Add SWIG Python interface files for SBDebugger, SBCompileUnit, and SBEvent.

llvm-svn: 135432
This commit is contained in:
Johnny Chen 2011-07-18 22:11:53 +00:00
parent 7a16288157
commit 0eca544b45
7 changed files with 534 additions and 246 deletions

View File

@ -15,41 +15,8 @@
namespace lldb {
#ifdef SWIG
%feature("docstring",
"Represents a compilation unit, or compiled source file.
SBCompileUnit supports line entry iteration. For example,
for lineEntry in compileUnit:
print 'line entry: %s:%d' % (str(lineEntry.GetFileSpec()),
lineEntry.GetLine())
print 'start addr: %s' % str(lineEntry.GetStartAddress())
print 'end addr: %s' % str(lineEntry.GetEndAddress())
produces:
line entry: /Volumes/data/lldb/svn/trunk/test/python_api/symbol-context/main.c:20
start addr: a.out[0x100000d98]
end addr: a.out[0x100000da3]
line entry: /Volumes/data/lldb/svn/trunk/test/python_api/symbol-context/main.c:21
start addr: a.out[0x100000da3]
end addr: a.out[0x100000da9]
line entry: /Volumes/data/lldb/svn/trunk/test/python_api/symbol-context/main.c:22
start addr: a.out[0x100000da9]
end addr: a.out[0x100000db6]
line entry: /Volumes/data/lldb/svn/trunk/test/python_api/symbol-context/main.c:23
start addr: a.out[0x100000db6]
end addr: a.out[0x100000dbc]
...
"
) SBCompileUnit;
#endif
class SBCompileUnit
{
#ifdef SWIG
%feature("autodoc", "1");
#endif
public:
SBCompileUnit ();

View File

@ -15,111 +15,8 @@
namespace lldb {
#ifdef SWIG
%feature("docstring",
"SBDebugger is the primordial object that creates SBTargets and provides
access to them. It also manages the overall debugging experiences.
For example (from example/disasm.py),
import lldb
import os
import sys
def disassemble_instructions (insts):
for i in insts:
print i
...
# Create a new debugger instance
debugger = lldb.SBDebugger.Create()
# When we step or continue, don't return from the function until the process
# stops. We do this by setting the async mode to false.
debugger.SetAsync (False)
# Create a target from a file and arch
print 'Creating a target for \'%s\'' % exe
target = debugger.CreateTargetWithFileAndArch (exe, lldb.LLDB_ARCH_DEFAULT)
if target:
# If the target is valid set a breakpoint at main
main_bp = target.BreakpointCreateByName (fname, target.GetExecutable().GetFilename());
print main_bp
# Launch the process. Since we specified synchronous mode, we won't return
# from this function until we hit the breakpoint at main
process = target.LaunchSimple (None, None, os.getcwd())
# Make sure the launch went ok
if process:
# Print some simple process info
state = process.GetState ()
print process
if state == lldb.eStateStopped:
# Get the first thread
thread = process.GetThreadAtIndex (0)
if thread:
# Print some simple thread info
print thread
# Get the first frame
frame = thread.GetFrameAtIndex (0)
if frame:
# Print some simple frame info
print frame
function = frame.GetFunction()
# See if we have debug info (a function)
if function:
# We do have a function, print some info for the function
print function
# Now get all instructions for this function and print them
insts = function.GetInstructions(target)
disassemble_instructions (insts)
else:
# See if we have a symbol in the symbol table for where we stopped
symbol = frame.GetSymbol();
if symbol:
# We do have a symbol, print some info for the symbol
print symbol
# Now get all instructions for this symbol and print them
insts = symbol.GetInstructions(target)
disassemble_instructions (insts)
registerList = frame.GetRegisters()
print 'Frame registers (size of register set = %d):' % registerList.GetSize()
for value in registerList:
#print value
print '%s (number of children = %d):' % (value.GetName(), value.GetNumChildren())
for child in value:
print 'Name: ', child.GetName(), ' Value: ', child.GetValue(frame)
print 'Hit the breakpoint at main, enter to continue and wait for program to exit or \'Ctrl-D\'/\'quit\' to terminate the program'
next = sys.stdin.readline()
if not next or next.rstrip('\n') == 'quit':
print 'Terminating the inferior process...'
process.Kill()
else:
# Now continue to the program exit
process.Continue()
# When we return from the above function we will hopefully be at the
# program exit. Print out some process info
print process
elif state == lldb.eStateExited:
print 'Didn\'t hit the breakpoint at main, program has exited...'
else:
print 'Unexpected process state: %s, killing process...' % debugger.StateAsCString (state)
process.Kill()
"
) SBDebugger;
#endif
class SBDebugger
{
#ifdef SWIG
%feature("autodoc", "1");
#endif
public:
static void

View File

@ -20,120 +20,14 @@ namespace lldb {
class SBBroadcaster;
#ifdef SWIG
%feature("docstring",
"API clients can register to receive events.
For example, check out the following output:
Try wait for event...
Event description: 0x103d0bb70 Event: broadcaster = 0x1009c8410, type = 0x00000001, data = { process = 0x1009c8400 (pid = 21528), state = running}
Event data flavor: Process::ProcessEventData
Process state: running
Try wait for event...
Event description: 0x103a700a0 Event: broadcaster = 0x1009c8410, type = 0x00000001, data = { process = 0x1009c8400 (pid = 21528), state = stopped}
Event data flavor: Process::ProcessEventData
Process state: stopped
Try wait for event...
Event description: 0x103d0d4a0 Event: broadcaster = 0x1009c8410, type = 0x00000001, data = { process = 0x1009c8400 (pid = 21528), state = exited}
Event data flavor: Process::ProcessEventData
Process state: exited
Try wait for event...
timeout occurred waiting for event...
from test/python_api/event/TestEventspy:
def do_listen_for_and_print_event(self):
'''Create a listener and use SBEvent API to print the events received.'''
exe = os.path.join(os.getcwd(), 'a.out')
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Now create a breakpoint on main.c by name 'c'.
breakpoint = target.BreakpointCreateByName('c', 'a.out')
# Now launch the process, and do not stop at the entry point.
process = target.LaunchSimple(None, None, os.getcwd())
self.assertTrue(process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
# Get a handle on the process's broadcaster.
broadcaster = process.GetBroadcaster()
# Create an empty event object.
event = lldb.SBEvent()
# Create a listener object and register with the broadcaster.
listener = lldb.SBListener('my listener')
rc = broadcaster.AddListener(listener, lldb.SBProcess.eBroadcastBitStateChanged)
self.assertTrue(rc, 'AddListener successfully retruns')
traceOn = self.TraceOn()
if traceOn:
lldbutil.print_stacktraces(process)
# Create MyListeningThread class to wait for any kind of event.
import threading
class MyListeningThread(threading.Thread):
def run(self):
count = 0
# Let's only try at most 4 times to retrieve any kind of event.
# After that, the thread exits.
while not count > 3:
if traceOn:
print 'Try wait for event...'
if listener.WaitForEventForBroadcasterWithType(5,
broadcaster,
lldb.SBProcess.eBroadcastBitStateChanged,
event):
if traceOn:
desc = lldbutil.get_description(event)
print 'Event description:', desc
print 'Event data flavor:', event.GetDataFlavor()
print 'Process state:', lldbutil.state_type_to_str(process.GetState())
print
else:
if traceOn:
print 'timeout occurred waiting for event...'
count = count + 1
return
# Let's start the listening thread to retrieve the events.
my_thread = MyListeningThread()
my_thread.start()
# Use Python API to continue the process. The listening thread should be
# able to receive the state changed events.
process.Continue()
# Use Python API to kill the process. The listening thread should be
# able to receive the state changed event, too.
process.Kill()
# Wait until the 'MyListeningThread' terminates.
my_thread.join()
"
) SBEvent;
#endif
class SBEvent
{
#ifdef SWIG
%feature("autodoc", "1");
#endif
public:
SBEvent();
SBEvent (const lldb::SBEvent &rhs);
// Make an event that contains a C string.
#ifdef SWIG
%feature("autodoc", "__init__(self, int type, str data) -> SBEvent") SBEvent;
#endif
SBEvent (uint32_t event, const char *cstr, uint32_t cstr_len);
~SBEvent();

View File

@ -0,0 +1,70 @@
//===-- SWIG Interface for SBCompileUnit ------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
namespace lldb {
%feature("docstring",
"Represents a compilation unit, or compiled source file.
SBCompileUnit supports line entry iteration. For example,
for lineEntry in compileUnit:
print 'line entry: %s:%d' % (str(lineEntry.GetFileSpec()),
lineEntry.GetLine())
print 'start addr: %s' % str(lineEntry.GetStartAddress())
print 'end addr: %s' % str(lineEntry.GetEndAddress())
produces:
line entry: /Volumes/data/lldb/svn/trunk/test/python_api/symbol-context/main.c:20
start addr: a.out[0x100000d98]
end addr: a.out[0x100000da3]
line entry: /Volumes/data/lldb/svn/trunk/test/python_api/symbol-context/main.c:21
start addr: a.out[0x100000da3]
end addr: a.out[0x100000da9]
line entry: /Volumes/data/lldb/svn/trunk/test/python_api/symbol-context/main.c:22
start addr: a.out[0x100000da9]
end addr: a.out[0x100000db6]
line entry: /Volumes/data/lldb/svn/trunk/test/python_api/symbol-context/main.c:23
start addr: a.out[0x100000db6]
end addr: a.out[0x100000dbc]
...
") SBCompileUnit;
class SBCompileUnit
{
public:
SBCompileUnit ();
SBCompileUnit (const lldb::SBCompileUnit &rhs);
~SBCompileUnit ();
bool
IsValid () const;
lldb::SBFileSpec
GetFileSpec () const;
uint32_t
GetNumLineEntries () const;
lldb::SBLineEntry
GetLineEntryAtIndex (uint32_t idx) const;
uint32_t
FindLineEntryIndex (uint32_t start_idx,
uint32_t line,
lldb::SBFileSpec *inline_file_spec) const;
bool
GetDescription (lldb::SBStream &description);
};
} // namespace lldb

View File

@ -0,0 +1,310 @@
//===-- SWIG Interface for SBDebugger ---------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
namespace lldb {
%feature("docstring",
"SBDebugger is the primordial object that creates SBTargets and provides
access to them. It also manages the overall debugging experiences.
For example (from example/disasm.py),
import lldb
import os
import sys
def disassemble_instructions (insts):
for i in insts:
print i
...
# Create a new debugger instance
debugger = lldb.SBDebugger.Create()
# When we step or continue, don't return from the function until the process
# stops. We do this by setting the async mode to false.
debugger.SetAsync (False)
# Create a target from a file and arch
print 'Creating a target for \'%s\'' % exe
target = debugger.CreateTargetWithFileAndArch (exe, lldb.LLDB_ARCH_DEFAULT)
if target:
# If the target is valid set a breakpoint at main
main_bp = target.BreakpointCreateByName (fname, target.GetExecutable().GetFilename());
print main_bp
# Launch the process. Since we specified synchronous mode, we won't return
# from this function until we hit the breakpoint at main
process = target.LaunchSimple (None, None, os.getcwd())
# Make sure the launch went ok
if process:
# Print some simple process info
state = process.GetState ()
print process
if state == lldb.eStateStopped:
# Get the first thread
thread = process.GetThreadAtIndex (0)
if thread:
# Print some simple thread info
print thread
# Get the first frame
frame = thread.GetFrameAtIndex (0)
if frame:
# Print some simple frame info
print frame
function = frame.GetFunction()
# See if we have debug info (a function)
if function:
# We do have a function, print some info for the function
print function
# Now get all instructions for this function and print them
insts = function.GetInstructions(target)
disassemble_instructions (insts)
else:
# See if we have a symbol in the symbol table for where we stopped
symbol = frame.GetSymbol();
if symbol:
# We do have a symbol, print some info for the symbol
print symbol
# Now get all instructions for this symbol and print them
insts = symbol.GetInstructions(target)
disassemble_instructions (insts)
registerList = frame.GetRegisters()
print 'Frame registers (size of register set = %d):' % registerList.GetSize()
for value in registerList:
#print value
print '%s (number of children = %d):' % (value.GetName(), value.GetNumChildren())
for child in value:
print 'Name: ', child.GetName(), ' Value: ', child.GetValue(frame)
print 'Hit the breakpoint at main, enter to continue and wait for program to exit or \'Ctrl-D\'/\'quit\' to terminate the program'
next = sys.stdin.readline()
if not next or next.rstrip('\n') == 'quit':
print 'Terminating the inferior process...'
process.Kill()
else:
# Now continue to the program exit
process.Continue()
# When we return from the above function we will hopefully be at the
# program exit. Print out some process info
print process
elif state == lldb.eStateExited:
print 'Didn\'t hit the breakpoint at main, program has exited...'
else:
print 'Unexpected process state: %s, killing process...' % debugger.StateAsCString (state)
process.Kill()
") SBDebugger;
class SBDebugger
{
public:
static void
Initialize();
static void
Terminate();
static lldb::SBDebugger
Create();
static void
Destroy (lldb::SBDebugger &debugger);
SBDebugger();
SBDebugger(const lldb::SBDebugger &rhs);
~SBDebugger();
bool
IsValid() const;
void
Clear ();
void
SetAsync (bool b);
void
SkipLLDBInitFiles (bool b);
void
SetInputFileHandle (FILE *f, bool transfer_ownership);
void
SetOutputFileHandle (FILE *f, bool transfer_ownership);
void
SetErrorFileHandle (FILE *f, bool transfer_ownership);
FILE *
GetInputFileHandle ();
FILE *
GetOutputFileHandle ();
FILE *
GetErrorFileHandle ();
lldb::SBCommandInterpreter
GetCommandInterpreter ();
void
HandleCommand (const char *command);
lldb::SBListener
GetListener ();
void
HandleProcessEvent (const lldb::SBProcess &process,
const lldb::SBEvent &event,
FILE *out,
FILE *err);
lldb::SBTarget
CreateTargetWithFileAndTargetTriple (const char *filename,
const char *target_triple);
lldb::SBTarget
CreateTargetWithFileAndArch (const char *filename,
const char *archname);
lldb::SBTarget
CreateTarget (const char *filename);
%feature("docstring",
"Return true if target is deleted from the target list of the debugger."
) DeleteTarget;
bool
DeleteTarget (lldb::SBTarget &target);
lldb::SBTarget
GetTargetAtIndex (uint32_t idx);
lldb::SBTarget
FindTargetWithProcessID (pid_t pid);
lldb::SBTarget
FindTargetWithFileAndArch (const char *filename,
const char *arch);
uint32_t
GetNumTargets ();
lldb::SBTarget
GetSelectedTarget ();
lldb::SBSourceManager &
GetSourceManager ();
// REMOVE: just for a quick fix, need to expose platforms through
// SBPlatform from this class.
lldb::SBError
SetCurrentPlatform (const char *platform_name);
bool
SetCurrentPlatformSDKRoot (const char *sysroot);
// FIXME: Once we get the set show stuff in place, the driver won't need
// an interface to the Set/Get UseExternalEditor.
bool
SetUseExternalEditor (bool input);
bool
GetUseExternalEditor ();
static bool
GetDefaultArchitecture (char *arch_name, size_t arch_name_len);
static bool
SetDefaultArchitecture (const char *arch_name);
lldb::ScriptLanguage
GetScriptingLanguage (const char *script_language_name);
static const char *
GetVersionString ();
static const char *
StateAsCString (lldb::StateType state);
static bool
StateIsRunningState (lldb::StateType state);
static bool
StateIsStoppedState (lldb::StateType state);
void
DispatchInput (void *baton, const void *data, size_t data_len);
void
DispatchInputInterrupt ();
void
DispatchInputEndOfFile ();
void
PushInputReader (lldb::SBInputReader &reader);
void
NotifyTopInputReader (lldb::InputReaderAction notification);
bool
InputReaderIsTopReader (const lldb::SBInputReader &reader);
const char *
GetInstanceName ();
static SBDebugger
FindDebuggerWithID (int id);
static lldb::SBError
SetInternalVariable (const char *var_name, const char *value, const char *debugger_instance_name);
static lldb::SBStringList
GetInternalVariableValue (const char *var_name, const char *debugger_instance_name);
bool
GetDescription (lldb::SBStream &description);
uint32_t
GetTerminalWidth () const;
void
SetTerminalWidth (uint32_t term_width);
lldb::user_id_t
GetID ();
const char *
GetPrompt() const;
void
SetPrompt (const char *prompt);
lldb::ScriptLanguage
GetScriptLanguage() const;
void
SetScriptLanguage (lldb::ScriptLanguage script_lang);
bool
GetCloseInputOnEOF () const;
void
SetCloseInputOnEOF (bool b);
}; // class SBDebugger
} // namespace lldb

View File

@ -0,0 +1,150 @@
//===-- SWIG Interface for SBEvent ------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
namespace lldb {
class SBBroadcaster;
%feature("docstring",
"API clients can register to receive events.
For example, check out the following output:
Try wait for event...
Event description: 0x103d0bb70 Event: broadcaster = 0x1009c8410, type = 0x00000001, data = { process = 0x1009c8400 (pid = 21528), state = running}
Event data flavor: Process::ProcessEventData
Process state: running
Try wait for event...
Event description: 0x103a700a0 Event: broadcaster = 0x1009c8410, type = 0x00000001, data = { process = 0x1009c8400 (pid = 21528), state = stopped}
Event data flavor: Process::ProcessEventData
Process state: stopped
Try wait for event...
Event description: 0x103d0d4a0 Event: broadcaster = 0x1009c8410, type = 0x00000001, data = { process = 0x1009c8400 (pid = 21528), state = exited}
Event data flavor: Process::ProcessEventData
Process state: exited
Try wait for event...
timeout occurred waiting for event...
from test/python_api/event/TestEventspy:
def do_listen_for_and_print_event(self):
'''Create a listener and use SBEvent API to print the events received.'''
exe = os.path.join(os.getcwd(), 'a.out')
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Now create a breakpoint on main.c by name 'c'.
breakpoint = target.BreakpointCreateByName('c', 'a.out')
# Now launch the process, and do not stop at the entry point.
process = target.LaunchSimple(None, None, os.getcwd())
self.assertTrue(process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
# Get a handle on the process's broadcaster.
broadcaster = process.GetBroadcaster()
# Create an empty event object.
event = lldb.SBEvent()
# Create a listener object and register with the broadcaster.
listener = lldb.SBListener('my listener')
rc = broadcaster.AddListener(listener, lldb.SBProcess.eBroadcastBitStateChanged)
self.assertTrue(rc, 'AddListener successfully retruns')
traceOn = self.TraceOn()
if traceOn:
lldbutil.print_stacktraces(process)
# Create MyListeningThread class to wait for any kind of event.
import threading
class MyListeningThread(threading.Thread):
def run(self):
count = 0
# Let's only try at most 4 times to retrieve any kind of event.
# After that, the thread exits.
while not count > 3:
if traceOn:
print 'Try wait for event...'
if listener.WaitForEventForBroadcasterWithType(5,
broadcaster,
lldb.SBProcess.eBroadcastBitStateChanged,
event):
if traceOn:
desc = lldbutil.get_description(event)
print 'Event description:', desc
print 'Event data flavor:', event.GetDataFlavor()
print 'Process state:', lldbutil.state_type_to_str(process.GetState())
print
else:
if traceOn:
print 'timeout occurred waiting for event...'
count = count + 1
return
# Let's start the listening thread to retrieve the events.
my_thread = MyListeningThread()
my_thread.start()
# Use Python API to continue the process. The listening thread should be
# able to receive the state changed events.
process.Continue()
# Use Python API to kill the process. The listening thread should be
# able to receive the state changed event, too.
process.Kill()
# Wait until the 'MyListeningThread' terminates.
my_thread.join()
") SBEvent;
class SBEvent
{
public:
SBEvent();
SBEvent (const lldb::SBEvent &rhs);
%feature("autodoc",
"__init__(self, int type, str data) -> SBEvent (make an event that contains a C string)"
) SBEvent;
SBEvent (uint32_t event, const char *cstr, uint32_t cstr_len);
~SBEvent();
bool
IsValid() const;
const char *
GetDataFlavor ();
uint32_t
GetType () const;
lldb::SBBroadcaster
GetBroadcaster () const;
bool
BroadcasterMatchesRef (const lldb::SBBroadcaster &broadcaster);
void
Clear();
static const char *
GetCStringFromEvent (const lldb::SBEvent &event);
bool
GetDescription (lldb::SBStream &description) const;
};
} // namespace lldb

View File

@ -204,13 +204,13 @@ o SBLineEntry: Specifies an association with a contiguous range of instructions
%include "lldb/API/SBCommandInterpreter.h"
%include "lldb/API/SBCommandReturnObject.h"
%include "lldb/API/SBCommunication.h"
%include "lldb/API/SBCompileUnit.h"
%include "lldb/API/SBDebugger.h"
%include "./Python/interface/SBCompileUnit.i"
%include "./Python/interface/SBDebugger.i"
%include "lldb/API/SBError.h"
%include "lldb/API/SBEvent.h"
%include "./Python/interface/SBEvent.i"
%include "lldb/API/SBFileSpec.h"
%include "./Python/interface/SBFrame.i"
%include "lldb/API/SBFunction.h"
%include "./Python/interface/SBFunction.i"
%include "lldb/API/SBHostOS.h"
%include "lldb/API/SBInputReader.h"
%include "lldb/API/SBInstruction.h"