mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
/* Copyright (C) 2002, 2003, 2005 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
/* Default stack size. */
|
|
#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024)
|
|
|
|
/* 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. */
|
|
#define TCB_ALIGNMENT 16
|
|
|
|
|
|
/* Location of current stack frame.
|
|
|
|
__builtin_frame_address (0) returns the value of the hard frame
|
|
pointer, which will point at the location of the saved PC on the
|
|
stack. Below this in memory is the remainder of the linkage info,
|
|
occupying 12 bytes. Therefore in order to address from
|
|
CURRENT_STACK_FRAME using "struct layout", we need to have the macro
|
|
return the hard FP minus 12. Of course, this makes no sense
|
|
without the obsolete APCS stack layout... */
|
|
#define CURRENT_STACK_FRAME (__builtin_frame_address (0) - 12)
|
|
|
|
|
|
/* XXX Until we have a better place keep the definitions here. */
|
|
#define __exit_thread_inline(val) \
|
|
INLINE_SYSCALL (exit, 1, (val))
|