Merge pull request #6212 from ziglang/update-glibc

Update to glibc 2.32

5 files changed, 81 insertions, 108 deletions

diff --git a/lib/libc/include/aarch64-linux-gnu/bits/floatn.h b/lib/libc/include/aarch64-linux-gnu/bits/floatn.h
deleted file mode 100644
index a4045e43a3..0000000000
--- a/lib/libc/include/aarch64-linux-gnu/bits/floatn.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/* Macros to control TS 18661-3 glibc features on ldbl-128 platforms.
-   Copyright (C) 2017-2020 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
-   <https://www.gnu.org/licenses/>.  */
-
-#ifndef _BITS_FLOATN_H
-#define _BITS_FLOATN_H
-
-#include <features.h>
-#include <bits/long-double.h>
-
-/* Defined to 1 if the current compiler invocation provides a
-   floating-point type with the IEEE 754 binary128 format, and this
-   glibc includes corresponding *f128 interfaces for it.  */
-#ifndef __NO_LONG_DOUBLE_MATH
-# define __HAVE_FLOAT128 1
-#else
-/* glibc does not support _Float128 for platforms where long double is
-   normally binary128 when building with long double as binary64.
-   GCC's default for supported scalar modes does not support it either
-   in that case.  */
-# define __HAVE_FLOAT128 0
-#endif
-
-/* Defined to 1 if __HAVE_FLOAT128 is 1 and the type is ABI-distinct
-   from the default float, double and long double types in this glibc.  */
-#define __HAVE_DISTINCT_FLOAT128 0
-
-/* Defined to 1 if the current compiler invocation provides a
-   floating-point type with the right format for _Float64x, and this
-   glibc includes corresponding *f64x interfaces for it.  */
-#define __HAVE_FLOAT64X __HAVE_FLOAT128
-
-/* Defined to 1 if __HAVE_FLOAT64X is 1 and _Float64x has the format
-   of long double.  Otherwise, if __HAVE_FLOAT64X is 1, _Float64x has
-   the format of _Float128, which must be different from that of long
-   double.  */
-#define __HAVE_FLOAT64X_LONG_DOUBLE __HAVE_FLOAT128
-
-#ifndef __ASSEMBLER__
-
-/* Defined to concatenate the literal suffix to be used with _Float128
-   types, if __HAVE_FLOAT128 is 1. */
-# if __HAVE_FLOAT128
-#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
-/* The literal suffix f128 exists only since GCC 7.0.  */
-#   define __f128(x) x##l
-#  else
-#   define __f128(x) x##f128
-#  endif
-# endif
-
-/* Defined to a complex binary128 type if __HAVE_FLOAT128 is 1.  */
-# if __HAVE_FLOAT128
-#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
-#   define __CFLOAT128 _Complex long double
-#  else
-#   define __CFLOAT128 _Complex _Float128
-#  endif
-# endif
-
-/* The remaining of this file provides support for older compilers.  */
-# if __HAVE_FLOAT128
-
-/* The type _Float128 exists only since GCC 7.0.  */
-#  if !__GNUC_PREREQ (7, 0) || defined __cplusplus
-typedef long double _Float128;
-#  endif
-
-/* Various built-in functions do not exist before GCC 7.0.  */
-#  if !__GNUC_PREREQ (7, 0)
-#   define __builtin_huge_valf128() (__builtin_huge_vall ())
-#   define __builtin_inff128() (__builtin_infl ())
-#   define __builtin_nanf128(x) (__builtin_nanl (x))
-#   define __builtin_nansf128(x) (__builtin_nansl (x))
-#  endif
-
-# endif
-
-#endif /* !__ASSEMBLER__.  */
-
-#include <bits/floatn-common.h>
-
-#endif /* _BITS_FLOATN_H */
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/hwcap.h b/lib/libc/include/aarch64-linux-gnu/bits/hwcap.h
index cf38b9d8b7..9f3cadf056 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/hwcap.h
@@ -53,4 +53,23 @@
 #define HWCAP_SSBS		(1 << 28)
 #define HWCAP_SB		(1 << 29)
 #define HWCAP_PACA		(1 << 30)
-#define HWCAP_PACG		(1UL << 31)
\ No newline at end of file
+#define HWCAP_PACG		(1UL << 31)
+
+#define HWCAP2_DCPODP		(1 << 0)
+#define HWCAP2_SVE2		(1 << 1)
+#define HWCAP2_SVEAES		(1 << 2)
+#define HWCAP2_SVEPMULL		(1 << 3)
+#define HWCAP2_SVEBITPERM	(1 << 4)
+#define HWCAP2_SVESHA3		(1 << 5)
+#define HWCAP2_SVESM4		(1 << 6)
+#define HWCAP2_FLAGM2		(1 << 7)
+#define HWCAP2_FRINT		(1 << 8)
+#define HWCAP2_SVEI8MM		(1 << 9)
+#define HWCAP2_SVEF32MM		(1 << 10)
+#define HWCAP2_SVEF64MM		(1 << 11)
+#define HWCAP2_SVEBF16		(1 << 12)
+#define HWCAP2_I8MM		(1 << 13)
+#define HWCAP2_BF16		(1 << 14)
+#define HWCAP2_DGH		(1 << 15)
+#define HWCAP2_RNG		(1 << 16)
+#define HWCAP2_BTI		(1 << 17)
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/long-double.h b/lib/libc/include/aarch64-linux-gnu/bits/long-double.h
index ce06962796..f95b24f8e7 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/long-double.h
@@ -18,4 +18,4 @@
 
 /* long double is distinct from double, so there is nothing to
    define here.  */
-#define __LONG_DOUBLE_USES_FLOAT128 0
\ No newline at end of file
+#define __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI 0
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/mman.h b/lib/libc/include/aarch64-linux-gnu/bits/mman.h
new file mode 100644
index 0000000000..da9c3b862f
--- /dev/null
+++ b/lib/libc/include/aarch64-linux-gnu/bits/mman.h
@@ -0,0 +1,31 @@
+/* Definitions for POSIX memory map interface.  Linux/AArch64 version.
+   Copyright (C) 2020 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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
+#endif
+
+/* AArch64 specific definitions, should be in sync with
+   arch/arm64/include/uapi/asm/mman.h.  */
+
+#define PROT_BTI	0x10
+
+#include <bits/mman-map-flags-generic.h>
+
+/* Include generic Linux declarations.  */
+#include <bits/mman-linux.h>
\ No newline at end of file
diff --git a/lib/libc/include/aarch64-linux-gnu/bits/typesizes.h b/lib/libc/include/aarch64-linux-gnu/bits/typesizes.h
index d9e9b274ac..a5f4c78b94 100644
--- a/lib/libc/include/aarch64-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/aarch64-linux-gnu/bits/typesizes.h
@@ -26,31 +26,45 @@
 
 /* See <bits/types.h> for the meaning of these macros.  This file exists so
    that <bits/types.h> need not vary across different GNU platforms.  */
+#if __TIMESIZE == 64 && __WORDSIZE == 32
+/* These are the "new" y2038 types defined for architectures added after
+   the 5.1 kernel.  */
+# define __INO_T_TYPE		__UQUAD_TYPE
+# define __OFF_T_TYPE		__SQUAD_TYPE
+# define __RLIM_T_TYPE		__UQUAD_TYPE
+# define __BLKCNT_T_TYPE	__SQUAD_TYPE
+# define __FSBLKCNT_T_TYPE	__UQUAD_TYPE
+# define __FSFILCNT_T_TYPE	__UQUAD_TYPE
+# define __TIME_T_TYPE		__SQUAD_TYPE
+# define __SUSECONDS_T_TYPE	__SQUAD_TYPE
+#else
+# define __INO_T_TYPE		__ULONGWORD_TYPE
+# define __OFF_T_TYPE		__SLONGWORD_TYPE
+# define __RLIM_T_TYPE		__ULONGWORD_TYPE
+# define __BLKCNT_T_TYPE	__SLONGWORD_TYPE
+# define __FSBLKCNT_T_TYPE	__ULONGWORD_TYPE
+# define __FSFILCNT_T_TYPE	__ULONGWORD_TYPE
+# define __TIME_T_TYPE		__SLONGWORD_TYPE
+# define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
+#endif
 
 #define __DEV_T_TYPE		__UQUAD_TYPE
 #define __UID_T_TYPE		__U32_TYPE
 #define __GID_T_TYPE		__U32_TYPE
-#define __INO_T_TYPE		__ULONGWORD_TYPE
 #define __INO64_T_TYPE		__UQUAD_TYPE
 #define __MODE_T_TYPE		__U32_TYPE
 #define __NLINK_T_TYPE		__U32_TYPE
-#define __OFF_T_TYPE		__SLONGWORD_TYPE
 #define __OFF64_T_TYPE		__SQUAD_TYPE
 #define __PID_T_TYPE		__S32_TYPE
-#define __RLIM_T_TYPE		__ULONGWORD_TYPE
 #define __RLIM64_T_TYPE		__UQUAD_TYPE
-#define	__BLKCNT_T_TYPE		__SLONGWORD_TYPE
 #define	__BLKCNT64_T_TYPE	__SQUAD_TYPE
-#define	__FSBLKCNT_T_TYPE	__ULONGWORD_TYPE
 #define	__FSBLKCNT64_T_TYPE	__UQUAD_TYPE
-#define	__FSFILCNT_T_TYPE	__ULONGWORD_TYPE
 #define	__FSFILCNT64_T_TYPE	__UQUAD_TYPE
 #define	__FSWORD_T_TYPE		__SWORD_TYPE
 #define	__ID_T_TYPE		__U32_TYPE
 #define __CLOCK_T_TYPE		__SLONGWORD_TYPE
-#define __TIME_T_TYPE		__SLONGWORD_TYPE
 #define __USECONDS_T_TYPE	__U32_TYPE
-#define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
+#define __SUSECONDS64_T_TYPE	__SQUAD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
@@ -62,7 +76,7 @@
 #define __SYSCALL_ULONG_TYPE	__ULONGWORD_TYPE
 #define __CPU_MASK_TYPE 	__ULONGWORD_TYPE
 
-#ifdef __LP64__
+#if defined __LP64__ || (__TIMESIZE == 64 && __WORDSIZE == 32)
 /* Tell the libc code that off_t and off64_t are actually the same type
    for all ABI purposes, even if possibly expressed as different base types
    for C type-checking purposes.  */
@@ -76,11 +90,17 @@
 
 /* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t.  */
 # define __STATFS_MATCHES_STATFS64  1
+
+/* And for getitimer, setitimer and rusage  */
+# define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 (__WORDSIZE == 64)
 #else
 # define __RLIM_T_MATCHES_RLIM64_T	0
 
 # define __STATFS_MATCHES_STATFS64  0
+
+# define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 0
 #endif
+
 /* Number of descriptors that can fit in an `fd_set'.  */
 #define	__FD_SETSIZE		1024