summaryrefslogtreecommitdiff
path: root/src/arch/x86/operand.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/x86/operand.c')
-rw-r--r--src/arch/x86/operand.c234
1 files changed, 0 insertions, 234 deletions
diff --git a/src/arch/x86/operand.c b/src/arch/x86/operand.c
deleted file mode 100644
index c83cbfa..0000000
--- a/src/arch/x86/operand.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/* Chrysalide - Outil d'analyse de fichiers binaires
- * operand.c - gestion des operandes de l'architecture x86
- *
- * Copyright (C) 2008-2017 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include "operand.h"
-
-
-
-/******************************************************************************
-* *
-* Paramètres : instr = instruction dont la définition est à compléter. [OUT]*
-* data = flux de données à analyser. *
-* pos = position courante dans ce flux. [OUT] *
-* len = taille totale des données à analyser. *
-* count = quantité d'opérandes à lire. *
-* ... = éventuelle(s) information(s) complémentaire(s). *
-* *
-* Description : Procède à la lecture de trois opérandes donnés. *
-* *
-* Retour : Bilan de l'opération : true en cas de succès, false sinon. *
-* *
-* Remarques : - *
-* *
-******************************************************************************/
-
-bool _x86_read_operands(GArchInstruction *instr, const bin_t *data, off_t *pos, off_t len, unsigned int count, ...)
-{
- bool result; /* Bilan à retourner */
- va_list ap; /* Liste des compléments */
- X86OperandType types[MAX_OPERANDS]; /* Type des opérandes */
- unsigned int i; /* Boucle de parcours */
- bool op1_first; /* Position de l'opérande #1 */
- bool op2_first; /* Position de l'opérande #2 */
- MemoryDataSize oprsize; /* Taille des opérandes */
- off_t op_pos[MAX_OPERANDS]; /* Position après lecture */
- vmpa_t offset; /* Adresse courante */
- bin_t base; /* Indice du premier registre */
- GArchOperand *op; /* Opérande unique décodé */
-
- if (count > MAX_OPERANDS) return false;
-
- result = true;
-
- va_start(ap, count);
-
- /* Types à charger */
-
- for (i = 0; i < count; i++)
- types[i] = va_arg(ap, MemoryDataSize);
-
- for ( ; i < MAX_OPERANDS; i++)
- types[i] = X86_OTP_NONE;
-
- /* Initialisations */
-
- if (types[0] & X86_OTP_RM_TYPE)
- {
- op1_first = true;
- op2_first = false;
- }
- else if (types[1] & X86_OTP_RM_TYPE)
- {
- op1_first = false;
- op2_first = true;
- }
- else
- {
- op1_first = true;
- op2_first = false;
- }
-
- oprsize = MDS_UNDEFINED;
-
- /* Lecture des opérandes */
-
- for (i = 0; i < count && result; i++)
- {
- /* Tête de lecture */
- switch (i)
- {
- case 0:
- op_pos[0] = *pos;
- break;
-
- case 1:
- if ((types[0] & X86_OTP_REG_TYPE || types[0] & X86_OTP_RM_TYPE) && (types[1] & X86_OTP_IMM_TYPE))
- op_pos[1] = op_pos[0];
- else op_pos[1] = *pos;
- *pos = op_pos[0];
- break;
-
- case 2 ... MAX_OPERANDS:
- *pos = MAX(*pos, op_pos[i - 1]);
- op_pos[i] = *pos;
-
- }
-
- /* Lecture */
- switch (types[i])
- {
- case X86_OTP_IMM8:
- assert(0);
- //op = g_imm_operand_new_from_data_old(MDS_8_BITS, data, &op_pos[i], len, SRE_LITTLE /* FIXME */);
- break;
-
- case X86_OTP_IMM16:
- assert(0);
- //op = g_imm_operand_new_from_data_old(MDS_16_BITS, data, &op_pos[i], len, SRE_LITTLE /* FIXME */);
- break;
-
- case X86_OTP_IMM1632:
- if (oprsize == MDS_UNDEFINED) oprsize = va_arg(ap, MemoryDataSize);
- assert(0);
- //op = g_imm_operand_new_from_data_old(oprsize == MDS_32_BITS ? MDS_32_BITS : MDS_16_BITS, data, &op_pos[i], len, SRE_LITTLE /* FIXME */);
- break;
-
- case X86_OTP_MOFFS8:
- op = g_x86_moffs_operand_new(data, &op_pos[i], len, MDS_8_BITS);
- break;
-
- case X86_OTP_MOFFS1632:
- if (oprsize == MDS_UNDEFINED) oprsize = va_arg(ap, MemoryDataSize);
- op = g_x86_moffs_operand_new(data, &op_pos[i], len, oprsize);
- break;
-
- case X86_OTP_REL8:
- offset = va_arg(ap, vmpa_t);
- op = g_x86_relative_operand_new(data, &op_pos[i], len, MDS_8_BITS, offset + 1);
- break;
-
- case X86_OTP_REL1632:
- if (oprsize == MDS_UNDEFINED) oprsize = va_arg(ap, MemoryDataSize);
- offset = va_arg(ap, vmpa_t);
- op = g_x86_relative_operand_new(data, &op_pos[i], len, oprsize, offset + 1);
- break;
-
- case X86_OTP_R8:
- op = g_x86_register_operand_new_from_mod_rm(data, &op_pos[i], len, MDS_8_BITS, i == 0 ? op1_first : op2_first);
- break;
-
- case X86_OTP_R1632:
- if (oprsize == MDS_UNDEFINED) oprsize = va_arg(ap, MemoryDataSize);
- op = g_x86_register_operand_new_from_mod_rm(data, &op_pos[i], len, oprsize, i == 0 ? op1_first : op2_first);
- break;
-
- case X86_OTP_OP_R8:
- base = (bin_t)va_arg(ap, int);
- op = g_x86_register_operand_new_from_opcode(data, &op_pos[i], len, MDS_8_BITS, base);
- break;
-
- case X86_OTP_OP_R1632:
- if (oprsize == MDS_UNDEFINED) oprsize = va_arg(ap, MemoryDataSize);
- base = (bin_t)va_arg(ap, int);
- op = g_x86_register_operand_new_from_opcode(data, &op_pos[i], len, oprsize, base);
- break;
-
- case X86_OTP_RM8:
- op = g_x86_mod_rm_operand_new(data, &op_pos[i], len, MDS_8_BITS);
- break;
-
- case X86_OTP_RM16:
- op = g_x86_mod_rm_operand_new(data, &op_pos[i], len, MDS_16_BITS);
- break;
-
- case X86_OTP_RM1632:
- if (oprsize == MDS_UNDEFINED) oprsize = va_arg(ap, MemoryDataSize);
- op = g_x86_mod_rm_operand_new(data, &op_pos[i], len, oprsize);
- break;
-
- case X86_OTP_DST_8:
- op = g_x86_data_operand_new(MDS_8_BITS, true);
- break;
-
- case X86_OTP_DST_1632:
- if (oprsize == MDS_UNDEFINED) oprsize = va_arg(ap, MemoryDataSize);
- op = g_x86_data_operand_new(oprsize == MDS_32_BITS ? MDS_32_BITS : MDS_16_BITS, true);
- break;
-
- case X86_OTP_SRC_8:
- op = g_x86_data_operand_new(MDS_8_BITS, false);
- break;
-
- case X86_OTP_SRC_1632:
- if (oprsize == MDS_UNDEFINED) oprsize = va_arg(ap, MemoryDataSize);
- op = g_x86_data_operand_new(oprsize == MDS_32_BITS ? MDS_32_BITS : MDS_16_BITS, false);
- break;
-
- case X86_OTP_ONE:
- op = g_imm_operand_new_from_value(MDS_8_BITS, 1);
- break;
-
- case X86_OTP_CL:
- op = g_x86_register_operand_new_from_index(0x01, MDS_8_BITS);
- break;
-
- case X86_OTP_AL:
- op = g_x86_register_operand_new_from_index(0x00, MDS_8_BITS);
- break;
-
- case X86_OTP_E_AX:
- if (oprsize == MDS_UNDEFINED) oprsize = va_arg(ap, MemoryDataSize);
- op = g_x86_register_operand_new_from_index(0x00, oprsize);
- break;
-
- }
-
- if (op == NULL) result = false;
- else g_arch_instruction_attach_extra_operand(instr, op);
-
- }
-
- *pos = MAX(*pos, op_pos[i - 1]);
-
- return result;
-
-}
generated by cgit v0.11.2-87-g4458 at 2024-05-17 04:44:58 (GMT)