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007-06-29 Martin Schwidefsky <schwidefsky@de.ibm.com>

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* sysdeps/s390/dl-procinfo.c: New file.
	* sysdeps/s390/dl-procinfo.h: New file.
	* sysdeps/unix/sysv/linux/s390/dl-procinfo.h: New file.
This commit is contained in:
Ulrich Drepper 2007-06-30 17:03:55 +00:00
parent 0e508a6e4a
commit 3351649410
4 changed files with 228 additions and 0 deletions
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6
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007-06-29 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/dl-procinfo.c: New file.
* sysdeps/s390/dl-procinfo.h: New file.
* sysdeps/unix/sysv/linux/s390/dl-procinfo.h: New file.
2007-06-29 Jakub Jelinek <jakub@redhat.com>
* elf/dl-load.c (open_verify): Find .note.ABI-tag notes even

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sysdeps/s390/dl-procinfo.c Normal file
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/* Data for s390 version of processor capability information.
Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2006.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* This information must be kept in sync with the _DL_HWCAP_COUNT and
_DL_PLATFORM_COUNT definitions in procinfo.h.
If anything should be added here check whether the size of each string
is still ok with the given array size.
All the #ifdefs in the definitions are quite irritating but
necessary if we want to avoid duplicating the information. There
are three different modes:
- PROCINFO_DECL is defined. This means we are only interested in
declarations.
- PROCINFO_DECL is not defined:
+ if SHARED is defined the file is included in an array
initializer. The .element = { ... } syntax is needed.
+ if SHARED is not defined a normal array initialization is
needed.
*/
#ifndef PROCINFO_CLASS
# define PROCINFO_CLASS
#endif
#if !defined PROCINFO_DECL && defined SHARED
._dl_s390_cap_flags
#else
PROCINFO_CLASS const char _dl_s390_cap_flags[7][6]
#endif
#ifndef PROCINFO_DECL
= {
"esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp"
}
#endif
#if !defined SHARED || defined PROCINFO_DECL
;
#else
,
#endif
#if !defined PROCINFO_DECL && defined SHARED
._dl_s390_platforms
#else
PROCINFO_CLASS const char _dl_s390_platforms[4][7]
#endif
#ifndef PROCINFO_DECL
= {
"g5", "z900", "z990", "z9-109"
}
#endif
#if !defined SHARED || defined PROCINFO_DECL
;
#else
,
#endif
#undef PROCINFO_DECL
#undef PROCINFO_CLASS

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/* s390 version of processor capability information handling macros.
Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2006.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _DL_PROCINFO_H
#define _DL_PROCINFO_H 1
#include <ldsodefs.h>
#define _DL_HWCAP_COUNT 7
#define _DL_PLATFORMS_COUNT 4
/* The kernel provides up to 32 capability bits with elf_hwcap. */
#define _DL_FIRST_PLATFORM 32
/* Mask to filter out platforms. */
#define _DL_HWCAP_PLATFORM (((1ULL << _DL_PLATFORMS_COUNT) - 1) \
<< _DL_FIRST_PLATFORM)
/* Hardware capablity bit numbers are derived directly from the
facility indications as stored by the "store facility list" (STFL)
instruction. */
enum
{
HWCAP_S390_ESAN3 = 1 << 0,
HWCAP_S390_ZARCH = 1 << 1,
HWCAP_S390_STFLE = 1 << 2,
HWCAP_S390_MSA = 1 << 3,
HWCAP_S390_LDISP = 1 << 4,
HWCAP_S390_EIMM = 1 << 5,
HWCAP_S390_DFP = 1 << 6,
};
#define HWCAP_IMPORTANT (HWCAP_S390_ZARCH | HWCAP_S390_LDISP \
| HWCAP_S390_EIMM | HWCAP_S390_DFP)
/* We cannot provide a general printing function. */
#define _dl_procinfo(word) -1
static inline const char *
__attribute__ ((unused))
_dl_hwcap_string (int idx)
{
return GLRO(dl_s390_cap_flags)[idx];
};
static inline const char *
__attribute__ ((unused))
_dl_platform_string (int idx)
{
return GLRO(dl_s390_platforms)[idx - _DL_FIRST_PLATFORM];
};
static inline int
__attribute__ ((unused, always_inline))
_dl_string_hwcap (const char *str)
{
int i;
for (i = 0; i < _DL_HWCAP_COUNT; i++)
{
if (strcmp (str, GLRO(dl_s390_cap_flags)[i]) == 0)
return i;
}
return -1;
};
static inline int
__attribute__ ((unused, always_inline))
_dl_string_platform (const char *str)
{
int i;
if (str != NULL)
for (i = 0; i < _DL_PLATFORMS_COUNT; ++i)
{
if (strcmp (str, GLRO(dl_s390_platforms)[i]) == 0)
return _DL_FIRST_PLATFORM + i;
}
return -1;
};
#endif /* dl-procinfo.h */

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/* Linux/s390 version of processor capability information handling macros.
Copyright (C) 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2006.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdeps/s390/dl-procinfo.h>
#include <ldsodefs.h>
#undef _dl_procinfo
static inline int
__attribute__ ((unused))
_dl_procinfo (int word)
{
/* This table should match the information from arch/s390/kernel/setup.c
in the kernel sources. */
int i;
_dl_printf ("AT_HWCAP: ");
for (i = 0; i < _DL_HWCAP_COUNT; ++i)
if (word & (1UL << i))
_dl_printf (" %s", GLRO(dl_s390_cap_flags)[i]);
_dl_printf ("\n");
return 0;
}