diff options
Diffstat (limited to 'rseq-nptl-Add-thread_pointer.h-for-defining-__thread_poin.patch')
| -rw-r--r-- | rseq-nptl-Add-thread_pointer.h-for-defining-__thread_poin.patch | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/rseq-nptl-Add-thread_pointer.h-for-defining-__thread_poin.patch b/rseq-nptl-Add-thread_pointer.h-for-defining-__thread_poin.patch new file mode 100644 index 0000000..39c25a0 --- /dev/null +++ b/rseq-nptl-Add-thread_pointer.h-for-defining-__thread_poin.patch @@ -0,0 +1,141 @@ +From c773e8d7fb0c7a97290bd889ba984411a1952e9e Mon Sep 17 00:00:00 2001 +From: Florian Weimer <fweimer@redhat.com> +Date: Thu, 9 Dec 2021 09:49:32 +0100 +Subject: [PATCH 1/9] nptl: Add <thread_pointer.h> for defining + __thread_pointer + +<tls.h> already contains a definition that is quite similar, +but it is not consistent across architectures. + +Only architectures for which rseq support is added are covered. + +Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com> +--- + sysdeps/nptl/thread_pointer.h | 28 ++++++++++++++++++++ + sysdeps/powerpc/nptl/thread_pointer.h | 33 +++++++++++++++++++++++ + sysdeps/x86/nptl/thread_pointer.h | 38 +++++++++++++++++++++++++++ + 3 files changed, 99 insertions(+) + create mode 100644 sysdeps/nptl/thread_pointer.h + create mode 100644 sysdeps/powerpc/nptl/thread_pointer.h + create mode 100644 sysdeps/x86/nptl/thread_pointer.h + +diff --git a/sysdeps/nptl/thread_pointer.h b/sysdeps/nptl/thread_pointer.h +new file mode 100644 +index 00000000..92f2f309 +--- /dev/null ++++ b/sysdeps/nptl/thread_pointer.h +@@ -0,0 +1,28 @@ ++/* __thread_pointer definition. Generic version. ++ Copyright (C) 2021 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_THREAD_POINTER_H ++#define _SYS_THREAD_POINTER_H ++ ++static inline void * ++__thread_pointer (void) ++{ ++ return __builtin_thread_pointer (); ++} ++ ++#endif /* _SYS_THREAD_POINTER_H */ +diff --git a/sysdeps/powerpc/nptl/thread_pointer.h b/sysdeps/powerpc/nptl/thread_pointer.h +new file mode 100644 +index 00000000..8fd5ba67 +--- /dev/null ++++ b/sysdeps/powerpc/nptl/thread_pointer.h +@@ -0,0 +1,33 @@ ++/* __thread_pointer definition. powerpc version. ++ Copyright (C) 2021 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_THREAD_POINTER_H ++#define _SYS_THREAD_POINTER_H ++ ++static inline void * ++__thread_pointer (void) ++{ ++#ifdef __powerpc64__ ++ register void *__result asm ("r13"); ++#else ++ register void *__result asm ("r2"); ++#endif ++ return __result; ++} ++ ++#endif /* _SYS_THREAD_POINTER_H */ +diff --git a/sysdeps/x86/nptl/thread_pointer.h b/sysdeps/x86/nptl/thread_pointer.h +new file mode 100644 +index 00000000..6b71b6f7 +--- /dev/null ++++ b/sysdeps/x86/nptl/thread_pointer.h +@@ -0,0 +1,38 @@ ++/* __thread_pointer definition. x86 version. ++ Copyright (C) 2021 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_THREAD_POINTER_H ++#define _SYS_THREAD_POINTER_H ++ ++static inline void * ++__thread_pointer (void) ++{ ++#if __GNUC_PREREQ (11, 1) ++ return __builtin_thread_pointer (); ++#else ++ void *__result; ++# ifdef __x86_64__ ++ __asm__ ("mov %%fs:0, %0" : "=r" (__result)); ++# else ++ __asm__ ("mov %%gs:0, %0" : "=r" (__result)); ++# endif ++ return __result; ++#endif /* !GCC 11 */ ++} ++ ++#endif /* _SYS_THREAD_POINTER_H */ +-- +2.23.0 + |