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-rw-r--r--include/exec/cpu-common.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index 41788c0bdd..605b160a7e 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -7,6 +7,13 @@
 #include "exec/hwaddr.h"
 #endif
 
+#define EXCP_INTERRUPT  0x10000 /* async interruption */
+#define EXCP_HLT        0x10001 /* hlt instruction reached */
+#define EXCP_DEBUG      0x10002 /* cpu stopped after a breakpoint or singlestep */
+#define EXCP_HALTED     0x10003 /* cpu is halted (waiting for external event) */
+#define EXCP_YIELD      0x10004 /* cpu wants to yield timeslice to another */
+#define EXCP_ATOMIC     0x10005 /* stop-the-world and emulate atomic */
+
 /**
  * vaddr:
  * Type wide enough to contain any #target_ulong virtual address.
@@ -166,4 +173,36 @@ int cpu_memory_rw_debug(CPUState *cpu, vaddr addr,
 /* vl.c */
 void list_cpus(void);
 
+#ifdef CONFIG_TCG
+/**
+ * cpu_unwind_state_data:
+ * @cpu: the cpu context
+ * @host_pc: the host pc within the translation
+ * @data: output data
+ *
+ * Attempt to load the the unwind state for a host pc occurring in
+ * translated code.  If @host_pc is not in translated code, the
+ * function returns false; otherwise @data is loaded.
+ * This is the same unwind info as given to restore_state_to_opc.
+ */
+bool cpu_unwind_state_data(CPUState *cpu, uintptr_t host_pc, uint64_t *data);
+
+/**
+ * cpu_restore_state:
+ * @cpu: the cpu context
+ * @host_pc: the host pc within the translation
+ * @return: true if state was restored, false otherwise
+ *
+ * Attempt to restore the state for a fault occurring in translated
+ * code. If @host_pc is not in translated code no state is
+ * restored and the function returns false.
+ */
+bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc);
+
+G_NORETURN void cpu_loop_exit_noexc(CPUState *cpu);
+G_NORETURN void cpu_loop_exit_atomic(CPUState *cpu, uintptr_t pc);
+#endif /* CONFIG_TCG */
+G_NORETURN void cpu_loop_exit(CPUState *cpu);
+G_NORETURN void cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc);
+
 #endif /* CPU_COMMON_H */