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Redo rev.1.13. We must refer to CURBRK via GOT in case of PIC.

This commit is contained in:
nakayama 2008-11-06 13:42:55 +00:00
parent 3286a94bad
commit 531d468612
1 changed files with 5 additions and 4 deletions
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9
lib/libc/arch/sparc/sys/brk.S
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@ -1,4 +1,4 @@
/* $NetBSD: brk.S,v 1.14 2008/03/10 18:31:08 he Exp $ */
/* $NetBSD: brk.S,v 1.15 2008/11/06 13:42:55 nakayama Exp $ */
/*
* Copyright (c) 1992, 1993
@ -40,7 +40,7 @@
#if 0
.asciz "@(#)brk.s 8.1 (Berkeley) 6/4/93"
#else
RCSID("$NetBSD: brk.S,v 1.14 2008/03/10 18:31:08 he Exp $")
RCSID("$NetBSD: brk.S,v 1.15 2008/11/06 13:42:55 nakayama Exp $")
#endif
#endif /* SYSLIBC_SCCS and not lint */
@ -72,12 +72,13 @@ ENTRY(_brk)
mov %o0, %o2 ! save argument to syscall
mov SYS_break, %g1
t ST_SYSCALL
set CURBRK, %o3
bcc,a 1f
sethi %hi(CURBRK), %g1
ld [%o5 + %o3], %o4
ERROR()
1:
retl ! success, return 0 & record new break
st %o2, [%g1 + %lo(CURBRK)]
st %o2, [%o4]
#else
sethi %hi(_C_LABEL(__minbrk)), %o1 ! %o1 = minbrk
ld [%o1 + %lo(_C_LABEL(__minbrk))], %o1