70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/*
|
|
* 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 {
|
|
int pass;
|
|
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 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
|