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-rw-r--r--src/java/com/jogamp/gluegen/CCodeUnit.java15
-rw-r--r--src/java/com/jogamp/gluegen/CMethodBindingEmitter.java18
-rw-r--r--src/java/com/jogamp/gluegen/JavaEmitter.java3
3 files changed, 25 insertions, 11 deletions
diff --git a/src/java/com/jogamp/gluegen/CCodeUnit.java b/src/java/com/jogamp/gluegen/CCodeUnit.java
index 5c0db27..c70df79 100644
--- a/src/java/com/jogamp/gluegen/CCodeUnit.java
+++ b/src/java/com/jogamp/gluegen/CCodeUnit.java
@@ -84,6 +84,11 @@ public class CCodeUnit extends CodeUnit {
emitln( getJNIOnLoadJNIEnvCode(libraryBasename) );
}
+ /** Emits {@link #JavaCallbackGlueDataDecl}. */
+ public void emitJavaCallbackGlueDataDecl() {
+ emitln( JavaCallbackGlueDataDecl );
+ }
+
@Override
public String toString() { return "CCodeUnit[unit "+cUnitName+", file "+filename+"]"; }
@@ -108,6 +113,16 @@ public class CCodeUnit extends CodeUnit {
" return jbyteBuffer;\n"+
"}\n";
+ /** JavaCallback Glue Data typedef struct */
+ public static final String JavaCallbackGlueDataDecl =
+ "typedef struct {\n"+
+ " jobject lockObj;\n"+
+ " jobject cbFunc;\n"+
+ " jmethodID cbMethodID;\n"+
+ " jobject userParam;\n"+
+ "} T_JavaCallbackGlueData;\n"+
+ "\n";
+
/**
* Returns native JNI declarations for `JavaVM* {libraryBasename}_jvmHandle`
* and `JVMUtil_GetJNIEnv(..)`.
diff --git a/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java b/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java
index c1b175f..00cae13 100644
--- a/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java
+++ b/src/java/com/jogamp/gluegen/CMethodBindingEmitter.java
@@ -113,6 +113,8 @@ public class CMethodBindingEmitter extends FunctionEmitter {
protected static final String STRING_CHARS_PREFIX = "_strchars_";
+ protected static final String T_JavaCallbackGlueData = "T_JavaCallbackGlueData";
+
// We need this in order to compute sizes of certain types
protected MachineDataInfo machDesc;
@@ -338,12 +340,6 @@ public class CMethodBindingEmitter extends FunctionEmitter {
final String userParamArgName = javaCallback.cbFuncBinding.getArgumentName(javaCallback.cbFuncUserParamIdx);
final Type cReturnType = javaCallback.cbFuncBinding.getCReturnType();
final JavaType jretType = javaCallback.cbFuncBinding.getJavaReturnType();
- unit.emitln("typedef struct {");
- unit.emitln(" jobject lockObj;");
- unit.emitln(" jobject cbFunc;");
- unit.emitln(" jmethodID cbMethodID;");
- unit.emitln(" jobject userParam;");
- unit.emitln("} T_"+jcbNativeBasename+";");
unit.emitln();
// javaCallback.cbFuncCEmitter.emitSignature();
unit.emit("static "+cReturnType.getCName()+" "+staticCallbackName+"(");
@@ -366,7 +362,7 @@ public class CMethodBindingEmitter extends FunctionEmitter {
jcbCMethodEmitter.emitJavaCallbackBodyCToJavaPreCall(javaCallback);
// javaCallback.cbFuncCEmitter.emitBodyCallCFunction();
- unit.emitln(" T_"+jcbNativeBasename+"* cb = (T_"+jcbNativeBasename+"*) "+userParamArgName+";");
+ unit.emitln(" "+T_JavaCallbackGlueData+"* cb = ("+T_JavaCallbackGlueData+"*) "+userParamArgName+";");
unit.emitln(" // C Params: "+javaCallback.cbFuncBinding.getCParameterList(new StringBuilder(), false, null).toString());
unit.emitln(" // J Params: "+javaCallback.cbFuncBinding.getJavaParameterList(new StringBuilder()).toString());
@@ -563,7 +559,7 @@ public class CMethodBindingEmitter extends FunctionEmitter {
unit.emitln();
unit.emitln(" // JavaCallback handling");
unit.emitln(" "+jcb.cbFuncTypeName+" "+nativeCBFuncVarName+";");
- unit.emitln(" T_"+jcbNativeBasename+"* "+nativeUserParamVarName+";");
+ unit.emitln(" "+T_JavaCallbackGlueData+"* "+nativeUserParamVarName+";");
// unit.emit(", jstring jcallbackSignature, jobject jlockObj, jlongArray jnativeUserParam");
unit.emitln(" if( NULL == jlockObj ) { (*env)->FatalError(env, \"Null jlockObj in '"+jcbFriendlyBasename+"'\"); }");
unit.emitln(" if( NULL == jnativeUserParam ) { (*env)->FatalError(env, \"Null jnativeUserParam in '"+jcbFriendlyBasename+"'\"); }");
@@ -571,7 +567,7 @@ public class CMethodBindingEmitter extends FunctionEmitter {
unit.emitln(" if( 1 > jnativeUserParam_size ) { (*env)->FatalError(env, \"nativeUserParam size < 1 in '"+jcbFriendlyBasename+"'\"); }");
unit.emitln(" if( NULL != "+cbFuncArgName+" ) {");
unit.emitln(" if( NULL == "+userParamArgName+" ) { (*env)->FatalError(env, \"Null "+userParamArgName+" in '"+jcbFriendlyBasename+"'\"); }");
- unit.emitln(" "+nativeUserParamVarName+" = (T_"+jcbNativeBasename+"*) calloc(1, sizeof(T_"+jcbNativeBasename+"));");
+ unit.emitln(" "+nativeUserParamVarName+" = ("+T_JavaCallbackGlueData+"*) calloc(1, sizeof("+T_JavaCallbackGlueData+"));");
unit.emitln(" if( NULL == "+nativeUserParamVarName+" ) { (*env)->FatalError(env, \"Can't alloc "+nativeUserParamVarName+" in '"+jcbFriendlyBasename+"'\"); }");
unit.emitln(" "+nativeUserParamVarName+"->lockObj = (*env)->NewGlobalRef(env, jlockObj);");
unit.emitln(" if( NULL == "+nativeUserParamVarName+"->lockObj ) { (*env)->FatalError(env, \"Failed NewGlobalRef(lock) in '"+jcbFriendlyBasename+"'\"); }");
@@ -616,13 +612,13 @@ public class CMethodBindingEmitter extends FunctionEmitter {
unit.emit(JavaEmitter.getJNIMethodNamePrefix(getJavaPackageName(), getJavaClassName()));
unit.emitln("_release"+capIfaceName+"Impl(JNIEnv *env, jobject _unused, jlong jnativeUserParam) {");
unit.emitln(" // already locked");
- unit.emitln(" T_"+jcbNativeBasename+"* nativeUserParam = (T_"+jcbNativeBasename+"*) (intptr_t) jnativeUserParam;");
+ unit.emitln(" "+T_JavaCallbackGlueData+"* nativeUserParam = ("+T_JavaCallbackGlueData+"*) (intptr_t) jnativeUserParam;");
unit.emitln(" if( NULL != nativeUserParam ) {");
unit.emitln(" (*env)->DeleteGlobalRef(env, nativeUserParam->lockObj);");
unit.emitln(" (*env)->DeleteGlobalRef(env, nativeUserParam->cbFunc);");
unit.emitln(" (*env)->DeleteGlobalRef(env, nativeUserParam->userParam);");
unit.emitln(" // Ensure even w/ use-after-free jobject refs are NULL and invalid to avoid accidental reuse.");
- unit.emitln(" memset(nativeUserParam, 0, sizeof(T_"+jcbNativeBasename+"));");
+ unit.emitln(" memset(nativeUserParam, 0, sizeof("+T_JavaCallbackGlueData+"));");
unit.emitln(" free(nativeUserParam);");
unit.emitln(" }");
unit.emitln("}");
diff --git a/src/java/com/jogamp/gluegen/JavaEmitter.java b/src/java/com/jogamp/gluegen/JavaEmitter.java
index 64aaa8a..2ea8d30 100644
--- a/src/java/com/jogamp/gluegen/JavaEmitter.java
+++ b/src/java/com/jogamp/gluegen/JavaEmitter.java
@@ -3019,6 +3019,9 @@ public class JavaEmitter implements GlueEmitter {
LOG.log(WARNING, "JavaCallback used, but no 'LibraryOnLoad' basename specified for JNI_OnLoad(..). Exactly one native code-unit for the library must specify 'LibraryOnLoad' basename");
}
cUnit().emitHeader(cfg.libraryOnLoadName(), getImplPackageName(), cfg.implClassName(), cfg.customCCode());
+ if( cfg.getJavaCallbackList().size() > 0 ) {
+ cUnit().emitJavaCallbackGlueDataDecl();
+ }
}
} catch (final Exception e) {
throw new RuntimeException(
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 14:51:58 +0000