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b9c1b51e45
*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
95 lines
2.9 KiB
Python
95 lines
2.9 KiB
Python
"""
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Test that we can backtrace correctly with 'sigtramp' functions on the stack
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"""
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from __future__ import print_function
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import os
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import time
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class SigtrampUnwind(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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# On different platforms the "_sigtramp" and "__kill" frames are likely to be different.
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# This test could probably be adapted to run on linux/*bsd easily enough.
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@skipUnlessDarwin
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def test(self):
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"""Test that we can backtrace correctly with _sigtramp on the stack"""
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self.build()
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self.setTearDownCleanup()
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exe = os.path.join(os.getcwd(), "a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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lldbutil.run_break_set_by_file_and_line(self, "main.c", line_number(
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'main.c', '// Set breakpoint here'), num_expected_locations=1)
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process = target.LaunchSimple(
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None, None, self.get_process_working_directory())
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if not process:
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self.fail("SBTarget.Launch() failed")
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if process.GetState() != lldb.eStateStopped:
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self.fail("Process should be in the 'stopped' state, "
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"instead the actual state is: '%s'" %
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lldbutil.state_type_to_str(process.GetState()))
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self.expect(
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"pro handle -n false -p true -s false SIGUSR1",
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"Have lldb pass SIGUSR1 signals",
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substrs=[
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"SIGUSR1",
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"true",
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"false",
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"false"])
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lldbutil.run_break_set_by_symbol(
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self,
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"handler",
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num_expected_locations=1,
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module_name="a.out")
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self.runCmd("continue")
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thread = process.GetThreadAtIndex(0)
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found_handler = False
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found_sigtramp = False
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found_kill = False
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found_main = False
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for f in thread.frames:
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if f.GetFunctionName() == "handler":
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found_handler = True
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if f.GetFunctionName() == "_sigtramp":
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found_sigtramp = True
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if f.GetFunctionName() == "__kill":
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found_kill = True
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if f.GetFunctionName() == "main":
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found_main = True
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if self.TraceOn():
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print("Backtrace once we're stopped:")
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for f in thread.frames:
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print(" %d %s" % (f.GetFrameID(), f.GetFunctionName()))
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if not found_handler:
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self.fail("Unable to find handler() in backtrace.")
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if not found_sigtramp:
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self.fail("Unable to find _sigtramp() in backtrace.")
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if not found_kill:
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self.fail("Unable to find kill() in backtrace.")
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if not found_main:
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self.fail("Unable to find main() in backtrace.")
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