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From 19cc6fee48bc1ec62d8990228aa95864413fb190 Mon Sep 17 00:00:00 2001
From: Justus Winter <4winter@informatik.uni-hamburg.de>
Date: Fri, 26 Jun 2015 14:44:32 +0200
Subject: [PATCH gnumach 3/3] ddb: automatically display stack traces
* ddb/db_trap.c (db_task_trap): Automatically display stack traces if
an unexpected trap occurs.
---
ddb/db_trap.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/ddb/db_trap.c b/ddb/db_trap.c
index b56ffdc..7e10731 100644
--- a/ddb/db_trap.c
+++ b/ddb/db_trap.c
@@ -44,6 +44,7 @@
#include <ddb/db_task_thread.h>
#include <ddb/db_trap.h>
#include <ddb/db_run.h>
+#include <machine/db_interface.h>
extern jmp_buf_t *db_recover;
@@ -88,6 +89,9 @@ db_task_trap(
db_print_loc_and_inst(db_dot, task_space);
else
db_printf("Trouble printing location %#X.\n", db_dot);
+
+ if (!bkpt && !watchpt && _setjmp(db_recover = &db_jmpbuf) == 0)
+ db_stack_trace_cmd(0, 0, -1, "");
db_recover = prev;
db_command_loop();
--
2.1.4
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