glibc/sysdeps/ia64/nptl/pthreaddef.h
Florian Weimer 23c77f6018 nptl: Increase default TCB alignment to 32
rseq support will use a 32-byte aligned field in struct pthread,
so the whole struct needs to have at least that alignment.

nptl/tst-tls3mod.c uses TCB_ALIGNMENT, therefore include <descr.h>
to obtain the fallback definition.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
2021-12-03 20:43:31 +01:00

37 lines
1.3 KiB
C

/* Copyright (C) 2003-2021 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/>. */
/* Default stack size. */
#define ARCH_STACK_DEFAULT_SIZE (32 * 1024 * 1024)
/* Minimum guard size. */
#define ARCH_MIN_GUARD_SIZE 0
/* IA-64 uses a normal stack and a register stack. */
#define NEED_SEPARATE_REGISTER_STACK
/* Required stack pointer alignment at beginning. */
#define STACK_ALIGN 16
/* Minimal stack size after allocating thread descriptor and guard size. */
#define MINIMAL_REST_STACK 16384
/* Location of current stack frame. */
#define CURRENT_STACK_FRAME __stack_pointer
register char *__stack_pointer __asm__ ("sp");