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532 lines
18 KiB
532 lines
18 KiB
#!/usr/bin/env python3
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#
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# This file is part of the MicroPython project, http://micropython.org/
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#
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# The MIT License (MIT)
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#
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# Copyright (c) 2016 Damien P. George
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# Python 2/3 compatibility code
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from __future__ import print_function
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import platform
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if platform.python_version_tuple()[0] == '2':
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str_cons = lambda val, enc=None: val
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bytes_cons = lambda val, enc=None: bytearray(val)
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is_str_type = lambda o: type(o) is str
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is_bytes_type = lambda o: type(o) is bytearray
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is_int_type = lambda o: type(o) is int or type(o) is long
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else:
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str_cons = str
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bytes_cons = bytes
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is_str_type = lambda o: type(o) is str
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is_bytes_type = lambda o: type(o) is bytes
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is_int_type = lambda o: type(o) is int
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# end compatibility code
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import sys
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from collections import namedtuple
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sys.path.append('../py')
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import makeqstrdata as qstrutil
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class FreezeError(Exception):
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def __init__(self, rawcode, msg):
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self.rawcode = rawcode
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self.msg = msg
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def __str__(self):
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return 'error while freezing %s: %s' % (self.rawcode.source_file, self.msg)
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class Config:
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MICROPY_LONGINT_IMPL_NONE = 0
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MICROPY_LONGINT_IMPL_LONGLONG = 1
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MICROPY_LONGINT_IMPL_MPZ = 2
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config = Config()
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MP_OPCODE_BYTE = 0
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MP_OPCODE_QSTR = 1
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MP_OPCODE_VAR_UINT = 2
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MP_OPCODE_OFFSET = 3
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# extra bytes:
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MP_BC_MAKE_CLOSURE = 0x62
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MP_BC_MAKE_CLOSURE_DEFARGS = 0x63
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MP_BC_RAISE_VARARGS = 0x5c
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# extra byte if caching enabled:
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MP_BC_LOAD_NAME = 0x1c
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MP_BC_LOAD_GLOBAL = 0x1d
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MP_BC_LOAD_ATTR = 0x1e
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MP_BC_STORE_ATTR = 0x26
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def make_opcode_format():
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def OC4(a, b, c, d):
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return a | (b << 2) | (c << 4) | (d << 6)
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U = 0
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B = 0
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Q = 1
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V = 2
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O = 3
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return bytes_cons((
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# this table is taken verbatim from py/bc.c
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OC4(U, U, U, U), # 0x00-0x03
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OC4(U, U, U, U), # 0x04-0x07
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OC4(U, U, U, U), # 0x08-0x0b
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OC4(U, U, U, U), # 0x0c-0x0f
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OC4(B, B, B, U), # 0x10-0x13
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OC4(V, U, Q, V), # 0x14-0x17
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OC4(B, U, V, V), # 0x18-0x1b
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OC4(Q, Q, Q, Q), # 0x1c-0x1f
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OC4(B, B, V, V), # 0x20-0x23
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OC4(Q, Q, Q, B), # 0x24-0x27
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OC4(V, V, Q, Q), # 0x28-0x2b
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OC4(U, U, U, U), # 0x2c-0x2f
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OC4(B, B, B, B), # 0x30-0x33
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OC4(B, O, O, O), # 0x34-0x37
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OC4(O, O, U, U), # 0x38-0x3b
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OC4(U, O, B, O), # 0x3c-0x3f
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OC4(O, B, B, O), # 0x40-0x43
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OC4(B, B, O, U), # 0x44-0x47
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OC4(U, U, U, U), # 0x48-0x4b
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OC4(U, U, U, U), # 0x4c-0x4f
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OC4(V, V, V, V), # 0x50-0x53
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OC4(B, V, V, V), # 0x54-0x57
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OC4(V, V, V, B), # 0x58-0x5b
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OC4(B, B, B, U), # 0x5c-0x5f
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OC4(V, V, V, V), # 0x60-0x63
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OC4(V, V, V, V), # 0x64-0x67
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OC4(Q, Q, B, U), # 0x68-0x6b
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OC4(U, U, U, U), # 0x6c-0x6f
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OC4(B, B, B, B), # 0x70-0x73
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OC4(B, B, B, B), # 0x74-0x77
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OC4(B, B, B, B), # 0x78-0x7b
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OC4(B, B, B, B), # 0x7c-0x7f
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OC4(B, B, B, B), # 0x80-0x83
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OC4(B, B, B, B), # 0x84-0x87
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OC4(B, B, B, B), # 0x88-0x8b
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OC4(B, B, B, B), # 0x8c-0x8f
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OC4(B, B, B, B), # 0x90-0x93
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OC4(B, B, B, B), # 0x94-0x97
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OC4(B, B, B, B), # 0x98-0x9b
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OC4(B, B, B, B), # 0x9c-0x9f
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OC4(B, B, B, B), # 0xa0-0xa3
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OC4(B, B, B, B), # 0xa4-0xa7
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OC4(B, B, B, B), # 0xa8-0xab
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OC4(B, B, B, B), # 0xac-0xaf
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OC4(B, B, B, B), # 0xb0-0xb3
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OC4(B, B, B, B), # 0xb4-0xb7
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OC4(B, B, B, B), # 0xb8-0xbb
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OC4(B, B, B, B), # 0xbc-0xbf
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OC4(B, B, B, B), # 0xc0-0xc3
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OC4(B, B, B, B), # 0xc4-0xc7
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OC4(B, B, B, B), # 0xc8-0xcb
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OC4(B, B, B, B), # 0xcc-0xcf
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OC4(B, B, B, B), # 0xd0-0xd3
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OC4(B, B, B, B), # 0xd4-0xd7
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OC4(B, B, B, B), # 0xd8-0xdb
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OC4(B, B, B, B), # 0xdc-0xdf
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OC4(B, B, B, B), # 0xe0-0xe3
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OC4(B, B, B, B), # 0xe4-0xe7
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OC4(B, B, B, B), # 0xe8-0xeb
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OC4(B, B, B, B), # 0xec-0xef
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OC4(B, B, B, B), # 0xf0-0xf3
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OC4(B, B, B, B), # 0xf4-0xf7
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OC4(B, B, B, U), # 0xf8-0xfb
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OC4(U, U, U, U), # 0xfc-0xff
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))
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# this function mirrors that in py/bc.c
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def mp_opcode_format(bytecode, ip, opcode_format=make_opcode_format()):
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opcode = bytecode[ip]
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ip_start = ip
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f = (opcode_format[opcode >> 2] >> (2 * (opcode & 3))) & 3
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if f == MP_OPCODE_QSTR:
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ip += 3
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else:
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extra_byte = (
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opcode == MP_BC_RAISE_VARARGS
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or opcode == MP_BC_MAKE_CLOSURE
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or opcode == MP_BC_MAKE_CLOSURE_DEFARGS
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or config.MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE and (
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opcode == MP_BC_LOAD_NAME
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or opcode == MP_BC_LOAD_GLOBAL
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or opcode == MP_BC_LOAD_ATTR
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or opcode == MP_BC_STORE_ATTR
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)
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)
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ip += 1
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if f == MP_OPCODE_VAR_UINT:
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while bytecode[ip] & 0x80 != 0:
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ip += 1
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ip += 1
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elif f == MP_OPCODE_OFFSET:
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ip += 2
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ip += extra_byte
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return f, ip - ip_start
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def decode_uint(bytecode, ip):
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unum = 0
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while True:
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val = bytecode[ip]
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ip += 1
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unum = (unum << 7) | (val & 0x7f)
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if not (val & 0x80):
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break
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return ip, unum
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def extract_prelude(bytecode):
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ip = 0
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ip, n_state = decode_uint(bytecode, ip)
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ip, n_exc_stack = decode_uint(bytecode, ip)
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scope_flags = bytecode[ip]; ip += 1
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n_pos_args = bytecode[ip]; ip += 1
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n_kwonly_args = bytecode[ip]; ip += 1
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n_def_pos_args = bytecode[ip]; ip += 1
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ip2, code_info_size = decode_uint(bytecode, ip)
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ip += code_info_size
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while bytecode[ip] != 0xff:
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ip += 1
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ip += 1
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# ip now points to first opcode
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# ip2 points to simple_name qstr
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return ip, ip2, (n_state, n_exc_stack, scope_flags, n_pos_args, n_kwonly_args, n_def_pos_args, code_info_size)
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class RawCode:
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def __init__(self, bytecode, qstrs, objs, raw_codes):
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# set core variables
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self.bytecode = bytecode
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self.qstrs = qstrs
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self.objs = objs
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self.raw_codes = raw_codes
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# extract prelude
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self.ip, self.ip2, self.prelude = extract_prelude(self.bytecode)
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self.simple_name = self._unpack_qstr(self.ip2)
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self.source_file = self._unpack_qstr(self.ip2 + 2)
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def _unpack_qstr(self, ip):
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qst = self.bytecode[ip] | self.bytecode[ip + 1] << 8
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return global_qstrs[qst]
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def dump(self):
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# dump children first
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for rc in self.raw_codes:
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rc.freeze()
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# TODO
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def freeze(self, parent_name):
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self.escaped_name = parent_name + self.simple_name.qstr_esc
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# emit children first
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for rc in self.raw_codes:
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rc.freeze(self.escaped_name + '_')
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# generate bytecode data
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print()
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print('// frozen bytecode for file %s, scope %s%s' % (self.source_file.str, parent_name, self.simple_name.str))
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print('STATIC const byte bytecode_data_%s[%u] = {' % (self.escaped_name, len(self.bytecode)))
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print(' ', end='')
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for i in range(self.ip2):
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print(' 0x%02x,' % self.bytecode[i], end='')
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print()
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print(' ', self.simple_name.qstr_id, '& 0xff,', self.simple_name.qstr_id, '>> 8,')
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print(' ', self.source_file.qstr_id, '& 0xff,', self.source_file.qstr_id, '>> 8,')
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print(' ', end='')
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for i in range(self.ip2 + 4, self.ip):
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print(' 0x%02x,' % self.bytecode[i], end='')
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print()
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ip = self.ip
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while ip < len(self.bytecode):
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f, sz = mp_opcode_format(self.bytecode, ip)
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if f == 1:
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qst = self._unpack_qstr(ip + 1).qstr_id
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print(' ', '0x%02x,' % self.bytecode[ip], qst, '& 0xff,', qst, '>> 8,')
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else:
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print(' ', ''.join('0x%02x, ' % self.bytecode[ip + i] for i in range(sz)))
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ip += sz
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print('};')
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# generate constant objects
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for i, obj in enumerate(self.objs):
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obj_name = 'const_obj_%s_%u' % (self.escaped_name, i)
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if is_str_type(obj):
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obj = bytes_cons(obj, 'utf8')
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print('STATIC const mp_obj_str_t %s = '
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'{{&mp_type_str}, 0, %u, (const byte*)"%s"};'
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% (obj_name, len(obj), ''.join(('\\x%02x' % b) for b in obj)))
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elif is_bytes_type(obj):
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print('STATIC const mp_obj_str_t %s = '
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'{{&mp_type_bytes}, 0, %u, (const byte*)"%s"};'
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% (obj_name, len(obj), ''.join(('\\x%02x' % b) for b in obj)))
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elif is_int_type(obj):
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if config.MICROPY_LONGINT_IMPL == config.MICROPY_LONGINT_IMPL_NONE:
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# TODO check if we can actually fit this long-int into a small-int
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raise FreezeError(self, 'target does not support long int')
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elif config.MICROPY_LONGINT_IMPL == config.MICROPY_LONGINT_IMPL_LONGLONG:
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# TODO
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raise FreezeError(self, 'freezing int to long-long is not implemented')
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elif config.MICROPY_LONGINT_IMPL == config.MICROPY_LONGINT_IMPL_MPZ:
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neg = 0
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if obj < 0:
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obj = -obj
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neg = 1
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bits_per_dig = config.MPZ_DIG_SIZE
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digs = []
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z = obj
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while z:
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digs.append(z & ((1 << bits_per_dig) - 1))
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z >>= bits_per_dig
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ndigs = len(digs)
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digs = ','.join(('%#x' % d) for d in digs)
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print('STATIC const mp_obj_int_t %s = {{&mp_type_int}, '
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'{.neg=%u, .fixed_dig=1, .alloc=%u, .len=%u, .dig=(uint%u_t[]){%s}}};'
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% (obj_name, neg, ndigs, ndigs, bits_per_dig, digs))
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elif type(obj) is float:
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# works for REPR A and B only
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print('STATIC const mp_obj_float_t %s = {{&mp_type_float}, %.16g};'
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% (obj_name, obj))
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else:
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# TODO
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raise FreezeError(self, 'freezing of object %r is not implemented' % (obj,))
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# generate constant table
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print('STATIC const mp_uint_t const_table_data_%s[%u] = {'
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% (self.escaped_name, len(self.qstrs) + len(self.objs) + len(self.raw_codes)))
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for qst in self.qstrs:
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print(' (mp_uint_t)MP_OBJ_NEW_QSTR(%s),' % global_qstrs[qst].qstr_id)
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for i in range(len(self.objs)):
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print(' (mp_uint_t)&const_obj_%s_%u,' % (self.escaped_name, i))
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for rc in self.raw_codes:
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print(' (mp_uint_t)&raw_code_%s,' % rc.escaped_name)
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print('};')
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# generate module
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if self.simple_name.str != '<module>':
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print('STATIC ', end='')
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print('const mp_raw_code_t raw_code_%s = {' % self.escaped_name)
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print(' .kind = MP_CODE_BYTECODE,')
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print(' .scope_flags = 0x%02x,' % self.prelude[2])
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print(' .n_pos_args = %u,' % self.prelude[3])
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print(' .data.u_byte = {')
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print(' .bytecode = bytecode_data_%s,' % self.escaped_name)
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print(' .const_table = const_table_data_%s,' % self.escaped_name)
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print(' #if MICROPY_PERSISTENT_CODE_SAVE')
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print(' .bc_len = %u,' % len(self.bytecode))
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print(' .n_obj = %u,' % len(self.objs))
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print(' .n_raw_code = %u,' % len(self.raw_codes))
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print(' #endif')
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print(' },')
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print('};')
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def read_uint(f):
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i = 0
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while True:
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b = bytes_cons(f.read(1))[0]
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i = (i << 7) | (b & 0x7f)
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if b & 0x80 == 0:
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break
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return i
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global_qstrs = []
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qstr_type = namedtuple('qstr', ('str', 'qstr_esc', 'qstr_id'))
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def read_qstr(f):
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ln = read_uint(f)
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data = str_cons(f.read(ln), 'utf8')
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qstr_esc = qstrutil.qstr_escape(data)
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global_qstrs.append(qstr_type(data, qstr_esc, 'MP_QSTR_' + qstr_esc))
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return len(global_qstrs) - 1
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def read_obj(f):
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obj_type = f.read(1)
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if obj_type == b'e':
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return Ellipsis
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else:
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buf = f.read(read_uint(f))
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if obj_type == b's':
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return str_cons(buf, 'utf8')
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elif obj_type == b'b':
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return bytes_cons(buf)
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elif obj_type == b'i':
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return int(str_cons(buf, 'ascii'), 10)
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elif obj_type == b'f':
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return float(str_cons(buf, 'ascii'))
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elif obj_type == b'c':
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return complex(str_cons(buf, 'ascii'))
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else:
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assert 0
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def read_qstr_and_pack(f, bytecode, ip):
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qst = read_qstr(f)
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bytecode[ip] = qst & 0xff
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bytecode[ip + 1] = qst >> 8
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def read_bytecode_qstrs(file, bytecode, ip):
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while ip < len(bytecode):
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f, sz = mp_opcode_format(bytecode, ip)
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if f == 1:
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read_qstr_and_pack(file, bytecode, ip + 1)
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ip += sz
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def read_raw_code(f):
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bc_len = read_uint(f)
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bytecode = bytearray(f.read(bc_len))
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ip, ip2, prelude = extract_prelude(bytecode)
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read_qstr_and_pack(f, bytecode, ip2) # simple_name
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read_qstr_and_pack(f, bytecode, ip2 + 2) # source_file
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read_bytecode_qstrs(f, bytecode, ip)
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n_obj = read_uint(f)
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n_raw_code = read_uint(f)
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qstrs = [read_qstr(f) for _ in range(prelude[3] + prelude[4])]
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objs = [read_obj(f) for _ in range(n_obj)]
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raw_codes = [read_raw_code(f) for _ in range(n_raw_code)]
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return RawCode(bytecode, qstrs, objs, raw_codes)
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def read_mpy(filename):
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with open(filename, 'rb') as f:
|
|
header = bytes_cons(f.read(4))
|
|
if header[0] != ord('M'):
|
|
raise Exception('not a valid .mpy file')
|
|
if header[1] != 0:
|
|
raise Exception('incompatible version')
|
|
feature_flags = header[2]
|
|
config.MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE = (feature_flags & 1) != 0
|
|
config.MICROPY_PY_BUILTINS_STR_UNICODE = (feature_flags & 2) != 0
|
|
config.mp_small_int_bits = header[3]
|
|
return read_raw_code(f)
|
|
|
|
def dump_mpy(raw_codes):
|
|
for rc in raw_codes:
|
|
rc.dump()
|
|
|
|
def freeze_mpy(qcfgs, base_qstrs, raw_codes):
|
|
cfg_bytes_len = int(qcfgs['BYTES_IN_LEN'])
|
|
cfg_bytes_hash = int(qcfgs['BYTES_IN_HASH'])
|
|
|
|
# add to qstrs
|
|
new = {}
|
|
for q in global_qstrs:
|
|
# don't add duplicates
|
|
if q.qstr_esc in base_qstrs or q.qstr_esc in new:
|
|
continue
|
|
new[q.qstr_esc] = (len(new), q.qstr_esc, q.str)
|
|
new = sorted(new.values(), key=lambda x: x[0])
|
|
|
|
print('#include "py/mpconfig.h"')
|
|
print('#include "py/objint.h"')
|
|
print('#include "py/objstr.h"')
|
|
print('#include "py/emitglue.h"')
|
|
print()
|
|
|
|
print('#if MICROPY_PY_BUILTINS_FLOAT')
|
|
print('typedef struct _mp_obj_float_t {')
|
|
print(' mp_obj_base_t base;')
|
|
print(' mp_float_t value;')
|
|
print('} mp_obj_float_t;')
|
|
print('#endif')
|
|
print()
|
|
|
|
print('enum {')
|
|
for i in range(len(new)):
|
|
if i == 0:
|
|
print(' MP_QSTR_%s = MP_QSTRnumber_of,' % new[i][1])
|
|
else:
|
|
print(' MP_QSTR_%s,' % new[i][1])
|
|
print('};')
|
|
|
|
print()
|
|
print('extern const qstr_pool_t mp_qstr_const_pool;');
|
|
print('const qstr_pool_t mp_qstr_frozen_const_pool = {')
|
|
print(' (qstr_pool_t*)&mp_qstr_const_pool, // previous pool')
|
|
print(' MP_QSTRnumber_of, // previous pool size')
|
|
print(' %u, // allocated entries' % len(new))
|
|
print(' %u, // used entries' % len(new))
|
|
print(' {')
|
|
for _, _, qstr in new:
|
|
print(' %s,' % qstrutil.make_bytes(cfg_bytes_len, cfg_bytes_hash, qstr))
|
|
print(' },')
|
|
print('};')
|
|
|
|
for rc in raw_codes:
|
|
rc.freeze(rc.source_file.str.replace('/', '_')[:-3] + '_')
|
|
|
|
print()
|
|
print('const char mp_frozen_mpy_names[] = {')
|
|
for rc in raw_codes:
|
|
module_name = rc.source_file.str[:-len(".py")]
|
|
slash = module_name.rfind('/')
|
|
if slash != -1:
|
|
module_name = module_name[slash + 1:]
|
|
print('"%s\\0"' % module_name)
|
|
print('"\\0"};')
|
|
|
|
print('const mp_raw_code_t *const mp_frozen_mpy_content[] = {')
|
|
for rc in raw_codes:
|
|
print(' &raw_code_%s,' % rc.escaped_name)
|
|
print('};')
|
|
|
|
def main():
|
|
import argparse
|
|
cmd_parser = argparse.ArgumentParser(description='A tool to work with MicroPython .mpy files.')
|
|
cmd_parser.add_argument('-d', '--dump', action='store_true',
|
|
help='dump contents of files')
|
|
cmd_parser.add_argument('-f', '--freeze', action='store_true',
|
|
help='freeze files')
|
|
cmd_parser.add_argument('-q', '--qstr-header',
|
|
help='qstr header file to freeze against')
|
|
cmd_parser.add_argument('-mlongint-impl', choices=['none', 'longlong', 'mpz'], default='mpz',
|
|
help='long-int implementation used by target (default mpz)')
|
|
cmd_parser.add_argument('-mmpz-dig-size', metavar='N', type=int, default=16,
|
|
help='mpz digit size used by target (default 16)')
|
|
cmd_parser.add_argument('files', nargs='+',
|
|
help='input .mpy files')
|
|
args = cmd_parser.parse_args()
|
|
|
|
# set config values relevant to target machine
|
|
config.MICROPY_LONGINT_IMPL = {
|
|
'none':config.MICROPY_LONGINT_IMPL_NONE,
|
|
'longlong':config.MICROPY_LONGINT_IMPL_LONGLONG,
|
|
'mpz':config.MICROPY_LONGINT_IMPL_MPZ,
|
|
}[args.mlongint_impl]
|
|
config.MPZ_DIG_SIZE = args.mmpz_dig_size
|
|
|
|
if args.qstr_header:
|
|
qcfgs, base_qstrs = qstrutil.parse_input_headers([args.qstr_header])
|
|
else:
|
|
qcfgs, base_qstrs = {'BYTES_IN_LEN':1, 'BYTES_IN_HASH':1}, {}
|
|
|
|
raw_codes = [read_mpy(file) for file in args.files]
|
|
|
|
if args.dump:
|
|
dump_mpy(raw_codes)
|
|
elif args.freeze:
|
|
try:
|
|
freeze_mpy(qcfgs, base_qstrs, raw_codes)
|
|
except FreezeError as er:
|
|
print(er, file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
if __name__ == '__main__':
|
|
main()
|
|
|