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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/gdb/tests/test-unwind.py
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
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Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/gdb/tests/test-unwind.py')
-rw-r--r--js/src/gdb/tests/test-unwind.py61
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diff --git a/js/src/gdb/tests/test-unwind.py b/js/src/gdb/tests/test-unwind.py
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+# Test the unwinder and the frame filter.
+# flake8: NOQA: F821
+import platform
+
+
+def do_unwinder_test():
+ # The unwinder is disabled by default for the moment. Turn it on to check
+ # that the unwinder works as expected.
+ import gdb
+
+ gdb.execute("enable unwinder .* SpiderMonkey")
+
+ run_fragment("unwind.simple", "Something")
+
+ first = True
+ # The unwinder is a bit flaky still but should at least be able to
+ # recognize one set of entry and exit frames. This also tests to
+ # make sure we didn't end up solely in the interpreter.
+ found_entry = False
+ found_exit = False
+ found_main = False
+ found_inner = False
+ found_outer = False
+ frames = list(gdb.frames.execute_frame_filters(gdb.newest_frame(), 0, -1))
+ for frame in frames:
+ print("examining " + frame.function())
+ if first:
+ assert_eq(frame.function().startswith("Something"), True)
+ first = False
+ elif frame.function() == "<<FrameType::Exit>>":
+ found_exit = True
+ elif frame.function() == "<<FrameType::CppToJSJit>>":
+ found_entry = True
+ elif frame.function() == "main":
+ found_main = True
+ elif "unwindFunctionInner" in frame.function():
+ found_inner = True
+ elif "unwindFunctionOuter" in frame.function():
+ found_outer = True
+
+ # Had to have found a frame.
+ assert_eq(first, False)
+ # Had to have found main.
+ assert_eq(found_main, True)
+ # Had to have found the entry and exit frames.
+ assert_eq(found_exit, True)
+ assert_eq(found_entry, True)
+ # Had to have found the names of the two JS functions.
+ assert_eq(found_inner, True)
+ assert_eq(found_outer, True)
+
+
+# Only on the right platforms.
+if platform.machine() == "x86_64" and platform.system() == "Linux":
+ # Only test when gdb has the unwinder feature.
+ try:
+ import gdb.unwinder # NOQA: F401
+
+ do_unwinder_test()
+ except Exception:
+ pass