glibc/nptl/sysdeps/sh/pthreaddef.h

53 lines
1.8 KiB
C

/* Copyright (C) 2003 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. */
#include <sysdep.h>
/* Default stack size. */
#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024)
/* Required stack pointer alignment at beginning. */
#define STACK_ALIGN 8
/* Minimal stack size after allocating thread descriptor and guard size. */
#define MINIMAL_REST_STACK 2048
/* Alignment requirement for TCB. */
#define TCB_ALIGNMENT 8
/* The signal used for asynchronous cancelation. */
#define SIGCANCEL __SIGRTMIN
/* Location of current stack frame. */
#define CURRENT_STACK_FRAME __builtin_frame_address (0)
/* XXX Until we have a better place keep the definitions here. */
/* While there is no such syscall. */
#define __exit_thread_inline(val) \
while (1) { \
if (__builtin_constant_p (val) && (val) == 0) \
asm volatile ("mov #0,r4; mov %0,r3; trapa #0x11\n\t" SYSCALL_INST_PAD \
:: "i" (__NR_exit)); \
else \
asm volatile ("mov %1,r4; mov %0,r3; trapa #0x11\n\t" SYSCALL_INST_PAD \
:: "i" (__NR_exit), "r" (val)); \
}