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8309399: JVMTI spec needs to clarify when OPAQUE_FRAME is thrown for reasons other than a native method #26111

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8309399: JVMTI spec needs to clarify when OPAQUE_FRAME is thrown for reasons other than a native method #26111

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1d017ea
8309399: JVMTI spec needs to clarify when OPAQUE_FRAME is thrown for …
sspitsyn Jul 3, 2025
c2cbd0d
review: tweak OPAQUE_FRAME clarification for NotifyFramePop function
sspitsyn Jul 7, 2025
0c6ef89
review: tweak the OPAQUE_FRAME clarifications for ForceEarlyReturn* f…
sspitsyn Jul 7, 2025
da3f20a
review: (1) remove vthread specific clarifications; unify GetLocal* a…
sspitsyn Jul 9, 2025
4f1d417
review: corrected OPAQUE_FRAME clarification for NotifyFramePop function
sspitsyn Jul 10, 2025
170fe28
review: minor tweak of previous change
sspitsyn Jul 10, 2025
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117 changes: 37 additions & 80 deletions src/hotspot/share/prims/jvmti.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -2987,12 +2987,8 @@ err = (*jvmti)->Deallocate(jvmti, stack_info);
</parameters>
<errors>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Called or calling method is a native method.
The implementation is unable to pop this frame.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
The thread is a suspended virtual thread and the implementation
was unable to pop the current frame.
The implementation is unable to pop this frame
(e.g. called or calling method is a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -3078,8 +3074,8 @@ err = (*jvmti)-&gt;Deallocate(jvmti, stack_info);
</parameters>
<errors>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
The frame at <code>depth</code> is executing a
native method.
A <eventlink id="FramePop"></eventlink> event cannot be generated for this frame
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -3188,12 +3184,8 @@ err = (*jvmti)-&gt;Deallocate(jvmti, stack_info);
</parameters>
<errors>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Attempted to return early from a frame
corresponding to a native method.
The thread is a suspended virtual thread and the implementation was
unable to force its current frame to return.
Or the implementation is unable to provide
this functionality on this frame.
The implementation is unable to force the current frame to return
(e.g. current frame is executing a native method).
</error>
<error id="JVMTI_ERROR_TYPE_MISMATCH">
The result type of the called method is not
Expand Down Expand Up @@ -3240,12 +3232,8 @@ err = (*jvmti)-&gt;Deallocate(jvmti, stack_info);
</parameters>
<errors>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Attempted to return early from a frame
corresponding to a native method.
The thread is a suspended virtual thread and the implementation was
unable to force its current frame to return.
Or the implementation is unable to provide
this functionality on this frame.
The implementation is unable to force the current frame to return
(e.g. current frame is executing a native method).
</error>
<error id="JVMTI_ERROR_TYPE_MISMATCH">
The result type of the called method is not
Expand Down Expand Up @@ -3288,12 +3276,8 @@ err = (*jvmti)-&gt;Deallocate(jvmti, stack_info);
</parameters>
<errors>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Attempted to return early from a frame
corresponding to a native method.
The thread is a suspended virtual thread and the implementation was
unable to force its current frame to return.
Or the implementation is unable to provide
this functionality on this frame.
The implementation is unable to force the current frame to return
(e.g. current frame is executing a native method).
</error>
<error id="JVMTI_ERROR_TYPE_MISMATCH">
The result type of the called method is not <code>long</code>.
Expand Down Expand Up @@ -3333,12 +3317,8 @@ err = (*jvmti)-&gt;Deallocate(jvmti, stack_info);
</parameters>
<errors>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Attempted to return early from a frame
corresponding to a native method.
The thread is a suspended virtual thread and the implementation was
unable to force its current frame to return.
Or the implementation is unable to provide
this functionality on this frame.
The implementation is unable to force the current frame to return
(e.g. current frame is executing a native method).
</error>
<error id="JVMTI_ERROR_TYPE_MISMATCH">
The result type of the called method is not <code>float</code>.
Expand Down Expand Up @@ -3378,12 +3358,8 @@ err = (*jvmti)-&gt;Deallocate(jvmti, stack_info);
</parameters>
<errors>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Attempted to return early from a frame
corresponding to a native method.
The thread is a suspended virtual thread and the implementation was
unable to force its current frame to return.
Or the implementation is unable to provide
this functionality on this frame.
The implementation is unable to force the current frame to return
(e.g. current frame is executing a native method).
</error>
<error id="JVMTI_ERROR_TYPE_MISMATCH">
The result type of the called method is not <code>double</code>.
Expand Down Expand Up @@ -3417,12 +3393,8 @@ err = (*jvmti)-&gt;Deallocate(jvmti, stack_info);
</parameters>
<errors>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Attempted to return early from a frame
corresponding to a native method.
The thread is a suspended virtual thread and the implementation was
unable to force its current frame to return.
Or the implementation is unable to provide
this functionality on this frame.
The implementation is unable to force the current frame to return
(e.g. current frame is executing a native method).
</error>
<error id="JVMTI_ERROR_TYPE_MISMATCH">
The called method has a result type.
Expand Down Expand Up @@ -5928,7 +5900,8 @@ class C2 extends C1 implements I2 {
<code>Object</code> or a subclass of <code>Object</code>.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
The implementation is unable to get the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -6031,7 +6004,8 @@ class C2 extends C1 implements I2 {
<code>boolean</code>.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
The implementation is unable to get the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -6085,7 +6059,8 @@ class C2 extends C1 implements I2 {
The variable type is not <code>long</code>.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
The implementation is unable to get the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -6139,7 +6114,8 @@ class C2 extends C1 implements I2 {
The variable type is not <code>float</code>.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
The implementation is unable to get the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -6193,7 +6169,8 @@ class C2 extends C1 implements I2 {
The variable type is not <code>double</code>.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
The implementation is unable to get the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -6252,12 +6229,8 @@ class C2 extends C1 implements I2 {
with the variable type.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
The thread is a suspended virtual thread and the implementation does not support
setting the value of locals in the frame of the given depth.
See <internallink id="local">Local Variables</internallink>.
The implementation is unable to set the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -6316,12 +6289,8 @@ class C2 extends C1 implements I2 {
<code>boolean</code>.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
The thread is a suspended virtual thread and the implementation does not support
setting the value of locals in the frame of the given depth.
See <internallink id="local">Local Variables</internallink>.
The implementation is unable to set the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -6375,12 +6344,8 @@ class C2 extends C1 implements I2 {
The variable type is not <code>long</code>.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
The thread is a suspended virtual thread and the implementation does not support
setting the value of locals in the frame of the given depth.
See <internallink id="local">Local Variables</internallink>.
The implementation is unable to set the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -6434,12 +6399,8 @@ class C2 extends C1 implements I2 {
The variable type is not <code>float</code>.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
The thread is a suspended virtual thread and the implementation does not support
setting the value of locals in the frame of the given depth.
See <internallink id="local">Local Variables</internallink>.
The implementation is unable to set the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -6493,12 +6454,8 @@ class C2 extends C1 implements I2 {
The variable type is not <code>double</code>.
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
Not a visible frame
</error>
<error id="JVMTI_ERROR_OPAQUE_FRAME">
The thread is a suspended virtual thread and the implementation does not support
setting the value of locals in the frame of the given depth.
See <internallink id="local">Local Variables</internallink>.
The implementation is unable to set the frame locals
(e.g. the frame at <code>depth</code> is executing a native method).
</error>
<error id="JVMTI_ERROR_THREAD_NOT_SUSPENDED">
Thread was not suspended and was not the current thread.
Expand Down Expand Up @@ -12050,7 +12007,7 @@ myInit() {
</errorid>
<errorid id="JVMTI_ERROR_OPAQUE_FRAME" num="32">
Information about the frame is not available (e.g. for native frames),
or the function cannot be performed on the thread's current frame.
or the implementation is unable to provide this functionality on this frame.
</errorid>
<errorid id="JVMTI_ERROR_DUPLICATE" num="40">
Item already set.
Expand Down