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natMethod.cc (_Jv_CallAnyMethodA): Define ffi_result union for ffi_call result.

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* java/lang/reflect/natMethod.cc (_Jv_CallAnyMethodA):
        Define ffi_result union for ffi_call result.  Cast
        ffi_result members to jvalue.

From-SVN: r50007
This commit is contained in:
Jeff Sturm 2002-02-24 17:55:44 +00:00 committed by Jeff Sturm
parent 02c521f439
commit a7261b2da0
2 changed files with 48 additions and 1 deletions
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6
libjava/ChangeLog
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@ -1,3 +1,9 @@
2002-02-24 Jeff Sturm <jsturm@one-point.com>
* java/lang/reflect/natMethod.cc (_Jv_CallAnyMethodA):
Define ffi_result union for ffi_call result. Cast
ffi_result members to jvalue.
2002-02-23 Alexandre Oliva <aoliva@redhat.com>
* Makefile.in, gcj/Makefile.in, include/Makefile.in: Rebuilt.

43
libjava/java/lang/reflect/natMethod.cc
View File

@ -423,9 +423,17 @@ _Jv_CallAnyMethodA (jobject obj,
Throwable *ex = NULL;
union
{
ffi_arg i;
jlong l;
jfloat f;
jdouble d;
} ffi_result;
try
{
ffi_call (&cif, (void (*)()) meth->ncode, result, values);
ffi_call (&cif, (void (*)()) meth->ncode, &ffi_result, values);
}
catch (Throwable *ex2)
{
@ -436,6 +444,39 @@ _Jv_CallAnyMethodA (jobject obj,
ex = new InvocationTargetException (ex2);
}
// Since ffi_call returns integer values promoted to a word, use
// a narrowing conversion for jbyte, jchar, etc. results.
// Note that boolean is handled either by the FFI_TYPE_SINT8 or
// FFI_TYPE_SINT32 case.
switch (rtype->type)
{
case FFI_TYPE_VOID:
break;
case FFI_TYPE_SINT8:
result->b = (jbyte)ffi_result.i;
break;
case FFI_TYPE_SINT16:
result->s = (jshort)ffi_result.i;
break;
case FFI_TYPE_UINT16:
result->c = (jchar)ffi_result.i;
break;
case FFI_TYPE_SINT32:
result->i = (jint)ffi_result.i;
break;
case FFI_TYPE_SINT64:
result->j = (jlong)ffi_result.l;
break;
case FFI_TYPE_FLOAT:
result->f = (jfloat)ffi_result.f;
break;
case FFI_TYPE_DOUBLE:
result->d = (jdouble)ffi_result.d;
break;
default:
JvFail ("Unknown ffi_call return type");
break;
}
if (is_constructor)
result->l = obj;