1 /* 2 * This file is part of the MicroPython project, http://micropython.org/ 3 * 4 * The MIT License (MIT) 5 * 6 * Copyright (c) 2013, 2014 Damien P. George 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a copy 9 * of this software and associated documentation files (the "Software"), to deal 10 * in the Software without restriction, including without limitation the rights 11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 12 * copies of the Software, and to permit persons to whom the Software is 13 * furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 24 * THE SOFTWARE. 25 */ 26 #ifndef MICROPY_INCLUDED_PY_EMITGLUE_H 27 #define MICROPY_INCLUDED_PY_EMITGLUE_H 28 29 #include "py/obj.h" 30 #include "py/bc.h" 31 32 // These variables and functions glue the code emitters to the runtime. 33 34 // These must fit in 8 bits; see scope.h 35 enum { 36 MP_EMIT_OPT_NONE, 37 MP_EMIT_OPT_BYTECODE, 38 MP_EMIT_OPT_NATIVE_PYTHON, 39 MP_EMIT_OPT_VIPER, 40 MP_EMIT_OPT_ASM, 41 }; 42 43 typedef enum { 44 MP_CODE_UNUSED, 45 MP_CODE_RESERVED, 46 MP_CODE_BYTECODE, 47 MP_CODE_NATIVE_PY, 48 MP_CODE_NATIVE_VIPER, 49 MP_CODE_NATIVE_ASM, 50 } mp_raw_code_kind_t; 51 52 typedef struct _mp_qstr_link_entry_t { 53 uint16_t off; 54 uint16_t qst; 55 } mp_qstr_link_entry_t; 56 57 typedef struct _mp_raw_code_t { 58 mp_uint_t kind : 3; // of type mp_raw_code_kind_t 59 mp_uint_t scope_flags : 7; 60 mp_uint_t n_pos_args : 11; 61 const void *fun_data; 62 const mp_uint_t *const_table; 63 #if MICROPY_PERSISTENT_CODE_SAVE 64 size_t fun_data_len; 65 uint16_t n_obj; 66 uint16_t n_raw_code; 67 #if MICROPY_PY_SYS_SETTRACE 68 mp_bytecode_prelude_t prelude; 69 // line_of_definition is a Python source line where the raw_code was 70 // created e.g. MP_BC_MAKE_FUNCTION. This is different from lineno info 71 // stored in prelude, which provides line number for first statement of 72 // a function. Required to properly implement "call" trace event. 73 mp_uint_t line_of_definition; 74 #endif 75 #if MICROPY_EMIT_MACHINE_CODE 76 uint16_t prelude_offset; 77 uint16_t n_qstr; 78 mp_qstr_link_entry_t *qstr_link; 79 #endif 80 #endif 81 #if MICROPY_EMIT_MACHINE_CODE 82 mp_uint_t type_sig; // for viper, compressed as 2-bit types; ret is MSB, then arg0, arg1, etc 83 #endif 84 } mp_raw_code_t; 85 86 mp_raw_code_t *mp_emit_glue_new_raw_code(void); 87 88 void mp_emit_glue_assign_bytecode(mp_raw_code_t *rc, const byte *code, 89 #if MICROPY_PERSISTENT_CODE_SAVE || MICROPY_DEBUG_PRINTERS 90 size_t len, 91 #endif 92 const mp_uint_t *const_table, 93 #if MICROPY_PERSISTENT_CODE_SAVE 94 uint16_t n_obj, uint16_t n_raw_code, 95 #endif 96 mp_uint_t scope_flags); 97 98 void mp_emit_glue_assign_native(mp_raw_code_t *rc, mp_raw_code_kind_t kind, void *fun_data, mp_uint_t fun_len, 99 const mp_uint_t *const_table, 100 #if MICROPY_PERSISTENT_CODE_SAVE 101 uint16_t prelude_offset, 102 uint16_t n_obj, uint16_t n_raw_code, 103 uint16_t n_qstr, mp_qstr_link_entry_t *qstr_link, 104 #endif 105 mp_uint_t n_pos_args, mp_uint_t scope_flags, mp_uint_t type_sig); 106 107 mp_obj_t mp_make_function_from_raw_code(const mp_raw_code_t *rc, mp_obj_t def_args, mp_obj_t def_kw_args); 108 mp_obj_t mp_make_closure_from_raw_code(const mp_raw_code_t *rc, mp_uint_t n_closed_over, const mp_obj_t *args); 109 110 #endif // MICROPY_INCLUDED_PY_EMITGLUE_H 111