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/* Chrysalide - Outil d'analyse de fichiers binaires
* instruction.h - gestion des instructions de la machine virtuelle GoVM
*
* Copyright (C) 2009-2018 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide 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 3 of the License, or
* (at your option) any later version.
*
* Chrysalide 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
*/
#include "instruction.h"
/* Répertoire de toutes les instructions GoVM */
typedef struct _govm_instruction
{
bin_t opcode; /* Opcode de l'instruction */
const char *keyword; /* Mot clef de la commande */
} govm_instruction;
static govm_instruction _instructions[GOP_COUNT] = {
[GOP_SYSCALL] = { 0x00, "syscall" },
[GOP_LI] = { 0x01, "li" },
[GOP_JMP] = { 0x02, "jmp" },
[GOP_JZ] = { 0x03, "jz" },
[GOP_LB] = { 0x04, "lb" },
[GOP_LW] = { 0x05, "lw" },
[GOP_SB] = { 0x06, "sb" },
[GOP_SW] = { 0x07, "sw" },
[GOP_ADD] = { 0x08, "add" },
[GOP_SALLOC] = { 0x09, "salloc" },
[GOP_DIV] = { 0x0a, "div" },
[GOP_NOR] = { 0x0b, "nor" },
[GOP_POP] = { 0x0c, "pop" },
[GOP_DUP] = { 0x0d, "dup" },
[GOP_ROT] = { 0x0e, "rot" },
[GOP_ROT3] = { 0x0f, "rot3" },
[GOP_MOV_A] = { 0x10, "pop" },
[GOP_MOV_B] = { 0x11, "pop" },
[GOP_MOV_C] = { 0x12, "pop" },
[GOP_MOV_D] = { 0x13, "pop" },
[GOP_MOV_E] = { 0x14, "pop" },
[GOP_MOV_F] = { 0x15, "pop" },
[GOP_A_MOV] = { 0x16, "push" },
[GOP_B_MOV] = { 0x17, "push" },
[GOP_C_MOV] = { 0x18, "push" },
[GOP_D_MOV] = { 0x19, "push" },
[GOP_E_MOV] = { 0x1a, "push" },
[GOP_F_MOV] = { 0x1b, "push" },
[GOP_CALL] = { 0x1c, "call" },
[GOP_LWS] = { 0x1d, "lws" },
[GOP_SWS] = { 0x1e, "sws" },
[GOP_SUB] = { 0x1f, "sub" },
[GOP_NOT] = { 0x20, "not" },
[GOP_EQU] = { 0x21, "equ" },
[GOP_LOE] = { 0x22, "loe" },
[GOP_GOE] = { 0x23, "goe" },
[GOP_LT] = { 0x24, "lt" },
[GOP_GT] = { 0x25, "gt" },
[GOP_AND] = { 0x26, "and" },
[GOP_OR] = { 0x27, "or" },
[GOP_SHL] = { 0x28, "shl" },
[GOP_SHR] = { 0x29, "shr" },
[GOP_MUL] = { 0x2a, "mul" },
[GOP_NOP] = { 0x2b, "nop" },
[GOP_XOR] = { 0x2c, "xor" }
};
/******************************************************************************
* *
* Paramètres : id = identifiant de l'instruction à exporter. *
* *
* Description : Fournit de quoi encodée une instruction donnée. *
* *
* Retour : Valeur de codage de l'instruction. *
* *
* Remarques : - *
* *
******************************************************************************/
bin_t get_govm_instruction_opcode(GoVMOpcodes id)
{
return _instructions[id].opcode;
}
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