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
/*
* Copyright (c) 2005, 2012, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 _JLI_UTIL_H
#define _JLI_UTIL_H
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <jni.h>
#define JLDEBUG_ENV_ENTRY "_JAVA_LAUNCHER_DEBUG"
void *JLI_MemAlloc(size_t size);
void *JLI_MemRealloc(void *ptr, size_t size);
char *JLI_StringDup(const char *s1);
void JLI_MemFree(void *ptr);
int JLI_StrCCmp(const char *s1, const char* s2);
typedef struct {
char *arg;
jboolean has_wildcard;
} StdArg;
StdArg *JLI_GetStdArgs();
int JLI_GetStdArgc();
#define JLI_StrLen(p1) strlen((p1))
#define JLI_StrChr(p1, p2) strchr((p1), (p2))
#define JLI_StrRChr(p1, p2) strrchr((p1), (p2))
#define JLI_StrCmp(p1, p2) strcmp((p1), (p2))
#define JLI_StrNCmp(p1, p2, p3) strncmp((p1), (p2), (p3))
#define JLI_StrCat(p1, p2) strcat((p1), (p2))
#define JLI_StrCpy(p1, p2) strcpy((p1), (p2))
#define JLI_StrNCpy(p1, p2, p3) strncpy((p1), (p2), (p3))
#define JLI_StrStr(p1, p2) strstr((p1), (p2))
#define JLI_StrSpn(p1, p2) strspn((p1), (p2))
#define JLI_StrCSpn(p1, p2) strcspn((p1), (p2))
#define JLI_StrPBrk(p1, p2) strpbrk((p1), (p2))
#define JLI_StrTok(p1, p2) strtok((p1), (p2))
/* On Windows lseek() is in io.h rather than the location dictated by POSIX. */
#ifdef _WIN32
#include <windows.h>
#include <io.h>
#define JLI_StrCaseCmp(p1, p2) stricmp((p1), (p2))
#define JLI_StrNCaseCmp(p1, p2, p3) strnicmp((p1), (p2), (p3))
int JLI_Snprintf(char *buffer, size_t size, const char *format, ...);
void JLI_CmdToArgs(char *cmdline);
#define JLI_Lseek _lseeki64
#else /* NIXES */
#include <unistd.h>
#include <strings.h>
#define JLI_StrCaseCmp(p1, p2) strcasecmp((p1), (p2))
#define JLI_StrNCaseCmp(p1, p2, p3) strncasecmp((p1), (p2), (p3))
#define JLI_Snprintf snprintf
#ifdef __solaris__
#define JLI_Lseek llseek
#endif
#ifdef __linux__
#define _LARGFILE64_SOURCE
#define JLI_Lseek lseek64
#endif
#ifdef MACOSX
#define JLI_Lseek lseek
#endif
#endif /* _WIN32 */
/*
* Make launcher spit debug output.
*/
void JLI_TraceLauncher(const char* fmt, ...);
void JLI_SetTraceLauncher();
jboolean JLI_IsTraceLauncher();
#endif /* _JLI_UTIL_H */