480f1a4980
Fix wrong assembly line number calculation that assumes the instruction size is `GetAddressByteSize() / 2` Fixes #136495
66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
"""
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Test lldb-dap stack trace containing x86 assembly
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"""
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import lldbdap_testcase
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from lldbsuite.test import lldbplatformutil
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from lldbsuite.test.decorators import skipUnlessArch, skipUnlessPlatform
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from lldbsuite.test.lldbtest import line_number
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class TestDAP_stacktrace_x86(lldbdap_testcase.DAPTestCaseBase):
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@skipUnlessArch("x86_64")
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@skipUnlessPlatform(["linux"] + lldbplatformutil.getDarwinOSTriples())
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def test_stacktrace_x86(self):
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"""
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Tests that lldb-dap steps through correctly and the source lines are correct in x86 assembly.
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"""
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program = self.getBuildArtifact("a.out")
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self.build_and_launch(
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program,
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initCommands=[
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"settings set target.process.thread.step-in-avoid-nodebug false"
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],
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)
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source = "main.c"
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breakpoint_ids = self.set_source_breakpoints(
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source,
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[line_number(source, "// Break here")],
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)
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self.continue_to_breakpoints(breakpoint_ids)
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self.stepIn()
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frame = self.get_stackFrames()[0]
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self.assertEqual(
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frame["name"],
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"no_branch_func",
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"verify we are in the no_branch_func function",
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)
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self.assertEqual(frame["line"], 1, "verify we are at the start of the function")
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minimum_assembly_lines = (
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line_number(source, "Assembly end")
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- line_number(source, "Assembly start")
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+ 1
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)
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self.assertLessEqual(
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10,
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minimum_assembly_lines,
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"verify we have a reasonable number of assembly lines",
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)
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for i in range(2, minimum_assembly_lines):
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self.stepIn()
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frame = self.get_stackFrames()[0]
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self.assertEqual(
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frame["name"],
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"no_branch_func",
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"verify we are still in the no_branch_func function",
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)
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self.assertEqual(
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frame["line"],
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i,
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f"step in should advance a single line in the function to {i}",
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)
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