/*      $NetBSD: sbrk.S,v 1.5 2014/08/23 02:24:22 matt Exp $    */

#include "SYS.h"

        .hidden _C_LABEL(__curbrk)
        .globl  _C_LABEL(__curbrk)

#ifdef WEAK_ALIAS
WEAK_ALIAS(sbrk, _sbrk)
#endif

ENTRY(_sbrk)
        addis   %r8,%r2,_C_LABEL(__curbrk)@toc@ha
        ldptru  %r6,_C_LABEL(__curbrk)@toc@l(%r8)
        add     %r3,%r3,%r6
        mr      %r7,%r3                         # r7 = new break
        _DOSYSCALL(break)                       # break(new_break)
        bso     1f
        mr      %r3,%r6                         # set return value
        stptr   %r7,0(%r8)                      # record new break
        blr
1:
        BRANCH_TO_CERROR()
END(_sbrk)