Author: mturk
Date: Mon Apr 18 16:02:59 2011
New Revision: 1094631
URL: http://svn.apache.org/viewvc?rev=1094631&view=rev
Log:
Add posix executable memory support
Added:
commons/sandbox/runtime/trunk/src/main/native/os/unix/execmem.c (with
props)
Modified:
commons/sandbox/runtime/trunk/src/main/native/Makefile.unx.in
Modified: commons/sandbox/runtime/trunk/src/main/native/Makefile.unx.in
URL:
http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/native/Makefile.unx.in?rev=1094631&r1=1094630&r2=1094631&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/native/Makefile.unx.in (original)
+++ commons/sandbox/runtime/trunk/src/main/native/Makefile.unx.in Mon Apr 18
16:02:59 2011
@@ -61,6 +61,7 @@ ASMSOURCES=\
UNIX_SOURCES=\
$(TOPDIR)/os/unix/dso.c \
+ $(TOPDIR)/os/unix/execmem.c \
$(TOPDIR)/os/unix/init.c \
$(TOPDIR)/os/unix/platform.c \
$(TOPDIR)/os/unix/posixapi.c \
Added: commons/sandbox/runtime/trunk/src/main/native/os/unix/execmem.c
URL:
http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/native/os/unix/execmem.c?rev=1094631&view=auto
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/native/os/unix/execmem.c (added)
+++ commons/sandbox/runtime/trunk/src/main/native/os/unix/execmem.c Mon Apr 18
16:02:59 2011
@@ -0,0 +1,75 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "acr/string.h"
+#include "acr/clazz.h"
+#include "acr/jniapi.h"
+#include "acr/port.h"
+#include "arch_opts.h"
+
+#include <sys/mman.h>
+
+J_DECLARE_CLAZZ = {
+ INVALID_FIELD_OFFSET,
+ 0,
+ 0,
+ 0,
+ ACR_UNX_CP "PosixExecutableMemoryImpl"
+};
+
+J_DECLARE_M_ID(0000) = {
+ 0,
+ "<init>",
+ "()V"
+};
+
+ACR_JNI_EXPORT(jobject, ExecutableMemoryImpl, init0)(JNI_STDARGS)
+{
+ if (_clazzn.u == 1)
+ return (*env)->NewObject(env, _clazzn.i, J4MID(0000));
+ if (AcrLoadClass(env, &_clazzn, 0) != 0) {
+ ACR_THROW_MSG(ACR_EX_EINSTANCE, "PosixExecutableMemoryImpl not
initialized");
+ return 0;
+ }
+ R_LOAD_METHOD(0000, 0);
+ _clazzn.u = 1;
+ return (*env)->NewObject(env, _clazzn.i, J4MID(0000));
+}
+
+ACR_UNX_EXPORT(jlong, PosixExecutableMemory, alloc0)(JNI_STDARGS, jint size)
+{
+ void *mem;
+
+ mem = mmap(0, size,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (mem == MAP_FAILED) {
+ ACR_THROW_BY_ERRNO();
+ mem = 0;
+ }
+ return P2J(mem);
+}
+
+ACR_UNX_EXPORT(jint, PosixExecutableMemory, free0)(JNI_STDARGS, jlong addr,
jint size)
+{
+ void *mem = J2P(addr, void *);
+
+
+ if (munmap(mem, size) == 0)
+ return 0;
+ else
+ return ACR_GET_OS_ERROR();
+}
Propchange: commons/sandbox/runtime/trunk/src/main/native/os/unix/execmem.c
------------------------------------------------------------------------------
svn:eol-style = native
