/* * This file is part of the Micro Python project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2013, 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 #include #include "mpconfig.h" #include "misc.h" #include "qstr.h" #include "bc0.h" #if MICROPY_DEBUG_PRINTERS #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 { \ qstr = 0; \ do { \ qstr = (qstr << 7) + (*ip & 0x7f); \ } while ((*ip++ & 0x80) != 0); \ } #define DECODE_PTR do { \ ip = (byte*)(((machine_uint_t)ip + sizeof(machine_uint_t) - 1) & (~(sizeof(machine_uint_t) - 1))); /* align ip */ \ unum = *(machine_uint_t*)ip; \ ip += sizeof(machine_uint_t); \ } while (0) void mp_bytecode_print2(const byte *ip, int len); void mp_bytecode_print(const byte *ip, int len) { const byte *ip_start = ip; // get code info size machine_uint_t code_info_size = ip[0] | (ip[1] << 8) | (ip[2] << 16) | (ip[3] << 24); const byte *code_info = ip; ip += code_info_size; // bytecode prelude: state size and exception stack size; 16 bit uints { uint n_state = ip[0] | (ip[1] << 8); uint n_exc_stack = ip[2] | (ip[3] << 8); ip += 4; printf("(N_STATE %u)\n", n_state); printf("(N_EXC_STACK %u)\n", n_exc_stack); } // bytecode prelude: initialise closed over variables { uint n_local = *ip++; printf("(NUM_LOCAL %u)\n", n_local); for (; n_local > 0; n_local--) { uint local_num = *ip++; printf("(INIT_CELL %u)\n", local_num); } len -= ip - ip_start; ip_start = ip; } // print out line number info { qstr source_file = code_info[4] | (code_info[5] << 8) | (code_info[6] << 16) | (code_info[7] << 24); qstr block_name = code_info[8] | (code_info[9] << 8) | (code_info[10] << 16) | (code_info[11] << 24); printf("File %s, block '%s'\n", qstr_str(source_file), qstr_str(block_name)); machine_int_t bc = (code_info + code_info_size) - ip; machine_uint_t source_line = 1; printf(" bc=" INT_FMT " line=" UINT_FMT "\n", bc, source_line); for (const byte* ci = code_info + 12; *ci; ci++) { bc += *ci & 31; source_line += *ci >> 5; printf(" bc=" INT_FMT " line=" UINT_FMT "\n", bc, source_line); } } mp_bytecode_print2(ip, len - 0); } void mp_bytecode_print2(const byte *ip, int len) { const byte *ip_start = ip; machine_uint_t unum; qstr qstr; while (ip - ip_start < len) { printf("%02u ", (uint)(ip - ip_start)); int op = *ip++; switch (op) { case MP_BC_LOAD_CONST_FALSE: printf("LOAD_CONST_FALSE"); break; case MP_BC_LOAD_CONST_NONE: printf("LOAD_CONST_NONE"); break; case MP_BC_LOAD_CONST_TRUE: printf("LOAD_CONST_TRUE"); break; case MP_BC_LOAD_CONST_ELLIPSIS: printf("LOAD_CONST_ELLIPSIS"); break; case MP_BC_LOAD_CONST_SMALL_INT: { machine_int_t num = 0; if ((ip[0] & 0x40) != 0) { // Number is negative num--; } do { num = (num << 7) | (*ip & 0x7f); } while ((*ip++ & 0x80) != 0); printf("LOAD_CONST_SMALL_INT " INT_FMT, num); break; } case MP_BC_LOAD_CONST_INT: DECODE_QSTR; printf("LOAD_CONST_INT %s", qstr_str(qstr)); break; case MP_BC_LOAD_CONST_DEC: DECODE_QSTR; printf("LOAD_CONST_DEC %s", qstr_str(qstr)); break; case MP_BC_LOAD_CONST_BYTES: DECODE_QSTR; printf("LOAD_CONST_BYTES %s", qstr_str(qstr)); break; case MP_BC_LOAD_CONST_STRING: DECODE_QSTR; printf("LOAD_CONST_STRING '%s'", qstr_str(qstr)); break; case MP_BC_LOAD_NULL: printf("LOAD_NULL"); break; case MP_BC_LOAD_FAST_0: printf("LOAD_FAST_0"); break; case MP_BC_LOAD_FAST_1: printf("LOAD_FAST_1"); break; case MP_BC_LOAD_FAST_2: printf("LOAD_FAST_2"); break; case MP_BC_LOAD_FAST_N: DECODE_UINT; printf("LOAD_FAST_N " UINT_FMT, unum); break; case MP_BC_LOAD_DEREF: DECODE_UINT; printf("LOAD_DEREF " UINT_FMT, unum); break; case MP_BC_LOAD_NAME: DECODE_QSTR; printf("LOAD_NAME %s", qstr_str(qstr)); break; case MP_BC_LOAD_GLOBAL: DECODE_QSTR; printf("LOAD_GLOBAL %s", qstr_str(qstr)); break; case MP_BC_LOAD_ATTR: DECODE_QSTR; printf("LOAD_ATTR %s", qstr_str(qstr)); break; case MP_BC_LOAD_METHOD: DECODE_QSTR; printf("LOAD_METHOD %s", qstr_str(qstr)); break; case MP_BC_LOAD_BUILD_CLASS: printf("LOAD_BUILD_CLASS"); break; case MP_BC_LOAD_SUBSCR: printf("LOAD_SUBSCR"); break; case MP_BC_STORE_FAST_0: printf("STORE_FAST_0"); break; case MP_BC_STORE_FAST_1: printf("STORE_FAST_1"); break; case MP_BC_STORE_FAST_2: printf("STORE_FAST_2"); break; case MP_BC_STORE_FAST_N: DECODE_UINT; printf("STORE_FAST_N " UINT_FMT, unum); break; case MP_BC_STORE_DEREF: DECODE_UINT; printf("STORE_DEREF " UINT_FMT, unum); break; case MP_BC_STORE_NAME: DECODE_QSTR; printf("STORE_NAME %s", qstr_str(qstr)); break; case MP_BC_STORE_GLOBAL: DECODE_QSTR; printf("STORE_GLOBAL %s", qstr_str(qstr)); break; case MP_BC_STORE_ATTR: DECODE_QSTR; printf("STORE_ATTR %s", qstr_str(qstr)); break; case MP_BC_STORE_SUBSCR: printf("STORE_SUBSCR"); break; case MP_BC_DELETE_FAST: DECODE_UINT; printf("DELETE_FAST " UINT_FMT, unum); break; case MP_BC_DELETE_DEREF: DECODE_UINT; printf("DELETE_DEREF " UINT_FMT, unum); break; case MP_BC_DELETE_NAME: DECODE_QSTR; printf("DELETE_NAME %s", qstr_str(qstr)); break; case MP_BC_DUP_TOP: printf("DUP_TOP"); break; case MP_BC_DUP_TOP_TWO: printf("DUP_TOP_TWO"); break; case MP_BC_POP_TOP: printf("POP_TOP"); break; case MP_BC_ROT_TWO: printf("ROT_TWO"); break; case MP_BC_ROT_THREE: printf("ROT_THREE"); break; case MP_BC_JUMP: DECODE_SLABEL; printf("JUMP " UINT_FMT, ip + unum - ip_start); break; case MP_BC_POP_JUMP_IF_TRUE: DECODE_SLABEL; printf("POP_JUMP_IF_TRUE " UINT_FMT, ip + unum - ip_start); break; case MP_BC_POP_JUMP_IF_FALSE: DECODE_SLABEL; printf("POP_JUMP_IF_FALSE " UINT_FMT, ip + unum - ip_start); break; case MP_BC_JUMP_IF_TRUE_OR_POP: DECODE_SLABEL; printf("JUMP_IF_TRUE_OR_POP " UINT_FMT, ip + unum - ip_start); break; case MP_BC_JUMP_IF_FALSE_OR_POP: DECODE_SLABEL; printf("JUMP_IF_FALSE_OR_POP " UINT_FMT, ip + unum - ip_start); break; case MP_BC_SETUP_WITH: DECODE_ULABEL; // loop-like labels are always forward printf("SETUP_WITH " UINT_FMT, ip + unum - ip_start); break; case MP_BC_WITH_CLEANUP: printf("WITH_CLEANUP"); break; case MP_BC_UNWIND_JUMP: DECODE_SLABEL; printf("UNWIND_JUMP " UINT_FMT " %d", ip + unum - ip_start, *ip); ip += 1; break; case MP_BC_SETUP_EXCEPT: DECODE_ULABEL; // except labels are always forward printf("SETUP_EXCEPT " UINT_FMT, ip + unum - ip_start); break; case MP_BC_SETUP_FINALLY: DECODE_ULABEL; // except labels are always forward printf("SETUP_FINALLY " UINT_FMT, ip + unum - ip_start); 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 printf("END_FINALLY"); break; case MP_BC_GET_ITER: printf("GET_ITER"); break; case MP_BC_FOR_ITER: DECODE_ULABEL; // the jump offset if iteration finishes; for labels are always forward printf("FOR_ITER " UINT_FMT, ip + unum - ip_start); break; case MP_BC_POP_BLOCK: // pops block and restores the stack printf("POP_BLOCK"); break; case MP_BC_POP_EXCEPT: // pops block, checks it's an exception block, and restores the stack, saving the 3 exception values to local threadstate printf("POP_EXCEPT"); break; case MP_BC_NOT: printf("NOT"); break; case MP_BC_UNARY_OP: unum = *ip++; printf("UNARY_OP " UINT_FMT, unum); break; case MP_BC_BINARY_OP: unum = *ip++; printf("BINARY_OP " UINT_FMT, unum); break; case MP_BC_BUILD_TUPLE: DECODE_UINT; printf("BUILD_TUPLE " UINT_FMT, unum); break; case MP_BC_BUILD_LIST: DECODE_UINT; printf("BUILD_LIST " UINT_FMT, unum); break; case MP_BC_LIST_APPEND: DECODE_UINT; printf("LIST_APPEND " UINT_FMT, unum); break; case MP_BC_BUILD_MAP: DECODE_UINT; printf("BUILD_MAP " UINT_FMT, unum); break; case MP_BC_STORE_MAP: printf("STORE_MAP"); break; case MP_BC_MAP_ADD: DECODE_UINT; printf("MAP_ADD " UINT_FMT, unum); break; case MP_BC_BUILD_SET: DECODE_UINT; printf("BUILD_SET " UINT_FMT, unum); break; case MP_BC_SET_ADD: DECODE_UINT; printf("SET_ADD " UINT_FMT, unum); break; #if MICROPY_PY_BUILTINS_SLICE case MP_BC_BUILD_SLICE: DECODE_UINT; printf("BUILD_SLICE " UINT_FMT, unum); break; #endif case MP_BC_UNPACK_SEQUENCE: DECODE_UINT; printf("UNPACK_SEQUENCE " UINT_FMT, unum); break; case MP_BC_MAKE_FUNCTION: DECODE_PTR; printf("MAKE_FUNCTION " UINT_FMT, unum); break; case MP_BC_MAKE_FUNCTION_DEFARGS: DECODE_PTR; printf("MAKE_FUNCTION_DEFARGS " UINT_FMT, unum); break; case MP_BC_MAKE_CLOSURE: { DECODE_PTR; machine_uint_t n_closed_over = *ip++; printf("MAKE_CLOSURE " UINT_FMT " " UINT_FMT, unum, n_closed_over); break; } case MP_BC_MAKE_CLOSURE_DEFARGS: { DECODE_PTR; machine_uint_t n_closed_over = *ip++; printf("MAKE_CLOSURE_DEFARGS " UINT_FMT " " UINT_FMT, unum, n_closed_over); break; } case MP_BC_CALL_FUNCTION: DECODE_UINT; printf("CALL_FUNCTION n=" UINT_FMT " nkw=" UINT_FMT, unum & 0xff, (unum >> 8) & 0xff); break; case MP_BC_CALL_FUNCTION_VAR_KW: DECODE_UINT; printf("CALL_FUNCTION_VAR_KW n=" UINT_FMT " nkw=" UINT_FMT, unum & 0xff, (unum >> 8) & 0xff); break; case MP_BC_CALL_METHOD: DECODE_UINT; printf("CALL_METHOD n=" UINT_FMT " nkw=" UINT_FMT, unum & 0xff, (unum >> 8) & 0xff); break; case MP_BC_CALL_METHOD_VAR_KW: DECODE_UINT; printf("CALL_METHOD_VAR_KW n=" UINT_FMT " nkw=" UINT_FMT, unum & 0xff, (unum >> 8) & 0xff); break; case MP_BC_RETURN_VALUE: printf("RETURN_VALUE"); break; case MP_BC_RAISE_VARARGS: unum = *ip++; printf("RAISE_VARARGS " UINT_FMT, unum); break; case MP_BC_YIELD_VALUE: printf("YIELD_VALUE"); break; case MP_BC_YIELD_FROM: printf("YIELD_FROM"); break; case MP_BC_IMPORT_NAME: DECODE_QSTR; printf("IMPORT_NAME '%s'", qstr_str(qstr)); break; case MP_BC_IMPORT_FROM: DECODE_QSTR; printf("IMPORT_FROM '%s'", qstr_str(qstr)); break; case MP_BC_IMPORT_STAR: printf("IMPORT_STAR"); break; default: printf("code %p, byte code 0x%02x not implemented\n", ip, op); assert(0); return; } printf("\n"); } } #endif // MICROPY_DEBUG_PRINTERS