blob: 372dd9de97578aa446037b446f9aa068ec87fa33 [file] [log] [blame]
//===-- PlatformAppleWatchSimulator.cpp -----------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "PlatformAppleWatchSimulator.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleList.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Target/Process.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/ProcessInfo.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
namespace lldb_private {
class Process;
}
// Static Variables
static uint32_t g_initialize_count = 0;
// Static Functions
void PlatformAppleWatchSimulator::Initialize() {
PlatformDarwin::Initialize();
if (g_initialize_count++ == 0) {
PluginManager::RegisterPlugin(
PlatformAppleWatchSimulator::GetPluginNameStatic(),
PlatformAppleWatchSimulator::GetDescriptionStatic(),
PlatformAppleWatchSimulator::CreateInstance);
}
}
void PlatformAppleWatchSimulator::Terminate() {
if (g_initialize_count > 0) {
if (--g_initialize_count == 0) {
PluginManager::UnregisterPlugin(
PlatformAppleWatchSimulator::CreateInstance);
}
}
PlatformDarwin::Terminate();
}
PlatformSP PlatformAppleWatchSimulator::CreateInstance(bool force,
const ArchSpec *arch) {
Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PLATFORM));
if (log) {
const char *arch_name;
if (arch && arch->GetArchitectureName())
arch_name = arch->GetArchitectureName();
else
arch_name = "<null>";
const char *triple_cstr =
arch ? arch->GetTriple().getTriple().c_str() : "<null>";
LLDB_LOGF(log, "PlatformAppleWatchSimulator::%s(force=%s, arch={%s,%s})",
__FUNCTION__, force ? "true" : "false", arch_name, triple_cstr);
}
bool create = force;
if (!create && arch && arch->IsValid()) {
switch (arch->GetMachine()) {
case llvm::Triple::x86_64:
case llvm::Triple::x86: {
const llvm::Triple &triple = arch->GetTriple();
switch (triple.getVendor()) {
case llvm::Triple::Apple:
create = true;
break;
#if defined(__APPLE__)
// Only accept "unknown" for the vendor if the host is Apple and it
// "unknown" wasn't specified (it was just returned because it was NOT
// specified)
case llvm::Triple::UnknownVendor:
create = !arch->TripleVendorWasSpecified();
break;
#endif
default:
break;
}
if (create) {
switch (triple.getOS()) {
case llvm::Triple::WatchOS:
break;
#if defined(__APPLE__)
// Only accept "unknown" for the OS if the host is Apple and it
// "unknown" wasn't specified (it was just returned because it was NOT
// specified)
case llvm::Triple::UnknownOS:
create = !arch->TripleOSWasSpecified();
break;
#endif
default:
create = false;
break;
}
}
} break;
default:
break;
}
}
if (create) {
LLDB_LOGF(log, "PlatformAppleWatchSimulator::%s() creating platform",
__FUNCTION__);
return PlatformSP(new PlatformAppleWatchSimulator());
}
LLDB_LOGF(log,
"PlatformAppleWatchSimulator::%s() aborting creation of platform",
__FUNCTION__);
return PlatformSP();
}
lldb_private::ConstString PlatformAppleWatchSimulator::GetPluginNameStatic() {
static ConstString g_name("watchos-simulator");
return g_name;
}
const char *PlatformAppleWatchSimulator::GetDescriptionStatic() {
return "Apple Watch simulator platform plug-in.";
}
/// Default Constructor
PlatformAppleWatchSimulator::PlatformAppleWatchSimulator()
: PlatformAppleSimulator(
CoreSimulatorSupport::DeviceType::ProductFamilyID::appleWatch) {}
/// Destructor.
///
/// The destructor is virtual since this class is designed to be
/// inherited from by the plug-in instance.
PlatformAppleWatchSimulator::~PlatformAppleWatchSimulator() {}
void PlatformAppleWatchSimulator::GetStatus(Stream &strm) {
Platform::GetStatus(strm);
llvm::StringRef sdk_directory = GetSDKDirectoryAsCString();
if (!sdk_directory.empty())
strm.Printf(" SDK Path: \"%s\"\n", sdk_directory.str().c_str());
else
strm.PutCString(" SDK Path: error: unable to locate SDK\n");
}
Status PlatformAppleWatchSimulator::ResolveExecutable(
const ModuleSpec &module_spec, lldb::ModuleSP &exe_module_sp,
const FileSpecList *module_search_paths_ptr) {
Status error;
// Nothing special to do here, just use the actual file and architecture
ModuleSpec resolved_module_spec(module_spec);
// If we have "ls" as the exe_file, resolve the executable loation based on
// the current path variables
// TODO: resolve bare executables in the Platform SDK
// if (!resolved_exe_file.Exists())
// resolved_exe_file.ResolveExecutableLocation ();
// Resolve any executable within a bundle on MacOSX
// TODO: verify that this handles shallow bundles, if not then implement one
// ourselves
Host::ResolveExecutableInBundle(resolved_module_spec.GetFileSpec());
if (FileSystem::Instance().Exists(resolved_module_spec.GetFileSpec())) {
if (resolved_module_spec.GetArchitecture().IsValid()) {
error = ModuleList::GetSharedModule(resolved_module_spec, exe_module_sp,
NULL, NULL, NULL);
if (exe_module_sp && exe_module_sp->GetObjectFile())
return error;
exe_module_sp.reset();
}
// No valid architecture was specified or the exact ARM slice wasn't found
// so ask the platform for the architectures that we should be using (in
// the correct order) and see if we can find a match that way
StreamString arch_names;
ArchSpec platform_arch;
for (uint32_t idx = 0; GetSupportedArchitectureAtIndex(
idx, resolved_module_spec.GetArchitecture());
++idx) {
// Only match x86 with x86 and x86_64 with x86_64...
if (!module_spec.GetArchitecture().IsValid() ||
module_spec.GetArchitecture().GetCore() ==
resolved_module_spec.GetArchitecture().GetCore()) {
error = ModuleList::GetSharedModule(resolved_module_spec, exe_module_sp,
NULL, NULL, NULL);
// Did we find an executable using one of the
if (error.Success()) {
if (exe_module_sp && exe_module_sp->GetObjectFile())
break;
else
error.SetErrorToGenericError();
}
if (idx > 0)
arch_names.PutCString(", ");
arch_names.PutCString(platform_arch.GetArchitectureName());
}
}
if (error.Fail() || !exe_module_sp) {
if (FileSystem::Instance().Readable(resolved_module_spec.GetFileSpec())) {
error.SetErrorStringWithFormat(
"'%s' doesn't contain any '%s' platform architectures: %s",
resolved_module_spec.GetFileSpec().GetPath().c_str(),
GetPluginName().GetCString(), arch_names.GetString().str().c_str());
} else {
error.SetErrorStringWithFormat(
"'%s' is not readable",
resolved_module_spec.GetFileSpec().GetPath().c_str());
}
}
} else {
error.SetErrorStringWithFormat("'%s' does not exist",
module_spec.GetFileSpec().GetPath().c_str());
}
return error;
}
llvm::StringRef PlatformAppleWatchSimulator::GetSDKDirectoryAsCString() {
llvm::StringRef sdk;
sdk = HostInfo::GetXcodeSDKPath(XcodeSDK("WatchSimulator.Internal.sdk"));
if (sdk.empty())
sdk = HostInfo::GetXcodeSDKPath(XcodeSDK("WatchSimulator.sdk"));
return sdk;
}
Status PlatformAppleWatchSimulator::GetSymbolFile(const FileSpec &platform_file,
const UUID *uuid_ptr,
FileSpec &local_file) {
Status error;
char platform_file_path[PATH_MAX];
if (platform_file.GetPath(platform_file_path, sizeof(platform_file_path))) {
char resolved_path[PATH_MAX];
llvm::StringRef sdk_dir = GetSDKDirectoryAsCString();
if (!sdk_dir.empty()) {
::snprintf(resolved_path, sizeof(resolved_path), "%s/%s",
sdk_dir.str().c_str(), platform_file_path);
// First try in the SDK and see if the file is in there
local_file.SetFile(resolved_path, FileSpec::Style::native);
FileSystem::Instance().Resolve(local_file);
if (FileSystem::Instance().Exists(local_file))
return error;
// Else fall back to the actual path itself
local_file.SetFile(platform_file_path, FileSpec::Style::native);
FileSystem::Instance().Resolve(local_file);
if (FileSystem::Instance().Exists(local_file))
return error;
}
error.SetErrorStringWithFormat(
"unable to locate a platform file for '%s' in platform '%s'",
platform_file_path, GetPluginName().GetCString());
} else {
error.SetErrorString("invalid platform file argument");
}
return error;
}
Status PlatformAppleWatchSimulator::GetSharedModule(
const ModuleSpec &module_spec, lldb_private::Process *process,
ModuleSP &module_sp, const FileSpecList *module_search_paths_ptr,
llvm::SmallVectorImpl<lldb::ModuleSP> *old_modules, bool *did_create_ptr) {
// For AppleWatch, the SDK files are all cached locally on the host system.
// So first we ask for the file in the cached SDK, then we attempt to get a
// shared module for the right architecture with the right UUID.
Status error;
ModuleSpec platform_module_spec(module_spec);
const FileSpec &platform_file = module_spec.GetFileSpec();
error = GetSymbolFile(platform_file, module_spec.GetUUIDPtr(),
platform_module_spec.GetFileSpec());
if (error.Success()) {
error = ResolveExecutable(platform_module_spec, module_sp,
module_search_paths_ptr);
} else {
const bool always_create = false;
error = ModuleList::GetSharedModule(module_spec, module_sp,
module_search_paths_ptr, old_modules,
did_create_ptr, always_create);
}
if (module_sp)
module_sp->SetPlatformFileSpec(platform_file);
return error;
}
uint32_t PlatformAppleWatchSimulator::FindProcesses(
const ProcessInstanceInfoMatch &match_info,
ProcessInstanceInfoList &process_infos) {
ProcessInstanceInfoList all_osx_process_infos;
// First we get all OSX processes
const uint32_t n = Host::FindProcesses(match_info, all_osx_process_infos);
// Now we filter them down to only the WatchOS triples
for (uint32_t i = 0; i < n; ++i) {
const ProcessInstanceInfo &proc_info = all_osx_process_infos[i];
if (proc_info.GetArchitecture().GetTriple().getOS() ==
llvm::Triple::WatchOS) {
process_infos.push_back(proc_info);
}
}
return process_infos.size();
}
bool PlatformAppleWatchSimulator::GetSupportedArchitectureAtIndex(
uint32_t idx, ArchSpec &arch) {
if (idx == 0) {
arch = HostInfo::GetArchitecture(HostInfo::eArchKind32);
if (arch.IsValid()) {
arch.GetTriple().setOS(llvm::Triple::WatchOS);
arch.GetTriple().setEnvironment(llvm::Triple::Simulator);
return true;
}
}
if (idx == 1) {
arch = HostInfo::GetArchitecture(HostInfo::eArchKind64);
if (arch.IsValid()) {
arch.GetTriple().setOS(llvm::Triple::WatchOS);
arch.GetTriple().setEnvironment(llvm::Triple::Simulator);
return true;
}
}
return false;
}