diff options
Diffstat (limited to 'libguile/_scm.h')
-rw-r--r-- | libguile/_scm.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libguile/_scm.h b/libguile/_scm.h index 284213032..d685f9736 100644 --- a/libguile/_scm.h +++ b/libguile/_scm.h @@ -191,6 +191,41 @@ #define scm_from_off64_t scm_from_int64 + + +#if defined (vms) +/* VMS: Implement SCM_I_SETJMP in terms of setjump. */ +extern int setjump(scm_i_jmp_buf env); +extern int longjump(scm_i_jmp_buf env, int ret); +#define SCM_I_SETJMP setjump +#define SCM_I_LONGJMP longjump + +#elif defined (_CRAY1) +/* Cray: Implement SCM_I_SETJMP in terms of setjump. */ +extern int setjump(scm_i_jmp_buf env); +extern int longjump(scm_i_jmp_buf env, int ret); +#define SCM_I_SETJMP setjump +#define SCM_I_LONGJMP longjump + +#elif defined (__ia64__) +/* IA64: Implement SCM_I_SETJMP in terms of getcontext. */ +# define SCM_I_SETJMP(JB) \ + ( (JB).fresh = 1, \ + getcontext (&((JB).ctx)), \ + ((JB).fresh ? ((JB).fresh = 0, 0) : 1) ) +# define SCM_I_LONGJMP(JB,VAL) scm_ia64_longjmp (&(JB), VAL) +void scm_ia64_longjmp (scm_i_jmp_buf *, int); + +#else +/* All other systems just use setjmp and longjmp. */ + +#define SCM_I_SETJMP setjmp +#define SCM_I_LONGJMP longjmp +#endif + + + + /* The endianness marker in objcode. */ #ifdef WORDS_BIGENDIAN # define SCM_OBJCODE_ENDIANNESS "BE" |