SPARC gencgc

[sbcl.git] / src / runtime / interrupt.h

diff --git a/src/runtime/interrupt.h b/src/runtime/interrupt.h
index 05c6638..3a6a51b 100644 (file)
--- a/src/runtime/interrupt.h
+++ b/src/runtime/interrupt.h
@@ -113,7 +113,7 @@ struct interrupt_data {
      * and with no pending handler. Both deferrable interrupt handlers
      * and gc are careful not to clobber each other's pending_mask. */
     boolean gc_blocked_deferrables;
-#ifdef LISP_FEATURE_PPC
+#ifdef GENCGC_IS_PRECISE
     /* On PPC when consing wants to turn to alloc(), it does so via a
      * trap. When alloc() wants to save the sigmask it consults
      * allocation_trap_context. It does not look up the most recent
@@ -123,10 +123,15 @@ struct interrupt_data {
 #endif
 };
 
+typedef lispobj (*call_into_lisp_lookalike)(
+    lispobj fun, lispobj *args, int nargs);
+
 extern boolean interrupt_handler_pending_p(void);
 extern void interrupt_init(void);
 extern void fake_foreign_function_call(os_context_t* context);
 extern void undo_fake_foreign_function_call(os_context_t* context);
+extern void arrange_return_to_c_function(
+    os_context_t *, call_into_lisp_lookalike, lispobj);
 extern void arrange_return_to_lisp_function(os_context_t *, lispobj);
 extern void interrupt_handle_now(int, siginfo_t*, os_context_t*);
 extern void interrupt_handle_pending(os_context_t*);
@@ -171,4 +176,10 @@ extern void lisp_memory_fault_error(os_context_t *context,
 extern void lower_thread_control_stack_guard_page(struct thread *th);
 extern void reset_thread_control_stack_guard_page(struct thread *th);
 
+#if defined(LISP_FEATURE_SB_SAFEPOINT) && !defined(LISP_FEATURE_WIN32)
+# ifdef LISP_FEATURE_SB_THRUPTION
+void thruption_handler(int signal, siginfo_t *info, os_context_t *context);
+# endif
+#endif
+
 #endif