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"""
Test lookup unnamed symbols.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
# --keep-symbol causes error on Windows: llvm-strip.exe: error: option is not supported for COFF
@skipIfWindows
# Unnamed symbols don't get into the .eh_frame section on ARM, so LLDB can't find them.
@skipIf(archs=["arm$"])
class TestUnnamedSymbolLookup(TestBase):
def test_unnamed_symbol_lookup(self):
"""Test looking up unnamed symbol synthetic name"""
self.build()
(target, process, thread, bkpt) = lldbutil.run_to_name_breakpoint(
self, "main", exe_name="a.out.stripped"
)
main_frame = thread.GetFrameAtIndex(0)
# Step until reaching the unnamed symbol called from main
for _ in range(100):
thread.StepInto()
if thread.GetFrameAtIndex(0) != main_frame:
break
thread.StepInto()
self.assertEqual(
main_frame, thread.GetFrameAtIndex(1), "Expected to be called from main"
)
symbol = thread.GetFrameAtIndex(0).GetSymbol()
self.assertIsNotNone(symbol, "unnamed symbol called from main not reached")
self.assertTrue(symbol.name.startswith("___lldb_unnamed_symbol"))
exe_module = symbol.GetStartAddress().GetModule()
found_symbols = exe_module.FindSymbols(symbol.name)
self.assertIsNotNone(found_symbols)
self.assertEqual(found_symbols.GetSize(), 1)
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