llvm-project/lldb/test/python_api/function_symbol/TestSymbolAPI.py

95 lines
3.8 KiB
Python

"""
Test newly added SBSymbol and SBAddress APIs.
"""
import os, time
import re
import unittest2
import lldb, lldbutil
from lldbtest import *
class SymbolAPITestCase(TestBase):
mydir = os.path.join("python_api", "function_symbol")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@python_api_test
def test_with_dsym(self):
"""Exercise some SBSymbol and SBAddress APIs."""
self.buildDsym()
self.symbol_and_address_api()
@python_api_test
def test_with_dwarf(self):
"""Exercise some SBSymbol and SBAddress APIs."""
self.buildDwarf()
self.symbol_and_address_api()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to of function 'c'.
self.line1 = line_number('main.c', '// Find the line number for breakpoint 1 here.')
self.line2 = line_number('main.c', '// Find the line number for breakpoint 2 here.')
def symbol_and_address_api(self):
"""Exercise some SBSymbol and SBAddress APIs."""
exe = os.path.join(os.getcwd(), "a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Now create the two breakpoints inside function 'a'.
breakpoint1 = target.BreakpointCreateByLocation('main.c', self.line1)
breakpoint2 = target.BreakpointCreateByLocation('main.c', self.line2)
#print "breakpoint1:", breakpoint1
#print "breakpoint2:", breakpoint2
self.assertTrue(breakpoint1 and
breakpoint1.GetNumLocations() == 1,
VALID_BREAKPOINT)
self.assertTrue(breakpoint2 and
breakpoint2.GetNumLocations() == 1,
VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(None, None, os.getcwd())
self.assertTrue(process, PROCESS_IS_VALID)
# Frame #0 should be on self.line1.
self.assertTrue(process.GetState() == lldb.eStateStopped)
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition")
frame0 = thread.GetFrameAtIndex(0)
symbol_line1 = frame0.GetSymbol()
# We should have a symbol type of code.
self.assertTrue(symbol_line1.GetType() == lldb.eSymbolTypeCode)
addr_line1 = symbol_line1.GetStartAddress()
# And a section type of code, too.
self.assertTrue(addr_line1.GetSection().GetSectionType() == lldb.eSectionTypeCode)
# Continue the inferior, the breakpoint 2 should be hit.
process.Continue()
self.assertTrue(process.GetState() == lldb.eStateStopped)
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition")
frame0 = thread.GetFrameAtIndex(0)
symbol_line2 = frame0.GetSymbol()
# We should have a symbol type of code.
self.assertTrue(symbol_line2.GetType() == lldb.eSymbolTypeCode)
addr_line2 = symbol_line2.GetStartAddress()
# And a section type of code, too.
self.assertTrue(addr_line2.GetSection().GetSectionType() == lldb.eSectionTypeCode)
# Now verify that both addresses point to the same module.
if self.TraceOn():
print "UUID:", addr_line1.GetModule().GetUUIDString()
self.assertTrue(addr_line1.GetModule().GetUUIDString() == addr_line2.GetModule().GetUUIDString())
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()