4cc8f2a017
Eliminate boilerplate of having each test manually assign to `mydir` by calling `compute_mydir` in lldbtest.py. Differential Revision: https://reviews.llvm.org/D128077
47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
"""
|
|
Test that we can backtrace correctly when AArch64 PAC is enabled
|
|
"""
|
|
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
|
|
class AArch64UnwindPAC(TestBase):
|
|
|
|
@skipIf(archs=no_match(["aarch64"]))
|
|
@skipIf(oslist=no_match(['linux']))
|
|
def test(self):
|
|
"""Test that we can backtrace correctly when AArch64 PAC is enabled"""
|
|
if not self.isAArch64PAuth():
|
|
self.skipTest('Target must support Pointer Authentication.')
|
|
|
|
self.build()
|
|
|
|
self.line = line_number('main.c', '// Frame func_c')
|
|
|
|
exe = self.getBuildArtifact("a.out")
|
|
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
|
|
|
|
lldbutil.run_break_set_by_file_and_line(
|
|
self, "main.c", self.line, num_expected_locations=1)
|
|
self.runCmd("run", RUN_SUCCEEDED)
|
|
self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
|
|
substrs=["stop reason = breakpoint 1."])
|
|
|
|
target = self.dbg.GetSelectedTarget()
|
|
process = target.GetProcess()
|
|
thread = process.GetThreadAtIndex(0)
|
|
|
|
backtrace = ["func_c", "func_b", "func_a", "main", "__libc_start_main", "_start"]
|
|
self.assertEqual(thread.GetNumFrames(), len(backtrace))
|
|
for frame_idx, frame in enumerate(thread.frames):
|
|
frame = thread.GetFrameAtIndex(frame_idx)
|
|
self.assertTrue(frame)
|
|
self.assertEqual(frame.GetFunctionName(), backtrace[frame_idx])
|
|
# Check line number for functions in main.c
|
|
if (frame_idx < 4):
|
|
self.assertEqual(frame.GetLineEntry().GetLine(),
|
|
line_number("main.c", "Frame " + backtrace[frame_idx]))
|