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[Qemu-devel] [PATCH v5 11/18] Add debug exception hook
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH v5 11/18] Add debug exception hook |
Date: |
Mon, 17 Nov 2008 17:18:59 +0100 |
User-agent: |
StGIT/0.14.2 |
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>
---
cpu-exec.c | 13 +++++++++++++
exec-all.h | 4 ++++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/cpu-exec.c b/cpu-exec.c
index 191d9e4..8d86527 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -183,6 +183,16 @@ static inline TranslationBlock *tb_find_fast(void)
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 @@ static void cpu_handle_debug_exception(CPUState *env)
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 */
diff --git a/exec-all.h b/exec-all.h
index e3da98a..aec318b 100644
--- a/exec-all.h
+++ b/exec-all.h
@@ -387,4 +387,8 @@ static inline int kqemu_is_ok(CPUState *env)
}
#endif
+
+typedef void (CPUDebugExcpHandler)(CPUState *env);
+
+CPUDebugExcpHandler *cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler);
#endif
- Re: [Qemu-devel] [PATCH v5 04/18] Refactor and enhance break/watchpoint API, (continued)
- [Qemu-devel] [PATCH v5 01/18] Convert CPU_PC_FROM_TB to static inline, Jan Kiszka, 2008/11/17
- [Qemu-devel] [PATCH v5 06/18] Respect length of watchpoints, Jan Kiszka, 2008/11/17
- [Qemu-devel] [PATCH v5 14/18] x86: Dump debug registers, Jan Kiszka, 2008/11/17
- [Qemu-devel] [PATCH v5 11/18] Add debug exception hook,
Jan Kiszka <=
- [Qemu-devel] [PATCH v5 10/18] Introduce BP_WATCHPOINT_HIT flag, Jan Kiszka, 2008/11/17
- [Qemu-devel] [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically, Jan Kiszka, 2008/11/17
- Re: [Qemu-devel] [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically, Anthony Liguori, 2008/11/18
- Re: [Qemu-devel] [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically, Anthony Liguori, 2008/11/18
- Re: [Qemu-devel] [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically, Anthony Liguori, 2008/11/18
- [Qemu-devel] Re: [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically, Jan Kiszka, 2008/11/18
- Re: [Qemu-devel] Re: [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically, Paul Brook, 2008/11/18
- Re: [Qemu-devel] Re: [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically, Jan Kiszka, 2008/11/18
- Re: [Qemu-devel] Re: [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically, Paul Brook, 2008/11/18
- Re: [Qemu-devel] Re: [PATCH v5 18/18] gdbstub: x86: Switch 64/32 bit registers dynamically, Jan Kiszka, 2008/11/18