310b3d1b81
This commit adds support for sys.settrace, allowing to install Python handlers to trace execution of Python code. The interface follows CPython as closely as possible. The feature is disabled by default and can be enabled via MICROPY_PY_SYS_SETTRACE.
111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_PY_EMITGLUE_H
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#define MICROPY_INCLUDED_PY_EMITGLUE_H
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#include "py/obj.h"
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#include "py/bc.h"
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// These variables and functions glue the code emitters to the runtime.
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// These must fit in 8 bits; see scope.h
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enum {
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MP_EMIT_OPT_NONE,
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MP_EMIT_OPT_BYTECODE,
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MP_EMIT_OPT_NATIVE_PYTHON,
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MP_EMIT_OPT_VIPER,
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MP_EMIT_OPT_ASM,
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};
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typedef enum {
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MP_CODE_UNUSED,
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MP_CODE_RESERVED,
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MP_CODE_BYTECODE,
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MP_CODE_NATIVE_PY,
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MP_CODE_NATIVE_VIPER,
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MP_CODE_NATIVE_ASM,
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} mp_raw_code_kind_t;
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typedef struct _mp_qstr_link_entry_t {
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uint16_t off;
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uint16_t qst;
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} mp_qstr_link_entry_t;
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typedef struct _mp_raw_code_t {
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mp_uint_t kind : 3; // of type mp_raw_code_kind_t
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mp_uint_t scope_flags : 7;
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mp_uint_t n_pos_args : 11;
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const void *fun_data;
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const mp_uint_t *const_table;
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#if MICROPY_PERSISTENT_CODE_SAVE
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size_t fun_data_len;
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uint16_t n_obj;
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uint16_t n_raw_code;
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#if MICROPY_PY_SYS_SETTRACE
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mp_bytecode_prelude_t prelude;
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// line_of_definition is a Python source line where the raw_code was
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// created e.g. MP_BC_MAKE_FUNCTION. This is different from lineno info
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// stored in prelude, which provides line number for first statement of
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// a function. Required to properly implement "call" trace event.
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mp_uint_t line_of_definition;
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#endif
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#if MICROPY_EMIT_MACHINE_CODE
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uint16_t prelude_offset;
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uint16_t n_qstr;
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mp_qstr_link_entry_t *qstr_link;
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#endif
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#endif
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#if MICROPY_EMIT_MACHINE_CODE
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mp_uint_t type_sig; // for viper, compressed as 2-bit types; ret is MSB, then arg0, arg1, etc
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#endif
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} mp_raw_code_t;
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mp_raw_code_t *mp_emit_glue_new_raw_code(void);
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void mp_emit_glue_assign_bytecode(mp_raw_code_t *rc, const byte *code,
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#if MICROPY_PERSISTENT_CODE_SAVE || MICROPY_DEBUG_PRINTERS
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size_t len,
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#endif
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const mp_uint_t *const_table,
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#if MICROPY_PERSISTENT_CODE_SAVE
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uint16_t n_obj, uint16_t n_raw_code,
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#endif
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mp_uint_t scope_flags);
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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,
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const mp_uint_t *const_table,
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#if MICROPY_PERSISTENT_CODE_SAVE
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uint16_t prelude_offset,
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uint16_t n_obj, uint16_t n_raw_code,
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uint16_t n_qstr, mp_qstr_link_entry_t *qstr_link,
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#endif
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mp_uint_t n_pos_args, mp_uint_t scope_flags, mp_uint_t type_sig);
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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);
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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);
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#endif // MICROPY_INCLUDED_PY_EMITGLUE_H
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