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| author |   aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-11-18 20:50:36 +0000 |
|---|---|---|
| committer | aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-11-18 20:50:36 +0000 |
| commit | dde2367e209681cb606e137d15e10f976a6e2787 (patch) | |
| tree | d447a347838067af681c4411892f632b80de78c5 /cpu-exec.c | |
| parent | Introduce BP_WATCHPOINT_HIT flag (Jan Kiszka) (diff) | |
| download | qemu-kvm-dde2367e209681cb606e137d15e10f976a6e2787.tar.gz qemu-kvm-dde2367e209681cb606e137d15e10f976a6e2787.tar.bz2 qemu-kvm-dde2367e209681cb606e137d15e10f976a6e2787.zip | |
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 <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5745 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'cpu-exec.c')
| -rw-r--r-- | cpu-exec.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/cpu-exec.c b/cpu-exec.c index 191d9e428..8d86527b8 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 */ |