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#if defined(__arm__) || defined(__thumb__)
/*
 * All callee preserved registers:
 * v1 - v7, fp, ip, sp, lr, f4, f5, f6, f7
 */
#define _JBLEN 23
#endif
 
#ifdef __sparc__
/*
 * onsstack,sigmask,sp,pc,npc,psr,g1,o0,wbcnt (sigcontext).
 * All else recovered by under/over(flow) handling.
 */
#define	_JBLEN	13
#endif
 
/* necv70 was 9 as well. */
 
#ifdef __mc68000__
/*
 * onsstack,sigmask,sp,pc,psl,d2-d7,a2-a6,
 * fp2-fp7	for 68881.
 * All else recovered by under/over(flow) handling.
 */
#define	_JBLEN	34
#endif
 
#if defined(__Z8001__) || defined(__Z8002__)
/* 16 regs + pc */
#define _JBLEN 20
#endif
 
#ifdef _AM29K
/*
 * onsstack,sigmask,sp,pc,npc,psr,g1,o0,wbcnt (sigcontext).
 * All else recovered by under/over(flow) handling.
 */
#define	_JBLEN	9
#endif
 
#if defined(__CYGWIN__) && !defined (_JBLEN)
#define _JBLEN (13 * 4)
#elif defined (__i386__)
#ifdef __unix__
# define _JBLEN	36
#else
#include "setjmp-dj.h"
#endif
#endif
 
#ifdef __i960__
#define _JBLEN 35
#endif
 
#ifdef __M32R__
/* Only 8 words are currently needed.  10 gives us some slop if we need
   to expand.  */
#define _JBLEN 10
#endif
 
#ifdef __mips__
#define _JBLEN 11
#endif
 
#ifdef __m88000__
#define _JBLEN 21
#endif
 
#ifdef __H8300__
#define _JBLEN 5
typedef int jmp_buf[_JBLEN];
#endif
 
#ifdef __H8300H__
/* same as H8/300 but registers are twice as big */
#define _JBLEN 5
#define _JBTYPE long
#endif
 
#ifdef __H8300S__
/* same as H8/300 but registers are twice as big */
#define _JBLEN 5
#define _JBTYPE long
#endif
 
#ifdef __H8500__
#define _JBLEN 4
#endif
 
#ifdef  __sh__
#define _JBLEN 20
#endif
 
#ifdef  __v800
#define _JBLEN 28
#endif
 
#ifdef __PPC__
#define _JBLEN 32
#define _JBTYPE double
#endif
 
#ifdef __hppa__
/* %r30, %r2-%r18, %r27, pad, %fr12-%fr15.
   Note space exists for the FP registers, but they are not
   saved.  */
#define _JBLEN 28
#endif
 
#if defined(__mn10300__) || defined(__mn10200__)
/* A guess */
#define _JBLEN 10
#endif
 
#ifdef __v850
/* I think our setjmp is saving 15 regs at the moment.  Gives us one word
   slop if we need to expand.  */
#define _JBLEN 16
#endif
 
#ifdef __TIC80__
#define _JBLEN 13
#endif
 
#ifdef __D10V__
#define _JBLEN 8
#endif
 
#ifdef __D30V__
#define _JBLEN ((64 /* GPR */ + (2*2) /* ACs */ + 18 /* CRs */) / 2)
#define _JBTYPE double
#endif
 
 
#ifdef __fr30__
#define _JBLEN 10
#endif
 
#ifdef __mcore__
#define _JBLEN 16
#endif
 
#ifdef _JBLEN
#ifdef _JBTYPE
typedef	_JBTYPE jmp_buf[_JBLEN];
#else
typedef	int jmp_buf[_JBLEN];
#endif
 
#if defined(__CYGWIN32__) || defined(__rtems__)
#include <signal.h>
 
/* POSIX sigsetjmp/siglongjmp macros */
typedef int sigjmp_buf[_JBLEN+2];
 
#define _SAVEMASK	_JBLEN
#define _SIGMASK	(_JBLEN+1)
 
#define sigsetjmp(env, savemask) (env[_SAVEMASK] = savemask,\
               sigprocmask (SIG_SETMASK, 0, (sigset_t *) &env[_SIGMASK]),\
               setjmp (env))
 
#define siglongjmp(env, val) (((env[_SAVEMASK])?\
               sigprocmask (SIG_SETMASK, (sigset_t *) &env[_SIGMASK], 0):0),\
               longjmp (env, val))
 
#endif /* __CYGWIN32__ or __rtems__ */
#endif