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llvm-capstone/lldb/test/lldbtest.py
Johnny Chen 6713a9b317 Python API changes: SBValue.IsPtrType() -> SBValue.IsPointerType(). 
SBFrame print representation: idx: 0 -> #0

llvm-svn: 117924
2010-11-01 16:08:47 +00:00

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"""
LLDB module which provides the abstract base class of lldb test case.
The concrete subclass can override lldbtest.TesBase in order to inherit the
common behavior for unitest.TestCase.setUp/tearDown implemented in this file.
The subclass should override the attribute mydir in order for the python runtime
to locate the individual test cases when running as part of a large test suite
or when running each test case as a separate python invocation.
./dotest.py provides a test driver which sets up the environment to run the
entire test suite. Users who want to run a test case on its own can specify the
LLDB_TEST and PYTHONPATH environment variables, for example:
$ export LLDB_TEST=$PWD
$ export PYTHONPATH=/Volumes/data/lldb/svn/trunk/build/Debug/LLDB.framework/Resources/Python:$LLDB_TEST:$LLDB_TEST/plugins
$ echo $LLDB_TEST
/Volumes/data/lldb/svn/trunk/test
$ echo $PYTHONPATH
/Volumes/data/lldb/svn/trunk/build/Debug/LLDB.framework/Resources/Python:/Volumes/data/lldb/svn/trunk/test:/Volumes/data/lldb/svn/trunk/test/plugins
$ python function_types/TestFunctionTypes.py
.
----------------------------------------------------------------------
Ran 1 test in 0.363s
OK
$ LLDB_COMMAND_TRACE=YES python array_types/TestArrayTypes.py
...
runCmd: breakpoint set -f main.c -l 42
output: Breakpoint created: 1: file ='main.c', line = 42, locations = 1
runCmd: run
output: Launching '/Volumes/data/lldb/svn/trunk/test/array_types/a.out' (x86_64)
...
runCmd: frame variable strings
output: (char *[4]) strings = {
(char *) strings[0] = 0x0000000100000f0c "Hello",
(char *) strings[1] = 0x0000000100000f12 "Hola",
(char *) strings[2] = 0x0000000100000f17 "Bonjour",
(char *) strings[3] = 0x0000000100000f1f "Guten Tag"
}
runCmd: frame variable char_16
output: (char [16]) char_16 = {
(char) char_16[0] = 'H',
(char) char_16[1] = 'e',
(char) char_16[2] = 'l',
(char) char_16[3] = 'l',
(char) char_16[4] = 'o',
(char) char_16[5] = ' ',
(char) char_16[6] = 'W',
(char) char_16[7] = 'o',
(char) char_16[8] = 'r',
(char) char_16[9] = 'l',
(char) char_16[10] = 'd',
(char) char_16[11] = '\n',
(char) char_16[12] = '\0',
(char) char_16[13] = '\0',
(char) char_16[14] = '\0',
(char) char_16[15] = '\0'
}
runCmd: frame variable ushort_matrix
output: (unsigned short [2][3]) ushort_matrix = {
(unsigned short [3]) ushort_matrix[0] = {
(unsigned short) ushort_matrix[0][0] = 0x0001,
(unsigned short) ushort_matrix[0][1] = 0x0002,
(unsigned short) ushort_matrix[0][2] = 0x0003
},
(unsigned short [3]) ushort_matrix[1] = {
(unsigned short) ushort_matrix[1][0] = 0x000b,
(unsigned short) ushort_matrix[1][1] = 0x0016,
(unsigned short) ushort_matrix[1][2] = 0x0021
}
}
runCmd: frame variable long_6
output: (long [6]) long_6 = {
(long) long_6[0] = 1,
(long) long_6[1] = 2,
(long) long_6[2] = 3,
(long) long_6[3] = 4,
(long) long_6[4] = 5,
(long) long_6[5] = 6
}
.
----------------------------------------------------------------------
Ran 1 test in 0.349s
OK
$
"""
import os, sys, traceback
import re
from subprocess import *
import StringIO
import time
import types
import unittest2
import lldb
# See also dotest.parseOptionsAndInitTestdirs(), where the environment variables
# LLDB_COMMAND_TRACE and LLDB_NO_CLEANUP are set from '-t' and '-r dir' options.
# By default, traceAlways is False.
if "LLDB_COMMAND_TRACE" in os.environ and os.environ["LLDB_COMMAND_TRACE"]=="YES":
traceAlways = True
else:
traceAlways = False
# By default, doCleanup is True.
if "LLDB_DO_CLEANUP" in os.environ and os.environ["LLDB_DO_CLEANUP"]=="NO":
doCleanup = False
else:
doCleanup = True
#
# Some commonly used assert messages.
#
COMMAND_FAILED_AS_EXPECTED = "Command has failed as expected"
CURRENT_EXECUTABLE_SET = "Current executable set successfully"
PROCESS_IS_VALID = "Process is valid"
PROCESS_KILLED = "Process is killed successfully"
RUN_SUCCEEDED = "Process is launched successfully"
RUN_COMPLETED = "Process exited successfully"
BACKTRACE_DISPLAYED_CORRECTLY = "Backtrace displayed correctly"
BREAKPOINT_CREATED = "Breakpoint created successfully"
BREAKPOINT_PENDING_CREATED = "Pending breakpoint created successfully"
BREAKPOINT_HIT_ONCE = "Breakpoint resolved with hit cout = 1"
BREAKPOINT_HIT_TWICE = "Breakpoint resolved with hit cout = 2"
BREAKPOINT_HIT_THRICE = "Breakpoint resolved with hit cout = 3"
STEP_OUT_SUCCEEDED = "Thread step-out succeeded"
STOPPED_DUE_TO_BREAKPOINT = "Process state is stopped due to breakpoint"
STOPPED_DUE_TO_BREAKPOINT_CONDITION = "Stopped due to breakpoint condition"
STOPPED_DUE_TO_SIGNAL = "Process state is stopped due to signal"
STOPPED_DUE_TO_STEP_IN = "Process state is stopped due to step in"
DATA_TYPES_DISPLAYED_CORRECTLY = "Data type(s) displayed correctly"
VALID_BREAKPOINT = "Got a valid breakpoint"
VALID_BREAKPOINT_LOCATION = "Got a valid breakpoint location"
VALID_FILESPEC = "Got a valid filespec"
VALID_PROCESS = "Got a valid process"
VALID_TARGET = "Got a valid target"
VARIABLES_DISPLAYED_CORRECTLY = "Variable(s) displayed correctly"
#
# And a generic "Command '%s' returns successfully" message generator.
#
def CMD_MSG(str, exe):
if exe:
return "Command '%s' returns successfully" % str
else:
return "'%s' compares successfully" % str
#
# And a generic "Value of setting '%s' is correct" message generator.
#
def SETTING_MSG(setting):
return "Value of setting '%s' is correct" % setting
#
# Returns an env variable array from the os.environ map object.
#
def EnvArray():
return map(lambda k,v: k+"="+v, os.environ.keys(), os.environ.values())
def line_number(filename, string_to_match):
"""Helper function to return the line number of the first matched string."""
with open(filename, 'r') as f:
for i, line in enumerate(f):
if line.find(string_to_match) != -1:
# Found our match.
return i+1
return -1
def pointer_size():
"""Return the pointer size of the host system."""
import ctypes
a_pointer = ctypes.c_void_p(0xffff)
return 8 * ctypes.sizeof(a_pointer)
class recording(StringIO.StringIO):
"""
A nice little context manager for recording the debugger interactions into
our session object. If trace flag is ON, it also emits the interactions
into the stderr.
"""
def __init__(self, test, trace):
"""Create a StringIO instance; record the session obj and trace flag."""
StringIO.StringIO.__init__(self)
self.session = test.session if test else None
self.trace = trace
def __enter__(self):
"""
Context management protocol on entry to the body of the with statement.
Just return the StringIO object.
"""
return self
def __exit__(self, type, value, tb):
"""
Context management protocol on exit from the body of the with statement.
If trace is ON, it emits the recordings into stderr. Always add the
recordings to our session object. And close the StringIO object, too.
"""
if self.trace:
print >> sys.stderr, self.getvalue()
if self.session:
print >> self.session, self.getvalue()
self.close()
# From 2.7's subprocess.check_output() convenience function.
def system(*popenargs, **kwargs):
r"""Run command with arguments and return its output as a byte string.
If the exit code was non-zero it raises a CalledProcessError. The
CalledProcessError object will have the return code in the returncode
attribute and output in the output attribute.
The arguments are the same as for the Popen constructor. Example:
>>> check_output(["ls", "-l", "/dev/null"])
'crw-rw-rw- 1 root root 1, 3 Oct 18 2007 /dev/null\n'
The stdout argument is not allowed as it is used internally.
To capture standard error in the result, use stderr=STDOUT.
>>> check_output(["/bin/sh", "-c",
... "ls -l non_existent_file ; exit 0"],
... stderr=STDOUT)
'ls: non_existent_file: No such file or directory\n'
"""
# Assign the sender object to variable 'test' and remove it from kwargs.
test = kwargs.pop('sender', None)
if 'stdout' in kwargs:
raise ValueError('stdout argument not allowed, it will be overridden.')
process = Popen(stdout=PIPE, *popenargs, **kwargs)
output, error = process.communicate()
retcode = process.poll()
with recording(test, traceAlways) as sbuf:
if isinstance(popenargs, types.StringTypes):
args = [popenargs]
else:
args = list(popenargs)
print >> sbuf
print >> sbuf, "os command:", args
print >> sbuf, "stdout:", output
print >> sbuf, "stderr:", error
print >> sbuf, "retcode:", retcode
print >> sbuf
if retcode:
cmd = kwargs.get("args")
if cmd is None:
cmd = popenargs[0]
raise CalledProcessError(retcode, cmd)
return output
class TestBase(unittest2.TestCase):
"""
This abstract base class is meant to be subclassed. It provides default
implementations for setUpClass(), tearDownClass(), setUp(), and tearDown(),
among other things.
Important things for test class writers:
- Overwrite the mydir class attribute, otherwise your test class won't
run. It specifies the relative directory to the top level 'test' so
the test harness can change to the correct working directory before
running your test.
- The setUp method sets up things to facilitate subsequent interactions
with the debugger as part of the test. These include:
- create/get a debugger set with synchronous mode (self.dbg)
- get the command interpreter from with the debugger (self.ci)
- create a result object for use with the command interpreter
(self.result)
- plus other stuffs
- The tearDown method tries to perform some necessary cleanup on behalf
of the test to return the debugger to a good state for the next test.
These include:
- execute any tearDown hooks registered by the test method with
TestBase.addTearDownHook(); examples can be found in
settings/TestSettings.py
- kill the inferior process launched during the test method
- if by 'run' or 'process launch' command, 'process kill'
command is used
- if the test method uses LLDB Python API to launch process,
it should assign the process object to self.process; that
way, tearDown will use self.process.Kill() on the object
- perform build cleanup before running the next test method in the
same test class; examples of registering for this service can be
found in types/TestIntegerTypes.py with the call:
- self.setTearDownCleanup(dictionary=d)
- Similarly setUpClass and tearDownClass perform classwise setup and
teardown fixtures. The tearDownClass method invokes a default build
cleanup for the entire test class; also, subclasses can implement the
classmethod classCleanup(cls) to perform special class cleanup action.
- The instance methods runCmd and expect are used heavily by existing
test cases to send a command to the command interpreter and to perform
string/pattern matching on the output of such command execution. The
expect method also provides a mode to peform string/pattern matching
without running a command.
- The build methods buildDefault, buildDsym, and buildDwarf are used to
build the binaries used during a particular test scenario. A plugin
should be provided for the sys.platform running the test suite. The
Mac OS X implementation is located in plugins/darwin.py.
"""
@classmethod
def skipLongRunningTest(cls):
"""
By default, we skip long running test case.
This can be overridden by passing '-l' to the test driver (dotest.py).
"""
if "LLDB_SKIP_LONG_RUNNING_TEST" in os.environ and "NO" == os.environ["LLDB_SKIP_LONG_RUNNING_TEST"]:
return False
else:
return True
# The concrete subclass should override this attribute.
mydir = None
# State pertaining to the inferior process, if any.
# This reflects inferior process started through the command interface with
# either the lldb "run" or "process launch" command.
# See also self.runCmd().
runStarted = False
# Maximum allowed attempts when launching the inferior process.
# Can be overridden by the LLDB_MAX_LAUNCH_COUNT environment variable.
maxLaunchCount = 3;
# Time to wait before the next launching attempt in second(s).
# Can be overridden by the LLDB_TIME_WAIT_NEXT_LAUNCH environment variable.
timeWait = 1.0;
# Keep track of the old current working directory.
oldcwd = None
@classmethod
def setUpClass(cls):
"""
Python unittest framework class setup fixture.
Do current directory manipulation.
"""
# Fail fast if 'mydir' attribute is not overridden.
if not cls.mydir or len(cls.mydir) == 0:
raise Exception("Subclasses must override the 'mydir' attribute.")
# Save old working directory.
cls.oldcwd = os.getcwd()
# Change current working directory if ${LLDB_TEST} is defined.
# See also dotest.py which sets up ${LLDB_TEST}.
if ("LLDB_TEST" in os.environ):
if traceAlways:
print >> sys.stderr, "Change dir to:", os.path.join(os.environ["LLDB_TEST"], cls.mydir)
os.chdir(os.path.join(os.environ["LLDB_TEST"], cls.mydir))
@classmethod
def tearDownClass(cls):
"""
Python unittest framework class teardown fixture.
Do class-wide cleanup.
"""
if doCleanup:
# First, let's do the platform-specific cleanup.
module = __import__(sys.platform)
if not module.cleanup():
raise Exception("Don't know how to do cleanup")
# Subclass might have specific cleanup function defined.
if getattr(cls, "classCleanup", None):
if traceAlways:
print >> sys.stderr, "Call class-specific cleanup function for class:", cls
try:
cls.classCleanup()
except:
exc_type, exc_value, exc_tb = sys.exc_info()
traceback.print_exception(exc_type, exc_value, exc_tb)
# Restore old working directory.
if traceAlways:
print >> sys.stderr, "Restore dir to:", cls.oldcwd
os.chdir(cls.oldcwd)
def setUp(self):
#import traceback
#traceback.print_stack()
if ("LLDB_WAIT_BETWEEN_TEST_CASES" in os.environ and
os.environ["LLDB_WAIT_BETWEEN_TEST_CASES"] == 'YES'):
time.sleep(0.5)
if "LLDB_MAX_LAUNCH_COUNT" in os.environ:
self.maxLaunchCount = int(os.environ["LLDB_MAX_LAUNCH_COUNT"])
if "LLDB_TIME_WAIT_NEXT_LAUNCH" in os.environ:
self.timeWait = float(os.environ["LLDB_TIME_WAIT_NEXT_LAUNCH"])
# Create the debugger instance if necessary.
try:
self.dbg = lldb.DBG
except AttributeError:
self.dbg = lldb.SBDebugger.Create()
if not self.dbg.IsValid():
raise Exception('Invalid debugger instance')
# We want our debugger to be synchronous.
self.dbg.SetAsync(False)
# There is no process associated with the debugger as yet.
# See also self.tearDown() where it checks whether self.process has a
# valid reference and calls self.process.Kill() to kill the process.
self.process = None
# Retrieve the associated command interpreter instance.
self.ci = self.dbg.GetCommandInterpreter()
if not self.ci:
raise Exception('Could not get the command interpreter')
# And the result object.
self.res = lldb.SBCommandReturnObject()
# These are for customized teardown cleanup.
self.dict = None
self.doTearDownCleanup = False
# Create a string buffer to record the session info, to be dumped into a
# test case specific file if test failure is encountered.
self.session = StringIO.StringIO()
# Optimistically set self.__errored__ and self.__failed__ to False
# initially. If the test errored/failed, the session info
# (self.session) is then dumped into a session specific file for
# diagnosis.
self.__errored__ = False
self.__failed__ = False
# See addTearDownHook(self, hook) which allows the client to add a hook
# function to be run during tearDown() time.
self.hooks = []
def markError(self):
"""Callback invoked when we (the test case instance) errored."""
self.__errored__ = True
with recording(self, False) as sbuf:
# False because there's no need to write "ERROR" to the stderr twice.
# Once by the Python unittest framework, and a second time by us.
print >> sbuf, "ERROR"
def markFailure(self):
"""Callback invoked when we (the test case instance) failed."""
self.__failed__ = True
with recording(self, False) as sbuf:
# False because there's no need to write "FAIL" to the stderr twice.
# Once by the Python unittest framework, and a second time by us.
print >> sbuf, "FAIL"
def dumpSessionInfo(self):
"""
Dump the debugger interactions leading to a test error/failure. This
allows for more convenient postmortem analysis.
"""
for test, err in lldb.test_result.errors:
if test is self:
print >> self.session, err
for test, err in lldb.test_result.failures:
if test is self:
print >> self.session, err
dname = os.path.join(os.environ["LLDB_TEST"],
os.environ["LLDB_SESSION_DIRNAME"])
if not os.path.isdir(dname):
os.mkdir(dname)
fname = os.path.join(dname, "%s.log" % self.id())
with open(fname, "w") as f:
import datetime
print >> f, "Session info generated @", datetime.datetime.now().ctime()
print >> f, self.session.getvalue()
def setTearDownCleanup(self, dictionary=None):
"""Register a cleanup action at tearDown() time with a dictinary"""
self.dict = dictionary
self.doTearDownCleanup = True
def addTearDownHook(self, hook):
"""
Add a function to be run during tearDown() time.
Hooks are executed in a first come first serve manner.
"""
if callable(hook):
with recording(self, traceAlways) as sbuf:
import inspect
print >> sbuf, "Adding tearDown hook:", inspect.getsource(hook)
self.hooks.append(hook)
def tearDown(self):
#import traceback
#traceback.print_stack()
# Check and run any hook functions.
for hook in self.hooks:
with recording(self, traceAlways) as sbuf:
import inspect
print >> sbuf, "Executing tearDown hook:", inspect.getsource(hook)
hook()
# Terminate the current process being debugged, if any.
if self.runStarted:
self.runCmd("process kill", PROCESS_KILLED, check=False)
elif self.process and self.process.IsValid():
rc = self.invoke(self.process, "Kill")
self.assertTrue(rc.Success(), PROCESS_KILLED)
del self.process
del self.dbg
del self.hooks
# Perform registered teardown cleanup.
if doCleanup and self.doTearDownCleanup:
module = __import__(sys.platform)
if not module.cleanup(self, dictionary=self.dict):
raise Exception("Don't know how to do cleanup")
# See also LLDBTestResult (dotest.py) which is a singlton class derived
# from TextTestResult and overwrites addError()/addFailure() methods to
# allow us to to check the error/failure status here.
if self.__errored__ or self.__failed__:
self.dumpSessionInfo()
def runCmd(self, cmd, msg=None, check=True, trace=False, setCookie=True):
"""
Ask the command interpreter to handle the command and then check its
return status.
"""
# Fail fast if 'cmd' is not meaningful.
if not cmd or len(cmd) == 0:
raise Exception("Bad 'cmd' parameter encountered")
trace = (True if traceAlways else trace)
running = (cmd.startswith("run") or cmd.startswith("process launch"))
for i in range(self.maxLaunchCount if running else 1):
self.ci.HandleCommand(cmd, self.res)
with recording(self, trace) as sbuf:
print >> sbuf, "runCmd:", cmd
if not check:
print >> sbuf, "check of return status not required"
if self.res.Succeeded():
print >> sbuf, "output:", self.res.GetOutput()
else:
print >> sbuf, "runCmd failed!"
print >> sbuf, self.res.GetError()
if running:
# For process launch, wait some time before possible next try.
time.sleep(self.timeWait)
if self.res.Succeeded():
break
elif running:
with recording(self, True) as sbuf:
print >> sbuf, "Command '" + cmd + "' failed!"
# Modify runStarted only if "run" or "process launch" was encountered.
if running:
self.runStarted = running and setCookie
if check:
self.assertTrue(self.res.Succeeded(),
msg if msg else CMD_MSG(cmd, True))
def expect(self, str, msg=None, patterns=None, startstr=None, substrs=None, trace=False, error=False, matching=True, exe=True):
"""
Similar to runCmd; with additional expect style output matching ability.
Ask the command interpreter to handle the command and then check its
return status. The 'msg' parameter specifies an informational assert
message. We expect the output from running the command to start with
'startstr', matches the substrings contained in 'substrs', and regexp
matches the patterns contained in 'patterns'.
If the keyword argument error is set to True, it signifies that the API
client is expecting the command to fail. In this case, the error stream
from running the command is retrieved and compared against the golden
input, instead.
If the keyword argument matching is set to False, it signifies that the API
client is expecting the output of the command not to match the golden
input.
Finally, the required argument 'str' represents the lldb command to be
sent to the command interpreter. In case the keyword argument 'exe' is
set to False, the 'str' is treated as a string to be matched/not-matched
against the golden input.
"""
trace = (True if traceAlways else trace)
if exe:
# First run the command. If we are expecting error, set check=False.
# Pass the assert message along since it provides more semantic info.
self.runCmd(str, msg=msg, trace = (True if trace else False), check = not error)
# Then compare the output against expected strings.
output = self.res.GetError() if error else self.res.GetOutput()
# If error is True, the API client expects the command to fail!
if error:
self.assertFalse(self.res.Succeeded(),
"Command '" + str + "' is expected to fail!")
else:
# No execution required, just compare str against the golden input.
output = str
with recording(self, trace) as sbuf:
print >> sbuf, "looking at:", output
# The heading says either "Expecting" or "Not expecting".
heading = "Expecting" if matching else "Not expecting"
# Start from the startstr, if specified.
# If there's no startstr, set the initial state appropriately.
matched = output.startswith(startstr) if startstr else (True if matching else False)
if startstr:
with recording(self, trace) as sbuf:
print >> sbuf, "%s start string: %s" % (heading, startstr)
print >> sbuf, "Matched" if matched else "Not matched"
# Look for sub strings, if specified.
keepgoing = matched if matching else not matched
if substrs and keepgoing:
for str in substrs:
matched = output.find(str) != -1
with recording(self, trace) as sbuf:
print >> sbuf, "%s sub string: %s" % (heading, str)
print >> sbuf, "Matched" if matched else "Not matched"
keepgoing = matched if matching else not matched
if not keepgoing:
break
# Search for regular expression patterns, if specified.
keepgoing = matched if matching else not matched
if patterns and keepgoing:
for pattern in patterns:
# Match Objects always have a boolean value of True.
matched = bool(re.search(pattern, output))
with recording(self, trace) as sbuf:
print >> sbuf, "%s pattern: %s" % (heading, pattern)
print >> sbuf, "Matched" if matched else "Not matched"
keepgoing = matched if matching else not matched
if not keepgoing:
break
self.assertTrue(matched if matching else not matched,
msg if msg else CMD_MSG(str, exe))
def invoke(self, obj, name, trace=False):
"""Use reflection to call a method dynamically with no argument."""
trace = (True if traceAlways else trace)
method = getattr(obj, name)
import inspect
self.assertTrue(inspect.ismethod(method),
name + "is a method name of object: " + str(obj))
result = method()
with recording(self, trace) as sbuf:
print >> sbuf, str(method) + ":", result
return result
def breakAfterLaunch(self, process, func, trace=False):
"""
Perform some dancees after LaunchProcess() to break at func name.
Return True if we can successfully break at the func name in due time.
"""
trace = (True if traceAlways else trace)
count = 0
while True:
# The stop reason of the thread should be breakpoint.
thread = process.GetThreadAtIndex(0)
SR = thread.GetStopReason()
with recording(self, trace) as sbuf:
print >> sbuf, "StopReason =", StopReasonString(SR)
if SR == StopReasonEnum("Breakpoint"):
frame = thread.GetFrameAtIndex(0)
name = frame.GetFunction().GetName()
with recording(self, trace) as sbuf:
print >> sbuf, "function =", name
if (name == func):
# We got what we want; now break out of the loop.
return True
# The inferior is in a transient state; continue the process.
time.sleep(1.0)
with recording(self, trace) as sbuf:
print >> sbuf, "Continuing the process:", process
process.Continue()
count = count + 1
if count == 15:
with recording(self, trace) as sbuf:
print >> sbuf, "Reached 15 iterations, giving up..."
# Enough iterations already, break out of the loop.
return False
# End of while loop.
def buildDefault(self, architecture=None, compiler=None, dictionary=None):
"""Platform specific way to build the default binaries."""
module = __import__(sys.platform)
if not module.buildDefault(self, architecture, compiler, dictionary):
raise Exception("Don't know how to build default binary")
def buildDsym(self, architecture=None, compiler=None, dictionary=None):
"""Platform specific way to build binaries with dsym info."""
module = __import__(sys.platform)
if not module.buildDsym(self, architecture, compiler, dictionary):
raise Exception("Don't know how to build binary with dsym")
def buildDwarf(self, architecture=None, compiler=None, dictionary=None):
"""Platform specific way to build binaries with dwarf maps."""
module = __import__(sys.platform)
if not module.buildDwarf(self, architecture, compiler, dictionary):
raise Exception("Don't know how to build binary with dwarf")
def DebugSBValue(self, frame, val):
"""Debug print a SBValue object, if traceAlways is True."""
if not traceAlways:
return
err = sys.stderr
err.write(val.GetName() + ":\n")
err.write('\t' + "TypeName -> " + val.GetTypeName() + '\n')
err.write('\t' + "ByteSize -> " + str(val.GetByteSize()) + '\n')
err.write('\t' + "NumChildren -> " + str(val.GetNumChildren()) + '\n')
err.write('\t' + "Value -> " + str(val.GetValue(frame)) + '\n')
err.write('\t' + "Summary -> " + str(val.GetSummary(frame)) + '\n')
err.write('\t' + "IsPointerType -> " + str(val.TypeIsPointerType()) + '\n')
err.write('\t' + "Location -> " + val.GetLocation(frame) + '\n')
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