forked from OSchip/llvm-project
345 lines
10 KiB
C++
345 lines
10 KiB
C++
//===-- PlatformKalimba.cpp ---------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/lldb-python.h"
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#include "PlatformKalimba.h"
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#include "lldb/Host/Config.h"
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Core/Error.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/ModuleList.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Core/StreamString.h"
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#include "lldb/Host/FileSpec.h"
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#include "lldb/Host/HostInfo.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Target/Process.h"
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using namespace lldb;
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using namespace lldb_private;
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static uint32_t g_initialize_count = 0;
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PlatformSP
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PlatformKalimba::CreateInstance (bool force, const ArchSpec *arch)
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{
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bool create = force;
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if (create == false && arch && arch->IsValid())
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{
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const llvm::Triple &triple = arch->GetTriple();
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switch (triple.getVendor())
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{
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case llvm::Triple::CSR:
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create = true;
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break;
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default:
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break;
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}
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}
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if (create)
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return PlatformSP(new PlatformKalimba(false));
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return PlatformSP();
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}
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lldb_private::ConstString
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PlatformKalimba::GetPluginNameStatic (bool /*is_host*/)
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{
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static ConstString g_remote_name("kalimba");
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return g_remote_name;
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}
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const char *
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PlatformKalimba::GetPluginDescriptionStatic (bool /*is_host*/)
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{
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return "Kalimba user platform plug-in.";
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}
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lldb_private::ConstString
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PlatformKalimba::GetPluginName()
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{
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return GetPluginNameStatic(false);
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}
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void
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PlatformKalimba::Initialize ()
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{
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Platform::Initialize ();
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if (g_initialize_count++ == 0)
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{
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PluginManager::RegisterPlugin(PlatformKalimba::GetPluginNameStatic(false),
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PlatformKalimba::GetPluginDescriptionStatic(false),
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PlatformKalimba::CreateInstance);
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}
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}
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void
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PlatformKalimba::Terminate ()
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{
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if (g_initialize_count > 0)
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{
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if (--g_initialize_count == 0)
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{
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PluginManager::UnregisterPlugin (PlatformKalimba::CreateInstance);
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}
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}
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Platform::Terminate ();
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}
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Error
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PlatformKalimba::ResolveExecutable (const ModuleSpec &ms,
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lldb::ModuleSP &exe_module_sp,
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const FileSpecList *module_search_paths_ptr)
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{
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Error error;
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char exe_path[PATH_MAX];
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ModuleSpec resolved_module_spec(ms);
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if (!resolved_module_spec.GetFileSpec().Exists())
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{
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resolved_module_spec.GetFileSpec().GetPath(exe_path, sizeof(exe_path));
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error.SetErrorStringWithFormat("unable to find executable for '%s'", exe_path);
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}
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if (error.Success())
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{
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if (resolved_module_spec.GetArchitecture().IsValid())
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{
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error = ModuleList::GetSharedModule (resolved_module_spec,
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exe_module_sp,
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NULL,
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NULL,
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NULL);
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if (error.Fail())
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{
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// If we failed, it may be because the vendor and os aren't known. If that is the
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// case, try setting them to the host architecture and give it another try.
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llvm::Triple &module_triple = resolved_module_spec.GetArchitecture().GetTriple();
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bool is_vendor_specified = (module_triple.getVendor() != llvm::Triple::UnknownVendor);
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bool is_os_specified = (module_triple.getOS() != llvm::Triple::UnknownOS);
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if (!is_vendor_specified || !is_os_specified)
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{
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const llvm::Triple &host_triple = HostInfo::GetArchitecture(HostInfo::eArchKindDefault).GetTriple();
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if (!is_vendor_specified)
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module_triple.setVendorName (host_triple.getVendorName());
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if (!is_os_specified)
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module_triple.setOSName (host_triple.getOSName());
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error = ModuleList::GetSharedModule (resolved_module_spec,
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exe_module_sp,
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NULL,
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NULL,
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NULL);
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}
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}
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// TODO find out why exe_module_sp might be NULL
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if (!exe_module_sp || exe_module_sp->GetObjectFile() == NULL)
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{
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exe_module_sp.reset();
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error.SetErrorStringWithFormat ("'%s' doesn't contain the architecture %s",
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resolved_module_spec.GetFileSpec().GetPath().c_str(),
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resolved_module_spec.GetArchitecture().GetArchitectureName());
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}
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}
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else
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{
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// No valid architecture was specified, ask the platform for
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// the architectures that we should be using (in the correct order)
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// and see if we can find a match that way
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StreamString arch_names;
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for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, resolved_module_spec.GetArchitecture()); ++idx)
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{
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error = ModuleList::GetSharedModule (resolved_module_spec,
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exe_module_sp,
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NULL,
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NULL,
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NULL);
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// Did we find an executable using one of the
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if (error.Success())
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{
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if (exe_module_sp && exe_module_sp->GetObjectFile())
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break;
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else
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error.SetErrorToGenericError();
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}
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if (idx > 0)
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arch_names.PutCString (", ");
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arch_names.PutCString (resolved_module_spec.GetArchitecture().GetArchitectureName());
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}
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if (error.Fail() || !exe_module_sp)
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{
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if (resolved_module_spec.GetFileSpec().Readable())
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{
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error.SetErrorStringWithFormat ("'%s' doesn't contain any '%s' platform architectures: %s",
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resolved_module_spec.GetFileSpec().GetPath().c_str(),
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GetPluginName().GetCString(),
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arch_names.GetString().c_str());
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}
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else
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{
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error.SetErrorStringWithFormat("'%s' is not readable", resolved_module_spec.GetFileSpec().GetPath().c_str());
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}
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}
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}
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}
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return error;
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}
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Error
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PlatformKalimba::GetFileWithUUID (const FileSpec & /*platform_file*/,
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const UUID * /*uuid_ptr*/, FileSpec & /*local_file*/)
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{
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return Error();
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}
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//------------------------------------------------------------------
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/// Default Constructor
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//------------------------------------------------------------------
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PlatformKalimba::PlatformKalimba (bool is_host) :
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Platform(is_host), // This is the local host platform
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m_remote_platform_sp ()
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{
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}
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//------------------------------------------------------------------
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/// Destructor.
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///
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/// The destructor is virtual since this class is designed to be
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/// inherited from by the plug-in instance.
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//------------------------------------------------------------------
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PlatformKalimba::~PlatformKalimba()
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{
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}
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bool
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PlatformKalimba::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info)
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{
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bool success = false;
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if (IsHost())
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{
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success = false;
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}
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else
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{
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if (m_remote_platform_sp)
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success = m_remote_platform_sp->GetProcessInfo (pid, process_info);
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}
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return success;
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}
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bool
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PlatformKalimba::GetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch)
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{
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if (idx == 0)
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{
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arch = ArchSpec("kalimba3-csr-unknown");
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return true;
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}
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if (idx == 1)
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{
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arch = ArchSpec("kalimba4-csr-unknown");
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return true;
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}
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if (idx == 2)
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{
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arch = ArchSpec("kalimba5-csr-unknown");
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return true;
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}
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return false;
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}
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void
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PlatformKalimba::GetStatus (Stream &strm)
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{
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Platform::GetStatus(strm);
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}
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size_t
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PlatformKalimba::GetSoftwareBreakpointTrapOpcode (Target & /*target*/,
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BreakpointSite * /*bp_site*/)
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{
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// the target hardware does not support software breakpoints
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return 0;
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}
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Error
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PlatformKalimba::LaunchProcess (ProcessLaunchInfo &launch_info)
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{
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Error error;
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if (IsHost())
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{
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error.SetErrorString ("native execution is not possible");
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}
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else
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{
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error.SetErrorString ("the platform is not currently connected");
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}
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return error;
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}
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lldb::ProcessSP
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PlatformKalimba::Attach(ProcessAttachInfo &attach_info,
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Debugger &debugger,
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Target *target,
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Error &error)
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{
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lldb::ProcessSP process_sp;
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if (IsHost())
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{
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error.SetErrorString ("native execution is not possible");
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}
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else
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{
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if (m_remote_platform_sp)
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process_sp = m_remote_platform_sp->Attach (attach_info, debugger, target, error);
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else
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error.SetErrorString ("the platform is not currently connected");
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}
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return process_sp;
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}
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void
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PlatformKalimba::CalculateTrapHandlerSymbolNames ()
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{
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// TODO Research this sometime.
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}
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Error
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PlatformKalimba::LaunchNativeProcess (
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ProcessLaunchInfo &,
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lldb_private::NativeProcessProtocol::NativeDelegate &,
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NativeProcessProtocolSP &)
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{
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return Error();
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}
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Error
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PlatformKalimba::AttachNativeProcess (lldb::pid_t,
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lldb_private::NativeProcessProtocol::NativeDelegate &,
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NativeProcessProtocolSP &)
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{
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return Error();
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}
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