diff options
Diffstat (limited to 'sysdeps/alpha/bits')
| -rw-r--r-- | sysdeps/alpha/bits/setjmp.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/alpha/bits/setjmp.h b/sysdeps/alpha/bits/setjmp.h index de37019218..af0b5ae577 100644 --- a/sysdeps/alpha/bits/setjmp.h +++ b/sysdeps/alpha/bits/setjmp.h @@ -74,4 +74,10 @@ #ifndef __ASSEMBLY__ typedef long int __jmp_buf[17]; + +/* Test if longjmp to JMPBUF would unwind the frame containing a local + variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(_jmpbuf, _address) \ + ({ register void *_sp __asm__("$30"); void *_addr = (_address); \ + _sp <= _addr && _addr < (void *)((_jmpbuf)[JB_SP]); }) #endif |