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  1. /*
  2.  * Copyright (C) 2005 Ondrej Palkovsky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29.  
  30. #include <symtab.h>
  31. #include <typedefs.h>
  32. #include <arch/byteorder.h>
  33. #include <func.h>
  34. #include <print.h>
  35.  
  36. /** Return entry that seems most likely to correspond to address
  37.  *
  38.  * Return entry that seems most likely to correspond
  39.  * to address passed in the argument.
  40.  *
  41.  * @param addr Address.
  42.  *
  43.  * @return Pointer to respective symbol string on success, NULL otherwise.
  44.  */
  45. char * get_symtab_entry(__native addr)
  46. {
  47.     count_t i;
  48.  
  49.     for (i=1;symbol_table[i].address_le;++i) {
  50.         if (addr < __u64_le2host(symbol_table[i].address_le))
  51.             break;
  52.     }
  53.     if (addr >= __u64_le2host(symbol_table[i-1].address_le))
  54.         return symbol_table[i-1].symbol_name;
  55.     return NULL;
  56. }
  57.  
  58. /** Return address that corresponds to the entry
  59.  *
  60.  * Search symbol table, and if the address ENDS with
  61.  * the parameter, return value
  62.  *
  63.  * @param name Name of the symbol
  64.  * @return 0 - Not found, -1 - Duplicate symbol, other - address of symbol
  65.  */
  66. __address get_symbol_addr(const char *name)
  67. {
  68.     count_t i;
  69.     count_t found = 0;
  70.     count_t found_pos;
  71.  
  72.     count_t nmlen = strlen(name);
  73.     count_t slen;
  74.  
  75.     for (i=0;symbol_table[i].address_le;++i) {
  76.         slen = strlen(symbol_table[i].symbol_name);
  77.         if (slen < nmlen)
  78.             continue;
  79.         if (strncmp(name, symbol_table[i].symbol_name + (slen-nmlen),
  80.                 nmlen) == 0) {
  81.             found++;
  82.             found_pos = i;
  83.         }
  84.     }
  85.     if (found == 0)
  86.         return NULL;
  87.     if (found == 1)
  88.         return __u64_le2host(symbol_table[found_pos].address_le);
  89.     return ((__address) -1);
  90. }
  91.  
  92. void symtab_print_search(const char *name)
  93. {
  94.     int i;
  95.     count_t nmlen = strlen(name);
  96.     count_t slen;
  97.     __address addr;
  98.     char *realname;
  99.  
  100.     for (i=0;symbol_table[i].address_le;++i) {
  101.         slen = strlen(symbol_table[i].symbol_name);
  102.         if (slen < nmlen)
  103.             continue;
  104.         if (strncmp(name, symbol_table[i].symbol_name + (slen-nmlen),
  105.                 nmlen) == 0) {
  106.             addr =  __u64_le2host(symbol_table[i].address_le);
  107.             realname = symbol_table[i].symbol_name;
  108.             printf("0x%p: %s\n", addr, realname);
  109.         }
  110.     }
  111. }
  112.