mirror of
https://github.com/Gericom/teak-llvm.git
synced 2025-06-19 19:45:40 -04:00
ddf044290e
Summary: This just adds `NO_DEBUG_INFO_TESTCASE` to tests that don't really exercise anything debug information specific and therefore don't need to be rerun for all debug information variants. Reviewers: labath, jingham, aprantl, mib, jfb Reviewed By: aprantl Subscribers: dexonsmith, JDevlieghere, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D72447
107 lines
3.5 KiB
Python
107 lines
3.5 KiB
Python
"""
|
|
Use lldb Python SBValue API to create a watchpoint for read_write of 'globl' var.
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
|
|
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
|
|
class SetWatchpointAPITestCase(TestBase):
|
|
|
|
mydir = TestBase.compute_mydir(__file__)
|
|
NO_DEBUG_INFO_TESTCASE = True
|
|
|
|
def setUp(self):
|
|
# Call super's setUp().
|
|
TestBase.setUp(self)
|
|
# Our simple source filename.
|
|
self.source = 'main.c'
|
|
# Find the line number to break inside main().
|
|
self.line = line_number(
|
|
self.source, '// Set break point at this line.')
|
|
|
|
@add_test_categories(['pyapi'])
|
|
# Read-write watchpoints not supported on SystemZ
|
|
@expectedFailureAll(archs=['s390x'])
|
|
def test_watch_val(self):
|
|
"""Exercise SBValue.Watch() API to set a watchpoint."""
|
|
self.build()
|
|
exe = self.getBuildArtifact("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.
|
|
breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
|
|
self.assertTrue(breakpoint and
|
|
breakpoint.GetNumLocations() == 1,
|
|
VALID_BREAKPOINT)
|
|
|
|
# Now launch the process, and do not stop at the entry point.
|
|
process = target.LaunchSimple(
|
|
None, None, self.get_process_working_directory())
|
|
|
|
# We should be stopped due to the breakpoint. Get frame #0.
|
|
process = target.GetProcess()
|
|
self.assertTrue(process.GetState() == lldb.eStateStopped,
|
|
PROCESS_STOPPED)
|
|
thread = lldbutil.get_stopped_thread(
|
|
process, lldb.eStopReasonBreakpoint)
|
|
frame0 = thread.GetFrameAtIndex(0)
|
|
|
|
# Watch 'global' for read and write.
|
|
value = frame0.FindValue('global', lldb.eValueTypeVariableGlobal)
|
|
error = lldb.SBError()
|
|
watchpoint = value.Watch(True, True, True, error)
|
|
self.assertTrue(value and watchpoint,
|
|
"Successfully found the variable and set a watchpoint")
|
|
self.DebugSBValue(value)
|
|
|
|
# Hide stdout if not running with '-t' option.
|
|
if not self.TraceOn():
|
|
self.HideStdout()
|
|
|
|
print(watchpoint)
|
|
|
|
# Continue. Expect the program to stop due to the variable being
|
|
# written to.
|
|
process.Continue()
|
|
|
|
if (self.TraceOn()):
|
|
lldbutil.print_stacktraces(process)
|
|
|
|
thread = lldbutil.get_stopped_thread(
|
|
process, lldb.eStopReasonWatchpoint)
|
|
self.assertTrue(thread, "The thread stopped due to watchpoint")
|
|
self.DebugSBValue(value)
|
|
|
|
# Continue. Expect the program to stop due to the variable being read
|
|
# from.
|
|
process.Continue()
|
|
|
|
if (self.TraceOn()):
|
|
lldbutil.print_stacktraces(process)
|
|
|
|
thread = lldbutil.get_stopped_thread(
|
|
process, lldb.eStopReasonWatchpoint)
|
|
self.assertTrue(thread, "The thread stopped due to watchpoint")
|
|
self.DebugSBValue(value)
|
|
|
|
# Continue the process. We don't expect the program to be stopped
|
|
# again.
|
|
process.Continue()
|
|
|
|
# At this point, the inferior process should have exited.
|
|
self.assertTrue(
|
|
process.GetState() == lldb.eStateExited,
|
|
PROCESS_EXITED)
|
|
|
|
self.dbg.DeleteTarget(target)
|
|
self.assertFalse(watchpoint.IsValid())
|