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"""
Test that the lldb-mi handles signals properly.
"""
from __future__ import print_function
import lldbmi_testcase
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class MiSignalTestCase(lldbmi_testcase.MiTestCaseBase):
mydir = TestBase.compute_mydir(__file__)
@skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Fails on FreeBSD apparently due to thread race conditions
@skipIfRemote # We do not currently support remote debugging via the MI.
def test_lldbmi_stopped_when_interrupt(self):
"""Test that 'lldb-mi --interpreter' interrupt and resume a looping app."""
self.spawnLldbMi(args=None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to main
self.runCmd("-break-insert -f main")
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Set doloop=1 and run (to loop forever)
self.runCmd("-data-evaluate-expression \"do_loop=1\"")
self.expect("\^done,value=\"1\"")
self.runCmd("-exec-continue")
self.expect("\^running")
# Test that -exec-interrupt can interrupt an execution
self.runCmd("-exec-interrupt")
self.expect(
"\*stopped,reason=\"signal-received\",signal-name=\"SIGINT\",signal-meaning=\"Interrupt\",.+?thread-id=\"1\",stopped-threads=\"all\"")
# Continue (to loop forever)
self.runCmd("-exec-continue")
self.expect("\^running")
# Test that Ctrl+C can interrupt an execution
self.child.sendintr() # FIXME: here uses self.child directly
self.expect(
"\*stopped,reason=\"signal-received\",signal-name=\"SIGINT\",signal-meaning=\"Interrupt\",.*thread-id=\"1\",stopped-threads=\"all\"")
@skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Fails on FreeBSD apparently due to thread race conditions
@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
@skipIfRemote # We do not currently support remote debugging via the MI.
def test_lldbmi_stopped_when_stopatentry_local(self):
"""Test that 'lldb-mi --interpreter' notifies after it was stopped on entry (local)."""
self.spawnLldbMi(args=None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run with stop-at-entry flag
self.runCmd("-interpreter-exec command \"process launch -s\"")
self.expect("\^done")
# Test that *stopped is printed
# Note that message is different in Darwin and Linux:
# Darwin: "*stopped,reason=\"signal-received\",signal-name=\"SIGSTOP\",signal-meaning=\"Stop\",frame={level=\"0\",addr=\"0x[0-9a-f]+\",func=\"_dyld_start\",file=\"??\",fullname=\"??\",line=\"-1\"},thread-id=\"1\",stopped-threads=\"all\"
# Linux:
# "*stopped,reason=\"end-stepping-range\",frame={addr=\"0x[0-9a-f]+\",func=\"??\",args=[],file=\"??\",fullname=\"??\",line=\"-1\"},thread-id=\"1\",stopped-threads=\"all\"
self.expect(
[
"\*stopped,reason=\"signal-received\",signal-name=\"SIGSTOP\",signal-meaning=\"Stop\",frame=\{level=\"0\",addr=\"0x[0-9a-f]+\",func=\"_dyld_start\",file=\"\?\?\",fullname=\"\?\?\",line=\"-1\"\},thread-id=\"1\",stopped-threads=\"all\"",
"\*stopped,reason=\"end-stepping-range\",frame={addr=\"0x[0-9a-f]+\",func=\"\?\?\",args=\[\],file=\"\?\?\",fullname=\"\?\?\",line=\"-1\"},thread-id=\"1\",stopped-threads=\"all\""])
# Run to main to make sure we have not exited the application
self.runCmd("-break-insert -f main")
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-continue")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
@skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows
@skipUnlessDarwin
@skipIfRemote # We do not currently support remote debugging via the MI.
def test_lldbmi_stopped_when_stopatentry_remote(self):
"""Test that 'lldb-mi --interpreter' notifies after it was stopped on entry (remote)."""
# Prepare debugserver
import lldbgdbserverutils
debugserver_exe = lldbgdbserverutils.get_debugserver_exe()
if not debugserver_exe:
self.skipTest("debugserver exe not found")
hostname = "localhost"
import random
# the same as GdbRemoteTestCaseBase.get_next_port
port = 12000 + random.randint(0, 3999)
import pexpect
debugserver_child = pexpect.spawn(
"%s %s:%d" %
(debugserver_exe, hostname, port))
self.addTearDownHook(lambda: debugserver_child.terminate(force=True))
self.spawnLldbMi(args=None)
# Connect to debugserver
self.runCmd(
"-interpreter-exec command \"platform select remote-macosx --sysroot /\"")
self.expect("\^done")
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
self.runCmd(
"-interpreter-exec command \"process connect connect://%s:%d\"" %
(hostname, port))
self.expect("\^done")
# Run with stop-at-entry flag
self.runCmd("-interpreter-exec command \"process launch -s\"")
self.expect("\^done")
# Test that *stopped is printed
self.expect(
"\*stopped,reason=\"signal-received\",signal-name=\"SIGSTOP\",signal-meaning=\"Stop\",.+?thread-id=\"1\",stopped-threads=\"all\"")
# Exit
self.runCmd("-gdb-exit")
self.expect("\^exit")
@skipIfWindows # llvm.org/pr24452: Get lldb-mi tests working on Windows
@skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
@skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
@skipIfRemote # We do not currently support remote debugging via the MI.
def test_lldbmi_stopped_when_segfault_local(self):
"""Test that 'lldb-mi --interpreter' notifies after it was stopped when segfault occurred (local)."""
self.spawnLldbMi(args=None)
# Load executable
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
# Run to main
self.runCmd("-break-insert -f main")
self.expect("\^done,bkpt={number=\"1\"")
self.runCmd("-exec-run")
self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Set do_segfault=1 and run (to cause a segfault error)
self.runCmd("-data-evaluate-expression \"do_segfault=1\"")
self.expect("\^done,value=\"1\"")
self.runCmd("-exec-continue")
self.expect("\^running")
# Test that *stopped is printed
# Note that message is different in Darwin and Linux:
# Darwin: "*stopped,reason=\"exception-received\",exception=\"EXC_BAD_ACCESS (code=1, address=0x0)\",thread-id=\"1\",stopped-threads=\"all\""
# Linux: "*stopped,reason=\"exception-received\",exception=\"invalid
# address (fault address:
# 0x0)\",thread-id=\"1\",stopped-threads=\"all\""
self.expect(["\*stopped,reason=\"exception-received\",exception=\"EXC_BAD_ACCESS \(code=1, address=0x0\)\",thread-id=\"1\",stopped-threads=\"all\"",
"\*stopped,reason=\"exception-received\",exception=\"invalid address \(fault address: 0x0\)\",thread-id=\"1\",stopped-threads=\"all\""])
@skipUnlessDarwin
@skipIfRemote # We do not currently support remote debugging via the MI.
def test_lldbmi_stopped_when_segfault_remote(self):
"""Test that 'lldb-mi --interpreter' notifies after it was stopped when segfault occurred (remote)."""
# Prepare debugserver
import lldbgdbserverutils
debugserver_exe = lldbgdbserverutils.get_debugserver_exe()
if not debugserver_exe:
self.skipTest("debugserver exe not found")
hostname = "localhost"
import random
# the same as GdbRemoteTestCaseBase.get_next_port
port = 12000 + random.randint(0, 3999)
import pexpect
debugserver_child = pexpect.spawn(
"%s %s:%d" %
(debugserver_exe, hostname, port))
self.addTearDownHook(lambda: debugserver_child.terminate(force=True))
self.spawnLldbMi(args=None)
# Connect to debugserver
self.runCmd(
"-interpreter-exec command \"platform select remote-macosx --sysroot /\"")
self.expect("\^done")
self.runCmd("-file-exec-and-symbols %s" % self.myexe)
self.expect("\^done")
self.runCmd(
"-interpreter-exec command \"process connect connect://%s:%d\"" %
(hostname, port))
self.expect("\^done")
# Run to main
self.runCmd("-break-insert -f main")
self.expect("\^done,bkpt={number=\"1\"")
# FIXME -exec-run doesn't work
# FIXME: self.runCmd("-exec-run")
self.runCmd("-interpreter-exec command \"process launch\"")
self.expect("\^done") # FIXME: self.expect("\^running")
self.expect("\*stopped,reason=\"breakpoint-hit\"")
# Set do_segfault=1 and run (to cause a segfault error)
self.runCmd("-data-evaluate-expression \"do_segfault=1\"")
self.expect("\^done,value=\"1\"")
self.runCmd("-exec-continue")
self.expect("\^running")
# Test that *stopped is printed
self.expect(
"\*stopped,reason=\"exception-received\",exception=\"EXC_BAD_ACCESS \(code=1, address=0x0\)\",thread-id=\"1\",stopped-threads=\"all\"")
# Exit
self.runCmd("-gdb-exit")
self.expect("\^exit")
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