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[Qemu-devel] [5745] Add debug exception hook (Jan Kiszka)
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [5745] Add debug exception hook (Jan Kiszka) |
Date: |
Tue, 18 Nov 2008 20:50:38 +0000 |
Revision: 5745
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5745
Author: aliguori
Date: 2008-11-18 20:50:36 +0000 (Tue, 18 Nov 2008)
Log Message:
-----------
Add debug exception hook (Jan Kiszka)
This patch allows to hook into the delivery of EXCP_DEBUG so that other
use beyond guest debugging becomes possible.
Signed-off-by: Jan Kiszka <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/cpu-exec.c
trunk/exec-all.h
Modified: trunk/cpu-exec.c
===================================================================
--- trunk/cpu-exec.c 2008-11-18 20:37:55 UTC (rev 5744)
+++ trunk/cpu-exec.c 2008-11-18 20:50:36 UTC (rev 5745)
@@ -183,6 +183,16 @@
return tb;
}
+static CPUDebugExcpHandler *debug_excp_handler;
+
+CPUDebugExcpHandler *cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler)
+{
+ CPUDebugExcpHandler *old_handler = debug_excp_handler;
+
+ debug_excp_handler = handler;
+ return old_handler;
+}
+
static void cpu_handle_debug_exception(CPUState *env)
{
CPUWatchpoint *wp;
@@ -190,6 +200,9 @@
if (!env->watchpoint_hit)
for (wp = env->watchpoints; wp != NULL; wp = wp->next)
wp->flags &= ~BP_WATCHPOINT_HIT;
+
+ if (debug_excp_handler)
+ debug_excp_handler(env);
}
/* main execution loop */
Modified: trunk/exec-all.h
===================================================================
--- trunk/exec-all.h 2008-11-18 20:37:55 UTC (rev 5744)
+++ trunk/exec-all.h 2008-11-18 20:50:36 UTC (rev 5745)
@@ -387,4 +387,8 @@
}
#endif
+
+typedef void (CPUDebugExcpHandler)(CPUState *env);
+
+CPUDebugExcpHandler *cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler);
#endif
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