Files
OSACA/tests/test_parser_AArch64v81.py
2019-05-24 15:10:02 +02:00

244 lines
10 KiB
Python
Executable File

#!/usr/bin/env python3
"""
Unit tests for ARMv8 AArch64 assembly parser
"""
import os
import unittest
from pyparsing import ParseException
from osaca.parser import ParserAArch64v81
class TestParserAArch64v81(unittest.TestCase):
def setUp(self):
self.parser = ParserAArch64v81()
with open(self._find_file('triad-arm-iaca.s')) as f:
self.triad_code = f.read()
##################
# Test
##################
def test_comment_parser(self):
self.assertEqual(self._get_comment(self.parser, '// some comments'), 'some comments')
self.assertEqual(
self._get_comment(self.parser, '\t\t//AA BB CC \t end \t'), 'AA BB CC end'
)
self.assertEqual(
self._get_comment(self.parser, '\t//// comment //// comment'),
'// comment //// comment',
)
def test_label_parser(self):
self.assertEqual(self._get_label(self.parser, 'main:')['name'], 'main')
self.assertEqual(self._get_label(self.parser, '..B1.10:')['name'], '..B1.10')
self.assertEqual(self._get_label(self.parser, '.2.3_2_pack.3:')['name'], '.2.3_2_pack.3')
self.assertEqual(self._get_label(self.parser, '.L1:\t\t\t//label1')['name'], '.L1')
self.assertEqual(
' '.join(self._get_label(self.parser, '.L1:\t\t\t//label1')['comment']), 'label1'
)
with self.assertRaises(ParseException):
self._get_label(self.parser, '\t.cfi_startproc')
def test_directive_parser(self):
self.assertEqual(self._get_directive(self.parser, '\t.text')['name'], 'text')
self.assertEqual(len(self._get_directive(self.parser, '\t.text')['parameters']), 0)
self.assertEqual(self._get_directive(self.parser, '\t.align\t16,0x90')['name'], 'align')
self.assertEqual(
len(self._get_directive(self.parser, '\t.align\t16,0x90')['parameters']), 2
)
self.assertEqual(
self._get_directive(self.parser, '\t.align\t16,0x90')['parameters'][1], '0x90'
)
self.assertEqual(
self._get_directive(self.parser, ' .byte 100,103,144 //IACA START')[
'name'
],
'byte',
)
self.assertEqual(
self._get_directive(self.parser, ' .byte 100,103,144 //IACA START')[
'parameters'
][2],
'144',
)
self.assertEqual(
' '.join(
self._get_directive(self.parser, ' .byte 100,103,144 //IACA START')[
'comment'
]
),
'IACA START',
)
def test_parse_instruction(self):
instr1 = '\t\tvcvt.F32.S32 w1, w2\t\t\t//12.27'
instr2 = 'b.lo ..B1.4 \t'
instr3 = ' mov x2,#0x222 //NOT IACA END'
instr4 = 'str x28, [sp, x1, lsl #4] //12.9'
instr5 = 'ldr x0, [x0, #:got_lo12:q2c]'
instr6 = 'adrp x0, :got:visited'
parsed_1 = self.parser.parse_instruction(instr1)
parsed_2 = self.parser.parse_instruction(instr2)
parsed_3 = self.parser.parse_instruction(instr3)
parsed_4 = self.parser.parse_instruction(instr4)
parsed_5 = self.parser.parse_instruction(instr5)
parsed_6 = self.parser.parse_instruction(instr6)
self.assertEqual(parsed_1['instruction'], 'vcvt.F32.S32')
self.assertEqual(parsed_1['operands']['destination'][0]['register']['name'], '1')
self.assertEqual(parsed_1['operands']['destination'][0]['register']['prefix'], 'w')
self.assertEqual(parsed_1['operands']['source'][0]['register']['name'], '2')
self.assertEqual(parsed_1['operands']['source'][0]['register']['prefix'], 'w')
self.assertEqual(parsed_1['comment'], '12.27')
self.assertEqual(parsed_2['instruction'], 'b.lo')
self.assertEqual(parsed_2['operands']['destination'][0]['identifier']['name'], '..B1.4')
self.assertEqual(len(parsed_2['operands']['source']), 0)
self.assertIsNone(parsed_2['comment'])
self.assertEqual(parsed_3['instruction'], 'mov')
self.assertEqual(parsed_3['operands']['destination'][0]['register']['name'], '2')
self.assertEqual(parsed_3['operands']['destination'][0]['register']['prefix'], 'x')
self.assertEqual(parsed_3['operands']['source'][0]['immediate']['value'], '0x222')
self.assertEqual(parsed_3['comment'], 'NOT IACA END')
self.assertEqual(parsed_4['instruction'], 'str')
self.assertIsNone(parsed_4['operands']['destination'][0]['memory']['offset'])
self.assertEqual(parsed_4['operands']['destination'][0]['memory']['base']['name'], 'sp')
self.assertIsNone(parsed_4['operands']['destination'][0]['memory']['base']['prefix'])
self.assertEqual(parsed_4['operands']['destination'][0]['memory']['index']['name'], '1')
self.assertEqual(parsed_4['operands']['destination'][0]['memory']['index']['prefix'], 'x')
self.assertEqual(parsed_4['operands']['destination'][0]['memory']['scale'], '16')
self.assertEqual(parsed_4['operands']['source'][0]['register']['name'], '28')
self.assertEqual(parsed_4['operands']['source'][0]['register']['prefix'], 'x')
self.assertEqual(parsed_4['comment'], '12.9')
self.assertEqual(parsed_5['instruction'], 'ldr')
self.assertEqual(parsed_5['operands']['destination'][0]['register']['name'], '0')
self.assertEqual(parsed_5['operands']['destination'][0]['register']['prefix'], 'x')
self.assertEqual(
parsed_5['operands']['source'][0]['memory']['offset']['identifier']['name'], 'q2c'
)
self.assertEqual(
parsed_5['operands']['source'][0]['memory']['offset']['identifier']['relocation'],
':got_lo12:',
)
self.assertEqual(parsed_5['operands']['source'][0]['memory']['base']['name'], '0')
self.assertEqual(parsed_5['operands']['source'][0]['memory']['base']['prefix'], 'x')
self.assertIsNone(parsed_5['operands']['source'][0]['memory']['index'])
self.assertEqual(parsed_5['operands']['source'][0]['memory']['scale'], '1')
self.assertEqual(parsed_6['instruction'], 'adrp')
self.assertEqual(parsed_6['operands']['destination'][0]['register']['name'], '0')
self.assertEqual(parsed_6['operands']['destination'][0]['register']['prefix'], 'x')
self.assertEqual(parsed_6['operands']['source'][0]['identifier']['relocation'], ':got:')
self.assertEqual(parsed_6['operands']['source'][0]['identifier']['name'], 'visited')
def test_parse_line(self):
line_comment = '// -- Begin main'
line_label = '.LBB0_1: // =>This Inner Loop Header: Depth=1'
line_directive = '\t.cfi_def_cfa w29, -16'
line_instruction = '\tldr s0, [x11, w10, sxtw #2]\t\t// = <<2'
# STREXD/STREX/STRD?
instruction_form_1 = {
'instruction': None,
'operands': None,
'directive': None,
'comment': '-- Begin main',
'label': None,
'line_number': 1,
}
instruction_form_2 = {
'instruction': None,
'operands': None,
'directive': None,
'comment': '=>This Inner Loop Header: Depth=1',
'label': '.LBB0_1',
'line_number': 2,
}
instruction_form_3 = {
'instruction': None,
'operands': None,
'directive': {'name': 'cfi_def_cfa', 'parameters': ['w29', '-16']},
'comment': None,
'label': None,
'line_number': 3,
}
instruction_form_4 = {
'instruction': 'ldr',
'operands': {
'source': [
{
'memory': {
'offset': None,
'base': {'prefix': 'x', 'name': '11'},
'index': {
'prefix': 'w',
'name': '10',
'shift_op': 'sxtw',
'shift': {'value': '2'},
},
'scale': '4',
}
}
],
'destination': [{'register': {'prefix': 's', 'name': '0'}}],
},
'directive': None,
'comment': '= <<2',
'label': None,
'line_number': 4,
}
parsed_1 = self.parser.parse_line(line_comment, 1)
parsed_2 = self.parser.parse_line(line_label, 2)
parsed_3 = self.parser.parse_line(line_directive, 3)
parsed_4 = self.parser.parse_line(line_instruction, 4)
self.assertEqual(parsed_1, instruction_form_1)
self.assertEqual(parsed_2, instruction_form_2)
self.assertEqual(parsed_3, instruction_form_3)
self.assertEqual(parsed_4['operands'], instruction_form_4['operands'])
def test_parse_file(self):
parsed = self.parser.parse_file(self.triad_code)
self.assertEqual(parsed[0]['line_number'], 1)
self.assertEqual(len(parsed), 645)
##################
# Helper functions
##################
def _get_comment(self, parser, comment):
return ' '.join(
parser._process_operand(parser.comment.parseString(comment, parseAll=True).asDict())[
'comment'
]
)
def _get_label(self, parser, label):
return parser._process_operand(parser.label.parseString(label, parseAll=True).asDict())[
'label'
]
def _get_directive(self, parser, directive):
return parser._process_operand(
parser.directive.parseString(directive, parseAll=True).asDict()
)['directive']
@staticmethod
def _find_file(name):
testdir = os.path.dirname(__file__)
name = os.path.join(testdir, 'test_files', name)
assert os.path.exists(name)
return name
if __name__ == '__main__':
suite = unittest.TestLoader().loadTestsFromTestCase(TestParserAArch64v81)
unittest.TextTestRunner(verbosity=2).run(suite)