--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cpu/sparc/vm/relocInfo_sparc.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,195 @@
+/*
+ * Copyright 1998-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+# include "incls/_precompiled.incl"
+# include "incls/_relocInfo_sparc.cpp.incl"
+
+void Relocation::pd_set_data_value(address x, intptr_t o) {
+  NativeInstruction* ip = nativeInstruction_at(addr());
+  jint inst = ip->long_at(0);
+  assert(inst != NativeInstruction::illegal_instruction(), "no breakpoint");
+  switch (Assembler::inv_op(inst)) {
+
+  case Assembler::ldst_op:
+    #ifdef ASSERT
+      switch (Assembler::inv_op3(inst)) {
+        case Assembler::lduw_op3:
+        case Assembler::ldub_op3:
+        case Assembler::lduh_op3:
+        case Assembler::ldd_op3:
+        case Assembler::ldsw_op3:
+        case Assembler::ldsb_op3:
+        case Assembler::ldsh_op3:
+        case Assembler::ldx_op3:
+        case Assembler::ldf_op3:
+        case Assembler::lddf_op3:
+        case Assembler::stw_op3:
+        case Assembler::stb_op3:
+        case Assembler::sth_op3:
+        case Assembler::std_op3:
+        case Assembler::stx_op3:
+        case Assembler::stf_op3:
+        case Assembler::stdf_op3:
+        case Assembler::casa_op3:
+        case Assembler::casxa_op3:
+          break;
+        default:
+          ShouldNotReachHere();
+      }
+      goto do_non_sethi;
+    #endif
+
+  case Assembler::arith_op:
+    #ifdef ASSERT
+      switch (Assembler::inv_op3(inst)) {
+        case Assembler::or_op3:
+        case Assembler::add_op3:
+        case Assembler::jmpl_op3:
+          break;
+        default:
+          ShouldNotReachHere();
+      }
+    do_non_sethi:;
+    #endif
+    {
+    guarantee(Assembler::inv_immed(inst), "must have a simm13 field");
+    int simm13 = Assembler::low10((intptr_t)x) + o;
+    guarantee(Assembler::is_simm13(simm13), "offset can't overflow simm13");
+    inst &= ~Assembler::simm(    -1, 13);
+    inst |=  Assembler::simm(simm13, 13);
+    ip->set_long_at(0, inst);
+    }
+    break;
+
+  case Assembler::branch_op:
+    {
+#ifdef _LP64
+    jint inst2;
+    guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi");
+    ip->set_data64_sethi( ip->addr_at(0), (intptr_t)x );
+#ifdef COMPILER2
+    // [RGV] Someone must have missed putting in a reloc entry for the
+    // add in compiler2.
+    inst2 = ip->long_at( NativeMovConstReg::add_offset );
+    guarantee(Assembler::inv_op(inst2)==Assembler::arith_op, "arith op");
+    ip->set_long_at(NativeMovConstReg::add_offset,ip->set_data32_simm13( inst2, (intptr_t)x+o));
+#endif
+#else
+    guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi");
+    inst &= ~Assembler::hi22(     -1);
+    inst |=  Assembler::hi22((intptr_t)x);
+    // (ignore offset; it doesn't play into the sethi)
+    ip->set_long_at(0, inst);
+#endif
+    }
+    break;
+
+  default:
+    guarantee(false, "instruction must perform arithmetic or memory access");
+  }
+}
+
+
+address Relocation::pd_call_destination(address orig_addr) {
+  intptr_t adj = 0;
+  if (orig_addr != NULL) {
+    // We just moved this call instruction from orig_addr to addr().
+    // This means its target will appear to have grown by addr() - orig_addr.
+    adj = -( addr() - orig_addr );
+  }
+  if (NativeCall::is_call_at(addr())) {
+    NativeCall* call = nativeCall_at(addr());
+    return call->destination() + adj;
+  }
+  if (NativeFarCall::is_call_at(addr())) {
+    NativeFarCall* call = nativeFarCall_at(addr());
+    return call->destination() + adj;
+  }
+  // Special case:  Patchable branch local to the code cache.
+  // This will break badly if the code cache grows larger than a few Mb.
+  NativeGeneralJump* br = nativeGeneralJump_at(addr());
+  return br->jump_destination() + adj;
+}
+
+
+void Relocation::pd_set_call_destination(address x) {
+  if (NativeCall::is_call_at(addr())) {
+    NativeCall* call = nativeCall_at(addr());
+    call->set_destination(x);
+    return;
+  }
+  if (NativeFarCall::is_call_at(addr())) {
+    NativeFarCall* call = nativeFarCall_at(addr());
+    call->set_destination(x);
+    return;
+  }
+  // Special case:  Patchable branch local to the code cache.
+  // This will break badly if the code cache grows larger than a few Mb.
+  NativeGeneralJump* br = nativeGeneralJump_at(addr());
+  br->set_jump_destination(x);
+}
+
+
+address* Relocation::pd_address_in_code() {
+  // SPARC never embeds addresses in code, at present.
+  //assert(type() == relocInfo::oop_type, "only oops are inlined at present");
+  return (address*)addr();
+}
+
+
+address Relocation::pd_get_address_from_code() {
+  // SPARC never embeds addresses in code, at present.
+  //assert(type() == relocInfo::oop_type, "only oops are inlined at present");
+  return *(address*)addr();
+}
+
+
+int Relocation::pd_breakpoint_size() {
+  // minimum breakpoint size, in short words
+  return NativeIllegalInstruction::instruction_size / sizeof(short);
+}
+
+void Relocation::pd_swap_in_breakpoint(address x, short* instrs, int instrlen) {
+  Untested("pd_swap_in_breakpoint");
+  // %%% probably do not need a general instrlen; just use the trap size
+  if (instrs != NULL) {
+    assert(instrlen * sizeof(short) == NativeIllegalInstruction::instruction_size, "enough instrlen in reloc. data");
+    for (int i = 0; i < instrlen; i++) {
+      instrs[i] = ((short*)x)[i];
+    }
+  }
+  NativeIllegalInstruction::insert(x);
+}
+
+
+void Relocation::pd_swap_out_breakpoint(address x, short* instrs, int instrlen) {
+  Untested("pd_swap_out_breakpoint");
+  assert(instrlen * sizeof(short) == sizeof(int), "enough buf");
+  union { int l; short s[1]; } u;
+  for (int i = 0; i < instrlen; i++) {
+    u.s[i] = instrs[i];
+  }
+  NativeInstruction* ni = nativeInstruction_at(x);
+  ni->set_long_at(0, u.l);
+}