openjdk11 compiling failure undefined JvmtiSampledObjectAllocEventCollector::object_alloc_is_safe_to

原创已于 2023-06-12 21:59:11 修改 · 212 阅读

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于 2023-05-26 14:34:31 首次发布

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该变更集修复了JvmtiSampledObjectAllocEventCollector类在hotspot源码中的一个构建失败问题，新增了一个静态方法object_alloc_is_safe_to_sample，并更新了配置选项以支持特定的调试级别。

https://hg.openjdk.org/jdk/jdk/rev/3c12f0c0a68c

8212754: Build failure: undefined JvmtiSampledObjectAllocEventCollector::object_alloc_is_safe_to_sample
Reviewed-by: jcbeyler, zgu, coleenp

 line diff

--- a/src/hotspot/share/prims/jvmtiExport.hpp	Wed Oct 17 10:19:13 2018 +0200

+++ b/src/hotspot/share/prims/jvmtiExport.hpp	Tue Oct 23 10:55:59 2018 +0200

@@ -538,7 +538,7 @@

   JvmtiSampledObjectAllocEventCollector()  NOT_JVMTI_RETURN;

   ~JvmtiSampledObjectAllocEventCollector()  NOT_JVMTI_RETURN;

   bool is_sampled_object_alloc_event()    { return true; }

-  static bool object_alloc_is_safe_to_sample();

+  static bool object_alloc_is_safe_to_sample() NOT_JVMTI_RETURN_(false);

 };

 

 // Marker class to disable the posting of VMObjectAlloc events