1.0.5.49: interrupt & GC & PA handling

[sbcl.git] / src / runtime / ppc-arch.c

diff --git a/src/runtime/ppc-arch.c b/src/runtime/ppc-arch.c
index 55bc375..e2d5c67 100644 (file)
--- a/src/runtime/ppc-arch.c
+++ b/src/runtime/ppc-arch.c
@@ -84,7 +84,18 @@ arch_internal_error_arguments(os_context_t *context)
 boolean
 arch_pseudo_atomic_atomic(os_context_t *context)
 {
-    return ((*os_context_register_addr(context,reg_ALLOC)) & 4);
+    /* FIXME: this foreign_function_call_active test is dubious at
+     * best. If a foreign call is made in a pseudo atomic section
+     * (?) or more likely a pseudo atomic section is in a foreign
+     * call then an interrupt is executed immediately. Maybe it
+     * has to do with C code not maintaining pseudo atomic
+     * properly. MG - 2005-08-10
+     *
+     * The foreign_function_call_active used to live at each call-site
+     * to arch_pseudo_atomic_atomic, but this seems clearer.
+     * --NS 2007-05-15 */
+    return (!foreign_function_call_active)
+        && ((*os_context_register_addr(context,reg_ALLOC)) & 4);
 }
 
 void
@@ -443,9 +454,7 @@ sigtrap_handler(int signal, siginfo_t *siginfo, os_context_t *context)
     if ((code >> 16) == ((3 << 10) | (6 << 5))) {
         /* twllei reg_ZERO,N will always trap if reg_ZERO = 0 */
         int trap = code & 0x1f;
-
-        if (!maybe_handle_trap(context,trap))
-            interrupt_handle_now(signal, siginfo, context);
+        handle_trap(context,trap);
 
 #ifdef LISP_FEATURE_DARWIN
         DARWIN_FIX_CONTEXT(context);
@@ -474,49 +483,6 @@ void arch_install_interrupt_handlers()
     undoably_install_low_level_interrupt_handler(SIGTRAP,sigtrap_handler);
 }
 
-
-extern lispobj call_into_lisp(lispobj fun, lispobj *args, int nargs);
-
-lispobj funcall0(lispobj function)
-{
-    lispobj *args = current_control_stack_pointer;
-
-    return call_into_lisp(function, args, 0);
-}
-
-lispobj funcall1(lispobj function, lispobj arg0)
-{
-    lispobj *args = current_control_stack_pointer;
-
-    current_control_stack_pointer += 1;
-    args[0] = arg0;
-
-    return call_into_lisp(function, args, 1);
-}
-
-lispobj funcall2(lispobj function, lispobj arg0, lispobj arg1)
-{
-    lispobj *args = current_control_stack_pointer;
-
-    current_control_stack_pointer += 2;
-    args[0] = arg0;
-    args[1] = arg1;
-
-    return call_into_lisp(function, args, 2);
-}
-
-lispobj funcall3(lispobj function, lispobj arg0, lispobj arg1, lispobj arg2)
-{
-    lispobj *args = current_control_stack_pointer;
-
-    current_control_stack_pointer += 3;
-    args[0] = arg0;
-    args[1] = arg1;
-    args[2] = arg2;
-
-    return call_into_lisp(function, args, 3);
-}
-
 void
 ppc_flush_icache(os_vm_address_t address, os_vm_size_t length)
 {