[glibc] elf: Remove _DL_PLATFORMS_COUNT

[glibc] elf: Remove _DL_PLATFORMS_COUNT

[Stefan Liebler]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=343439a31ed1f07da307037b2c92b8ab3367c05c

commit 343439a31ed1f07da307037b2c92b8ab3367c05c
Author: Stefan Liebler <stli@linux.ibm.com>
Date:   Fri Jun 7 13:42:42 2024 +0200

    elf: Remove _DL_PLATFORMS_COUNT
    
    Remove the definitions of _DL_PLATFORMS_COUNT as those are not used
    anymore after removal in elf/dl-cache.c:search_cache().
    
    Note: On x86, we can also get rid of the definitions
    HWCAP_PLATFORMS_START and HWCAP_PLATFORMS_COUNT.
    Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

Diff:
---
 sysdeps/alpha/dl-procinfo.h     |  3 ---
 sysdeps/csky/dl-procinfo.h      |  3 ---
 sysdeps/mips/dl-procinfo.h      |  3 ---
 sysdeps/powerpc/dl-procinfo.h   |  2 --
 sysdeps/s390/dl-procinfo.h      |  2 --
 sysdeps/x86/dl-hwcap.h          | 10 ++--------
 sysdeps/x86/dl-procinfo.c       |  5 ++---
 sysdeps/x86/dl-procinfo.h       |  1 -
 sysdeps/x86_64/dl-procruntime.c |  5 ++---
 9 files changed, 6 insertions(+), 28 deletions(-)

diff --git a/sysdeps/alpha/dl-procinfo.h b/sysdeps/alpha/dl-procinfo.h
index 90f83ec24e..a5264f9f2c 100644
--- a/sysdeps/alpha/dl-procinfo.h
+++ b/sysdeps/alpha/dl-procinfo.h
@@ -21,9 +21,6 @@
 
 #include <ldsodefs.h>
 
-
-#define _DL_PLATFORMS_COUNT   5
-
 /* We cannot provide a general printing function.  */
 #define _dl_procinfo(type, word) -1
 
diff --git a/sysdeps/csky/dl-procinfo.h b/sysdeps/csky/dl-procinfo.h
index 803441f52c..3e7c63ee67 100644
--- a/sysdeps/csky/dl-procinfo.h
+++ b/sysdeps/csky/dl-procinfo.h
@@ -22,9 +22,6 @@
 
 #include <ldsodefs.h>
 
-
-#define _DL_PLATFORMS_COUNT   4
-
 /* We cannot provide a general printing function.  */
 #define _dl_procinfo(word, val) -1
 
diff --git a/sysdeps/mips/dl-procinfo.h b/sysdeps/mips/dl-procinfo.h
index 7185542eac..79c2acc388 100644
--- a/sysdeps/mips/dl-procinfo.h
+++ b/sysdeps/mips/dl-procinfo.h
@@ -21,9 +21,6 @@
 
 #include <ldsodefs.h>
 
-
-#define _DL_PLATFORMS_COUNT   4
-
 /* We cannot provide a general printing function.  */
 #define _dl_procinfo(type, word) -1
 
diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h
index 5b628a27ca..81eb9fba87 100644
--- a/sysdeps/powerpc/dl-procinfo.h
+++ b/sysdeps/powerpc/dl-procinfo.h
@@ -38,8 +38,6 @@
 #define HWCAP_IMPORTANT		(PPC_FEATURE_HAS_ALTIVEC \
 				+ PPC_FEATURE_HAS_DFP)
 
-#define _DL_PLATFORMS_COUNT	17
-
 #define _DL_FIRST_PLATFORM	32
 
 /* Platform bits (relative to _DL_FIRST_PLATFORM).  */
diff --git a/sysdeps/s390/dl-procinfo.h b/sysdeps/s390/dl-procinfo.h
index ef2a084ce7..7092ed1e2d 100644
--- a/sysdeps/s390/dl-procinfo.h
+++ b/sysdeps/s390/dl-procinfo.h
@@ -23,8 +23,6 @@
 #define _DL_HWCAP_COUNT 23
 extern const char _dl_s390_cap_flags[_DL_HWCAP_COUNT][9] attribute_hidden;
 
-#define _DL_PLATFORMS_COUNT	11
-
 /* Hardware capability bit numbers are derived directly from the
    facility indications as stored by the "store facility list" (STFL)
    instruction.
diff --git a/sysdeps/x86/dl-hwcap.h b/sysdeps/x86/dl-hwcap.h
index e14e755bd7..246fdcd831 100644
--- a/sysdeps/x86/dl-hwcap.h
+++ b/sysdeps/x86/dl-hwcap.h
@@ -20,20 +20,14 @@
 
 #if IS_IN (ldconfig)
 /* Since ldconfig processes both i386 and x86-64 libraries, it needs
-   to cover all platforms and hardware capabilities.  */
-# define HWCAP_PLATFORMS_START	0
-# define HWCAP_PLATFORMS_COUNT	4
+   to cover all hardware capabilities.  */
 # define HWCAP_IMPORTANT \
   (HWCAP_X86_SSE2 | HWCAP_X86_64 | HWCAP_X86_AVX512_1)
 #elif defined __x86_64__
-/* For 64 bit, only cover x86-64 platforms and capabilities.  */
-# define HWCAP_PLATFORMS_START	2
-# define HWCAP_PLATFORMS_COUNT	4
+/* For 64 bit, only cover x86-64 capabilities.  */
 # define HWCAP_IMPORTANT	(HWCAP_X86_64 | HWCAP_X86_AVX512_1)
 #else
 /* For 32 bit, only cover i586, i686 and SSE2.  */
-# define HWCAP_PLATFORMS_START	0
-# define HWCAP_PLATFORMS_COUNT	2
 # define HWCAP_IMPORTANT	(HWCAP_X86_SSE2)
 #endif
 
diff --git a/sysdeps/x86/dl-procinfo.c b/sysdeps/x86/dl-procinfo.c
index 165ffd89a9..b791fd3e92 100644
--- a/sysdeps/x86/dl-procinfo.c
+++ b/sysdeps/x86/dl-procinfo.c
@@ -16,9 +16,8 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-/* This information must be kept in sync with the _DL_HWCAP_COUNT,
-   HWCAP_PLATFORMS_START and HWCAP_PLATFORMS_COUNT definitions in
-   dl-hwcap.h.
+/* This information must be kept in sync with the _DL_HWCAP_COUNT
+   definition in dl-hwcap.h.
 
    If anything should be added here check whether the size of each string
    is still ok with the given array size.
diff --git a/sysdeps/x86/dl-procinfo.h b/sysdeps/x86/dl-procinfo.h
index a8d7d4ed32..ea0f33bbad 100644
--- a/sysdeps/x86/dl-procinfo.h
+++ b/sysdeps/x86/dl-procinfo.h
@@ -22,6 +22,5 @@
 #include <dl-hwcap.h>
 
 #define _DL_HWCAP_COUNT		HWCAP_COUNT
-#define _DL_PLATFORMS_COUNT	HWCAP_PLATFORMS_COUNT
 
 #endif /* dl-procinfo.h */
diff --git a/sysdeps/x86_64/dl-procruntime.c b/sysdeps/x86_64/dl-procruntime.c
index 7078581778..0859438ed0 100644
--- a/sysdeps/x86_64/dl-procruntime.c
+++ b/sysdeps/x86_64/dl-procruntime.c
@@ -16,9 +16,8 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-/* This information must be kept in sync with the _DL_HWCAP_COUNT,
-   HWCAP_PLATFORMS_START and HWCAP_PLATFORMS_COUNT definitions in
-   dl-hwcap.h.
+/* This information must be kept in sync with the _DL_HWCAP_COUNT
+   definition in dl-hwcap.h.
 
    If anything should be added here check whether the size of each string
    is still ok with the given array size.