CVS commit: src/lib/libc/arch/arm/misc
Module Name:src Committed By: matt Date: Sun Sep 8 12:11:56 UTC 2013 Modified Files: src/lib/libc/arch/arm/misc: arm_initfini.c Log Message: Detect presence of hardware divide. To generate a diff of this commit: cvs rdiff -u -r1.5 -r1.6 src/lib/libc/arch/arm/misc/arm_initfini.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files. Modified files: Index: src/lib/libc/arch/arm/misc/arm_initfini.c diff -u src/lib/libc/arch/arm/misc/arm_initfini.c:1.5 src/lib/libc/arch/arm/misc/arm_initfini.c:1.6 --- src/lib/libc/arch/arm/misc/arm_initfini.c:1.5 Mon Aug 19 22:14:37 2013 +++ src/lib/libc/arch/arm/misc/arm_initfini.c Sun Sep 8 12:11:56 2013 @@ -29,7 +29,7 @@ #include sys/cdefs.h -__RCSID($NetBSD: arm_initfini.c,v 1.5 2013/08/19 22:14:37 matt Exp $); +__RCSID($NetBSD: arm_initfini.c,v 1.6 2013/09/08 12:11:56 matt Exp $); #include namespace.h @@ -47,6 +47,7 @@ __RCSID($NetBSD: arm_initfini.c,v 1.5 2 #include stddef.h __dso_hidden int _libc_arm_fpu_present; +__dso_hidden int _libc_arm_hwdiv_present; static bool _libc_aapcs_initialized; void _libc_aapcs_init(void) __attribute__((__constructor__, __used__)); @@ -59,5 +60,7 @@ _libc_aapcs_init(void) _libc_aapcs_initialized = true; (void)sysctlbyname(machdep.fpu_present, _libc_arm_fpu_present, len, NULL, 0); + (void)sysctlbyname(machdep.hwdiv_present, + _libc_arm_hwdiv_present, len, NULL, 0); } }
CVS commit: src/lib/libc/arch/arm/misc
Module Name:src Committed By: matt Date: Sun Sep 8 13:15:54 UTC 2013 Modified Files: src/lib/libc/arch/arm/misc: arm_initfini.c Log Message: detect whether hw divide is present. To generate a diff of this commit: cvs rdiff -u -r1.6 -r1.7 src/lib/libc/arch/arm/misc/arm_initfini.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files. Modified files: Index: src/lib/libc/arch/arm/misc/arm_initfini.c diff -u src/lib/libc/arch/arm/misc/arm_initfini.c:1.6 src/lib/libc/arch/arm/misc/arm_initfini.c:1.7 --- src/lib/libc/arch/arm/misc/arm_initfini.c:1.6 Sun Sep 8 12:11:56 2013 +++ src/lib/libc/arch/arm/misc/arm_initfini.c Sun Sep 8 13:15:53 2013 @@ -29,7 +29,7 @@ #include sys/cdefs.h -__RCSID($NetBSD: arm_initfini.c,v 1.6 2013/09/08 12:11:56 matt Exp $); +__RCSID($NetBSD: arm_initfini.c,v 1.7 2013/09/08 13:15:53 matt Exp $); #include namespace.h @@ -47,7 +47,9 @@ __RCSID($NetBSD: arm_initfini.c,v 1.6 2 #include stddef.h __dso_hidden int _libc_arm_fpu_present; +#ifndef __ARM_ARCH_EXT_IDIV__ __dso_hidden int _libc_arm_hwdiv_present; +#endif static bool _libc_aapcs_initialized; void _libc_aapcs_init(void) __attribute__((__constructor__, __used__)); @@ -60,7 +62,9 @@ _libc_aapcs_init(void) _libc_aapcs_initialized = true; (void)sysctlbyname(machdep.fpu_present, _libc_arm_fpu_present, len, NULL, 0); +#ifndef __ARM_ARCH_EXT_IDIV__ (void)sysctlbyname(machdep.hwdiv_present, _libc_arm_hwdiv_present, len, NULL, 0); +#endif } }
CVS commit: src/lib/libc/arch/arm/misc
Module Name:src Committed By: matt Date: Fri Aug 16 17:09:27 UTC 2013 Modified Files: src/lib/libc/arch/arm/misc: arm_initfini.c Log Message: Make _libc_arm_fpu_present hidden To generate a diff of this commit: cvs rdiff -u -r1.3 -r1.4 src/lib/libc/arch/arm/misc/arm_initfini.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files. Modified files: Index: src/lib/libc/arch/arm/misc/arm_initfini.c diff -u src/lib/libc/arch/arm/misc/arm_initfini.c:1.3 src/lib/libc/arch/arm/misc/arm_initfini.c:1.4 --- src/lib/libc/arch/arm/misc/arm_initfini.c:1.3 Tue Jul 30 10:47:44 2013 +++ src/lib/libc/arch/arm/misc/arm_initfini.c Fri Aug 16 17:09:27 2013 @@ -29,7 +29,7 @@ #include sys/cdefs.h -__RCSID($NetBSD: arm_initfini.c,v 1.3 2013/07/30 10:47:44 skrll Exp $); +__RCSID($NetBSD: arm_initfini.c,v 1.4 2013/08/16 17:09:27 matt Exp $); #include namespace.h @@ -46,7 +46,7 @@ __RCSID($NetBSD: arm_initfini.c,v 1.3 2 #include stdbool.h #include stddef.h -int _libc_arm_fpu_present; +__dso_hidden int _libc_arm_fpu_present; static bool _libc_aapcs_initialized; void _libc_aapcs_init(void) __attribute__((__constructor__, __used__));
CVS commit: src/lib/libc/arch/arm/misc
Module Name:src Committed By: skrll Date: Tue Jul 30 10:47:44 UTC 2013 Modified Files: src/lib/libc/arch/arm/misc: arm_initfini.c Log Message: include namespace.h - this fixes 48091 To generate a diff of this commit: cvs rdiff -u -r1.2 -r1.3 src/lib/libc/arch/arm/misc/arm_initfini.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files. Modified files: Index: src/lib/libc/arch/arm/misc/arm_initfini.c diff -u src/lib/libc/arch/arm/misc/arm_initfini.c:1.2 src/lib/libc/arch/arm/misc/arm_initfini.c:1.3 --- src/lib/libc/arch/arm/misc/arm_initfini.c:1.2 Thu Jan 31 06:47:55 2013 +++ src/lib/libc/arch/arm/misc/arm_initfini.c Tue Jul 30 10:47:44 2013 @@ -29,7 +29,9 @@ #include sys/cdefs.h -__RCSID($NetBSD: arm_initfini.c,v 1.2 2013/01/31 06:47:55 matt Exp $); +__RCSID($NetBSD: arm_initfini.c,v 1.3 2013/07/30 10:47:44 skrll Exp $); + +#include namespace.h /* * To properly implement setjmp/longjmp for the ARM AAPCS ABI, it has to be
CVS commit: src/lib/libc/arch/arm/misc
Module Name:src
Committed By: matt
Date: Thu Jan 31 06:47:55 UTC 2013
Modified Files:
src/lib/libc/arch/arm/misc: arm_initfini.c
Log Message:
Reorganize to appease lint.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/lib/libc/arch/arm/misc/arm_initfini.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/arch/arm/misc/arm_initfini.c
diff -u src/lib/libc/arch/arm/misc/arm_initfini.c:1.1 src/lib/libc/arch/arm/misc/arm_initfini.c:1.2
--- src/lib/libc/arch/arm/misc/arm_initfini.c:1.1 Tue Jan 29 19:14:54 2013
+++ src/lib/libc/arch/arm/misc/arm_initfini.c Thu Jan 31 06:47:55 2013
@@ -29,7 +29,7 @@
#include sys/cdefs.h
-__RCSID($NetBSD: arm_initfini.c,v 1.1 2013/01/29 19:14:54 matt Exp $);
+__RCSID($NetBSD: arm_initfini.c,v 1.2 2013/01/31 06:47:55 matt Exp $);
/*
* To properly implement setjmp/longjmp for the ARM AAPCS ABI, it has to be
@@ -42,6 +42,7 @@ __RCSID($NetBSD: arm_initfini.c,v 1.1 2
#include sys/sysctl.h
#include stdbool.h
+#include stddef.h
int _libc_arm_fpu_present;
static bool _libc_aapcs_initialized;
@@ -51,11 +52,10 @@ void _libc_aapcs_init(void) __attribute_
void
_libc_aapcs_init(void)
{
- if (_libc_aapcs_initialized)
- return;
-
- _libc_aapcs_initialized = true;
- size_t len = sizeof(_libc_arm_fpu_present);
- (void)sysctlbyname(machdep.fpu_present, _libc_arm_fpu_present, len,
- NULL, 0);
+ if (!_libc_aapcs_initialized) {
+ size_t len = sizeof(_libc_arm_fpu_present);
+ _libc_aapcs_initialized = true;
+ (void)sysctlbyname(machdep.fpu_present,
+ _libc_arm_fpu_present, len, NULL, 0);
+ }
}
CVS commit: src/lib/libc/arch/arm/misc
Module Name:src
Committed By: matt
Date: Tue Jan 29 19:14:54 UTC 2013
Added Files:
src/lib/libc/arch/arm/misc: arm_initfini.c
Log Message:
Add a constructor for EABI to determine if a FPU is present on the system.
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/lib/libc/arch/arm/misc/arm_initfini.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/lib/libc/arch/arm/misc/arm_initfini.c
diff -u /dev/null src/lib/libc/arch/arm/misc/arm_initfini.c:1.1
--- /dev/null Tue Jan 29 19:14:54 2013
+++ src/lib/libc/arch/arm/misc/arm_initfini.c Tue Jan 29 19:14:54 2013
@@ -0,0 +1,61 @@
+/*-
+ * Copyright (c) 2013 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matt Thomas of 3am Software Foundry.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *notice, this list of conditions and the following disclaimer in the
+ *documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include sys/cdefs.h
+
+__RCSID($NetBSD: arm_initfini.c,v 1.1 2013/01/29 19:14:54 matt Exp $);
+
+/*
+ * To properly implement setjmp/longjmp for the ARM AAPCS ABI, it has to be
+ * aware of whether there is a FPU is present or not. Regardless of whether
+ * the hard-float ABI is being used, setjmp needs to save D8-D15. But it can
+ * only do this if those instructions won't cause an exception.
+ */
+
+#include sys/param.h
+#include sys/sysctl.h
+
+#include stdbool.h
+
+int _libc_arm_fpu_present;
+static bool _libc_aapcs_initialized;
+
+void _libc_aapcs_init(void) __attribute__((__constructor__, __used__));
+
+void
+_libc_aapcs_init(void)
+{
+ if (_libc_aapcs_initialized)
+ return;
+
+ _libc_aapcs_initialized = true;
+ size_t len = sizeof(_libc_arm_fpu_present);
+ (void)sysctlbyname(machdep.fpu_present, _libc_arm_fpu_present, len,
+ NULL, 0);
+}
