diff options
| -rw-r--r-- | py/emitglue.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/py/emitglue.c b/py/emitglue.c index e6f3fc16d8..9483e1160c 100644 --- a/py/emitglue.c +++ b/py/emitglue.c @@ -319,12 +319,16 @@ STATIC mp_raw_code_t *load_raw_code(mp_reader_t *reader) { } mp_raw_code_t *mp_raw_code_load(mp_reader_t *reader) { - byte header[2]; - read_bytes(reader, header, 2); + byte header[3]; + read_bytes(reader, header, 3); if (strncmp((char*)header, "M\x00", 2) != 0) { nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "invalid .mpy file")); } + if (header[2] != MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) { + nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, + "incompatible .mpy file")); + } return load_raw_code(reader); } @@ -558,7 +562,13 @@ STATIC void save_raw_code(mp_print_t *print, mp_raw_code_t *rc) { } void mp_raw_code_save(mp_raw_code_t *rc, mp_print_t *print) { - mp_print_bytes(print, (const byte*)"M\x00", 2); + // header contains: + // byte 'M' + // byte version + // byte feature flags (right now just OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) + byte header[3] = {'M', 0, MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE}; + mp_print_bytes(print, header, 3); + save_raw_code(print, rc); } |