extern void *_stack;             /* initial adress of stackpointer */
extern void *_stack_size;
extern void *_end;
extern void *_heap_size;

extern void *_start;
extern void *_fbss;
extern void *_root;

unsigned long bss_start, bss_end, code_start, heap_size ;

code_start = (unsigned long )(&_start);
bss_start = (unsigned long )(&_bss_obj);
bss_end = (unsigned long )(&_bss_objend);
heap_size = (unsigned long )(&_heap_size);

printf("code start = %X", code_start) ;
printf("code size = %X (%d) bytes", bss_start - code_start, bss_start - code_start) ;
printf("bss start = %X", bss_start) ;
printf("bss end = %X", bss_end) ;
printf("bss size = %X (%d) bytes", bss_end-bss_start, bss_end-bss_start) ;


#include <stdio.h>
#include <stdlib.h>

/* ?!

extern void *_stack;
extern void *_stack_size;
extern void *_end;
extern void *_heap_size;
extern void *_heap_size;

extern void *_fbss;
extern void *_root;

*/

/*
 *   only accessable at asm-level:
 *
     text-section:

     start
     etext


     end

 */


/*
 *   on c-level
 */

/* text section */

/* cpp stuff */
extern void *__CTOR_LIST__;
extern void *_CTOR_LIST__;

extern void *__DTOR_LIST__;
extern void *_DTOR_LIST__;

/* data section */
extern void *_data_start__;
extern void *_data_end__;

/* bss section */
extern void *_bss_start__;
extern void *_bss_end__;

/* end */
extern void *end;
extern void *_end__;

int main(int argc, char *argv[]) {

unsigned long all_start=0, all_end=0;
unsigned long text_start=0, text_end=0;
unsigned long data_start=0, data_end=0;
unsigned long bss_start=0, bss_end=0;

#ifdef _text_start__
    text_start = (unsigned long )(&_text_start__);
#endif
#ifdef _text_end__
    text_end = (unsigned long )(&_text_end__);
#endif

data_start = (unsigned long )(&_data_start__);
data_end = (unsigned long )(&_data_end__);
bss_start = (unsigned long )(&_bss_start__);
bss_end = (unsigned long )(&_bss_end__);

#ifdef end
    all_end = (unsigned long)(&end);
#else
 #ifdef _end__
    all_end = (unsigned long)(&_end__);
 #endif
#endif

    printf("start      = %08X\n", all_start) ;

    printf("text start = %08X\n", text_start) ;
    printf("text end   = %08X\n", text_end) ;
    printf("text size  = %08X (%d) bytes\n", text_end-text_start, text_end-text_start) ;
    printf("data start = %08X\n", data_start) ;
    printf("data end   = %08X\n", data_end) ;
    printf("data size  = %08X (%d) bytes\n", data_end-data_start, data_end-data_start) ;
    printf("bss start  = %08X\n", bss_start) ;
    printf("bss end    = %08X\n", bss_end) ;
    printf("bss size   = %08X (%d) bytes\n", bss_end-bss_start, bss_end-bss_start) ;

    printf("end        = %08X\n", all_end) ;

  return 0;

}