Merge pull request #6212 from ziglang/update-glibc

Update to glibc 2.32

7 files changed, 22 insertions, 183 deletions

diff --git a/lib/libc/include/i386-linux-gnu/bits/fenv.h b/lib/libc/include/i386-linux-gnu/bits/fenv.h
index 3164b63556..b504e27b15 100644
--- a/lib/libc/include/i386-linux-gnu/bits/fenv.h
+++ b/lib/libc/include/i386-linux-gnu/bits/fenv.h
@@ -113,58 +113,4 @@ femode_t;
 
 /* Default floating-point control modes.  */
 # define FE_DFL_MODE	((const femode_t *) -1L)
-#endif
-
-
-#ifdef __USE_EXTERN_INLINES
-__BEGIN_DECLS
-
-/* Optimized versions.  */
-#ifndef _LIBC
-extern int __REDIRECT_NTH (__feraiseexcept_renamed, (int), feraiseexcept);
-#endif
-__extern_always_inline void
-__NTH (__feraiseexcept_invalid_divbyzero (int __excepts))
-{
-  if ((FE_INVALID & __excepts) != 0)
-    {
-      /* One example of an invalid operation is 0.0 / 0.0.  */
-      float __f = 0.0;
-
-# ifdef __SSE_MATH__
-      __asm__ __volatile__ ("divss %0, %0 " : : "x" (__f));
-# else
-      __asm__ __volatile__ ("fdiv %%st, %%st(0); fwait"
-			    : "=t" (__f) : "0" (__f));
-# endif
-      (void) &__f;
-    }
-  if ((FE_DIVBYZERO & __excepts) != 0)
-    {
-      float __f = 1.0;
-      float __g = 0.0;
-
-# ifdef __SSE_MATH__
-      __asm__ __volatile__ ("divss %1, %0" : : "x" (__f), "x" (__g));
-# else
-      __asm__ __volatile__ ("fdivp %%st, %%st(1); fwait"
-			    : "=t" (__f) : "0" (__f), "u" (__g) : "st(1)");
-# endif
-      (void) &__f;
-    }
-}
-__extern_inline int
-__NTH (feraiseexcept (int __excepts))
-{
-  if (__builtin_constant_p (__excepts)
-      && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0)
-    {
-      __feraiseexcept_invalid_divbyzero (__excepts);
-      return 0;
-    }
-
-  return __feraiseexcept_renamed (__excepts);
-}
-
-__END_DECLS
 #endif
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/long-double.h b/lib/libc/include/i386-linux-gnu/bits/long-double.h
index a7bd8fb163..75bc1fcce4 100644
--- a/lib/libc/include/i386-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/i386-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/i386-linux-gnu/bits/select.h b/lib/libc/include/i386-linux-gnu/bits/select.h
deleted file mode 100644
index 959d998266..0000000000
--- a/lib/libc/include/i386-linux-gnu/bits/select.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/* Copyright (C) 1997-2020 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_SELECT_H
-# error "Never use <bits/select.h> directly; include <sys/select.h> instead."
-#endif
-
-#include <bits/wordsize.h>
-
-
-#if defined __GNUC__ && __GNUC__ >= 2
-
-# if __WORDSIZE == 64
-#  define __FD_ZERO_STOS "stosq"
-# else
-#  define __FD_ZERO_STOS "stosl"
-# endif
-
-# define __FD_ZERO(fdsp) \
-  do {									      \
-    int __d0, __d1;							      \
-    __asm__ __volatile__ ("cld; rep; " __FD_ZERO_STOS			      \
-			  : "=c" (__d0), "=D" (__d1)			      \
-			  : "a" (0), "0" (sizeof (fd_set)		      \
-					  / sizeof (__fd_mask)),	      \
-			    "1" (&__FDS_BITS (fdsp)[0])			      \
-			  : "memory");					      \
-  } while (0)
-
-#else	/* ! GNU CC */
-
-/* We don't use `memset' because this would require a prototype and
-   the array isn't too big.  */
-# define __FD_ZERO(set)  \
-  do {									      \
-    unsigned int __i;							      \
-    fd_set *__arr = (set);						      \
-    for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i)	      \
-      __FDS_BITS (__arr)[__i] = 0;					      \
-  } while (0)
-
-#endif	/* GNU CC */
-
-#define __FD_SET(d, set) \
-  ((void) (__FDS_BITS (set)[__FD_ELT (d)] |= __FD_MASK (d)))
-#define __FD_CLR(d, set) \
-  ((void) (__FDS_BITS (set)[__FD_ELT (d)] &= ~__FD_MASK (d)))
-#define __FD_ISSET(d, set) \
-  ((__FDS_BITS (set)[__FD_ELT (d)] & __FD_MASK (d)) != 0)
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/semaphore.h b/lib/libc/include/i386-linux-gnu/bits/semaphore.h
deleted file mode 100644
index 7f41d9a880..0000000000
--- a/lib/libc/include/i386-linux-gnu/bits/semaphore.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
-   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 _SEMAPHORE_H
-# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
-#endif
-
-#include <bits/wordsize.h>
-
-#if __WORDSIZE == 64
-# define __SIZEOF_SEM_T	32
-#else
-# define __SIZEOF_SEM_T	16
-#endif
-
-
-/* Value returned if `sem_open' failed.  */
-#define SEM_FAILED      ((sem_t *) 0)
-
-
-typedef union
-{
-  char __size[__SIZEOF_SEM_T];
-  long int __align;
-} sem_t;
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/sysctl.h b/lib/libc/include/i386-linux-gnu/bits/sysctl.h
deleted file mode 100644
index 5e2b946cdf..0000000000
--- a/lib/libc/include/i386-linux-gnu/bits/sysctl.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Copyright (C) 2012-2020 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/>.  */
-
-#if defined __x86_64__ && defined __ILP32__
-# error "sysctl system call is unsupported in x32 kernel"
-#endif
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/sem-pad.h b/lib/libc/include/i386-linux-gnu/bits/types/struct_semid_ds.h
index 10534c61cf..ea9721c6bd 100644
--- a/lib/libc/include/i386-linux-gnu/bits/sem-pad.h
+++ b/lib/libc/include/i386-linux-gnu/bits/types/struct_semid_ds.h
@@ -1,5 +1,5 @@
-/* Define where padding goes in struct semid_ds.  x86 version.
-   Copyright (C) 2018-2020 Free Software Foundation, Inc.
+/* x86 implementation of the semaphore struct semid_ds.
+   Copyright (C) 1995-2020 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
@@ -17,8 +17,18 @@
    <https://www.gnu.org/licenses/>.  */
 
 #ifndef _SYS_SEM_H
-# error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
+# error "Never include <bits/types/struct_semid_ds.h> directly; use <sys/sem.h> instead."
 #endif
 
-#define __SEM_PAD_AFTER_TIME 1
-#define __SEM_PAD_BEFORE_TIME 0
\ No newline at end of file
+/* Data structure describing a set of semaphores.  */
+struct semid_ds
+{
+  struct ipc_perm sem_perm;   /* operation permission struct */
+  __time_t sem_otime;  /* last semop() time */
+  __syscall_ulong_t __sem_otime_high;
+  __time_t sem_ctime;  /* last time changed by semctl() */
+  __syscall_ulong_t __sem_ctime_high;
+  __syscall_ulong_t sem_nsems;    /* number of semaphores in set */
+  __syscall_ulong_t __glibc_reserved3;
+  __syscall_ulong_t __glibc_reserved4;
+};
\ No newline at end of file
diff --git a/lib/libc/include/i386-linux-gnu/bits/typesizes.h b/lib/libc/include/i386-linux-gnu/bits/typesizes.h
index 7ad60c3f43..53ae0bd5ef 100644
--- a/lib/libc/include/i386-linux-gnu/bits/typesizes.h
+++ b/lib/libc/include/i386-linux-gnu/bits/typesizes.h
@@ -64,6 +64,7 @@
 #define __TIME_T_TYPE		__SYSCALL_SLONG_TYPE
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SYSCALL_SLONG_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
@@ -87,10 +88,15 @@
 
 /* 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 1
 #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'.  */