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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59  /* * Tiny Code Interpreter for QEMU - disassembler * * Copyright (c) 2011 Stefan Weil * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "disas/bfd.h" #include "tcg/tcg.h" /* Disassemble TCI bytecode. */ int print_insn_tci(bfd_vma addr, disassemble_info *info) { int length; uint8_t byte; int status; TCGOpcode op; status = info->read_memory_func(addr, &byte, 1, info); if (status != 0) { info->memory_error_func(status, addr, info); return -1; } op = byte; addr++; status = info->read_memory_func(addr, &byte, 1, info); if (status != 0) { info->memory_error_func(status, addr, info); return -1; } length = byte; if (op >= tcg_op_defs_max) { info->fprintf_func(info->stream, "illegal opcode %d", op); } else { const TCGOpDef *def = &tcg_op_defs[op]; int nb_oargs = def->nb_oargs; int nb_iargs = def->nb_iargs; int nb_cargs = def->nb_cargs; /* TODO: Improve disassembler output. */ info->fprintf_func(info->stream, "%s\to=%d i=%d c=%d", def->name, nb_oargs, nb_iargs, nb_cargs); } return length; }