Make brk() and sbrk() weak again as intended.

Apparently spotted by mortimer@ while working on clang 13 and amd64.
No actual change on sparc64 as this architecture still uses ld.bfd.
ok kettenis@

11 files changed, 21 insertions, 27 deletions

diff --git a/lib/libc/arch/arm/sys/brk.S b/lib/libc/arch/arm/sys/brk.S
index c2f2650d9e2..a33c2995142 100644
--- a/lib/libc/arch/arm/sys/brk.S
+++ b/lib/libc/arch/arm/sys/brk.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: brk.S,v 1.10 2017/11/21 19:08:36 kettenis Exp $	*/
+/*	$OpenBSD: brk.S,v 1.11 2021/10/25 14:38:10 jca Exp $	*/
 /*	$NetBSD: brk.S,v 1.7 2003/12/26 11:23:44 martin Exp $	*/
 
 /*-
@@ -44,8 +44,6 @@ __minbrk:
 	.word	_C_LABEL(_end)
 	END(__minbrk)
 
-	.weak	brk
-
 /*
  * Change the data segment size
  */
@@ -96,3 +94,4 @@ ENTRY(brk)
 .Lcurbrk:
 	.word	PIC_SYM(__curbrk, GOT)
 END(brk)
+	.weak	brk
diff --git a/lib/libc/arch/arm/sys/sbrk.S b/lib/libc/arch/arm/sys/sbrk.S
index eba1f4c44c4..107091bf621 100644
--- a/lib/libc/arch/arm/sys/sbrk.S
+++ b/lib/libc/arch/arm/sys/sbrk.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sbrk.S,v 1.10 2017/11/21 19:08:36 kettenis Exp $	*/
+/*	$OpenBSD: sbrk.S,v 1.11 2021/10/25 14:38:10 jca Exp $	*/
 /*	$NetBSD: sbrk.S,v 1.7 2003/08/07 16:42:05 agc Exp $	*/
 
 /*-
@@ -45,7 +45,6 @@ __curbrk:
 	.word	_C_LABEL(_end)
 	END(__curbrk)
 
-	.weak	sbrk
 /*
  * Change the data segment size
  */
@@ -85,3 +84,4 @@ ENTRY(sbrk)
 .Lcurbrk:
 	.word	PIC_SYM(__curbrk, GOT)
 END(sbrk)
+	.weak	sbrk
diff --git a/lib/libc/arch/i386/sys/brk.S b/lib/libc/arch/i386/sys/brk.S
index 82cb591b661..6d4fac33828 100644
--- a/lib/libc/arch/i386/sys/brk.S
+++ b/lib/libc/arch/i386/sys/brk.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: brk.S,v 1.13 2017/08/19 18:24:06 deraadt Exp $ */
+/*	$OpenBSD: brk.S,v 1.14 2021/10/25 14:38:10 jca Exp $ */
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
  * All rights reserved.
@@ -42,7 +42,6 @@ __minbrk:
 	END(__minbrk)
 	.type	__minbrk,@object
 
-	.weak	brk
 ENTRY(brk)
 #ifdef __PIC__
 	movl	4(%esp),%ecx
@@ -82,3 +81,4 @@ ENTRY(brk)
 	SET_ERRNO()
 	ret
 END(brk)
+	.weak	brk
diff --git a/lib/libc/arch/i386/sys/sbrk.S b/lib/libc/arch/i386/sys/sbrk.S
index a89dd1f3682..e54e5e202dc 100644
--- a/lib/libc/arch/i386/sys/sbrk.S
+++ b/lib/libc/arch/i386/sys/sbrk.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sbrk.S,v 1.13 2017/08/19 18:24:06 deraadt Exp $ */
+/*	$OpenBSD: sbrk.S,v 1.14 2021/10/25 14:38:10 jca Exp $ */
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
  * All rights reserved.
@@ -42,7 +42,6 @@ __curbrk:	.long	_end
 	END(__curbrk)
 	.type	__curbrk,@object
 
-	.weak	sbrk
 ENTRY(sbrk)
 #ifdef __PIC__
 	movl	4(%esp),%ecx
@@ -76,3 +75,4 @@ ENTRY(sbrk)
 	SET_ERRNO()
 	ret
 END(sbrk)
+	.weak	sbrk
diff --git a/lib/libc/arch/powerpc/sys/brk.S b/lib/libc/arch/powerpc/sys/brk.S
index d8247bd7d94..51b1a14de7b 100644
--- a/lib/libc/arch/powerpc/sys/brk.S
+++ b/lib/libc/arch/powerpc/sys/brk.S
@@ -1,4 +1,4 @@
-/* $OpenBSD: brk.S,v 1.15 2020/10/26 22:07:05 gkoehler Exp $ */
+/* $OpenBSD: brk.S,v 1.16 2021/10/25 14:38:10 jca Exp $ */
 
 /*
  * Copyright (c) 1996 Dale Rahn
@@ -30,8 +30,6 @@
 	.extern __curbrk
 	.extern _C_LABEL(_end)
 
-	.weak	brk
-
 ENTRY(brk)
 	
 	/* check >= _end, if not make the call for _end */
@@ -77,3 +75,4 @@ ENTRY(brk)
 	mr	3, 0		/* # return 0 */
 	blr
 END(brk)
+	.weak	brk
diff --git a/lib/libc/arch/powerpc/sys/sbrk.S b/lib/libc/arch/powerpc/sys/sbrk.S
index c676a65c5f5..5976629a522 100644
--- a/lib/libc/arch/powerpc/sys/sbrk.S
+++ b/lib/libc/arch/powerpc/sys/sbrk.S
@@ -1,4 +1,4 @@
-/* $OpenBSD: sbrk.S,v 1.14 2020/10/26 22:07:05 gkoehler Exp $ */
+/* $OpenBSD: sbrk.S,v 1.15 2021/10/25 14:38:10 jca Exp $ */
 
 /*
  * Copyright (c) 1996 Dale Rahn
@@ -36,8 +36,6 @@ __curbrk:
 	END(__curbrk)
 	.type	__curbrk,@object
 
-	.weak	sbrk
-
 	.text
 ENTRY(sbrk)
 	
@@ -74,3 +72,4 @@ ENTRY(sbrk)
 	mr	3, 5		/* # remember, 5=old_curbrk */
 	blr
 END(sbrk)
+	.weak	sbrk
diff --git a/lib/libc/arch/riscv64/sys/brk.S b/lib/libc/arch/riscv64/sys/brk.S
index 74a1c2a68bf..d84e1b5bcd6 100644
--- a/lib/libc/arch/riscv64/sys/brk.S
+++ b/lib/libc/arch/riscv64/sys/brk.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: brk.S,v 1.1 2021/05/04 04:17:53 drahn Exp $	*/
+/*	$OpenBSD: brk.S,v 1.2 2021/10/25 14:38:10 jca Exp $	*/
 /*
  * Copyright (c) 2021 Dale Rahn <drahn@openbsd.org>
  *
@@ -26,7 +26,6 @@ __minbrk:
 	.dword _C_LABEL(_end)
 	
 
-	.weak	brk
 ENTRY(brk)
 	RETGUARD_SETUP(brk, t6)
 	lla	t1, _C_LABEL(__minbrk)
@@ -56,3 +55,4 @@ ENTRY(brk)
 	RETGUARD_CHECK(brk, t6);
 	ret
 END(brk)
+	.weak	brk
diff --git a/lib/libc/arch/riscv64/sys/sbrk.S b/lib/libc/arch/riscv64/sys/sbrk.S
index 02d02d3900d..a58effc3232 100644
--- a/lib/libc/arch/riscv64/sys/sbrk.S
+++ b/lib/libc/arch/riscv64/sys/sbrk.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sbrk.S,v 1.1 2021/05/04 04:17:53 drahn Exp $	*/
+/*	$OpenBSD: sbrk.S,v 1.2 2021/10/25 14:38:10 jca Exp $	*/
 /*
  * Copyright (c) 2021 Dale Rahn <drahn@openbsd.org>
  *
@@ -28,7 +28,6 @@ __curbrk:
 	.dword _C_LABEL(_end)
 	END(__curbrk)
 	
-	.weak	sbrk
 ENTRY(sbrk)
 	RETGUARD_SETUP(sbrk, t6)
 
@@ -48,3 +47,4 @@ ENTRY(sbrk)
 	RETGUARD_CHECK(sbrk, t6);
 	ret
 END(sbrk)
+	.weak	sbrk
diff --git a/lib/libc/arch/sparc64/sys/brk.S b/lib/libc/arch/sparc64/sys/brk.S
index f6c6d5223ca..03bcebd9fa1 100644
--- a/lib/libc/arch/sparc64/sys/brk.S
+++ b/lib/libc/arch/sparc64/sys/brk.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: brk.S,v 1.7 2015/09/05 06:22:47 guenther Exp $	*/
+/*	$OpenBSD: brk.S,v 1.8 2021/10/25 14:38:10 jca Exp $	*/
 /*	$NetBSD: brk.S,v 1.9 2000/07/25 20:15:40 mycroft Exp $	*/
 
 /*
@@ -41,8 +41,6 @@
 	.globl	__curbrk
 	.globl	_C_LABEL(_end)
 
-	.weak	brk
-
 	.data
 	.align	8
 __minbrk:
@@ -85,3 +83,4 @@ ENTRY(brk)
 	 stx	%o2, [%g1 + %lo(__curbrk)]
 #endif
 END(brk)
+	.weak	brk
diff --git a/lib/libc/arch/sparc64/sys/sbrk.S b/lib/libc/arch/sparc64/sys/sbrk.S
index 98bb8819f0d..a1663f43466 100644
--- a/lib/libc/arch/sparc64/sys/sbrk.S
+++ b/lib/libc/arch/sparc64/sys/sbrk.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sbrk.S,v 1.5 2015/09/05 06:22:47 guenther Exp $	*/
+/*	$OpenBSD: sbrk.S,v 1.6 2021/10/25 14:38:10 jca Exp $	*/
 /*	$NetBSD: sbrk.S,v 1.7 2000/07/25 15:14:46 mycroft Exp $	*/
 
 /*
@@ -50,8 +50,6 @@ __curbrk:
 	OTYPE(__curbrk)
 	.text
 
-	.weak	sbrk
-
 ENTRY(sbrk)
 #ifdef __PIC__
 	PIC_PROLOGUE(%o5,%o4)
@@ -83,3 +81,4 @@ ENTRY(sbrk)
 	 stx	%o4, [%o2 + %lo(__curbrk)]
 #endif
 END(sbrk)
+	.weak	sbrk
diff --git a/lib/libc/net/base64.c b/lib/libc/net/base64.c
index 76f2f910a26..bfa4f4d3cb9 100644
--- a/lib/libc/net/base64.c
+++ b/lib/libc/net/base64.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: base64.c,v 1.13 2021/10/24 10:05:22 jsg Exp $	*/
+/*	$OpenBSD: base64.c,v 1.14 2021/10/25 14:38:10 jca Exp $	*/
 
 /*
  * Copyright (c) 1996 by Internet Software Consortium.
@@ -42,7 +42,6 @@
  * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
  */
 
-#include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>