diff options
| -rw-r--r-- | sysdeps/x86/nptl/pthreaddef.h (renamed from sysdeps/i386/nptl/pthreaddef.h) | 8 | ||||
| -rw-r--r-- | sysdeps/x86_64/nptl/pthreaddef.h | 47 |
2 files changed, 7 insertions, 48 deletions
diff --git a/sysdeps/i386/nptl/pthreaddef.h b/sysdeps/x86/nptl/pthreaddef.h index a488cac603..6ff7d601eb 100644 --- a/sysdeps/i386/nptl/pthreaddef.h +++ b/sysdeps/x86/nptl/pthreaddef.h @@ -40,4 +40,10 @@ /* Location of current stack frame. */ -#define CURRENT_STACK_FRAME __builtin_frame_address (0) +#ifdef __x86_64__ +/* The frame pointer is not usable. */ +# define CURRENT_STACK_FRAME \ + ({ register char *frame __asm__("rsp"); frame; }) +#else +# define CURRENT_STACK_FRAME __builtin_frame_address (0) +#endif diff --git a/sysdeps/x86_64/nptl/pthreaddef.h b/sysdeps/x86_64/nptl/pthreaddef.h deleted file mode 100644 index a8b5fa4c45..0000000000 --- a/sysdeps/x86_64/nptl/pthreaddef.h +++ /dev/null @@ -1,47 +0,0 @@ -/* Copyright (C) 2002-2021 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/>. */ - -/* Default stack size. */ -#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024) - -/* Minimum guard size. */ -#define ARCH_MIN_GUARD_SIZE 0 - -/* Required stack pointer alignment at beginning. SSE requires 16 - bytes. */ -#define STACK_ALIGN 16 - -/* Minimal stack size after allocating thread descriptor and guard size. */ -#define MINIMAL_REST_STACK 2048 - -/* Alignment requirement for TCB. - - We need to store post-AVX vector registers in the TCB and we want the - storage to be aligned to at least 32 bytes. - - Some processors such as Intel Atom pay a big penalty on every - access using a segment override if that segment's base is not - aligned to the size of a cache line. (See Intel 64 and IA-32 - Architectures Optimization Reference Manual, section 13.3.3.3, - "Segment Base".) On such machines, a cache line is 64 bytes. */ -#define TCB_ALIGNMENT 64 - - -/* Location of current stack frame. The frame pointer is not usable. */ -#define CURRENT_STACK_FRAME \ - ({ register char *frame __asm__("rsp"); frame; }) |