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/* consider this code LGPL - davidm */
 
#include <unistd.h>
#include <sys/syscall.h>
#include <errno.h>
 
/* This must be initialized data because commons can't have aliases.  */
void * ___brk_addr = 0;
 
int brk (void *addr)
{
    void *newbrk;
 
	__asm__ volatile ("movel %2,%/d1\n\t"
			  "moveq %1,%/d0\n\t"
			  "trap  #0\n\t"
			  "movel %/d0,%0"
		:"=g" (newbrk)
		:"i" (__NR_brk),"g" (addr) : "%d0", "%d1");
 
    ___brk_addr = newbrk;
 
    if (newbrk < addr)
    {
	__set_errno (ENOMEM);
	return -1;
    }
 
    return 0;
}