[src/trunk]: src/sys/arch/arm/arm Report trapframe where possible

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a9e7f132df79
branches:  trunk
changeset: 823488:a9e7f132df79
user:      skrll <skrll%NetBSD.org@localhost>
date:      Tue Apr 25 09:02:04 2017 +0000

description:
Report trapframe where possible

diffstat:

 sys/arch/arm/arm/db_trace.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (44 lines):

diff -r 52dfe22b44a2 -r a9e7f132df79 sys/arch/arm/arm/db_trace.c
--- a/sys/arch/arm/arm/db_trace.c       Tue Apr 25 09:01:38 2017 +0000
+++ b/sys/arch/arm/arm/db_trace.c       Tue Apr 25 09:02:04 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: db_trace.c,v 1.31 2015/01/24 15:44:32 skrll Exp $      */
+/*     $NetBSD: db_trace.c,v 1.32 2017/04/25 09:02:04 skrll Exp $      */
 
 /*
  * Copyright (c) 2000, 2001 Ben Harris
@@ -31,7 +31,7 @@
 
 #include <sys/param.h>
 
-__KERNEL_RCSID(0, "$NetBSD: db_trace.c,v 1.31 2015/01/24 15:44:32 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_trace.c,v 1.32 2017/04/25 09:02:04 skrll Exp $");
 
 #include <sys/proc.h>
 #include <arm/armreg.h>
@@ -86,6 +86,7 @@
                db_expr_t count, const char *modif,
                void (*pr)(const char *, ...))
 {
+       struct trapframe *tf = NULL;
        uint32_t        *frame, *lastframe;
        const char      *cp = modif;
        char c;
@@ -140,6 +141,7 @@
                        }
                        (*pr)("lid %d ", l.l_lid);
                        pcb = lwp_getpcb(&l);
+                       tf = lwp_trapframe(&l);
 #ifndef _KERNEL
                        struct pcb pcbb;
                        db_read_bytes((db_addr_t)pcb, sizeof(*pcb),
@@ -258,6 +260,9 @@
                                break;
                        }
                } else if (INKERNEL((int)lastframe)) {
+                       if (trace_thread) {
+                               (*pr)("--- tf %p ---\n", tf);
+                       }
                        /* switch from user to kernel */
                        if (kernel_only)
                                break;  /* kernel stack only */