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/sh | |
| 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/sh')
| -rw-r--r-- | sys/arch/sh/sh/db_trace.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/arch/sh/sh/db_trace.c b/sys/arch/sh/sh/db_trace.c index 5e01584a975..311b6161e48 100644 --- a/sys/arch/sh/sh/db_trace.c +++ b/sys/arch/sh/sh/db_trace.c @@ -1,4 +1,4 @@ -/* $OpenBSD: db_trace.c,v 1.4 2007/03/17 20:23:05 miod Exp $ */ +/* $OpenBSD: db_trace.c,v 1.5 2008/06/22 21:02:11 miod Exp $ */ /* $NetBSD: db_trace.c,v 1.19 2006/01/21 22:10:59 uwe Exp $ */ /*- @@ -81,6 +81,11 @@ db_stack_trace_print(db_expr_t addr, int have_addr, db_expr_t count, db_addr_t callpc, frame, lastframe; uint32_t vbr; + if (have_addr) { + (*print)("sh trace requires a trap frame... giving up\n"); + return; + } + __asm volatile("stc vbr, %0" : "=r"(vbr)); frame = ddb_regs.tf_r14; |