Merge pull request #6212 from ziglang/update-glibc

Update to glibc 2.32

11 files changed, 137 insertions, 225 deletions

diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/fenvinline.h b/lib/libc/include/powerpc64-linux-gnu/bits/fenvinline.h
deleted file mode 100644
index 695d3a395d..0000000000
--- a/lib/libc/include/powerpc64-linux-gnu/bits/fenvinline.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/* Inline floating-point environment handling functions for powerpc.
-   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
-   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 __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_FPRS__
-
-/* Inline definitions for fegetround.  */
-# define __fegetround_ISA300()						\
-  (__extension__  ({							\
-    union { double __d; unsigned long long __ll; } __u;			\
-    __asm__ __volatile__ (						\
-      ".machine push; .machine \"power9\"; mffsl %0; .machine pop"	\
-      : "=f" (__u.__d));						\
-    __u.__ll & 0x0000000000000003LL;					\
-  }))
-
-# define __fegetround_ISA2()						\
-  (__extension__  ({							\
-     int __fegetround_result;						\
-     __asm__ __volatile__ ("mcrfs 7,7 ; mfcr %0"			\
-			   : "=r"(__fegetround_result) : : "cr7");	\
-     __fegetround_result & 3;						\
-  }))
-
-# ifdef _ARCH_PWR9
-#  define __fegetround() __fegetround_ISA300()
-# elif defined __BUILTIN_CPU_SUPPORTS__
-#  define __fegetround()						\
-  (__glibc_likely (__builtin_cpu_supports ("arch_3_00"))		\
-   ? __fegetround_ISA300()						\
-   : __fegetround_ISA2()						\
-  )
-# else
-#  define __fegetround() __fegetround_ISA2()
-# endif
-
-# define fegetround() __fegetround ()
-
-# ifndef __NO_MATH_INLINES
-/* The weird 'i#*X' constraints on the following suppress a gcc
-   warning when __excepts is not a constant.  Otherwise, they mean the
-   same as just plain 'i'.  */
-
-#  if __GNUC_PREREQ(3, 4)
-
-/* Inline definition for feraiseexcept.  */
-#   define feraiseexcept(__excepts) \
-  (__extension__  ({ 							      \
-    int __e = __excepts;						      \
-    int __ret;								      \
-    if (__builtin_constant_p (__e)					      \
-        && (__e & (__e - 1)) == 0					      \
-        && __e != FE_INVALID)						      \
-      {									      \
-	if (__e != 0)							      \
-	  __asm__ __volatile__ ("mtfsb1 %0"				      \
-				: : "i#*X" (__builtin_clz (__e)));	      \
-        __ret = 0;							      \
-      }									      \
-    else								      \
-      __ret = feraiseexcept (__e);					      \
-    __ret;								      \
-  }))
-
-/* Inline definition for feclearexcept.  */
-#   define feclearexcept(__excepts) \
-  (__extension__  ({ 							      \
-    int __e = __excepts;						      \
-    int __ret;								      \
-    if (__builtin_constant_p (__e)					      \
-        && (__e & (__e - 1)) == 0					      \
-        && __e != FE_INVALID)						      \
-      {									      \
-	if (__e != 0)							      \
-	  __asm__ __volatile__ ("mtfsb0 %0"				      \
-				: : "i#*X" (__builtin_clz (__e)));	      \
-        __ret = 0;							      \
-      }									      \
-    else								      \
-      __ret = feclearexcept (__e);					      \
-    __ret;								      \
-  }))
-
-#  endif /* __GNUC_PREREQ(3, 4).  */
-
-# endif /* !__NO_MATH_INLINES.  */
-
-#endif /* __GNUC__ && !_SOFT_FLOAT && !__NO_FPRS__ */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/hwcap.h b/lib/libc/include/powerpc64-linux-gnu/bits/hwcap.h
index 335efbd0aa..5719e16ac2 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/hwcap.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/hwcap.h
@@ -73,4 +73,6 @@
 #define PPC_FEATURE2_DARN	   0x00200000 /* darn instruction.  */
 #define PPC_FEATURE2_SCV	   0x00100000 /* scv syscall.  */
 #define PPC_FEATURE2_HTM_NO_SUSPEND  0x00080000 /* TM without suspended
-						   state.  */
\ No newline at end of file
+						   state.  */
+#define PPC_FEATURE2_ARCH_3_1	   0x00040000 /* ISA 3.1.  */
+#define PPC_FEATURE2_MMA	   0x00020000 /* Matrix-Multiply Assist.  */
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/iscanonical.h b/lib/libc/include/powerpc64-linux-gnu/bits/iscanonical.h
index 8818d6fa08..c94a446c49 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/iscanonical.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/iscanonical.h
@@ -20,7 +20,7 @@
 # error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
 #endif
 
-#ifdef __NO_LONG_DOUBLE_MATH
+#if defined (__NO_LONG_DOUBLE_MATH) || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
 # define iscanonical(x) ((void) (__typeof (x)) (x), 1)
 #else
 extern int __iscanonicall (long double __x)
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/long-double.h b/lib/libc/include/powerpc64-linux-gnu/bits/long-double.h
index 391f7d62fe..b37f1929bd 100644
--- a/lib/libc/include/powerpc64-linux-gnu/bits/long-double.h
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/long-double.h
@@ -22,4 +22,4 @@
 #  define __NO_LONG_DOUBLE_MATH		1
 # endif
 #endif
-#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/powerpc64-linux-gnu/bits/msq-pad.h b/lib/libc/include/powerpc64-linux-gnu/bits/msq-pad.h
deleted file mode 100644
index c72a8507da..0000000000
--- a/lib/libc/include/powerpc64-linux-gnu/bits/msq-pad.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* Define where padding goes in struct msqid_ds.  PowerPC version.
-   Copyright (C) 2018-2020 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_MSG_H
-# error "Never use <bits/msq-pad.h> directly; include <sys/msg.h> instead."
-#endif
-
-#include <bits/timesize.h>
-
-#define __MSQ_PAD_AFTER_TIME 0
-#define __MSQ_PAD_BEFORE_TIME (__TIMESIZE == 32)
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/sem-pad.h b/lib/libc/include/powerpc64-linux-gnu/bits/sem-pad.h
deleted file mode 100644
index e6aca78279..0000000000
--- a/lib/libc/include/powerpc64-linux-gnu/bits/sem-pad.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* Define where padding goes in struct semid_ds.  PowerPC version.
-   Copyright (C) 2018-2020 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_SEM_H
-# error "Never use <bits/sem-pad.h> directly; include <sys/sem.h> instead."
-#endif
-
-#include <bits/timesize.h>
-
-#define __SEM_PAD_AFTER_TIME 0
-#define __SEM_PAD_BEFORE_TIME (__TIMESIZE == 32)
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/semaphore.h b/lib/libc/include/powerpc64-linux-gnu/bits/semaphore.h
deleted file mode 100644
index d8dd45053b..0000000000
--- a/lib/libc/include/powerpc64-linux-gnu/bits/semaphore.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* Machine-specific POSIX semaphore type layouts.  PowerPC version.
-   Copyright (C) 2003-2020 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
-
-   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/powerpc64-linux-gnu/bits/shm-pad.h b/lib/libc/include/powerpc64-linux-gnu/bits/shm-pad.h
deleted file mode 100644
index 950fc7d5b5..0000000000
--- a/lib/libc/include/powerpc64-linux-gnu/bits/shm-pad.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Define where padding goes in struct shmid_ds.  PowerPC version.
-   Copyright (C) 2018-2020 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_SHM_H
-# error "Never use <bits/shm-pad.h> directly; include <sys/shm.h> instead."
-#endif
-
-#include <bits/timesize.h>
-
-#define __SHM_PAD_AFTER_TIME 0
-#define __SHM_PAD_BEFORE_TIME (__TIMESIZE == 32)
-#define __SHM_SEGSZ_AFTER_TIME 1
-#define __SHM_PAD_BETWEEN_TIME_AND_SEGSZ (__TIMESIZE == 32)
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/types/struct_msqid_ds.h b/lib/libc/include/powerpc64-linux-gnu/bits/types/struct_msqid_ds.h
new file mode 100644
index 0000000000..41646497c8
--- /dev/null
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/types/struct_msqid_ds.h
@@ -0,0 +1,47 @@
+/* Linux/PowerPC implementation of the SysV message struct msqid_ds.
+   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_MSG_H
+# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
+#endif
+
+/* Structure of record for one message inside the kernel.
+   The type `struct msg' is opaque.  */
+struct msqid_ds
+{
+  struct ipc_perm msg_perm;	/* structure describing operation permission */
+#if __TIMESIZE == 32
+  unsigned long int __msg_stime_high;
+  __time_t msg_stime;		/* time of last msgsnd command */
+  unsigned long int __msg_rtime_high;
+  __time_t msg_rtime;		/* time of last msgsnd command */
+  unsigned long int __msg_ctime_high;
+  __time_t msg_ctime;		/* time of last change */
+#else
+  __time_t msg_stime;		/* time of last msgsnd command */
+  __time_t msg_rtime;		/* time of last msgsnd command */
+  __time_t msg_ctime;		/* time of last change */
+#endif
+  __syscall_ulong_t __msg_cbytes; /* current number of bytes on queue */
+  msgqnum_t msg_qnum;		/* number of messages currently on queue */
+  msglen_t msg_qbytes;		/* max number of bytes allowed on queue */
+  __pid_t msg_lspid;		/* pid of last msgsnd() */
+  __pid_t msg_lrpid;		/* pid of last msgrcv() */
+  __syscall_ulong_t __glibc_reserved4;
+  __syscall_ulong_t __glibc_reserved5;
+};
\ No newline at end of file
diff --git a/lib/libc/include/powerpc64-linux-gnu/bits/types/struct_semid_ds.h b/lib/libc/include/powerpc64-linux-gnu/bits/types/struct_semid_ds.h
new file mode 100644
index 0000000000..95d8aaaee9
--- /dev/null
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/types/struct_semid_ds.h
@@ -0,0 +1,39 @@
+/* PowerPC 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
+   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_SEM_H
+# error "Never include <bits/types/struct_semid_ds.h> directly; use <sys/sem.h> instead."
+#endif
+
+/* Data structure describing a set of semaphores.  */
+struct semid_ds
+{
+  struct ipc_perm sem_perm;   /* operation permission struct */
+#if __TIMESIZE == 32
+  __syscall_ulong_t __sem_otime_high;
+  __time_t sem_otime;         /* last semop() time */
+  __syscall_ulong_t __sem_ctime_high;
+  __time_t sem_ctime;        /* last time changed by semctl() */
+#else
+  __time_t sem_otime;         /* last semop() time */
+  __time_t sem_ctime;         /* last time changed by semctl() */
+#endif
+  __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/powerpc64-linux-gnu/bits/types/struct_shmid_ds.h b/lib/libc/include/powerpc64-linux-gnu/bits/types/struct_shmid_ds.h
new file mode 100644
index 0000000000..1dfac82c03
--- /dev/null
+++ b/lib/libc/include/powerpc64-linux-gnu/bits/types/struct_shmid_ds.h
@@ -0,0 +1,46 @@
+/* Linux/PowerPC implementation of the shared memory struct shmid_ds.
+   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_SHM_H
+# error "Never include <bits/types/struct_shmid_ds.h> directly; use <sys/shm.h> instead."
+#endif
+
+/* Data structure describing a shared memory segment.  */
+struct shmid_ds
+  {
+    struct ipc_perm shm_perm;		/* operation permission struct */
+#if __TIMESIZE == 32
+    unsigned long int __shm_atime_high;
+    __time_t shm_atime;			/* time of last shmat() */
+    unsigned long int __shm_dtime_high;
+    __time_t shm_dtime;			/* time of last shmdt() */
+    unsigned long int __shm_ctime_high;
+    __time_t shm_ctime;			/* time of last change by shmctl() */
+    unsigned long int __glibc_reserved4;
+#else
+    __time_t shm_atime;			/* time of last shmat() */
+    __time_t shm_dtime;			/* time of last shmdt() */
+    __time_t shm_ctime;			/* time of last change by shmctl() */
+#endif
+    size_t shm_segsz;			/* size of segment in bytes */
+    __pid_t shm_cpid;			/* pid of creator */
+    __pid_t shm_lpid;			/* pid of last shmop */
+    shmatt_t shm_nattch;		/* number of current attaches */
+    __syscall_ulong_t __glibc_reserved5;
+    __syscall_ulong_t __glibc_reserved6;
+  };
\ No newline at end of file