source: svn/newcon3bcm2_21bu/dst/dhl/src/DHL_DBG_Symbols.c @ 45

/**
        @file
                DHL_SYS_Platform.c

        @brief
                

        ÀÌ ¸ðµâ¿¡ ´ëÇÑ °£´ÜÇÑ ¼³¸í.. 
        ex: AudioVideo decoding/capture/output implementation

        Copyright 2006~2010 Digital STREAM Technology, Inc.
        All Rights Reserved
*/


#include "DHL_OSAL.h"
#include "DHL_DBG.h"

#include "DHL_DBG_Priv.h"


/*
        ¸ðµç Çì´õ ÆÄÀÏÀ» Æ÷ÇÔÇÏÁö´Â ¾ÊÀ¸¸ç, compile timeÀ» ÁÙÀ̱â À§ÇØ
        °¢ ¸ðµâÀº ÇÊ¿äÇÑ ¸¸Å­ÀÇ Çì´õ¸¦ ¼±¾ðÇϵµ·Ï ÇÔ.
*/



/*
        DHL µð¹ö±× ¸ðµâ À̸§ Á¤ÀÇ ·ê Âü°í:

        DHL ¸ðµâµéÀº ¸ðµÎ * ·Î ½ÃÀÛ.
        API´Â ´ë¹®ÀÚ, Platform ¹× ±âŸ´Â ¼Ò¹®ÀÚ »ç¿ë.

        µðÆúÆ® ·¹º§Àº 0À¸·Î ¼³Á¤ÇÑ´Ù. (0: ¿¡·¯ ¸Þ½ÃÁö¸¸ Ãâ·Â)
        
        
*/

//DHL_MODULE("*MMM", 0);



#if COMMENT
____Config____(){}
#endif

#define SUPPORT_DBG_SYMBOL 1


/*
        ÀÌ ¸ðµâ ³»ºÎ¿¡¼­ »ç¿ëµÇ´Â °¢Á¾ configuration Á¤ÀÇ.
*/


/* #define SUPPORT_FAST_SWITCHING_OPTIMIZATION 1 */
/* #define FUNC_MONITOR_TIMER_ID TIMER_ID_FUNC_MONITOR */



#if COMMENT
____Types____(){}
#endif

/*
        ÀÌ ¸ðµâ ³»ºÎ¿¡¼­ »ç¿ëµÇ´Â structure ¹× enumerations.
*/



#if COMMENT
____Variables____(){}
#endif

/*
        global·Î Àû¿ëµÇ´Â variable Á¤ÀÇ.
        °¢ function º°·Î Ư¼öÇÑ ¿ëµµÀÇ variableÀº °¢ functionX block ¿¡¼­ Á¤ÀÇ °¡´É.
*/




#if COMMENT
_____DHL_Symbol______(){}
#endif

#if SUPPORT_DBG_SYMBOL

// cafrii 060630 add
//  memory check exceptionÀ» ÀÚµ¿À¸·Î µî·ÏÇϱâ À§ÇÑ º¯¼ö
int g_dhl_memtrace_skip_line1;
//int g_dhl_memtrace_skip_line2;
//int g_dhl_memtrace_skip_line3;
//int g_dhl_memtrace_skip_line4;

static DHL_SymbolTable *p_SymbolTable;

static int p_nNumberOfSymbols;
static int p_nSizeOfSymbolTable;

static DHL_OS_SEMA_ID p_dhl_MutexSymTbl;


static void p_dbg_LockSymTbl(BOOL bLock)
{
        if (p_dhl_MutexSymTbl == 0) {
                p_dhl_MutexSymTbl = DHL_OS_CreateMutexSemaphore("DhlSymTbl");
                if (p_dhl_MutexSymTbl == 0)
                        return;
        }
        
        if (bLock)
                DHL_OS_TakeSemaphore(p_dhl_MutexSymTbl, DHL_TIMEOUT_FOREVER);
        else
                DHL_OS_GiveSemaphore(p_dhl_MutexSymTbl);
}


// todo..
//
// symbol tableÀ» À§ÇÑ ¸Þ¸ð¸®´Â º°µµ·Î ÇÒ´ç/°ü¸® µÇ´Âµ¥,
// user(app/mw)¿¡¼­ º°µµ·Î symbol table µî·ÏÀ» À§ÇØ ÁغñÇÏ´Â tableÀÌ ÀÖÀ¸¹Ç·Î
// ½ÇÁ¦·Î ÇÊ¿äÇÑ ¸Þ¸ð¸®ÀÇ µÎ¹è°¡ ¼Ò¸ðµÇ´Â ¹®Á¦°¡ ÀÖ´Ù.
// 
// ´ë½Å ÀÌ·¸°Ô ¸Þ¸ð¸®°¡ ¼Ò¸ðµÇÁö¸¸ sortingÀ» ÇÒ ¼ö Àֱ⠶§¹®¿¡ Á» È¿À²ÀûÀÌ´Ù.
//
// user¿¡¼­ °Ç³×ÁØ tableÀ» ±×³É »ç¿ëÇÏ´Â ¹æ¹ýµµ °í·ÁÇغ¸ÀÚ.
//  - Çϳª¾¿ symbol µî·ÏÀ» ÇÏ´Â °æ¿ì´Â ³»ºÎ °ü¸® tableÀ» »ç¿ë,
//  - º¹¼ö°³ÀÇ symbolÀ» µî·ÏÀ» ÇÏ´Â °æ¿ì´Â ±×³É Àü´ÞµÈ tableÀ» »ç¿ëÇÏ´Â ¹æ¹ý °í·Á.
// 

//
// symbol µî·ÏÇÏ´Â ÇÔ¼öµé..
//
void dhl_dbg_register_one_symbol(char *name, void *ptr, int type)
{
        char *pNameDup = NULL;
        int i, idx;
        
        if (name == NULL || name[0] == 0) {
                DHL_OS_Printf("!! register func symbol: invalid argument\n");
                return;
        }

        if (type != DHL_SYM_FN && type != DHL_SYM_V4 &&
                type != DHL_SYM_V2 && type != DHL_SYM_V1) {
                DHL_OS_Printf("!! invalid symbol type %d\n", type);
                return;
        }

        if (type == DHL_SYM_FN && ((UINT32)ptr & 0x3)) {  // it is not 4-byte aligned.
                DHL_OS_Printf("!! FN symbol '%s' address 0x%x should be 4-byte aligned.\n", name, (UINT32)ptr);
                return;
        }
        else if (type == DHL_SYM_V4 && ((UINT32)ptr & 0x3)) {
                DHL_OS_Printf("!! V4 symbol '%s' address 0x%x should be 4-byte aligned.\n", name, (UINT32)ptr);
                return;
        }
        else if (type == DHL_SYM_V2 && ((UINT32)ptr & 0x1)) {
                DHL_OS_Printf("!! V2 symbol '%s' address 0x%x should be 2-byte aligned.\n", name, (UINT32)ptr);
                return;
        }

        p_dbg_LockSymTbl(TRUE);

        //tbl = p_SymbolTable;
        
        // µ¿ÀÏÇÑ nameÀÌ ÀÖÀ¸¸é overwrite..
        
        for (i=0; i<p_nNumberOfSymbols; i++) {
                if (p_SymbolTable[i].name == NULL)
                        continue;
                if (strcmp(name, p_SymbolTable[i].name) == 0) {
                        //DHL_OS_Printf("symbol '%s' replaced 0x%08x->0x%08x\n",
                        //      name, p_SymbolTable[i].ptr, ptr);
                        p_SymbolTable[i].ptr = ptr;
                        goto label_done;
                }
        }
        
        // symbol nameÀ» duplicate..   
        pNameDup = DHL_OS_Malloc(strlen(name)+1);
        g_dhl_memtrace_skip_line1 |= (__LINE__ - 1); // ²À ¹Ù·Î ¾Æ·¡ ¶óÀο¡ »ç¿ëÇÒ °Í.. 

        if (pNameDup == NULL) {
                DHL_OS_Printf("!! out of memory for new symbol name\n");
                goto label_done;
        }
        strcpy(pNameDup, name);
        
        if (p_nNumberOfSymbols == p_nSizeOfSymbolTable)
        {
                // symbol table buffer is full. increase symbol table buffer memory
                //
                int nNewSize = p_nSizeOfSymbolTable == 0 ? 16 : p_nSizeOfSymbolTable*2;
                
                DHL_SymbolTable *pNewTbl = DHL_OS_Malloc(nNewSize*sizeof(DHL_SymbolTable));
                
                if (pNewTbl == NULL) {
                        DHL_OS_Printf("!! out of memory for new symbol table\n");
                        //DHL_OS_Free(&pNameDup);
                        goto label_done;
                }
                
                if (p_nSizeOfSymbolTable) {
                        // duplicate
                        memcpy(pNewTbl, p_SymbolTable, sizeof(DHL_SymbolTable)*p_nSizeOfSymbolTable);
                        
                        // free original small table..
                        DHL_OS_Free((void **)&p_SymbolTable);
                }
                                
                p_SymbolTable = pNewTbl;
                p_nSizeOfSymbolTable = nNewSize;
        }
        
        
        // sortingÀ» ÇÒ ÇÊ¿ä°¡ ÀÖ´Ù¸é ÀÌ ½ÃÁ¡¿¡¼­ ¼öÇàÇÑ´Ù.
        
        for (i=0; i<p_nNumberOfSymbols; i++) {
                if (p_SymbolTable[i].name == NULL)
                        continue;
                if (strcmp(name, p_SymbolTable[i].name) > 0) {
                        break;
                }
        }
        idx = i;
        
        // idx ¹ø°ºÎÅÍ ¸¶Áö¸·±îÁö ÇÑÄ­¾¿ shift 
        
        for (i=p_nNumberOfSymbols-1; i>=idx; i--)
                p_SymbolTable[i+1] = p_SymbolTable[i];
        memset(&p_SymbolTable[idx], 0, sizeof(DHL_SymbolTable));
        
        // idx ¹ø°ÀÇ entry¿¡ »õ·Î¿î symbol Á¤º¸¸¦ µî·ÏÇÑ´Ù.
        //DHL_OS_Printf("register symbol '%s' to %d th entry..\n", name, idx);

        p_SymbolTable[idx].name = pNameDup;
        p_SymbolTable[idx].ptr  = ptr;
        p_SymbolTable[idx].type = type;
        pNameDup = NULL;
        
        p_nNumberOfSymbols++;
        
label_done:

        if (pNameDup)
                DHL_OS_Free((void **)&pNameDup);
                
        p_dbg_LockSymTbl(FALSE);

}


#endif /* SUPPORT_DBG_SYMBOL */

#if COMMENT
_____API______(){}
#endif

//
// ÁöÁ¤ÇÑ ¹®ÀÚ¿­À» substringÀ¸·Î °®´Â symbol tableÀ» ¸ðµÎ Ãâ·ÂÇÑ´Ù.
// 
void DHL_DBG_PrintSymbolTable(int showmask, char *substr)
{
#if SUPPORT_DBG_SYMBOL
        int i;
        DHL_SymbolTable *tbl;
        
        if (substr == NULL) substr = "";
        
        if (showmask == 0)  // show all..
                showmask = DHL_SYM_FN | DHL_SYM_V1 | DHL_SYM_V2 | DHL_SYM_V4;
                
        p_dbg_LockSymTbl(TRUE);
        
        DHL_OS_Printf("Total %d Symbols registerred, tbl size %d\n",
                p_nNumberOfSymbols, p_nSizeOfSymbolTable);
        
        for (i=0; i<p_nNumberOfSymbols; i++) {
                tbl = &p_SymbolTable[i];
                if ((showmask & tbl->type) == 0)
                        continue;
                
                if (substr[0] && strstr(tbl->name, substr)==NULL)
                        continue;

                if (tbl->type == DHL_SYM_V1 ||
                        tbl->type == DHL_SYM_V2 ||
                        tbl->type == DHL_SYM_V4) 
                {
                        UINT32 value = tbl->type==DHL_SYM_V1 ? *(INT8*)tbl->ptr : 
                                        tbl->type==DHL_SYM_V2 ? *(INT16*)tbl->ptr : *(INT32*)tbl->ptr;
                        DHL_OS_Printf(" (%03d)  0x%08x  %s  %s = %d (0x%x)\n", 
                                i, (UINT32)tbl->ptr, 
                                tbl->type == DHL_SYM_V1 ? "V1" :
                                tbl->type == DHL_SYM_V2 ? "V2" : 
                                tbl->type == DHL_SYM_V4 ? "V4" : "??",
                                tbl->name ? tbl->name : "(NULL)",
                                value, value);
                }
                else 
                        DHL_OS_Printf(" (%03d)  0x%08x  %s  %s \n", 
                                i, (UINT32)tbl->ptr, 
                                tbl->type == DHL_SYM_FN ? "FN" : "??",
                                tbl->name ? tbl->name : "(NULL)");
        }
        p_dbg_LockSymTbl(FALSE);
#endif
}



void DHL_DBG_RegisterFunctionSymbol(char *name, void *ptr)
{
#if SUPPORT_DBG_SYMBOL
        dhl_dbg_register_one_symbol(name, ptr, DHL_SYM_FN);     
#endif
}
void DHL_DBG_RegisterVarSymbol(char *name, void *ptr, int size)
{
#if SUPPORT_DBG_SYMBOL
        dhl_dbg_register_one_symbol(name, ptr, 
                size==1 ? DHL_SYM_V1 : size==2 ? DHL_SYM_V2 : DHL_SYM_V4);      
#endif
}

void DHL_DBG_RegisterSymbols(DHL_SymbolTable *tbls, int n)
{
#if SUPPORT_DBG_SYMBOL
        int i;
        
        if (tbls == NULL)
                return;

        /* cafrii 090721, null symbol name also means end of list. */
        for (i=0; i<n && tbls[i].name; i++)
                dhl_dbg_register_one_symbol(tbls[i].name, tbls[i].ptr, tbls[i].type);   
#endif
}


//
// À̸§À¸·Î symbol Á¤º¸¸¦ ã´Â ÇÔ¼ö. symbol pointer¿Í typeÀÌ ¸®ÅϵȴÙ.
// ¹ß°ßµÇÁö ¾ÊÀ¸¸é ¿¡·¯ ¸®ÅÏ.
//
DHL_RESULT DHL_DBG_QuerySymbol(char *name, void **pptr, int *ptype)
{
#if SUPPORT_DBG_SYMBOL
        DHL_RESULT err = DHL_FAIL_NOT_FOUND;
        int i;
        
        // todo..
        // °¹¼ö°¡ ¸¹À¸¸é binary search Àû¿ë..
        p_dbg_LockSymTbl(TRUE);
        
        for (i=0; i<p_nNumberOfSymbols; i++) {
                if (p_SymbolTable[i].name == NULL) 
                        continue;
                if (strcmp(p_SymbolTable[i].name, name) == 0) {
                        if (pptr)
                                *pptr = p_SymbolTable[i].ptr;
                        if (ptype)
                                *ptype = p_SymbolTable[i].type;
                        err = DHL_OK;
                        break;
                }
        }
        p_dbg_LockSymTbl(FALSE);
        
        return err;
#endif
}



#if COMMENT
_____BUILD_Symbol______(){}
#endif


/**
        @todo
                symtab Á¤·Ä..
*/
void dhl_dbg_init_symtab(void)
{
}

/**

*/
void dhl_dbg_print_symtab(char *substr)
{
}


UINT32 dhl_dbg_find_sym_by_name(char *name)
{
        return 0;
}

BOOL dhl_dbg_is_text_symbol(UINT32 addr)
{
                return FALSE;
}

BOOL dhl_dbg_is_data_symbol(UINT32 addr)
{
                return FALSE;
}


/* end of file */