hotspot/src/os/linux/vm/jvm_linux.h
author goetz
Thu, 21 Nov 2013 18:29:34 -0800
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child 33732 2a47b89db4ec
permissions -rw-r--r--
8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization. Summary: Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected. Reviewed-by: kvn
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/*
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 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef OS_LINUX_VM_JVM_LINUX_H
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#define OS_LINUX_VM_JVM_LINUX_H
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/*
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// HotSpot integration note:
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//
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// This is derived from the JDK classic file:
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// "$JDK/src/solaris/javavm/export/jvm_md.h":15 (ver. 1.10 98/04/22)
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// All local includes have been commented out.
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*/
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#ifndef JVM_MD_H
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#define JVM_MD_H
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/*
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 * This file is currently collecting system-specific dregs for the
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 * JNI conversion, which should be sorted out later.
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 */
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#include <dirent.h>             /* For DIR */
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#include <sys/param.h>          /* For MAXPATHLEN */
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#include <sys/socket.h>         /* For socklen_t */
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#include <unistd.h>             /* For F_OK, R_OK, W_OK */
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#define JNI_ONLOAD_SYMBOLS      {"JNI_OnLoad"}
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#define JNI_ONUNLOAD_SYMBOLS    {"JNI_OnUnload"}
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#define JVM_ONLOAD_SYMBOLS      {"JVM_OnLoad"}
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#define AGENT_ONLOAD_SYMBOLS    {"Agent_OnLoad"}
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#define AGENT_ONUNLOAD_SYMBOLS  {"Agent_OnUnload"}
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#define AGENT_ONATTACH_SYMBOLS  {"Agent_OnAttach"}
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#define JNI_LIB_PREFIX "lib"
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#define JNI_LIB_SUFFIX ".so"
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// Hack: MAXPATHLEN is 4095 on some Linux and 4096 on others. This may
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//       cause problems if JVM and the rest of JDK are built on different
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//       Linux releases. Here we define JVM_MAXPATHLEN to be MAXPATHLEN + 1,
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//       so buffers declared in VM are always >= 4096.
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#define JVM_MAXPATHLEN MAXPATHLEN + 1
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#define JVM_R_OK    R_OK
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#define JVM_W_OK    W_OK
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#define JVM_X_OK    X_OK
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#define JVM_F_OK    F_OK
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/*
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 * File I/O
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 */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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/* O Flags */
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#define JVM_O_RDONLY     O_RDONLY
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#define JVM_O_WRONLY     O_WRONLY
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#define JVM_O_RDWR       O_RDWR
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#define JVM_O_O_APPEND   O_APPEND
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#define JVM_O_EXCL       O_EXCL
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#define JVM_O_CREAT      O_CREAT
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/* Signal definitions */
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#define BREAK_SIGNAL     SIGQUIT           /* Thread dumping support.    */
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#define INTERRUPT_SIGNAL SIGUSR1           /* Interruptible I/O support. */
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#define SHUTDOWN1_SIGNAL SIGHUP            /* Shutdown Hooks support.    */
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#define SHUTDOWN2_SIGNAL SIGINT
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#define SHUTDOWN3_SIGNAL SIGTERM
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#endif /* JVM_MD_H */
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#endif // OS_LINUX_VM_JVM_LINUX_H