llvm-project/lldb/test/functionalities/archives/TestBSDArchives.py

64 lines
2.3 KiB
Python

"""Test breaking inside functions defined within a BSD archive file libfoo.a."""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class BSDArchivesTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def test_with_dwarf(self):
"""Break inside a() and b() defined within libfoo.a."""
self.buildDwarf()
self.break_inside_bsd_archives()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number in a(int) to break at.
self.line = line_number('a.c', '// Set file and line breakpoint inside a().')
def break_inside_bsd_archives(self):
"""Break inside a() and b() defined within libfoo.a."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside a() by file and line first.
lldbutil.run_break_set_by_file_and_line (self, "a.c", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# Break at a(int) first.
self.expect("frame variable", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) arg = 1'])
self.expect("frame variable __a_global", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) __a_global = 1'])
# Set breakpoint for b() next.
lldbutil.run_break_set_by_symbol (self, "b", num_expected_locations=1, sym_exact=True)
# Continue the program, we should break at b(int) next.
self.runCmd("continue")
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
self.expect("frame variable", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) arg = 2'])
self.expect("frame variable __b_global", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) __b_global = 2'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()