Revert "LoongArch: Add glibc.cpu.hwcap support."

This reverts commit a53451559dc9cce765ea5bcbb92c4007e058e92b.

5 files changed, 4 insertions, 158 deletions

diff --git a/sysdeps/unix/sysv/linux/loongarch/cpu-features.c b/sysdeps/unix/sysv/linux/loongarch/cpu-features.c
deleted file mode 100644
index 1290c4ce9f..0000000000
--- a/sysdeps/unix/sysv/linux/loongarch/cpu-features.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/* Initialize CPU feature data.  LoongArch64 version.
-   This file is part of the GNU C Library.
-   Copyright (C) 2023 Free Software Foundation, Inc.
-
-   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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <cpu-features.h>
-#include <elf/dl-hwcaps.h>
-#include <elf/dl-tunables.h>
-extern void TUNABLE_CALLBACK (set_hwcaps) (tunable_val_t *) attribute_hidden;
-
-static inline void
-init_cpu_features (struct cpu_features *cpu_features)
-{
-    GLRO (dl_larch_cpu_features).hwcap = GLRO (dl_hwcap);
-    TUNABLE_GET (glibc, cpu, hwcaps, tunable_val_t *, TUNABLE_CALLBACK (set_hwcaps));
-}
diff --git a/sysdeps/unix/sysv/linux/loongarch/cpu-features.h b/sysdeps/unix/sysv/linux/loongarch/cpu-features.h
index 450963cebc..d1a280a5ee 100644
--- a/sysdeps/unix/sysv/linux/loongarch/cpu-features.h
+++ b/sysdeps/unix/sysv/linux/loongarch/cpu-features.h
@@ -19,23 +19,13 @@
 #ifndef _CPU_FEATURES_LOONGARCH64_H
 #define _CPU_FEATURES_LOONGARCH64_H
 
-#include <stdint.h>
 #include <sys/auxv.h>
 
-struct cpu_features
- {
-    uint64_t hwcap;
- };
+#define SUPPORT_UAL (GLRO (dl_hwcap) & HWCAP_LOONGARCH_UAL)
+#define SUPPORT_LSX (GLRO (dl_hwcap) & HWCAP_LOONGARCH_LSX)
+#define SUPPORT_LASX (GLRO (dl_hwcap) & HWCAP_LOONGARCH_LASX)
 
-/* Get a pointer to the CPU features structure.  */
-extern const struct cpu_features *_dl_larch_get_cpu_features (void)
-     __attribute__ ((pure));
-
-#define SUPPORT_UAL (GLRO (dl_larch_cpu_features).hwcap & HWCAP_LOONGARCH_UAL)
-#define SUPPORT_LSX (GLRO (dl_larch_cpu_features).hwcap & HWCAP_LOONGARCH_LSX)
-#define SUPPORT_LASX (GLRO (dl_larch_cpu_features).hwcap & HWCAP_LOONGARCH_LASX)
-#define RTLD_SUPPORT_LSX (GLRO (dl_hwcap) & HWCAP_LOONGARCH_LSX)
-#define RTLD_SUPPORT_LASX (GLRO (dl_hwcap) & HWCAP_LOONGARCH_LASX)
 #define INIT_ARCH()
 
 #endif /* _CPU_FEATURES_LOONGARCH64_H  */
+
diff --git a/sysdeps/unix/sysv/linux/loongarch/dl-procinfo.c b/sysdeps/unix/sysv/linux/loongarch/dl-procinfo.c
deleted file mode 100644
index 6217fda983..0000000000
--- a/sysdeps/unix/sysv/linux/loongarch/dl-procinfo.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/* Data for LoongArch64 version of processor capability information.
-   Linux version.
-   Copyright (C) 2023 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 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* 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 !IS_IN (ldconfig)
-# if !defined PROCINFO_DECL && defined SHARED
-  ._dl_larch_cpu_features
-# else
-PROCINFO_CLASS struct cpu_features _dl_larch_cpu_features
-# endif
-# ifndef PROCINFO_DECL
-= { }
-# endif
-# if !defined SHARED || defined PROCINFO_DECL
-;
-# else
-,
-# endif
-#endif
-
-#undef PROCINFO_DECL
-#undef PROCINFO_CLASS
diff --git a/sysdeps/unix/sysv/linux/loongarch/dl-sysdep.c b/sysdeps/unix/sysv/linux/loongarch/dl-sysdep.c
deleted file mode 100644
index 455fd71abc..0000000000
--- a/sysdeps/unix/sysv/linux/loongarch/dl-sysdep.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Operating system support for run-time dynamic linker.  LoongArch version.
-   Copyright (C) 2023 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 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <config.h>
-#include <sysdeps/loongarch/cpu-tunables.c>
-#include <sysdeps/unix/sysv/linux/dl-sysdep.c>
diff --git a/sysdeps/unix/sysv/linux/loongarch/libc-start.c b/sysdeps/unix/sysv/linux/loongarch/libc-start.c
deleted file mode 100644
index f1346ece0a..0000000000
--- a/sysdeps/unix/sysv/linux/loongarch/libc-start.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/* Override csu/libc-start.c on LoongArch64.
-   Copyright (C) 2023 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 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef SHARED
-
-/* Mark symbols hidden in static PIE for early self relocation to work.  */
-# if BUILD_PIE_DEFAULT
-#  pragma GCC visibility push(hidden)
-# endif
-
-# include <ldsodefs.h>
-# include <cpu-features.c>
-
-extern struct cpu_features _dl_larch_cpu_features;
-
-# define ARCH_INIT_CPU_FEATURES() init_cpu_features (&_dl_larch_cpu_features)
-
-#endif
-#include <csu/libc-start.c>