ldconfig patch for ia64
H . J . Lu
hjl@valinux.com
Fri Sep 29 10:35:00 GMT 2000
On Fri, Sep 29, 2000 at 06:38:17PM +0200, Andreas Schwab wrote:
> David Mosberger <davidm@hpl.hp.com> writes:
>
> |> >>>>> On 29 Sep 2000 17:37:36 +0200, Jes Sorensen <jes@linuxcare.com> said:
> |>
> |> Jes> Ahhh thanks, I must have missed this one. I am forwarding this
> |> Jes> one to Uli (without the change of year of copyright back to
> |> Jes> 1999 ;-).
> |>
> |> I ran a diff across the entire ia64 directory and found some other
> |> differences:
>
> Here is another one, so that ldconfig can distinguish between 32bit and
> 64bit objects.
>
> Andreas.
>
> 2000-09-29 Andreas Schwab <schwab@suse.de>
>
> * sysdeps/unix/sysv/linux/ia64/readelflib.c: New file.
>
> * elf/cache.c (print_entry): Check for FLAG_IA64_LIB64.
>
> Index: elf/cache.c
> ===================================================================
> RCS file: /cvs/glibc/libc/elf/cache.c,v
> retrieving revision 1.5
> diff -u -a -u -r1.5 elf/cache.c
> --- elf/cache.c 2000/05/17 11:04:02 1.5
> +++ elf/cache.c 2000/08/18 09:45:45
> @@ -72,6 +72,10 @@
> case FLAG_SPARC_LIB64:
> fputs (",64bit", stdout);
> #endif
> +#if defined __ia64__ || defined __i386__
> + case FLAG_IA64_LIB64:
> + fputs (",64bit", stdout);
> +#endif
> case 0:
> break;
> default:
> Index: sysdeps/unix/sysv/linux/ia64/readelflib.c
> ===================================================================
> RCS file: readelflib.c
> diff -N sysdeps/unix/sysv/linux/ia64/readelflib.c
> --- /dev/null Tue May 5 13:32:27 1998
> +++ sysdeps/unix/sysv/linux/ia64/readelflib.c Fri Aug 18 02:45:49 2000
> @@ -0,0 +1,57 @@
> +/* Copyright (C) 2000 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 Library General Public License as
> + published by the Free Software Foundation; either version 2 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
> + Library General Public License for more details.
> +
> + You should have received a copy of the GNU Library General Public
> + License along with the GNU C Library; see the file COPYING.LIB. If not,
> + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
> + Boston, MA 02111-1307, USA. */
> +
> +
> +int process_elf32_file (const char *file_name, const char *lib, int *flag,
> + char **soname, void *file_contents, size_t file_length);
> +int process_elf64_file (const char *file_name, const char *lib, int *flag,
> + char **soname, void *file_contents, size_t file_length);
> +
> +/* Returns 0 if everything is ok, != 0 in case of error. */
> +int
> +process_elf_file (const char *file_name, const char *lib, int *flag,
> + char **soname, void *file_contents, size_t file_length)
> +{
> + ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
> + int ret;
> +
> + if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
> + return process_elf32_file (file_name, lib, flag, soname, file_contents,
> + file_length);
> + else
> + {
> + ret = process_elf64_file (file_name, lib, flag, soname, file_contents,
> + file_length);
> + /* Intel 64bit libraries are always libc.so.6+. */
> + if (!ret)
> + *flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
> + return ret;
> + }
> +}
> +
> +#undef __ELF_NATIVE_CLASS
> +#undef process_elf_file
> +#define process_elf_file process_elf32_file
> +#define __ELF_NATIVE_CLASS 32
> +#include "sysdeps/generic/readelflib.c"
> +
> +#undef __ELF_NATIVE_CLASS
> +#undef process_elf_file
> +#define process_elf_file process_elf64_file
> +#define __ELF_NATIVE_CLASS 64
> +#include "sysdeps/generic/readelflib.c"
>
I don't like
fputs (",64bit", stdout);
since ia64 may not be the only 64bit library together with ia32
library. Also I am not sure if
#if defined __ia64__ || defined __i386__
is really necessary. BTW, I think we need
sysdeps/unix/sysv/linux/ia64/dl-cache.h
Here is my patch.
--
H.J. Lu (hjl@gnu.org)
----
2000-09-29 H.J. Lu <hjl@gnu.org>
* sysdeps/unix/sysv/linux/ia64/dl-cache.h: New.
* sysdeps/unix/sysv/linux/ia64/readelflib.c: Likewise.
* elf/cache.c (print_entry): Handle FLAG_IA64_LIB64 for ia64.
Index: elf/cache.c
===================================================================
RCS file: /work/cvs/gnu/glibc/elf/cache.c,v
retrieving revision 1.1.1.1
diff -u -p -r1.1.1.1 cache.c
--- elf/cache.c 2000/05/21 21:10:57 1.1.1.1
+++ elf/cache.c 2000/09/29 17:11:03
@@ -72,6 +72,10 @@ print_entry (const char *lib, int flag,
case FLAG_SPARC_LIB64:
fputs (",64bit", stdout);
#endif
+#ifdef __ia64__
+ case FLAG_IA64_LIB64:
+ fputs (",IA-64", stdout);
+#endif
case 0:
break;
default:
--- /dev/null Thu Aug 24 02:00:32 2000
+++ sysdeps/unix/sysv/linux/ia64/dl-cache.h Fri Sep 29 10:06:21 2000
@@ -0,0 +1,25 @@
+/* Support for reading /etc/ld.so.cache files written by Linux ldconfig.
+ Copyright (C) 2000 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#define _DL_CACHE_DEFAULT_ID 0x203
+
+#define _dl_cache_check_flags(flags) \
+ ((flags) == _DL_CACHE_DEFAULT_ID)
+
+#include_next <dl-cache.h>
--- /dev/null Thu Aug 24 02:00:32 2000
+++ sysdeps/unix/sysv/linux/ia64/readelflib.c Fri Sep 29 10:33:05 2000
@@ -0,0 +1,62 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 1999 and
+ Jakub Jelinek <jakub@redhat.com>, 1999 and
+ H.J. Lu <hjl@rvalinux.com>, 2000
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+
+int process_elf32_file (const char *file_name, const char *lib, int *flag,
+ char **soname, void *file_contents,
+ size_t file_length);
+int process_elf64_file (const char *file_name, const char *lib, int *flag,
+ char **soname, void *file_contents,
+ size_t file_length);
+
+/* Returns 0 if everything is ok, != 0 in case of error. */
+int
+process_elf_file (const char *file_name, const char *lib, int *flag,
+ char **soname, void *file_contents, size_t file_length)
+{
+ ElfW(Ehdr) *elf_header = (ElfW(Ehdr) *) file_contents;
+ int ret;
+
+ if (elf_header->e_ident [EI_CLASS] == ELFCLASS32)
+ return process_elf32_file (file_name, lib, flag, soname, file_contents,
+ file_length);
+ else
+ {
+ ret = process_elf64_file (file_name, lib, flag, soname, file_contents,
+ file_length);
+ /* IA64 libraries are always libc.so.6+. */
+ if (!ret)
+ *flag = FLAG_IA64_LIB64|FLAG_ELF_LIBC6;
+ return ret;
+ }
+}
+
+#undef __ELF_NATIVE_CLASS
+#undef process_elf_file
+#define process_elf_file process_elf32_file
+#define __ELF_NATIVE_CLASS 32
+#include "sysdeps/generic/readelflib.c"
+
+#undef __ELF_NATIVE_CLASS
+#undef process_elf_file
+#define process_elf_file process_elf64_file
+#define __ELF_NATIVE_CLASS 64
+#include "sysdeps/generic/readelflib.c"
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