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/* $NetBSD: sbrk.S,v 1.1 2014/09/03 19:34:26 matt Exp $ */
#include "SYS.h"
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: sbrk.S,v 1.1 2014/09/03 19:34:26 matt Exp $")
#endif /* LIBC_SCCS && !lint */
.hidden _C_LABEL(__curbrk)
.globl _C_LABEL(__curbrk)
#ifdef WEAK_ALIAS
WEAK_ALIAS(sbrk, _sbrk)
#endif
ENTRY(_sbrk)
#ifdef __PIC__
l.or r8,r9,r0
PIC_GOTSETUP(r6)
l.or r9,r8,r0
l.movhi r5,gotoffhi(_C_LABEL(__curbrk))
l.ori r5,r5,gotofflo(_C_LABEL(__curbrk))
l.add r5,r5,r6
#else
l.movhi r5,hi(_C_LABEL(__curbrk))
l.ori r5,r5,lo(_C_LABEL(__curbrk)) # r5 = old break;
#endif
l.lwz r6,0(r5) # r6 = old break, r5 = &curbrk
l.add r3,r3,r6
_DOSYSCALL(break) # break(new_break)
l.bf _C_LABEL(__cerror)
l.nop
l.sw 0(r5),r3 # record new break
l.or r11,r6,r0 # set return value
l.jr lr
l.nop
END(_sbrk)
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