93 lines
3.3 KiB
Python
93 lines
3.3 KiB
Python
"""
|
|
Test my first lldb watchpoint.
|
|
"""
|
|
|
|
|
|
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
|
|
class HelloWatchpointTestCase(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.')
|
|
# And the watchpoint variable declaration line number.
|
|
self.decl = line_number(self.source,
|
|
'// Watchpoint variable declaration.')
|
|
self.exe_name = self.getBuildArtifact('a.out')
|
|
self.d = {'C_SOURCES': self.source, 'EXE': self.exe_name}
|
|
|
|
@add_test_categories(["basic_process"])
|
|
def test_hello_watchpoint_using_watchpoint_set(self):
|
|
"""Test a simple sequence of watchpoint creation and watchpoint hit."""
|
|
self.build(dictionary=self.d)
|
|
self.setTearDownCleanup(dictionary=self.d)
|
|
|
|
exe = self.getBuildArtifact(self.exe_name)
|
|
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
|
|
|
|
# Add a breakpoint to set a watchpoint when stopped on the breakpoint.
|
|
lldbutil.run_break_set_by_file_and_line(
|
|
self, None, self.line, num_expected_locations=1)
|
|
|
|
# Run the program.
|
|
self.runCmd("run", RUN_SUCCEEDED)
|
|
|
|
# We should be stopped again due to the breakpoint.
|
|
# The stop reason of the thread should be breakpoint.
|
|
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
|
|
substrs=['stopped',
|
|
'stop reason = breakpoint'])
|
|
|
|
# Now let's set a write-type watchpoint for 'global'.
|
|
# There should be only one watchpoint hit (see main.c).
|
|
self.expect(
|
|
"watchpoint set variable -w write global",
|
|
WATCHPOINT_CREATED,
|
|
substrs=[
|
|
'Watchpoint created',
|
|
'size = 4',
|
|
'type = w',
|
|
'%s:%d' %
|
|
(self.source,
|
|
self.decl)])
|
|
|
|
# Use the '-v' option to do verbose listing of the watchpoint.
|
|
# The hit count should be 0 initially.
|
|
self.expect("watchpoint list -v",
|
|
substrs=['hit_count = 0'])
|
|
|
|
self.runCmd("process continue")
|
|
|
|
# We should be stopped again due to the watchpoint (write type), but
|
|
# only once. The stop reason of the thread should be watchpoint.
|
|
self.expect("thread list", STOPPED_DUE_TO_WATCHPOINT,
|
|
substrs=['stopped',
|
|
'stop reason = watchpoint'])
|
|
|
|
self.runCmd("process continue")
|
|
|
|
# Don't expect the read of 'global' to trigger a stop exception.
|
|
process = self.dbg.GetSelectedTarget().GetProcess()
|
|
if process.GetState() == lldb.eStateStopped:
|
|
self.assertFalse(
|
|
lldbutil.get_stopped_thread(
|
|
process, lldb.eStopReasonWatchpoint))
|
|
|
|
# Use the '-v' option to do verbose listing of the watchpoint.
|
|
# The hit count should now be 1.
|
|
self.expect("watchpoint list -v",
|
|
substrs=['hit_count = 1'])
|