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149 lines
2.9 KiB
C
149 lines
2.9 KiB
C
/* radare - LGPL - Copyright 2012-2013 - pancake
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2014 - Fedor Sakharov <fedor.sakharov@gmail.com> */
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#include <string.h>
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#include <r_types.h>
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#include <r_lib.h>
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#include <r_asm.h>
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#include <r_anal.h>
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#include <r_util.h>
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#include <cr16_disas.h>
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static int cr16_op(RAnal *anal, RAnalOp *op, ut64 addr,
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const ut8 *buf, int len)
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{
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int ret;
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struct cr16_cmd cmd;
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memset(&cmd, 0, sizeof (cmd));
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memset(op, 0, sizeof (RAnalOp));
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ret = op->size = cr16_decode_command(buf, &cmd);
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if (ret <= 0) {
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return ret;
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}
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op->addr = addr;
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op->jump = op->fail = -1;
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op->ptr = op->val = -1;
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switch (cmd.type) {
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case CR16_TYPE_MOV:
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op->type = R_ANAL_OP_TYPE_MOV;
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break;
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case CR16_TYPE_ADD:
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op->type = R_ANAL_OP_TYPE_ADD;
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break;
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case CR16_TYPE_MUL:
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op->type = R_ANAL_OP_TYPE_MUL;
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break;
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case CR16_TYPE_SUB:
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op->type = R_ANAL_OP_TYPE_SUB;
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break;
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case CR16_TYPE_CMP:
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op->type = R_ANAL_OP_TYPE_CMP;
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break;
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case CR16_TYPE_BE:
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case CR16_TYPE_BNE:
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op->type = R_ANAL_OP_TYPE_CJMP;
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break;
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case CR16_TYPE_AND:
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op->type = R_ANAL_OP_TYPE_AND;
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break;
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case CR16_TYPE_OR:
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op->type = R_ANAL_OP_TYPE_OR;
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break;
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case CR16_TYPE_SCOND:
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break;
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case CR16_TYPE_XOR:
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op->type = R_ANAL_OP_TYPE_XOR;
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break;
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case CR16_TYPE_SHIFT:
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op->type = R_ANAL_OP_TYPE_SHR;
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break;
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case CR16_TYPE_BIT:
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op->type = R_ANAL_OP_TYPE_MOV;
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break;
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case CR16_TYPE_SLPR:
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op->type = R_ANAL_OP_TYPE_MOV;
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break;
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case CR16_TYPE_BCOND:
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if (cmd.reladdr) {
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op->jump = addr + cmd.reladdr;
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op->fail = addr + 2;
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}
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op->type = R_ANAL_OP_TYPE_CJMP;
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break;
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case CR16_TYPE_BR:
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case CR16_TYPE_BAL:
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op->type = R_ANAL_OP_TYPE_UJMP;
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break;
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case CR16_TYPE_EXCP:
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op->type = R_ANAL_OP_TYPE_SWI;
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break;
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case CR16_TYPE_JCOND:
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case CR16_TYPE_JAL:
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case CR16_TYPE_JUMP:
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case CR16_TYPE_JUMP_UNK:
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if (cmd.reladdr) {
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op->jump = addr + cmd.reladdr;
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op->fail = addr + 2;
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}
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op->type = R_ANAL_OP_TYPE_JMP;
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break;
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case CR16_TYPE_RETX:
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op->type = R_ANAL_OP_TYPE_RET;
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break;
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case CR16_TYPE_PUSH:
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op->type = R_ANAL_OP_TYPE_PUSH;
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break;
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case CR16_TYPE_POP:
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op->type = R_ANAL_OP_TYPE_POP;
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break;
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case CR16_TYPE_LOAD:
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case CR16_TYPE_DI:
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case CR16_TYPE_EI:
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case CR16_TYPE_STOR:
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op->type = R_ANAL_OP_TYPE_MOV;
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break;
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case CR16_TYPE_NOP:
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op->type = R_ANAL_OP_TYPE_NOP;
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break;
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case CR16_TYPE_WAIT:
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case CR16_TYPE_EWAIT:
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op->type = R_ANAL_OP_TYPE_SWI;
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break;
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default:
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op->type = R_ANAL_OP_TYPE_UNK;
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}
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return ret;
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}
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struct r_anal_plugin_t r_anal_plugin_cr16 = {
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.name = "cr16",
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.desc = "CR16 code analysis plugin",
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.license = "LGPL3",
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.arch = R_SYS_ARCH_CR16,
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.bits = 16,
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.init = NULL,
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.fini = NULL,
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.op = cr16_op,
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.set_reg_profile = NULL,
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.fingerprint_bb = NULL,
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.fingerprint_fcn = NULL,
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.diff_bb = NULL,
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.diff_fcn = NULL,
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.diff_eval = NULL,
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};
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#ifndef CORELIB
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struct r_lib_struct_t radare_plugin = {
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.type = R_LIB_TYPE_ANAL,
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.data = &r_anal_plugin_cr16,
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};
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#endif
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