summary refs log tree commit diff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--ChangeLog30
-rw-r--r--bits/types/__cancel_jmp_buf_tag.h28
-rw-r--r--nptl/Makefile3
-rw-r--r--nptl/descr.h3
-rw-r--r--sysdeps/i386/nptl/tcb-offsets.sym1
-rw-r--r--sysdeps/i386/nptl/tls.h4
-rw-r--r--sysdeps/nptl/pthread.h7
-rw-r--r--sysdeps/unix/sysv/linux/hppa/pthread.h7
-rw-r--r--sysdeps/unix/sysv/linux/x86/bits/types/__cancel_jmp_buf_tag.h31
-rw-r--r--sysdeps/unix/sysv/linux/x86/nptl/pthreadP.h36
-rw-r--r--sysdeps/unix/sysv/linux/x86/pthreaddef.h22
-rw-r--r--sysdeps/x86_64/nptl/tcb-offsets.sym1
-rw-r--r--sysdeps/x86_64/nptl/tls.h5
13 files changed, 42 insertions, 136 deletions
diff --git a/ChangeLog b/ChangeLog
index 9eedd2bb72..f0db580588 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,33 @@
+2018-01-24  Carlos O'Donll  <carlos@redhat.com>
+
+	Revert:
+
+	2017-12-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #22563]
+	* sysdeps/i386/nptl/tcb-offsets.sym (FEATURE_1_OFFSET): New.
+	* sysdeps/i386/nptl/tls.h (tcbhead_t): Add feature_1.
+	* sysdeps/x86_64/nptl/tcb-offsets.sym (FEATURE_1_OFFSET): New.
+	* sysdeps/x86_64/nptl/tls.h (tcbhead_t): Rename __glibc_unused1
+	to feature_1.
+
+	2017-12-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #22563]
+	* bits/types/__cancel_jmp_buf_tag.h: New file.
+	* sysdeps/unix/sysv/linux/x86/bits/types/__cancel_jmp_buf_tag.h
+	* sysdeps/unix/sysv/linux/x86/pthreaddef.h: Likewise.
+	* sysdeps/unix/sysv/linux/x86/nptl/pthreadP.h: Likewise.
+	* nptl/Makefile (headers): Add
+	bits/types/__cancel_jmp_buf_tag.h.
+	* nptl/descr.h [NEED_SAVED_MASK_IN_CANCEL_JMP_BUF]
+	(pthread_unwind_buf): Add saved_mask to cancel_jmp_buf.
+	* sysdeps/nptl/pthread.h: Include
+	<bits/types/__cancel_jmp_buf_tag.h>.
+	(__pthread_unwind_buf_t): Use struct __cancel_jmp_buf_tag with
+	__cancel_jmp_buf.
+	* sysdeps/unix/sysv/linux/hppa/pthread.h: Likewise.
+
 2018-01-25  Rafal Luzynski  <digitalfreak@lingonborough.com>
 
 	[BZ #10871]
diff --git a/bits/types/__cancel_jmp_buf_tag.h b/bits/types/__cancel_jmp_buf_tag.h
deleted file mode 100644
index 62f5c61f83..0000000000
--- a/bits/types/__cancel_jmp_buf_tag.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Define struct __cancel_jmp_buf_tag.
-   Copyright (C) 2017-2018 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 ____cancel_jmp_buf_tag_defined
-#define ____cancel_jmp_buf_tag_defined 1
-
-struct __cancel_jmp_buf_tag
-  {
-    __jmp_buf __cancel_jmp_buf;
-    int __mask_was_saved;
-  };
-
-#endif
diff --git a/nptl/Makefile b/nptl/Makefile
index 7940b3d26b..6fc2c8bb6a 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -22,8 +22,7 @@ subdir	:= nptl
 
 include ../Makeconfig
 
-headers := pthread.h semaphore.h bits/semaphore.h \
-	   bits/types/__cancel_jmp_buf_tag.h
+headers := pthread.h semaphore.h bits/semaphore.h
 
 extra-libs := libpthread
 extra-libs-others := $(extra-libs)
diff --git a/nptl/descr.h b/nptl/descr.h
index 1cc6b09d1e..64ba29e1cb 100644
--- a/nptl/descr.h
+++ b/nptl/descr.h
@@ -65,9 +65,6 @@ struct pthread_unwind_buf
   {
     __jmp_buf jmp_buf;
     int mask_was_saved;
-#ifdef NEED_SAVED_MASK_IN_CANCEL_JMP_BUF
-    __sigset_t saved_mask;
-#endif
   } cancel_jmp_buf[1];
 
   union
diff --git a/sysdeps/i386/nptl/tcb-offsets.sym b/sysdeps/i386/nptl/tcb-offsets.sym
index 250f1a6e13..695a810386 100644
--- a/sysdeps/i386/nptl/tcb-offsets.sym
+++ b/sysdeps/i386/nptl/tcb-offsets.sym
@@ -15,4 +15,3 @@ POINTER_GUARD		offsetof (tcbhead_t, pointer_guard)
 #ifndef __ASSUME_PRIVATE_FUTEX
 PRIVATE_FUTEX		offsetof (tcbhead_t, private_futex)
 #endif
-FEATURE_1_OFFSET	offsetof (tcbhead_t, feature_1)
diff --git a/sysdeps/i386/nptl/tls.h b/sysdeps/i386/nptl/tls.h
index 30643d452a..fcda135b7c 100644
--- a/sysdeps/i386/nptl/tls.h
+++ b/sysdeps/i386/nptl/tls.h
@@ -50,10 +50,6 @@ typedef struct
   void *__private_tm[4];
   /* GCC split stack support.  */
   void *__private_ss;
-  /* Bit 0: IBT.
-     Bit 1: SHSTK.
-   */
-  unsigned int feature_1;
 } tcbhead_t;
 
 # define TLS_MULTIPLE_THREADS_IN_TCB 1
diff --git a/sysdeps/nptl/pthread.h b/sysdeps/nptl/pthread.h
index c8ba5a75c5..df049abf74 100644
--- a/sysdeps/nptl/pthread.h
+++ b/sysdeps/nptl/pthread.h
@@ -27,7 +27,6 @@
 #include <bits/setjmp.h>
 #include <bits/wordsize.h>
 #include <bits/types/struct_timespec.h>
-#include <bits/types/__cancel_jmp_buf_tag.h>
 
 
 /* Detach state.  */
@@ -524,7 +523,11 @@ extern void pthread_testcancel (void);
 
 typedef struct
 {
-  struct __cancel_jmp_buf_tag __cancel_jmp_buf[1];
+  struct
+  {
+    __jmp_buf __cancel_jmp_buf;
+    int __mask_was_saved;
+  } __cancel_jmp_buf[1];
   void *__pad[4];
 } __pthread_unwind_buf_t __attribute__ ((__aligned__));
 
diff --git a/sysdeps/unix/sysv/linux/hppa/pthread.h b/sysdeps/unix/sysv/linux/hppa/pthread.h
index 3df5e7c2ac..11a024db59 100644
--- a/sysdeps/unix/sysv/linux/hppa/pthread.h
+++ b/sysdeps/unix/sysv/linux/hppa/pthread.h
@@ -27,7 +27,6 @@
 #include <bits/setjmp.h>
 #include <bits/wordsize.h>
 #include <bits/types/struct_timespec.h>
-#include <bits/types/__cancel_jmp_buf_tag.h>
 
 
 /* Detach state.  */
@@ -500,7 +499,11 @@ extern void pthread_testcancel (void);
 
 typedef struct
 {
-  struct __cancel_jmp_buf_tag __cancel_jmp_buf[1];
+  struct
+  {
+    __jmp_buf __cancel_jmp_buf;
+    int __mask_was_saved;
+  } __cancel_jmp_buf[1];
   void *__pad[4];
 } __pthread_unwind_buf_t __attribute__ ((__aligned__));
 
diff --git a/sysdeps/unix/sysv/linux/x86/bits/types/__cancel_jmp_buf_tag.h b/sysdeps/unix/sysv/linux/x86/bits/types/__cancel_jmp_buf_tag.h
deleted file mode 100644
index 70efbb190c..0000000000
--- a/sysdeps/unix/sysv/linux/x86/bits/types/__cancel_jmp_buf_tag.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/* Define struct __cancel_jmp_buf_tag.
-   Copyright (C) 2017-2018 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 ____cancel_jmp_buf_tag_defined
-#define ____cancel_jmp_buf_tag_defined 1
-
-#include <bits/types/__sigset_t.h>
-
-struct __cancel_jmp_buf_tag
-  {
-    __jmp_buf __cancel_jmp_buf;
-    int __mask_was_saved;
-    __sigset_t __saved_mask;
-  };
-
-#endif
diff --git a/sysdeps/unix/sysv/linux/x86/nptl/pthreadP.h b/sysdeps/unix/sysv/linux/x86/nptl/pthreadP.h
deleted file mode 100644
index 247a62e9a0..0000000000
--- a/sysdeps/unix/sysv/linux/x86/nptl/pthreadP.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* Internal pthread header.  Linux/x86 version.
-   Copyright (C) 2017-2018 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_next <nptl/pthreadP.h>
-
-#ifndef _PTHREADP_H_X86
-#define _PTHREADP_H_X86 1
-
-extern struct pthread_unwind_buf ____pthread_unwind_buf_private;
-
-_Static_assert (sizeof (____pthread_unwind_buf_private.cancel_jmp_buf)
-		>= sizeof (struct __jmp_buf_tag),
-		"size of cancel_jmp_buf < sizeof __jmp_buf_tag");
-
-extern __pthread_unwind_buf_t ____pthread_unwind_buf;
-
-_Static_assert (sizeof (____pthread_unwind_buf.__cancel_jmp_buf)
-		>= sizeof (struct __jmp_buf_tag),
-		"size of __cancel_jmp_buf < sizeof __jmp_buf_tag");
-
-#endif
diff --git a/sysdeps/unix/sysv/linux/x86/pthreaddef.h b/sysdeps/unix/sysv/linux/x86/pthreaddef.h
deleted file mode 100644
index a405a65666..0000000000
--- a/sysdeps/unix/sysv/linux/x86/pthreaddef.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Pthread macros.  Linux/x86 version.
-   Copyright (C) 2017-2018 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_next <pthreaddef.h>
-
-/* Need saved_mask in cancel_jmp_buf.  */
-#define NEED_SAVED_MASK_IN_CANCEL_JMP_BUF 1
diff --git a/sysdeps/x86_64/nptl/tcb-offsets.sym b/sysdeps/x86_64/nptl/tcb-offsets.sym
index 03b6dba5c3..8a25c482cb 100644
--- a/sysdeps/x86_64/nptl/tcb-offsets.sym
+++ b/sysdeps/x86_64/nptl/tcb-offsets.sym
@@ -15,7 +15,6 @@ VGETCPU_CACHE_OFFSET	offsetof (tcbhead_t, vgetcpu_cache)
 #ifndef __ASSUME_PRIVATE_FUTEX
 PRIVATE_FUTEX		offsetof (tcbhead_t, private_futex)
 #endif
-FEATURE_1_OFFSET	offsetof (tcbhead_t, feature_1)
 
 -- Not strictly offsets, but these values are also used in the TCB.
 TCB_CANCELSTATE_BITMASK	 CANCELSTATE_BITMASK
diff --git a/sysdeps/x86_64/nptl/tls.h b/sysdeps/x86_64/nptl/tls.h
index 7f0b292f42..bdd02376f9 100644
--- a/sysdeps/x86_64/nptl/tls.h
+++ b/sysdeps/x86_64/nptl/tls.h
@@ -56,10 +56,7 @@ typedef struct
 # else
   int __glibc_reserved1;
 # endif
-  /* Bit 0: IBT.
-     Bit 1: SHSTK.
-   */
-  unsigned int feature_1;
+  int __glibc_unused1;
   /* Reservation of some values for the TM ABI.  */
   void *__private_tm[4];
   /* GCC split stack support.  */
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-12-04 15:14:16 +0000