S32Kのトピックalloc.c undefined reference to `_end'

alloc.c undefined reference to `_end'

tangbing — Thu, 06 Apr 2017 06:37:12 GMT

hello!

I want to use the malloc functionin S32k144 broad，when I #include "stdlib.h"， There is an error

“Description Resource Path Location Type S32DS/arm_ewl/EWL_C/src/stdlib/alloc.c undefined reference to `_end' T-BOX-S32k line 294 C/C++ Problem”

How do I use right he malloc functionin？

Re: alloc.c undefined reference to `_end'

martin_kovar — Thu, 06 Apr 2017 11:16:36 GMT

Hello,

which version of S32 Design Studio you use?

I tested malloc function in S32 Design Studio v1.3 and it works correct. Also in version 1.2 I am able to compile following code while I am using EWL library.

int *p;

p = (int *)malloc(10*sizeof(int));

Regards,

Martin

Re: alloc.c undefined reference to `_end'

tangbing — Fri, 07 Apr 2017 01:06:12 GMT

Hello,

I built a new project in S32 Design Studio v1.2, the use of malloc functionin, to quote the following wrong me. I am using EWL library

Re: alloc.c undefined reference to `_end'

martin_kovar — Fri, 07 Apr 2017 09:08:50 GMT

Hello,

I found en error in linker file, which is provided to project with SDK.

Please see the figure below and add the marked symbol to your linker file

Regards,

Martin