/* 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 * __curbrk = 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"); __curbrk = newbrk; if (newbrk < addr) { __set_errno (ENOMEM); return -1; } return 0; }