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8359064: Expose reason for marking nmethod non-entrant to JVMCI client #25706

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8359064: Expose reason for marking nmethod non-entrant to JVMCI client #25706

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9478d1d
Set reason why InstalledCode was changed/installed/changed.
JohnTortugo Jun 5, 2025
5e4b814
Address PR feedback: add comments, refactor enum definition in the Ja…
JohnTortugo Jun 11, 2025
fcf838b
Refactoring: move changes to HotSpotNmethod class; remove enum on Jav…
JohnTortugo Jun 12, 2025
1f3c259
Some clean up
JohnTortugo Jun 12, 2025
831ba2f
Rename 'reasons' enum. Adjust default value for invalidationReason.
JohnTortugo Jun 12, 2025
6f6d129
Fix some remaining renames.
JohnTortugo Jun 12, 2025
c0e970f
Prevent overriding invalidation reason.
JohnTortugo Jun 16, 2025
68271c7
Remove extra space
JohnTortugo Jun 17, 2025
fcfa073
Rename last invalidation placeholder.
JohnTortugo Jun 18, 2025
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3 changes: 1 addition & 2 deletions src/hotspot/share/code/nmethod.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -475,7 +475,6 @@ class nmethod : public CodeBlob {
// vmStructs_jvmci.cpp accordingly.
enum class InvalidationReason : s1 {
NOT_INVALIDATED = -1,
UNKNOWN,
C1_CODEPATCH,
C1_DEOPTIMIZE,
C1_DEOPTIMIZE_FOR_PATCHING,
Expand All @@ -497,7 +496,7 @@ class nmethod : public CodeBlob {
UNCOMMON_TRAP,
WHITEBOX_DEOPTIMIZATION,
ZOMBIE,
LAST_REASON
INVALIDATION_REASONS_COUNT
};


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12 changes: 5 additions & 7 deletions src/hotspot/share/jvmci/jvmciCompilerToVM.cpp
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Expand Up @@ -1405,13 +1405,11 @@ C2V_END


C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod, jboolean deoptimize, jint invalidation_reason))
#ifdef ASSERT
int first = static_cast<int>(nmethod::InvalidationReason::UNKNOWN);
int last = static_cast<int>(nmethod::InvalidationReason::LAST_REASON);
assert(invalidation_reason >= first && invalidation_reason < last,
"invalidation_reason (%d) outside valid range [%d, %d)",
invalidation_reason, first, last);
#endif
int first = static_cast<int>(nmethod::InvalidationReason::C1_CODEPATCH);
int last = static_cast<int>(nmethod::InvalidationReason::INVALIDATION_REASONS_COUNT);
if (invalidation_reason < first || invalidation_reason >= last) {
JVMCI_THROW_MSG(IllegalArgumentException, err_msg("Invalid invalidation_reason: %d", invalidation_reason));
}
JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod);
JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, deoptimize, static_cast<nmethod::InvalidationReason>(invalidation_reason), JVMCI_CHECK);
C2V_END
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1 change: 0 additions & 1 deletion src/hotspot/share/jvmci/vmStructs_jvmci.cpp
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Expand Up @@ -566,7 +566,6 @@
declare_constant_with_value("OMCache::oop_to_monitor_difference", OMCache::oop_to_monitor_difference()) \
\
declare_constant(nmethod::InvalidationReason::NOT_INVALIDATED) \
declare_constant(nmethod::InvalidationReason::UNKNOWN) \
declare_constant(nmethod::InvalidationReason::C1_CODEPATCH) \
declare_constant(nmethod::InvalidationReason::C1_DEOPTIMIZE) \
declare_constant(nmethod::InvalidationReason::C1_DEOPTIMIZE_FOR_PATCHING) \
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