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