archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-26 22:34:27 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8189748: More precise closures for WeakProcessor::weak_oops_do calls

Browse source 
Reviewed-by: pliden, sjohanss
This commit is contained in:
Stefan Karlsson 2017-10-23 11:20:53 +02:00
parent 817d6bc039
commit d129d1cdf2
14 changed files with 90 additions and 75 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/hotspot/share/compiler/oopMap.cpp
View file

@ -30,6 +30,7 @@
#include "compiler/oopMap.hpp"
#include "gc/shared/collectedHeap.hpp"
#include "memory/allocation.inline.hpp"
#include "memory/iterator.hpp"
#include "memory/resourceArea.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/signature.hpp"
@ -263,13 +264,6 @@ OopMap* OopMapSet::find_map_at_offset(int pc_offset) const {
return m;
}
class DoNothingClosure: public OopClosure {
public:
void do_oop(oop* p) {}
void do_oop(narrowOop* p) {}
};
static DoNothingClosure do_nothing;
static void add_derived_oop(oop* base, oop* derived) {
#if !defined(TIERED) && !defined(INCLUDE_JVMCI)
COMPILER1_PRESENT(ShouldNotReachHere();)
@ -310,7 +304,7 @@ static void trace_codeblob_maps(const frame *fr, const RegisterMap *reg_map) {
void OopMapSet::oops_do(const frame *fr, const RegisterMap* reg_map, OopClosure* f) {
// add derived oops to a table
all_do(fr, reg_map, f, add_derived_oop, &do_nothing);
all_do(fr, reg_map, f, add_derived_oop, &do_nothing_cl);
}