diff options
Diffstat (limited to 'ports/sysdeps/tile/stackinfo.h')
| -rw-r--r-- | ports/sysdeps/tile/stackinfo.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/ports/sysdeps/tile/stackinfo.h b/ports/sysdeps/tile/stackinfo.h deleted file mode 100644 index 45c28a757b..0000000000 --- a/ports/sysdeps/tile/stackinfo.h +++ /dev/null @@ -1,48 +0,0 @@ -/* Copyright (C) 2011-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. - - 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, see - <http://www.gnu.org/licenses/>. */ - -/* This file contains a bit of information about the stack allocation - of the processor. */ - -#ifndef _STACKINFO_H -#define _STACKINFO_H 1 - -#include <elf.h> - -/* On tile the stack grows down. */ -#define _STACK_GROWS_DOWN 1 - -/* Default to a non-executable stack. */ -#define DEFAULT_STACK_PERMS (PF_R|PF_W) - -/* Access to the stack pointer. The macros are used in alloca_account - for which they need to act as barriers as well, hence the additional - (unnecessary) parameters. */ -#define stackinfo_get_sp() \ - ({ void *p__; asm volatile ("move %0, sp" : "=r" (p__)); p__; }) -#if defined __tilegx__ && __WORDSIZE == 32 -#define __stackinfo_sub "subx" -#else -#define __stackinfo_sub "sub" -#endif -#define stackinfo_sub_sp(ptr) \ - ({ ptrdiff_t d__; \ - asm volatile (__stackinfo_sub " %0, %0, sp" : "=r" (d__) : "0" (ptr)); \ - d__; }) - -#endif /* stackinfo.h */ |