lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2026-01-06 11:51:29 +03:00
Code Activity

Update.

Browse Source 
1998-03-30  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/dl-sysdep.c (_dl_important_hwcaps): New
	function.

	* sysdeps/generic/dl-procinfo.h (HWCAP_IMPORTANT): New definition.

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (_dl_hwcap_string):
	New function.
	(HWCAP_IMPORTANT): New definition.

1998-03-30 17:26  H.J. Lu  <hjl@gnu.org>

	* elf/dl-open.c (_dl_open): Fix a typo.
	(_dl_global_scope_alloc): Make it static.

	* nss/getXXent_r.c (REENTRANT_GETNAME): Avoid endless loop.
This commit is contained in:
Ulrich Drepper
1998-03-30 18:45:41 +00:00
parent 001426b899
commit e8e0bee5dd
5 changed files with 77 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
sysdeps/generic/dl-sysdep.c
View File

@@ -45,6 +45,7 @@ int __libc_enable_secure;
int __libc_multiple_libcs; /* Defining this here avoids the inclusion
of init-first. */
static ElfW(auxv_t) *_dl_auxv;
static unsigned long hwcap;
#ifndef DL_FIND_ARG_COMPONENTS
@@ -235,10 +236,10 @@ _dl_show_auxv (void)
_dl_sysdep_message ("AT_PLATFORM: ", av->a_un.a_ptr, "\n", NULL);
break;
case AT_HWCAP:
if (_dl_procinfo (av->a_un.a_val) < 0)
hwcap = av->a_un.a_val;
if (_dl_procinfo (hwcap) < 0)
_dl_sysdep_message ("AT_HWCAP: ",
_itoa_word (av->a_un.a_val, buf + sizeof buf - 1,
16, 0),
_itoa_word (hwcap, buf + sizeof buf - 1, 16, 0),
"\n", NULL);
break;
}
@@ -269,3 +270,30 @@ _dl_next_ld_env_entry (char ***position)
return result;
}
/* Return an array of useful/necessary hardware capability names. */
char **
_dl_important_hwcaps (size_t *sz)
{
/* Determine how many important bits are set. */
unsigned long int important = hwcap & HWCAP_IMPORTANT;
size_t cnt = 0;
size_t n;
char **result;
for (n = 0; (~((1UL << n) - 1) & important) != 0; ++n)
if ((important & (1UL << n)) != 0)
++cnt;
*sz = 0;
if (cnt == 0)
return NULL;
result = (char **) malloc (cnt * sizeof (char *));
if (result != NULL)
for (n = 0; (~((1UL << n) - 1) & important) != 0; ++n)
if ((important & (1UL << n)) != 0)
result[*sz++] = _dl_hwcap_string (n);
return result;
}