arm: add hwcap header file

libc/sysdeps/linux/arm/bits/hwcap.h

@@ -0,0 +1,50 @@
+/* Defines for bits in AT_HWCAP.  ARM Linux version.
+   Copyright (C) 2012-2023 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
+   <https://www.gnu.org/licenses/>.  */
+
+#if !defined (_SYS_AUXV_H) && !defined (_LINUX_ARM_SYSDEP_H)
+# error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
+#endif
+
+/* The following must match the kernel's <asm/hwcap.h>.  */
+#define HWCAP_ARM_SWP		1
+#define HWCAP_ARM_HALF		2
+#define HWCAP_ARM_THUMB		4
+#define HWCAP_ARM_26BIT		8
+#define HWCAP_ARM_FAST_MULT	16
+#define HWCAP_ARM_FPA		32
+#define HWCAP_ARM_VFP		64
+#define HWCAP_ARM_EDSP		128
+#define HWCAP_ARM_JAVA		256
+#define HWCAP_ARM_IWMMXT	512
+#define HWCAP_ARM_CRUNCH	1024
+#define HWCAP_ARM_THUMBEE	2048
+#define HWCAP_ARM_NEON		4096
+#define HWCAP_ARM_VFPv3		8192
+#define HWCAP_ARM_VFPv3D16	16384
+#define HWCAP_ARM_TLS		32768
+#define HWCAP_ARM_VFPv4		65536
+#define HWCAP_ARM_IDIVA		131072
+#define HWCAP_ARM_IDIVT		262144
+#define HWCAP_ARM_VFPD32	524288
+#define HWCAP_ARM_LPAE		1048576
+#define HWCAP_ARM_EVTSTRM	2097152
+#define HWCAP_FPHP		4194304
+#define HWCAP_ASIMDHP		8388608
+#define HWCAP_ASIMDDP		16777216
+#define HWCAP_ASIMDFHM		33554432
+#define HWCAP_ASIMDBF16		67108864
+#define HWCAP_I8MM		134217728