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glibc/dl-show-auxv.patch

108 lines
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2019-03-13 Stefan Liebler <stli@linux.ibm.com>
* elf/dl-sysdep.c (_dl_show_auxv): Remove condition and always
call _dl_procinfo.
* sysdeps/unix/sysv/linux/s390/dl-procinfo.h (_dl_procinfo):
Ignore types other than AT_HWCAP.
* sysdeps/sparc/dl-procinfo.h (_dl_procinfo): Likewise.
* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (_dl_procinfo):
Likewise.
* sysdeps/powerpc/dl-procinfo.h (_dl_procinfo): Adjust comment
in the case of falling back to generic output mechanism.
* sysdeps/unix/sysv/linux/arm/dl-procinfo.h (_dl_procinfo):
Likewise.
Index: glibc-2.29/elf/dl-sysdep.c
===================================================================
--- glibc-2.29.orig/elf/dl-sysdep.c
+++ glibc-2.29/elf/dl-sysdep.c
@@ -328,14 +328,9 @@ _dl_show_auxv (void)
assert (AT_NULL == 0);
assert (AT_IGNORE == 1);
- if (av->a_type == AT_HWCAP || av->a_type == AT_HWCAP2
- || AT_L1I_CACHEGEOMETRY || AT_L1D_CACHEGEOMETRY
- || AT_L2_CACHEGEOMETRY || AT_L3_CACHEGEOMETRY)
- {
- /* These are handled in a special way per platform. */
- if (_dl_procinfo (av->a_type, av->a_un.a_val) == 0)
- continue;
- }
+ /* Some entries are handled in a special way per platform. */
+ if (_dl_procinfo (av->a_type, av->a_un.a_val) == 0)
+ continue;
if (idx < sizeof (auxvars) / sizeof (auxvars[0])
&& auxvars[idx].form != unknown)
Index: glibc-2.29/sysdeps/powerpc/dl-procinfo.h
===================================================================
--- glibc-2.29.orig/sysdeps/powerpc/dl-procinfo.h
+++ glibc-2.29/sysdeps/powerpc/dl-procinfo.h
@@ -225,7 +225,7 @@ _dl_procinfo (unsigned int type, unsigne
break;
}
default:
- /* This should not happen. */
+ /* Fallback to generic output mechanism. */
return -1;
}
_dl_printf ("\n");
Index: glibc-2.29/sysdeps/sparc/dl-procinfo.h
===================================================================
--- glibc-2.29.orig/sysdeps/sparc/dl-procinfo.h
+++ glibc-2.29/sysdeps/sparc/dl-procinfo.h
@@ -31,8 +31,8 @@ _dl_procinfo (unsigned int type, unsigne
{
int i;
- /* Fallback to unknown output mechanism. */
- if (type == AT_HWCAP2)
+ /* Fallback to generic output mechanism. */
+ if (type != AT_HWCAP)
return -1;
_dl_printf ("AT_HWCAP: ");
Index: glibc-2.29/sysdeps/unix/sysv/linux/arm/dl-procinfo.h
===================================================================
--- glibc-2.29.orig/sysdeps/unix/sysv/linux/arm/dl-procinfo.h
+++ glibc-2.29/sysdeps/unix/sysv/linux/arm/dl-procinfo.h
@@ -67,7 +67,7 @@ _dl_procinfo (unsigned int type, unsigne
break;
}
default:
- /* This should not happen. */
+ /* Fallback to generic output mechanism. */
return -1;
}
_dl_printf ("\n");
Index: glibc-2.29/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
===================================================================
--- glibc-2.29.orig/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
+++ glibc-2.29/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
@@ -30,8 +30,8 @@ _dl_procinfo (unsigned int type, unsigne
in the kernel sources. */
int i;
- /* Fallback to unknown output mechanism. */
- if (type == AT_HWCAP2)
+ /* Fallback to generic output mechanism. */
+ if (type != AT_HWCAP)
return -1;
_dl_printf ("AT_HWCAP: ");
Index: glibc-2.29/sysdeps/unix/sysv/linux/s390/dl-procinfo.h
===================================================================
--- glibc-2.29.orig/sysdeps/unix/sysv/linux/s390/dl-procinfo.h
+++ glibc-2.29/sysdeps/unix/sysv/linux/s390/dl-procinfo.h
@@ -32,8 +32,8 @@ _dl_procinfo (unsigned int type, unsigne
in the kernel sources. */
int i;
- /* Fallback to unknown output mechanism. */
- if (type == AT_HWCAP2)
+ /* Fallback to generic output mechanism. */
+ if (type != AT_HWCAP)
return -1;
_dl_printf ("AT_HWCAP: ");