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"""
Test that clang produces the __apple accelerator tables, for example, __apple_types, correctly.
"""
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
from lldbsuite.test.lldbutil import symbol_type_to_str
class AppleTypesTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
#rdar://problem/11166975
@skipUnlessDarwin
def test_debug_info_for_apple_types(self):
"""Test that __apple_types section does get produced by clang."""
if not self.getCompiler().endswith('clang'):
self.skipTest("clang compiler only test")
self.build()
if self.debug_info == "dsym":
exe = os.path.join(os.getcwd(), "a.out.dSYM/Contents/Resources/DWARF/a.out")
else:
exe = os.path.join(os.getcwd(), "main.o")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
self.assertTrue(target.GetNumModules() > 0)
# Hide stdout if not running with '-t' option.
if not self.TraceOn():
self.HideStdout()
print("Number of modules for the target: %d" % target.GetNumModules())
for module in target.module_iter():
print(module)
# Get the executable module at index 0.
exe_module = target.GetModuleAtIndex(0)
dwarf_section = exe_module.FindSection("__DWARF")
self.assertTrue(dwarf_section)
print("__DWARF section:", dwarf_section)
print("Number of sub-sections: %d" % dwarf_section.GetNumSubSections())
INDENT = ' ' * 4
for subsec in dwarf_section:
print(INDENT + str(subsec))
debug_str_sub_section = dwarf_section.FindSubSection("__debug_str")
self.assertTrue(debug_str_sub_section)
print("__debug_str sub-section:", debug_str_sub_section)
# Find our __apple_types section by name.
apple_types_sub_section = dwarf_section.FindSubSection("__apple_types")
self.assertTrue(apple_types_sub_section)
print("__apple_types sub-section:", apple_types_sub_section)
# These other three all important subsections should also be present.
self.assertTrue(dwarf_section.FindSubSection("__apple_names") and
dwarf_section.FindSubSection("__apple_namespac") and
dwarf_section.FindSubSection("__apple_objc"))
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