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from __future__ import print_function
import lldb
import re
import inspect
import sys
import os
import importlib
summary_file = ''
fail_flag = ''
failed = False
def assertCommon(passed, fatal):
global failed
with open(summary_file, 'a+') as summary:
print(bool(passed), file=summary)
if (not passed):
failed = True
print('!!! test failed:', file=summary)
for s in inspect.stack()[2:]:
print("!!! %s:%i" % (s[1], s[2]), file=summary)
print("!!! %s" % s[4][0], file=summary)
if re.match('\W*t_\w+\.py$', s[1]):
break
print('!!! ', file=summary)
if fatal:
exit(1)
def assertTrue(x, fatal=True):
passed = bool(x)
assertCommon(passed, fatal)
def assertFalse(x, fatal=True):
passed = not bool(x)
assertCommon(passed, fatal)
def assertEqual(x, y, fatal=True):
passed = (x == y)
if not passed:
print(str(x), ' != ', str(y))
assertCommon(passed, fatal)
def assertNotEqual(x, y, fatal=True):
passed = (x != y)
if not passed:
print(str(x), ' == ', str(y))
assertCommon(passed, fatal)
def checkResult(res):
if not res.Succeeded():
print(res.GetOutput())
print(res.GetError())
exit(1)
def is_hexnum(s):
try:
int(s, 16)
return True
except ValueError:
return False
def exec_and_find(commandInterpreter, cmd, regexp):
res = lldb.SBCommandReturnObject()
commandInterpreter.HandleCommand(cmd, res)
checkResult(res)
expr = re.compile(regexp)
addr = None
print(res.GetOutput())
lines = res.GetOutput().splitlines()
for line in lines:
match = expr.match(line)
if match:
addr = match.group(1)
break
print("Found addr: " + str(addr))
return addr
def stop_in_main(debugger, assembly):
ci = debugger.GetCommandInterpreter()
target = debugger.GetSelectedTarget()
process = target.GetProcess()
res = lldb.SBCommandReturnObject()
# Process must be stopped here while libcoreclr loading.
# This test usually fails on release version of coreclr
# since we depend on 'LoadLibraryExW' symbol present.
assertEqual(process.GetState(), lldb.eStateStopped)
# The reason of this stop must be a breakpoint
assertEqual(process.GetSelectedThread().GetStopReason(),
lldb.eStopReasonBreakpoint)
ci.HandleCommand("bpmd " + assembly + " Test.Main", res)
out_msg = res.GetOutput()
err_msg = res.GetError()
print(res.GetOutput())
print(res.GetError())
# Interpreter must have this command and able to run it
assertTrue(res.Succeeded())
# Output is not empty
# Should be at least 'Adding pending breakpoints...'
assertTrue(len(out_msg) > 0)
# Error message is empty
assertTrue(len(err_msg) == 0)
process.Continue()
# Process must be stopped here if bpmd works at all
assertEqual(process.GetState(), lldb.eStateStopped)
# The reason of this stop must be a breakpoint
assertEqual(process.GetSelectedThread().GetStopReason(),
lldb.eStopReasonBreakpoint)
def exit_lldb(debugger, assembly):
ci = debugger.GetCommandInterpreter()
target = debugger.GetSelectedTarget()
process = target.GetProcess()
res = lldb.SBCommandReturnObject()
ci.HandleCommand("breakpoint delete --force", res)
out_msg = res.GetOutput()
err_msg = res.GetError()
print(out_msg)
print(err_msg)
# Interpreter must have this command and able to run it
# assertTrue(res.Succeeded())
process.Continue()
# Process must exit
assertEqual(process.GetState(), lldb.eStateExited)
# Process must exit with zero code
assertEqual(process.GetExitStatus(), 0)
def get_methoddesc(debugger, assembly, funcname):
ci = debugger.GetCommandInterpreter()
target = debugger.GetSelectedTarget()
process = target.GetProcess()
res = lldb.SBCommandReturnObject()
ci.HandleCommand("name2ee %s %s" % (assembly, funcname), res)
print(res.GetOutput())
print(res.GetError())
# Interpreter must have this command and able to run it
assertTrue(res.Succeeded())
output = res.GetOutput()
# Output is not empty
assertTrue(len(output) > 0)
match = re.search('MethodDesc:\s+([0-9a-fA-F]+)', output)
# Line matched
assertTrue(match)
groups = match.groups()
# Match has a single subgroup
assertEqual(len(groups), 1)
md_addr = groups[0]
# Address must be a hex number
assertTrue(is_hexnum(md_addr))
return md_addr
def run(assembly, module):
with open(summary_file, 'a+') as summary:
print('new_suite: %s' % module, file=summary)
debugger = lldb.debugger
debugger.SetAsync(False)
target = lldb.target
debugger.HandleCommand("breakpoint set --one-shot --name coreclr_execute_assembly")
debugger.HandleCommand("process launch")
# run the scenario
print("starting scenario...")
i = importlib.import_module(module)
scenarioResult = i.runScenario(os.path.basename(assembly), debugger,
target)
if (target.GetProcess().GetExitStatus() == 0) and not failed:
os.unlink(fail_flag)
with open(summary_file, 'a+') as summary:
print('Completed!', file=summary)
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