blob: 31928c4011919c28e2237c7fc5feff7cb3702608 [file] [log] [blame]
//===-- PlatformKalimba.cpp ---------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/lldb-python.h"
#include "PlatformKalimba.h"
#include "lldb/Host/Config.h"
// C Includes
#include <stdio.h>
#ifndef LLDB_DISABLE_POSIX
#include <sys/utsname.h>
#endif
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Error.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleList.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Host/FileSpec.h"
#include "lldb/Host/Host.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Process.h"
using namespace lldb;
using namespace lldb_private;
static uint32_t g_initialize_count = 0;
Platform *
PlatformKalimba::CreateInstance (bool force, const ArchSpec *arch)
{
bool create = force;
if (create == false && arch && arch->IsValid())
{
const llvm::Triple &triple = arch->GetTriple();
switch (triple.getVendor())
{
case llvm::Triple::CSR:
create = true;
break;
default:
break;
}
}
if (create)
return new PlatformKalimba(false);
return NULL;
}
lldb_private::ConstString
PlatformKalimba::GetPluginNameStatic (bool /*is_host*/)
{
static ConstString g_remote_name("kalimba");
return g_remote_name;
}
const char *
PlatformKalimba::GetPluginDescriptionStatic (bool /*is_host*/)
{
return "Kalimba user platform plug-in.";
}
lldb_private::ConstString
PlatformKalimba::GetPluginName()
{
return GetPluginNameStatic(false);
}
void
PlatformKalimba::Initialize ()
{
if (g_initialize_count++ == 0)
{
PluginManager::RegisterPlugin(PlatformKalimba::GetPluginNameStatic(false),
PlatformKalimba::GetPluginDescriptionStatic(false),
PlatformKalimba::CreateInstance);
}
}
void
PlatformKalimba::Terminate ()
{
if (g_initialize_count > 0)
{
if (--g_initialize_count == 0)
{
PluginManager::UnregisterPlugin (PlatformKalimba::CreateInstance);
}
}
}
Error
PlatformKalimba::ResolveExecutable (const FileSpec &exe_file,
const ArchSpec &exe_arch,
lldb::ModuleSP &exe_module_sp,
const FileSpecList *module_search_paths_ptr)
{
Error error;
char exe_path[PATH_MAX];
FileSpec resolved_exe_file (exe_file);
if (!resolved_exe_file.Exists())
{
exe_file.GetPath(exe_path, sizeof(exe_path));
error.SetErrorStringWithFormat("unable to find executable for '%s'", exe_path);
}
if (error.Success())
{
ModuleSpec module_spec (resolved_exe_file, exe_arch);
if (exe_arch.IsValid())
{
error = ModuleList::GetSharedModule (module_spec,
exe_module_sp,
NULL,
NULL,
NULL);
if (error.Fail())
{
// If we failed, it may be because the vendor and os aren't known. If that is the
// case, try setting them to the host architecture and give it another try.
llvm::Triple &module_triple = module_spec.GetArchitecture().GetTriple();
bool is_vendor_specified = (module_triple.getVendor() != llvm::Triple::UnknownVendor);
bool is_os_specified = (module_triple.getOS() != llvm::Triple::UnknownOS);
if (!is_vendor_specified || !is_os_specified)
{
const llvm::Triple &host_triple = Host::GetArchitecture (Host::eSystemDefaultArchitecture).GetTriple();
if (!is_vendor_specified)
module_triple.setVendorName (host_triple.getVendorName());
if (!is_os_specified)
module_triple.setOSName (host_triple.getOSName());
error = ModuleList::GetSharedModule (module_spec,
exe_module_sp,
NULL,
NULL,
NULL);
}
}
// TODO find out why exe_module_sp might be NULL
if (!exe_module_sp || exe_module_sp->GetObjectFile() == NULL)
{
exe_module_sp.reset();
error.SetErrorStringWithFormat ("'%s' doesn't contain the architecture %s",
exe_file.GetPath().c_str(),
exe_arch.GetArchitectureName());
}
}
else
{
// No valid architecture was specified, 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;
for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, module_spec.GetArchitecture()); ++idx)
{
error = ModuleList::GetSharedModule (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 (module_spec.GetArchitecture().GetArchitectureName());
}
if (error.Fail() || !exe_module_sp)
{
error.SetErrorStringWithFormat ("'%s' doesn't contain any '%s' platform architectures: %s",
exe_file.GetPath().c_str(),
GetPluginName().GetCString(),
arch_names.GetString().c_str());
}
}
}
return error;
}
Error
PlatformKalimba::GetFileWithUUID (const FileSpec & /*platform_file*/,
const UUID * /*uuid_ptr*/, FileSpec & /*local_file*/)
{
return Error();
}
//------------------------------------------------------------------
/// Default Constructor
//------------------------------------------------------------------
PlatformKalimba::PlatformKalimba (bool is_host) :
Platform(is_host), // This is the local host platform
m_remote_platform_sp ()
{
}
//------------------------------------------------------------------
/// Destructor.
///
/// The destructor is virtual since this class is designed to be
/// inherited from by the plug-in instance.
//------------------------------------------------------------------
PlatformKalimba::~PlatformKalimba()
{
}
bool
PlatformKalimba::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info)
{
bool success = false;
if (IsHost())
{
success = false;
}
else
{
if (m_remote_platform_sp)
success = m_remote_platform_sp->GetProcessInfo (pid, process_info);
}
return success;
}
bool
PlatformKalimba::GetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch)
{
if (idx == 0)
{
arch = ArchSpec("kalimba-csr-unknown");
return true;
}
return false;
}
void
PlatformKalimba::GetStatus (Stream &strm)
{
Platform::GetStatus(strm);
}
size_t
PlatformKalimba::GetSoftwareBreakpointTrapOpcode (Target & /*target*/,
BreakpointSite * /*bp_site*/)
{
// the target hardware does not support software breakpoints
return 0;
}
Error
PlatformKalimba::LaunchProcess (ProcessLaunchInfo &launch_info)
{
Error error;
if (IsHost())
{
error.SetErrorString ("native execution is not possible");
}
else
{
error.SetErrorString ("the platform is not currently connected");
}
return error;
}
lldb::ProcessSP
PlatformKalimba::Attach(ProcessAttachInfo &attach_info,
Debugger &debugger,
Target *target,
Listener &listener,
Error &error)
{
lldb::ProcessSP process_sp;
if (IsHost())
{
error.SetErrorString ("native execution is not possible");
}
else
{
if (m_remote_platform_sp)
process_sp = m_remote_platform_sp->Attach (attach_info, debugger, target, listener, error);
else
error.SetErrorString ("the platform is not currently connected");
}
return process_sp;
}
void
PlatformKalimba::CalculateTrapHandlerSymbolNames ()
{
}
Error
PlatformKalimba::LaunchNativeProcess (
ProcessLaunchInfo &,
lldb_private::NativeProcessProtocol::NativeDelegate &,
NativeProcessProtocolSP &)
{
return Error();
}
Error
PlatformKalimba::AttachNativeProcess (lldb::pid_t,
lldb_private::NativeProcessProtocol::NativeDelegate &,
NativeProcessProtocolSP &)
{
return Error();
}