packages/Python/lldbsuite/test/functionalities/target_command/TestTargetCommand.py

   1 """
   2 Test some target commands: create, list, select, variable.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8
   9 import lldb
  10 import sys
  11 from lldbsuite.test.lldbtest import *
  12 import lldbsuite.test.lldbutil as lldbutil
  13
  14 class targetCommandTestCase(TestBase):
  15
  16     mydir = TestBase.compute_mydir(__file__)
  17
  18     def setUp(self):
  19         # Call super's setUp().
  20         TestBase.setUp(self)
  21         # Find the line numbers for our breakpoints.
  22         self.line_b = line_number('b.c', '// Set break point at this line.')
  23         self.line_c = line_number('c.c', '// Set break point at this line.')
  24
  25     def test_target_command(self):
  26         """Test some target commands: create, list, select."""
  27         da = {'C_SOURCES': 'a.c', 'EXE': 'a.out'}
  28         self.build(dictionary=da)
  29         self.addTearDownCleanup(dictionary=da)
  30
  31         db = {'C_SOURCES': 'b.c', 'EXE': 'b.out'}
  32         self.build(dictionary=db)
  33         self.addTearDownCleanup(dictionary=db)
  34
  35         dc = {'C_SOURCES': 'c.c', 'EXE': 'c.out'}
  36         self.build(dictionary=dc)
  37         self.addTearDownCleanup(dictionary=dc)
  38
  39         self.do_target_command()
  40
  41     # rdar://problem/9763907
  42     # 'target variable' command fails if the target program has been run
  43     @expectedFailureAndroid(archs=['aarch64'])
  44     def test_target_variable_command(self):
  45         """Test 'target variable' command before and after starting the inferior."""
  46         d = {'C_SOURCES': 'globals.c', 'EXE': 'globals'}
  47         self.build(dictionary=d)
  48         self.addTearDownCleanup(dictionary=d)
  49
  50         self.do_target_variable_command('globals')
  51
  52     @expectedFailureAndroid(archs=['aarch64'])
  53     def test_target_variable_command_no_fail(self):
  54         """Test 'target variable' command before and after starting the inferior."""
  55         d = {'C_SOURCES': 'globals.c', 'EXE': 'globals'}
  56         self.build(dictionary=d)
  57         self.addTearDownCleanup(dictionary=d)
  58
  59         self.do_target_variable_command_no_fail('globals')
  60
  61     def do_target_command(self):
  62         """Exercise 'target create', 'target list', 'target select' commands."""
  63         exe_a = os.path.join(os.getcwd(), "a.out")
  64         exe_b = os.path.join(os.getcwd(), "b.out")
  65         exe_c = os.path.join(os.getcwd(), "c.out")
  66
  67         self.runCmd("target list")
  68         output = self.res.GetOutput()
  69         if output.startswith("No targets"):
  70             # We start from index 0.
  71             base = 0
  72         else:
  73             # Find the largest index of the existing list.
  74             import re
  75             pattern = re.compile("target #(\d+):")
  76             for line in reversed(output.split(os.linesep)):
  77                 match = pattern.search(line)
  78                 if match:
  79                     # We will start from (index + 1) ....
  80                     base = int(match.group(1), 10) + 1
  81                     #print("base is:", base)
  82                     break;
  83
  84         self.runCmd("target create " + exe_a, CURRENT_EXECUTABLE_SET)
  85         self.runCmd("run", RUN_SUCCEEDED)
  86
  87         self.runCmd("target create " + exe_b, CURRENT_EXECUTABLE_SET)
  88         lldbutil.run_break_set_by_file_and_line (self, 'b.c', self.line_b, num_expected_locations=1, loc_exact=True)
  89         self.runCmd("run", RUN_SUCCEEDED)
  90
  91         self.runCmd("target create " + exe_c, CURRENT_EXECUTABLE_SET)
  92         lldbutil.run_break_set_by_file_and_line (self, 'c.c', self.line_c, num_expected_locations=1, loc_exact=True)
  93         self.runCmd("run", RUN_SUCCEEDED)
  94
  95         self.runCmd("target list")
  96
  97         self.runCmd("target select %d" % base)
  98         self.runCmd("thread backtrace")
  99
 100         self.runCmd("target select %d" % (base + 2))
 101         self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
 102             substrs = ['c.c:%d' % self.line_c,
 103                        'stop reason = breakpoint'])
 104
 105         self.runCmd("target select %d" % (base + 1))
 106         self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
 107             substrs = ['b.c:%d' % self.line_b,
 108                        'stop reason = breakpoint'])
 109
 110         self.runCmd("target list")
 111
 112     def do_target_variable_command(self, exe_name):
 113         """Exercise 'target variable' command before and after starting the inferior."""
 114         self.runCmd("file " + exe_name, CURRENT_EXECUTABLE_SET)
 115
 116         self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
 117             substrs = ["my_global_char", "'X'"])
 118         self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 119             substrs = ['my_global_str', '"abc"'])
 120         self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
 121             substrs = ['my_static_int', '228'])
 122         self.expect("target variable my_global_str_ptr", matching=False,
 123                     substrs = ['"abc"'])
 124         self.expect("target variable *my_global_str_ptr", matching=True,
 125                     substrs = ['"abc"'])
 126         self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 127                     substrs = ['a'])
 128
 129         self.runCmd("b main")
 130         self.runCmd("run")
 131
 132         self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 133                     substrs = ['my_global_str', '"abc"'])
 134         self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
 135                     substrs = ['my_static_int', '228'])
 136         self.expect("target variable my_global_str_ptr", matching=False,
 137                     substrs = ['"abc"'])
 138         self.expect("target variable *my_global_str_ptr", matching=True,
 139                     substrs = ['"abc"'])
 140         self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 141                     substrs = ['a'])
 142         self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
 143                     substrs = ["my_global_char", "'X'"])
 144
 145         self.runCmd("c")
 146
 147         # rdar://problem/9763907
 148         # 'target variable' command fails if the target program has been run
 149         self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 150             substrs = ['my_global_str', '"abc"'])
 151         self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
 152             substrs = ['my_static_int', '228'])
 153         self.expect("target variable my_global_str_ptr", matching=False,
 154                     substrs = ['"abc"'])
 155         self.expect("target variable *my_global_str_ptr", matching=True,
 156                     substrs = ['"abc"'])
 157         self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 158                     substrs = ['a'])
 159         self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
 160                     substrs = ["my_global_char", "'X'"])
 161
 162     def do_target_variable_command_no_fail(self, exe_name):
 163         """Exercise 'target variable' command before and after starting the inferior."""
 164         self.runCmd("file " + exe_name, CURRENT_EXECUTABLE_SET)
 165
 166         self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
 167             substrs = ["my_global_char", "'X'"])
 168         self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 169             substrs = ['my_global_str', '"abc"'])
 170         self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
 171             substrs = ['my_static_int', '228'])
 172         self.expect("target variable my_global_str_ptr", matching=False,
 173                     substrs = ['"abc"'])
 174         self.expect("target variable *my_global_str_ptr", matching=True,
 175                     substrs = ['"abc"'])
 176         self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 177                     substrs = ['a'])
 178
 179         self.runCmd("b main")
 180         self.runCmd("run")
 181
 182         # New feature: you don't need to specify the variable(s) to 'target vaiable'.
 183         # It will find all the global and static variables in the current compile unit.
 184         self.expect("target variable",
 185             substrs = ['my_global_char',
 186                        'my_global_str',
 187                        'my_global_str_ptr',
 188                        'my_static_int'])
 189
 190         self.expect("target variable my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 191                     substrs = ['my_global_str', '"abc"'])
 192         self.expect("target variable my_static_int", VARIABLES_DISPLAYED_CORRECTLY,
 193                     substrs = ['my_static_int', '228'])
 194         self.expect("target variable my_global_str_ptr", matching=False,
 195                     substrs = ['"abc"'])
 196         self.expect("target variable *my_global_str_ptr", matching=True,
 197                     substrs = ['"abc"'])
 198         self.expect("target variable *my_global_str", VARIABLES_DISPLAYED_CORRECTLY,
 199                     substrs = ['a'])
 200         self.expect("target variable my_global_char", VARIABLES_DISPLAYED_CORRECTLY,
 201                     substrs = ["my_global_char", "'X'"])