C++ r_anal_op函数代码示例

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本文整理汇总了C++中r_anal_op函数的典型用法代码示例。如果您正苦于以下问题：C++ r_anal_op函数的具体用法？C++ r_anal_op怎么用？C++ r_anal_op使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了r_anal_op函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: emu_step

int emu_step (emu *e, ut8 *buf)
{
	int ret;
	ut64 addr = r_reg_getv (e->reg, r_reg_get_name (e->reg, R_REG_NAME_PC));		//Check Breakboints here: new return stat for that
	if (e->plugin->read) {
		if (e->plugin->min_read_sz)
			e->plugin->read (e, addr, buf, e->plugin->min_read_sz);
		else	e->plugin->read (e, addr, buf, sizeof(int));
	} else {
		if (e->plugin->min_read_sz)
			emu_read (e, addr, buf, e->plugin->min_read_sz);
		else	emu_read (e, addr, buf, sizeof(int));
	}

	if (e->plugin->deps & EMU_PLUGIN_DEP_ASM) {						//only disassemble if it is necessary
		r_asm_set_pc (e->a, addr);
		if (e->plugin->min_read_sz)
			r_asm_disassemble (e->a, e->op, buf, e->plugin->min_read_sz);
		else	r_asm_disassemble (e->a, e->op, buf, sizeof(int));
	}

	if (e->plugin->deps & EMU_PLUGIN_DEP_ANAL) {						//only analize if it is necessary
		if (e->plugin->min_read_sz)
			r_anal_op (e->anal, e->anop, addr, buf, e->plugin->min_read_sz);
		else	r_anal_op (e->anal, e->anop, addr, buf, sizeof(int));
	}

	ret = e->plugin->step (e, buf);

	if (e->plugin->deps & EMU_PLUGIN_DEP_ANAL)
		r_anal_op_fini (e->anop);

	return ret;
}

开发者ID:condret，项目名称:ramulate，代码行数:34，代码来源:emu.c

示例2: iscallret

static int iscallret(RDebug *dbg, ut64 addr) {
	ut8 buf[32];
	if (addr == 0LL || addr == UT64_MAX)
		return 0;
	/* check if region is executable */
	/* check if previous instruction is a call */
	/* if x86 expect CALL to be 5 byte length */
	if (dbg->arch && !strcmp (dbg->arch, "x86")) {
		(void)dbg->iob.read_at (dbg->iob.io, addr-5, buf, 5);
		if (buf[0] == 0xe8) {
			return 1;
		}
		if (buf[3] == 0xff  /* bits 4-5 (from right) of next byte must be 01 */
		    && ((buf[4] & 0xf0) == 0xd0  /* Mod is 11 */
		        || ((buf[4] & 0xf0) == 0x10  /* Mod is 00 */
		            && (buf[4] & 0x06) != 0x04))) {  /* R/M not 10x */
			return 1;
		}
		// IMMAMISSINGANYOP
	} else {
		RAnalOp op;
		(void) dbg->iob.read_at (dbg->iob.io, addr-8, buf, 8);
		(void) r_anal_op (dbg->anal, &op, addr-8, buf, 8, R_ANAL_OP_MASK_BASIC);
		if (op.type == R_ANAL_OP_TYPE_CALL || op.type == R_ANAL_OP_TYPE_UCALL) {
			return 1;
		}
		/* delay slot */
		(void) r_anal_op (dbg->anal, &op, addr-4, buf, 4, R_ANAL_OP_MASK_BASIC);
		if (op.type == R_ANAL_OP_TYPE_CALL || op.type == R_ANAL_OP_TYPE_UCALL) {
			return 1;
		}
	}
	return 0;
}

开发者ID:agatti，项目名称:radare2，代码行数:34，代码来源:fuzzy-all.c

示例3: r_debug_continue_until_optype

/* optimization: avoid so many reads */
R_API int r_debug_continue_until_optype(RDebug *dbg, int type, int over) {
	int (*step)(RDebug *d, int n);
	int ret, n = 0;
	ut64 pc = 0;
	RAnalOp op;
	ut8 buf[64];

	if (r_debug_is_dead (dbg))
		return R_FALSE;
	if (dbg->anal && dbg->reg) {
		const char *pcreg = dbg->reg->name[R_REG_NAME_PC];
		step = over? r_debug_step_over: r_debug_step;
		for (;;) {
			pc = r_debug_reg_get (dbg, pcreg);
			dbg->iob.read_at (dbg->iob.io, pc, buf, sizeof (buf));
			ret = r_anal_op (dbg->anal, &op, pc, buf, sizeof (buf));
			if (ret>0 && op.type&type)
				break;
			if (!step (dbg, 1)) {
				eprintf ("r_debug_step: failed\n");
				break;
			}
			n++;
		}
	} else eprintf ("Undefined pointer at dbg->anal\n");
	return n;
}

开发者ID:josdiaz，项目名称:radare2，代码行数:28，代码来源:debug.c

示例4: analyze

static int analyze(RAnal *anal, RAnalOp *op, ut64 offset, ut8* buf, int len) {
	char *bytes, *optype = NULL, *stackop = NULL;
	int ret;

	ret = r_anal_op (anal, op, offset, buf, len);
	if (ret) {
		stackop = stackop2str (op->stackop);
		optype = optype2str (op->type);
		bytes = r_hex_bin2strdup (buf, ret);
		printf ("bytes:    %s\n", bytes);
		printf ("type:     %s\n", optype);
		if (op->jump != -1LL)
			printf ("jump:     0x%08"PFMT64x"\n", op->jump);
		if (op->fail != -1LL)
			printf ("fail:     0x%08"PFMT64x"\n", op->fail);
		//if (op->ref != -1LL)
		//	printf ("ref:      0x%08"PFMT64x"\n", op->ref);
		if (op->val != -1LL)
			printf ("value:    0x%08"PFMT64x"\n", op->val);
		printf ("stackop:  %s\n", stackop);
		printf ("esil:     %s\n", r_strbuf_get (&op->esil));
		printf ("stackptr: %"PFMT64d"\n", op->stackptr);
		printf ("decode str: %s\n", r_anal_op_to_string (anal, op));
		printf ("--\n");
		free (optype);
		free (stackop);
		free (bytes);
	}
	return ret;
}

开发者ID:AitorATuin，项目名称:radare2，代码行数:30，代码来源:ranal2.c

示例5: r_core_hack

R_API int r_core_hack(RCore *core, const char *op) {
	bool (*hack)(RCore *core, const char *op, const RAnalOp *analop) = NULL;
	const char *asmarch = r_config_get (core->config, "asm.arch");
	const int asmbits = core->assembler->bits;

	if (!asmarch) {
		return false;
	}
	if (strstr (asmarch, "x86")) {
		hack = r_core_hack_x86;
	} else if (strstr (asmarch, "arm")) {
		if (asmbits == 64) {
			hack = r_core_hack_arm64;
		} else {
			hack = r_core_hack_arm;
		}
	} else {
		eprintf ("TODO: write hacks are only for x86\n");
	}
	if (hack) {
		RAnalOp analop;
		if (!r_anal_op (core->anal, &analop, core->offset, core->block, core->blocksize, R_ANAL_OP_MASK_ALL)) {
			eprintf ("anal op fail\n");
			return false;
		}
		return hack (core, op, &analop);
	}
	return false;
}

开发者ID:megabug，项目名称:radare2，代码行数:29，代码来源:hack.c

示例6: R_NEW

R_API struct r_anal_refline_t *r_anal_reflines_get(struct r_anal_t *anal,
	ut64 addr, ut8 *buf, ut64 len, int nlines, int linesout, int linescall)
{
	RAnalRefline *list2, *list = R_NEW (RAnalRefline);
	RAnalOp op = {0};
	ut8 *ptr = buf;
	ut8 *end = buf + len;
	ut64 opc = addr;
	int sz = 0, index = 0;

	INIT_LIST_HEAD (&(list->list));

	end -= 8; // XXX Fix some segfaults when r_anal backends are buggy
	/* analyze code block */
	while (ptr<end) {
		if (nlines != -1 && --nlines == 0)
			break;
#if 0
		if (config.interrupted)
			break;
		int dt = data_type(config.seek+bsz);
		if (dt != DATA_FUN && dt != DATA_CODE) {
			ut64 sz = data_size (config.seek+bsz);
			if (sz > 0) {
				ptr += sz;
				bsz += sz;
				continue;
			}
		}
#endif
		addr += sz;
		// This can segflauta if opcode length and buffer check fails
		r_anal_op_fini (&op);
		sz = r_anal_op (anal, &op, addr, ptr, (int)(end-ptr));
		if (sz > 0) {
			/* store data */
			switch (op.type) {
			case R_ANAL_OP_TYPE_CALL:
				if (!linescall)
					break;
			case R_ANAL_OP_TYPE_CJMP:
			case R_ANAL_OP_TYPE_JMP:
				if (!linesout && (op.jump > opc+len || op.jump < opc))
					goto __next;
				if (op.jump == 0LL)
					goto __next;
				list2 = R_NEW (RAnalRefline);
				list2->from = addr;
				list2->to = op.jump;
				list2->index = index++;
				list_add_tail (&(list2->list), &(list->list));
				break;
			}
		} else sz = 1;
	__next:
		ptr += sz;
	}
	r_anal_op_fini (&op);
	return list;
}

开发者ID:ReverseLab，项目名称:radare2，代码行数:60，代码来源:reflines.c

示例7: r_debug_step_soft

// XXX: very experimental
R_API int r_debug_step_soft(RDebug *dbg) {
	int ret;
	ut8 buf[32];
	RAnalOp op;
	ut64 pc0, pc1, pc2;
	if (r_debug_is_dead (dbg))
		return R_FALSE;
	pc0 = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
	dbg->iob.read_at (dbg->iob.io, pc0, buf, sizeof (buf));
	ret = r_anal_op (dbg->anal, &op, pc0, buf, sizeof (buf));
//eprintf ("read from pc0 = 0x%llx\n", pc0);
	pc1 = pc0 + op.length;
//eprintf ("oplen = %d\n", op.length);
//eprintf ("breakpoint at pc1 = 0x%llx\n", pc1);
	// XXX: Does not works for 'ret'
	pc2 = op.jump? op.jump: 0;
//eprintf ("ADD SECOND BREAKPOINT FRO CALLS %llx\n", op.jump);
//eprintf ("breakpoint 2 at pc2 = 0x%llx\n", pc2);

	r_bp_add_sw (dbg->bp, pc1, 4, R_BP_PROT_EXEC);
	if (pc2) r_bp_add_sw (dbg->bp, pc2, 4, R_BP_PROT_EXEC);
	r_debug_continue (dbg);
//eprintf ("wait\n");
	//r_debug_wait (dbg);
//eprintf ("del\n");
	r_bp_del (dbg->bp, pc1);
	if (pc2) r_bp_del (dbg->bp, pc2);

	return ret;
}

开发者ID:josdiaz，项目名称:radare2，代码行数:31，代码来源:debug.c

示例8: r_debug_step_over

R_API int r_debug_step_over(RDebug *dbg, int steps) {
	RAnalOp op;
	ut8 buf[64];
	int ret = -1;
	if (r_debug_is_dead (dbg))
		return R_FALSE;
	if (dbg->h && dbg->h->step_over) {
		if (steps<1) steps = 1;
		while (steps--)
			if (!dbg->h->step_over (dbg))
				return R_FALSE;
		return R_TRUE;
	}
	if (dbg->anal && dbg->reg) {
		ut64 pc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
		dbg->iob.read_at (dbg->iob.io, pc, buf, sizeof (buf));
		r_anal_op (dbg->anal, &op, pc, buf, sizeof (buf));
		if (op.type & R_ANAL_OP_TYPE_CALL
		   || op.type & R_ANAL_OP_TYPE_UCALL) {
			ut64 bpaddr = pc + op.length;
			r_bp_add_sw (dbg->bp, bpaddr, 1, R_BP_PROT_EXEC);
			ret = r_debug_continue (dbg);
			r_bp_del (dbg->bp, bpaddr);
		} else {
			ret = r_debug_step (dbg, 1);
		}
	} else eprintf ("Undefined debugger backend\n");
	return ret;
}

开发者ID:josdiaz，项目名称:radare2，代码行数:29，代码来源:debug.c

示例9: r_debug_esil_stepi

R_API int r_debug_esil_stepi (RDebug *d) {
	RAnalOp op;
	ut8 obuf[64];
	int ret = 1;
	dbg = d;
	if (!ESIL) {
		ESIL = r_anal_esil_new (R_TRUE);
		// TODO setup something?
	}

	r_debug_reg_sync (dbg, R_REG_TYPE_GPR, R_FALSE);
	opc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
	dbg->iob.read_at (dbg->iob.io, opc, obuf, sizeof (obuf));

	//dbg->iob.read_at (dbg->iob.io, npc, buf, sizeof (buf));

	//dbg->anal->reg = dbg->reg; // hack
	ESIL->cb.hook_mem_read = &esilbreak_mem_read;
	ESIL->cb.hook_mem_write = &esilbreak_mem_write;
	ESIL->cb.hook_reg_read = &esilbreak_reg_read;
	ESIL->cb.hook_reg_write = &esilbreak_reg_write;

	if (prestep) {
		// required when a exxpression is like <= == ..
		// otherwise it will stop at the next instruction
		if (r_debug_step (dbg, 1)<1) {
			eprintf ("Step failed\n");
			return 0;
		}
		r_debug_reg_sync (dbg, R_REG_TYPE_GPR, R_FALSE);
		//	npc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
	}

	if (r_anal_op (dbg->anal, &op, opc, obuf, sizeof (obuf))) {
		if (esilbreak_check_pc (dbg, opc)) {
			eprintf ("STOP AT 0x%08"PFMT64x"\n", opc);
			ret = 0;
		} else {
			r_anal_esil_set_pc (ESIL, opc);
			eprintf ("0x%08"PFMT64x"  %s\n", opc, R_STRBUF_SAFEGET (&op.esil));
			(void)r_anal_esil_parse (ESIL, R_STRBUF_SAFEGET (&op.esil));
			//r_anal_esil_dumpstack (ESIL);
			r_anal_esil_stack_free (ESIL);
			ret = 1;
		}
	}
	if (!prestep) {
		if (ret && !has_match) {
			if (r_debug_step (dbg, 1)<1) {
				eprintf ("Step failed\n");
				return 0;
			}
			r_debug_reg_sync (dbg, R_REG_TYPE_GPR, R_FALSE);
			//	npc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
		}
	}
	return ret;
}

开发者ID:AitorATuin，项目名称:radare2，代码行数:58，代码来源:esil.c

示例10: r_debug_continue_until_optype

R_API int r_debug_continue_until_optype(RDebug *dbg, int type, int over) {
	int ret, n = 0;
	ut64 pc, buf_pc = 0;
	RAnalOp op;
	ut8 buf[DBG_BUF_SIZE];

	if (r_debug_is_dead (dbg)) {
		return R_FALSE;
	}

	if (!dbg->anal || !dbg->reg) { 
		eprintf ("Undefined pointer at dbg->anal\n");
		return R_FALSE;
	}

	r_debug_step (dbg, 1);
	r_debug_reg_sync (dbg, R_REG_TYPE_GPR, R_FALSE);

	// Initial refill
	buf_pc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
	dbg->iob.read_at (dbg->iob.io, buf_pc, buf, sizeof (buf));

	// step first, we dont want to check current optype
	for (;;) {
		r_debug_reg_sync (dbg, R_REG_TYPE_GPR, R_FALSE);
		pc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
		// Try to keep the buffer full 
		if (pc - buf_pc > sizeof (buf)) { 
			buf_pc = pc;
			dbg->iob.read_at (dbg->iob.io, buf_pc, buf, sizeof (buf));
		}
		// Analyze the opcode
		if (!r_anal_op (dbg->anal, &op, pc, buf + (pc - buf_pc), sizeof (buf) - (pc - buf_pc))) {
			eprintf ("Decode error at %"PFMT64x"\n", pc);
			return R_FALSE;
		}
		if (op.type == type) 
			break;
		// Step over and repeat
		ret = over ?
			r_debug_step_over (dbg, 1) :
			r_debug_step (dbg, 1);

		if (!ret) {
			eprintf ("r_debug_step: failed\n");
			break;
		}
		n++;
	}

	return n;
}

开发者ID:Kakkoroid，项目名称:radare2，代码行数:52，代码来源:debug.c

示例11: prevopsz

static int prevopsz (RCore *core, ut64 addr) {
	ut64 target = addr;
	ut64 base = target-OPDELTA;
	int len, ret, i;
	ut8 buf[OPDELTA*2];
	RAnalOp op;

	r_core_read_at (core, base, buf, sizeof (buf));
	for (i=0; i<sizeof (buf); i++) {
		ret = r_anal_op (core->anal, &op, base+i,
			buf+i, sizeof (buf)-i);
		if (!ret) continue;
		len = op.size;
		r_anal_op_fini (&op); // XXX
		if (len<1) continue;
		i += len-1;
		if (target == base+i+1)
			return len;
	}
	return 4;
}

开发者ID:xuwenbo，项目名称:radare2，代码行数:21，代码来源:visual.c

示例12: __esil_step

static int __esil_step(RDebug *dbg) {
    int oplen;
    ut8 buf[64];
    ut64 pc = 0LL; // getreg("pc")
    RAnalOp op;

    pc = r_debug_reg_get (dbg, "pc");
/// XXX. hack to trick vaddr issue
//pc = 0x100001478;
    memset (buf, 0, sizeof (buf));
    dbg->iob.read_at (dbg->iob.io, pc, buf, 64);
    eprintf ("READ 0x%08"PFMT64x" %02x %02x %02x\n", pc, buf[0], buf[1], buf[2]);
    oplen = r_anal_op (dbg->anal, &op, pc, buf, sizeof (buf));
    if (oplen>0) {
        if (*R_STRBUF_SAFEGET (&op.esil)) {
            eprintf ("ESIL: %s\n", R_STRBUF_SAFEGET (&op.esil));
        }
    }
    eprintf ("TODO: ESIL STEP\n");
    return true;
}

开发者ID:gabrielPeart，项目名称:radare2，代码行数:21，代码来源:debug_esil.c

示例13: r_core_hack

R_API int r_core_hack(RCore *core, const char *op) {
	int (*hack)(RCore *core, const char *op, const RAnalOp *analop) = NULL;
	const char *asmarch = r_config_get (core->config, "asm.arch");
	RAnalOp analop;

	if (strstr (asmarch, "x86")) {
		hack = r_core_hack_x86;
	} else if (strstr (asmarch, "arm")) {
		hack = r_core_hack_arm;
	} else {
		eprintf ("TODO: write hacks are only for x86\n");
	}
	if (hack) {
		if (!r_anal_op (core->anal, &analop, core->offset, core->block, core->blocksize)) {
			eprintf ("anal op fail\n");
			return false;
		}
		return hack (core, op, &analop);
	}
	return false;
}

开发者ID:13572293130，项目名称:radare2，代码行数:21，代码来源:hack.c

示例14: prevopsz

static int prevopsz (RCore *core, ut64 addr) {
	const int delta = 32;
	ut64 target = addr;
	ut64 base = target-delta;
	int len, ret, i;
	ut8 buf[delta*2];
	RAnalOp op;

	r_core_read_at (core, base, buf, sizeof (buf));
	for (i=0; i<sizeof (buf); i++) {
		ret = r_anal_op (core->anal, &op, addr+i,
			buf+i, sizeof (buf)-i);
		if (!ret) continue;
		len = op.length;
		r_anal_op_fini (&op);
		if (len<1) continue;
		i += len-1;
		if (target == base+i+1)
			return len;
	}
	return 4;
}

开发者ID:BatchDrake，项目名称:radare2，代码行数:22，代码来源:visual.c

示例15: num_callback

static ut64 num_callback(RNum *userptr, const char *str, int *ok) {
	RCore *core = (RCore *)userptr; // XXX ?
	RAnalFunction *fcn;
	char *ptr, *bptr, *out;
	RFlagItem *flag;
	RIOSection *s;
	RAnalOp op;
	ut64 ret = 0;

	if (ok) *ok = R_FALSE;
	switch (*str) {
	case '[':
{
		ut64 n = 0LL;
		int refsz = (core->assembler->bits & R_SYS_BITS_64)? 8: 4;
		const char *p = NULL;
		if (strlen (str)>5)
			p = strchr (str+5, ':');
		// TODO: honor LE
		if (p) {
			refsz = atoi (str+1);
			str = p;
		}
		// push state
		{
			if (str[0] && str[1]) {
				const char *q;
				char *o = strdup (str+1);
				if (o) {
					q = r_num_calc_index (core->num, NULL);
					if (q) {
						if (r_str_replace_char (o, ']', 0)>0) {
							n = r_num_math (core->num, o);
							r_num_calc_index (core->num, q);
						}
					}
					free (o);
				}
			}
		}
		// pop state
		if (ok) *ok = 1;
		ut32 num = 0;
		switch (refsz) {
		case 8:
		case 4:
		case 2:
		case 1:
			(void)r_io_read_at (core->io, n, (ut8*)&num, refsz);
			r_mem_copyendian ((ut8*)&num, (ut8*)&num, refsz, !core->assembler->big_endian);
			return num;
		default:
			eprintf ("Invalid reference size: %d (%s)\n", refsz, str);
			return 0LL;
		}
}
		break;
	case '$':
		if (ok) *ok = 1;
		// TODO: group analop-dependant vars after a char, so i can filter
		r_anal_op (core->anal, &op, core->offset,
			core->block, core->blocksize);
		switch (str[1]) {
		case '.': // can use pc, sp, a0, a1, ...
			return r_debug_reg_get (core->dbg, str+2);
		case 'k':
			if (str[2]!='{') {
				eprintf ("Expected '{' after 'k'.\n");
				break;
			}
			bptr = strdup (str+3);
			ptr = strchr (bptr, '}');
			if (ptr == NULL) {
				// invalid json
				free (bptr);
				break;
			}
			*ptr = '\0';
			ret = 0LL;
			out = sdb_querys (core->sdb, NULL, 0, bptr);
			if (out && *out) {
				if (strstr (out, "$k{")) {
					eprintf ("Recursivity is not permitted here\n");
				} else {
					ret = r_num_math (core->num, out);
				}
			}
			free (bptr);
			free (out);
			return ret;
			break;
		case '{':
			bptr = strdup (str+2);
			ptr = strchr (bptr, '}');
			if (ptr != NULL) {
				ut64 ret;
				ptr[0] = '\0';
				ret = r_config_get_i (core->config, bptr);
				free (bptr);
				return ret;
//.........这里部分代码省略.........

开发者ID:0x2F，项目名称:radare2，代码行数:101，代码来源:core.c

示例16: cmd_seek


//.........这里部分代码省略.........
					*p = '\0';
				}
				cmd[0] = 's';
				// perform real seek if provided
				r_cmd_call (core->rcmd, cmd);
				free (cmd);
			}
			r_io_sundo_push (core->io, core->offset);
			r_core_seek_align (core, off, 0);
			break;
		case 'b':
			if (off == 0)
				off = core->offset;
			r_io_sundo_push (core->io, core->offset);
			r_core_anal_bb_seek (core, off);
			break;
		case 'f':
			if (strlen(input) > 2 && input[1]==' ') {
				RAnalFunction *fcn = r_anal_fcn_find_name (core->anal, input+2);
				if (fcn) {
					r_core_seek (core, fcn->addr, 1);
				}
				break;
			}
			RAnalFunction *fcn = r_anal_fcn_find (core->anal, core->offset, 0);
			if (fcn) {
				r_core_seek (core, fcn->addr+fcn->size, 1);
			}
			break;
		case 'o':
			{
			RAnalOp op;
			int val=0, ret, i, n = r_num_math (core->num, input+1);
			if (n==0) n = 1;
			if (n<0) {
				int ret = prevopsz (core, n);
				ret = r_anal_op (core->anal, &op,
						core->offset, core->block, core->blocksize);
				val += ret;
			} else
			for (val=i=0; i<n; i++) {
				ret = r_anal_op (core->anal, &op,
						core->offset, core->block, core->blocksize);
				if (ret<1)
					break;
				r_core_seek_delta (core, ret);
				val += ret;
			}
			core->num->value = val;
			}
			break;
		case 'g':
			{
			RIOSection *s = r_io_section_vget (core->io, core->offset);
			if (s) r_core_seek (core, s->vaddr, 1);
			else r_core_seek (core, 0, 1);
			}
			break;
		case 'G':
			{
			RIOSection *s = r_io_section_vget (core->io, core->offset);
			// XXX: this +2 is a hack. must fix gap between sections
			if (s) r_core_seek (core, s->vaddr+s->size+2, 1);
			else r_core_seek (core, core->file->size, 1);
			}
			break;
		case '?': {
			const char * help_message[] = {
			"Usage: s", "", " # Seek commands",
			"s", "", "Print current address",
			"s", " addr", "Seek to address",
			"s-", "", "Undo seek",
			"s-", " n", "Seek n bytes backward",
			"s--", "", "Seek blocksize bytes backward",
			"s+", "", "Redo seek",
			"s+", " n", "Seek n bytes forward",
			"s++", "", "Seek blocksize bytes forward",
			"s*", "", "List undo seek history",
			"s/", " DATA", "Search for next occurrence of 'DATA'",
			"s/x", " 9091", "Search for next occurrence of \\x90\\x91",
			"s.", "hexoff", "Seek honoring a base from core->offset",
			"sa", " [[+-]a] [asz]", "Seek asz (or bsize) aligned to addr",
			"sb", "", "Seek aligned to bb start",
			"sC", " string", "Seek to comment matching given string",
			"sf", "", "Seek to next function (f->addr+f->size)",
			"sf", " function", "Seek to address of specified function",
			"sg/sG", "", "Seek begin (sg) or end (sG) of section or file",
			"sn/sp", "", "Seek next/prev scr.nkey",
			"so", " [N]", "Seek to N next opcode(s)",
			"sr", " pc", "Seek to register",
			//"sp [page]  seek page N (page = block)",
			NULL
			};
			r_core_cmd_help(core, help_message);
		}
			break;
		}
	} else r_cons_printf ("0x%"PFMT64x"\n", core->offset);
	return 0;
}

开发者ID:KarjamP，项目名称:radare2，代码行数:101，代码来源:cmd_seek.c

示例17: r_debug_continue_kill

R_API int r_debug_continue_kill(RDebug *dbg, int sig) {
	ut64 pc;
	int retwait, ret = R_FALSE;
	if (!dbg)
		return R_FALSE;
#if __WINDOWS__
	r_cons_break(w32_break_process, dbg);
#endif
repeat:
	if (r_debug_is_dead (dbg))
		return R_FALSE;
	if (dbg->h && dbg->h->cont) {
		r_bp_restore (dbg->bp, R_TRUE); // set sw breakpoints
		ret = dbg->h->cont (dbg, dbg->pid, dbg->tid, sig);
		dbg->reason.signum = 0;
		retwait = r_debug_wait (dbg);
#if __WINDOWS__
		if (retwait != R_DEBUG_REASON_DEAD) {
			ret = dbg->tid;
		}
#endif
		r_bp_restore (dbg->bp, R_FALSE); // unset sw breakpoints
		//r_debug_recoil (dbg);
		if (r_debug_recoil (dbg) || (dbg->reason.type == R_DEBUG_REASON_BREAKPOINT)) {
			/* check if cur bp demands tracing or not */
			pc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
			RBreakpointItem *b = r_bp_get_at (dbg->bp, pc);
			if (b) {
				/* check if cur bp demands tracing or not */
				if (b->trace) {
					eprintf("hit tracepoit at: %"PFMT64x"\n",pc);
				} else {
					eprintf("hit breakpoint at: %"PFMT64x"\n",pc);
				}
				if (dbg->trace->enabled)
					r_debug_trace_pc (dbg);
				// TODO: delegate this to RCore.bphit(RCore, RBreakopintItem)
				if (dbg->corebind.core && dbg->corebind.bphit) {
					dbg->corebind.bphit (dbg->corebind.core, b);
				}
				if (b->trace) {
					r_debug_step (dbg, 1);
					goto repeat;
				}
			}
		}
#if 0
#if __UNIX__
		/* XXX Uh? */
		if (dbg->stop_all_threads && dbg->pid>0)
			r_sandbox_kill (dbg->pid, SIGSTOP);
#endif
#endif
		r_debug_select (dbg, dbg->pid, ret);
		sig = 0; // clear continuation after signal if needed
		if (retwait == R_DEBUG_REASON_SIGNAL && dbg->reason.signum != -1) {
			int what = r_debug_signal_what (dbg, dbg->reason.signum);
			if (what & R_DBG_SIGNAL_CONT) {
				sig = dbg->reason.signum;
				eprintf ("Continue into the signal %d handler\n", sig);
				goto repeat;
			} else if (what & R_DBG_SIGNAL_SKIP) {
				// skip signal. requires skipping one instruction
				ut8 buf[64];
				RAnalOp op = {0};
				ut64 pc = r_debug_reg_get (dbg, "pc");
				dbg->iob.read_at (dbg->iob.io, pc, buf, sizeof (buf));
				r_anal_op (dbg->anal, &op, pc, buf, sizeof (buf));
				if (op.size>0) {
					const char *signame = r_debug_signal_resolve_i (dbg, dbg->reason.signum);
					r_debug_reg_set (dbg, "pc", pc+op.size);
					eprintf ("Skip signal %d handler %s\n",
						dbg->reason.signum, signame);
					goto repeat;
				} else  {
					ut64 pc = r_debug_reg_get (dbg, "pc");
					eprintf ("Stalled with an exception at 0x%08"PFMT64x"\n", pc);
				}
			}
		}
	}
	return ret;
}

开发者ID:Kakkoroid，项目名称:radare2，代码行数:83，代码来源:debug.c

示例18: r_debug_step_over

R_API int r_debug_step_over(RDebug *dbg, int steps) {
	RAnalOp op;
	ut64 buf_pc, pc;
	ut8 buf[DBG_BUF_SIZE];
	int i;

	if (r_debug_is_dead (dbg))
		return R_FALSE;

	if (steps < 1)
		steps = 1;

	if (dbg->h && dbg->h->step_over) {
		for (i = 0; i < steps; i++)
			if (!dbg->h->step_over (dbg))
				return R_FALSE;
		return i;
	}

	if (!dbg->anal || !dbg->reg)
		return R_FALSE;

	// Initial refill
	buf_pc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
	dbg->iob.read_at (dbg->iob.io, buf_pc, buf, sizeof (buf));

	for (i = 0; i < steps; i++) {
		pc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
		// Try to keep the buffer full 
		if (pc - buf_pc > sizeof (buf)) { 
			buf_pc = pc;
			dbg->iob.read_at (dbg->iob.io, buf_pc, buf, sizeof (buf));
		}
		// Analyze the opcode
		if (!r_anal_op (dbg->anal, &op, pc, buf + (pc - buf_pc), sizeof (buf) - (pc - buf_pc))) {
			eprintf ("Decode error at %"PFMT64x"\n", pc);
			return R_FALSE;
		}

		// Skip over all the subroutine calls
		if (op.type == R_ANAL_OP_TYPE_CALL  ||
			op.type == R_ANAL_OP_TYPE_CCALL ||
			op.type == R_ANAL_OP_TYPE_UCALL ||
			op.type == R_ANAL_OP_TYPE_UCCALL) {

			// Use op.fail here instead of pc+op.size to enforce anal backends to fill in this field
			if (!r_debug_continue_until (dbg, op.fail)) {
				eprintf ("Could not step over call @ 0x%"PFMT64x"\n", pc);
				return R_FALSE;
			}
		} else if ((op.prefix & (R_ANAL_OP_PREFIX_REP | R_ANAL_OP_PREFIX_REPNE | R_ANAL_OP_PREFIX_LOCK))) {
			//eprintf ("REP: skip to next instruction...\n");
			if (!r_debug_continue_until (dbg, pc+op.size)) {
				eprintf ("step over failed over rep\n");
				return R_FALSE;
			}
		} else r_debug_step (dbg, 1);
	}

	return i;
}

开发者ID:Kakkoroid，项目名称:radare2，代码行数:61，代码来源:debug.c

示例19: r_debug_step_soft

R_API int r_debug_step_soft(RDebug *dbg) {
	ut8 buf[32];
	ut64 pc, sp;
	ut64 next[2];
	RAnalOp op;
	int br, i, ret;
	union {
		ut64 r64;
		ut32 r32[2];
	} sp_top;

	if (r_debug_is_dead (dbg))
		return R_FALSE;

	pc = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_PC]);
	sp = r_debug_reg_get (dbg, dbg->reg->name[R_REG_NAME_SP]);

	if (dbg->iob.read_at) {
		if (dbg->iob.read_at (dbg->iob.io, pc, buf, sizeof (buf)) < 0)
			return R_FALSE;
	} else return R_FALSE;

	if (!r_anal_op (dbg->anal, &op, pc, buf, sizeof (buf)))
		return R_FALSE;

	if (op.type == R_ANAL_OP_TYPE_ILL)
		return R_FALSE;

	switch (op.type) {
	case R_ANAL_OP_TYPE_RET:
		dbg->iob.read_at (dbg->iob.io, sp, (ut8 *)&sp_top, 8);
		next[0] = (dbg->bits == R_SYS_BITS_32) ? sp_top.r32[0] : sp_top.r64;
		br = 1;
		break;

	case R_ANAL_OP_TYPE_CJMP:
	case R_ANAL_OP_TYPE_CCALL:
		next[0] = op.jump;
		next[1] = op.fail;
		br = 2;
		break;

	case R_ANAL_OP_TYPE_CALL:
	case R_ANAL_OP_TYPE_JMP:
		next[0] = op.jump;
		br = 1;
		break;

	default:
		next[0] = op.addr + op.size;
		br = 1;
		break;
	}

	for (i = 0; i < br; i++)
		r_bp_add_sw (dbg->bp, next[i], dbg->bpsize, R_BP_PROT_EXEC);

	ret = r_debug_continue (dbg);

	for (i = 0; i < br; i++)
		r_bp_del (dbg->bp, next[i]);

	return ret;
}

开发者ID:Kakkoroid，项目名称:radare2，代码行数:64，代码来源:debug.c

示例20: r_anal_bb

R_API int r_anal_bb(RAnal *anal, RAnalBlock *bb, ut64 addr, ut8 *buf, ut64 len, int head) {
	RAnalOp *op = NULL;
	int oplen, idx = 0;

	if (bb->addr == -1) {
		bb->addr = addr;
	}
	len -= 16; // XXX: hack to avoid segfault by x86im
	while (idx < len) {
		// TODO: too slow object construction
		if (!(op = r_anal_op_new ())) {
			eprintf ("Error: new (op)\n");
			return R_ANAL_RET_ERROR;
		}
		if ((oplen = r_anal_op (anal, op, addr + idx, buf + idx, len - idx)) == 0) {
			r_anal_op_free (op);
			op = NULL;
			if (idx == 0) {
				VERBOSE_ANAL eprintf ("Unknown opcode at 0x%08"PFMT64x"\n", addr+idx);
				return R_ANAL_RET_END;
			}
			break;
		}
		if (oplen < 1) {
			return R_ANAL_RET_END;
		}

		r_anal_bb_set_offset (bb, bb->ninstr, addr + idx - bb->addr);
		idx += oplen;
		bb->size += oplen;
		bb->ninstr++;
#if R_ANAL_BB_HAS_OPS
		r_list_append (bb->ops, op);
#endif
		if (head) {
			bb->type = R_ANAL_BB_TYPE_HEAD;
		}

		switch (op->type) {
		case R_ANAL_OP_TYPE_CMP:
			r_anal_cond_free (bb->cond);
			bb->cond = r_anal_cond_new_from_op (op);
			break;
		case R_ANAL_OP_TYPE_CJMP:
			if (bb->cond) {
				// TODO: get values from anal backend
				bb->cond->type = R_ANAL_COND_EQ;
			} else VERBOSE_ANAL eprintf ("Unknown conditional for block 0x%"PFMT64x"\n", bb->addr);
			bb->conditional = 1;
			bb->fail = op->fail;
			bb->jump = op->jump;
			bb->type |= R_ANAL_BB_TYPE_BODY;
			goto beach;
		case R_ANAL_OP_TYPE_JMP:
			bb->jump = op->jump;
			bb->type |= R_ANAL_BB_TYPE_BODY;
			goto beach;
		case R_ANAL_OP_TYPE_UJMP:
			bb->type |= R_ANAL_BB_TYPE_FOOT;
			goto beach;
		case R_ANAL_OP_TYPE_RET:
			bb->type |= R_ANAL_BB_TYPE_LAST;
			goto beach;
		case R_ANAL_OP_TYPE_LEA:
		{
			RAnalValue *src = op->src[0];
			if (src && src->reg && anal->reg) {
				const char *pc = anal->reg->name[R_REG_NAME_PC];
				RAnalValue *dst = op->dst;
				if (dst && dst->reg && !strcmp (src->reg->name, pc)) {
					int memref = anal->bits/8;
					ut8 b[8];
					ut64 ptr = idx+addr+src->delta;
					anal->iob.read_at (anal->iob.io, ptr, b, memref);
					r_anal_ref_add (anal, ptr, addr+idx-op->size, 'd');
				}
			}
		}
		}
		r_anal_op_free (op);
	}
	return bb->size;
beach:
	r_anal_op_free (op);
	return R_ANAL_RET_END;
}

开发者ID:adelashraf，项目名称:radare2，代码行数:86，代码来源:bb.c

注：本文中的r_anal_op函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ r_anal_op函数代码示例

示例1: emu_step

示例2: iscallret

示例3: r_debug_continue_until_optype

示例4: analyze

示例5: r_core_hack

示例6: R_NEW

示例7: r_debug_step_soft

示例8: r_debug_step_over

示例9: r_debug_esil_stepi

示例10: r_debug_continue_until_optype

示例11: prevopsz

示例12: __esil_step

示例13: r_core_hack

示例14: prevopsz

示例15: num_callback

示例16: cmd_seek

示例17: r_debug_continue_kill

示例18: r_debug_step_over

示例19: r_debug_step_soft

示例20: r_anal_bb

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