c9640b919d
2007-06-28 Jan Nijtmans <nijtmans@users.sourceforge.net> PR libgcj/30999: * jni_md.h: Add the possibility to compile jni code with. -fvisibility=hidden. This causes all symbols to be hidden except the JNI functions which need to be exported. From-SVN: r126090
152 lines
4.5 KiB
C
152 lines
4.5 KiB
C
/* jni_md.h
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Copyright (C) 2001, 2005, 2007 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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#ifndef __GCJ_JNI_MD_H__
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#define __GCJ_JNI_MD_H__
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#include <gcj/libgcj-config.h>
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#ifdef __GCJ_JNI_IMPL__
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/* If __GCJ_JNI_IMPL__ is defined, then we assume that we're building
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libgcj itself, and we include headers which taint the namespace
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more than is acceptable for the ordinary JNI user. */
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#include <gcj/javaprims.h>
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#include <gcj/array.h>
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#include <gnu/gcj/runtime/JNIWeakRef.h>
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typedef gnu::gcj::runtime::JNIWeakRef *jweak;
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typedef struct _Jv_JNIEnv JNIEnv;
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typedef struct _Jv_JavaVM JavaVM;
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#define JNI_TRUE true
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#define JNI_FALSE false
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/* We defined jobject and friends, so don't redefine them in jni.h. */
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#define _CLASSPATH_VM_JNI_TYPES_DEFINED
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/* We defined jmethodID and and jfieldID, so don't redefine them in
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jni.h. */
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#define _CLASSPATH_VM_INTERNAL_TYPES_DEFINED
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/* Contents of the JNIEnv; but only inside the implementation. */
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#define _CLASSPATH_JNIENV_CONTENTS \
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/* The current exception. */ \
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jthrowable ex; \
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\
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/* The chain of local frames. */ \
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struct _Jv_JNI_LocalFrame *locals; \
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\
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/* The bottom-most element of the chain, initialized with the env and \
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reused between non-nesting JNI calls. */ \
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struct _Jv_JNI_LocalFrame *bottom_locals;
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#else /* __GCJ_JNI_IMPL__ */
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# ifdef __GNUC__
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/* If we're using gcc, we can use a platform-independent scheme to get
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the right integer types. FIXME: this is not always correct, for
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instance on the c4x it will be wrong -- it depends on whether
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QImode is 8 bits. */
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typedef int jbyte __attribute__((__mode__(__QI__)));
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typedef int jshort __attribute__((__mode__(__HI__)));
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typedef int jint __attribute__((__mode__(__SI__)));
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typedef int jlong __attribute__((__mode__(__DI__)));
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typedef int jboolean __attribute__((__mode__(__QI__)));
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typedef unsigned short jchar __attribute__((__mode__(__HI__)));
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typedef float jfloat;
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typedef double jdouble;
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typedef jint jsize;
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# else /* __GNUC__ */
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# ifdef JV_HAVE_INTTYPES_H
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/* If <inttypes.h> is available, we use it. */
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# include <inttypes.h>
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typedef int8_t jbyte;
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typedef int16_t jshort;
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typedef int32_t jint;
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typedef int64_t jlong;
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typedef float jfloat;
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typedef double jdouble;
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typedef jint jsize;
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typedef int8_t jboolean;
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typedef uint16_t jchar;
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# else /* JV_HAVE_INTTYPES_H */
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/* For now, we require either gcc or <inttypes.h>. If we did more
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work at configure time we could get around this, but right now it
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doesn't seem worth it. */
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# error jni.h not ported to this platform
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# endif /* JV_HAVE_INTTYPES_H */
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# endif /* __GNUC__ */
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#endif /* __GCJ_JNI_IMPL__ */
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/* Linkage and calling conventions. */
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#if defined (_WIN32) || defined (__WIN32__) || defined (WIN32)
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#define JNIIMPORT __declspec(dllimport)
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#define JNIEXPORT __declspec(dllexport)
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#define JNICALL __stdcall
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#else /* !( _WIN32 || __WIN32__ || WIN32) */
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#define JNIIMPORT
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#if defined(__GNUC__) && __GNUC__ > 3
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#define JNIEXPORT __attribute__ ((visibility("default")))
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#else
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#define JNIEXPORT
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#endif
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#define JNICALL
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#endif /* !( _WIN32 || __WIN32__ || WIN32) */
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/* These defines apply to symbols in libgcj */
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#ifdef __GCJ_DLL__
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# ifdef __GCJ_JNI_IMPL__
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# define _CLASSPATH_JNIIMPEXP JNIEXPORT
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# else
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# define _CLASSPATH_JNIIMPEXP JNIIMPORT
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# endif /* ! __GCJ_JNI_IMPL__ */
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#else /* ! __GCJ_DLL__ */
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# define _CLASSPATH_JNIIMPEXP
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#endif /* __GCJ_DLL__ */
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#endif /* __GCJ_JNI_MD_H__ */
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