69cfe8d626
After check the official specification of ARM ISA and Thumb ISA, the arch_setjmp_thumb.S are written by arm unified assembly language, so it easy to make it works for ARM and thumb ISA. Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/****************************************************************************
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* arch/arm/include/setjmp.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_INCLUDE_SETJUMP_H
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#define __ARCH_ARM_INCLUDE_SETJUMP_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct setjmp_buf_s
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{
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/* Note: core registers r0-r3 are caller-saved */
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unsigned r4;
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unsigned r5;
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unsigned r6;
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unsigned r7;
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unsigned r8;
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unsigned r9;
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unsigned r10;
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unsigned r11;
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unsigned ip; /* this is really sp */
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unsigned lr;
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#ifdef CONFIG_ARCH_FPU
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/* note: FPU registers s0-s15 are caller-saved */
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float s16;
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float s17;
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float s18;
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float s19;
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float s20;
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float s21;
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float s22;
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float s23;
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float s24;
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float s25;
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float s26;
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float s27;
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float s28;
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float s29;
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float s30;
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float s31;
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unsigned fpscr;
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#endif
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};
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/* Traditional typedef for setjmp_buf */
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typedef struct setjmp_buf_s jmp_buf[1];
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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int setjmp(jmp_buf env);
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void longjmp(jmp_buf env, int val) noreturn_function;
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ARCH_ARM_INCLUDE_SETJUMP_H */
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