hanchenye-llvm-project/lldb/test/python_api/lldbutil/process/TestPrintStackTraces.py

60 lines
2.0 KiB
Python

"""
Test SBprocess and SBThread APIs with printing of the stack traces using lldbutil.
"""
import os, time
import re
import unittest2
import lldb
from lldbtest import *
class ThreadsStackTracesTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number('main.cpp', '// Set break point at this line.')
@expectedFailureLinux # llvm.org/pr15415 -- partial stack trace in thread 1 (while stopped inside a read() call)
@python_api_test
def test_stack_traces(self):
"""Test SBprocess and SBThread APIs with printing of the stack traces."""
self.buildDefault()
self.break_and_print_stacktraces()
def break_and_print_stacktraces(self):
"""Break at main.cpp:68 and do a threads dump"""
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
breakpoint = target.BreakpointCreateByLocation("main.cpp", self.line)
self.assertTrue(breakpoint, VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple (["abc", "xyz"], None, self.get_process_working_directory())
if not process:
self.fail("SBTarget.LaunchProcess() failed")
import lldbutil
if process.GetState() != lldb.eStateStopped:
self.fail("Process should be in the 'stopped' state, "
"instead the actual state is: '%s'" %
lldbutil.state_type_to_str(process.GetState()))
stacktraces = lldbutil.print_stacktraces(process, string_buffer=True)
self.expect(stacktraces, exe=False,
substrs = ['(int)argc=3'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()