diff options
Diffstat (limited to 'sysdeps/i386/jmp_buf.h')
| -rw-r--r-- | sysdeps/i386/jmp_buf.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/i386/jmp_buf.h b/sysdeps/i386/jmp_buf.h index 7686c4d278..7949883b60 100644 --- a/sysdeps/i386/jmp_buf.h +++ b/sysdeps/i386/jmp_buf.h @@ -7,3 +7,8 @@ typedef struct __ptr_t __sp; __ptr_t __pc; } __jmp_buf[1]; + +/* Test if longjmp to JMPBUF would unwind the frame + containing a local variable at ADDRESS. */ +#define _JMPBUF_UNWINDS(jmpbuf, address) \ + ((__ptr_t) (address) < (jmpbuf)[0].__sp) |