def perform_check(self, arguments, my_env):
"""Check if compiling to asm then assembling in separate steps results
in different code than compiling to object directly."""
output_file_b = get_temp_file_name('.o')
alternate_command = arguments + ['-via-file-asm']
alternate_command = set_output_file(alternate_command, output_file_b)
run_step(alternate_command, my_env,
"Error compiling with -via-file-asm")
# Compare if object files are exactly the same
exactly_equal = obj_diff.compare_exact(self._output_file_a, output_file_b)
if not exactly_equal:
# Compare disassembly (returns first diff if differs)
difference = obj_diff.compare_object_files(self._output_file_a,
output_file_b)
if difference:
raise WrapperCheckException(
"Code difference detected with -S\n{}".format(difference))
# Code is identical, compare debug info
dbgdifference = obj_diff.compare_debug_info(self._output_file_a,
output_file_b)
if dbgdifference:
raise WrapperCheckException(
"Debug info difference detected with -S\n{}".format(dbgdifference))
raise WrapperCheckException("Object files not identical with -S\n")
# Clean up temp file if comparison okay
os.remove(output_file_b)
def perform_check(self, arguments, my_env):
"""Check if compiling to asm then assembling in separate steps results
in different code than compiling to object directly."""
output_file_b = get_temp_file_name('.o')
alternate_command = arguments + ['-via-file-asm']
alternate_command = set_output_file(alternate_command, output_file_b)
run_step(alternate_command, my_env,
"Error compiling with -via-file-asm")
# Compare if object files are exactly the same
exactly_equal = obj_diff.compare_exact(self._output_file_a,
output_file_b)
if not exactly_equal:
# Compare disassembly (returns first diff if differs)
difference = obj_diff.compare_object_files(self._output_file_a,
output_file_b)
if difference:
raise WrapperCheckException(
"Code difference detected with -S\n{}".format(difference))
# Code is identical, compare debug info
dbgdifference = obj_diff.compare_debug_info(
self._output_file_a, output_file_b)
if dbgdifference:
raise WrapperCheckException(
"Debug info difference detected with -S\n{}".format(
dbgdifference))
raise WrapperCheckException("Object files not identical with -S\n")
# Clean up temp file if comparison okay
os.remove(output_file_b)
def perform_check(self, arguments, my_env):
"""Check if different code is generated with/without the -g flag."""
output_file_b = get_temp_file_name('.o')
alternate_command = list(arguments)
alternate_command = flip_dash_g(alternate_command)
alternate_command = set_output_file(alternate_command, output_file_b)
run_step(alternate_command, my_env, "Error compiling with -g")
# Compare disassembly (returns first diff if differs)
difference = obj_diff.compare_object_files(self._output_file_a,
output_file_b)
if difference:
raise WrapperCheckException(
"Code difference detected with -g\n{}".format(difference))
# Clean up temp file if comparison okay
os.remove(output_file_b)
def perform_check(self, arguments, my_env):
"""Check if different code is generated with/without the -g flag."""
output_file_b = get_temp_file_name('.o')
alternate_command = list(arguments)
alternate_command = flip_dash_g(alternate_command)
alternate_command = set_output_file(alternate_command, output_file_b)
run_step(alternate_command, my_env, "Error compiling with -g")
# Compare disassembly (returns first diff if differs)
difference = obj_diff.compare_object_files(self._output_file_a,
output_file_b)
if difference:
raise WrapperCheckException(
"Code difference detected with -g\n{}".format(difference))
# Clean up temp file if comparison okay
os.remove(output_file_b)