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re PR libgcj/11780 (Method.invoke() is slow)

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PR libgcj/11780:
	* java/lang/reflect/natMethod.cc (invoke): Look up caller and
	perform accessibility check only if target is non-public and
	accessible flag is not set.
	* java/lang/reflect/natField.cc (getAddr): Likewise.

From-SVN: r72918
This commit is contained in:
Bryce McKinlay 2003-10-25 06:49:20 +00:00 • committed by Bryce McKinlay
parent b2398b4947
commit a10fd35601
3 changed files with 57 additions and 36 deletions
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41
libjava/java/lang/reflect/natField.cc
View file

@ -58,27 +58,32 @@ getAddr (java::lang::reflect::Field* field, jclass caller, jobject obj)
// have the compiler insert the caller as a hidden argument in some
// calls. However, we never implemented that, so we have to find
// the caller by hand instead.
gnu::gcj::runtime::StackTrace *t
= new gnu::gcj::runtime::StackTrace(7);
try
{
// We want to skip all the frames on the stack from this class.
for (int i = 1;
!caller || caller == &java::lang::reflect::Field::class$;
i++)
caller = t->classAt (i);
}
catch (::java::lang::ArrayIndexOutOfBoundsException *e)
{
}
using namespace java::lang::reflect;
jfieldID fld = _Jv_FromReflectedField (field);
_Jv_ushort flags = fld->getModifiers();
if (! field->isAccessible ()
&& ! _Jv_CheckAccess (caller, field->getDeclaringClass(), flags))
throw new java::lang::IllegalAccessException;
// Check accessibility, if required.
if (! (Modifier::isPublic (flags) || field->isAccessible()))
{
gnu::gcj::runtime::StackTrace *t
= new gnu::gcj::runtime::StackTrace(7);
try
{
// We want to skip all the frames on the stack from this class.
for (int i = 1; !caller || caller == &Field::class$; i++)
caller = t->classAt (i);
}
catch (::java::lang::ArrayIndexOutOfBoundsException *e)
{
}
if (flags & java::lang::reflect::Modifier::STATIC)
if (! _Jv_CheckAccess (caller, field->getDeclaringClass(), flags))
throw new java::lang::IllegalAccessException;
}
if (flags & Modifier::STATIC)
{
jclass fldClass = field->getDeclaringClass ();
JvInitClass(fldClass);