def test_with_run_command(self):
"""Test 'frame variable this' when stopped on a class constructor."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break on the ctor function of class C.
lldbutil.run_break_set_by_file_and_line(self,
"main.cpp",
self.line,
num_expected_locations=-1)
self.runCmd("run", RUN_SUCCEEDED)
# The test suite sometimes shows that the process has exited without stopping.
#
# CC=clang ./dotest.py -v -t class_types
# ...
# Process 76604 exited with status = 0 (0x00000000)
self.runCmd("process status")
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# We should be stopped on the ctor function of class C.
self.expect("frame variable --show-types this",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['C *', ' this = '])
def do_test(self, dictionary=None):
"""Display *bar_ptr when stopped on a function with forward declaration of struct bar."""
self.build(dictionary=dictionary)
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_symbol(self,
"foo",
num_expected_locations=1,
sym_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# This should display correctly.
# Note that the member fields of a = 1 and b = 2 is by design.
self.expect(
"frame variable --show-types *bar_ptr",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['(bar) *bar_ptr = ', '(int) a = 1', '(int) b = 2'])
# And so should this.
self.expect("expression --show-types -- *bar_ptr",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['(bar)', '(int) a = 1', '(int) b = 2'])
def do_test(self, dictionary=None):
self.build(dictionary=dictionary)
# Create a target by the debugger.
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
# Create the breakpoint inside function 'main'.
breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
self.assertTrue(breakpoint, VALID_BREAKPOINT)
# Register our shared libraries for remote targets so they get
# automatically uploaded
environment = self.registerSharedLibrariesWithTarget(
target, self.shlib_names)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(None, environment,
self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# This should display correctly.
self.expect("expression [j getMember]",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["= 0x"])
def test_frame_var_after_stop_at_implementation(self):
"""Test that we can find the implementation for an objective C type"""
if self.getArchitecture() == 'i386':
self.skipTest("requires modern objc runtime")
self.build()
self.shlib_names = ["libTestExt.dylib", "libTest.dylib"]
self.common_setup()
line = line_number('TestExt/TestExt.m', '// break here')
lldbutil.run_break_set_by_file_and_line(self,
'TestExt.m',
line,
num_expected_locations=1,
loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# This should display correctly.
self.expect("expr 42",
"A simple expression should execute correctly",
substrs=["42"])
def test_c_local_variables(self):
"""Test local variable value."""
self.build()
# Create a target by the debugger.
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
# Break inside the main.
lldbutil.run_break_set_by_file_and_line(self,
self.source,
self.line,
num_expected_locations=1,
loc_exact=True)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(None, None,
self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.expect("frame variable i",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['(unsigned int) i = 10'])
def common_setup(self):
# Run in synchronous mode
self.dbg.SetAsync(False)
# Create a target by the debugger.
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line(
self, self.source, self.line, num_expected_locations=1, loc_exact=True)
# Register our shared libraries for remote targets so they get
# automatically uploaded
environment = self.registerSharedLibrariesWithTarget(
target, self.shlib_names)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(
None, environment, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
def common_setup(self, line):
# Set debugger into synchronous mode
self.dbg.SetAsync(False)
# Create a target
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Set breakpoints inside and outside methods that take pointers to the
# containing struct.
lldbutil.run_break_set_by_file_and_line(self,
self.source,
line,
num_expected_locations=1,
loc_exact=True)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(None, None,
self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
def test_expr(self):
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line(self,
"main.m",
self.line,
num_expected_locations=1,
loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.runCmd("settings set target.auto-import-clang-modules true")
self.expect("p getpid()",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["pid_t"])
def test_with_expr_parser(self):
"""Test 'frame variable this' and 'expr this' when stopped inside a constructor."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# rdar://problem/8516141
# Is this a case of clang (116.1) generating bad debug info?
#
# Break on the ctor function of class C.
# self.expect("breakpoint set -M C", BREAKPOINT_CREATED,
# startstr = "Breakpoint created: 1: name = 'C'")
# Make the test case more robust by using line number to break,
# instead.
lldbutil.run_break_set_by_file_and_line(self,
None,
self.line,
num_expected_locations=-1)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# Continue on inside the ctor() body...
self.runCmd("register read pc")
self.runCmd("thread step-over")
# Verify that 'frame variable this' gets the data type correct.
self.expect("frame variable this",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['C *'])
# Verify that frame variable --show-types this->m_c_int behaves
# correctly.
self.runCmd("register read pc")
self.runCmd("expr m_c_int")
self.expect("frame variable --show-types this->m_c_int",
VARIABLES_DISPLAYED_CORRECTLY,
startstr='(int) this->m_c_int = 66')
# Verify that 'expression this' gets the data type correct.
self.expect("expression this",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['C *'])
# rdar://problem/8430916
# expr this->m_c_int returns an incorrect value
#
# Verify that expr this->m_c_int behaves correctly.
self.expect("expression this->m_c_int",
VARIABLES_DISPLAYED_CORRECTLY,
patterns=['\(int\) \$[0-9]+ = 66'])
def breakpoint_ignore_count(self):
"""Exercise breakpoint ignore count with 'breakpoint set -i <count>'."""
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Create a breakpoint in main.c at line1.
lldbutil.run_break_set_by_file_and_line(self,
'main.c',
self.line1,
extra_options='-i 1',
num_expected_locations=1,
loc_exact=True)
# Now run the program.
self.runCmd("run", RUN_SUCCEEDED)
# The process should be stopped at this point.
self.expect("process status",
PROCESS_STOPPED,
patterns=['Process .* stopped'])
# Also check the hit count, which should be 2, due to ignore count of
# 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=2)
# The frame #0 should correspond to main.c:37, the executable statement
# in function name 'c'. And frame #2 should point to main.c:45.
self.expect(
"thread backtrace",
STOPPED_DUE_TO_BREAKPOINT_IGNORE_COUNT,
#substrs = ["stop reason = breakpoint"],
patterns=[
"frame #0.*main.c:%d" % self.line1,
"frame #2.*main.c:%d" % self.line2
])
# continue -i 1 is the same as setting the ignore count to 1 again, try that:
# Now run the program.
self.runCmd("process continue -i 1", RUN_SUCCEEDED)
# The process should be stopped at this point.
self.expect("process status",
PROCESS_STOPPED,
patterns=['Process .* stopped'])
# Also check the hit count, which should be 2, due to ignore count of
# 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=4)
# The frame #0 should correspond to main.c:37, the executable statement
# in function name 'c'. And frame #2 should point to main.c:45.
self.expect(
"thread backtrace",
STOPPED_DUE_TO_BREAKPOINT_IGNORE_COUNT,
#substrs = ["stop reason = breakpoint"],
patterns=[
"frame #0.*main.c:%d" % self.line1,
"frame #1.*main.c:%d" % self.line5
])
def test_expr(self):
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
# Enable logging of the imported AST.
log_file = self.getBuildArtifact("lldb-ast-log.txt")
self.runCmd("log enable lldb ast -f '%s'" % log_file)
self.expect(
"expr -l objc++ -- @import Darwin; 3",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=[
"int",
"3"])
# This expr command imports __sFILE with definition
# (FILE is a typedef to __sFILE.)
self.expect(
"expr *fopen(\"/dev/zero\", \"w\")",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=[
"FILE",
"_close"])
# Check that the AST log contains exactly one definition of __sFILE.
f = open(log_file)
log_lines = f.readlines()
f.close()
os.remove(log_file)
self.assertEqual(" ".join(log_lines).count("struct __sFILE definition"),
1)
self.expect("expr *myFile", VARIABLES_DISPLAYED_CORRECTLY,
substrs=["a", "5", "b", "9"])
self.expect(
"expr MIN((uint64_t)2, (uint64_t)3)",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=[
"uint64_t",
"2"])
self.expect("expr stdin", VARIABLES_DISPLAYED_CORRECTLY,
substrs=["(FILE *)", "0x"])
def test_and_run_command(self):
"""Test 'frame variable var_name' on some variables with array types."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line, num_expected_locations=1, loc_exact=False)
self.runCmd("run", RUN_SUCCEEDED)
# The test suite sometimes shows that the process has exited without stopping.
#
# CC=clang ./dotest.py -v -t array_types
# ...
# Process 76604 exited with status = 0 (0x00000000)
self.runCmd("process status")
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
# Issue 'variable list' command on several array-type variables.
self.expect(
"frame variable --show-types strings",
VARIABLES_DISPLAYED_CORRECTLY,
startstr='(char *[4])',
substrs=[
'(char *) [0]',
'Hello',
'(char *) [1]',
'Hola',
'(char *) [2]',
'Bonjour',
'(char *) [3]',
'Guten Tag'])
self.expect(
"frame variable --show-types --raw -- char_16",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=[
'(char) [0]',
'(char) [15]'])
self.expect(
"frame variable --show-types ushort_matrix",
VARIABLES_DISPLAYED_CORRECTLY,
startstr='(unsigned short[2][3])')
self.expect(
"frame variable --show-types long_6",
VARIABLES_DISPLAYED_CORRECTLY,
startstr='(long[6])')
def test_memory_find(self):
"""Test the 'memory find' command."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break in main() after the variables are assigned values.
lldbutil.run_break_set_by_file_and_line(self,
"main.cpp",
self.line,
num_expected_locations=1,
loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# Test the memory find commands.
# Empty search string should be handled.
self.expect(
'memory find -s "" `stringdata` `stringdata+16`',
error=True,
substrs=["error: search string must have non-zero length."])
self.expect(
'memory find -s "in const" `stringdata` `stringdata+(int)strlen(stringdata)`',
substrs=['data found at location: 0x', '69 6e 20 63', 'in const'])
# Invalid expr is an error.
self.expect(
'memory find -e "not_a_symbol" `&bytedata[0]` `&bytedata[15]`',
error=True,
substrs=[
"error: expression evaluation failed. pass a string instead"
])
self.expect(
'memory find -e "(uint8_t)0x22" `&bytedata[0]` `&bytedata[15]`',
substrs=['data found at location: 0x', '22 33 44 55 66'])
self.expect(
'memory find -e "(uint8_t)0x22" `&bytedata[0]` `&bytedata[2]`',
substrs=['data not found within the range.'])
self.expect('memory find -s "nothere" `stringdata` `stringdata+5`',
substrs=['data not found within the range.'])
self.expect('memory find -s "nothere" `stringdata` `stringdata+10`',
substrs=['data not found within the range.'])
def test_expr(self):
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line(self,
"main.m",
self.line,
num_expected_locations=1,
loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.expect("expr @import Darwin; 3",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["int", "3"])
self.expect("expr getpid()",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["pid_t"])
self.expect("expr @import Foundation; 4",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["int", "4"])
# Type lookup should still work and print something reasonable
# for types from the module.
self.expect("type lookup NSObject", substrs=["instanceMethod"])
self.expect("expr string.length",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["NSUInteger", "5"])
self.expect("expr array.count",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["NSUInteger", "3"])
self.expect("p *[NSURL URLWithString:@\"http://lldb.llvm.org\"]",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["NSURL", "isa", "_urlString"])
self.expect("p [NSURL URLWithString:@\"http://lldb.llvm.org\"].scheme",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["http"])
# Test that the NULL macro still works with a loaded module.
self.expect_expr("int *i = NULL; i == NULL", result_value="true")
def runToBreakpoint(self):
self.build()
self._target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
self, '// Set breakpoint 0 here.',
lldb.SBFileSpec('main.m', False))
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
def run_tests(self):
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line(
self, "main.m", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
d1 = self.frame().FindVariable("d1")
d1.SetPreferSyntheticValue(True)
d1.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
self.assertEqual(
d1.GetNumChildren(), 1,
"dictionary has != 1 child elements")
pair = d1.GetChildAtIndex(0)
pair.SetPreferSyntheticValue(True)
pair.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
self.assertEqual(
pair.GetNumChildren(), 2,
"pair has != 2 child elements")
key = pair.GetChildMemberWithName("key")
value = pair.GetChildMemberWithName("value")
key.SetPreferSyntheticValue(True)
key.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
value.SetPreferSyntheticValue(True)
value.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
self.assertEqual(
key.GetSummary(), '@"key"',
"key doesn't contain key")
self.assertEqual(
value.GetSummary(), '@"value"',
"value doesn't contain value")
def breakpoint_locations_test(self):
"""Test breakpoint enable/disable for a breakpoint ID with multiple locations."""
self.set_breakpoint()
# The 'breakpoint disable 3.*' command should fail gracefully.
self.expect("breakpoint disable 3.*",
"Disabling an invalid breakpoint should fail gracefully",
error=True,
startstr="error: '3' is not a valid breakpoint ID.")
# The 'breakpoint disable 1.*' command should disable all 3 locations.
self.expect(
"breakpoint disable 1.*",
"All 3 breakpoint locatons disabled correctly",
startstr="3 breakpoints disabled.")
# Run the program.
self.runCmd("run", RUN_SUCCEEDED)
# We should not stopped on any breakpoint at all.
self.expect("process status", "No stopping on any disabled breakpoint",
patterns=["^Process [0-9]+ exited with status = 0"])
# The 'breakpoint enable 1.*' command should enable all 3 breakpoints.
self.expect(
"breakpoint enable 1.*",
"All 3 breakpoint locatons enabled correctly",
startstr="3 breakpoints enabled.")
# The 'breakpoint disable 1.1' command should disable 1 location.
self.expect(
"breakpoint disable 1.1",
"1 breakpoint locatons disabled correctly",
startstr="1 breakpoints disabled.")
# Run the program again. We should stop on the two breakpoint
# locations.
self.runCmd("run", RUN_SUCCEEDED)
# Stopped once.
self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
substrs=["stop reason = breakpoint 1."])
# Continue the program, there should be another stop.
self.runCmd("process continue")
# Stopped again.
self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
substrs=["stop reason = breakpoint 1."])
# At this point, 1.1 has a hit count of 0 and the other a hit count of
# 1".
lldbutil.check_breakpoint(self, bpno = 1, expected_locations = 3, expected_resolved_count = 2, expected_hit_count = 2)
lldbutil.check_breakpoint(self, bpno = 1, location_id = 1, expected_location_resolved = False, expected_location_hit_count = 0)
lldbutil.check_breakpoint(self, bpno = 1, location_id = 2, expected_location_resolved = True, expected_location_hit_count = 1)
lldbutil.check_breakpoint(self, bpno = 1, location_id = 3, expected_location_resolved = True, expected_location_hit_count = 1)
def runToBreakpoint(self):
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the main.
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
def test(self):
"""Test breakpoint works correctly with dead-code stripping."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break by function name f1 (live code).
lldbutil.run_break_set_by_symbol(self,
"f1",
num_expected_locations=1,
module_name="a.out")
# Break by function name f2 (dead code).
lldbutil.run_break_set_by_symbol(self,
"f2",
num_expected_locations=0,
module_name="a.out")
# Break by function name f3 (live code).
lldbutil.run_break_set_by_symbol(self,
"f3",
num_expected_locations=1,
module_name="a.out")
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint (breakpoint #1).
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'a.out`f1', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.runCmd("continue")
# The stop reason of the thread should be breakpoint (breakpoint #3).
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'a.out`f3', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=3, expected_hit_count=1)
def test(self):
"""Test that variables with signed types display correctly."""
self.build()
# Run in synchronous mode
self.dbg.SetAsync(False)
# Create a target by the debugger.
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
lldbutil.run_break_set_by_file_and_line(self,
self.source,
self.line,
num_expected_locations=1,
loc_exact=True)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(None, None,
self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# Execute the puts().
self.runCmd("thread step-over")
# Test that signed types display correctly.
self.expect("frame variable --show-types --no-args",
VARIABLES_DISPLAYED_CORRECTLY,
patterns=[
"\((short int|short)\) the_signed_short = 99",
"\((signed char|char)\) the_signed_char = 'c'"
],
substrs=[
"(int) the_signed_int = 99",
"(long) the_signed_long = 99",
"(long long) the_signed_long_long = 99"
])
def test_global_variable_hydration(self):
self.build()
self.common_setup()
lldbutil.run_break_set_by_file_and_line(self,
self.source,
self.line,
num_expected_locations=1,
loc_exact=True)
# Now launch the process, and do not stop at entry point.
process = self.target.LaunchSimple(
None, self.environment, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.expect(
"target variable --shlib a.out",
"Breakpoint in a.out should have hydrated the debug info",
substrs=["global_shared = 897"],
)
self.expect(
"target variable --shlib " + self.shared_lib_name,
"shared library should not have debug info by default",
matching=False,
substrs=["global_foo"],
)
self.expect(
"target variable global_foo --shlib " + self.shared_lib_name,
"Match global_foo in symbol table should hydrate debug info",
matching=True,
substrs=["global_foo = 321"],
)
def common_setup(self, strip):
if strip:
exe = self.getBuildArtifact("stripped/a.out")
else:
exe = self.getBuildArtifact("a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Create the breakpoint inside function 'main'.
breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
self.assertTrue(breakpoint, VALID_BREAKPOINT)
# Register our shared libraries for remote targets so they get
# automatically uploaded
environment = self.registerSharedLibrariesWithTarget(
target, self.shlib_names)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(None, environment,
self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line(self,
"main.m",
self.line,
num_expected_locations=1,
loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
def test_memory_cache(self):
"""Test the MemoryCache class with a sequence of 'memory read' and 'memory write' operations."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break in main() after the variables are assigned values.
lldbutil.run_break_set_by_file_and_line(self,
"main.cpp",
self.line,
num_expected_locations=1,
loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# Read a chunk of memory containing &my_ints[0]. The number of bytes read
# must be greater than m_L2_cache_line_byte_size to make sure the L1
# cache is used.
self.runCmd('memory read -f d -c 201 `&my_ints - 100`')
# Check the value of my_ints[0] is the same as set in main.cpp.
line = self.res.GetOutput().splitlines()[100]
self.assertEquals(0x00000042, int(line.split(':')[1], 0))
# Change the value of my_ints[0] in memory.
self.runCmd("memory write -s 4 `&my_ints` AA")
# Re-read the chunk of memory. The cache line should have been
# flushed because of the 'memory write'.
self.runCmd('memory read -f d -c 201 `&my_ints - 100`')
# Check the value of my_ints[0] have been updated correctly.
line = self.res.GetOutput().splitlines()[100]
self.assertEquals(0x000000AA, int(line.split(':')[1], 0))
def test_frame_var_after_stop_at_implementation(self):
"""Test that we can find the implementation for an objective C type"""
if self.getArchitecture() == 'i386':
self.skipTest("requires modern objc runtime")
self.build()
lldbutil.run_to_source_breakpoint(
self, '// Set breakpoint where Bar is an implementation',
lldb.SBFileSpec("Bar.m", False))
self.expect('breakpoint set -p "// Set breakpoint in main"')
self.runCmd("continue", RUN_SUCCEEDED)
# Run at stop at main
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# This should display correctly.
self.expect("frame variable foo->_bar->_hidden_ivar",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=["(NSString *)", "foo->_bar->_hidden_ivar = 0x"])
def test_and_run_command(self):
"""Test interpreted and JITted expressions on constant values."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the main.
lldbutil.run_break_set_by_symbol(self,
"main",
num_expected_locations=1)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.runCmd("next")
self.runCmd("next")
# Try frame variable.
self.expect("frame variable index",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['(int32_t) index = 512'])
# Try an interpreted expression.
self.expect("expr (index + 512)",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['1024'])
# Try a JITted expression.
self.expect("expr (int)getpid(); (index - 256)",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=['256'])
self.runCmd("kill")
def test_source_line_breakpoint(self):
self.build()
self.common_setup()
lldbutil.run_break_set_by_file_and_line(self,
"foo.c",
4,
num_expected_locations=1,
loc_exact=True)
# Now launch the process, and do not stop at entry point.
process = self.target.LaunchSimple(
None, self.environment, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
thread = process.GetSelectedThread()
stack_frames = lldbutil.get_stack_frames(thread)
self.assertGreater(len(stack_frames), 2)
leaf_frame = stack_frames[0]
self.assertEqual("foo.c",
leaf_frame.GetLineEntry().GetFileSpec().GetFilename())
self.assertEqual(4, leaf_frame.GetLineEntry().GetLine())
parent_frame = stack_frames[1]
self.assertEqual(
"shared.c",
parent_frame.GetLineEntry().GetFileSpec().GetFilename())
self.assertEqual(7, parent_frame.GetLineEntry().GetLine())
def test_expr(self):
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.m", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
self.runCmd(
"settings set target.clang-module-search-paths \"" +
self.getSourceDir() +
"\"")
self.expect("expr @import myModule; 3", VARIABLES_DISPLAYED_CORRECTLY,
substrs=["int", "3"])
self.expect(
"expr private_func()",
VARIABLES_DISPLAYED_CORRECTLY,
substrs=[
"int",
"5"])
self.expect("expr MY_MIN(2,3)", "#defined macro was found",
substrs=["int", "2"])
self.expect("expr MY_MAX(2,3)", "#undefd macro was correctly not found",
error=True)
def run_load_unload(self):
"""Test breakpoint by name works correctly with dlopen'ing."""
self.copy_shlibs_to_remote()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break by function name a_function (not yet loaded).
lldbutil.run_break_set_by_symbol(self,
"a_function",
num_expected_locations=0)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint and at a_function.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'a_function', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# Issue the 'continue' command. We should stop agaian at a_function.
# The stop reason of the thread should be breakpoint and at a_function.
self.runCmd("continue")
# rdar://problem/8508987
# The a_function breakpoint should be encountered twice.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'a_function', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 2.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=2)
def test_apropos_with_process(self):
"""Test that apropos env doesn't crash trying to touch the process plugin command."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break in main() after the variables are assigned values.
lldbutil.run_break_set_by_file_and_line(self,
"main.cpp",
self.line,
num_expected_locations=1,
loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.runCmd('apropos env')
def test_nested_alias(self):
"""Test that an alias can reference other aliases without crashing."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break in main() after the variables are assigned values.
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped', 'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
# This is the function to remove the custom aliases in order to have a
# clean slate for the next test case.
def cleanup():
self.runCmd('command unalias read', check=False)
self.runCmd('command unalias rd', check=False)
self.runCmd('command unalias fo', check=False)
self.runCmd('command unalias foself', check=False)
self.runCmd('command unalias add_two', check=False)
self.runCmd('command unalias two', check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
self.runCmd('command alias read memory read -f A')
self.runCmd('command alias rd read -c 3')
self.expect(
'memory read -f A -c 3 `&my_ptr[0]`',
substrs=[
'deadbeef',
'main.cpp:',
'feedbeef'])
self.expect(
'rd `&my_ptr[0]`',
substrs=[
'deadbeef',
'main.cpp:',
'feedbeef'])
self.expect(
'memory read -f A -c 3 `&my_ptr[0]`',
substrs=['deadfeed'],
matching=False)
self.expect('rd `&my_ptr[0]`', substrs=['deadfeed'], matching=False)
self.runCmd('command alias fo frame variable -O --')
self.runCmd('command alias foself fo self')
self.expect(
'help foself',
substrs=[
'--show-all-children',
'--raw-output'],
matching=False)
self.expect(
'help foself',
substrs=[
'Show variables for the current',
'stack frame.'],
matching=True)
# Check that foself was resolved and is now independent of 'fo'.
self.runCmd('command unalias fo')
self.expect(
'help foself',
substrs=[
'Show variables for the current',
'stack frame.'],
matching=True)
# Check that aliases can be created for raw input commands.
self.expect('command alias two expr -- 2')
self.expect('command alias add_two two +')
self.expect('add_two 3', patterns=[' = 5$'])
