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re PR libgcj/15001 ([3.4 only] Using JNI with interpreter and interface methods yields SIGSEGV)

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2004-12-10  Andrew Haley  <aph@redhat.com>

        PR java/15001
        * java/lang/reflect/natMethod.cc (_Jv_CallAnyMethodA): Look up
        abstract methods by name.

From-SVN: r92315
This commit is contained in:
Andrew Haley 2004-12-17 15:13:44 +00:00 • committed by Andrew Haley
parent cd5fcd3366
commit 64d200483a
2 changed files with 28 additions and 1 deletions
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23
libjava/java/lang/reflect/natMethod.cc
View file

@ -30,6 +30,7 @@ details. */
#include <java/lang/Double.h>
#include <java/lang/IllegalAccessException.h>
#include <java/lang/IllegalArgumentException.h>
#include <java/lang/IncompatibleClassChangeError.h>
#include <java/lang/NullPointerException.h>
#include <java/lang/ArrayIndexOutOfBoundsException.h>
#include <java/lang/VirtualMachineError.h>
@ -480,7 +481,27 @@ _Jv_CallAnyMethodA (jobject obj,
{
_Jv_VTable *vtable = *(_Jv_VTable **) obj;
if (iface == NULL)
ncode = vtable->get_method (meth->index);
{
if (is_jni_call && Modifier::isAbstract (meth->accflags))
{
// With JNI we don't know if this is an interface call
// or a call to an abstract method. Look up the method
// by name, the slow way.
_Jv_Method *concrete_meth
= _Jv_LookupDeclaredMethod (vtable->clas,
meth->name,
meth->signature,
NULL);
if (concrete_meth == NULL
|| concrete_meth->ncode == NULL
|| Modifier::isAbstract(concrete_meth->accflags))
throw new java::lang::IncompatibleClassChangeError
(_Jv_GetMethodString (vtable->clas, meth->name));
ncode = concrete_meth->ncode;
}
else
ncode = vtable->get_method (meth->index);
}
else
ncode = _Jv_LookupInterfaceMethodIdx (vtable->clas, iface,
meth->index);