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"""
Test SBprocess and SBThread APIs with printing of the stack traces using lldbutil.
"""
from __future__ import print_function
import os
import time
import re
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
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.')
# We are unable to produce a backtrace of the main thread when the thread
# is blocked in fgets
@expectedFailureAll("llvm.org/pr23043", ["linux"], archs=["i386"])
# The __thread_start function in libc doesn't contain any epilogue and prologue instructions
# hence unwinding fail when we are stopped in __thread_start
@expectedFailureAll(triple='mips*')
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
@expectedFlakeyAndroid("llvm.org/26492", archs=["arm"])
@expectedFlakeyLinux("llvm.org/pr27687")
@add_test_categories(['pyapi'])
def test_stack_traces(self):
"""Test SBprocess and SBThread APIs with printing of the stack traces."""
self.build()
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 lldbsuite.test.lldbutil as 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'])
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