forked from OSchip/llvm-project
86 lines
3.4 KiB
Python
86 lines
3.4 KiB
Python
"""Show global variables and check that they do indeed have global scopes."""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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class GlobalVariablesTestCase(TestBase):
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mydir = os.path.join("lang", "c", "global_variables")
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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def test_with_dsym(self):
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"""Test 'frame variable -s -a' which omits args and shows scopes."""
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self.buildDsym()
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self.global_variables()
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@dwarf_test
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def test_with_dwarf(self):
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"""Test 'frame variable -s -a' which omits args and shows scopes."""
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self.buildDwarf()
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self.global_variables()
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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.line = line_number('main.c', '// Set break point at this line.')
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def global_variables(self):
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"""Test 'frame variable -s -a' which omits args and shows scopes."""
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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Break inside the main.
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self.expect("breakpoint set -f main.c -l %d" % self.line,
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BREAKPOINT_CREATED,
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startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" %
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self.line)
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self.runCmd("run", RUN_SUCCEEDED)
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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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self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
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substrs = [' resolved, hit count = 1'])
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# Check that GLOBAL scopes are indicated for the variables.
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self.expect("frame variable -T -s -g -a", VARIABLES_DISPLAYED_CORRECTLY,
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substrs = ['GLOBAL: (int) g_file_global_int = 42',
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'GLOBAL: (const char *) g_file_global_cstr',
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'"g_file_global_cstr"',
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'STATIC: (const char *) g_file_static_cstr',
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'"g_file_static_cstr"',
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'GLOBAL: (int) g_common_1 = 21'])
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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 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("target variable g_marked_spot.x", VARIABLES_DISPLAYED_CORRECTLY,
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substrs = ['g_marked_spot.x', '20'])
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# rdar://problem/9747668
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# runCmd: target variable g_marked_spot.y
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# output: (int) g_marked_spot.y = <a.o[0x214] can't be resolved, in not currently loaded.
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# >
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self.expect("target variable g_marked_spot.y", VARIABLES_DISPLAYED_CORRECTLY,
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substrs = ['g_marked_spot.y', '21'])
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self.expect("target variable g_marked_spot.y", VARIABLES_DISPLAYED_CORRECTLY, matching=False,
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substrs = ["can't be resolved"])
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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