text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2016 Damien P. George
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  #ifndef MICROPY_INCLUDED_PY_ASMBASE_H
  #define MICROPY_INCLUDED_PY_ASMBASE_H
  
  #include <stdint.h>
  #include <stdbool.h>
  
  #define MP_ASM_PASS_COMPUTE (1)
  #define MP_ASM_PASS_EMIT    (2)
  
  typedef struct _mp_asm_base_t {
      uint8_t pass;
  
      // Set to true using mp_asm_base_suppress_code() if the code generator
      // should suppress emitted code due to it being dead code.
      bool suppress;
  
      size_t code_offset;
      size_t code_size;
      uint8_t *code_base;
  
      size_t max_num_labels;
      size_t *label_offsets;
  } mp_asm_base_t;
  
  void mp_asm_base_init(mp_asm_base_t *as, size_t max_num_labels);
  void mp_asm_base_deinit(mp_asm_base_t *as, bool free_code);
  void mp_asm_base_start_pass(mp_asm_base_t *as, int pass);
  uint8_t *mp_asm_base_get_cur_to_write_bytes(void *as, size_t num_bytes_to_write);
  void mp_asm_base_label_assign(mp_asm_base_t *as, size_t label);
  void mp_asm_base_align(mp_asm_base_t *as, unsigned int align);
  void mp_asm_base_data(mp_asm_base_t *as, unsigned int bytesize, uintptr_t val);
  
  static inline void mp_asm_base_suppress_code(mp_asm_base_t *as) {
      as->suppress = true;
  }
  
  static inline size_t mp_asm_base_get_code_pos(mp_asm_base_t *as) {
      return as->code_offset;
  }
  
  static inline size_t mp_asm_base_get_code_size(mp_asm_base_t *as) {
      return as->code_size;
  }
  
  static inline void *mp_asm_base_get_code(mp_asm_base_t *as) {
      #if defined(MP_PLAT_COMMIT_EXEC)
      return MP_PLAT_COMMIT_EXEC(as->code_base, as->code_size, NULL);
      #else
      return as->code_base;
      #endif
  }
  
  #endif // MICROPY_INCLUDED_PY_ASMBASE_H
  