1#!/usr/bin/env python3 2 3import argparse 4import difflib 5import errno 6import os 7import pathlib 8import subprocess 9import sys 10 11# The meson version handles windows paths better, but if it's not available 12# fall back to shlex 13try: 14 from meson.mesonlib import split_args 15except ImportError: 16 from shlex import split as split_args 17 18parser = argparse.ArgumentParser() 19parser.add_argument('--i965_asm', 20 help='path to i965_asm binary') 21parser.add_argument('--gen_name', 22 help='name of the hardware generation (as understood by i965_asm)') 23parser.add_argument('--gen_folder', 24 type=pathlib.Path, 25 help='name of the folder for the generation') 26args = parser.parse_args() 27 28wrapper = os.environ.get('MESON_EXE_WRAPPER') 29if wrapper is not None: 30 i965_asm = split_args(wrapper) + [args.i965_asm] 31else: 32 i965_asm = [args.i965_asm] 33 34success = True 35 36for asm_file in args.gen_folder.glob('*.asm'): 37 expected_file = asm_file.stem + '.expected' 38 expected_path = args.gen_folder / expected_file 39 40 try: 41 command = i965_asm + [ 42 '--type', 'hex', 43 '--gen', args.gen_name, 44 asm_file 45 ] 46 with subprocess.Popen(command, 47 stdout=subprocess.PIPE, 48 stderr=subprocess.DEVNULL) as cmd: 49 lines_after = [line.decode('ascii') for line in cmd.stdout.readlines()] 50 except OSError as e: 51 if e.errno == errno.ENOEXEC: 52 print('Skipping due to inability to run host binaries.', 53 file=sys.stderr) 54 exit(77) 55 raise 56 57 with expected_path.open() as f: 58 lines_before = f.readlines() 59 60 diff = ''.join(difflib.unified_diff(lines_before, lines_after, 61 expected_file, asm_file.stem + '.out')) 62 63 if diff: 64 print('Output comparison for {}:'.format(asm_file.name)) 65 print(diff) 66 success = False 67 else: 68 print('{} : PASS'.format(asm_file.name)) 69 70if not success: 71 exit(1) 72