160 lines
6.3 KiB
Python
160 lines
6.3 KiB
Python
import unittest2
|
|
import os
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
def haswellOrLater():
|
|
features = subprocess.check_output(["sysctl", "machdep.cpu"])
|
|
return "AVX2" in features.split()
|
|
|
|
class UniversalTestCase(TestBase):
|
|
"""Test aspects of lldb commands on universal binaries."""
|
|
|
|
NO_DEBUG_INFO_TESTCASE = True
|
|
mydir = TestBase.compute_mydir(__file__)
|
|
|
|
def setUp(self):
|
|
# Call super's setUp().
|
|
TestBase.setUp(self)
|
|
# Find the line number to break inside main().
|
|
self.line = line_number('main.c', '// Set break point at this line.')
|
|
|
|
@add_test_categories(['pyapi'])
|
|
@skipUnlessDarwin
|
|
@unittest2.skipUnless(hasattr(os, "uname") and os.uname()[4] in
|
|
['x86_64'], "requires x86_64")
|
|
@skipIfDarwinEmbedded # this test file assumes we're targetting an x86 system
|
|
def test_sbdebugger_create_target_with_file_and_target_triple(self):
|
|
"""Test the SBDebugger.CreateTargetWithFileAndTargetTriple() API."""
|
|
# Invoke the default build rule.
|
|
self.build()
|
|
|
|
# Note that "testit" is a universal binary.
|
|
exe = self.getBuildArtifact("testit")
|
|
|
|
# Create a target by the debugger.
|
|
target = self.dbg.CreateTargetWithFileAndTargetTriple(
|
|
exe, "x86_64-apple-macosx10.10")
|
|
self.assertTrue(target, VALID_TARGET)
|
|
self.expect("image list -t -b", substrs=["x86_64-apple-macosx10.9.0 testit"])
|
|
self.expect("target list", substrs=["testit", "arch=x86_64-apple-macosx10.10"])
|
|
|
|
# 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)
|
|
|
|
@skipUnlessDarwin
|
|
@unittest2.skipUnless(hasattr(os, "uname") and os.uname()[4] in
|
|
['x86_64'], "requires x86_64")
|
|
@skipIfDarwinEmbedded # this test file assumes we're targetting an x86 system
|
|
def test_process_launch_for_universal(self):
|
|
"""Test process launch of a universal binary."""
|
|
from lldbsuite.test.lldbutil import print_registers
|
|
|
|
if not haswellOrLater():
|
|
return
|
|
|
|
# Invoke the default build rule.
|
|
self.build()
|
|
|
|
# Note that "testit" is a universal binary.
|
|
exe = self.getBuildArtifact("testit")
|
|
|
|
# By default, x86_64 is assumed if no architecture is specified.
|
|
self.expect("file " + exe, CURRENT_EXECUTABLE_SET,
|
|
startstr="Current executable set to ",
|
|
substrs=["testit' (x86_64h)."])
|
|
|
|
# Break inside the main.
|
|
lldbutil.run_break_set_by_file_and_line(
|
|
self, "main.c", self.line, num_expected_locations=1, loc_exact=True)
|
|
|
|
# We should be able to launch the x86_64h executable.
|
|
self.runCmd("run", RUN_SUCCEEDED)
|
|
|
|
# Check whether we have a x86_64h process launched.
|
|
target = self.dbg.GetSelectedTarget()
|
|
process = target.GetProcess()
|
|
self.expect("image list -A -b", substrs=["x86_64h testit"])
|
|
self.runCmd("continue")
|
|
|
|
# Now specify x86_64 as the architecture for "testit".
|
|
self.expect("file -a x86_64 " + exe, CURRENT_EXECUTABLE_SET,
|
|
startstr="Current executable set to ",
|
|
substrs=["testit' (x86_64)."])
|
|
|
|
# Break inside the main.
|
|
lldbutil.run_break_set_by_file_and_line(
|
|
self, "main.c", self.line, num_expected_locations=1, loc_exact=True)
|
|
|
|
# We should be able to launch the x86_64 executable as well.
|
|
self.runCmd("run", RUN_SUCCEEDED)
|
|
|
|
# Check whether we have a x86_64 process launched.
|
|
|
|
# FIXME: This wrong. We are expecting x86_64, but spawning a
|
|
# new process currently doesn't allow specifying a *sub*-architecture.
|
|
# <rdar://problem/46101466>
|
|
self.expect("image list -A -b", substrs=["x86_64h testit"])
|
|
self.runCmd("continue")
|
|
|
|
@skipUnlessDarwin
|
|
@unittest2.skipUnless(hasattr(os, "uname") and os.uname()[4] in
|
|
['x86_64'], "requires x86_64")
|
|
@skipIfDarwinEmbedded # this test file assumes we're targetting an x86 system
|
|
def test_process_attach_with_wrong_arch(self):
|
|
"""Test that when we attach to a binary from the wrong fork of
|
|
a universal binary, we fix up the ABI correctly."""
|
|
if not haswellOrLater():
|
|
return
|
|
|
|
# Now keep the architecture at x86_64, but switch the binary
|
|
# we launch to x86_64h, and make sure on attach we switch to
|
|
# the correct architecture.
|
|
|
|
# Invoke the default build rule.
|
|
self.build()
|
|
|
|
# Note that "testit" is a universal binary.
|
|
exe = self.getBuildArtifact("testit")
|
|
|
|
# Create a target by the debugger.
|
|
target = self.dbg.CreateTargetWithFileAndTargetTriple(
|
|
exe, "x86_64-apple-macosx")
|
|
self.assertTrue(target, VALID_TARGET)
|
|
self.expect("image list -A -b", substrs=["x86_64 testit"])
|
|
|
|
bkpt = target.BreakpointCreateBySourceRegex(
|
|
"sleep", lldb.SBFileSpec("main.c"))
|
|
self.assertTrue(bkpt.IsValid(), "Valid breakpoint")
|
|
self.assertTrue(
|
|
bkpt.GetNumLocations() >= 1,
|
|
"Our main breakpoint has locations.")
|
|
|
|
popen = self.spawnSubprocess(exe, ["keep_waiting"])
|
|
|
|
error = lldb.SBError()
|
|
empty_listener = lldb.SBListener()
|
|
process = target.AttachToProcessWithID(
|
|
empty_listener, popen.pid, error)
|
|
self.assertTrue(error.Success(), "Attached to process.")
|
|
|
|
self.expect("image list -A -b", substrs=["x86_64h testit"])
|
|
|
|
# It may seem odd to check the number of frames, but the bug
|
|
# that motivated this test was that we eventually fixed the
|
|
# architecture, but we left the ABI set to the original value.
|
|
# In that case, if you asked the process for its architecture,
|
|
# it would look right, but since the ABI was wrong,
|
|
# backtracing failed.
|
|
|
|
threads = lldbutil.continue_to_breakpoint(process, bkpt)
|
|
self.assertEquals(len(threads), 1)
|
|
thread = threads[0]
|
|
self.assertTrue(
|
|
thread.GetNumFrames() > 1,
|
|
"We were able to backtrace.")
|