Files
clang-p2996/lldb/test/API/functionalities/archives/TestBSDArchives.py
Kaining Zhong dc46ae6df5 [lldb] Add support to load object files from thin archives
This fixes https://github.com/llvm/llvm-project/issues/50114 where lldb/mac
can't load object files from thin archives.  This patch allows lldb to identify
thin archives, and load object files contained in them.

Differential Revision: https://reviews.llvm.org/D126464
2022-07-05 10:52:26 +02:00

68 lines
2.5 KiB
Python

"""Test breaking inside functions defined within a BSD archive file libfoo.a."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class BSDArchivesTestCase(TestBase):
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().')
# Doesn't depend on any specific debug information.
@no_debug_info_test
@expectedFailureAll(
oslist=["windows"],
bugnumber="llvm.org/pr24527. Makefile.rules doesn't know how to build static libs on Windows")
@expectedFailureAll(remote=True)
def test(self):
"""Break inside a() and b() defined within libfoo.a."""
self.build()
exe = self.getBuildArtifact("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_var_path("__a_global", type="int", value="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_var_path("__b_global", type="int", value="2")
# Test loading thin archives
archive_path = self.getBuildArtifact("libbar.a")
module_specs = lldb.SBModuleSpecList.GetModuleSpecifications(archive_path)
num_specs = module_specs.GetSize()
self.assertEqual(num_specs, 1)
self.assertEqual(module_specs.GetSpecAtIndex(0).GetObjectName(), "c.o")