119 lines
4.4 KiB
Python
119 lines
4.4 KiB
Python
"""Show global variables and check that they do indeed have global scopes."""
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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 GlobalVariablesTestCase(TestBase):
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to break inside main().
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self.source = 'main.c'
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self.line = line_number(
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self.source, '// Set break point at this line.')
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self.shlib_names = ["a"]
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@skipIfDarwin # Chained Fixups
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@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
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def test_without_process(self):
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"""Test that static initialized variables can be inspected without
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process."""
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self.build()
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
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self.assertTrue(target, VALID_TARGET)
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self.expect("target variable g_ptr", VARIABLES_DISPLAYED_CORRECTLY,
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substrs=['(int *)'])
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self.expect("target variable *g_ptr", VARIABLES_DISPLAYED_CORRECTLY,
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substrs=['42'])
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@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
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def test_c_global_variables(self):
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"""Test 'frame variable --scope --no-args' which omits args and shows scopes."""
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self.build()
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
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self.assertTrue(target, VALID_TARGET)
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# Break inside the main.
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lldbutil.run_break_set_by_file_and_line(
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self, self.source, self.line, num_expected_locations=1, loc_exact=True)
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# Register our shared libraries for remote targets so they get
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# automatically uploaded
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environment = self.registerSharedLibrariesWithTarget(
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target, self.shlib_names)
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# Now launch the process, and do not stop at entry point.
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process = target.LaunchSimple(
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None, environment, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs=['stopped',
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'stop reason = breakpoint'])
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# The breakpoint should have a hit count of 1.
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lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
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# Test that the statically initialized variable can also be
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# inspected *with* a process.
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self.expect("target variable g_ptr", VARIABLES_DISPLAYED_CORRECTLY,
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substrs=['(int *)'])
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self.expect("target variable *g_ptr", VARIABLES_DISPLAYED_CORRECTLY,
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substrs=['42'])
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# Check that GLOBAL scopes are indicated for the variables.
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self.expect(
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"frame variable --show-types --scope --show-globals --no-args",
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VARIABLES_DISPLAYED_CORRECTLY,
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ordered=False,
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substrs=[
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'STATIC: (const char *) g_func_static_cstr',
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'"g_func_static_cstr"',
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'GLOBAL: (int *) g_ptr',
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'STATIC: (const int) g_file_static_int = 2',
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'GLOBAL: (int) g_common_1 = 21',
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'GLOBAL: (int) g_file_global_int = 42',
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'STATIC: (const char *) g_file_static_cstr',
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'"g_file_static_cstr"',
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'GLOBAL: (const char *) g_file_global_cstr',
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'"g_file_global_cstr"',
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])
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# 'frame variable' should support address-of operator.
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self.runCmd("frame variable &g_file_global_int")
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# Exercise the 'target variable' command to display globals in a.c
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# file.
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self.expect("target variable g_a", VARIABLES_DISPLAYED_CORRECTLY,
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substrs=['g_a', '123'])
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self.expect(
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"target variable g_marked_spot.x",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'g_marked_spot.x',
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'20'])
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self.expect(
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"target variable g_marked_spot.y",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'g_marked_spot.y',
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'21'])
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self.expect(
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"target variable g_marked_spot.y",
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VARIABLES_DISPLAYED_CORRECTLY,
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matching=False,
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substrs=["can't be resolved"])
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