forked from OSchip/llvm-project
90 lines
3.9 KiB
Python
90 lines
3.9 KiB
Python
"""Test stepping and setting breakpoints in indirect and re-exported symbols."""
|
|
|
|
from __future__ import print_function
|
|
|
|
|
|
|
|
import os, time
|
|
import lldb
|
|
from lldbsuite.test.decorators import *
|
|
from lldbsuite.test.lldbtest import *
|
|
from lldbsuite.test import lldbutil
|
|
|
|
class TestIndirectFunctions(TestBase):
|
|
|
|
mydir = TestBase.compute_mydir(__file__)
|
|
|
|
def setUp(self):
|
|
# Call super's setUp().
|
|
TestBase.setUp(self)
|
|
# Find the line numbers that we will step to in main:
|
|
self.main_source = "main.c"
|
|
|
|
@skipUnlessDarwin
|
|
@add_test_categories(['pyapi'])
|
|
def test_with_python_api(self):
|
|
"""Test stepping and setting breakpoints in indirect and re-exported symbols."""
|
|
self.build()
|
|
exe = os.path.join(os.getcwd(), "a.out")
|
|
|
|
target = self.dbg.CreateTarget(exe)
|
|
self.assertTrue(target, VALID_TARGET)
|
|
|
|
self.main_source_spec = lldb.SBFileSpec (self.main_source)
|
|
|
|
break1 = target.BreakpointCreateBySourceRegex ("Set breakpoint here to step in indirect.", self.main_source_spec)
|
|
self.assertTrue(break1, VALID_BREAKPOINT)
|
|
|
|
break2 = target.BreakpointCreateBySourceRegex ("Set breakpoint here to step in reexported.", self.main_source_spec)
|
|
self.assertTrue(break2, VALID_BREAKPOINT)
|
|
|
|
# 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.
|
|
threads = lldbutil.get_threads_stopped_at_breakpoint (process, break1)
|
|
if len(threads) != 1:
|
|
self.fail ("Failed to stop at breakpoint 1.")
|
|
|
|
thread = threads[0]
|
|
|
|
# Now do a step-into, and we should end up in the hidden target of this indirect function.
|
|
thread.StepInto()
|
|
curr_function = thread.GetFrameAtIndex(0).GetFunctionName()
|
|
self.assertTrue (curr_function == "call_through_indirect_hidden", "Stepped into indirect symbols.")
|
|
|
|
# Now set a breakpoint using the indirect symbol name, and make sure we get to that:
|
|
break_indirect = target.BreakpointCreateByName ("call_through_indirect");
|
|
self.assertTrue (break_indirect, VALID_BREAKPOINT)
|
|
|
|
# Now continue should take us to the second call through the indirect symbol:
|
|
|
|
threads = lldbutil.continue_to_breakpoint (process, break_indirect)
|
|
self.assertTrue (len(threads) == 1, "Stopped at breakpoint in indirect function.")
|
|
curr_function = thread.GetFrameAtIndex(0).GetFunctionName()
|
|
self.assertTrue (curr_function == "call_through_indirect_hidden", "Stepped into indirect symbols.")
|
|
|
|
# Delete this breakpoint so it won't get in the way:
|
|
target.BreakpointDelete (break_indirect.GetID())
|
|
|
|
# Now continue to the site of the first re-exported function call in main:
|
|
threads = lldbutil.continue_to_breakpoint (process, break2)
|
|
|
|
# This is stepping Into through a re-exported symbol to an indirect symbol:
|
|
thread.StepInto()
|
|
curr_function = thread.GetFrameAtIndex(0).GetFunctionName()
|
|
self.assertTrue (curr_function == "call_through_indirect_hidden", "Stepped into indirect symbols.")
|
|
|
|
# And the last bit is to set a breakpoint on the re-exported symbol and make sure we are again in out target function.
|
|
break_reexported = target.BreakpointCreateByName ("reexport_to_indirect");
|
|
self.assertTrue (break_reexported, VALID_BREAKPOINT)
|
|
|
|
# Now continue should take us to the second call through the indirect symbol:
|
|
|
|
threads = lldbutil.continue_to_breakpoint (process, break_reexported)
|
|
self.assertTrue (len(threads) == 1, "Stopped at breakpoint in reexported function target.")
|
|
curr_function = thread.GetFrameAtIndex(0).GetFunctionName()
|
|
self.assertTrue (curr_function == "call_through_indirect_hidden", "Stepped into indirect symbols.")
|