[thirdparty/glibc.git] / sysdeps / arm / nptl / pthreaddef.h

/* 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))
Commit	Line	Data
02a9f771 DJ	1	/* Copyright (C) 2002, 2003, 2005 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, write to the Free
	16	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	17	02111-1307 USA. */
	18
	19	/* Default stack size. */
	20	#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024)
	21
	22	/* Required stack pointer alignment at beginning. SSE requires 16
	23	bytes. */
	24	#define STACK_ALIGN 16
	25
	26	/* Minimal stack size after allocating thread descriptor and guard size. */
	27	#define MINIMAL_REST_STACK 2048
	28
	29	/* Alignment requirement for TCB. */
	30	#define TCB_ALIGNMENT 16
	31
	32
f5b8dd54 DJ	33	/* Location of current stack frame.
	34
	35	__builtin_frame_address (0) returns the value of the hard frame
	36	pointer, which will point at the location of the saved PC on the
	37	stack. Below this in memory is the remainder of the linkage info,
	38	occupying 12 bytes. Therefore in order to address from
	39	CURRENT_STACK_FRAME using "struct layout", we need to have the macro
	40	return the hard FP minus 12. Of course, this makes no sense
	41	without the obsolete APCS stack layout... */
	42	#define CURRENT_STACK_FRAME (__builtin_frame_address (0) - 12)
02a9f771 DJ	43
	44
	45	/* XXX Until we have a better place keep the definitions here. */
	46	#define __exit_thread_inline(val) \
	47	INLINE_SYSCALL (exit, 1, (val))