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5ec76fe720
This patch is the result of a discussion on lldb-dev, see http://lists.llvm.org/pipermail/lldb-dev/2018-January/013111.html for background. For each test (should be eventually: each test configuration) a separate build directory is created and we execute make VPATH=$srcdir/path/to/test -C $builddir/path/to/test -f $srcdir/path/to/test/Makefile -I $srcdir/path/to/test In order to make this work all LLDB tests need to be updated to find the executable in the test build directory, since CWD still points at the test's source directory, which is a requirement for unittest2. Although we have done extensive testing, I'm expecting that this first attempt will break a few bots. Please DO NOT HESITATE TO REVERT this patch in order to get the bots green again. We will likely have to iterate on this some more. Differential Revision: https://reviews.llvm.org/D42281 llvm-svn: 323803
278 lines
9.8 KiB
Python
278 lines
9.8 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.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import 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': self.getBuildArtifact('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': self.getBuildArtifact('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': self.getBuildArtifact('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': self.getBuildArtifact('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': self.getBuildArtifact('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 = self.getBuildArtifact("a.out")
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exe_b = self.getBuildArtifact("b.out")
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exe_c = self.getBuildArtifact("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(
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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(
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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 " + self.getBuildArtifact(exe_name),
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CURRENT_EXECUTABLE_SET)
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self.expect(
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"target variable my_global_char",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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"my_global_char",
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"'X'"])
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self.expect(
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"target variable my_global_str",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_global_str',
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'"abc"'])
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self.expect(
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"target variable my_static_int",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_static_int',
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'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(
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"target variable *my_global_str",
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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(
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"target variable my_global_str",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_global_str',
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'"abc"'])
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self.expect(
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"target variable my_static_int",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_static_int',
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'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(
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"target variable *my_global_str",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=['a'])
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self.expect(
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"target variable my_global_char",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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"my_global_char",
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"'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(
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"target variable my_global_str",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_global_str',
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'"abc"'])
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self.expect(
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"target variable my_static_int",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_static_int',
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'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(
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"target variable *my_global_str",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=['a'])
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self.expect(
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"target variable my_global_char",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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"my_global_char",
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"'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 " + self.getBuildArtifact(exe_name),
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CURRENT_EXECUTABLE_SET)
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self.expect(
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"target variable my_global_char",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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"my_global_char",
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"'X'"])
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self.expect(
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"target variable my_global_str",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_global_str',
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'"abc"'])
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self.expect(
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"target variable my_static_int",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_static_int',
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'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(
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"target variable *my_global_str",
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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
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# 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(
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"target variable my_global_str",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_global_str',
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'"abc"'])
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self.expect(
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"target variable my_static_int",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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'my_static_int',
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'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(
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"target variable *my_global_str",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=['a'])
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self.expect(
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"target variable my_global_char",
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VARIABLES_DISPLAYED_CORRECTLY,
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substrs=[
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"my_global_char",
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"'X'"])
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