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/* |
/* |
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* Copyright (C) 2003-2005 Anders Gavare. All rights reserved. |
* Copyright (C) 2003-2007 Anders Gavare. All rights reserved. |
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* |
* |
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* Redistribution and use in source and binary forms, with or without |
* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
* modification, are permitted provided that the following conditions are met: |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
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* |
* |
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* |
* |
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* $Id: symbol.c,v 1.26 2005/06/21 16:22:52 debug Exp $ |
* $Id: symbol.c,v 1.38 2007/04/22 14:32:01 debug Exp $ |
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* |
* |
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* Address to symbol translation routines. |
* Address to symbol translation routines. |
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* |
* |
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* This module is (probably) independant from the rest of the emulator. |
* This module is (probably) independent from the rest of the emulator. |
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* symbol_init() must be called before any other function in this |
* symbol_init() must be called before any other function in this file is used. |
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* file is used. |
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*/ |
*/ |
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#include <stdio.h> |
#include <stdio.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <string.h> |
#include <string.h> |
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#include "misc.h" |
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#include "symbol.h" |
#include "symbol.h" |
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/* |
/* |
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* get_symbol_name(): |
* get_symbol_name_and_n_args(): |
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* |
* |
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* Translate an address into a symbol name. The return value is a pointer |
* Translate an address into a symbol name. The return value is a pointer |
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* to a static char array, containing the symbol name. (In other words, |
* to a static char array, containing the symbol name. (In other words, |
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* 0x1008, the symbol's name will be found in the static char array, and |
* 0x1008, the symbol's name will be found in the static char array, and |
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* *offset will be set to 0x8. |
* *offset will be set to 0x8. |
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* |
* |
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* If n_argsp is non-NULL, *n_argsp is set to the symbol's n_args value. |
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* |
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* If no symbol was found, NULL is returned instead. |
* If no symbol was found, NULL is returned instead. |
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*/ |
*/ |
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static char symbol_buf[SYMBOLBUF_MAX+1]; |
static char symbol_buf[SYMBOLBUF_MAX+1]; |
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char *get_symbol_name(struct symbol_context *sc, uint64_t addr, |
char *get_symbol_name_and_n_args(struct symbol_context *sc, uint64_t addr, |
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uint64_t *offset) |
uint64_t *offset, int *n_argsp) |
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{ |
{ |
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struct symbol *s; |
struct symbol *s; |
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int stepsize, ofs; |
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if (sc->n_symbols == 0) |
if (sc->n_symbols == 0) |
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return NULL; |
return NULL; |
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"%s", s->name); |
"%s", s->name); |
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else |
else |
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snprintf(symbol_buf, SYMBOLBUF_MAX, |
snprintf(symbol_buf, SYMBOLBUF_MAX, |
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"%s+0x%lx", s->name, (long) |
"%s+0x%"PRIx64, s->name, (uint64_t) |
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(addr - s->addr)); |
(addr - s->addr)); |
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if (offset != NULL) |
if (offset != NULL) |
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*offset = addr - s->addr; |
*offset = addr - s->addr; |
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if (n_argsp != NULL) |
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*n_argsp = s->n_args; |
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return symbol_buf; |
return symbol_buf; |
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} |
} |
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s = s->next; |
s = s->next; |
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} |
} |
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} else { |
} else { |
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/* Faster, O(log n) search: */ |
/* Faster, O(log n) search: */ |
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stepsize = sc->n_symbols / 2; |
int lowest = 0, highest = sc->n_symbols - 1; |
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ofs = stepsize; |
while (lowest <= highest) { |
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while (stepsize > 0 || (stepsize == 0 && ofs == 0)) { |
int ofs = (lowest + highest) / 2; |
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s = sc->first_symbol + ofs; |
s = sc->first_symbol + ofs; |
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/* Found a match? */ |
/* Found a match? */ |
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"%s", s->name); |
"%s", s->name); |
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else |
else |
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snprintf(symbol_buf, SYMBOLBUF_MAX, |
snprintf(symbol_buf, SYMBOLBUF_MAX, |
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"%s+0x%lx", s->name, (long) |
"%s+0x%"PRIx64, s->name, (uint64_t) |
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(addr - s->addr)); |
(addr - s->addr)); |
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if (offset != NULL) |
if (offset != NULL) |
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*offset = addr - s->addr; |
*offset = addr - s->addr; |
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if (n_argsp != NULL) |
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*n_argsp = s->n_args; |
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return symbol_buf; |
return symbol_buf; |
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} |
} |
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if (ofs == 0) |
if (addr < s->addr) |
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break; |
highest = ofs - 1; |
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else |
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stepsize >>= 1; |
lowest = ofs + 1; |
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/* Special case for offset 0 (end of search in |
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the Left direction */ |
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if (stepsize == 0) |
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ofs = 0; |
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else { |
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if (addr < s->addr) |
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ofs -= stepsize; |
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else |
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ofs += stepsize; |
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} |
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} |
} |
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} |
} |
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/* |
/* |
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* get_symbol_name(): |
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* |
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* See get_symbol_name_and_n_args(). |
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*/ |
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char *get_symbol_name(struct symbol_context *sc, uint64_t addr, uint64_t *offs) |
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{ |
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return get_symbol_name_and_n_args(sc, addr, offs, NULL); |
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} |
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/* |
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* add_symbol_name(): |
* add_symbol_name(): |
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* |
* |
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* Add a symbol to the symbol list. |
* Add a symbol to the symbol list. |
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*/ |
*/ |
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void add_symbol_name(struct symbol_context *sc, |
void add_symbol_name(struct symbol_context *sc, |
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uint64_t addr, uint64_t len, char *name, int type) |
uint64_t addr, uint64_t len, char *name, int type, int n_args) |
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{ |
{ |
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struct symbol *s; |
struct symbol *s; |
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exit(1); |
exit(1); |
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} |
} |
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if (addr == 0 && strcmp(name, "_DYNAMIC_LINK") == 0) |
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return; |
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if (name[0] == '\0') |
if (name[0] == '\0') |
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return; |
return; |
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/* TODO: Maybe this should be optional? */ |
/* TODO: Maybe this should be optional? */ |
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if (name[0] == '$') |
if (name[0] == '.' || name[0] == '$') |
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return; |
return; |
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/* Quick test-hack: */ |
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if (n_args < 0) { |
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if (strcmp(name, "strlen") == 0) |
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n_args = 1; |
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if (strcmp(name, "strcmp") == 0) |
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n_args = 2; |
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if (strcmp(name, "strcpy") == 0) |
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n_args = 2; |
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if (strcmp(name, "strncpy") == 0) |
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n_args = 3; |
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if (strcmp(name, "strlcpy") == 0) |
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n_args = 3; |
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if (strcmp(name, "strlcat") == 0) |
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n_args = 3; |
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if (strcmp(name, "strncmp") == 0) |
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n_args = 3; |
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if (strcmp(name, "memset") == 0) |
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n_args = 3; |
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if (strcmp(name, "memcpy") == 0) |
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n_args = 3; |
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if (strcmp(name, "bzero") == 0) |
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n_args = 2; |
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if (strcmp(name, "bcopy") == 0) |
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n_args = 3; |
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} |
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if ((addr >> 32) == 0 && (addr & 0x80000000ULL)) |
if ((addr >> 32) == 0 && (addr & 0x80000000ULL)) |
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addr |= 0xffffffff00000000ULL; |
addr |= 0xffffffff00000000ULL; |
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exit(1); |
exit(1); |
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} |
} |
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s->name = strdup(name); |
memset(s, 0, sizeof(struct symbol)); |
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s->name = symbol_demangle_cplusplus(name); |
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if (s->name == NULL) { |
if (s->name == NULL) { |
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fprintf(stderr, "out of memory\n"); |
s->name = strdup(name); |
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exit(1); |
if (s->name == NULL) { |
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fprintf(stderr, "out of memory\n"); |
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exit(1); |
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} |
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} |
} |
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s->addr = addr; |
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s->len = len; |
s->addr = addr; |
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s->type = type; |
s->len = len; |
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s->type = type; |
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s->n_args = n_args; |
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sc->n_symbols ++; |
sc->n_symbols ++; |
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if (type == 't' || type == 'r' || type == 'g') |
if (type == 't' || type == 'r' || type == 'g') |
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continue; |
continue; |
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add_symbol_name(sc, addr, len, b4, type); |
add_symbol_name(sc, addr, len, b4, type, -1); |
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} |
} |
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fclose(f); |
fclose(f); |
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- tmp_array[i].addr; |
- tmp_array[i].addr; |
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else |
else |
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len = 1; |
len = 1; |
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tmp_array[i].len = len; |
tmp_array[i].len = len; |
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} |
} |
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