source: svn/newcon3bcm2_21bu/nexus/app/dta/symbols.c

/***************************************************************************
 *     Copyright (c) 2006, Broadcom Corporation
 *     All Rights Reserved
 *     Confidential Property of Broadcom Corporation
 *
 *  THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE
 *  AGREEMENT  BETWEEN THE USER AND BROADCOM.  YOU HAVE NO RIGHT TO USE OR
 *  EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
 *
 * $brcm_Workfile:  $
 * $brcm_Revision:  $
 * $brcm_Date: $
 *
 * Module Description:
 *
 * Revision History:
 *
 * $brcm_Log:  $
 *
 ***************************************************************************/
#define BDISPATCH_BYPASS
#include "symbols.h"
#undef BDISPATCH_BYPASS
#include "projinc.h"
#if CONFIG_SYMTABLE
#include "bsymtable.h"

/* this function does lookup in ram and rom symbol table and returns closest match */
const char *
bsymtable_lookup(uint32_t addr, unsigned *offset)
{
        static const char sym_unknown[] = "";
        const char *rom_name = sym_unknown;
        unsigned rom_offset = (unsigned)-1;
        const char *ram_name = sym_unknown;
        unsigned ram_offset = (unsigned)-1;

        if (g_symtable_rom) {
                rom_name = bsymbol_lookup(g_symtable_rom, addr, &rom_offset);
        }
        if (g_symtable_ram) {
                ram_name = bsymbol_lookup(g_symtable_ram, addr, &ram_offset);
        }
        if (rom_offset < ram_offset) {
                *offset = rom_offset;
                return rom_name;
        } else {
                *offset = ram_offset;
                return ram_name;
        }
}

const char *
bsymtable_get_name(uint32_t addr, char *buf, size_t buf_len)
{
        unsigned offset;
        const char *name;

        name = bsymtable_lookup(addr, &offset);
        if (offset==0) {
                return name;
        }
        if (offset < 4096) { /* maximum function size */
                snprintf(buf, buf_len, "%s+0x%x", name, offset);
        } else {
                snprintf(buf, buf_len, "0x%08x", addr);
        }
        return buf;
}

void 
bsymtable_init(void)
{
        const bsymbol_table *map = bsymbol_fixup();
        if (g_symtable_rom==NULL) {
                g_symtable_rom = map;
        } else {
                g_symtable_ram = map;
        }
}
#else /*  DCONFIG_SYMTABLE */
void 
bsymtable_init(void)
{
        return;
}

const char *
bsymtable_lookup(uint32_t addr, unsigned *offset)
{
        *offset = (unsigned)-1;
        return "";
}

const char *
bsymtable_get_name(uint32_t addr, char *buf, size_t buf_len)
{
        snprintf(buf, buf_len, "0x%08x", addr);
        return buf;
}
#endif