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| author | kensmith <kensmith@FreeBSD.org> | 2004-09-28 16:36:58 +0000 |
|---|---|---|
| committer | kensmith <kensmith@FreeBSD.org> | 2004-09-28 16:36:58 +0000 |
| commit | 0c8b421dcdab9f5003f1e2f336b92e61bfd706ec (patch) | |
| tree | 1ed0d3bc30fe13bfe0c7066eea46c7e66f441251 /sys/sparc64 | |
| parent | 504d9a68b311a947544b1c2684b9730c2a9f4ee6 (diff) | |
| download | FreeBSD-src-0c8b421dcdab9f5003f1e2f336b92e61bfd706ec.zip FreeBSD-src-0c8b421dcdab9f5003f1e2f336b92e61bfd706ec.tar.gz | |
Add an assertion that the pcb_nsaved field of the pcb be less than
MAXWIN to the register window manipulation functions - rwindow_load()
calls rwindow_save() so this one addition should take care of both.
This should help find places that pcb_nsaved doesn't get initialized
properly.
Suggested by: jake
Diffstat (limited to 'sys/sparc64')
| -rw-r--r-- | sys/sparc64/sparc64/rwindow.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/sparc64/sparc64/rwindow.c b/sys/sparc64/sparc64/rwindow.c index 675379e..dc877d4 100644 --- a/sys/sparc64/sparc64/rwindow.c +++ b/sys/sparc64/sparc64/rwindow.c @@ -84,6 +84,8 @@ rwindow_save(struct thread *td) td->td_proc->p_comm, pcb->pcb_nsaved); flushw(); + KASSERT(pcb->pcb_nsaved < MAXWIN, + ("rwindow_save: pcb_nsaved > MAXWIN")); if ((i = pcb->pcb_nsaved) == 0) return (0); ausp = pcb->pcb_rwsp; |
