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1/* Copyright (C) 2002-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library. If not, see
16 <https://www.gnu.org/licenses/>. */
17
18/* Default stack size. */
19#define ARCH_STACK_DEFAULT_SIZE (8 * 1024 * 1024)
20
21/* Minimum guard size. */
22#define ARCH_MIN_GUARD_SIZE 0
23
24/* Required stack pointer alignment at beginning. */
25#define STACK_ALIGN 64
26
27/* Minimal stack size after allocating thread descriptor and guard size. */
28#define MINIMAL_REST_STACK 2048
29
30/* Alignment requirement for TCB, note that this must be larger than STACK_ALIGN */
31#define TCB_ALIGNMENT STACK_ALIGN
32
33
34/* Location of current stack frame. */
35#define CURRENT_STACK_FRAME stack_pointer
36register char * stack_pointer __asm__ ("%r30");
37

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source code of glibc/sysdeps/hppa/nptl/pthreaddef.h