202 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			202 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			Python
		
	
	
	
"""
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Test some target commands: create, list, select, variable.
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"""
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from __future__ import print_function
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import lldb
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import sys
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from lldbsuite.test.lldbtest import *
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import lldbsuite.test.lldbutil as lldbutil
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class targetCommandTestCase(TestBase):
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    mydir = TestBase.compute_mydir(__file__)
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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 numbers for our breakpoints.
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        self.line_b = line_number('b.c', '// Set break point at this line.')
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        self.line_c = line_number('c.c', '// Set break point at this line.')
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    def test_target_command(self):
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        """Test some target commands: create, list, select."""
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        da = {'C_SOURCES': 'a.c', 'EXE': 'a.out'}
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        self.build(dictionary=da)
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        self.addTearDownCleanup(dictionary=da)
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        db = {'C_SOURCES': 'b.c', 'EXE': 'b.out'}
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        self.build(dictionary=db)
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        self.addTearDownCleanup(dictionary=db)
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        dc = {'C_SOURCES': 'c.c', 'EXE': 'c.out'}
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        self.build(dictionary=dc)
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        self.addTearDownCleanup(dictionary=dc)
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        self.do_target_command()
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    # rdar://problem/9763907
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    # 'target variable' command fails if the target program has been run
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    @expectedFailureAndroid(archs=['aarch64'])
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    def test_target_variable_command(self):
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        """Test 'target variable' command before and after starting the inferior."""
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        d = {'C_SOURCES': 'globals.c', 'EXE': 'globals'}
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        self.build(dictionary=d)
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        self.addTearDownCleanup(dictionary=d)
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        self.do_target_variable_command('globals')
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    @expectedFailureAndroid(archs=['aarch64'])
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    def test_target_variable_command_no_fail(self):
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        """Test 'target variable' command before and after starting the inferior."""
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        d = {'C_SOURCES': 'globals.c', 'EXE': 'globals'}
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        self.build(dictionary=d)
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        self.addTearDownCleanup(dictionary=d)
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        self.do_target_variable_command_no_fail('globals')
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    def do_target_command(self):
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        """Exercise 'target create', 'target list', 'target select' commands."""
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        exe_a = os.path.join(os.getcwd(), "a.out")
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        exe_b = os.path.join(os.getcwd(), "b.out")
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        exe_c = os.path.join(os.getcwd(), "c.out")
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        self.runCmd("target list")
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        output = self.res.GetOutput()
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        if output.startswith("No targets"):
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            # We start from index 0.
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            base = 0
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        else:
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            # Find the largest index of the existing list.
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            import re
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            pattern = re.compile("target #(\d+):")
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            for line in reversed(output.split(os.linesep)):
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                match = pattern.search(line)
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                if match:
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                    # We will start from (index + 1) ....
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                    base = int(match.group(1), 10) + 1
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                    #print("base is:", base)
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                    break;
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        self.runCmd("target create " + exe_a, CURRENT_EXECUTABLE_SET)
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        self.runCmd("run", RUN_SUCCEEDED)
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        self.runCmd("target create " + exe_b, CURRENT_EXECUTABLE_SET)
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        lldbutil.run_break_set_by_file_and_line (self, 'b.c', self.line_b, num_expected_locations=1, loc_exact=True)
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        self.runCmd("run", RUN_SUCCEEDED)
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        self.runCmd("target create " + exe_c, CURRENT_EXECUTABLE_SET)
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        lldbutil.run_break_set_by_file_and_line (self, 'c.c', self.line_c, num_expected_locations=1, loc_exact=True)
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        self.runCmd("run", RUN_SUCCEEDED)
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        self.runCmd("target list")
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        self.runCmd("target select %d" % base)
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        self.runCmd("thread backtrace")
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        self.runCmd("target select %d" % (base + 2))
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        self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
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            substrs = ['c.c:%d' % self.line_c,
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                       'stop reason = breakpoint'])
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        self.runCmd("target select %d" % (base + 1))
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        self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
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            substrs = ['b.c:%d' % self.line_b,
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                       'stop reason = breakpoint'])
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        self.runCmd("target list")
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    def do_target_variable_command(self, exe_name):
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        """Exercise 'target variable' command before and after starting the inferior."""
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        self.runCmd("file " + exe_name, CURRENT_EXECUTABLE_SET)
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        self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
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            substrs = ["my_global_char", "'X'"])
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        self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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            substrs = ['my_global_str', '"abc"'])
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        self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
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            substrs = ['my_static_int', '228'])
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        self.expect("target variable my_global_str_ptr", matching=False,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str_ptr", matching=True,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ['a'])
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        self.runCmd("b main")
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        self.runCmd("run")
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        self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ['my_global_str', '"abc"'])
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        self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ['my_static_int', '228'])
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        self.expect("target variable my_global_str_ptr", matching=False,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str_ptr", matching=True,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ['a'])
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        self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ["my_global_char", "'X'"])
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        self.runCmd("c")
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        # rdar://problem/9763907
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        # 'target variable' command fails if the target program has been run
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        self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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            substrs = ['my_global_str', '"abc"'])
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        self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
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            substrs = ['my_static_int', '228'])
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        self.expect("target variable my_global_str_ptr", matching=False,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str_ptr", matching=True,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ['a'])
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        self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ["my_global_char", "'X'"])
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    def do_target_variable_command_no_fail(self, exe_name):
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        """Exercise 'target variable' command before and after starting the inferior."""
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        self.runCmd("file " + exe_name, CURRENT_EXECUTABLE_SET)
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        self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
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            substrs = ["my_global_char", "'X'"])
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        self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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            substrs = ['my_global_str', '"abc"'])
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        self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
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            substrs = ['my_static_int', '228'])
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        self.expect("target variable my_global_str_ptr", matching=False,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str_ptr", matching=True,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ['a'])
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        self.runCmd("b main")
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        self.runCmd("run")
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        # New feature: you don't need to specify the variable(s) to 'target vaiable'.
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        # It will find all the global and static variables in the current compile unit.
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        self.expect("target variable",
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            substrs = ['my_global_char',
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                       'my_global_str',
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                       'my_global_str_ptr',
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                       'my_static_int'])
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        self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ['my_global_str', '"abc"'])
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        self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ['my_static_int', '228'])
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        self.expect("target variable my_global_str_ptr", matching=False,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str_ptr", matching=True,
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                    substrs = ['"abc"'])
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        self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ['a'])
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        self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
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                    substrs = ["my_global_char", "'X'"])
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