From: Steve McIntyre <steve.mcintyre@linaro.org>
To: libc-ports@sourceware.org
Subject: Re: [PATCH 2/4] Check for the FLAG_AARCH64_LIB64 flag in the ldconfig cache
Date: Mon, 26 Nov 2012 15:05:00 -0000 [thread overview]
Message-ID: <20121126150434.GB28791@einval.com> (raw)
In-Reply-To: <20121126150131.GA28791@einval.com>
Use the new FLAG_AARCH64_LIB64 ldconfig cache tag for AArch64,
similarly to the way tags are handled for other architectures.
========================================================
Check for the FLAG_AARCH64_LIB64 flag in the ldconfig cache
* sysdeps/unix/sysv/linux/aarch64/dl-cache.h: New file.
Signed-off-by: Steve McIntyre <steve.mcintyre@linaro.org>
---
ports/sysdeps/unix/sysv/linux/aarch64/dl-cache.h | 45 ++++++++++++++++++++++
1 file changed, 45 insertions(+)
create mode 100644 ports/sysdeps/unix/sysv/linux/aarch64/dl-cache.h
diff --git a/ports/sysdeps/unix/sysv/linux/aarch64/dl-cache.h b/ports/sysdeps/unix/sysv/linux/aarch64/dl-cache.h
new file mode 100644
index 0000000..1aa1a84
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/aarch64/dl-cache.h
@@ -0,0 +1,45 @@
+/* Support for reading /etc/ld.so.cache files written by Linux ldconfig.
+ Copyright (C) 2003-2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <ldconfig.h>
+
+#define _DL_CACHE_DEFAULT_ID (FLAG_AARCH64_LIB64 | FLAG_ELF_LIBC6)
+
+#define _dl_cache_check_flags(flags) \
+ ((flags) == _DL_CACHE_DEFAULT_ID)
+
+#define add_system_dir(dir) \
+ do \
+ { \
+ size_t len = strlen (dir); \
+ char path[len + 3]; \
+ memcpy (path, dir, len + 1); \
+ if (len >= 6 && ! memcmp (path + len - 6, "/lib64", 6)) \
+ { \
+ len -= 2; \
+ path[len] = '\0'; \
+ } \
+ add_dir (path); \
+ if (len >= 4 && ! memcmp (path + len - 4, "/lib", 4)) \
+ { \
+ memcpy (path + len, "64", 3); \
+ add_dir (path); \
+ } \
+ } while (0)
+
+#include_next <dl-cache.h>
--
1.7.10.4
Cheers,
--
Steve McIntyre steve.mcintyre@linaro.org
<http://www.linaro.org/> Linaro.org | Open source software for ARM SoCs
next prev parent reply other threads:[~2012-11-26 15:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-26 15:02 [PATCH 1/4] Tag ARM libc6-dependent libraries with FLAG_ELF_LIBC6 Steve McIntyre
2012-11-26 15:05 ` Steve McIntyre [this message]
2012-11-28 20:58 ` [PATCH 2/4] Check for the FLAG_AARCH64_LIB64 flag in the ldconfig cache Carlos O'Donell
2012-11-29 10:40 ` Marcus Shawcroft
2012-11-30 15:01 ` Steve McIntyre
2012-11-30 16:38 ` Carlos O'Donell
2012-12-03 15:19 ` Steve McIntyre
2013-02-08 20:29 ` Andreas Schwab
2012-11-26 15:10 ` [PATCH 3/4] Tag ARM and AArch64 binaries " Steve McIntyre
2012-11-26 16:32 ` [PATCH 1/4] Tag ARM libc6-dependent libraries with FLAG_ELF_LIBC6 Joseph S. Myers
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