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"""Test Python APIs for target (launch and attach), breakpoint, and process."""
import os, sys, time
import unittest2
import lldb
import time
from lldbtest import *
class HelloWorldTestCase(TestBase):
mydir = os.path.join("python_api", "hello_world")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@python_api_test
@dsym_test
def test_with_dsym_and_process_launch_api(self):
"""Create target, breakpoint, launch a process, and then kill it.
Use dsym info and process launch API.
"""
self.buildDsym(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.hello_world_python()
@python_api_test
@dwarf_test
def test_with_dwarf_and_process_launch_api(self):
"""Create target, breakpoint, launch a process, and then kill it.
Use dwarf debug map and process launch API.
"""
self.buildDwarf(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.hello_world_python()
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@python_api_test
@dsym_test
def test_with_dsym_and_attach_to_process_with_id_api(self):
"""Create target, spawn a process, and attach to it with process id.
Use dsym info and attach to process with id API.
"""
self.buildDsym(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.hello_world_attach_with_id_api()
@python_api_test
@dwarf_test
def test_with_dwarf_and_attach_to_process_with_id_api(self):
"""Create target, spawn a process, and attach to it with process id.
Use dwarf map (no dsym) and attach to process with id API.
"""
self.buildDwarf(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.hello_world_attach_with_id_api()
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@python_api_test
@dsym_test
def test_with_dsym_and_attach_to_process_with_name_api(self):
"""Create target, spawn a process, and attach to it with process name.
Use dsym info and attach to process with name API.
"""
self.buildDsym(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.hello_world_attach_with_name_api()
@expectedFailureFreeBSD('llvm.org/pr16699') # attach by name not on FreeBSD yet
@python_api_test
@dwarf_test
def test_with_dwarf_and_attach_to_process_with_name_api(self):
"""Create target, spawn a process, and attach to it with process name.
Use dwarf map (no dsym) and attach to process with name API.
"""
self.buildDwarf(dictionary=self.d)
self.setTearDownCleanup(dictionary=self.d)
self.hello_world_attach_with_name_api()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Get the full path to our executable to be attached/debugged.
self.exe = os.path.join(os.getcwd(), self.testMethodName)
self.d = {'EXE': self.testMethodName}
# Find a couple of the line numbers within main.c.
self.line1 = line_number('main.c', '// Set break point at this line.')
self.line2 = line_number('main.c', '// Waiting to be attached...')
def hello_world_python(self):
"""Create target, breakpoint, launch a process, and then kill it."""
target = self.dbg.CreateTarget(self.exe)
breakpoint = target.BreakpointCreateByLocation("main.c", self.line1)
# The default state after breakpoint creation should be enabled.
self.assertTrue(breakpoint.IsEnabled(),
"Breakpoint should be enabled after creation")
breakpoint.SetEnabled(False)
self.assertTrue(not breakpoint.IsEnabled(),
"Breakpoint.SetEnabled(False) works")
breakpoint.SetEnabled(True)
self.assertTrue(breakpoint.IsEnabled(),
"Breakpoint.SetEnabled(True) works")
# rdar://problem/8364687
# SBTarget.Launch() issue (or is there some race condition)?
process = target.LaunchSimple(None, None, os.getcwd())
# The following isn't needed anymore, rdar://8364687 is fixed.
#
# Apply some dances after LaunchProcess() in order to break at "main".
# It only works sometimes.
#self.breakAfterLaunch(process, "main")
process = target.GetProcess()
self.assertTrue(process, PROCESS_IS_VALID)
thread = process.GetThreadAtIndex(0)
if thread.GetStopReason() != lldb.eStopReasonBreakpoint:
from lldbutil import stop_reason_to_str
self.fail(STOPPED_DUE_TO_BREAKPOINT_WITH_STOP_REASON_AS %
stop_reason_to_str(thread.GetStopReason()))
# The breakpoint should have a hit count of 1.
self.assertTrue(breakpoint.GetHitCount() == 1, BREAKPOINT_HIT_ONCE)
def hello_world_attach_with_id_api(self):
"""Create target, spawn a process, and attach to it by id."""
target = self.dbg.CreateTarget(self.exe)
# Spawn a new process
popen = self.spawnSubprocess(self.exe, ["abc", "xyz"])
self.addTearDownHook(self.cleanupSubprocesses)
# Give the subprocess time to start and wait for user input
time.sleep(0.25)
listener = lldb.SBListener("my.attach.listener")
error = lldb.SBError()
process = target.AttachToProcessWithID(listener, popen.pid, error)
self.assertTrue(error.Success() and process, PROCESS_IS_VALID)
# Let's check the stack traces of the attached process.
import lldbutil
stacktraces = lldbutil.print_stacktraces(process, string_buffer=True)
self.expect(stacktraces, exe=False,
substrs = ['main.c:%d' % self.line2,
'(int)argc=3'])
def hello_world_attach_with_name_api(self):
"""Create target, spawn a process, and attach to it by name."""
target = self.dbg.CreateTarget(self.exe)
# Spawn a new process
popen = self.spawnSubprocess(self.exe, ["abc", "xyz"])
self.addTearDownHook(self.cleanupSubprocesses)
# Give the subprocess time to start and wait for user input
time.sleep(0.25)
listener = lldb.SBListener("my.attach.listener")
error = lldb.SBError()
# Pass 'False' since we don't want to wait for new instance of "hello_world" to be launched.
name = os.path.basename(self.exe)
# While we're at it, make sure that passing a None as the process name
# does not hang LLDB.
target.AttachToProcessWithName(listener, None, False, error)
# Also boundary condition test ConnectRemote(), too.
target.ConnectRemote(listener, None, None, error)
process = target.AttachToProcessWithName(listener, name, False, error)
self.assertTrue(error.Success() and process, PROCESS_IS_VALID)
# Verify that after attach, our selected target indeed matches name.
self.expect(self.dbg.GetSelectedTarget().GetExecutable().GetFilename(), exe=False,
startstr = name)
# Let's check the stack traces of the attached process.
import lldbutil
stacktraces = lldbutil.print_stacktraces(process, string_buffer=True)
self.expect(stacktraces, exe=False,
substrs = ['main.c:%d' % self.line2,
'(int)argc=3'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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