forked from xuos/xiuos
116 lines
4.3 KiB
C
116 lines
4.3 KiB
C
/*
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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) 2013-2016 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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*/
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#ifndef MICROPY_INCLUDED_PY_PERSISTENTCODE_H
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#define MICROPY_INCLUDED_PY_PERSISTENTCODE_H
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#include "py/mpprint.h"
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#include "py/reader.h"
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#include "py/emitglue.h"
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// The current version of .mpy files
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#define MPY_VERSION 5
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// Macros to encode/decode flags to/from the feature byte
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#define MPY_FEATURE_ENCODE_FLAGS(flags) (flags)
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#define MPY_FEATURE_DECODE_FLAGS(feat) ((feat) & 3)
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// Macros to encode/decode native architecture to/from the feature byte
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#define MPY_FEATURE_ENCODE_ARCH(arch) ((arch) << 2)
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#define MPY_FEATURE_DECODE_ARCH(feat) ((feat) >> 2)
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// The feature flag bits encode the compile-time config options that
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// affect the generate bytecode.
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#define MPY_FEATURE_FLAGS ( \
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((MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE) << 0) \
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| ((MICROPY_PY_BUILTINS_STR_UNICODE) << 1) \
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)
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// This is a version of the flags that can be configured at runtime.
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#define MPY_FEATURE_FLAGS_DYNAMIC ( \
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((MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE_DYNAMIC) << 0) \
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| ((MICROPY_PY_BUILTINS_STR_UNICODE_DYNAMIC) << 1) \
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)
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// Define the host architecture
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#if MICROPY_EMIT_X86
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_X86)
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#elif MICROPY_EMIT_X64
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_X64)
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#elif MICROPY_EMIT_THUMB
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#if defined(__thumb2__)
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#if defined(__ARM_FP) && (__ARM_FP & 8) == 8
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_ARMV7EMDP)
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#elif defined(__ARM_FP) && (__ARM_FP & 4) == 4
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_ARMV7EMSP)
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#else
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_ARMV7EM)
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#endif
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#else
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_ARMV7M)
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#endif
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#define MPY_FEATURE_ARCH_TEST(x) (MP_NATIVE_ARCH_ARMV6M <= (x) && (x) <= MPY_FEATURE_ARCH)
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#elif MICROPY_EMIT_ARM
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_ARMV6)
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#elif MICROPY_EMIT_XTENSA
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_XTENSA)
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#elif MICROPY_EMIT_XTENSAWIN
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_XTENSAWIN)
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#else
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_NONE)
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#endif
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#ifndef MPY_FEATURE_ARCH_TEST
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#define MPY_FEATURE_ARCH_TEST(x) ((x) == MPY_FEATURE_ARCH)
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#endif
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// 16-bit little-endian integer with the second and third bytes of supported .mpy files
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#define MPY_FILE_HEADER_INT (MPY_VERSION \
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| (MPY_FEATURE_ENCODE_FLAGS(MPY_FEATURE_FLAGS) | MPY_FEATURE_ENCODE_ARCH(MPY_FEATURE_ARCH)) << 8)
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enum {
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MP_NATIVE_ARCH_NONE = 0,
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MP_NATIVE_ARCH_X86,
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MP_NATIVE_ARCH_X64,
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MP_NATIVE_ARCH_ARMV6,
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MP_NATIVE_ARCH_ARMV6M,
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MP_NATIVE_ARCH_ARMV7M,
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MP_NATIVE_ARCH_ARMV7EM,
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MP_NATIVE_ARCH_ARMV7EMSP,
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MP_NATIVE_ARCH_ARMV7EMDP,
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MP_NATIVE_ARCH_XTENSA,
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MP_NATIVE_ARCH_XTENSAWIN,
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};
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mp_raw_code_t *mp_raw_code_load(mp_reader_t *reader);
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mp_raw_code_t *mp_raw_code_load_mem(const byte *buf, size_t len);
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mp_raw_code_t *mp_raw_code_load_file(const char *filename);
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void mp_raw_code_save(mp_raw_code_t *rc, mp_print_t *print);
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void mp_raw_code_save_file(mp_raw_code_t *rc, const char *filename);
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void mp_native_relocate(void *reloc, uint8_t *text, uintptr_t reloc_text);
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#endif // MICROPY_INCLUDED_PY_PERSISTENTCODE_H
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