diff options
Diffstat (limited to 'cpu-exec.c')
| -rw-r--r-- | cpu-exec.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/cpu-exec.c b/cpu-exec.c index 34eaedca04..5cc937904a 100644 --- a/cpu-exec.c +++ b/cpu-exec.c @@ -196,6 +196,30 @@ 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; + + if (!env->watchpoint_hit) { + QTAILQ_FOREACH(wp, &env->watchpoints, entry) { + wp->flags &= ~BP_WATCHPOINT_HIT; + } + } + if (debug_excp_handler) { + debug_excp_handler(env); + } +} + /* main execution loop */ volatile sig_atomic_t exit_request; @@ -269,6 +293,9 @@ int cpu_exec(CPUState *env1) if (env->exception_index >= EXCP_INTERRUPT) { /* exit request from the cpu execution loop */ ret = env->exception_index; + if (ret == EXCP_DEBUG) { + cpu_handle_debug_exception(env); + } break; } else { #if defined(CONFIG_USER_ONLY) |