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"""
Testlldb Python SBFrame APIs IsInlined() and GetFunctionName().
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class InlinedFrameAPITestCase(TestBase):
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to of function 'c'.
self.source = "inlines.c"
self.first_stop = line_number(
self.source, "// This should correspond to the first break stop."
)
self.second_stop = line_number(
self.source, "// This should correspond to the second break stop."
)
def test_stop_at_outer_inline(self):
"""Exercise SBFrame.IsInlined() and SBFrame.GetFunctionName()."""
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 by the name of 'inner_inline'.
breakpoint = target.BreakpointCreateByName("inner_inline", "a.out")
self.trace("breakpoint:", breakpoint)
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())
process = target.GetProcess()
self.assertState(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
import lldbsuite.test.lldbutil as lldbutil
stack_traces1 = lldbutil.print_stacktraces(process, string_buffer=True)
if self.TraceOn():
print(
"Full stack traces when first stopped on the breakpoint 'inner_inline':"
)
print(stack_traces1)
# The first breakpoint should correspond to an inlined call frame.
# If it's an inlined call frame, expect to find, in the stack trace,
# that there is a frame which corresponds to the following call site:
#
# outer_inline (argc);
#
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertIsNotNone(thread)
frame0 = thread.GetFrameAtIndex(0)
if frame0.IsInlined():
filename = frame0.GetLineEntry().GetFileSpec().GetFilename()
self.assertEqual(filename, self.source)
self.expect(
stack_traces1,
"First stop at %s:%d" % (self.source, self.first_stop),
exe=False,
substrs=["%s:%d" % (self.source, self.first_stop)],
)
# Expect to break again for the second time.
process.Continue()
self.assertState(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
stack_traces2 = lldbutil.print_stacktraces(process, string_buffer=True)
if self.TraceOn():
print(
"Full stack traces when stopped on the breakpoint 'inner_inline' for the second time:"
)
print(stack_traces2)
self.expect(
stack_traces2,
"Second stop at %s:%d" % (self.source, self.second_stop),
exe=False,
substrs=["%s:%d" % (self.source, self.second_stop)],
)
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