/* 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))