Re: [arm-gnu] Fwd: Segmentation fault with arm-2009q3-67 version tool chain

[Norbert Unterberg <nunterberg@xxxxxxxxx>]

Raju,

your application is faulty, you are dereferencing the NULL pointer.
Fix your code, call the FindCompoundSound() function with valid arguments.

Norbert


2010/5/31 raju goruganti <raju.goruganti@xxxxxxxxx>:
>
> Hi all,
>
>
> When I compiled below test  program using arm-2009q3-67 version  arm tool
> chain it is giving segmentation fault on Target.
>
> $arm-none-linux-gnueabi-gcc  -o test test.c
>
> But the same program is compiled using  -O3 flag it is not giving the
> segmentation problem.
>
> Plz can any one help to debug this problem??
>
>
> //test.c
>
> #include<stdio.h>
>
> unsigned long FindCompoundSound(void* pPlayer, void* data, unsigned long
> dataLen, unsigned long* formats, unsigned short numFormats,
>  void** csData, unsigned long* csDataLen)
> {
>     unsigned long foundFormat = 1;
>     unsigned short bestMatch = 0xFFFF;
>
>     unsigned long FI_DeviceSound_CacheMask = 0xFFFF;
>     unsigned char sData;
>     unsigned long sFormat= 0xFF;
>     unsigned long sLength;
>
>     unsigned short i;
>
>
>
>     for (i=0;i<numFormats;i++)
>     {
>        if ((formats[i] & FI_DeviceSound_CacheMask) == sFormat)
>         {
>            if (i < bestMatch)
>             {
>                 bestMatch = i;
>                 foundFormat = formats[i];
>                 if (csDataLen)
>                 {
>                    *csDataLen = sLength;
>                 }
>             }
>         }
>     }
> }
>
> int main(void)
> {
>         FindCompoundSound(NULL,NULL,1,NULL,1,NULL,NULL);
>         return 0;
> }
>
>
>
>
> Regards,
> Raju G
>
>
>