hg: jdk/submit: 8227680: FastJNIAccessors: Check for JVMTI field access event requests at runtime

[martin.doerr at sap.com]

Changeset: d7304cf430f1
Author:    mdoerr
Date:      2019-07-29 18:22 +0200
URL:       https://hg.openjdk.java.net/jdk/submit/rev/d7304cf430f1

8227680: FastJNIAccessors: Check for JVMTI field access event requests at runtime
Summary: Check JvmtiExport::_field_access_count != 0 at runtime
Reviewed-by: dholmes, eosterlund, bulasevich

! src/hotspot/cpu/aarch64/jniFastGetField_aarch64.cpp
! src/hotspot/cpu/arm/jniFastGetField_arm.cpp
! src/hotspot/cpu/sparc/jniFastGetField_sparc.cpp
! src/hotspot/cpu/x86/jniFastGetField_x86_32.cpp
! src/hotspot/cpu/x86/jniFastGetField_x86_64.cpp
! src/hotspot/share/prims/jni.cpp
+ test/hotspot/jtreg/runtime/jni/FastGetField/FastGetField.java
+ test/hotspot/jtreg/runtime/jni/FastGetField/libFastGetField.c