107 lines
4.1 KiB
Python
107 lines
4.1 KiB
Python
"""
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Test the 'memory read' command.
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"""
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import os, time
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import re
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import unittest2
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import lldb
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from lldbtest import *
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import lldbutil
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class MemoryReadTestCase(TestBase):
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mydir = os.path.join("functionalities", "memory", "read")
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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def test_memory_read_with_dsym(self):
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"""Test the 'memory read' command with plain and vector formats."""
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self.buildDsym()
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self.memory_read_command()
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@dwarf_test
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def test_memory_read_with_dwarf(self):
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"""Test the 'memory read' command with plain and vector formats."""
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self.buildDwarf()
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self.memory_read_command()
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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.cpp', '// Set break point at this line.')
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def memory_read_command(self):
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"""Test the 'memory read' command with plain and vector formats."""
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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 in main() aftre the variables are assigned values.
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
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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', '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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# Test the memory read commands.
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# (lldb) memory read -f d -c 1 `&argc`
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# 0x7fff5fbff9a0: 1
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self.runCmd("memory read -f d -c 1 `&argc`")
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# Find the starting address for variable 'argc' to verify later that the
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# '--format uint32_t[] --size 4 --count 4' option increments the address
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# correctly.
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line = self.res.GetOutput().splitlines()[0]
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items = line.split(':')
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address = int(items[0], 0)
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argc = int(items[1], 0)
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self.assertTrue(address > 0 and argc == 1)
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# (lldb) memory read --format uint32_t[] --size 4 --count 4 `&argc`
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# 0x7fff5fbff9a0: {0x00000001}
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# 0x7fff5fbff9a4: {0x00000000}
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# 0x7fff5fbff9a8: {0x0ec0bf27}
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# 0x7fff5fbff9ac: {0x215db505}
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self.runCmd("memory read --format uint32_t[] --size 4 --count 4 `&argc`")
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lines = self.res.GetOutput().splitlines()
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for i in range(4):
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if i == 0:
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# Verify that the printout for argc is correct.
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self.assertTrue(argc == int(lines[i].split(':')[1].strip(' {}'), 0))
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addr = int(lines[i].split(':')[0], 0)
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# Verify that the printout for addr is incremented correctly.
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self.assertTrue(addr == (address + i*4))
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# (lldb) memory read --format char[] --size 7 --count 1 `&my_string`
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# 0x7fff5fbff990: {abcdefg}
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self.expect("memory read --format char[] --size 7 --count 1 `&my_string`",
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substrs = ['abcdefg'])
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# (lldb) memory read --format 'hex float' --size 16 `&argc`
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# 0x7fff5fbff5b0: error: unsupported byte size (16) for hex float format
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self.expect("memory read --format 'hex float' --size 16 `&argc`",
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substrs = ['unsupported byte size (16) for hex float format'])
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self.expect("memory read --format 'float' --count 1 --size 8 `&my_double`",
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substrs = ['1234.'])
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# (lldb) memory read --format 'float' --count 1 --size 20 `&my_double`
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# 0x7fff5fbff598: error: unsupported byte size (20) for float format
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self.expect("memory read --format 'float' --count 1 --size 20 `&my_double`",
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substrs = ['unsupported byte size (20) for float format'])
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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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