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comparison agent/src/share/classes/sun/jvm/hotspot/HSDB.java @ 113:ba764ed4b6f2

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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a61af66fc99e
children 5bba3366a9a2
comparison
equal deleted inserted replaced
110:a49a647afe9a 113:ba764ed4b6f2
1009 public void visitAddress(Address addr) { 1009 public void visitAddress(Address addr) {
1010 if (Assert.ASSERTS_ENABLED) { 1010 if (Assert.ASSERTS_ENABLED) {
1011 Assert.that(addr.andWithMask(VM.getVM().getAddressSize() - 1) == null, 1011 Assert.that(addr.andWithMask(VM.getVM().getAddressSize() - 1) == null,
1012 "Address " + addr + "should have been aligned"); 1012 "Address " + addr + "should have been aligned");
1013 } 1013 }
1014 OopHandle handle = addr.getOopHandleAt(0);
1015 addAnnotation(addr, handle);
1016 }
1017
1018 public void visitCompOopAddress(Address addr) {
1019 if (Assert.ASSERTS_ENABLED) {
1020 Assert.that(addr.andWithMask(VM.getVM().getAddressSize() - 1) == null,
1021 "Address " + addr + "should have been aligned");
1022 }
1023 OopHandle handle = addr.getCompOopHandleAt(0);
1024 addAnnotation(addr, handle);
1025 }
1026
1027 public void addAnnotation(Address addr, OopHandle handle) {
1014 // Check contents 1028 // Check contents
1015 OopHandle handle = addr.getOopHandleAt(0);
1016 String anno = "null oop"; 1029 String anno = "null oop";
1017 if (handle != null) { 1030 if (handle != null) {
1018 // Find location 1031 // Find location
1019 CollectedHeap collHeap = VM.getVM().getUniverse().heap(); 1032 CollectedHeap collHeap = VM.getVM().getUniverse().heap();
1020 boolean bad = true; 1033 boolean bad = true;