/* Copyright (C) 1997, 1998, 2007 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ /* Define the machine-dependent type `jmp_buf'. Xtensa version. */ #ifndef _BITS_SETJMP_H #define _BITS_SETJMP_H 1 #if !defined _SETJMP_H && !defined _PTHREAD_H # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." #endif /* The jmp_buf structure for Xtensa holds the following (where "proc" is the procedure that calls setjmp): 4-12 registers from the window of proc, the 4 words from the save area at proc's $sp (in case a subsequent alloca in proc moves $sp), and the return address within proc. Everything else is saved on the stack in the normal save areas. */ #ifndef _ASM typedef int __jmp_buf[17]; #endif #define JB_SP 1 #define JB_PC 16 /* Test if longjmp to JMPBUF would unwind the frame containing a local variable at ADDRESS. */ #define _JMPBUF_UNWINDS(jmpbuf, address) \ ((void *) (address) < (void *) (jmpbuf)[JB_SP]) #endif /* bits/setjmp.h */