1776 lines
59 KiB
C++
1776 lines
59 KiB
C++
//===-- PlatformDarwin.cpp ------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "PlatformDarwin.h"
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#include <string.h>
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#include <algorithm>
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#include <memory>
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#include <mutex>
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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/Core/Section.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/XML.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Symbol/LocateSymbolFile.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/Log.h"
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#include "lldb/Utility/ProcessInfo.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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#include "llvm/Support/VersionTuple.h"
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#if defined(__APPLE__)
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#include <TargetConditionals.h>
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#endif
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using namespace lldb;
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using namespace lldb_private;
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/// Default Constructor
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PlatformDarwin::PlatformDarwin(bool is_host) : PlatformPOSIX(is_host) {}
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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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PlatformDarwin::~PlatformDarwin() {}
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lldb_private::Status
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PlatformDarwin::PutFile(const lldb_private::FileSpec &source,
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const lldb_private::FileSpec &destination, uint32_t uid,
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uint32_t gid) {
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// Unconditionally unlink the destination. If it is an executable,
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// simply opening it and truncating its contents would invalidate
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// its cached code signature.
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Unlink(destination);
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return PlatformPOSIX::PutFile(source, destination, uid, gid);
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}
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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. Ideally, we should have a per-platform list of
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// extensions (".exe", ".app", ".dSYM", ".framework") which should be
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// stripped while leaving "this.binary.file" as-is.
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FileSpec module_spec = module.GetFileSpec();
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if (module_spec) {
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if (SymbolFile *symfile = module.GetSymbolFile()) {
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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 &&
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strcasestr(symfile_spec.GetPath().c_str(),
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".dSYM/Contents/Resources/DWARF") != nullptr &&
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FileSystem::Instance().Exists(symfile_spec)) {
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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 have different sets of forbidden tokens in
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// filenames, and that should be dealt with by each
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// ScriptInterpreter. For now, we just replace dots with
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// underscores, but if we ever support anything other than
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// Python 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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ScriptInterpreter *script_interpreter =
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target->GetDebugger().GetScriptInterpreter();
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if (script_interpreter &&
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script_interpreter->IsReservedWord(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> let us go to
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// .dSYM/Contents/Resources/Python/<basename>.py and see if the
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// 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());
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FileSystem::Instance().Resolve(script_fspec);
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FileSpec orig_script_fspec(original_path_string.GetString());
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FileSystem::Instance().Resolve(orig_script_fspec);
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// if we did some replacements of reserved characters, and a
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// file with the untampered name exists, then warn the user
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// that the file as-is shall not be loaded
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if (feedback_stream) {
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if (module_basename != original_module_basename &&
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FileSystem::Instance().Exists(orig_script_fspec)) {
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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 (FileSystem::Instance().Exists(script_fspec))
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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(), path_string.GetData());
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}
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}
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if (FileSystem::Instance().Exists(script_fspec)) {
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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 stripping the
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// 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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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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sym_file = sym_spec.GetSymbolFileSpec();
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if (FileSystem::Instance().IsDirectory(sym_file)) {
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sym_file = Symbols::FindSymbolFileInBundle(sym_file, sym_spec.GetUUIDPtr(),
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sym_spec.GetArchitecturePtr());
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}
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return {};
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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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LLDB_LOGF(log,
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"[%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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if (IsHost()) {
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// When debugging on the host, we are most likely using the same shared
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// cache as our inferior. The dylibs from the shared cache might not
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// exist on the filesystem, so let's use the images in our own memory
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// to create the modules.
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// Check if the requested image is in our shared cache.
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SharedCacheImageInfo image_info =
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HostInfo::GetSharedCacheImageInfo(module_spec.GetFileSpec().GetPath());
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// If we found it and it has the correct UUID, let's proceed with
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// creating a module from the memory contents.
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if (image_info.uuid &&
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(!module_spec.GetUUID() || module_spec.GetUUID() == image_info.uuid)) {
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ModuleSpec shared_cache_spec(module_spec.GetFileSpec(), image_info.uuid,
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image_info.data_sp);
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err = ModuleList::GetSharedModule(shared_cache_spec, 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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if (module_sp)
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return err;
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}
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}
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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);
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// if rsync is supported, always bring in the file - rsync will be very
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// efficient when files are the same on the local and remote end of the
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// 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 (FileSystem::Instance().Exists(module_cache_spec)) {
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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LLDB_LOGF(log, "[%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 = std::make_shared<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 (FileSystem::Instance().Exists(module_cache_spec)) {
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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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LLDB_LOGF(log,
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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 = std::make_shared<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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LLDB_LOGF(log, "[%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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LLDB_LOGF(log, "[%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 (FileSystem::Instance().Exists(module_cache_spec)) {
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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LLDB_LOGF(log, "[%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 = std::make_shared<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 the shared
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// 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, nullptr, 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);
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if (FileSystem::Instance().Exists(new_file_spec)) {
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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, nullptr,
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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_32:
|
|
case llvm::Triple::aarch64: {
|
|
// 'brk #0' or 0xd4200000 in BE byte order
|
|
static const uint8_t g_arm64_breakpoint_opcode[] = {0x00, 0x00, 0x20, 0xD4};
|
|
trap_opcode = g_arm64_breakpoint_opcode;
|
|
trap_opcode_size = sizeof(g_arm64_breakpoint_opcode);
|
|
} break;
|
|
|
|
case llvm::Triple::thumb:
|
|
bp_is_thumb = true;
|
|
LLVM_FALLTHROUGH;
|
|
case llvm::Triple::arm: {
|
|
static const uint8_t g_arm_breakpoint_opcode[] = {0xFE, 0xDE, 0xFF, 0xE7};
|
|
static const uint8_t g_thumb_breakpooint_opcode[] = {0xFE, 0xDE};
|
|
|
|
// 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() ==
|
|
AddressClass::eCodeAlternateISA;
|
|
}
|
|
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();
|
|
return obj_type == ObjectFile::eTypeDynamicLinker;
|
|
}
|
|
|
|
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
|
|
|
|
#if TARGET_OS_OSX
|
|
if (IsHost()) {
|
|
if (idx == 0) {
|
|
arch.SetTriple("arm64e-apple-macosx");
|
|
return true;
|
|
} else if (idx == 1) {
|
|
arch.SetTriple("arm64-apple-macosx");
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
#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;
|
|
}
|
|
|
|
static FileSpec GetXcodeSelectPath() {
|
|
static FileSpec g_xcode_select_filespec;
|
|
|
|
if (!g_xcode_select_filespec) {
|
|
FileSpec xcode_select_cmd("/usr/bin/xcode-select");
|
|
if (FileSystem::Instance().Exists(xcode_select_cmd)) {
|
|
int exit_status = -1;
|
|
int signo = -1;
|
|
std::string command_output;
|
|
Status status =
|
|
Host::RunShellCommand("/usr/bin/xcode-select --print-path",
|
|
FileSpec(), // current working directory
|
|
&exit_status, &signo, &command_output,
|
|
std::chrono::seconds(2), // short timeout
|
|
false); // don't run in a shell
|
|
if (status.Success() && exit_status == 0 && !command_output.empty()) {
|
|
size_t first_non_newline = command_output.find_last_not_of("\r\n");
|
|
if (first_non_newline != std::string::npos) {
|
|
command_output.erase(first_non_newline + 1);
|
|
}
|
|
g_xcode_select_filespec = FileSpec(command_output);
|
|
}
|
|
}
|
|
}
|
|
|
|
return g_xcode_select_filespec;
|
|
}
|
|
|
|
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.EmplaceBack(bp_module);
|
|
}
|
|
|
|
bool internal = true;
|
|
bool hardware = false;
|
|
LazyBool skip_prologue = eLazyBoolNo;
|
|
bp_sp = target.CreateBreakpoint(&bp_modules, nullptr, 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 == nullptr)
|
|
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 FileSpec GetCommandLineToolsLibraryPath() {
|
|
static FileSpec g_command_line_tools_filespec;
|
|
|
|
if (!g_command_line_tools_filespec) {
|
|
FileSpec command_line_tools_path(GetXcodeSelectPath());
|
|
command_line_tools_path.AppendPathComponent("Library");
|
|
if (FileSystem::Instance().Exists(command_line_tools_path)) {
|
|
g_command_line_tools_filespec = command_line_tools_path;
|
|
}
|
|
}
|
|
|
|
return g_command_line_tools_filespec;
|
|
}
|
|
|
|
FileSystem::EnumerateDirectoryResult PlatformDarwin::DirectoryEnumerator(
|
|
void *baton, llvm::sys::fs::file_type file_type, llvm::StringRef path) {
|
|
SDKEnumeratorInfo *enumerator_info = static_cast<SDKEnumeratorInfo *>(baton);
|
|
|
|
FileSpec spec(path);
|
|
if (XcodeSDK::SDKSupportsModules(enumerator_info->sdk_type, spec)) {
|
|
enumerator_info->found_path = spec;
|
|
return FileSystem::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
|
|
}
|
|
|
|
return FileSystem::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
|
|
}
|
|
|
|
FileSpec PlatformDarwin::FindSDKInXcodeForModules(XcodeSDK::Type sdk_type,
|
|
const FileSpec &sdks_spec) {
|
|
// Look inside Xcode for the required installed iOS SDK version
|
|
|
|
if (!FileSystem::Instance().IsDirectory(sdks_spec)) {
|
|
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;
|
|
|
|
FileSystem::Instance().EnumerateDirectory(
|
|
sdks_spec.GetPath(), find_directories, find_files, find_other,
|
|
DirectoryEnumerator, &enumerator_info);
|
|
|
|
if (FileSystem::Instance().IsDirectory(enumerator_info.found_path))
|
|
return enumerator_info.found_path;
|
|
else
|
|
return FileSpec();
|
|
}
|
|
|
|
FileSpec PlatformDarwin::GetSDKDirectoryForModules(XcodeSDK::Type sdk_type) {
|
|
FileSpec sdks_spec = HostInfo::GetXcodeContentsDirectory();
|
|
sdks_spec.AppendPathComponent("Developer");
|
|
sdks_spec.AppendPathComponent("Platforms");
|
|
|
|
switch (sdk_type) {
|
|
case XcodeSDK::Type::MacOSX:
|
|
sdks_spec.AppendPathComponent("MacOSX.platform");
|
|
break;
|
|
case XcodeSDK::Type::iPhoneSimulator:
|
|
sdks_spec.AppendPathComponent("iPhoneSimulator.platform");
|
|
break;
|
|
case XcodeSDK::Type::iPhoneOS:
|
|
sdks_spec.AppendPathComponent("iPhoneOS.platform");
|
|
break;
|
|
default:
|
|
llvm_unreachable("unsupported sdk");
|
|
}
|
|
|
|
sdks_spec.AppendPathComponent("Developer");
|
|
sdks_spec.AppendPathComponent("SDKs");
|
|
|
|
if (sdk_type == XcodeSDK::Type::MacOSX) {
|
|
llvm::VersionTuple version = HostInfo::GetOSVersion();
|
|
|
|
if (!version.empty()) {
|
|
if (XcodeSDK::SDKSupportsModules(XcodeSDK::Type::MacOSX, version)) {
|
|
// If the Xcode SDKs are not available then try to use the
|
|
// Command Line Tools one which is only for MacOSX.
|
|
if (!FileSystem::Instance().Exists(sdks_spec)) {
|
|
sdks_spec = GetCommandLineToolsLibraryPath();
|
|
sdks_spec.AppendPathComponent("SDKs");
|
|
}
|
|
|
|
// 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", version.getMajor(),
|
|
version.getMinor().getValueOr(0));
|
|
native_sdk_spec.AppendPathComponent(native_sdk_name.GetString());
|
|
|
|
if (FileSystem::Instance().Exists(native_sdk_spec)) {
|
|
return native_sdk_spec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return FindSDKInXcodeForModules(sdk_type, sdks_spec);
|
|
}
|
|
|
|
std::tuple<llvm::VersionTuple, llvm::StringRef>
|
|
PlatformDarwin::ParseVersionBuildDir(llvm::StringRef dir) {
|
|
llvm::StringRef build;
|
|
llvm::StringRef version_str;
|
|
llvm::StringRef build_str;
|
|
std::tie(version_str, build_str) = dir.split(' ');
|
|
llvm::VersionTuple version;
|
|
if (!version.tryParse(version_str) ||
|
|
build_str.empty()) {
|
|
if (build_str.consume_front("(")) {
|
|
size_t pos = build_str.find(')');
|
|
build = build_str.slice(0, pos);
|
|
}
|
|
}
|
|
|
|
return std::make_tuple(version, build);
|
|
}
|
|
|
|
llvm::Expected<StructuredData::DictionarySP>
|
|
PlatformDarwin::FetchExtendedCrashInformation(Process &process) {
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
|
|
|
|
StructuredData::ArraySP annotations = ExtractCrashInfoAnnotations(process);
|
|
|
|
if (!annotations || !annotations->GetSize()) {
|
|
LLDB_LOG(log, "Couldn't extract crash information annotations");
|
|
return nullptr;
|
|
}
|
|
|
|
StructuredData::DictionarySP extended_crash_info =
|
|
std::make_shared<StructuredData::Dictionary>();
|
|
|
|
extended_crash_info->AddItem("crash-info annotations", annotations);
|
|
|
|
return extended_crash_info;
|
|
}
|
|
|
|
StructuredData::ArraySP
|
|
PlatformDarwin::ExtractCrashInfoAnnotations(Process &process) {
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
|
|
|
|
ConstString section_name("__crash_info");
|
|
Target &target = process.GetTarget();
|
|
StructuredData::ArraySP array_sp = std::make_shared<StructuredData::Array>();
|
|
|
|
for (ModuleSP module : target.GetImages().Modules()) {
|
|
SectionList *sections = module->GetSectionList();
|
|
|
|
std::string module_name = module->GetSpecificationDescription();
|
|
|
|
// The DYDL module is skipped since it's always loaded when running the
|
|
// binary.
|
|
if (module_name == "/usr/lib/dyld")
|
|
continue;
|
|
|
|
if (!sections) {
|
|
LLDB_LOG(log, "Module {0} doesn't have any section!", module_name);
|
|
continue;
|
|
}
|
|
|
|
SectionSP crash_info = sections->FindSectionByName(section_name);
|
|
if (!crash_info) {
|
|
LLDB_LOG(log, "Module {0} doesn't have section {1}!", module_name,
|
|
section_name);
|
|
continue;
|
|
}
|
|
|
|
addr_t load_addr = crash_info->GetLoadBaseAddress(&target);
|
|
|
|
if (load_addr == LLDB_INVALID_ADDRESS) {
|
|
LLDB_LOG(log, "Module {0} has an invalid '{1}' section load address: {2}",
|
|
module_name, section_name, load_addr);
|
|
continue;
|
|
}
|
|
|
|
Status error;
|
|
CrashInfoAnnotations annotations;
|
|
size_t expected_size = sizeof(CrashInfoAnnotations);
|
|
size_t bytes_read = process.ReadMemoryFromInferior(load_addr, &annotations,
|
|
expected_size, error);
|
|
|
|
if (expected_size != bytes_read || error.Fail()) {
|
|
LLDB_LOG(log, "Failed to read {0} section from memory in module {1}: {2}",
|
|
section_name, module_name, error);
|
|
continue;
|
|
}
|
|
|
|
// initial support added for version 5
|
|
if (annotations.version < 5) {
|
|
LLDB_LOG(log,
|
|
"Annotation version lower than 5 unsupported! Module {0} has "
|
|
"version {1} instead.",
|
|
module_name, annotations.version);
|
|
continue;
|
|
}
|
|
|
|
if (!annotations.message) {
|
|
LLDB_LOG(log, "No message available for module {0}.", module_name);
|
|
continue;
|
|
}
|
|
|
|
std::string message;
|
|
bytes_read =
|
|
process.ReadCStringFromMemory(annotations.message, message, error);
|
|
|
|
if (message.empty() || bytes_read != message.size() || error.Fail()) {
|
|
LLDB_LOG(log, "Failed to read the message from memory in module {0}: {1}",
|
|
module_name, error);
|
|
continue;
|
|
}
|
|
|
|
// Remove trailing newline from message
|
|
if (message.back() == '\n')
|
|
message.pop_back();
|
|
|
|
if (!annotations.message2)
|
|
LLDB_LOG(log, "No message2 available for module {0}.", module_name);
|
|
|
|
std::string message2;
|
|
bytes_read =
|
|
process.ReadCStringFromMemory(annotations.message2, message2, error);
|
|
|
|
if (!message2.empty() && bytes_read == message2.size() && error.Success())
|
|
if (message2.back() == '\n')
|
|
message2.pop_back();
|
|
|
|
StructuredData::DictionarySP entry_sp =
|
|
std::make_shared<StructuredData::Dictionary>();
|
|
|
|
entry_sp->AddStringItem("image", module->GetFileSpec().GetPath(false));
|
|
entry_sp->AddStringItem("uuid", module->GetUUID().GetAsString());
|
|
entry_sp->AddStringItem("message", message);
|
|
entry_sp->AddStringItem("message2", message2);
|
|
entry_sp->AddIntegerItem("abort-cause", annotations.abort_cause);
|
|
|
|
array_sp->AddItem(entry_sp);
|
|
}
|
|
|
|
return array_sp;
|
|
}
|
|
|
|
void PlatformDarwin::AddClangModuleCompilationOptionsForSDKType(
|
|
Target *target, std::vector<std::string> &options, XcodeSDK::Type sdk_type) {
|
|
const std::vector<std::string> apple_arguments = {
|
|
"-x", "objective-c++", "-fobjc-arc",
|
|
"-fblocks", "-D_ISO646_H", "-D__ISO646_H",
|
|
"-fgnuc-version=4.2.1"};
|
|
|
|
options.insert(options.end(), apple_arguments.begin(), apple_arguments.end());
|
|
|
|
StreamString minimum_version_option;
|
|
bool use_current_os_version = false;
|
|
switch (sdk_type) {
|
|
case XcodeSDK::Type::iPhoneOS:
|
|
#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
|
|
use_current_os_version = true;
|
|
#else
|
|
use_current_os_version = false;
|
|
#endif
|
|
break;
|
|
|
|
case XcodeSDK::Type::iPhoneSimulator:
|
|
use_current_os_version = false;
|
|
break;
|
|
|
|
case XcodeSDK::Type::MacOSX:
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
use_current_os_version = true;
|
|
#else
|
|
use_current_os_version = false;
|
|
#endif
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
llvm::VersionTuple version;
|
|
if (use_current_os_version)
|
|
version = GetOSVersion();
|
|
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)
|
|
version = object_file->GetMinimumOSVersion();
|
|
}
|
|
}
|
|
// Only add the version-min options if we got a version from somewhere
|
|
if (!version.empty()) {
|
|
switch (sdk_type) {
|
|
case XcodeSDK::Type::iPhoneOS:
|
|
minimum_version_option.PutCString("-mios-version-min=");
|
|
minimum_version_option.PutCString(version.getAsString());
|
|
break;
|
|
case XcodeSDK::Type::iPhoneSimulator:
|
|
minimum_version_option.PutCString("-mios-simulator-version-min=");
|
|
minimum_version_option.PutCString(version.getAsString());
|
|
break;
|
|
case XcodeSDK::Type::MacOSX:
|
|
minimum_version_option.PutCString("-mmacosx-version-min=");
|
|
minimum_version_option.PutCString(version.getAsString());
|
|
break;
|
|
default:
|
|
llvm_unreachable("unsupported sdk");
|
|
}
|
|
options.push_back(std::string(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 (FileSystem::Instance().IsDirectory(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());
|
|
}
|
|
|
|
llvm::VersionTuple PlatformDarwin::GetOSVersion(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();
|
|
|
|
llvm::VersionTuple result;
|
|
if (!result.tryParse(env.lookup("SIMULATOR_RUNTIME_VERSION")))
|
|
return result;
|
|
|
|
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)) {
|
|
if (!result.tryParse(product_version))
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
// 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 llvm::VersionTuple();
|
|
}
|
|
|
|
return Platform::GetOSVersion(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 = HostInfo::GetXcodeContentsDirectory();
|
|
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 (FileSystem::Instance().Exists(xcode_lldb_resources)) {
|
|
FileSpec dir;
|
|
dir.GetDirectory().SetCString(xcode_lldb_resources.GetPath().c_str());
|
|
g_executable_dirs.push_back(dir);
|
|
}
|
|
}
|
|
// Xcode might not be installed so we also check for the Command Line Tools.
|
|
FileSpec command_line_tools_dir = GetCommandLineToolsLibraryPath();
|
|
if (command_line_tools_dir) {
|
|
FileSpec cmd_line_lldb_resources = command_line_tools_dir;
|
|
cmd_line_lldb_resources.AppendPathComponent("PrivateFrameworks");
|
|
cmd_line_lldb_resources.AppendPathComponent("LLDB.framework");
|
|
cmd_line_lldb_resources.AppendPathComponent("Resources");
|
|
if (FileSystem::Instance().Exists(cmd_line_lldb_resources)) {
|
|
FileSpec dir;
|
|
dir.GetDirectory().SetCString(
|
|
cmd_line_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 (FileSystem::Instance().Exists(executable_file))
|
|
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_upart(platform_file);
|
|
std::vector<std::string> path_parts;
|
|
path_parts.push_back(
|
|
platform_pull_upart.GetLastPathComponent().AsCString());
|
|
while (platform_pull_upart.RemoveLastPathComponent()) {
|
|
ConstString part = platform_pull_upart.GetLastPathComponent();
|
|
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);
|
|
LLDB_LOGF(
|
|
log_verbose,
|
|
"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 (FileSystem::Instance().Exists(path_to_try)) {
|
|
ModuleSpec new_module_spec(module_spec);
|
|
new_module_spec.GetFileSpec() = path_to_try;
|
|
Status new_error(Platform::GetSharedModule(
|
|
new_module_spec, process, module_sp, nullptr, old_module_sp_ptr,
|
|
did_create_ptr));
|
|
|
|
if (module_sp) {
|
|
module_sp->SetPlatformFileSpec(path_to_try);
|
|
return new_error;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return Status();
|
|
}
|
|
|
|
std::string PlatformDarwin::FindComponentInPath(llvm::StringRef path,
|
|
llvm::StringRef component) {
|
|
auto begin = llvm::sys::path::begin(path);
|
|
auto end = llvm::sys::path::end(path);
|
|
for (auto it = begin; it != end; ++it) {
|
|
if (it->contains(component)) {
|
|
llvm::SmallString<128> buffer;
|
|
llvm::sys::path::append(buffer, begin, ++it,
|
|
llvm::sys::path::Style::posix);
|
|
return buffer.str().str();
|
|
}
|
|
}
|
|
return {};
|
|
}
|
|
|
|
FileSpec PlatformDarwin::GetCurrentToolchainDirectory() {
|
|
if (FileSpec fspec = HostInfo::GetShlibDir())
|
|
return FileSpec(FindComponentInPath(fspec.GetPath(), ".xctoolchain"));
|
|
return {};
|
|
}
|
|
|
|
FileSpec PlatformDarwin::GetCurrentCommandLineToolsDirectory() {
|
|
if (FileSpec fspec = HostInfo::GetShlibDir())
|
|
return FileSpec(FindComponentInPath(fspec.GetPath(), "CommandLineTools"));
|
|
return {};
|
|
}
|