#include #include #include #include "sysdep.h" extern void * __curbrk; extern int __init_brk (void); int brk(void * end_data_seg) { if (__init_brk () == 0) { /* * Notice that we don't need to save/restore the GOT * register since that is not call clobbered by the syscall. */ asm ("move.d %1,$r10\n\t" "movu.w " STR(__NR_brk) ",$r9\n\t" "break 13\n\t" "move.d $r10, %0" : "=r" (__curbrk) : "g" (end_data_seg) : "r9", "r10"); if (__curbrk == end_data_seg) return 0; __set_errno(ENOMEM); } return -1; }