diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2008-06-22 21:02:12 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2008-06-22 21:02:12 +0000 |
| commit | 8af57fdf574da8b61433ede4ae2b3b17f6d9cb5c (patch) | |
| tree | 8742b7bffbc7c2d2956e3e6d14683f93c3632946 /sys/arch/mips64 | |
| parent | 59be0deb6c8aa359e4c31003703d97b85e6e3e94 (diff) | |
Like alpha, db_stack_dump() on mips and sh needs complete frame information
and can not work from a stack address only. Mention this and abort instead of
printing a wrong trace. (prefer kern.splassert=3 to =2 on these platforms)
Diffstat (limited to 'sys/arch/mips64')
| -rw-r--r-- | sys/arch/mips64/mips64/db_machdep.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/arch/mips64/mips64/db_machdep.c b/sys/arch/mips64/mips64/db_machdep.c index 245a5808b31..f84585025a0 100644 --- a/sys/arch/mips64/mips64/db_machdep.c +++ b/sys/arch/mips64/mips64/db_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: db_machdep.c,v 1.16 2008/02/29 19:00:39 miod Exp $ */ +/* $OpenBSD: db_machdep.c,v 1.17 2008/06/22 21:02:10 miod Exp $ */ /* * Copyright (c) 1998-2003 Opsycon AB (www.opsycon.se) @@ -224,6 +224,11 @@ db_stack_trace_print(addr, have_addr, count, modif, pr) extern char k_general[]; struct trap_frame *regs = &ddb_regs; + if (have_addr) { + (*pr)("mips trace requires a trap frame... giving up\n"); + return; + } + /* get initial values from the exception frame */ sp = (vaddr_t)regs->sp; pc = (vaddr_t)regs->pc; |