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268 palkovsky 1
/*
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 * Copyright (C) 2005 Ondrej Palkovsky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <symtab.h>
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#include <typedefs.h>
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#include <arch/byteorder.h>
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#include <func.h>
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#include <print.h>
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/** Return entry that seems most likely to correspond to address
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 *
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 * Return entry that seems most likely to correspond
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 * to address passed in the argument.
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 *
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 * @param addr Address.
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 *
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 * @return Pointer to respective symbol string on success, NULL otherwise.
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 */
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char * get_symtab_entry(__native addr)
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{
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    count_t i;
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    for (i=1;symbol_table[i].address_le;++i) {
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        if (addr < __u64_le2host(symbol_table[i].address_le))
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            break;
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    }
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    if (addr >= __u64_le2host(symbol_table[i-1].address_le))
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        return symbol_table[i-1].symbol_name;
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    return NULL;
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}
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/** Return address that corresponds to the entry
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 *
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 * Search symbol table, and if the address ENDS with
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 * the parameter, return value
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 *
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 * @param name Name of the symbol
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 * @return 0 - Not found, -1 - Duplicate symbol, other - address of symbol
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 */
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__address get_symbol_addr(const char *name)
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{
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    count_t i;
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    count_t found = 0;
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    count_t found_pos;
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    count_t nmlen = strlen(name);
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    count_t slen;
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    for (i=0;symbol_table[i].address_le;++i) {
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        slen = strlen(symbol_table[i].symbol_name);
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        if (slen < nmlen)
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            continue;
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        if (strncmp(name, symbol_table[i].symbol_name + (slen-nmlen),
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                nmlen) == 0) {
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            found++;
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            found_pos = i;
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        }
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    }
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    if (found == 0)
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        return NULL;
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    if (found == 1)
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        return __u64_le2host(symbol_table[found_pos].address_le);
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    return ((__address) -1);
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}
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void symtab_print_search(const char *name)
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{
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    int i;
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    count_t nmlen = strlen(name);
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    count_t slen;
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    __address addr;
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    char *realname;
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    for (i=0;symbol_table[i].address_le;++i) {
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        slen = strlen(symbol_table[i].symbol_name);
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        if (slen < nmlen)
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            continue;
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        if (strncmp(name, symbol_table[i].symbol_name + (slen-nmlen),
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                nmlen) == 0) {
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            addr =  __u64_le2host(symbol_table[i].address_le);
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            realname = symbol_table[i].symbol_name;
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            printf("0x%p: %s\n", addr, realname);
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        }
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    }
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}