_BEGIN_STD_C #if defined(__tricore__) #define _JBTYPE \ struct _jmp_buf { unsigned long return_address; unsigned long upper_ctx[16]; } #define _JBLEN 1 #endif #if defined(__arm__) || defined(__thumb__) /* * All callee preserved registers: * v1 - v7, fp, ip, sp, lr, f4, f5, f6, f7 */ #define _JBLEN 23 #endif #if defined(__AVR__) #define _JBLEN 24 #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 #ifdef __BFIN__ #define _JBLEN 40 #endif /* necv70 was 9 as well. */ #if defined(__m68k__) || defined(__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(__mc68hc11__) || defined(__mc68hc12__) || defined(__mc68hc1x__) /* * D, X, Y are not saved. * Only take into account the pseudo soft registers (max 32). */ #define _JBLEN 32 #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__) #if defined(__unix__) || defined(__rtems__) # define _JBLEN 9 #else #include "setjmp-dj.h" #endif #endif #ifdef __x86_64__ #define _JBTYPE long long #define _JBLEN 8 #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__ #ifdef __mips64 #define _JBTYPE long long #endif #ifdef __mips_soft_float #define _JBLEN 11 #else #define _JBLEN 23 #endif #endif #ifdef __m88000__ #define _JBLEN 21 #endif #ifdef __H8300__ #define _JBLEN 5 #define _JBTYPE int #endif #ifdef __H8300H__ /* same as H8/300 but registers are twice as big */ #define _JBLEN 5 #define _JBTYPE long #endif #if defined (__H8300S__) || defined (__H8300SX__) /* 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__ #if __SH5__ #define _JBLEN 50 #define _JBTYPE long long #else #define _JBLEN 20 #endif /* __SH5__ */ #endif #ifdef __v800 #define _JBLEN 28 #endif #ifdef __PPC__ #ifdef __ALTIVEC__ #define _JBLEN 64 #else #define _JBLEN 32 #endif #define _JBTYPE double #endif #ifdef __MICROBLAZE__ #define _JBLEN 20 #define _JBTYPE unsigned int #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__) #ifdef __AM33_2__ #define _JBLEN 26 #else /* A guess */ #define _JBLEN 10 #endif #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 #if defined(_C4x) #define _JBLEN 10 #endif #if defined(_C3x) #define _JBLEN 9 #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 __frv__ #define _JBLEN (68/2) /* room for 68 32-bit regs */ #define _JBTYPE double #endif #ifdef __moxie__ #define _JBLEN 16 #endif #ifdef __CRX__ #define _JBLEN 9 #endif #ifdef __fr30__ #define _JBLEN 10 #endif #ifdef __iq2000__ #define _JBLEN 32 #endif #ifdef __mcore__ #define _JBLEN 16 #endif #ifdef __MMIX__ /* Using a layout compatible with GCC's built-in. */ #define _JBLEN 5 #define _JBTYPE unsigned long #endif #ifdef __mt__ #define _JBLEN 16 #endif #ifdef __SPU__ #define _JBLEN 50 #define _JBTYPE __vector signed int #endif #ifdef __xstormy16__ /* 4 GPRs plus SP plus PC. */ #define _JBLEN 8 #endif #ifdef __mep__ /* 16 GPRs, pc, hi, lo */ #define _JBLEN 19 #endif #ifdef __CRIS__ #define _JBLEN 18 #endif #ifdef __lm32__ #define _JBLEN 19 #endif #ifdef __m32c__ #if defined(__r8c_cpu__) || defined(__m16c_cpu__) #define _JBLEN (22/2) #else #define _JBLEN (34/2) #endif #define _JBTYPE unsigned short #endif /* __m32c__ */ #ifdef __RX__ #define _JBLEN 0x44 #endif #ifdef _JBLEN #ifdef _JBTYPE typedef _JBTYPE jmp_buf[_JBLEN]; #else typedef int jmp_buf[_JBLEN]; #endif #endif _END_STD_C #if defined(__CYGWIN__) || defined(__rtems__) #include #ifdef __cplusplus extern "C" { #endif /* POSIX sigsetjmp/siglongjmp macros */ #ifdef _JBTYPE typedef _JBTYPE sigjmp_buf[_JBLEN+1+(sizeof (sigset_t)/sizeof (_JBTYPE))]; #else typedef int sigjmp_buf[_JBLEN+1+(sizeof (sigset_t)/sizeof (int))]; #endif #define _SAVEMASK _JBLEN #define _SIGMASK (_JBLEN+1) #ifdef __CYGWIN__ # define _CYGWIN_WORKING_SIGSETJMP #endif #ifdef _POSIX_THREADS #define __SIGMASK_FUNC pthread_sigmask #else #define __SIGMASK_FUNC sigprocmask #endif #if defined(__GNUC__) #define sigsetjmp(env, savemask) \ __extension__ \ ({ \ sigjmp_buf *_sjbuf = &(env); \ ((*_sjbuf)[_SAVEMASK] = savemask,\ __SIGMASK_FUNC (SIG_SETMASK, 0, (sigset_t *)((*_sjbuf) + _SIGMASK)),\ setjmp (*_sjbuf)); \ }) #define siglongjmp(env, val) \ __extension__ \ ({ \ sigjmp_buf *_sjbuf = &(env); \ ((((*_sjbuf)[_SAVEMASK]) ? \ __SIGMASK_FUNC (SIG_SETMASK, (sigset_t *)((*_sjbuf) + _SIGMASK), 0)\ : 0), \ longjmp (*_sjbuf, val)); \ }) #else /* !__GNUC__ */ #define sigsetjmp(env, savemask) ((env)[_SAVEMASK] = savemask,\ __SIGMASK_FUNC (SIG_SETMASK, 0, (sigset_t *) ((env) + _SIGMASK)),\ setjmp (env)) #define siglongjmp(env, val) ((((env)[_SAVEMASK])?\ __SIGMASK_FUNC (SIG_SETMASK, (sigset_t *) ((env) + _SIGMASK), 0):0),\ longjmp (env, val)) #endif /* POSIX _setjmp/_longjmp, maintained for XSI compatibility. These are equivalent to sigsetjmp/siglongjmp when not saving the signal mask. New applications should use sigsetjmp/siglongjmp instead. */ #ifdef __CYGWIN__ extern void _longjmp(jmp_buf, int); extern int _setjmp(jmp_buf); #else #define _setjmp(env) sigsetjmp ((env), 0) #define _longjmp(env, val) siglongjmp ((env), (val)) #endif #ifdef __cplusplus } #endif #endif /* __CYGWIN__ or __rtems__ */