mirror of
https://github.com/intel/llvm.git
synced 2026-01-15 04:17:17 +08:00
5d5028b54e
use the python API that is exposed through SWIG to do some cool stuff. Also fixed synchronous debugging so that all process control APIs exposed through the python API will now wait for the process to stop if you set the async mode to false (see disasm.py). llvm-svn: 115738
523 lines
13 KiB
C++
523 lines
13 KiB
C++
//===-- SBTarget.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/API/SBTarget.h"
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#include "lldb/lldb-include.h"
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#include "lldb/API/SBFileSpec.h"
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#include "lldb/API/SBModule.h"
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#include "lldb/API/SBStream.h"
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#include "lldb/Breakpoint/BreakpointID.h"
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#include "lldb/Breakpoint/BreakpointIDList.h"
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#include "lldb/Breakpoint/BreakpointList.h"
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#include "lldb/Breakpoint/BreakpointLocation.h"
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#include "lldb/Core/Address.h"
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#include "lldb/Core/AddressResolver.h"
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#include "lldb/Core/AddressResolverName.h"
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#include "lldb/Interpreter/Args.h"
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#include "lldb/Core/ArchSpec.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Core/Disassembler.h"
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#include "lldb/Core/FileSpec.h"
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#include "lldb/Core/RegularExpression.h"
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#include "lldb/Core/SearchFilter.h"
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#include "lldb/Core/STLUtils.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Target/TargetList.h"
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#include "lldb/Interpreter/CommandReturnObject.h"
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#include "../source/Commands/CommandObjectBreakpoint.h"
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#include "lldb/API/SBDebugger.h"
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#include "lldb/API/SBProcess.h"
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#include "lldb/API/SBListener.h"
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#include "lldb/API/SBBreakpoint.h"
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using namespace lldb;
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using namespace lldb_private;
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#define DEFAULT_DISASM_BYTE_SIZE 32
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//----------------------------------------------------------------------
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// SBTarget constructor
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//----------------------------------------------------------------------
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SBTarget::SBTarget ()
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{
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}
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SBTarget::SBTarget (const SBTarget& rhs) :
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m_opaque_sp (rhs.m_opaque_sp)
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{
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}
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SBTarget::SBTarget(const TargetSP& target_sp) :
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m_opaque_sp (target_sp)
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{
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}
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const SBTarget&
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SBTarget::Assign (const SBTarget& rhs)
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{
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if (this != &rhs)
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{
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m_opaque_sp = rhs.m_opaque_sp;
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}
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return *this;
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}
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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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SBTarget::~SBTarget()
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{
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}
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bool
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SBTarget::IsValid () const
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{
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return m_opaque_sp.get() != NULL;
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}
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SBProcess
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SBTarget::GetProcess ()
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{
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SBProcess sb_process;
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if (m_opaque_sp)
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sb_process.SetProcess (m_opaque_sp->GetProcessSP());
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return sb_process;
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}
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SBDebugger
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SBTarget::GetDebugger () const
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{
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SBDebugger debugger;
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if (m_opaque_sp)
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debugger.reset (m_opaque_sp->GetDebugger().GetSP());
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return debugger;
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}
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SBProcess
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SBTarget::LaunchProcess
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(
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char const **argv,
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char const **envp,
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const char *tty,
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uint32_t launch_flags,
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bool stop_at_entry
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)
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{
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SBProcess sb_process;
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if (m_opaque_sp)
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{
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// When launching, we always want to create a new process
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sb_process.SetProcess (m_opaque_sp->CreateProcess (m_opaque_sp->GetDebugger().GetListener()));
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if (sb_process.IsValid())
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{
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Error error (sb_process->Launch (argv, envp, launch_flags, tty, tty, tty));
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if (error.Success())
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{
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// We we are stopping at the entry point, we can return now!
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if (stop_at_entry)
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return sb_process;
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// Make sure we are stopped at the entry
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StateType state = sb_process->WaitForProcessToStop (NULL);
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if (state == eStateStopped)
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{
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// resume the process to skip the entry point
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error = sb_process->Resume();
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if (error.Success())
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{
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// If we are doing synchronous mode, then wait for the
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// process to stop yet again!
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if (m_opaque_sp->GetDebugger().GetAsyncExecution () == false)
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sb_process->WaitForProcessToStop (NULL);
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}
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}
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}
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}
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}
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return sb_process;
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}
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SBFileSpec
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SBTarget::GetExecutable ()
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{
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SBFileSpec exe_file_spec;
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if (m_opaque_sp)
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{
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ModuleSP exe_module_sp (m_opaque_sp->GetExecutableModule ());
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if (exe_module_sp)
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exe_file_spec.SetFileSpec (exe_module_sp->GetFileSpec());
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}
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return exe_file_spec;
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}
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bool
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SBTarget::DeleteTargetFromList (TargetList *list)
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{
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if (m_opaque_sp)
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return list->DeleteTarget (m_opaque_sp);
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else
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return false;
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}
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bool
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SBTarget::operator == (const SBTarget &rhs) const
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{
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return m_opaque_sp.get() == rhs.m_opaque_sp.get();
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}
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bool
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SBTarget::operator != (const SBTarget &rhs) const
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{
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return m_opaque_sp.get() != rhs.m_opaque_sp.get();
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}
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lldb_private::Target *
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SBTarget::operator ->() const
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{
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return m_opaque_sp.get();
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}
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lldb_private::Target *
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SBTarget::get() const
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{
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return m_opaque_sp.get();
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}
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void
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SBTarget::reset (const lldb::TargetSP& target_sp)
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{
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m_opaque_sp = target_sp;
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}
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SBBreakpoint
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SBTarget::BreakpointCreateByLocation (const char *file, uint32_t line)
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{
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SBBreakpoint sb_bp;
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if (file != NULL && line != 0)
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sb_bp = BreakpointCreateByLocation (SBFileSpec (file), line);
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return sb_bp;
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}
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SBBreakpoint
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SBTarget::BreakpointCreateByLocation (const SBFileSpec &sb_file_spec, uint32_t line)
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{
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SBBreakpoint sb_bp;
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if (m_opaque_sp.get() && line != 0)
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*sb_bp = m_opaque_sp->CreateBreakpoint (NULL, *sb_file_spec, line, true, false);
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return sb_bp;
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}
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SBBreakpoint
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SBTarget::BreakpointCreateByName (const char *symbol_name, const char *module_name)
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{
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SBBreakpoint sb_bp;
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if (m_opaque_sp.get() && symbol_name && symbol_name[0])
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{
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if (module_name && module_name[0])
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{
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FileSpec module_file_spec(module_name);
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*sb_bp = m_opaque_sp->CreateBreakpoint (&module_file_spec, symbol_name, eFunctionNameTypeFull | eFunctionNameTypeBase, false);
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}
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else
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{
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*sb_bp = m_opaque_sp->CreateBreakpoint (NULL, symbol_name, eFunctionNameTypeFull | eFunctionNameTypeBase, false);
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}
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}
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return sb_bp;
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}
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SBBreakpoint
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SBTarget::BreakpointCreateByRegex (const char *symbol_name_regex, const char *module_name)
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{
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SBBreakpoint sb_bp;
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if (m_opaque_sp.get() && symbol_name_regex && symbol_name_regex[0])
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{
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RegularExpression regexp(symbol_name_regex);
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if (module_name && module_name[0])
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{
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FileSpec module_file_spec(module_name);
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*sb_bp = m_opaque_sp->CreateBreakpoint (&module_file_spec, regexp, false);
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}
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else
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{
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*sb_bp = m_opaque_sp->CreateBreakpoint (NULL, regexp, false);
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}
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}
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return sb_bp;
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}
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SBBreakpoint
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SBTarget::BreakpointCreateByAddress (addr_t address)
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{
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SBBreakpoint sb_bp;
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if (m_opaque_sp.get())
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*sb_bp = m_opaque_sp->CreateBreakpoint (address, false);
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return sb_bp;
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}
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SBBreakpoint
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SBTarget::FindBreakpointByID (break_id_t bp_id)
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{
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SBBreakpoint sb_breakpoint;
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if (m_opaque_sp && bp_id != LLDB_INVALID_BREAK_ID)
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*sb_breakpoint = m_opaque_sp->GetBreakpointByID (bp_id);
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return sb_breakpoint;
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}
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uint32_t
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SBTarget::GetNumBreakpoints () const
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{
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if (m_opaque_sp)
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return m_opaque_sp->GetBreakpointList().GetSize();
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return 0;
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}
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SBBreakpoint
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SBTarget::GetBreakpointAtIndex (uint32_t idx) const
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{
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SBBreakpoint sb_breakpoint;
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if (m_opaque_sp)
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*sb_breakpoint = m_opaque_sp->GetBreakpointList().GetBreakpointAtIndex(idx);
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return sb_breakpoint;
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}
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bool
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SBTarget::BreakpointDelete (break_id_t bp_id)
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{
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if (m_opaque_sp)
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return m_opaque_sp->RemoveBreakpointByID (bp_id);
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return false;
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}
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bool
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SBTarget::EnableAllBreakpoints ()
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{
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if (m_opaque_sp)
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{
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m_opaque_sp->EnableAllBreakpoints ();
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return true;
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}
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return false;
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}
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bool
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SBTarget::DisableAllBreakpoints ()
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{
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if (m_opaque_sp)
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{
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m_opaque_sp->DisableAllBreakpoints ();
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return true;
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}
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return false;
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}
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bool
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SBTarget::DeleteAllBreakpoints ()
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{
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if (m_opaque_sp)
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{
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m_opaque_sp->RemoveAllBreakpoints ();
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return true;
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}
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return false;
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}
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uint32_t
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SBTarget::GetNumModules () const
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{
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if (m_opaque_sp)
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return m_opaque_sp->GetImages().GetSize();
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return 0;
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}
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void
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SBTarget::Clear ()
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{
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m_opaque_sp.reset();
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}
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SBModule
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SBTarget::FindModule (const SBFileSpec &sb_file_spec)
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{
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SBModule sb_module;
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if (m_opaque_sp && sb_file_spec.IsValid())
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sb_module.SetModule (m_opaque_sp->GetImages().FindFirstModuleForFileSpec (*sb_file_spec, NULL));
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return sb_module;
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}
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SBModule
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SBTarget::GetModuleAtIndex (uint32_t idx)
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{
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SBModule sb_module;
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if (m_opaque_sp)
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sb_module.SetModule(m_opaque_sp->GetImages().GetModuleAtIndex(idx));
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return sb_module;
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}
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SBBroadcaster
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SBTarget::GetBroadcaster () const
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{
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SBBroadcaster broadcaster(m_opaque_sp.get(), false);
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return broadcaster;
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}
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void
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SBTarget::Disassemble (lldb::addr_t start_addr, lldb::addr_t end_addr, const char *module_name)
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{
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if (start_addr == LLDB_INVALID_ADDRESS)
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return;
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FILE *out = m_opaque_sp->GetDebugger().GetOutputFileHandle();
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if (out == NULL)
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return;
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if (m_opaque_sp)
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{
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ModuleSP module_sp;
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if (module_name != NULL)
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{
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FileSpec module_file_spec (module_name);
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module_sp = m_opaque_sp->GetImages().FindFirstModuleForFileSpec (module_file_spec, NULL);
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}
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AddressRange range;
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// Make sure the process object is alive if we have one (it might be
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// created but we might not be launched yet).
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Process *sb_process = m_opaque_sp->GetProcessSP().get();
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if (sb_process && !sb_process->IsAlive())
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sb_process = NULL;
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// If we are given a module, then "start_addr" is a file address in
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// that module.
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if (module_sp)
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{
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if (!module_sp->ResolveFileAddress (start_addr, range.GetBaseAddress()))
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range.GetBaseAddress().SetOffset(start_addr);
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}
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else if (m_opaque_sp->GetSectionLoadList().IsEmpty() == false)
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{
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// We don't have a module, se we need to figure out if "start_addr"
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// resolves to anything in a running process.
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if (!m_opaque_sp->GetSectionLoadList().ResolveLoadAddress (start_addr, range.GetBaseAddress()))
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range.GetBaseAddress().SetOffset(start_addr);
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}
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else
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{
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if (m_opaque_sp->GetImages().ResolveFileAddress (start_addr, range.GetBaseAddress()))
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range.GetBaseAddress().SetOffset(start_addr);
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}
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// For now, we need a process; the disassembly functions insist. If we don't have one already,
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// make one.
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ExecutionContext exe_ctx;
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if (sb_process)
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sb_process->CalculateExecutionContext(exe_ctx);
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else
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m_opaque_sp->CalculateExecutionContext(exe_ctx);
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if (end_addr == LLDB_INVALID_ADDRESS || end_addr < start_addr)
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range.SetByteSize( DEFAULT_DISASM_BYTE_SIZE);
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else
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range.SetByteSize(end_addr - start_addr);
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StreamFile out_stream (out);
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Disassembler::Disassemble (m_opaque_sp->GetDebugger(),
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m_opaque_sp->GetArchitecture(),
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exe_ctx,
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range,
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3,
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false,
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out_stream);
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}
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}
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void
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SBTarget::Disassemble (const char *function_name, const char *module_name)
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{
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if (function_name == NULL)
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return;
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FILE *out = m_opaque_sp->GetDebugger().GetOutputFileHandle();
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if (out == NULL)
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return;
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if (m_opaque_sp)
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{
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Disassembler *disassembler = Disassembler::FindPlugin (m_opaque_sp->GetArchitecture());
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if (disassembler == NULL)
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return;
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ModuleSP module_sp;
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if (module_name != NULL)
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{
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FileSpec module_file_spec (module_name);
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module_sp = m_opaque_sp->GetImages().FindFirstModuleForFileSpec (module_file_spec, NULL);
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}
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ExecutionContext exe_ctx;
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// Make sure the process object is alive if we have one (it might be
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// created but we might not be launched yet).
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Process *sb_process = m_opaque_sp->GetProcessSP().get();
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if (sb_process && !sb_process->IsAlive())
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sb_process = NULL;
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if (sb_process)
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sb_process->CalculateExecutionContext(exe_ctx);
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else
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m_opaque_sp->CalculateExecutionContext(exe_ctx);
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StreamFile out_stream (out);
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Disassembler::Disassemble (m_opaque_sp->GetDebugger(),
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m_opaque_sp->GetArchitecture(),
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exe_ctx,
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ConstString (function_name),
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module_sp.get(),
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3,
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false,
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out_stream);
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}
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}
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bool
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SBTarget::GetDescription (SBStream &description)
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{
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if (m_opaque_sp)
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{
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description.ref();
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m_opaque_sp->Dump (description.get());
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}
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else
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description.Printf ("No value");
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return true;
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}
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