--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os_cpu/solaris_x86/vm/assembler_solaris_x86_32.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,87 @@
+/*
+ * Copyright 1999-2003 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/_assembler_solaris_x86_32.cpp.incl"
+
+
+void MacroAssembler::int3() {
+  pushl(rax);
+  pushl(rdx);
+  pushl(rcx);
+  call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
+  popl(rcx);
+  popl(rdx);
+  popl(rax);
+}
+
+void MacroAssembler::get_thread(Register thread) {
+
+  // Try to emit a Solaris-specific fast TSD/TLS accessor.
+  ThreadLocalStorage::pd_tlsAccessMode tlsMode = ThreadLocalStorage::pd_getTlsAccessMode () ;
+  if (tlsMode == ThreadLocalStorage::pd_tlsAccessIndirect) {            // T1
+     // Use thread as a temporary: mov r, gs:[0]; mov r, [r+tlsOffset]
+     emit_byte (Assembler::GS_segment) ;
+     // ExternalAddress doesn't work because it can't take NULL
+     AddressLiteral null(0, relocInfo::none);
+     movptr (thread, null);
+     movl (thread, Address(thread, ThreadLocalStorage::pd_getTlsOffset())) ;
+     return ;
+  } else
+  if (tlsMode == ThreadLocalStorage::pd_tlsAccessDirect) {              // T2
+     // mov r, gs:[tlsOffset]
+     emit_byte (Assembler::GS_segment) ;
+     AddressLiteral tls((address)ThreadLocalStorage::pd_getTlsOffset(), relocInfo::none);
+     movptr (thread, tls);
+     return ;
+  }
+
+  // slow call to of thr_getspecific
+  // int thr_getspecific(thread_key_t key, void **value);
+  // Consider using pthread_getspecific instead.
+
+  pushl(0);                                                             // allocate space for return value
+  if (thread != rax) pushl(rax);                                        // save rax, if caller still wants it
+  pushl(rcx);                                                           // save caller save
+  pushl(rdx);                                                           // save caller save
+  if (thread != rax) {
+    leal(thread, Address(rsp, 3 * sizeof(int)));                        // address of return value
+  } else {
+    leal(thread, Address(rsp, 2 * sizeof(int)));                        // address of return value
+  }
+  pushl(thread);                                                        // and pass the address
+  pushl(ThreadLocalStorage::thread_index());                            // the key
+  call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific)));
+  increment(rsp, 2 * wordSize);
+  popl(rdx);
+  popl(rcx);
+  if (thread != rax) popl(rax);
+  popl(thread);
+}
+
+bool MacroAssembler::needs_explicit_null_check(int offset) {
+  // Identical to Sparc/Solaris code
+  bool offset_in_first_page =   0 <= offset  &&  offset < os::vm_page_size();
+  return !offset_in_first_page;
+}