예제 #1
0
파일: cmd_seek.c 프로젝트: KarjamP/radare2
static int cmd_seek(void *data, const char *input) {
	RCore *core = (RCore *)data;
	char *cmd, *p;
	ut64 off;

	if (*input=='r') {
		if (input[1] && input[2]) {
			if (core->io->debug) {
				off = r_debug_reg_get (core->dbg, input+2);
				r_io_sundo_push (core->io, core->offset);
				r_core_seek (core, off, 1);
			} else {
				RReg *orig = core->dbg->reg;
				core->dbg->reg = core->anal->reg;
				off = r_debug_reg_get (core->dbg, input+2);
				core->dbg->reg = orig;
				r_core_seek (core, off, 1);
			}
		} else eprintf ("|Usage| 'sr pc' seek to program counter register\n");
	} else
	if (*input) {
		const char *inputnum = strchr (input+1, ' ');
		int sign = 1;
		inputnum = inputnum? inputnum+1: input+1;
		off = r_num_math (core->num, inputnum);
		if (*inputnum== '-') off = -off;
#if 0
		if (input[0]!='/' && inputnum && isalpha (inputnum[0]) && off == 0) {
			if (!r_flag_get (core->flags, inputnum)) {
				eprintf ("Cannot find address for '%s'\n", inputnum);
				return R_FALSE;
			}
		}
#endif
		if (input[0]==' ') {
			switch (input[1]) {
			case '-': sign=-1;
			case '+': input++; break;
			}
		}

		switch (*input) {
		case 'C':
			if (input[1]=='*') {
				r_core_cmd0 (core, "C*~^\"CC");
			} else
			if (input[1]==' ') {
				typedef struct {
					ut64 addr;
					char *str;
				} MetaCallback;
				int count = 0;
				MetaCallback cb = { 0, NULL };
				ut64 addr;
				char key[128];
				const char *val, *comma;
				char *list = sdb_get (core->anal->sdb_meta, "meta.C", 0);
				char *str, *next, *cur = list;
				if (list) {
					for (;;) {
						cur = sdb_anext (cur, &next);
						addr = sdb_atoi (cur);
						snprintf (key, sizeof (key)-1, "meta.C.0x%"PFMT64x, addr);
						val = sdb_const_get (core->anal->sdb_meta, key, 0);
						if (val) {
							comma = strchr (val, ',');
							if (comma) {
								str = (char *)sdb_decode (comma+1, 0);
								if (strstr (str, input+2)) {
									r_cons_printf ("0x%08"PFMT64x"  %s\n", addr, str);
									count++;
									cb.addr = addr;
									free (cb.str);
									cb.str = str;
								} else free (str);
							}
						} else eprintf ("sdb_const_get key not found '%s'\n", key);
						if (!next)
							break;
						cur = next;
					}
				}

				switch (count) {
				case 0:
					eprintf ("No matching comments\n");
					break;
				case 1:
					off = cb.addr;
					r_io_sundo_push (core->io, core->offset);
					r_core_seek (core, off, 1);
					r_core_block_read (core, 0);
					break;
				default:
					eprintf ("Too many results\n");
					break;
				}
				free (cb.str);
			} else eprintf ("Usage: sC[?*] comment-grep\n"
				"sC*        list all comments\n"
				"sC const   seek to comment matching 'const'\n");
			break;
		case ' ':
			r_io_sundo_push (core->io, core->offset);
			r_core_seek (core, off*sign, 1);
			r_core_block_read (core, 0);
			break;
		case '/':
			{
			const char *pfx = r_config_get (core->config, "search.prefix");
//kwidx cfg var is ignored
			int kwidx = core->search->n_kws; //(int)r_config_get_i (core->config, "search.kwidx")-1;
			if (kwidx<0) kwidx = 0;
			switch (input[1]) {
			case ' ':
			case 'x':
				r_config_set_i (core->config, "search.count", 1);
				r_core_cmdf (core, "s+1; p8 ; .%s;s-1;s %s%d_0;f-%s%d_0",
					input, pfx, kwidx, pfx, kwidx, pfx, kwidx);
				r_config_set_i (core->config, "search.count", 0);
				break;
			default:
				eprintf ("unknown search method\n");
				break;
			}
			}
			break;
		case '.':
			for (input++;*input=='.';input++);
			r_core_seek_base (core, input);
			break;
		case '*':
			r_io_sundo_list (core->io);
			break;
		case '+':
			if (input[1]!='\0') {
				int delta = (input[1]=='+')? core->blocksize: off;
				r_io_sundo_push (core->io, core->offset);
				r_core_seek_delta (core, delta);
			} else {
				off = r_io_sundo_redo (core->io);
				if (off != UT64_MAX)
					r_core_seek (core, off, 0);
			}
			break;
		case '-':
			if (input[1]!='\0') {
				int delta = (input[1]=='-') ? -core->blocksize: -off;
				r_io_sundo_push (core->io, core->offset);
				r_core_seek_delta (core, delta);
			} else {
				off = r_io_sundo (core->io, core->offset);
				if (off != UT64_MAX)
					r_core_seek (core, off, 0);
			}
			break;
		case 'n':
			r_io_sundo_push (core->io, core->offset);
			r_core_seek_next (core, r_config_get (core->config, "scr.nkey"));
			break;
		case 'p':
			r_io_sundo_push (core->io, core->offset);
			r_core_seek_previous (core, r_config_get (core->config, "scr.nkey"));
			break;
		case 'a':
			off = core->blocksize;
			if (input[1]&&input[2]) {
				cmd = strdup (input);
				p = strchr (cmd+2, ' ');
				if (p) {
					off = r_num_math (core->num, p+1);;
					*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;
}
예제 #2
0
파일: core.c 프로젝트: 0x2F/radare2
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;
			}
			free (bptr);
			break;
		case 'c': return r_cons_get_size (NULL);
		case 'r': { int rows; r_cons_get_size (&rows); return rows; }
		case 'e': return r_anal_op_is_eob (&op);
		case 'j': return op.jump;
		case 'p': return r_sys_getpid ();
		case 'P': return (core->dbg->pid>0)? core->dbg->pid: 0;
		case 'f': return op.fail;
		case 'm': return op.ptr; // memref
		case 'v': return op.val; // immediate value
		case 'l': return op.size;
		case 'b': return core->blocksize;
		case 's':
			if (core->file) {
				return r_io_desc_size (core->io, core->file->desc);
			}
			return 0LL;
		case 'w': return r_config_get_i (core->config, "asm.bits") / 8;
		case 'S':
			s = r_io_section_vget (core->io, core->offset);
			return s? (str[2]=='S'? s->size: s->vaddr): 3;
		case '?': return core->num->value;
		case '$': return core->offset;
		case 'o': return r_io_section_vaddr_to_offset (core->io,
				core->offset);
		case 'C': return getref (core, atoi (str+2), 'r',
				R_ANAL_REF_TYPE_CALL);
		case 'J': return getref (core, atoi (str+2), 'r',
				R_ANAL_REF_TYPE_CODE);
		case 'D': return getref (core, atoi (str+2), 'r',
				R_ANAL_REF_TYPE_DATA);
		case 'X': return getref (core, atoi (str+2), 'x',
				R_ANAL_REF_TYPE_CALL);
		case 'I':
			fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
			return fcn? fcn->ninstr: 0;
		case 'F':
			fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
			return fcn? fcn->size: 0;
		}
		break;
	default:
		if (*str>'A') {
			// NOTE: functions override flags
			RAnalFunction *fcn = r_anal_fcn_find_name (core->anal, str);
			if (fcn) {
				if (ok) *ok = R_TRUE;
				return fcn->addr;
			}
#if 0
			ut64 addr = r_anal_fcn_label_get (core->anal, core->offset, str);
			if (addr != 0) {
				ret = addr;
			} else {
				...
			}
#endif
			if ((flag = r_flag_get (core->flags, str))) {
				ret = flag->offset;
				if (ok) *ok = R_TRUE;
			}
		}
		break;
	}
예제 #3
0
static int cmd_seek(void *data, const char *input) {
	RCore *core = (RCore *)data;
	char *cmd, *p;
	ut64 off;

	if (*input == 'r') {
		if (input[1] && input[2]) {
			if (core->io->debug) {
				off = r_debug_reg_get (core->dbg, input + 2);
				r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
				r_core_seek (core, off, 1);
			} else {
				RReg *orig = core->dbg->reg;
				core->dbg->reg = core->anal->reg;
				off = r_debug_reg_get (core->dbg, input + 2);
				core->dbg->reg = orig;
				r_core_seek (core, off, 1);
			}
		} else eprintf ("|Usage| 'sr PC' seek to program counter register\n");
	}
	if (*input) {
		char* ptr;
		if ((ptr = strstr(input, "+.")) != NULL) {
			char* dup = strdup(input);
			dup[ptr - input] = '\x00';
			off = r_num_math (core->num, dup + 1);
			core->offset = off;
			free (dup);
		}
		const char *inputnum = strchr (input, ' ');
		int sign = 1;
		{
			const char *u_num = inputnum? inputnum + 1: input + 1;
			off = r_num_math (core->num, u_num);
			if (*u_num == '-') off = -off;
		}
#if 0
		if (input[0]!='/' && inputnum && isalpha (inputnum[0]) && off == 0) {
			if (!r_flag_get (core->flags, inputnum)) {
				eprintf ("Cannot find address for '%s'\n", inputnum);
				return false;
			}
		}
#endif
		if (input[0]==' ') {
			switch (input[1]) {
			case '-': sign=-1;
			case '+': input++; break;
			}
		}

		switch (*input) {
		case 'C':
			if (input[1]=='*') {
				r_core_cmd0 (core, "C*~^\"CC");
			} else
			if (input[1]==' ') {
				typedef struct {
					ut64 addr;
					char *str;
				} MetaCallback;
				int count = 0;
				MetaCallback cb = { 0, NULL };
				ut64 addr;
				char key[128];
				const char *val, *comma;
				char *list = sdb_get (core->anal->sdb_meta, "meta.C", 0);
				char *str, *next, *cur = list;
				if (list) {
					for (;;) {
						cur = sdb_anext (cur, &next);
						addr = sdb_atoi (cur);
						snprintf (key, sizeof (key)-1, "meta.C.0x%"PFMT64x, addr);
						val = sdb_const_get (core->anal->sdb_meta, key, 0);
						if (val) {
							comma = strchr (val, ',');
							if (comma) {
								str = (char *)sdb_decode (comma+1, 0);
								if (strstr (str, input+2)) {
									r_cons_printf ("0x%08"PFMT64x"  %s\n", addr, str);
									count++;
									cb.addr = addr;
									free (cb.str);
									cb.str = str;
								} else free (str);
							}
						} else eprintf ("sdb_const_get key not found '%s'\n", key);
						if (!next)
							break;
						cur = next;
					}
				}

				switch (count) {
				case 0:
					eprintf ("No matching comments\n");
					break;
				case 1:
					off = cb.addr;
					r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
					r_core_seek (core, off, 1);
					r_core_block_read (core);
					break;
				default:
					eprintf ("Too many results\n");
					break;
				}
				free (cb.str);
			} else {
				const char *help_msg[] = {
					"Usage:", "sC", "Comment grep",
					"sC", "*", "List all comments",
					"sC", " str", "Seek to the first comment matching 'str'",
					NULL };
				r_core_cmd_help (core, help_msg);
			}
			break;
		case ' ':
			r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
			r_core_seek (core, off * sign, 1);
			r_core_block_read (core);
			break;
		case '/':
			{
			const char *pfx = r_config_get (core->config, "search.prefix");
			ut64 from = r_config_get_i (core->config, "search.from");
//kwidx cfg var is ignored
			int kwidx = core->search->n_kws; //(int)r_config_get_i (core->config, "search.kwidx")-1;
			if (kwidx<0) kwidx = 0;
			switch (input[1]) {
			case ' ':
			case 'v':
			case 'V':
			case 'w':
			case 'W':
			case 'z':
			case 'm':
			case 'c':
			case 'A':
			case 'e':
			case 'E':
			case 'i':
			case 'R':
			case 'r':
			case '/':
			case 'x':
				r_config_set_i (core->config, "search.from", core->offset+1);
				r_config_set_i (core->config, "search.count", 1);
				r_core_cmdf (core, "s+1; %s; s-1; s %s%d_0; f-%s%d_0",
					input, pfx, kwidx, pfx, kwidx, pfx, kwidx);
				r_config_set_i (core->config, "search.from", from);
				r_config_set_i (core->config, "search.count", 0);
				break;
			case '?':
				eprintf ("Usage: s/.. arg.\n");
				r_cons_printf ("/?\n");
				break;
			default:
				eprintf ("unknown search method\n");
				break;
			}
			}
			break;
		case '.':
			for (input++;*input=='.';input++);
			r_core_seek_base (core, input);
			break;
		case '*':
		case '=':
		case 'j':
			r_io_sundo_list (core->io, input[0]);
			break;
		case '+':
			if (input[1]!='\0') {
				int delta = (input[1]=='+')? core->blocksize: off;
				r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
				r_core_seek_delta (core, delta);
			} else {
				RIOUndos *undo = r_io_sundo_redo (core->io);
				if (undo != NULL)
					r_core_seek (core, undo->off, 0);
			}
			break;
		case '-':
			if (input[1]!='\0') {
				int delta = (input[1]=='-') ? -core->blocksize: -off;
				r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
				r_core_seek_delta (core, delta);
			} else {
				RIOUndos *undo = r_io_sundo (core->io, core->offset);
				if (undo) {
					r_core_seek (core, undo->off, 0);
					r_core_block_read (core);
				}
			}
			break;
		case 'n':
			r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
			r_core_seek_next (core, r_config_get (core->config, "scr.nkey"));
			break;
		case 'p':
			r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
			r_core_seek_previous (core, r_config_get (core->config, "scr.nkey"));
			break;
		case 'a':
			off = core->blocksize;
			if (input[1]&&input[2]) {
				cmd = strdup (input);
				p = strchr (cmd+2, ' ');
				if (p) {
					off = r_num_math (core->num, p+1);;
					*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_print_get_cursor (core->print));
			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_print_get_cursor (core->print));
			r_core_anal_bb_seek (core, off);
			break;
		case 'f': // "sf"
			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_get_fcn_in (core->anal, core->offset, 0);
			if (fcn) {
				r_core_seek (core, fcn->addr + r_anal_fcn_size (fcn), 1);
			}
			break;
		case 'o': // "so"
			{
			RAnalOp op;
			int val=0, ret, i, n = r_num_math (core->num, input+1);
			if (n==0) n = 1;
			if (n<0) {
				int instr_len;
				ut64 addr = core->offset;
				int numinstr = n * -1;
				if (r_core_prevop_addr (core, core->offset, numinstr, &addr)) {
					ret = core->offset - addr;
				} else {
					ret = r_core_asm_bwdis_len (core, &instr_len, &addr, numinstr);
				}
				r_core_seek (core, addr, true);
				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)
						ret = 1;
					r_core_seek_delta (core, ret);
					val += ret;
				}
			}
			core->num->value = val;
			}
			break;
		case 'g': // "sg"
			{
			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': // "sG"
			{
			if (!core->file) break;
			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, r_io_desc_size (core->io, core->file->desc), 1);
			}
			break;
		case 'l': // "sl"
			{
			int sl_arg = r_num_math (core->num, input+1);
			const char *help_msg[] = {
				"Usage:", "sl+ or sl- or slc", "",
				"sl", " [line]", "Seek to absolute line",
				"sl", "[+-][line]", "Seek to relative line",
				"slc", "", "Clear line cache",
				"sll", "", "Show total number of lines",
				NULL };
			switch (input[1]) {
			case 0:
				if (!core->print->lines_cache) {
					__init_seek_line (core);
				}
				__get_current_line (core);
				break;
			case ' ':
				if (!core->print->lines_cache) {
					__init_seek_line (core);
				}
				__seek_line_absolute (core, sl_arg);
				break;
			case '+':
			case '-':
				if (!core->print->lines_cache) {
					__init_seek_line (core);
				}
				__seek_line_relative (core, sl_arg);
				break;
			case 'c':
				__clean_lines_cache (core);
				break;
			case 'l':
				if (!core->print->lines_cache) {
					__init_seek_line (core);
				}
				eprintf ("%d lines\n", core->print->lines_cache_sz-1);
				break;
			case '?':
				r_core_cmd_help (core, help_msg);
				break;
			}
			}
			break;
		case ':':
			printPadded (core, atoi (input + 1));
			break;
		case '?': {
			const char * help_message[] = {
			"Usage: s", "", " # Seek commands",
			"s", "", "Print current address",
			"s:", "pad", "Print current address with N padded zeros (defaults to 8)",
			"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[j*=]", "", "List undo seek history (JSON, =list, *r2)",
			"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",
			"sl", "[?] [+-]line", "Seek to line",
			"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;
}