* src/vm/jit/s390/patcher.c (patcher_checkcast_instanceof_interface): Fix error intro...
[cacao.git] / src / vm / jit / s390 / patcher.c
index 78c9b1797774239993890e7a15dd821e7b926a13..7148e7804c661c58d45e2aa4ca2457389dd592b6 100644 (file)
 
 #define PATCHER_TRACE 
 
+
+/* patcher_patch_code **********************************************************
+
+   Just patches back the original machine code.
+
+*******************************************************************************/
+
+void patcher_patch_code(patchref_t *pr)
+{
+       PATCH_BACK_ORIGINAL_MCODE;
+}
+
+
 /* patcher_get_putstatic *******************************************************
 
    Machine code:
@@ -137,15 +150,15 @@ bool patcher_get_putfield(patchref_t *pr)
        /* patch correct offset */
 
        if (fi->type == TYPE_LNG) {
-               assert(N_VALID_DISP(fi->offset + 4));
+               ASSERT_VALID_DISP(fi->offset + 4);
                /* 2 RX operations, for 2 words; each already contains a 0 or 4 offset. */
-               *((u4 *) ra ) |= (fi->offset + (*((u4 *) ra) & 0xF));
-               ra += 4;
-               *((u4 *) ra ) |= (fi->offset + (*((u4 *) ra) & 0xF));
+               N_RX_SET_DISP(ra, fi->offset + N_RX_GET_DISP(ra));
+               ra += SZ_RX;
+               N_RX_SET_DISP(ra, fi->offset + N_RX_GET_DISP(ra));
        } else {
-               assert(N_VALID_DISP(fi->offset));
+               ASSERT_VALID_DISP(fi->offset);
                /* 1 RX operation */
-               *((u4 *) ra) |= fi->offset;
+               N_RX_SET_DISP(ra, fi->offset);
        }
 
        return true;
@@ -224,9 +237,9 @@ bool patcher_invokevirtual(patchref_t *pr)
        off = (s4) (OFFSET(vftbl_t, table[0]) +
                                                                   sizeof(methodptr) * m->vftblindex);
 
-       assert(N_VALID_DISP(off));
+       ASSERT_VALID_DISP(off);
 
-       *((s4 *)(ra + 4)) |= off;
+       N_RX_SET_DISP(ra + SZ_RX, off);
 
        return true;
 }
@@ -277,12 +290,13 @@ bool patcher_invokeinterface(patchref_t *pr)
 
        off =
                (s4) (sizeof(methodptr) * (m - m->class->methods));
+
        ASSERT_VALID_DISP(off);
 
        /* patch them */
 
-       *((s4 *)(ra + 4)) |= (u2)idx;
-       *((s4 *)(ra + 4 + 4 + 4)) |= off;
+       N_RI_SET_IMM(ra + SZ_L, idx);
+       N_RX_SET_DISP(ra + SZ_L + SZ_LHI + SZ_L, off);
 
        return true;
 }
@@ -430,27 +444,27 @@ bool patcher_checkcast_instanceof_interface(patchref_t *pr)
 
        /* From here, split your editor and open codegen.c */
 
-       switch (*(ra + 1) >> 4) {
+       switch (N_RX_GET_REG(ra)) {
                case REG_ITMP1: 
                        /* First M_ALD is into ITMP1 */
                        /* INSTANCEOF code */
 
-                       *(u4 *)(ra + SZ_L + SZ_L) |= (u2)(s2)(- c->index);
-                       *(u4 *)(ra + SZ_L + SZ_L + SZ_AHI + SZ_BRC) |=
-                               (u2)(s2)(OFFSET(vftbl_t, interfacetable[0]) -
-                                       c->index * sizeof(methodptr*));
-
+                       N_RI_SET_IMM(ra + SZ_L + SZ_L, - c->index);
+                       N_RI_SET_IMM(
+                               ra + SZ_L + SZ_L + SZ_AHI + SZ_BRC,
+                               (int16_t)(OFFSET(vftbl_t, interfacetable[0]) - c->index * sizeof(methodptr*))
+                       );
                        break;
 
                case REG_ITMP2:
                        /* First M_ALD is into ITMP2 */
                        /* CHECKCAST code */
 
-                       *(u4 *)(ra + SZ_L + SZ_L) |= (u2)(s2)(- c->index);
-                       *(u4 *)(ra + SZ_L + SZ_L + SZ_AHI + SZ_BRC + SZ_ILL) |=
-                               (u2)(s2)(OFFSET(vftbl_t, interfacetable[0]) -
-                                       c->index * sizeof(methodptr*));
-
+                       N_RI_SET_IMM(ra + SZ_L + SZ_L, - c->index);
+                       N_RI_SET_IMM(
+                               ra + SZ_L + SZ_L + SZ_AHI + SZ_BRC + SZ_ILL,
+                               (int16_t)(OFFSET(vftbl_t, interfacetable[0]) - c->index * sizeof(methodptr*))
+                       );
                        break;
 
                default:
@@ -461,103 +475,6 @@ bool patcher_checkcast_instanceof_interface(patchref_t *pr)
        return true;
 }
 
-/* patcher_clinit **************************************************************
-
-   May be used for GET/PUTSTATIC and in native stub.
-
-   Machine code:
-
-*******************************************************************************/
-
-bool patcher_clinit(patchref_t *pr)
-{
-       classinfo *c;
-
-       PATCHER_TRACE;
-
-       /* get stuff from the stack */
-
-       c     = (classinfo *)pr->ref;
-
-       /* check if the class is initialized */
-
-       if (!(c->state & CLASS_INITIALIZED))
-               if (!initialize_class(c))
-                       return false;
-
-       /* patch back original code */
-
-       PATCH_BACK_ORIGINAL_MCODE;
-
-       return true;
-}
-
-
-/* patcher_athrow_areturn ******************************************************
-
-   Machine code:
-
-   <patched call position>
-
-*******************************************************************************/
-
-#ifdef ENABLE_VERIFIER
-bool patcher_athrow_areturn(patchref_t *pr)
-{
-       unresolved_class *uc;
-
-       PATCHER_TRACE;
-
-       /* get stuff from the stack */
-
-       uc    = (unresolved_class *) pr->ref;
-
-       /* resolve the class and check subtype constraints */
-
-       if (!resolve_class_eager_no_access_check(uc))
-               return false;
-
-       /* patch back original code */
-
-       PATCH_BACK_ORIGINAL_MCODE;
-
-       return true;
-}
-#endif /* ENABLE_VERIFIER */
-
-
-/* patcher_resolve_native ******************************************************
-
-*******************************************************************************/
-
-#if !defined(WITH_STATIC_CLASSPATH)
-bool patcher_resolve_native_function(patchref_t *pr)
-{
-       methodinfo  *m;
-       u1          *datap;
-       functionptr  f;
-
-       PATCHER_TRACE;
-
-       /* get stuff from the stack */
-
-       m     = (methodinfo *) pr->ref;
-       datap = (u1 *)         pr->datap;
-
-       /* resolve native function */
-
-       if (!(f = native_resolve_function(m)))
-               return false;
-
-       PATCH_BACK_ORIGINAL_MCODE;
-
-       /* patch native function pointer */
-
-       *((ptrint *) datap) = (ptrint) f;
-
-       return true;
-}
-#endif /* !defined(WITH_STATIC_CLASSPATH) */
 
 /*
  * These are local overrides for various environment variables in Emacs.