modpyb.c

/*
 * This file is part of the Micro Python project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2014 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.
 */

#include <stdio.h>

#include "py/gc.h"
#include "gccollect.h"
#include "modmachine.h"

// The pyb module no longer exists since all functionality now appears
// elsewhere, in more standard places (eg time, machine modules).  The
// only remaining function is pyb.info() which has been moved to the
// esp module, pending deletion/renaming/moving elsewhere.

STATIC mp_obj_t pyb_info(mp_uint_t n_args, const mp_obj_t *args) {
    // print info about memory
    {
        printf("_text_start=%p\n", &_text_start);
        printf("_text_end=%p\n", &_text_end);
        printf("_irom0_text_start=%p\n", &_irom0_text_start);
        printf("_irom0_text_end=%p\n", &_irom0_text_end);
        printf("_data_start=%p\n", &_data_start);
        printf("_data_end=%p\n", &_data_end);
        printf("_rodata_start=%p\n", &_rodata_start);
        printf("_rodata_end=%p\n", &_rodata_end);
        printf("_bss_start=%p\n", &_bss_start);
        printf("_bss_end=%p\n", &_bss_end);
        printf("_heap_start=%p\n", &_heap_start);
        printf("_heap_end=%p\n", &_heap_end);
    }

    // qstr info
    {
        mp_uint_t n_pool, n_qstr, n_str_data_bytes, n_total_bytes;
        qstr_pool_info(&n_pool, &n_qstr, &n_str_data_bytes, &n_total_bytes);
        printf("qstr:\n  n_pool=" UINT_FMT "\n  n_qstr=" UINT_FMT "\n  n_str_data_bytes=" UINT_FMT "\n  n_total_bytes=" UINT_FMT "\n", n_pool, n_qstr, n_str_data_bytes, n_total_bytes);
    }

    // GC info
    {
        gc_info_t info;
        gc_info(&info);
        printf("GC:\n");
        printf("  " UINT_FMT " total\n", info.total);
        printf("  " UINT_FMT " : " UINT_FMT "\n", info.used, info.free);
        printf("  1=" UINT_FMT " 2=" UINT_FMT " m=" UINT_FMT "\n", info.num_1block, info.num_2block, info.max_block);
    }

    if (n_args == 1) {
        // arg given means dump gc allocation table
        gc_dump_alloc_table();
    }

    return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_info_obj, 0, 1, pyb_info);