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py/nativeglue: Add funcs/types to native glue table for dynamic runtime. 

These allow discovery of symbols by native code that is loaded dynamically.
This commit is contained in:
Damien George 2019-10-08 23:00:34 +11:00
parent 360d972c16
commit 3690f79afc
2 changed files with 61 additions and 0 deletions
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29
py/nativeglue.c
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@ -24,6 +24,7 @@
* THE SOFTWARE.
*/
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
@ -31,6 +32,7 @@
#include "py/runtime.h"
#include "py/smallint.h"
#include "py/nativeglue.h"
#include "py/gc.h"
#if MICROPY_DEBUG_VERBOSE // print debugging info
#define DEBUG_printf DEBUG_printf
@ -269,6 +271,33 @@ const mp_fun_table_t mp_fun_table = {
#else
NULL,
#endif
// Additional entries for dynamic runtime, starts at index 50
memset,
memmove,
gc_realloc,
mp_printf,
mp_vprintf,
mp_raise_msg,
mp_obj_get_type,
mp_obj_new_str,
mp_obj_new_bytes,
mp_obj_new_bytearray_by_ref,
mp_get_buffer_raise,
mp_get_stream_raise,
&mp_plat_print,
&mp_type_type,
&mp_type_str,
&mp_type_list,
&mp_type_dict,
&mp_type_fun_builtin_0,
&mp_type_fun_builtin_1,
&mp_type_fun_builtin_2,
&mp_type_fun_builtin_3,
&mp_type_fun_builtin_var,
&mp_stream_read_obj,
&mp_stream_readinto_obj,
&mp_stream_unbuffered_readline_obj,
&mp_stream_write_obj,
};
#endif // MICROPY_EMIT_NATIVE

32
py/nativeglue.h
View File

@ -26,8 +26,10 @@
#ifndef MICROPY_INCLUDED_PY_NATIVEGLUE_H
#define MICROPY_INCLUDED_PY_NATIVEGLUE_H
#include <stdarg.h>
#include "py/obj.h"
#include "py/persistentcode.h"
#include "py/stream.h"
typedef enum {
MP_F_CONST_NONE_OBJ = 0,
@ -134,6 +136,36 @@ typedef struct _mp_fun_table_t {
mp_int_t (*small_int_modulo)(mp_int_t dividend, mp_int_t divisor);
bool (*yield_from)(mp_obj_t gen, mp_obj_t send_value, mp_obj_t *ret_value);
void *setjmp;
// Additional entries for dynamic runtime, starts at index 50
void *(*memset_)(void *s, int c, size_t n);
void *(*memmove_)(void *dest, const void *src, size_t n);
void *(*realloc_)(void *ptr, size_t n_bytes, bool allow_move);
int (*printf_)(const mp_print_t *print, const char *fmt, ...);
int (*vprintf_)(const mp_print_t *print, const char *fmt, va_list args);
#if defined(__GNUC__)
NORETURN // Only certain compilers support no-return attributes in function pointer declarations
#endif
void (*raise_msg)(const mp_obj_type_t *exc_type, const char *msg);
mp_obj_type_t *(*obj_get_type)(mp_const_obj_t o_in);
mp_obj_t (*obj_new_str)(const char* data, size_t len);
mp_obj_t (*obj_new_bytes)(const byte* data, size_t len);
mp_obj_t (*obj_new_bytearray_by_ref)(size_t n, void *items);
void (*get_buffer_raise)(mp_obj_t obj, mp_buffer_info_t *bufinfo, mp_uint_t flags);
const mp_stream_p_t *(*get_stream_raise)(mp_obj_t self_in, int flags);
const mp_print_t *plat_print;
const mp_obj_type_t *type_type;
const mp_obj_type_t *type_str;
const mp_obj_type_t *type_list;
const mp_obj_type_t *type_dict;
const mp_obj_type_t *type_fun_builtin_0;
const mp_obj_type_t *type_fun_builtin_1;
const mp_obj_type_t *type_fun_builtin_2;
const mp_obj_type_t *type_fun_builtin_3;
const mp_obj_type_t *type_fun_builtin_var;
const mp_obj_fun_builtin_var_t *stream_read_obj;
const mp_obj_fun_builtin_var_t *stream_readinto_obj;
const mp_obj_fun_builtin_var_t *stream_unbuffered_readline_obj;
const mp_obj_fun_builtin_var_t *stream_write_obj;
} mp_fun_table_t;
extern const mp_fun_table_t mp_fun_table;