jdk-24/src/hotspot/cpu/sparc/globalDefinitions_sparc.hpp

/*
 * Copyright (c) 1999, 2017, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
#define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP

// Size of Sparc Instructions
const int BytesPerInstWord = 4;

const int StackAlignmentInBytes = (2*wordSize);

// Indicates whether the C calling conventions require that
// 32-bit integer argument values are extended to 64 bits.
const bool CCallingConventionRequiresIntsAsLongs = true;

#define SUPPORTS_NATIVE_CX8

// The expected size in bytes of a cache line, used to pad data structures.
#if defined(TIERED)
  // tiered, 64-bit, large machine
  #define DEFAULT_CACHE_LINE_SIZE 128
#elif defined(COMPILER1)
  // pure C1, 32-bit, small machine
  #define DEFAULT_CACHE_LINE_SIZE 16
#elif defined(COMPILER2)
  // pure C2, 64-bit, large machine
  #define DEFAULT_CACHE_LINE_SIZE 128
#endif

#if defined(SOLARIS)
#define SUPPORT_RESERVED_STACK_AREA
#endif

// SPARC have implemented the local polling
#define THREAD_LOCAL_POLL

#endif // CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
Initial load 2007-12-01 00:00:00 +00:00			`/*`
8150388: Remove SPARC 32-bit support Reviewed-by: hseigel, coleenp, dholmes, kvn 2017-04-12 17:52:04 -04:00			`* Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved.`
Initial load 2007-12-01 00:00:00 +00:00			`* 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.`
			`*`
6941466: Oracle rebranding changes for Hotspot repositories Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair 2010-05-27 19:08:38 -07:00			`* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA`
			`* or visit www.oracle.com if you need additional information or have any`
			`* questions.`
Initial load 2007-12-01 00:00:00 +00:00			`*`
			`*/`

6989984: Use standard include model for Hospot Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg 2010-11-23 13:22:55 -08:00			`#ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP`
			`#define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP`

Initial load 2007-12-01 00:00:00 +00:00			`// Size of Sparc Instructions`
			`const int BytesPerInstWord = 4;`

			`const int StackAlignmentInBytes = (2*wordSize);`
6989984: Use standard include model for Hospot Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg 2010-11-23 13:22:55 -08:00
8144466: ppc64: fix argument passing through opto stubs Reviewed-by: kvn 2015-12-07 15:42:47 +01:00			`// Indicates whether the C calling conventions require that`
			`// 32-bit integer argument values are extended to 64 bits.`
8056950: Compiled code (64-bit) on SPARC should sign extend INT parameters passed on registers to runtime or native methods Reviewed-by: thartmann, simonis 2016-07-04 16:28:27 +02:00			`const bool CCallingConventionRequiresIntsAsLongs = true;`
8144466: ppc64: fix argument passing through opto stubs Reviewed-by: kvn 2015-12-07 15:42:47 +01:00
8013633: Cleanup platform ifdefs in unsafe.cpp Replace ifdefs with SUPPORTS_NATIVE_CX8 set in platform include file Reviewed-by: dholmes, dlong 2013-05-07 10:19:33 -04:00			`#define SUPPORTS_NATIVE_CX8`

8049737: Contended Locking reorder and cache line bucket JEP-143/JDK-8046133 - optimization #1 - reorder and cache line bucket. Co-authored-by: Dave Dice <dave.dice@oracle.com> Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com> Reviewed-by: shade, dice, dholmes, dsimms 2014-10-14 10:32:12 -07:00			`// The expected size in bytes of a cache line, used to pad data structures.`
			`#if defined(TIERED)`
8150388: Remove SPARC 32-bit support Reviewed-by: hseigel, coleenp, dholmes, kvn 2017-04-12 17:52:04 -04:00			`// tiered, 64-bit, large machine`
			`#define DEFAULT_CACHE_LINE_SIZE 128`
8049737: Contended Locking reorder and cache line bucket JEP-143/JDK-8046133 - optimization #1 - reorder and cache line bucket. Co-authored-by: Dave Dice <dave.dice@oracle.com> Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com> Reviewed-by: shade, dice, dholmes, dsimms 2014-10-14 10:32:12 -07:00			`#elif defined(COMPILER1)`
			`// pure C1, 32-bit, small machine`
			`#define DEFAULT_CACHE_LINE_SIZE 16`
8171853: Remove Shark compiler Reviewed-by: dholmes, kvn, erikj, ihse 2017-10-15 22:54:03 +02:00			`#elif defined(COMPILER2)`
8150388: Remove SPARC 32-bit support Reviewed-by: hseigel, coleenp, dholmes, kvn 2017-04-12 17:52:04 -04:00			`// pure C2, 64-bit, large machine`
			`#define DEFAULT_CACHE_LINE_SIZE 128`
8049737: Contended Locking reorder and cache line bucket JEP-143/JDK-8046133 - optimization #1 - reorder and cache line bucket. Co-authored-by: Dave Dice <dave.dice@oracle.com> Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com> Reviewed-by: shade, dice, dholmes, dsimms 2014-10-14 10:32:12 -07:00			`#endif`

8046936: JEP 270: Reserved Stack Areas for Critical Sections Reviewed-by: acorn, dcubed 2015-12-11 09:07:07 -08:00			`#if defined(SOLARIS)`
			`#define SUPPORT_RESERVED_STACK_AREA`
			`#endif`

8189941: Implementation JEP 312: Thread-local handshake Introduce a way to execute a callback on threads without performing a global VM safepoint. Make it both possible and cheap to stop individual threads and not just all threads or none. Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com> Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com> Reviewed-by: mdoerr, neliasso, acorn, aph, coleenp, dholmes 2017-08-31 10:00:28 +02:00			`// SPARC have implemented the local polling`
			`#define THREAD_LOCAL_POLL`

6989984: Use standard include model for Hospot Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg 2010-11-23 13:22:55 -08:00			`#endif // CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP`