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libs/x86_64:Add the setjmp/longjmp function

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Signed-off-by: liwenxiang1 <liwenxiang1@xiaomi.com>
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liwenxiang1 2024-10-09 15:43:58 +08:00 • committed by Xiang Xiao
parent 3271142b87
commit 4c19e75ff5
5 changed files with 233 additions and 0 deletions
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1
arch/Kconfig
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@ -144,6 +144,7 @@ config ARCH_X86_64
select ARCH_TOOLCHAIN_GNU
select ARCH_HAVE_BACKTRACE
select ARCH_HAVE_FORK
select ARCH_HAVE_SETJMP
---help---
x86-64 architectures.

106
arch/x86_64/include/setjmp.h Normal file
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@ -0,0 +1,106 @@
/****************************************************************************
* arch/x86_64/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_X86_64_INCLUDE_SETJUMP_H
#define __ARCH_X86_64_INCLUDE_SETJUMP_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Storage order: %rbx, %rsp, %rbp, %r12, %r13, %r14, %r15, %rip */
# define XCPTCONTEXT_REGS 9
# define XCPTCONTEXT_SIZE (8 * XCPTCONTEXT_REGS)
# ifdef __ASSEMBLY__
# define JB_RBX (0*8)
# define JB_RSP (1*8)
# define JB_RBP (2*8)
# define JB_R12 (3*8)
# define JB_R13 (4*8)
# define JB_R14 (5*8)
# define JB_R15 (6*8)
# define JB_RIP (7*8)
# define JB_FLAG (8*8)
# else
# define JB_RBX (0)
# define JB_RSP (1)
# define JB_RBP (2)
# define JB_R12 (3)
# define JB_R13 (4)
# define JB_R14 (5)
# define JB_R15 (6)
# define JB_RIP (7)
# define JB_FLAG (8)
# endif /* __ASSEMBLY__ */
/* Compatibility definitions */
# define JB_FP JB_RBP
# define JB_SP JB_RSP
# define JB_PC JB_RIP
/****************************************************************************
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
typedef unsigned long xcpt_reg_t;
typedef xcpt_reg_t jmp_buf[XCPTCONTEXT_REGS];
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
int setjmp(jmp_buf env);
void longjmp(jmp_buf env, int val) noreturn_function;
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* !__ASSEMBLY__ */
#endif /* __ARCH_X86_64_INCLUDE_SETJUMP_H */