/* * Copyright (c) 2010 Ondrej Palkovsky * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup libcabs32le * @{ */ /** @file */ #ifndef _LIBC_abs32le_FIBRIL_H_ #define _LIBC_abs32le_FIBRIL_H_ #include <stdint.h> #include <libarch/fibril_context.h> #define SP_DELTA 0 #define context_set(ctx, _pc, stack, size, ptls) \ do { \ (ctx)->pc = (uintptr_t) (_pc); \ (ctx)->sp = ((uintptr_t) (stack)) + (size) - SP_DELTA; \ (ctx)->fp = 0; \ (ctx)->tls = ((uintptr_t) (ptls)) + sizeof(tcb_t); \ } while (0) static inline uintptr_t _context_get_fp(context_t *ctx) { /* On real hardware, this function returns the frame pointer. */ return ctx->fp; } #endif /** @} */