Changeset 9472 for branches

Timestamp:

May 14, 2008, 10:54:49 AM (17 years ago)

Author:

R. Matthew Emerson

Message:

handle_gc_trap: on x8632, look for arg in mm0 (instead of imm1 as on x8664).
Also use temp0 in lieu of arg_x when handling configure egc selector.

File:

• branches/ia32/lisp-kernel/x86-exceptions.c (modified) (3 diffs)

branches/ia32/lisp-kernel/x86-exceptions.c

@@ -150 +150 @@
 handle_gc_trap(ExceptionInformation *xp, TCR *tcr)
 {
-#ifdef X8664
-  LispObj 
-    selector = xpGPR(xp,Iimm0), 
-    arg = xpGPR(xp,Iimm1);
+  LispObj selector = xpGPR(xp,Iimm0);
+#ifdef X8664
+  LispObj arg = xpGPR(xp,Iimm1);
+#else
+  LispObj arg = xpMMXreg(xp,Imm0);
+#endif
   area *a = active_dynamic_area;
   Boolean egc_was_enabled = (a->older != NULL);
@@ -165 +167 @@
 
   case GC_TRAP_FUNCTION_CONFIGURE_EGC:
+#ifdef X8664
     a->threshold = unbox_fixnum(xpGPR(xp, Iarg_x));
+#else
+    a->threshold = unbox_fixnum(xpGPR(xp, Itemp0));
+#endif
     g1_area->threshold = unbox_fixnum(xpGPR(xp, Iarg_y));
     g2_area->threshold = unbox_fixnum(xpGPR(xp, Iarg_z));
@@ -247 +253 @@
     break;
   }
-#endif
   return true;
 }