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Put a workaround for flaky unwinder behavior on Darwin (<rdar://problem/16363195>). 

llvm-svn: 204254
This commit is contained in:
Jim Ingham 2014-03-19 17:50:46 +00:00
parent 69ab726724
commit 3a520a9373
1 changed files with 10 additions and 4 deletions
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14
lldb/test/functionalities/inline-stepping/TestInlineStepping.py
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@ -1,6 +1,6 @@
"""Test stepping over and into inlined functions.""" """Test stepping over and into inlined functions."""
import os, time import os, time, sys
import unittest2 import unittest2
import lldb import lldb
import lldbutil import lldbutil
@ -53,7 +53,7 @@ class TestInlineStepping(TestBase):
self.source_lines[name] = line_number(self.main_source, "// In " + name + ".") self.source_lines[name] = line_number(self.main_source, "// In " + name + ".")
self.main_source_spec = lldb.SBFileSpec (self.main_source) self.main_source_spec = lldb.SBFileSpec (self.main_source)
def do_step(self, step_type, destination_line_entry): def do_step(self, step_type, destination_line_entry, test_stack_depth):
expected_stack_depth = self.thread.GetNumFrames() expected_stack_depth = self.thread.GetNumFrames()
if step_type == "into": if step_type == "into":
expected_stack_depth += 1 expected_stack_depth += 1
@ -90,7 +90,7 @@ class TestInlineStepping(TestBase):
real_stack_depth = self.thread.GetNumFrames() real_stack_depth = self.thread.GetNumFrames()
if real_stack_depth != expected_stack_depth: if test_stack_depth and real_stack_depth != expected_stack_depth:
destination_description = lldb.SBStream() destination_description = lldb.SBStream()
destination_line_entry.GetDescription(destination_description) destination_line_entry.GetDescription(destination_description)
self.fail ("Step %s to %s got wrong number of frames, should be: %d was: %d."%(step_type, destination_description.GetData(), expected_stack_depth, real_stack_depth)) self.fail ("Step %s to %s got wrong number of frames, should be: %d was: %d."%(step_type, destination_description.GetData(), expected_stack_depth, real_stack_depth))
@ -105,10 +105,16 @@ class TestInlineStepping(TestBase):
target_line_entry = lldb.SBLineEntry() target_line_entry = lldb.SBLineEntry()
target_line_entry.SetFileSpec(self.main_source_spec) target_line_entry.SetFileSpec(self.main_source_spec)
test_stack_depth = True
# Work around for <rdar://problem/16363195>, the darwin unwinder seems flakey about whether it duplicates the first frame
# or not, which makes counting stack depth unreliable.
if "darwin" in sys.platform:
test_stack_depth = False
for step_pattern in step_sequence: for step_pattern in step_sequence:
step_stop_line = line_number (self.main_source, step_pattern[0]) step_stop_line = line_number (self.main_source, step_pattern[0])
target_line_entry.SetLine(step_stop_line) target_line_entry.SetLine(step_stop_line)
self.do_step (step_pattern[1], target_line_entry) self.do_step (step_pattern[1], target_line_entry, test_stack_depth)
def inline_stepping(self): def inline_stepping(self):