incubator-nuttx/arch/risc-v/include/setjmp.h

63 lines
2.1 KiB
C

/****************************************************************************
* arch/risc-v/include/setjmp.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_RISCV_INCLUDE_SETJUMP_H
#define __ARCH_RISCV_INCLUDE_SETJUMP_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
/****************************************************************************
* Public Types
****************************************************************************/
struct setjmp_buf_s
{
uintptr_t regs[14];
/* Float callee register : fs0-fs11 */
#ifdef CONFIG_ARCH_QPFPU
long double fregs[12];
#elif defined(CONFIG_ARCH_DPFPU)
double fregs[12];
#elif defined(CONFIG_ARCH_FPU)
float fregs[12];
#endif
};
/* Traditional typedef for setjmp_buf */
typedef struct setjmp_buf_s jmp_buf[1];
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
int setjmp(jmp_buf env);
void longjmp(jmp_buf env, int val) noreturn_function;
#endif