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* gnu/classpath/jdwp/natVMVirtualMachine.cc

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(registerEvent): Implement EVENT_BREAKPOINT.
        (unregisterEvent): Likewise.
        (get_request_location): New function.

From-SVN: r121608
This commit is contained in:
Keith Seitz 2007-02-05 20:56:47 +00:00 committed by Keith Seitz
parent 2d38026be8
commit 072d019dfc
2 changed files with 101 additions and 1 deletions
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7
libjava/ChangeLog
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@ -1,3 +1,10 @@
2007-02-05 Keith Seitz <keiths@redhat.com>
* gnu/classpath/jdwp/natVMVirtualMachine.cc
(registerEvent): Implement EVENT_BREAKPOINT.
(unregisterEvent): Likewise.
(get_request_location): New function.
2007-02-05 Matthias Klose <doko@debian.org>
testsuite/Makefile.am (compile-tests): Fix typo.

95
libjava/gnu/classpath/jdwp/natVMVirtualMachine.cc
View File

@ -10,6 +10,7 @@ details. */
#include <config.h>
#include <gcj/cni.h>
#include <java-assert.h>
#include <jvm.h>
#include <jvmti.h>
@ -21,6 +22,7 @@ details. */
#include <java/lang/Thread.h>
#include <java/nio/ByteBuffer.h>
#include <java/util/ArrayList.h>
#include <java/util/Collection.h>
#include <java/util/Hashtable.h>
#include <java/util/Iterator.h>
@ -29,20 +31,28 @@ details. */
#include <gnu/classpath/jdwp/VMMethod.h>
#include <gnu/classpath/jdwp/VMVirtualMachine.h>
#include <gnu/classpath/jdwp/event/ClassPrepareEvent.h>
#include <gnu/classpath/jdwp/event/EventManager.h>
#include <gnu/classpath/jdwp/event/EventRequest.h>
#include <gnu/classpath/jdwp/event/ThreadEndEvent.h>
#include <gnu/classpath/jdwp/event/ThreadStartEvent.h>
#include <gnu/classpath/jdwp/event/VmDeathEvent.h>
#include <gnu/classpath/jdwp/event/VmInitEvent.h>
#include <gnu/classpath/jdwp/event/filters/IEventFilter.h>
#include <gnu/classpath/jdwp/event/filters/LocationOnlyFilter.h>
#include <gnu/classpath/jdwp/exception/InvalidLocationException.h>
#include <gnu/classpath/jdwp/exception/InvalidMethodException.h>
#include <gnu/classpath/jdwp/exception/JdwpInternalErrorException.h>
#include <gnu/classpath/jdwp/util/Location.h>
#include <gnu/classpath/jdwp/util/MethodResult.h>
#include <gnu/gcj/jvmti/Breakpoint.h>
#include <gnu/gcj/jvmti/BreakpointManager.h>
using namespace java::lang;
using namespace gnu::classpath::jdwp::event;
using namespace gnu::classpath::jdwp::util;
// Forward declarations
static Location *get_request_location (EventRequest *);
static void JNICALL jdwpClassPrepareCB (jvmtiEnv *, JNIEnv *, jthread, jclass);
static void JNICALL jdwpThreadEndCB (jvmtiEnv *, JNIEnv *, jthread);
static void JNICALL jdwpThreadStartCB (jvmtiEnv *, JNIEnv *, jthread);
@ -189,7 +199,29 @@ gnu::classpath::jdwp::VMVirtualMachine::registerEvent (EventRequest *request)
break;
case EventRequest::EVENT_BREAKPOINT:
break;
{
using namespace ::gnu::gcj::jvmti;
Location *loc = get_request_location (request);
if (loc == NULL)
{
using namespace gnu::classpath::jdwp::exception;
throw new InvalidLocationException ();
}
jlong method = loc->getMethod ()->getId ();
jlocation index = loc->getIndex ();
Breakpoint *bp = BreakpointManager::getBreakpoint (method, index);
if (bp == NULL)
{
// Breakpoint not in interpreter yet
bp = BreakpointManager::newBreakpoint (method, index);
}
else
{
// Ignore the duplicate
}
}
break;
case EventRequest::EVENT_FRAME_POP:
break;
@ -244,6 +276,46 @@ gnu::classpath::jdwp::VMVirtualMachine::unregisterEvent (EventRequest *request)
break;
case EventRequest::EVENT_BREAKPOINT:
{
using namespace gnu::gcj::jvmti;
::java::util::Collection *breakpoints;
EventManager *em = EventManager::getDefault ();
breakpoints = em->getRequests (EventRequest::EVENT_BREAKPOINT);
// Check for duplicates
int matches = 0;
Location *the_location = get_request_location (request);
// This should not be possible: we REQUIRE a Location
// to install a breakpoint
JvAssert (the_location != NULL);
::java::util::Iterator *iter = breakpoints->iterator ();
while (iter->hasNext ())
{
EventRequest *er
= reinterpret_cast<EventRequest *> (iter->next ());
Location *loc = get_request_location (er);
JvAssert (loc != NULL);
if (loc->equals (the_location) && ++matches == 2)
{
// Short-circuit: already more than one breakpoint
return;
}
}
if (matches == 0)
{
using namespace gnu::classpath::jdwp::exception;
jstring msg
= JvNewStringLatin1 ("attempt to remove unknown breakpoint");
throw new JdwpInternalErrorException (msg);
}
jlong methodId = the_location->getMethod ()->getId ();
BreakpointManager::deleteBreakpoint (methodId,
the_location->getIndex ());
}
break;
case EventRequest::EVENT_FRAME_POP:
@ -410,6 +482,27 @@ getSourceFile (MAYBE_UNUSED jclass clazz)
return NULL;
}
static Location *
get_request_location (EventRequest *request)
{
Location *loc = NULL;
::java::util::Collection *filters = request->getFilters ();
::java::util::Iterator *iter = filters->iterator ();
while (iter->hasNext ())
{
using namespace gnu::classpath::jdwp::event::filters;
IEventFilter *filter = (IEventFilter *) iter->next ();
if (filter->getClass () == &LocationOnlyFilter::class$)
{
LocationOnlyFilter *lof
= reinterpret_cast<LocationOnlyFilter *> (filter);
loc = lof->getLocation ();
}
}
return loc;
}
static void
throw_jvmti_error (jvmtiError err)
{