@@ -111,6 +111,32 @@ struct TCGCPUOps {
*/
bool (*io_recompile_replay_branch)(CPUState *cpu,
const TranslationBlock *tb);
+#else
+ /**
+ * record_sigsegv:
+ * @cpu: cpu context
+ * @addr: faulting guest address
+ * @access_type: access was read/write/execute
+ * @maperr: true for invalid page, false for permission fault
+ * @ra: host pc for unwinding
+ *
+ * We are about to raise SIGSEGV with si_code set for @maperr,
+ * and si_addr set for @addr. Record anything further needed
+ * for the signal ucontext_t.
+ *
+ * If the emulated kernel does not provide anything to the signal
+ * handler with anything besides the user context registers, and
+ * the siginfo_t, then this hook need do nothing and may be omitted.
+ * Otherwise, record the data and return; the caller will raise
+ * the signal, unwind the cpu state, and return to the main loop.
+ *
+ * If it is simpler to re-use the sysemu tlb_fill code, @ra is provided
+ * so that a "normal" cpu exception can be raised. In this case,
+ * the signal must be raised by the architecture cpu_loop.
+ */
+ void (*record_sigsegv)(CPUState *cpu, vaddr addr,
+ MMUAccessType access_type,
+ bool maperr, uintptr_t ra);
#endif /* CONFIG_SOFTMMU */
#endif /* NEED_CPU_H */