mirror of
https://github.com/intel/llvm.git
synced 2026-01-17 23:45:25 +08:00
bf4b7be68e
equality can be strict or loose and we want code to explicitly choose one or the other. Also renamed the Compare function to IsEqualTo, to avoid confusion. <rdar://problem/12856749> llvm-svn: 170152
502 lines
15 KiB
C++
502 lines
15 KiB
C++
//===-- TargetList.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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// C Includes
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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/Broadcaster.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Core/Event.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/State.h"
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#include "lldb/Core/Timer.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/OptionGroupPlatform.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/TargetList.h"
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using namespace lldb;
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using namespace lldb_private;
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ConstString &
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TargetList::GetStaticBroadcasterClass ()
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{
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static ConstString class_name ("lldb.targetList");
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return class_name;
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}
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//----------------------------------------------------------------------
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// TargetList constructor
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//----------------------------------------------------------------------
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TargetList::TargetList(Debugger &debugger) :
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Broadcaster(&debugger, TargetList::GetStaticBroadcasterClass().AsCString()),
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m_target_list(),
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m_target_list_mutex (Mutex::eMutexTypeRecursive),
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m_selected_target_idx (0)
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{
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CheckInWithManager();
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}
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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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TargetList::~TargetList()
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{
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Mutex::Locker locker(m_target_list_mutex);
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m_target_list.clear();
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}
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Error
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TargetList::CreateTarget (Debugger &debugger,
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const char *user_exe_path,
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const char *triple_cstr,
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bool get_dependent_files,
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const OptionGroupPlatform *platform_options,
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TargetSP &target_sp)
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{
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Error error;
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PlatformSP platform_sp;
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// This is purposely left empty unless it is specified by triple_cstr.
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// If not initialized via triple_cstr, then the currently selected platform
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// will set the architecture correctly.
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const ArchSpec arch(triple_cstr);
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if (triple_cstr && triple_cstr[0])
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{
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if (!arch.IsValid())
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{
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error.SetErrorStringWithFormat("invalid triple '%s'", triple_cstr);
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return error;
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}
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}
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ArchSpec platform_arch(arch);
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CommandInterpreter &interpreter = debugger.GetCommandInterpreter();
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if (platform_options)
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{
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if (platform_options->PlatformWasSpecified ())
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{
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const bool select_platform = true;
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platform_sp = platform_options->CreatePlatformWithOptions (interpreter,
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arch,
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select_platform,
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error,
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platform_arch);
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if (!platform_sp)
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return error;
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}
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}
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if (!platform_sp)
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{
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// Get the current platform and make sure it is compatible with the
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// current architecture if we have a valid architecture.
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platform_sp = debugger.GetPlatformList().GetSelectedPlatform ();
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if (arch.IsValid() && !platform_sp->IsCompatibleArchitecture(arch, &platform_arch))
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{
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platform_sp = Platform::GetPlatformForArchitecture(arch, &platform_arch);
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}
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}
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if (!platform_arch.IsValid())
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platform_arch = arch;
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error = TargetList::CreateTarget (debugger,
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user_exe_path,
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platform_arch,
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get_dependent_files,
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platform_sp,
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target_sp);
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return error;
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}
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Error
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TargetList::CreateTarget (Debugger &debugger,
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const char *user_exe_path,
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const ArchSpec& specified_arch,
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bool get_dependent_files,
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PlatformSP &platform_sp,
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TargetSP &target_sp)
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{
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Timer scoped_timer (__PRETTY_FUNCTION__,
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"TargetList::CreateTarget (file = '%s', arch = '%s')",
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user_exe_path,
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specified_arch.GetArchitectureName());
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Error error;
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ArchSpec arch(specified_arch);
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if (platform_sp)
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{
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if (arch.IsValid())
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{
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if (!platform_sp->IsCompatibleArchitecture(arch))
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platform_sp = Platform::GetPlatformForArchitecture(specified_arch, &arch);
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}
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}
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else if (arch.IsValid())
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{
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platform_sp = Platform::GetPlatformForArchitecture(specified_arch, &arch);
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}
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if (!platform_sp)
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platform_sp = debugger.GetPlatformList().GetSelectedPlatform();
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if (!arch.IsValid())
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arch = specified_arch;
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FileSpec file (user_exe_path, false);
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bool user_exe_path_is_bundle = false;
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char resolved_bundle_exe_path[PATH_MAX];
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resolved_bundle_exe_path[0] = '\0';
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if (file)
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{
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if (file.GetFileType() == FileSpec::eFileTypeDirectory)
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user_exe_path_is_bundle = true;
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if (file.IsRelativeToCurrentWorkingDirectory())
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{
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// Ignore paths that start with "./" and "../"
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if (!((user_exe_path[0] == '.' && user_exe_path[1] == '/') ||
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(user_exe_path[0] == '.' && user_exe_path[1] == '.' && user_exe_path[2] == '/')))
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{
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char cwd[PATH_MAX];
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if (getcwd (cwd, sizeof(cwd)))
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{
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std::string cwd_user_exe_path (cwd);
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cwd_user_exe_path += '/';
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cwd_user_exe_path += user_exe_path;
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file.SetFile(cwd_user_exe_path.c_str(), false);
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}
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}
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}
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ModuleSP exe_module_sp;
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if (platform_sp)
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{
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FileSpecList executable_search_paths (Target::GetDefaultExecutableSearchPaths());
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error = platform_sp->ResolveExecutable (file,
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arch,
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exe_module_sp,
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executable_search_paths.GetSize() ? &executable_search_paths : NULL);
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}
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if (error.Success() && exe_module_sp)
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{
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if (exe_module_sp->GetObjectFile() == NULL)
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{
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if (arch.IsValid())
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{
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error.SetErrorStringWithFormat("\"%s%s%s\" doesn't contain architecture %s",
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file.GetDirectory().AsCString(),
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file.GetDirectory() ? "/" : "",
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file.GetFilename().AsCString(),
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arch.GetArchitectureName());
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}
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else
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{
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error.SetErrorStringWithFormat("unsupported file type \"%s%s%s\"",
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file.GetDirectory().AsCString(),
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file.GetDirectory() ? "/" : "",
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file.GetFilename().AsCString());
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}
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return error;
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}
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target_sp.reset(new Target(debugger, arch, platform_sp));
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target_sp->SetExecutableModule (exe_module_sp, get_dependent_files);
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if (user_exe_path_is_bundle)
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exe_module_sp->GetFileSpec().GetPath(resolved_bundle_exe_path, sizeof(resolved_bundle_exe_path));
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}
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}
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else
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{
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// No file was specified, just create an empty target with any arch
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// if a valid arch was specified
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target_sp.reset(new Target(debugger, arch, platform_sp));
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}
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if (target_sp)
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{
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// Set argv0 with what the user typed, unless the user specified a
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// directory. If the user specified a directory, then it is probably a
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// bundle that was resolved and we need to use the resolved bundle path
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if (user_exe_path)
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{
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// Use exactly what the user typed as the first argument when we exec or posix_spawn
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if (user_exe_path_is_bundle && resolved_bundle_exe_path[0])
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{
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target_sp->SetArg0 (resolved_bundle_exe_path);
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}
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else
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{
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// Just use what the user typed
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target_sp->SetArg0 (user_exe_path);
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}
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}
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if (file.GetDirectory())
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{
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FileSpec file_dir;
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file_dir.GetDirectory() = file.GetDirectory();
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target_sp->GetExecutableSearchPaths ().Append (file_dir);
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}
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Mutex::Locker locker(m_target_list_mutex);
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m_selected_target_idx = m_target_list.size();
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m_target_list.push_back(target_sp);
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}
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return error;
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}
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bool
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TargetList::DeleteTarget (TargetSP &target_sp)
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{
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Mutex::Locker locker(m_target_list_mutex);
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collection::iterator pos, end = m_target_list.end();
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for (pos = m_target_list.begin(); pos != end; ++pos)
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{
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if (pos->get() == target_sp.get())
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{
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m_target_list.erase(pos);
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return true;
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}
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}
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return false;
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}
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TargetSP
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TargetList::FindTargetWithExecutableAndArchitecture
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(
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const FileSpec &exe_file_spec,
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const ArchSpec *exe_arch_ptr
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) const
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{
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Mutex::Locker locker (m_target_list_mutex);
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TargetSP target_sp;
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bool full_match = exe_file_spec.GetDirectory();
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collection::const_iterator pos, end = m_target_list.end();
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for (pos = m_target_list.begin(); pos != end; ++pos)
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{
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Module *exe_module = (*pos)->GetExecutableModulePointer();
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if (exe_module)
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{
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if (FileSpec::Equal (exe_file_spec, exe_module->GetFileSpec(), full_match))
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{
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if (exe_arch_ptr)
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{
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if (!exe_arch_ptr->IsCompatibleMatch(exe_module->GetArchitecture()))
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continue;
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}
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target_sp = *pos;
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break;
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}
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}
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}
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return target_sp;
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}
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TargetSP
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TargetList::FindTargetWithProcessID (lldb::pid_t pid) const
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{
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Mutex::Locker locker(m_target_list_mutex);
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TargetSP target_sp;
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collection::const_iterator pos, end = m_target_list.end();
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for (pos = m_target_list.begin(); pos != end; ++pos)
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{
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Process* process = (*pos)->GetProcessSP().get();
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if (process && process->GetID() == pid)
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{
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target_sp = *pos;
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break;
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}
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}
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return target_sp;
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}
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TargetSP
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TargetList::FindTargetWithProcess (Process *process) const
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{
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TargetSP target_sp;
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if (process)
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{
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Mutex::Locker locker(m_target_list_mutex);
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collection::const_iterator pos, end = m_target_list.end();
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for (pos = m_target_list.begin(); pos != end; ++pos)
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{
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if (process == (*pos)->GetProcessSP().get())
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{
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target_sp = *pos;
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break;
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}
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}
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}
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return target_sp;
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}
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TargetSP
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TargetList::GetTargetSP (Target *target) const
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{
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TargetSP target_sp;
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if (target)
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{
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Mutex::Locker locker(m_target_list_mutex);
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collection::const_iterator pos, end = m_target_list.end();
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for (pos = m_target_list.begin(); pos != end; ++pos)
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{
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if (target == (*pos).get())
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{
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target_sp = *pos;
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break;
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}
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}
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}
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return target_sp;
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}
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uint32_t
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TargetList::SendAsyncInterrupt (lldb::pid_t pid)
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{
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uint32_t num_async_interrupts_sent = 0;
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if (pid != LLDB_INVALID_PROCESS_ID)
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{
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TargetSP target_sp(FindTargetWithProcessID (pid));
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if (target_sp.get())
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{
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Process* process = target_sp->GetProcessSP().get();
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if (process)
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{
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process->SendAsyncInterrupt();
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++num_async_interrupts_sent;
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}
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}
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}
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else
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{
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// We don't have a valid pid to broadcast to, so broadcast to the target
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// list's async broadcaster...
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BroadcastEvent (Process::eBroadcastBitInterrupt, NULL);
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}
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return num_async_interrupts_sent;
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}
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uint32_t
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TargetList::SignalIfRunning (lldb::pid_t pid, int signo)
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{
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uint32_t num_signals_sent = 0;
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Process *process = NULL;
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if (pid == LLDB_INVALID_PROCESS_ID)
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{
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// Signal all processes with signal
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Mutex::Locker locker(m_target_list_mutex);
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collection::iterator pos, end = m_target_list.end();
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for (pos = m_target_list.begin(); pos != end; ++pos)
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{
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process = (*pos)->GetProcessSP().get();
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if (process)
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{
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if (process->IsAlive())
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{
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++num_signals_sent;
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process->Signal (signo);
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}
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}
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}
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}
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else
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{
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// Signal a specific process with signal
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TargetSP target_sp(FindTargetWithProcessID (pid));
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if (target_sp.get())
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{
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process = target_sp->GetProcessSP().get();
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if (process)
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{
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if (process->IsAlive())
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{
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++num_signals_sent;
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process->Signal (signo);
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}
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}
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}
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}
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return num_signals_sent;
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}
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int
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TargetList::GetNumTargets () const
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{
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Mutex::Locker locker (m_target_list_mutex);
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return m_target_list.size();
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}
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lldb::TargetSP
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TargetList::GetTargetAtIndex (uint32_t idx) const
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{
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TargetSP target_sp;
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Mutex::Locker locker (m_target_list_mutex);
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if (idx < m_target_list.size())
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target_sp = m_target_list[idx];
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return target_sp;
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}
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uint32_t
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TargetList::GetIndexOfTarget (lldb::TargetSP target_sp) const
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{
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Mutex::Locker locker (m_target_list_mutex);
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size_t num_targets = m_target_list.size();
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for (size_t idx = 0; idx < num_targets; idx++)
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{
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if (target_sp == m_target_list[idx])
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return idx;
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}
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return UINT32_MAX;
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}
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uint32_t
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TargetList::SetSelectedTarget (Target* target)
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{
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Mutex::Locker locker (m_target_list_mutex);
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collection::const_iterator pos,
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begin = m_target_list.begin(),
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end = m_target_list.end();
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for (pos = begin; pos != end; ++pos)
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{
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if (pos->get() == target)
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{
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m_selected_target_idx = std::distance (begin, pos);
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return m_selected_target_idx;
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}
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}
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m_selected_target_idx = 0;
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return m_selected_target_idx;
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}
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lldb::TargetSP
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TargetList::GetSelectedTarget ()
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{
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Mutex::Locker locker (m_target_list_mutex);
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if (m_selected_target_idx >= m_target_list.size())
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m_selected_target_idx = 0;
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return GetTargetAtIndex (m_selected_target_idx);
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}
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