Error
TargetList::CreateTarget (Debugger &debugger,
const FileSpec& file,
const char *triple_cstr,
bool get_dependent_files,
const OptionGroupPlatform *platform_options,
TargetSP &target_sp)
{
Error error;
PlatformSP platform_sp;
// This is purposely left empty unless it is specified by triple_cstr.
// If not initialized via triple_cstr, then the currently selected platform
// will set the architecture correctly.
const ArchSpec arch(triple_cstr);
if (triple_cstr && triple_cstr[0])
{
if (!arch.IsValid())
{
error.SetErrorStringWithFormat("invalid triple '%s'", triple_cstr);
return error;
}
}
ArchSpec platform_arch(arch);
CommandInterpreter &interpreter = debugger.GetCommandInterpreter();
if (platform_options)
{
if (platform_options->PlatformWasSpecified ())
{
const bool select_platform = true;
platform_sp = platform_options->CreatePlatformWithOptions (interpreter,
arch,
select_platform,
error,
platform_arch);
if (!platform_sp)
return error;
}
}
if (!platform_sp)
{
// Get the current platform and make sure it is compatible with the
// current architecture if we have a valid architecture.
platform_sp = debugger.GetPlatformList().GetSelectedPlatform ();
if (arch.IsValid() && !platform_sp->IsCompatibleArchitecture(arch, &platform_arch))
{
platform_sp = Platform::GetPlatformForArchitecture(arch, &platform_arch);
}
}
if (!platform_arch.IsValid())
platform_arch = arch;
error = TargetList::CreateTarget (debugger,
file,
platform_arch,
get_dependent_files,
platform_sp,
target_sp);
if (target_sp)
{
if (file.GetDirectory())
{
FileSpec file_dir;
file_dir.GetDirectory() = file.GetDirectory();
target_sp->GetExecutableSearchPaths ().Append (file_dir);
}
}
return error;
}
Error
TargetList::CreateTargetInternal (Debugger &debugger,
const char *user_exe_path,
const char *triple_cstr,
bool get_dependent_files,
const OptionGroupPlatform *platform_options,
TargetSP &target_sp,
bool is_dummy_target)
{
Error error;
PlatformSP platform_sp;
// This is purposely left empty unless it is specified by triple_cstr.
// If not initialized via triple_cstr, then the currently selected platform
// will set the architecture correctly.
const ArchSpec arch(triple_cstr);
if (triple_cstr && triple_cstr[0])
{
if (!arch.IsValid())
{
error.SetErrorStringWithFormat("invalid triple '%s'", triple_cstr);
return error;
}
}
ArchSpec platform_arch(arch);
bool prefer_platform_arch = false;
CommandInterpreter &interpreter = debugger.GetCommandInterpreter();
// let's see if there is already an existing plaform before we go creating another...
platform_sp = debugger.GetPlatformList().GetSelectedPlatform();
if (platform_options && platform_options->PlatformWasSpecified ())
{
// Create a new platform if it doesn't match the selected platform
if (!platform_options->PlatformMatches(platform_sp))
{
const bool select_platform = true;
platform_sp = platform_options->CreatePlatformWithOptions (interpreter,
arch,
select_platform,
error,
platform_arch);
if (!platform_sp)
return error;
}
}
if (user_exe_path && user_exe_path[0])
{
ModuleSpecList module_specs;
ModuleSpec module_spec;
module_spec.GetFileSpec().SetFile(user_exe_path, true);
// Resolve the executable in case we are given a path to a application bundle
// like a .app bundle on MacOSX
Host::ResolveExecutableInBundle (module_spec.GetFileSpec());
lldb::offset_t file_offset = 0;
lldb::offset_t file_size = 0;
const size_t num_specs = ObjectFile::GetModuleSpecifications (module_spec.GetFileSpec(), file_offset, file_size, module_specs);
if (num_specs > 0)
{
ModuleSpec matching_module_spec;
if (num_specs == 1)
{
if (module_specs.GetModuleSpecAtIndex(0, matching_module_spec))
{
if (platform_arch.IsValid())
{
if (platform_arch.IsCompatibleMatch(matching_module_spec.GetArchitecture()))
{
// If the OS or vendor weren't specified, then adopt the module's
// architecture so that the platform matching can be more accurate
if (!platform_arch.TripleOSWasSpecified() || !platform_arch.TripleVendorWasSpecified())
{
prefer_platform_arch = true;
platform_arch = matching_module_spec.GetArchitecture();
}
}
else
{
StreamString platform_arch_strm;
StreamString module_arch_strm;
platform_arch.DumpTriple(platform_arch_strm);
matching_module_spec.GetArchitecture().DumpTriple(module_arch_strm);
error.SetErrorStringWithFormat("the specified architecture '%s' is not compatible with '%s' in '%s'",
platform_arch_strm.GetString().c_str(),
module_arch_strm.GetString().c_str(),
module_spec.GetFileSpec().GetPath().c_str());
return error;
}
}
else
{
// Only one arch and none was specified
prefer_platform_arch = true;
platform_arch = matching_module_spec.GetArchitecture();
}
}
}
else
{
if (arch.IsValid())
{
module_spec.GetArchitecture() = arch;
if (module_specs.FindMatchingModuleSpec(module_spec, matching_module_spec))
{
prefer_platform_arch = true;
platform_arch = matching_module_spec.GetArchitecture();
}
}
else
{
// No architecture specified, check if there is only one platform for
// all of the architectures.
typedef std::vector<PlatformSP> PlatformList;
PlatformList platforms;
PlatformSP host_platform_sp = Platform::GetHostPlatform();
for (size_t i=0; i<num_specs; ++i)
{
ModuleSpec module_spec;
if (module_specs.GetModuleSpecAtIndex(i, module_spec))
{
// See if there was a selected platform and check that first
// since the user may have specified it.
if (platform_sp)
{
if (platform_sp->IsCompatibleArchitecture(module_spec.GetArchitecture(), false, NULL))
{
platforms.push_back(platform_sp);
continue;
}
}
// Next check the host platform it if wasn't already checked above
if (host_platform_sp && (!platform_sp || host_platform_sp->GetName() != platform_sp->GetName()))
{
if (host_platform_sp->IsCompatibleArchitecture(module_spec.GetArchitecture(), false, NULL))
{
platforms.push_back(host_platform_sp);
continue;
}
}
// Just find a platform that matches the architecture in the executable file
PlatformSP fallback_platform_sp (Platform::GetPlatformForArchitecture(module_spec.GetArchitecture(), nullptr));
if (fallback_platform_sp)
{
platforms.push_back(fallback_platform_sp);
}
}
}
Platform *platform_ptr = NULL;
bool more_than_one_platforms = false;
for (const auto &the_platform_sp : platforms)
{
if (platform_ptr)
{
if (platform_ptr->GetName() != the_platform_sp->GetName())
{
more_than_one_platforms = true;
platform_ptr = NULL;
break;
}
}
else
{
platform_ptr = the_platform_sp.get();
}
}
if (platform_ptr)
{
// All platforms for all modules in the exectuable match, so we can select this platform
platform_sp = platforms.front();
}
else if (more_than_one_platforms == false)
{
// No platforms claim to support this file
error.SetErrorString ("No matching platforms found for this file, specify one with the --platform option");
return error;
}
else
{
// More than one platform claims to support this file, so the --platform option must be specified
StreamString error_strm;
std::set<Platform *> platform_set;
error_strm.Printf ("more than one platform supports this executable (");
for (const auto &the_platform_sp : platforms)
{
if (platform_set.find(the_platform_sp.get()) == platform_set.end())
{
if (!platform_set.empty())
error_strm.PutCString(", ");
error_strm.PutCString(the_platform_sp->GetName().GetCString());
platform_set.insert(the_platform_sp.get());
}
}
error_strm.Printf("), use the --platform option to specify a platform");
error.SetErrorString(error_strm.GetString().c_str());
return error;
}
}
}
}
}
// If we have a valid architecture, make sure the current platform is
// compatible with that architecture
if (!prefer_platform_arch && arch.IsValid())
{
if (!platform_sp->IsCompatibleArchitecture(arch, false, &platform_arch))
{
platform_sp = Platform::GetPlatformForArchitecture(arch, &platform_arch);
if (!is_dummy_target && platform_sp)
debugger.GetPlatformList().SetSelectedPlatform(platform_sp);
}
}
else if (platform_arch.IsValid())
{
// if "arch" isn't valid, yet "platform_arch" is, it means we have an executable file with
// a single architecture which should be used
ArchSpec fixed_platform_arch;
if (!platform_sp->IsCompatibleArchitecture(platform_arch, false, &fixed_platform_arch))
{
platform_sp = Platform::GetPlatformForArchitecture(platform_arch, &fixed_platform_arch);
if (!is_dummy_target && platform_sp)
debugger.GetPlatformList().SetSelectedPlatform(platform_sp);
}
}
if (!platform_arch.IsValid())
platform_arch = arch;
error = TargetList::CreateTargetInternal (debugger,
user_exe_path,
platform_arch,
get_dependent_files,
platform_sp,
target_sp,
is_dummy_target);
return error;
}
Error
TargetList::CreateTarget (Debugger &debugger,
const char *user_exe_path,
const char *triple_cstr,
bool get_dependent_files,
const OptionGroupPlatform *platform_options,
TargetSP &target_sp)
{
Error error;
PlatformSP platform_sp;
// This is purposely left empty unless it is specified by triple_cstr.
// If not initialized via triple_cstr, then the currently selected platform
// will set the architecture correctly.
const ArchSpec arch(triple_cstr);
if (triple_cstr && triple_cstr[0])
{
if (!arch.IsValid())
{
error.SetErrorStringWithFormat("invalid triple '%s'", triple_cstr);
return error;
}
}
ArchSpec platform_arch(arch);
bool prefer_platform_arch = false;
if (user_exe_path && user_exe_path[0])
{
ModuleSpecList module_specs;
ModuleSpec module_spec;
module_spec.GetFileSpec().SetFile(user_exe_path, true);
// Resolve the executable in case we are given a path to a application bundle
// like a .app bundle on MacOSX
Host::ResolveExecutableInBundle (module_spec.GetFileSpec());
lldb::offset_t file_offset = 0;
lldb::offset_t file_size = 0;
const size_t num_specs = ObjectFile::GetModuleSpecifications (module_spec.GetFileSpec(), file_offset, file_size, module_specs);
if (num_specs > 0)
{
ModuleSpec matching_module_spec;
if (num_specs == 1)
{
if (module_specs.GetModuleSpecAtIndex(0, matching_module_spec))
{
if (platform_arch.IsValid())
{
if (platform_arch.IsCompatibleMatch(matching_module_spec.GetArchitecture()))
{
// If the OS or vendor weren't specified, then adopt the module's
// architecture so that the platform matching can be more accurate
if (!platform_arch.TripleOSWasSpecified() || !platform_arch.TripleVendorWasSpecified())
{
prefer_platform_arch = true;
platform_arch = matching_module_spec.GetArchitecture();
}
}
else
{
error.SetErrorStringWithFormat("the specified architecture '%s' is not compatible with '%s' in '%s'",
platform_arch.GetTriple().str().c_str(),
matching_module_spec.GetArchitecture().GetTriple().str().c_str(),
module_spec.GetFileSpec().GetPath().c_str());
return error;
}
}
else
{
// Only one arch and none was specified
prefer_platform_arch = true;
platform_arch = matching_module_spec.GetArchitecture();
}
}
}
else
{
if (arch.IsValid())
{
module_spec.GetArchitecture() = arch;
if (module_specs.FindMatchingModuleSpec(module_spec, matching_module_spec))
{
prefer_platform_arch = true;
platform_arch = matching_module_spec.GetArchitecture();
}
}
}
}
}
CommandInterpreter &interpreter = debugger.GetCommandInterpreter();
if (platform_options)
{
if (platform_options->PlatformWasSpecified ())
{
const bool select_platform = true;
platform_sp = platform_options->CreatePlatformWithOptions (interpreter,
arch,
select_platform,
error,
platform_arch);
if (!platform_sp)
return error;
}
}
if (!platform_sp)
{
// Get the current platform and make sure it is compatible with the
// current architecture if we have a valid architecture.
platform_sp = debugger.GetPlatformList().GetSelectedPlatform ();
if (!prefer_platform_arch && arch.IsValid())
{
if (!platform_sp->IsCompatibleArchitecture(arch, false, &platform_arch))
platform_sp = Platform::GetPlatformForArchitecture(arch, &platform_arch);
}
else if (platform_arch.IsValid())
{
// if "arch" isn't valid, yet "platform_arch" is, it means we have an executable file with
// a single architecture which should be used
ArchSpec fixed_platform_arch;
if (!platform_sp->IsCompatibleArchitecture(platform_arch, false, &fixed_platform_arch))
platform_sp = Platform::GetPlatformForArchitecture(platform_arch, &fixed_platform_arch);
}
}
if (!platform_arch.IsValid())
platform_arch = arch;
error = TargetList::CreateTarget (debugger,
user_exe_path,
platform_arch,
get_dependent_files,
platform_sp,
target_sp);
return error;
}