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circuitpython/py/profile.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) SatoshiLabs
*
* 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 "py/profile.h"
#include "py/bc0.h"
#include "py/gc.h"
#if MICROPY_PY_SYS_SETTRACE
#define prof_trace_cb MP_STATE_THREAD(prof_trace_callback)
STATIC uint mp_prof_bytecode_lineno(const mp_raw_code_t *rc, size_t bc) {
const mp_bytecode_prelude_t *prelude = &rc->prelude;
return mp_bytecode_get_source_line(prelude->line_info, bc);
}
void mp_prof_extract_prelude(const byte *bytecode, mp_bytecode_prelude_t *prelude) {
const byte *ip = bytecode;
MP_BC_PRELUDE_SIG_DECODE(ip);
prelude->n_state = n_state;
prelude->n_exc_stack = n_exc_stack;
prelude->scope_flags = scope_flags;
prelude->n_pos_args = n_pos_args;
prelude->n_kwonly_args = n_kwonly_args;
prelude->n_def_pos_args = n_def_pos_args;
MP_BC_PRELUDE_SIZE_DECODE(ip);
prelude->line_info = ip + 4;
prelude->opcodes = ip + n_info + n_cell;
qstr block_name = ip[0] | (ip[1] << 8);
qstr source_file = ip[2] | (ip[3] << 8);
prelude->qstr_block_name = block_name;
prelude->qstr_source_file = source_file;
}
/******************************************************************************/
// code object
STATIC void code_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_code_t *o = MP_OBJ_TO_PTR(o_in);
const mp_raw_code_t *rc = o->rc;
const mp_bytecode_prelude_t *prelude = &rc->prelude;
mp_printf(print,
"<code object %q at %p, file \"%q\", line %d>",
prelude->qstr_block_name,
o,
prelude->qstr_source_file,
rc->line_of_definition
);
}
STATIC mp_obj_tuple_t *code_consts(const mp_raw_code_t *rc) {
const mp_bytecode_prelude_t *prelude = &rc->prelude;
int start = prelude->n_pos_args + prelude->n_kwonly_args + rc->n_obj;
int stop = prelude->n_pos_args + prelude->n_kwonly_args + rc->n_obj + rc->n_raw_code;
mp_obj_tuple_t *consts = MP_OBJ_TO_PTR(mp_obj_new_tuple(stop - start + 1, NULL));
size_t const_no = 0;
for (int i = start; i < stop; ++i) {
mp_obj_t code = mp_obj_new_code((const mp_raw_code_t *)MP_OBJ_TO_PTR(rc->const_table[i]));
if (code == MP_OBJ_NULL) {
m_malloc_fail(sizeof(mp_obj_code_t));
}
consts->items[const_no++] = code;
}
consts->items[const_no++] = mp_const_none;
return consts;
}
STATIC mp_obj_t raw_code_lnotab(const mp_raw_code_t *rc) {
// const mp_bytecode_prelude_t *prelude = &rc->prelude;
uint start = 0;
uint stop = rc->fun_data_len - start;
uint last_lineno = mp_prof_bytecode_lineno(rc, start);
uint lasti = 0;
const uint buffer_chunk_size = (stop - start) >> 2; // heuristic magic
uint buffer_size = buffer_chunk_size;
byte *buffer = m_new(byte, buffer_size);
uint buffer_index = 0;
for (uint i = start; i < stop; ++i) {
uint lineno = mp_prof_bytecode_lineno(rc, i);
size_t line_diff = lineno - last_lineno;
if (line_diff > 0) {
uint instr_diff = (i - start) - lasti;
assert(instr_diff < 256);
assert(line_diff < 256);
if (buffer_index + 2 > buffer_size) {
buffer = m_renew(byte, buffer, buffer_size, buffer_size + buffer_chunk_size);
buffer_size = buffer_size + buffer_chunk_size;
}
last_lineno = lineno;
lasti = i - start;
buffer[buffer_index++] = instr_diff;
buffer[buffer_index++] = line_diff;
}
}
mp_obj_t o = mp_obj_new_bytes(buffer, buffer_index);
m_del(byte, buffer, buffer_size);
return o;
}
STATIC void code_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
if (dest[0] != MP_OBJ_NULL) {
// not load attribute
return;
}
mp_obj_code_t *o = MP_OBJ_TO_PTR(self_in);
const mp_raw_code_t *rc = o->rc;
const mp_bytecode_prelude_t *prelude = &rc->prelude;
switch (attr) {
case MP_QSTR_co_code:
dest[0] = mp_obj_new_bytes(
(void *)prelude->opcodes,
rc->fun_data_len - (prelude->opcodes - (const byte *)rc->fun_data)
);
break;
case MP_QSTR_co_consts:
dest[0] = MP_OBJ_FROM_PTR(code_consts(rc));
break;
case MP_QSTR_co_filename:
dest[0] = MP_OBJ_NEW_QSTR(prelude->qstr_source_file);
break;
case MP_QSTR_co_firstlineno:
dest[0] = MP_OBJ_NEW_SMALL_INT(mp_prof_bytecode_lineno(rc, 0));
break;
case MP_QSTR_co_name:
dest[0] = MP_OBJ_NEW_QSTR(prelude->qstr_block_name);
break;
case MP_QSTR_co_names:
dest[0] = MP_OBJ_FROM_PTR(o->dict_locals);
break;
case MP_QSTR_co_lnotab:
if (!o->lnotab) {
o->lnotab = raw_code_lnotab(rc);
}
dest[0] = o->lnotab;
break;
}
}
const mp_obj_type_t mp_type_settrace_codeobj = {
{ &mp_type_type },
.name = MP_QSTR_code,
.print = code_print,
.unary_op = mp_generic_unary_op,
.attr = code_attr,
};
mp_obj_t mp_obj_new_code(const mp_raw_code_t *rc) {
mp_obj_code_t *o = m_new_obj_maybe(mp_obj_code_t);
if (o == NULL) {
return MP_OBJ_NULL;
}
o->base.type = &mp_type_settrace_codeobj;
o->rc = rc;
o->dict_locals = mp_locals_get(); // this is a wrong! how to do this properly?
o->lnotab = MP_OBJ_NULL;
return MP_OBJ_FROM_PTR(o);
}
/******************************************************************************/
// frame object
STATIC void frame_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_frame_t *frame = MP_OBJ_TO_PTR(o_in);
mp_obj_code_t *code = frame->code;
const mp_raw_code_t *rc = code->rc;
const mp_bytecode_prelude_t *prelude = &rc->prelude;
mp_printf(print,
"<frame at %p, file '%q', line %d, code %q>",
frame,
prelude->qstr_source_file,
frame->lineno,
prelude->qstr_block_name
);
}
STATIC void frame_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
if (dest[0] != MP_OBJ_NULL) {
// not load attribute
return;
}
mp_obj_frame_t *o = MP_OBJ_TO_PTR(self_in);
switch (attr) {
case MP_QSTR_f_back:
dest[0] = mp_const_none;
if (o->code_state->prev_state) {
dest[0] = MP_OBJ_FROM_PTR(o->code_state->prev_state->frame);
}
break;
case MP_QSTR_f_code:
dest[0] = MP_OBJ_FROM_PTR(o->code);
break;
case MP_QSTR_f_globals:
dest[0] = MP_OBJ_FROM_PTR(o->code_state->fun_bc->globals);
break;
case MP_QSTR_f_lasti:
dest[0] = MP_OBJ_NEW_SMALL_INT(o->lasti);
break;
case MP_QSTR_f_lineno:
dest[0] = MP_OBJ_NEW_SMALL_INT(o->lineno);
break;
}
}
const mp_obj_type_t mp_type_frame = {
{ &mp_type_type },
.name = MP_QSTR_frame,
.print = frame_print,
.unary_op = mp_generic_unary_op,
.attr = frame_attr,
};
mp_obj_t mp_obj_new_frame(const mp_code_state_t *code_state) {
if (gc_is_locked()) {
return MP_OBJ_NULL;
}
mp_obj_frame_t *o = m_new_obj_maybe(mp_obj_frame_t);
if (o == NULL) {
return MP_OBJ_NULL;
}
mp_obj_code_t *code = o->code = MP_OBJ_TO_PTR(mp_obj_new_code(code_state->fun_bc->rc));
if (code == NULL) {
return MP_OBJ_NULL;
}
const mp_raw_code_t *rc = code->rc;
const mp_bytecode_prelude_t *prelude = &rc->prelude;
o->code_state = code_state;
o->base.type = &mp_type_frame;
o->back = NULL;
o->code = code;
o->lasti = code_state->ip - prelude->opcodes;
o->lineno = mp_prof_bytecode_lineno(rc, o->lasti);
o->trace_opcodes = false;
o->callback = MP_OBJ_NULL;
return MP_OBJ_FROM_PTR(o);
}
/******************************************************************************/
// Trace logic
typedef struct {
struct _mp_obj_frame_t *frame;
mp_obj_t event;
mp_obj_t arg;
} prof_callback_args_t;
STATIC mp_obj_t mp_prof_callback_invoke(mp_obj_t callback, prof_callback_args_t *args) {
assert(mp_obj_is_callable(callback));
mp_prof_is_executing = true;
mp_obj_t a[3] = {MP_OBJ_FROM_PTR(args->frame), args->event, args->arg};
mp_obj_t top = mp_call_function_n_kw(callback, 3, 0, a);
mp_prof_is_executing = false;
if (MP_STATE_THREAD(mp_pending_exception) != MP_OBJ_NULL) {
mp_handle_pending(true);
}
return top;
}
mp_obj_t mp_prof_settrace(mp_obj_t callback) {
if (mp_obj_is_callable(callback)) {
prof_trace_cb = callback;
} else {
prof_trace_cb = MP_OBJ_NULL;
}
return mp_const_none;
}
mp_obj_t mp_prof_frame_enter(mp_code_state_t *code_state) {
assert(!mp_prof_is_executing);
mp_obj_frame_t *frame = MP_OBJ_TO_PTR(mp_obj_new_frame(code_state));
if (frame == NULL) {
// Couldn't allocate a frame object
return MP_OBJ_NULL;
}
if (code_state->prev_state && code_state->frame == NULL) {
// We are entering not-yet-traced frame
// which means it's a CALL event (not a GENERATOR)
// so set the function definition line.
const mp_raw_code_t *rc = code_state->fun_bc->rc;
frame->lineno = rc->line_of_definition;
if (!rc->line_of_definition) {
frame->lineno = mp_prof_bytecode_lineno(rc, 0);
}
}
code_state->frame = frame;
if (!prof_trace_cb) {
return MP_OBJ_NULL;
}
mp_obj_t top;
prof_callback_args_t _args, *args = &_args;
args->frame = code_state->frame;
// SETTRACE event CALL
args->event = MP_OBJ_NEW_QSTR(MP_QSTR_call);
args->arg = mp_const_none;
top = mp_prof_callback_invoke(prof_trace_cb, args);
code_state->frame->callback = mp_obj_is_callable(top) ? top : MP_OBJ_NULL;
// Invalidate the last executed line number so the LINE trace can trigger after this CALL.
frame->lineno = 0;
return top;
}
mp_obj_t mp_prof_frame_update(const mp_code_state_t *code_state) {
mp_obj_frame_t *frame = code_state->frame;
if (frame == NULL) {
// Frame was not allocated (eg because there was no memory available)
return MP_OBJ_NULL;
}
mp_obj_frame_t *o = frame;
mp_obj_code_t *code = o->code;
const mp_raw_code_t *rc = code->rc;
const mp_bytecode_prelude_t *prelude = &rc->prelude;
assert(o->code_state == code_state);
o->lasti = code_state->ip - prelude->opcodes;
o->lineno = mp_prof_bytecode_lineno(rc, o->lasti);
return MP_OBJ_FROM_PTR(o);
}
mp_obj_t mp_prof_instr_tick(mp_code_state_t *code_state, bool is_exception) {
// Detect execution recursion
assert(!mp_prof_is_executing);
assert(code_state->frame);
assert(mp_obj_get_type(code_state->frame) == &mp_type_frame);
// Detect data recursion
assert(code_state != code_state->prev_state);
mp_obj_t top = mp_const_none;
mp_obj_t callback = code_state->frame->callback;
prof_callback_args_t _args, *args = &_args;
args->frame = code_state->frame;
args->event = mp_const_none;
args->arg = mp_const_none;
// Call event's are handled inside mp_prof_frame_enter
// SETTRACE event EXCEPTION
if (is_exception) {
args->event = MP_OBJ_NEW_QSTR(MP_QSTR_exception);
top = mp_prof_callback_invoke(callback, args);
return top;
}
// SETTRACE event LINE
const mp_raw_code_t *rc = code_state->fun_bc->rc;
const mp_bytecode_prelude_t *prelude = &rc->prelude;
size_t prev_line_no = args->frame->lineno;
size_t current_line_no = mp_prof_bytecode_lineno(rc, code_state->ip - prelude->opcodes);
if (prev_line_no != current_line_no) {
args->frame->lineno = current_line_no;
args->event = MP_OBJ_NEW_QSTR(MP_QSTR_line);
top = mp_prof_callback_invoke(callback, args);
}
// SETTRACE event RETURN
const byte *ip = code_state->ip;
if (*ip == MP_BC_RETURN_VALUE || *ip == MP_BC_YIELD_VALUE) {
args->event = MP_OBJ_NEW_QSTR(MP_QSTR_return);
top = mp_prof_callback_invoke(callback, args);
if (code_state->prev_state && *ip == MP_BC_RETURN_VALUE) {
code_state->frame->callback = MP_OBJ_NULL;
}
}
// SETTRACE event OPCODE
// TODO: frame.f_trace_opcodes=True
if (false) {
args->event = MP_OBJ_NEW_QSTR(MP_QSTR_opcode);
}
return top;
}
/******************************************************************************/
// DEBUG
// This section is for debugging the settrace feature itself, and is not intended
// to be included in production/release builds. The code structure for this block
// was taken from py/showbc.c and should not be used as a reference. To enable
// this debug feature enable MICROPY_PROF_INSTR_DEBUG_PRINT_ENABLE in py/profile.h.
#if MICROPY_PROF_INSTR_DEBUG_PRINT_ENABLE
#include "runtime0.h"
#define DECODE_UINT { \
unum = 0; \
do { \
unum = (unum << 7) + (*ip & 0x7f); \
} while ((*ip++ & 0x80) != 0); \
}
#define DECODE_ULABEL do { unum = (ip[0] | (ip[1] << 8)); ip += 2; } while (0)
#define DECODE_SLABEL do { unum = (ip[0] | (ip[1] << 8)) - 0x8000; ip += 2; } while (0)
#define DECODE_QSTR \
qst = ip[0] | ip[1] << 8; \
ip += 2;
#define DECODE_PTR \
DECODE_UINT; \
ptr = (const byte *)const_table[unum]
#define DECODE_OBJ \
DECODE_UINT; \
obj = (mp_obj_t)const_table[unum]
typedef struct _mp_dis_instruction_t {
mp_uint_t qstr_opname;
mp_uint_t arg;
mp_obj_t argobj;
mp_obj_t argobjex_cache;
} mp_dis_instruction_t;
STATIC const byte *mp_prof_opcode_decode(const byte *ip, const mp_uint_t *const_table, mp_dis_instruction_t *instruction) {
mp_uint_t unum;
const byte *ptr;
mp_obj_t obj;
qstr qst;
instruction->qstr_opname = MP_QSTR_;
instruction->arg = 0;
instruction->argobj = mp_const_none;
instruction->argobjex_cache = mp_const_none;
switch (*ip++) {
case MP_BC_LOAD_CONST_FALSE:
instruction->qstr_opname = MP_QSTR_LOAD_CONST_FALSE;
break;
case MP_BC_LOAD_CONST_NONE:
instruction->qstr_opname = MP_QSTR_LOAD_CONST_NONE;
break;
case MP_BC_LOAD_CONST_TRUE:
instruction->qstr_opname = MP_QSTR_LOAD_CONST_TRUE;
break;
case MP_BC_LOAD_CONST_SMALL_INT: {
mp_int_t num = 0;
if ((ip[0] & 0x40) != 0) {
// Number is negative
num--;
}
do {
num = (num << 7) | (*ip & 0x7f);
} while ((*ip++ & 0x80) != 0);
instruction->qstr_opname = MP_QSTR_LOAD_CONST_SMALL_INT;
instruction->arg = num;
break;
}
case MP_BC_LOAD_CONST_STRING:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_LOAD_CONST_STRING;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_LOAD_CONST_OBJ:
DECODE_OBJ;
instruction->qstr_opname = MP_QSTR_LOAD_CONST_OBJ;
instruction->arg = unum;
instruction->argobj = obj;
break;
case MP_BC_LOAD_NULL:
instruction->qstr_opname = MP_QSTR_LOAD_NULL;
break;
case MP_BC_LOAD_FAST_N:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_LOAD_FAST_N;
instruction->arg = unum;
break;
case MP_BC_LOAD_DEREF:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_LOAD_DEREF;
instruction->arg = unum;
break;
case MP_BC_LOAD_NAME:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_LOAD_NAME;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_LOAD_GLOBAL:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_LOAD_GLOBAL;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_LOAD_ATTR:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_LOAD_ATTR;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_LOAD_METHOD:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_LOAD_METHOD;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_LOAD_SUPER_METHOD:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_LOAD_SUPER_METHOD;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_LOAD_BUILD_CLASS:
instruction->qstr_opname = MP_QSTR_LOAD_BUILD_CLASS;
break;
case MP_BC_LOAD_SUBSCR:
instruction->qstr_opname = MP_QSTR_LOAD_SUBSCR;
break;
case MP_BC_STORE_FAST_N:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_STORE_FAST_N;
instruction->arg = unum;
break;
case MP_BC_STORE_DEREF:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_STORE_DEREF;
instruction->arg = unum;
break;
case MP_BC_STORE_NAME:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_STORE_NAME;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_STORE_GLOBAL:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_STORE_GLOBAL;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_STORE_ATTR:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_STORE_ATTR;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_STORE_SUBSCR:
instruction->qstr_opname = MP_QSTR_STORE_SUBSCR;
break;
case MP_BC_DELETE_FAST:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_DELETE_FAST;
instruction->arg = unum;
break;
case MP_BC_DELETE_DEREF:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_DELETE_DEREF;
instruction->arg = unum;
break;
case MP_BC_DELETE_NAME:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_DELETE_NAME;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_DELETE_GLOBAL:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_DELETE_GLOBAL;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_DUP_TOP:
instruction->qstr_opname = MP_QSTR_DUP_TOP;
break;
case MP_BC_DUP_TOP_TWO:
instruction->qstr_opname = MP_QSTR_DUP_TOP_TWO;
break;
case MP_BC_POP_TOP:
instruction->qstr_opname = MP_QSTR_POP_TOP;
break;
case MP_BC_ROT_TWO:
instruction->qstr_opname = MP_QSTR_ROT_TWO;
break;
case MP_BC_ROT_THREE:
instruction->qstr_opname = MP_QSTR_ROT_THREE;
break;
case MP_BC_JUMP:
DECODE_SLABEL;
instruction->qstr_opname = MP_QSTR_JUMP;
instruction->arg = unum;
break;
case MP_BC_POP_JUMP_IF_TRUE:
DECODE_SLABEL;
instruction->qstr_opname = MP_QSTR_POP_JUMP_IF_TRUE;
instruction->arg = unum;
break;
case MP_BC_POP_JUMP_IF_FALSE:
DECODE_SLABEL;
instruction->qstr_opname = MP_QSTR_POP_JUMP_IF_FALSE;
instruction->arg = unum;
break;
case MP_BC_JUMP_IF_TRUE_OR_POP:
DECODE_SLABEL;
instruction->qstr_opname = MP_QSTR_JUMP_IF_TRUE_OR_POP;
instruction->arg = unum;
break;
case MP_BC_JUMP_IF_FALSE_OR_POP:
DECODE_SLABEL;
instruction->qstr_opname = MP_QSTR_JUMP_IF_FALSE_OR_POP;
instruction->arg = unum;
break;
case MP_BC_SETUP_WITH:
DECODE_ULABEL; // loop-like labels are always forward
instruction->qstr_opname = MP_QSTR_SETUP_WITH;
instruction->arg = unum;
break;
case MP_BC_WITH_CLEANUP:
instruction->qstr_opname = MP_QSTR_WITH_CLEANUP;
break;
case MP_BC_UNWIND_JUMP:
DECODE_SLABEL;
instruction->qstr_opname = MP_QSTR_UNWIND_JUMP;
instruction->arg = unum;
break;
case MP_BC_SETUP_EXCEPT:
DECODE_ULABEL; // except labels are always forward
instruction->qstr_opname = MP_QSTR_SETUP_EXCEPT;
instruction->arg = unum;
break;
case MP_BC_SETUP_FINALLY:
DECODE_ULABEL; // except labels are always forward
instruction->qstr_opname = MP_QSTR_SETUP_FINALLY;
instruction->arg = unum;
break;
case MP_BC_END_FINALLY:
// if TOS is an exception, reraises the exception (3 values on TOS)
// if TOS is an integer, does something else
// if TOS is None, just pops it and continues
// else error
instruction->qstr_opname = MP_QSTR_END_FINALLY;
break;
case MP_BC_GET_ITER:
instruction->qstr_opname = MP_QSTR_GET_ITER;
break;
case MP_BC_GET_ITER_STACK:
instruction->qstr_opname = MP_QSTR_GET_ITER_STACK;
break;
case MP_BC_FOR_ITER:
DECODE_ULABEL; // the jump offset if iteration finishes; for labels are always forward
instruction->qstr_opname = MP_QSTR_FOR_ITER;
instruction->arg = unum;
break;
case MP_BC_BUILD_TUPLE:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_BUILD_TUPLE;
instruction->arg = unum;
break;
case MP_BC_BUILD_LIST:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_BUILD_LIST;
instruction->arg = unum;
break;
case MP_BC_BUILD_MAP:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_BUILD_MAP;
instruction->arg = unum;
break;
case MP_BC_STORE_MAP:
instruction->qstr_opname = MP_QSTR_STORE_MAP;
break;
case MP_BC_BUILD_SET:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_BUILD_SET;
instruction->arg = unum;
break;
#if MICROPY_PY_BUILTINS_SLICE
case MP_BC_BUILD_SLICE:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_BUILD_SLICE;
instruction->arg = unum;
break;
#endif
case MP_BC_STORE_COMP:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_STORE_COMP;
instruction->arg = unum;
break;
case MP_BC_UNPACK_SEQUENCE:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_UNPACK_SEQUENCE;
instruction->arg = unum;
break;
case MP_BC_UNPACK_EX:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_UNPACK_EX;
instruction->arg = unum;
break;
case MP_BC_MAKE_FUNCTION:
DECODE_PTR;
instruction->qstr_opname = MP_QSTR_MAKE_FUNCTION;
instruction->arg = unum;
instruction->argobj = mp_obj_new_int_from_ull((uint64_t)ptr);
break;
case MP_BC_MAKE_FUNCTION_DEFARGS:
DECODE_PTR;
instruction->qstr_opname = MP_QSTR_MAKE_FUNCTION_DEFARGS;
instruction->arg = unum;
instruction->argobj = mp_obj_new_int_from_ull((uint64_t)ptr);
break;
case MP_BC_MAKE_CLOSURE: {
DECODE_PTR;
mp_uint_t n_closed_over = *ip++;
instruction->qstr_opname = MP_QSTR_MAKE_CLOSURE;
instruction->arg = unum;
instruction->argobj = mp_obj_new_int_from_ull((uint64_t)ptr);
instruction->argobjex_cache = MP_OBJ_NEW_SMALL_INT(n_closed_over);
break;
}
case MP_BC_MAKE_CLOSURE_DEFARGS: {
DECODE_PTR;
mp_uint_t n_closed_over = *ip++;
instruction->qstr_opname = MP_QSTR_MAKE_CLOSURE_DEFARGS;
instruction->arg = unum;
instruction->argobj = mp_obj_new_int_from_ull((uint64_t)ptr);
instruction->argobjex_cache = MP_OBJ_NEW_SMALL_INT(n_closed_over);
break;
}
case MP_BC_CALL_FUNCTION:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_CALL_FUNCTION;
instruction->arg = unum & 0xff;
instruction->argobjex_cache = MP_OBJ_NEW_SMALL_INT((unum >> 8) & 0xff);
break;
case MP_BC_CALL_FUNCTION_VAR_KW:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_CALL_FUNCTION_VAR_KW;
instruction->arg = unum & 0xff;
instruction->argobjex_cache = MP_OBJ_NEW_SMALL_INT((unum >> 8) & 0xff);
break;
case MP_BC_CALL_METHOD:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_CALL_METHOD;
instruction->arg = unum & 0xff;
instruction->argobjex_cache = MP_OBJ_NEW_SMALL_INT((unum >> 8) & 0xff);
break;
case MP_BC_CALL_METHOD_VAR_KW:
DECODE_UINT;
instruction->qstr_opname = MP_QSTR_CALL_METHOD_VAR_KW;
instruction->arg = unum & 0xff;
instruction->argobjex_cache = MP_OBJ_NEW_SMALL_INT((unum >> 8) & 0xff);
break;
case MP_BC_RETURN_VALUE:
instruction->qstr_opname = MP_QSTR_RETURN_VALUE;
break;
case MP_BC_RAISE_LAST:
instruction->qstr_opname = MP_QSTR_RAISE_LAST;
break;
case MP_BC_RAISE_OBJ:
instruction->qstr_opname = MP_QSTR_RAISE_OBJ;
break;
case MP_BC_RAISE_FROM:
instruction->qstr_opname = MP_QSTR_RAISE_FROM;
break;
case MP_BC_YIELD_VALUE:
instruction->qstr_opname = MP_QSTR_YIELD_VALUE;
break;
case MP_BC_YIELD_FROM:
instruction->qstr_opname = MP_QSTR_YIELD_FROM;
break;
case MP_BC_IMPORT_NAME:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_IMPORT_NAME;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_IMPORT_FROM:
DECODE_QSTR;
instruction->qstr_opname = MP_QSTR_IMPORT_FROM;
instruction->arg = qst;
instruction->argobj = MP_OBJ_NEW_QSTR(qst);
break;
case MP_BC_IMPORT_STAR:
instruction->qstr_opname = MP_QSTR_IMPORT_STAR;
break;
default:
if (ip[-1] < MP_BC_LOAD_CONST_SMALL_INT_MULTI + 64) {
instruction->qstr_opname = MP_QSTR_LOAD_CONST_SMALL_INT;
instruction->arg = (mp_int_t)ip[-1] - MP_BC_LOAD_CONST_SMALL_INT_MULTI - 16;
} else if (ip[-1] < MP_BC_LOAD_FAST_MULTI + 16) {
instruction->qstr_opname = MP_QSTR_LOAD_FAST;
instruction->arg = (mp_uint_t)ip[-1] - MP_BC_LOAD_FAST_MULTI;
} else if (ip[-1] < MP_BC_STORE_FAST_MULTI + 16) {
instruction->qstr_opname = MP_QSTR_STORE_FAST;
instruction->arg = (mp_uint_t)ip[-1] - MP_BC_STORE_FAST_MULTI;
} else if (ip[-1] < MP_BC_UNARY_OP_MULTI + MP_UNARY_OP_NUM_BYTECODE) {
instruction->qstr_opname = MP_QSTR_UNARY_OP;
instruction->arg = (mp_uint_t)ip[-1] - MP_BC_UNARY_OP_MULTI;
} else if (ip[-1] < MP_BC_BINARY_OP_MULTI + MP_BINARY_OP_NUM_BYTECODE) {
mp_uint_t op = ip[-1] - MP_BC_BINARY_OP_MULTI;
instruction->qstr_opname = MP_QSTR_BINARY_OP;
instruction->arg = op;
} else {
mp_printf(&mp_plat_print, "code %p, opcode 0x%02x not implemented\n", ip - 1, ip[-1]);
assert(0);
return ip;
}
break;
}
return ip;
}
void mp_prof_print_instr(const byte *ip, mp_code_state_t *code_state) {
mp_dis_instruction_t _instruction, *instruction = &_instruction;
mp_prof_opcode_decode(ip, code_state->fun_bc->rc->const_table, instruction);
const mp_raw_code_t *rc = code_state->fun_bc->rc;
const mp_bytecode_prelude_t *prelude = &rc->prelude;
mp_uint_t offset = ip - prelude->opcodes;
mp_printf(&mp_plat_print, "instr");
/* long path */ if (1) {
mp_printf(&mp_plat_print,
"@%p:%q:%q+0x%04x:%d",
ip,
prelude->qstr_source_file,
prelude->qstr_block_name,
offset,
mp_prof_bytecode_lineno(rc, offset)
);
}
/* bytecode */ if (0) {
mp_printf(&mp_plat_print, " %02x %02x %02x %02x", ip[0], ip[1], ip[2], ip[3]);
}
mp_printf(&mp_plat_print, " 0x%02x %q [%d]", *ip, instruction->qstr_opname, instruction->arg);
if (instruction->argobj != mp_const_none) {
mp_printf(&mp_plat_print, " $");
mp_obj_print_helper(&mp_plat_print, instruction->argobj, PRINT_REPR);
}
if (instruction->argobjex_cache != mp_const_none) {
mp_printf(&mp_plat_print, " #");
mp_obj_print_helper(&mp_plat_print, instruction->argobjex_cache, PRINT_REPR);
}
mp_printf(&mp_plat_print, "\n");
}
#endif // MICROPY_PROF_INSTR_DEBUG_PRINT_ENABLE
#endif // MICROPY_PY_SYS_SETTRACE
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