of reserved characters, and a
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// file with the untampered name
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// exists, then warn the user that the file as-is shall not be
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// loaded
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if (feedback_stream) {
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if (module_basename != original_module_basename &&
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orig_script_fspec.Exists()) {
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const char *reason_for_complaint =
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was_keyword ? "conflicts with a keyword"
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: "contains reserved characters";
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if (script_fspec.Exists())
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feedback_stream->Printf(
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"warning: the symbol file '%s' contains a debug "
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"script. However, its name"
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" '%s' %s and as such cannot be loaded. LLDB will"
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" load '%s' instead. Consider removing the file with "
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"the malformed name to"
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" eliminate this warning.\n",
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symfile_spec.GetPath().c_str(),
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original_path_string.GetData(), reason_for_complaint,
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path_string.GetData());
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else
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feedback_stream->Printf(
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"warning: the symbol file '%s' contains a debug "
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"script. However, its name"
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" %s and as such cannot be loaded. If you intend"
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" to have this script loaded, please rename '%s' to "
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"'%s' and retry.\n",
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symfile_spec.GetPath().c_str(), reason_for_complaint,
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original_path_string.GetData(),
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path_string.GetData());
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}
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}
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if (script_fspec.Exists()) {
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file_list.Append(script_fspec);
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break;
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}
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// If we didn't find the python file, then keep
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// stripping the extensions and try again
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ConstString filename_no_extension(
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module_spec.GetFileNameStrippingExtension());
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if (module_spec.GetFilename() == filename_no_extension)
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break;
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module_spec.GetFilename() = filename_no_extension;
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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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return file_list;
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}
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Status PlatformDarwin::ResolveSymbolFile(Target &target,
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const ModuleSpec &sym_spec,
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FileSpec &sym_file) {
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Status error;
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sym_file = sym_spec.GetSymbolFileSpec();
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llvm::sys::fs::file_status st;
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if (status(sym_file.GetPath(), st, false)) {
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error.SetErrorString("Could not stat file!");
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return error;
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}
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if (exists(st)) {
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if (is_directory(st)) {
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sym_file = Symbols::FindSymbolFileInBundle(
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sym_file, sym_spec.GetUUIDPtr(), sym_spec.GetArchitecturePtr());
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}
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} else {
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if (sym_spec.GetUUID().IsValid()) {
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}
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}
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return error;
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}
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static lldb_private::Status
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MakeCacheFolderForFile(const FileSpec &module_cache_spec) {
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FileSpec module_cache_folder =
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module_cache_spec.CopyByRemovingLastPathComponent();
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return llvm::sys::fs::create_directory(module_cache_folder.GetPath());
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}
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static lldb_private::Status
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BringInRemoteFile(Platform *platform,
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const lldb_private::ModuleSpec &module_spec,
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const FileSpec &module_cache_spec) {
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MakeCacheFolderForFile(module_cache_spec);
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Status err = platform->GetFile(module_spec.GetFileSpec(), module_cache_spec);
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return err;
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}
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lldb_private::Status PlatformDarwin::GetSharedModuleWithLocalCache(
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const lldb_private::ModuleSpec &module_spec, lldb::ModuleSP &module_sp,
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const lldb_private::FileSpecList *module_search_paths_ptr,
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lldb::ModuleSP *old_module_sp_ptr, bool *did_create_ptr) {
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf("[%s] Trying to find module %s/%s - platform path %s/%s symbol "
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"path %s/%s",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString(),
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module_spec.GetPlatformFileSpec().GetDirectory().AsCString(),
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module_spec.GetPlatformFileSpec().GetFilename().AsCString(),
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module_spec.GetSymbolFileSpec().GetDirectory().AsCString(),
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module_spec.GetSymbolFileSpec().GetFilename().AsCString());
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Status err;
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err = ModuleList::GetSharedModule(module_spec, module_sp,
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module_search_paths_ptr, old_module_sp_ptr,
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did_create_ptr);
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if (module_sp)
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return err;
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if (!IsHost()) {
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std::string cache_path(GetLocalCacheDirectory());
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// Only search for a locally cached file if we have a valid cache path
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if (!cache_path.empty()) {
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std::string module_path(module_spec.GetFileSpec().GetPath());
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cache_path.append(module_path);
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FileSpec module_cache_spec(cache_path, false);
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// if rsync is supported, always bring in the file - rsync will be very
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// efficient
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// when files are the same on the local and remote end of the connection
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if (this->GetSupportsRSync()) {
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err = BringInRemoteFile(this, module_spec, module_cache_spec);
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if (err.Fail())
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return err;
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if (module_cache_spec.Exists()) {
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf("[%s] module %s/%s was rsynced and is now there",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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ModuleSpec local_spec(module_cache_spec,
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module_spec.GetArchitecture());
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module_sp.reset(new Module(local_spec));
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module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
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return Status();
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}
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}
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// try to find the module in the cache
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if (module_cache_spec.Exists()) {
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// get the local and remote MD5 and compare
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if (m_remote_platform_sp) {
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// when going over the *slow* GDB remote transfer mechanism we first
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// check the hashes of the files - and only do the actual transfer if
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// they differ
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uint64_t high_local, high_remote, low_local, low_remote;
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auto MD5 = llvm::sys::fs::md5_contents(module_cache_spec.GetPath());
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if (!MD5)
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return Status(MD5.getError());
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std::tie(high_local, low_local) = MD5->words();
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m_remote_platform_sp->CalculateMD5(module_spec.GetFileSpec(),
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low_remote, high_remote);
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if (low_local != low_remote || high_local != high_remote) {
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// bring in the remote file
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf(
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"[%s] module %s/%s needs to be replaced from remote copy",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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Status err =
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BringInRemoteFile(this, module_spec, module_cache_spec);
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if (err.Fail())
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return err;
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}
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}
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ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture());
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module_sp.reset(new Module(local_spec));
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module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf("[%s] module %s/%s was found in the cache",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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return Status();
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}
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// bring in the remote module file
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if (log)
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log->Printf("[%s] module %s/%s needs to come in remotely",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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Status err = BringInRemoteFile(this, module_spec, module_cache_spec);
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if (err.Fail())
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return err;
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if (module_cache_spec.Exists()) {
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf("[%s] module %s/%s is now cached and fine",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture());
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module_sp.reset(new Module(local_spec));
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module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
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return Status();
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} else
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return Status("unable to obtain valid module file");
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} else
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return Status("no cache path");
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} else
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return Status("unable to resolve module");
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}
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Status PlatformDarwin::GetSharedModule(
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const ModuleSpec &module_spec, Process *process, ModuleSP &module_sp,
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const FileSpecList *module_search_paths_ptr, ModuleSP *old_module_sp_ptr,
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bool *did_create_ptr) {
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Status error;
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module_sp.reset();
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if (IsRemote()) {
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// If we have a remote platform always, let it try and locate
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// the shared module first.
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if (m_remote_platform_sp) {
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error = m_remote_platform_sp->GetSharedModule(
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module_spec, process, module_sp, module_search_paths_ptr,
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old_module_sp_ptr, did_create_ptr);
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}
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}
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if (!module_sp) {
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// Fall back to the local platform and find the file locally
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error = Platform::GetSharedModule(module_spec, process, module_sp,
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module_search_paths_ptr,
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old_module_sp_ptr, did_create_ptr);
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const FileSpec &platform_file = module_spec.GetFileSpec();
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if (!module_sp && module_search_paths_ptr && platform_file) {
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// We can try to pull off part of the file path up to the bundle
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// directory level and try any module search paths...
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FileSpec bundle_directory;
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if (Host::GetBundleDirectory(platform_file, bundle_directory)) {
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if (platform_file == bundle_directory) {
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ModuleSpec new_module_spec(module_spec);
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new_module_spec.GetFileSpec() = bundle_directory;
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if (Host::ResolveExecutableInBundle(new_module_spec.GetFileSpec())) {
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Status new_error(Platform::GetSharedModule(
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new_module_spec, process, module_sp, NULL, old_module_sp_ptr,
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did_create_ptr));
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if (module_sp)
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return new_error;
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}
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} else {
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char platform_path[PATH_MAX];
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char bundle_dir[PATH_MAX];
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platform_file.GetPath(platform_path, sizeof(platform_path));
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const size_t bundle_directory_len =
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bundle_directory.GetPath(bundle_dir, sizeof(bundle_dir));
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char new_path[PATH_MAX];
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size_t num_module_search_paths = module_search_paths_ptr->GetSize();
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for (size_t i = 0; i < num_module_search_paths; ++i) {
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const size_t search_path_len =
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module_search_paths_ptr->GetFileSpecAtIndex(i).GetPath(
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new_path, sizeof(new_path));
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if (search_path_len < sizeof(new_path)) {
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snprintf(new_path + search_path_len,
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sizeof(new_path) - search_path_len, "/%s",
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platform_path + bundle_directory_len);
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FileSpec new_file_spec(new_path, false);
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if (new_file_spec.Exists()) {
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ModuleSpec new_module_spec(module_spec);
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new_module_spec.GetFileSpec() = new_file_spec;
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Status new_error(Platform::GetSharedModule(
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new_module_spec, process, module_sp, NULL,
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old_module_sp_ptr, did_create_ptr));
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if (module_sp) {
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module_sp->SetPlatformFileSpec(new_file_spec);
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return new_error;
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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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if (module_sp)
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module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
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return error;
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}
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size_t
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PlatformDarwin::GetSoftwareBreakpointTrapOpcode(Target &target,
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BreakpointSite *bp_site) {
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const uint8_t *trap_opcode = nullptr;
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uint32_t trap_opcode_size = 0;
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bool bp_is_thumb = false;
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llvm::Triple::ArchType machine = target.GetArchitecture().GetMachine();
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switch (machine) {
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case llvm::Triple::aarch64: {
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// TODO: fix this with actual darwin breakpoint opcode for arm64.
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// right now debugging uses the Z packets with GDB remote so this
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// is not needed, but the size needs to be correct...
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static const uint8_t g_arm64_breakpoint_opcode[] = {0xFE, 0xDE, 0xFF, 0xE7};
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trap_opcode = g_arm64_breakpoint_opcode;
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trap_opcode_size = sizeof(g_arm64_breakpoint_opcode);
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} break;
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case llvm::Triple::thumb:
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bp_is_thumb = true;
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LLVM_FALLTHROUGH;
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case llvm::Triple::arm: {
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static const uint8_t g_arm_breakpoint_opcode[] = {0xFE, 0xDE, 0xFF, 0xE7};
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static const uint8_t g_thumb_breakpooint_opcode[] = {0xFE, 0xDE};
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|
|
|
// Auto detect arm/thumb if it wasn't explicitly specified
|
|
if (!bp_is_thumb) {
|
|
lldb::BreakpointLocationSP bp_loc_sp(bp_site->GetOwnerAtIndex(0));
|
|
if (bp_loc_sp)
|
|
bp_is_thumb = bp_loc_sp->GetAddress().GetAddressClass() ==
|
|
eAddressClassCodeAlternateISA;
|
|
}
|
|
if (bp_is_thumb) {
|
|
trap_opcode = g_thumb_breakpooint_opcode;
|
|
trap_opcode_size = sizeof(g_thumb_breakpooint_opcode);
|
|
break;
|
|
}
|
|
trap_opcode = g_arm_breakpoint_opcode;
|
|
trap_opcode_size = sizeof(g_arm_breakpoint_opcode);
|
|
} break;
|
|
|
|
case llvm::Triple::ppc:
|
|
case llvm::Triple::ppc64: {
|
|
static const uint8_t g_ppc_breakpoint_opcode[] = {0x7F, 0xC0, 0x00, 0x08};
|
|
trap_opcode = g_ppc_breakpoint_opcode;
|
|
trap_opcode_size = sizeof(g_ppc_breakpoint_opcode);
|
|
} break;
|
|
|
|
default:
|
|
return Platform::GetSoftwareBreakpointTrapOpcode(target, bp_site);
|
|
}
|
|
|
|
if (trap_opcode && trap_opcode_size) {
|
|
if (bp_site->SetTrapOpcode(trap_opcode, trap_opcode_size))
|
|
return trap_opcode_size;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool PlatformDarwin::ModuleIsExcludedForUnconstrainedSearches(
|
|
lldb_private::Target &target, const lldb::ModuleSP &module_sp) {
|
|
if (!module_sp)
|
|
return false;
|
|
|
|
ObjectFile *obj_file = module_sp->GetObjectFile();
|
|
if (!obj_file)
|
|
return false;
|
|
|
|
ObjectFile::Type obj_type = obj_file->GetType();
|
|
if (obj_type == ObjectFile::eTypeDynamicLinker)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
bool PlatformDarwin::x86GetSupportedArchitectureAtIndex(uint32_t idx,
|
|
ArchSpec &arch) {
|
|
ArchSpec host_arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault);
|
|
if (host_arch.GetCore() == ArchSpec::eCore_x86_64_x86_64h) {
|
|
switch (idx) {
|
|
case 0:
|
|
arch = host_arch;
|
|
return true;
|
|
|
|
case 1:
|
|
arch.SetTriple("x86_64-apple-macosx");
|
|
return true;
|
|
|
|
case 2:
|
|
arch = HostInfo::GetArchitecture(HostInfo::eArchKind32);
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
} else {
|
|
if (idx == 0) {
|
|
arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault);
|
|
return arch.IsValid();
|
|
} else if (idx == 1) {
|
|
ArchSpec platform_arch(
|
|
HostInfo::GetArchitecture(HostInfo::eArchKindDefault));
|
|
ArchSpec platform_arch64(
|
|
HostInfo::GetArchitecture(HostInfo::eArchKind64));
|
|
if (platform_arch.IsExactMatch(platform_arch64)) {
|
|
// This macosx platform supports both 32 and 64 bit. Since we already
|
|
// returned the 64 bit arch for idx == 0, return the 32 bit arch
|
|
// for idx == 1
|
|
arch = HostInfo::GetArchitecture(HostInfo::eArchKind32);
|
|
return arch.IsValid();
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// The architecture selection rules for arm processors
|
|
// These cpu subtypes have distinct names (e.g. armv7f) but armv7 binaries run
|
|
// fine on an armv7f processor.
|
|
|
|
bool PlatformDarwin::ARMGetSupportedArchitectureAtIndex(uint32_t idx,
|
|
ArchSpec &arch) {
|
|
ArchSpec system_arch(GetSystemArchitecture());
|
|
|
|
// When lldb is running on a watch or tv, set the arch OS name appropriately.
|
|
#if defined(TARGET_OS_TV) && TARGET_OS_TV == 1
|
|
#define OSNAME "tvos"
|
|
#elif defined(TARGET_OS_WATCH) && TARGET_OS_WATCH == 1
|
|
#define OSNAME "watchos"
|
|
#elif defined(TARGET_OS_BRIDGE) && TARGET_OS_BRIDGE == 1
|
|
#define OSNAME "bridgeos"
|
|
#else
|
|
#define OSNAME "ios"
|
|
#endif
|
|
|
|
const ArchSpec::Core system_core = system_arch.GetCore();
|
|
switch (system_core) {
|
|
default:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("arm64-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv7-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv7f-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("armv7k-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("armv7s-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("armv7m-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("armv7em-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("armv6m-apple-" OSNAME);
|
|
return true;
|
|
case 8:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 9:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 10:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 11:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 12:
|
|
arch.SetTriple("thumbv7-apple-" OSNAME);
|
|
return true;
|
|
case 13:
|
|
arch.SetTriple("thumbv7f-apple-" OSNAME);
|
|
return true;
|
|
case 14:
|
|
arch.SetTriple("thumbv7k-apple-" OSNAME);
|
|
return true;
|
|
case 15:
|
|
arch.SetTriple("thumbv7s-apple-" OSNAME);
|
|
return true;
|
|
case 16:
|
|
arch.SetTriple("thumbv7m-apple-" OSNAME);
|
|
return true;
|
|
case 17:
|
|
arch.SetTriple("thumbv7em-apple-" OSNAME);
|
|
return true;
|
|
case 18:
|
|
arch.SetTriple("thumbv6m-apple-" OSNAME);
|
|
return true;
|
|
case 19:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 20:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 21:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 22:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_arm64:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("arm64-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv7s-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv7f-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("armv7m-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("armv7em-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("armv7-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("armv6m-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 8:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 9:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 10:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 11:
|
|
arch.SetTriple("thumbv7-apple-" OSNAME);
|
|
return true;
|
|
case 12:
|
|
arch.SetTriple("thumbv7f-apple-" OSNAME);
|
|
return true;
|
|
case 13:
|
|
arch.SetTriple("thumbv7k-apple-" OSNAME);
|
|
return true;
|
|
case 14:
|
|
arch.SetTriple("thumbv7s-apple-" OSNAME);
|
|
return true;
|
|
case 15:
|
|
arch.SetTriple("thumbv7m-apple-" OSNAME);
|
|
return true;
|
|
case 16:
|
|
arch.SetTriple("thumbv7em-apple-" OSNAME);
|
|
return true;
|
|
case 17:
|
|
arch.SetTriple("thumbv6m-apple-" OSNAME);
|
|
return true;
|
|
case 18:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 19:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 20:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 21:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7f:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv7f-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv7-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv6m-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("thumbv7f-apple-" OSNAME);
|
|
return true;
|
|
case 8:
|
|
arch.SetTriple("thumbv7-apple-" OSNAME);
|
|
return true;
|
|
case 9:
|
|
arch.SetTriple("thumbv6m-apple-" OSNAME);
|
|
return true;
|
|
case 10:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 11:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 12:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 13:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7k:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv7k-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv7-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv6m-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("thumbv7k-apple-" OSNAME);
|
|
return true;
|
|
case 8:
|
|
arch.SetTriple("thumbv7-apple-" OSNAME);
|
|
return true;
|
|
case 9:
|
|
arch.SetTriple("thumbv6m-apple-" OSNAME);
|
|
return true;
|
|
case 10:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 11:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 12:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 13:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7s:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv7s-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv7-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv6m-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("thumbv7s-apple-" OSNAME);
|
|
return true;
|
|
case 8:
|
|
arch.SetTriple("thumbv7-apple-" OSNAME);
|
|
return true;
|
|
case 9:
|
|
arch.SetTriple("thumbv6m-apple-" OSNAME);
|
|
return true;
|
|
case 10:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 11:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 12:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 13:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7m:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv7m-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv7-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv6m-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("thumbv7m-apple-" OSNAME);
|
|
return true;
|
|
case 8:
|
|
arch.SetTriple("thumbv7-apple-" OSNAME);
|
|
return true;
|
|
case 9:
|
|
arch.SetTriple("thumbv6m-apple-" OSNAME);
|
|
return true;
|
|
case 10:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 11:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 12:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 13:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7em:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv7em-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv7-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv6m-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("thumbv7em-apple-" OSNAME);
|
|
return true;
|
|
case 8:
|
|
arch.SetTriple("thumbv7-apple-" OSNAME);
|
|
return true;
|
|
case 9:
|
|
arch.SetTriple("thumbv6m-apple-" OSNAME);
|
|
return true;
|
|
case 10:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 11:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 12:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 13:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv7-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv6m-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("thumbv7-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("thumbv6m-apple-" OSNAME);
|
|
return true;
|
|
case 8:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 9:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 10:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 11:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv6m:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv6m-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("thumbv6m-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 8:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 9:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv6:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv6-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("thumbv6-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 6:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 7:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv5:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv5-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("thumbv5-apple-" OSNAME);
|
|
return true;
|
|
case 4:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 5:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv4:
|
|
switch (idx) {
|
|
case 0:
|
|
arch.SetTriple("armv4-apple-" OSNAME);
|
|
return true;
|
|
case 1:
|
|
arch.SetTriple("arm-apple-" OSNAME);
|
|
return true;
|
|
case 2:
|
|
arch.SetTriple("thumbv4t-apple-" OSNAME);
|
|
return true;
|
|
case 3:
|
|
arch.SetTriple("thumb-apple-" OSNAME);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
arch.Clear();
|
|
return false;
|
|
}
|
|
|
|
// Return a directory path like /Applications/Xcode.app/Contents/Developer
|
|
const char *PlatformDarwin::GetDeveloperDirectory() {
|
|
std::lock_guard<std::mutex> guard(m_mutex);
|
|
if (m_developer_directory.empty()) {
|
|
bool developer_dir_path_valid = false;
|
|
char developer_dir_path[PATH_MAX];
|
|
FileSpec temp_file_spec;
|
|
|
|
// Get the lldb framework's file path, and if it exists, truncate some
|
|
// components to only the developer directory path.
|
|
if (HostInfo::GetLLDBPath(ePathTypeLLDBShlibDir, temp_file_spec)) {
|
|
if (temp_file_spec.GetPath(developer_dir_path,
|
|
sizeof(developer_dir_path))) {
|
|
// e.g. /Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework
|
|
char *shared_frameworks =
|
|
strstr(developer_dir_path, "/SharedFrameworks/LLDB.framework");
|
|
if (shared_frameworks) {
|
|
shared_frameworks[0] = '\0'; // truncate developer_dir_path at this point
|
|
strncat (developer_dir_path, "/Developer", sizeof (developer_dir_path) - 1); // add /Developer on
|
|
developer_dir_path_valid = true;
|
|
} else {
|
|
// e.g. /Applications/Xcode.app/Contents/Developer/Toolchains/iOS11.2.xctoolchain/System/Library/PrivateFrameworks/LLDB.framework
|
|
char *developer_toolchains =
|
|
strstr(developer_dir_path, "/Contents/Developer/Toolchains/");
|
|
if (developer_toolchains) {
|
|
developer_toolchains += sizeof ("/Contents/Developer") - 1;
|
|
developer_toolchains[0] = '\0'; // truncate developer_dir_path at this point
|
|
developer_dir_path_valid = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!developer_dir_path_valid) {
|
|
std::string xcode_dir_path;
|
|
const char *xcode_select_prefix_dir = getenv("XCODE_SELECT_PREFIX_DIR");
|
|
if (xcode_select_prefix_dir)
|
|
xcode_dir_path.append(xcode_select_prefix_dir);
|
|
xcode_dir_path.append("/usr/share/xcode-select/xcode_dir_path");
|
|
temp_file_spec.SetFile(xcode_dir_path, false);
|
|
auto dir_buffer =
|
|
DataBufferLLVM::CreateFromPath(temp_file_spec.GetPath());
|
|
if (dir_buffer && dir_buffer->GetByteSize() > 0) {
|
|
llvm::StringRef path_ref(dir_buffer->GetChars());
|
|
// Trim tailing newlines and make sure there is enough room for a null
|
|
// terminator.
|
|
path_ref =
|
|
path_ref.rtrim("\r\n").take_front(sizeof(developer_dir_path) - 1);
|
|
::memcpy(developer_dir_path, path_ref.data(), path_ref.size());
|
|
developer_dir_path[path_ref.size()] = '\0';
|
|
developer_dir_path_valid = true;
|
|
}
|
|
}
|
|
|
|
if (!developer_dir_path_valid) {
|
|
FileSpec xcode_select_cmd("/usr/bin/xcode-select", false);
|
|
if (xcode_select_cmd.Exists()) {
|
|
int exit_status = -1;
|
|
int signo = -1;
|
|
std::string command_output;
|
|
Status error =
|
|
Host::RunShellCommand("/usr/bin/xcode-select --print-path",
|
|
NULL, // current working directory
|
|
&exit_status, &signo, &command_output,
|
|
2, // short timeout
|
|
false); // don't run in a shell
|
|
if (error.Success() && exit_status == 0 && !command_output.empty()) {
|
|
const char *cmd_output_ptr = command_output.c_str();
|
|
developer_dir_path[sizeof(developer_dir_path) - 1] = '\0';
|
|
size_t i;
|
|
for (i = 0; i < sizeof(developer_dir_path) - 1; i++) {
|
|
if (cmd_output_ptr[i] == '\r' || cmd_output_ptr[i] == '\n' ||
|
|
cmd_output_ptr[i] == '\0')
|
|
break;
|
|
developer_dir_path[i] = cmd_output_ptr[i];
|
|
}
|
|
developer_dir_path[i] = '\0';
|
|
|
|
FileSpec devel_dir(developer_dir_path, false);
|
|
if (llvm::sys::fs::is_directory(devel_dir.GetPath())) {
|
|
developer_dir_path_valid = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (developer_dir_path_valid) {
|
|
temp_file_spec.SetFile(developer_dir_path, false);
|
|
if (temp_file_spec.Exists()) {
|
|
m_developer_directory.assign(developer_dir_path);
|
|
return m_developer_directory.c_str();
|
|
}
|
|
}
|
|
// Assign a single NULL character so we know we tried to find the device
|
|
// support directory and we don't keep trying to find it over and over.
|
|
m_developer_directory.assign(1, '\0');
|
|
}
|
|
|
|
// We should have put a single NULL character into m_developer_directory
|
|
// or it should have a valid path if the code gets here
|
|
assert(m_developer_directory.empty() == false);
|
|
if (m_developer_directory[0])
|
|
return m_developer_directory.c_str();
|
|
return NULL;
|
|
}
|
|
|
|
BreakpointSP PlatformDarwin::SetThreadCreationBreakpoint(Target &target) {
|
|
BreakpointSP bp_sp;
|
|
static const char *g_bp_names[] = {
|
|
"start_wqthread", "_pthread_wqthread", "_pthread_start",
|
|
};
|
|
|
|
static const char *g_bp_modules[] = {"libsystem_c.dylib",
|
|
"libSystem.B.dylib"};
|
|
|
|
FileSpecList bp_modules;
|
|
for (size_t i = 0; i < llvm::array_lengthof(g_bp_modules); i++) {
|
|
const char *bp_module = g_bp_modules[i];
|
|
bp_modules.Append(FileSpec(bp_module, false));
|
|
}
|
|
|
|
bool internal = true;
|
|
bool hardware = false;
|
|
LazyBool skip_prologue = eLazyBoolNo;
|
|
bp_sp = target.CreateBreakpoint(&bp_modules, NULL, g_bp_names,
|
|
llvm::array_lengthof(g_bp_names),
|
|
eFunctionNameTypeFull, eLanguageTypeUnknown,
|
|
0, skip_prologue, internal, hardware);
|
|
bp_sp->SetBreakpointKind("thread-creation");
|
|
|
|
return bp_sp;
|
|
}
|
|
|
|
int32_t
|
|
PlatformDarwin::GetResumeCountForLaunchInfo(ProcessLaunchInfo &launch_info) {
|
|
const FileSpec &shell = launch_info.GetShell();
|
|
if (!shell)
|
|
return 1;
|
|
|
|
std::string shell_string = shell.GetPath();
|
|
const char *shell_name = strrchr(shell_string.c_str(), '/');
|
|
if (shell_name == NULL)
|
|
shell_name = shell_string.c_str();
|
|
else
|
|
shell_name++;
|
|
|
|
if (strcmp(shell_name, "sh") == 0) {
|
|
// /bin/sh re-exec's itself as /bin/bash requiring another resume.
|
|
// But it only does this if the COMMAND_MODE environment variable
|
|
// is set to "legacy".
|
|
if (launch_info.GetEnvironment().lookup("COMMAND_MODE") == "legacy")
|
|
return 2;
|
|
return 1;
|
|
} else if (strcmp(shell_name, "csh") == 0 ||
|
|
strcmp(shell_name, "tcsh") == 0 ||
|
|
strcmp(shell_name, "zsh") == 0) {
|
|
// csh and tcsh always seem to re-exec themselves.
|
|
return 2;
|
|
} else
|
|
return 1;
|
|
}
|
|
|
|
void PlatformDarwin::CalculateTrapHandlerSymbolNames() {
|
|
m_trap_handlers.push_back(ConstString("_sigtramp"));
|
|
}
|
|
|
|
static const char *const sdk_strings[] = {
|
|
"MacOSX", "iPhoneSimulator", "iPhoneOS",
|
|
};
|
|
|
|
static FileSpec CheckPathForXcode(const FileSpec &fspec) {
|
|
if (fspec.Exists()) {
|
|
const char substr[] = ".app/Contents/";
|
|
|
|
std::string path_to_shlib = fspec.GetPath();
|
|
size_t pos = path_to_shlib.rfind(substr);
|
|
if (pos != std::string::npos) {
|
|
path_to_shlib.erase(pos + strlen(substr));
|
|
FileSpec ret(path_to_shlib, false);
|
|
|
|
FileSpec xcode_binary_path = ret;
|
|
xcode_binary_path.AppendPathComponent("MacOS");
|
|
xcode_binary_path.AppendPathComponent("Xcode");
|
|
|
|
if (xcode_binary_path.Exists()) {
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
return FileSpec();
|
|
}
|
|
|
|
static FileSpec GetXcodeContentsPath() {
|
|
static FileSpec g_xcode_filespec;
|
|
static llvm::once_flag g_once_flag;
|
|
llvm::call_once(g_once_flag, []() {
|
|
|
|
FileSpec fspec;
|
|
|
|
// First get the program file spec. If lldb.so or LLDB.framework is running
|
|
// in a program and that program is Xcode, the path returned with be the
|
|
// path
|
|
// to Xcode.app/Contents/MacOS/Xcode, so this will be the correct Xcode to
|
|
// use.
|
|
fspec = HostInfo::GetProgramFileSpec();
|
|
|
|
if (fspec) {
|
|
// Ignore the current binary if it is python.
|
|
std::string basename_lower = fspec.GetFilename().GetCString();
|
|
std::transform(basename_lower.begin(), basename_lower.end(),
|
|
basename_lower.begin(), tolower);
|
|
if (basename_lower != "python") {
|
|
g_xcode_filespec = CheckPathForXcode(fspec);
|
|
}
|
|
}
|
|
|
|
// Next check DEVELOPER_DIR environment variable
|
|
if (!g_xcode_filespec) {
|
|
const char *developer_dir_env_var = getenv("DEVELOPER_DIR");
|
|
if (developer_dir_env_var && developer_dir_env_var[0]) {
|
|
g_xcode_filespec =
|
|
CheckPathForXcode(FileSpec(developer_dir_env_var, true));
|
|
}
|
|
|
|
// Fall back to using "xcrun" to find the selected Xcode
|
|
if (!g_xcode_filespec) {
|
|
int status = 0;
|
|
int signo = 0;
|
|
std::string output;
|
|
const char *command = "/usr/bin/xcode-select -p";
|
|
lldb_private::Status error = Host::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);
|
|
}
|
|
output.append("/..");
|
|
|
|
g_xcode_filespec = CheckPathForXcode(FileSpec(output, false));
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
return g_xcode_filespec;
|
|
}
|
|
|
|
bool PlatformDarwin::SDKSupportsModules(SDKType sdk_type, uint32_t major,
|
|
uint32_t minor, uint32_t micro) {
|
|
switch (sdk_type) {
|
|
case SDKType::MacOSX:
|
|
if (major > 10 || (major == 10 && minor >= 10))
|
|
return true;
|
|
break;
|
|
case SDKType::iPhoneOS:
|
|
case SDKType::iPhoneSimulator:
|
|
if (major >= 8)
|
|
return true;
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool PlatformDarwin::SDKSupportsModules(SDKType desired_type,
|
|
const FileSpec &sdk_path) {
|
|
ConstString last_path_component = sdk_path.GetLastPathComponent();
|
|
|
|
if (last_path_component) {
|
|
const llvm::StringRef sdk_name = last_path_component.GetStringRef();
|
|
|
|
llvm::StringRef version_part;
|
|
|
|
if (sdk_name.startswith(sdk_strings[(int)desired_type])) {
|
|
version_part =
|
|
sdk_name.drop_front(strlen(sdk_strings[(int)desired_type]));
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
const size_t major_dot_offset = version_part.find('.');
|
|
if (major_dot_offset == llvm::StringRef::npos)
|
|
return false;
|
|
|
|
const llvm::StringRef major_version =
|
|
version_part.slice(0, major_dot_offset);
|
|
const llvm::StringRef minor_part =
|
|
version_part.drop_front(major_dot_offset + 1);
|
|
|
|
const size_t minor_dot_offset = minor_part.find('.');
|
|
if (minor_dot_offset == llvm::StringRef::npos)
|
|
return false;
|
|
|
|
const llvm::StringRef minor_version = minor_part.slice(0, minor_dot_offset);
|
|
|
|
unsigned int major = 0;
|
|
unsigned int minor = 0;
|
|
unsigned int micro = 0;
|
|
|
|
if (major_version.getAsInteger(10, major))
|
|
return false;
|
|
|
|
if (minor_version.getAsInteger(10, minor))
|
|
return false;
|
|
|
|
return SDKSupportsModules(desired_type, major, minor, micro);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
FileSpec::EnumerateDirectoryResult PlatformDarwin::DirectoryEnumerator(
|
|
void *baton, llvm::sys::fs::file_type file_type, const FileSpec &spec) {
|
|
SDKEnumeratorInfo *enumerator_info = static_cast<SDKEnumeratorInfo *>(baton);
|
|
|
|
if (SDKSupportsModules(enumerator_info->sdk_type, spec)) {
|
|
enumerator_info->found_path = spec;
|
|
return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
|
|
}
|
|
|
|
return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
|
|
}
|
|
|
|
FileSpec PlatformDarwin::FindSDKInXcodeForModules(SDKType sdk_type,
|
|
const FileSpec &sdks_spec) {
|
|
// Look inside Xcode for the required installed iOS SDK version
|
|
|
|
if (!llvm::sys::fs::is_directory(sdks_spec.GetPath())) {
|
|
return FileSpec();
|
|
}
|
|
|
|
const bool find_directories = true;
|
|
const bool find_files = false;
|
|
const bool find_other = true; // include symlinks
|
|
|
|
SDKEnumeratorInfo enumerator_info;
|
|
|
|
enumerator_info.sdk_type = sdk_type;
|
|
|
|
FileSpec::EnumerateDirectory(sdks_spec.GetPath(), find_directories,
|
|
find_files, find_other, DirectoryEnumerator,
|
|
&enumerator_info);
|
|
|
|
if (llvm::sys::fs::is_directory(enumerator_info.found_path.GetPath()))
|
|
return enumerator_info.found_path;
|
|
else
|
|
return FileSpec();
|
|
}
|
|
|
|
FileSpec PlatformDarwin::GetSDKDirectoryForModules(SDKType sdk_type) {
|
|
switch (sdk_type) {
|
|
case SDKType::MacOSX:
|
|
case SDKType::iPhoneSimulator:
|
|
case SDKType::iPhoneOS:
|
|
break;
|
|
}
|
|
|
|
FileSpec sdks_spec = GetXcodeContentsPath();
|
|
sdks_spec.AppendPathComponent("Developer");
|
|
sdks_spec.AppendPathComponent("Platforms");
|
|
|
|
switch (sdk_type) {
|
|
case SDKType::MacOSX:
|
|
sdks_spec.AppendPathComponent("MacOSX.platform");
|
|
break;
|
|
case SDKType::iPhoneSimulator:
|
|
sdks_spec.AppendPathComponent("iPhoneSimulator.platform");
|
|
break;
|
|
case SDKType::iPhoneOS:
|
|
sdks_spec.AppendPathComponent("iPhoneOS.platform");
|
|
break;
|
|
}
|
|
|
|
sdks_spec.AppendPathComponent("Developer");
|
|
sdks_spec.AppendPathComponent("SDKs");
|
|
|
|
if (sdk_type == SDKType::MacOSX) {
|
|
uint32_t major = 0;
|
|
uint32_t minor = 0;
|
|
uint32_t micro = 0;
|
|
|
|
if (HostInfo::GetOSVersion(major, minor, micro)) {
|
|
if (SDKSupportsModules(SDKType::MacOSX, major, minor, micro)) {
|
|
// We slightly prefer the exact SDK for this machine. See if it is
|
|
// there.
|
|
|
|
FileSpec native_sdk_spec = sdks_spec;
|
|
StreamString native_sdk_name;
|
|
native_sdk_name.Printf("MacOSX%u.%u.sdk", major, minor);
|
|
native_sdk_spec.AppendPathComponent(native_sdk_name.GetString());
|
|
|
|
if (native_sdk_spec.Exists()) {
|
|
return native_sdk_spec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return FindSDKInXcodeForModules(sdk_type, sdks_spec);
|
|
}
|
|
|
|
std::tuple<uint32_t, uint32_t, uint32_t, llvm::StringRef>
|
|
PlatformDarwin::ParseVersionBuildDir(llvm::StringRef dir) {
|
|
uint32_t major, minor, update;
|
|
llvm::StringRef build;
|
|
llvm::StringRef version_str;
|
|
llvm::StringRef build_str;
|
|
std::tie(version_str, build_str) = dir.split(' ');
|
|
if (Args::StringToVersion(version_str, major, minor, update) ||
|
|
build_str.empty()) {
|
|
if (build_str.consume_front("(")) {
|
|
size_t pos = build_str.find(')');
|
|
build = build_str.slice(0, pos);
|
|
}
|
|
}
|
|
|
|
return std::make_tuple(major, minor, update, build);
|
|
}
|
|
|
|
void PlatformDarwin::AddClangModuleCompilationOptionsForSDKType(
|
|
Target *target, std::vector<std::string> &options, SDKType sdk_type) {
|
|
const std::vector<std::string> apple_arguments = {
|
|
"-x", "objective-c++", "-fobjc-arc",
|
|
"-fblocks", "-D_ISO646_H", "-D__ISO646_H"};
|
|
|
|
options.insert(options.end(), apple_arguments.begin(), apple_arguments.end());
|
|
|
|
StreamString minimum_version_option;
|
|
uint32_t versions[3] = {0, 0, 0};
|
|
bool use_current_os_version = false;
|
|
switch (sdk_type) {
|
|
case SDKType::iPhoneOS:
|
|
#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
|
|
use_current_os_version = true;
|
|
#else
|
|
use_current_os_version = false;
|
|
#endif
|
|
break;
|
|
|
|
case SDKType::iPhoneSimulator:
|
|
use_current_os_version = false;
|
|
break;
|
|
|
|
case SDKType::MacOSX:
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
use_current_os_version = true;
|
|
#else
|
|
use_current_os_version = false;
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
bool versions_valid = false;
|
|
if (use_current_os_version)
|
|
versions_valid = GetOSVersion(versions[0], versions[1], versions[2]);
|
|
else if (target) {
|
|
// Our OS doesn't match our executable so we need to get the min OS version
|
|
// from the object file
|
|
ModuleSP exe_module_sp = target->GetExecutableModule();
|
|
if (exe_module_sp) {
|
|
ObjectFile *object_file = exe_module_sp->GetObjectFile();
|
|
if (object_file)
|
|
versions_valid = object_file->GetMinimumOSVersion(versions, 3) > 0;
|
|
}
|
|
}
|
|
// Only add the version-min options if we got a version from somewhere
|
|
if (versions_valid && versions[0] != UINT32_MAX) {
|
|
// Make any invalid versions be zero if needed
|
|
if (versions[1] == UINT32_MAX)
|
|
versions[1] = 0;
|
|
if (versions[2] == UINT32_MAX)
|
|
versions[2] = 0;
|
|
|
|
switch (sdk_type) {
|
|
case SDKType::iPhoneOS:
|
|
minimum_version_option.PutCString("-mios-version-min=");
|
|
minimum_version_option.PutCString(
|
|
clang::VersionTuple(versions[0], versions[1], versions[2])
|
|
.getAsString());
|
|
break;
|
|
case SDKType::iPhoneSimulator:
|
|
minimum_version_option.PutCString("-mios-simulator-version-min=");
|
|
minimum_version_option.PutCString(
|
|
clang::VersionTuple(versions[0], versions[1], versions[2])
|
|
.getAsString());
|
|
break;
|
|
case SDKType::MacOSX:
|
|
minimum_version_option.PutCString("-mmacosx-version-min=");
|
|
minimum_version_option.PutCString(
|
|
clang::VersionTuple(versions[0], versions[1], versions[2])
|
|
.getAsString());
|
|
}
|
|
options.push_back(minimum_version_option.GetString());
|
|
}
|
|
|
|
FileSpec sysroot_spec;
|
|
// Scope for mutex locker below
|
|
{
|
|
std::lock_guard<std::mutex> guard(m_mutex);
|
|
sysroot_spec = GetSDKDirectoryForModules(sdk_type);
|
|
}
|
|
|
|
if (llvm::sys::fs::is_directory(sysroot_spec.GetPath())) {
|
|
options.push_back("-isysroot");
|
|
options.push_back(sysroot_spec.GetPath());
|
|
}
|
|
}
|
|
|
|
ConstString PlatformDarwin::GetFullNameForDylib(ConstString basename) {
|
|
if (basename.IsEmpty())
|
|
return basename;
|
|
|
|
StreamString stream;
|
|
stream.Printf("lib%s.dylib", basename.GetCString());
|
|
return ConstString(stream.GetString());
|
|
}
|
|
|
|
bool PlatformDarwin::GetOSVersion(uint32_t &major, uint32_t &minor,
|
|
uint32_t &update, Process *process) {
|
|
if (process && strstr(GetPluginName().GetCString(), "-simulator")) {
|
|
lldb_private::ProcessInstanceInfo proc_info;
|
|
if (Host::GetProcessInfo(process->GetID(), proc_info)) {
|
|
const Environment &env = proc_info.GetEnvironment();
|
|
|
|
if (Args::StringToVersion(env.lookup("SIMULATOR_RUNTIME_VERSION"), major,
|
|
minor, update))
|
|
return true;
|
|
|
|
std::string dyld_root_path = env.lookup("DYLD_ROOT_PATH");
|
|
if (!dyld_root_path.empty()) {
|
|
dyld_root_path += "/System/Library/CoreServices/SystemVersion.plist";
|
|
ApplePropertyList system_version_plist(dyld_root_path.c_str());
|
|
std::string product_version;
|
|
if (system_version_plist.GetValueAsString("ProductVersion",
|
|
product_version)) {
|
|
return Args::StringToVersion(product_version, major, minor, update);
|
|
}
|
|
}
|
|
}
|
|
// For simulator platforms, do NOT call back through
|
|
// Platform::GetOSVersion()
|
|
// as it might call Process::GetHostOSVersion() which we don't want as it
|
|
// will be
|
|
// incorrect
|
|
return false;
|
|
}
|
|
|
|
return Platform::GetOSVersion(major, minor, update, process);
|
|
}
|
|
|
|
lldb_private::FileSpec PlatformDarwin::LocateExecutable(const char *basename) {
|
|
// A collection of SBFileSpec whose SBFileSpec.m_directory members are filled
|
|
// in with
|
|
// any executable directories that should be searched.
|
|
static std::vector<FileSpec> g_executable_dirs;
|
|
|
|
// Find the global list of directories that we will search for
|
|
// executables once so we don't keep doing the work over and over.
|
|
static llvm::once_flag g_once_flag;
|
|
llvm::call_once(g_once_flag, []() {
|
|
|
|
// When locating executables, trust the DEVELOPER_DIR first if it is set
|
|
FileSpec xcode_contents_dir = GetXcodeContentsPath();
|
|
if (xcode_contents_dir) {
|
|
FileSpec xcode_lldb_resources = xcode_contents_dir;
|
|
xcode_lldb_resources.AppendPathComponent("SharedFrameworks");
|
|
xcode_lldb_resources.AppendPathComponent("LLDB.framework");
|
|
xcode_lldb_resources.AppendPathComponent("Resources");
|
|
if (xcode_lldb_resources.Exists()) {
|
|
FileSpec dir;
|
|
dir.GetDirectory().SetCString(xcode_lldb_resources.GetPath().c_str());
|
|
g_executable_dirs.push_back(dir);
|
|
}
|
|
}
|
|
});
|
|
|
|
// Now search the global list of executable directories for the executable we
|
|
// are looking for
|
|
for (const auto &executable_dir : g_executable_dirs) {
|
|
FileSpec executable_file;
|
|
executable_file.GetDirectory() = executable_dir.GetDirectory();
|
|
executable_file.GetFilename().SetCString(basename);
|
|
if (executable_file.Exists())
|
|
return executable_file;
|
|
}
|
|
|
|
return FileSpec();
|
|
}
|
|
|
|
lldb_private::Status
|
|
PlatformDarwin::LaunchProcess(lldb_private::ProcessLaunchInfo &launch_info) {
|
|
// Starting in Fall 2016 OSes, NSLog messages only get mirrored to stderr
|
|
// if the OS_ACTIVITY_DT_MODE environment variable is set. (It doesn't
|
|
// require any specific value; rather, it just needs to exist).
|
|
// We will set it here as long as the IDE_DISABLED_OS_ACTIVITY_DT_MODE flag
|
|
// is not set. Xcode makes use of IDE_DISABLED_OS_ACTIVITY_DT_MODE to tell
|
|
// LLDB *not* to muck with the OS_ACTIVITY_DT_MODE flag when they
|
|
// specifically want it unset.
|
|
const char *disable_env_var = "IDE_DISABLED_OS_ACTIVITY_DT_MODE";
|
|
auto &env_vars = launch_info.GetEnvironment();
|
|
if (!env_vars.count(disable_env_var)) {
|
|
// We want to make sure that OS_ACTIVITY_DT_MODE is set so that
|
|
// we get os_log and NSLog messages mirrored to the target process
|
|
// stderr.
|
|
env_vars.try_emplace("OS_ACTIVITY_DT_MODE", "enable");
|
|
}
|
|
|
|
// Let our parent class do the real launching.
|
|
return PlatformPOSIX::LaunchProcess(launch_info);
|
|
}
|
|
|
|
lldb_private::Status
|
|
PlatformDarwin::FindBundleBinaryInExecSearchPaths (const ModuleSpec &module_spec, Process *process,
|
|
ModuleSP &module_sp,
|
|
const FileSpecList *module_search_paths_ptr,
|
|
ModuleSP *old_module_sp_ptr, bool *did_create_ptr)
|
|
{
|
|
const FileSpec &platform_file = module_spec.GetFileSpec();
|
|
// See if the file is present in any of the module_search_paths_ptr directories.
|
|
if (!module_sp && module_search_paths_ptr && platform_file) {
|
|
// create a vector of all the file / directory names in platform_file
|
|
// e.g. this might be
|
|
// /System/Library/PrivateFrameworks/UIFoundation.framework/UIFoundation
|
|
//
|
|
// We'll need to look in the module_search_paths_ptr directories for
|
|
// both "UIFoundation" and "UIFoundation.framework" -- most likely the
|
|
// latter will be the one we find there.
|
|
|
|
FileSpec platform_pull_apart(platform_file);
|
|
std::vector<std::string> path_parts;
|
|
ConstString unix_root_dir("/");
|
|
while (true) {
|
|
ConstString part = platform_pull_apart.GetLastPathComponent();
|
|
platform_pull_apart.RemoveLastPathComponent();
|
|
if (part.IsEmpty() || part == unix_root_dir)
|
|
break;
|
|
path_parts.push_back(part.AsCString());
|
|
}
|
|
const size_t path_parts_size = path_parts.size();
|
|
|
|
size_t num_module_search_paths = module_search_paths_ptr->GetSize();
|
|
for (size_t i = 0; i < num_module_search_paths; ++i) {
|
|
Log *log_verbose = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
|
|
if (log_verbose)
|
|
log_verbose->Printf ("PlatformRemoteDarwinDevice::GetSharedModule searching for binary in search-path %s", module_search_paths_ptr->GetFileSpecAtIndex(i).GetPath().c_str());
|
|
// Create a new FileSpec with this module_search_paths_ptr
|
|
// plus just the filename ("UIFoundation"), then the parent
|
|
// dir plus filename ("UIFoundation.framework/UIFoundation")
|
|
// etc - up to four names (to handle "Foo.framework/Contents/MacOS/Foo")
|
|
|
|
for (size_t j = 0; j < 4 && j < path_parts_size - 1; ++j) {
|
|
FileSpec path_to_try(module_search_paths_ptr->GetFileSpecAtIndex(i));
|
|
|
|
// Add the components backwards. For
|
|
// .../PrivateFrameworks/UIFoundation.framework/UIFoundation
|
|
// path_parts is
|
|
// [0] UIFoundation
|
|
// [1] UIFoundation.framework
|
|
// [2] PrivateFrameworks
|
|
//
|
|
// and if 'j' is 2, we want to append path_parts[1] and then
|
|
// path_parts[0], aka
|
|
// 'UIFoundation.framework/UIFoundation', to the module_search_paths_ptr
|
|
// path.
|
|
|
|
for (int k = j; k >= 0; --k) {
|
|
path_to_try.AppendPathComponent(path_parts[k]);
|
|
}
|
|
|
|
if (path_to_try.Exists()) {
|
|
ModuleSpec new_module_spec(module_spec);
|
|
new_module_spec.GetFileSpec() = path_to_try;
|
|
Status new_error(Platform::GetSharedModule(
|
|
new_module_spec, process, module_sp, NULL, old_module_sp_ptr,
|
|
did_create_ptr));
|
|
|
|
if (module_sp) {
|
|
module_sp->SetPlatformFileSpec(path_to_try);
|
|
return new_error;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return Status();
|
|
}
|