archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-27 14:54:52 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8064458: OopMap class could be more compact

Browse source 
Reviewed-by: kvn, bdelsart
This commit is contained in:
Rickard Bäckman 2015-05-05 16:50:25 +02:00
parent 6d705e6978
commit 41e1772251
20 changed files with 549 additions and 230 deletions
Download patch file Download diff file Expand all files Collapse all files

6
hotspot/src/share/vm/code/codeBlob.cpp
View file

@ -129,9 +129,7 @@ void CodeBlob::set_oop_maps(OopMapSet* p) {
// Danger Will Robinson! This method allocates a big
// chunk of memory, its your job to free it.
if (p != NULL) {
// We need to allocate a chunk big enough to hold the OopMapSet and all of its OopMaps
_oop_maps = (OopMapSet* )NEW_C_HEAP_ARRAY(unsigned char, p->heap_size(), mtCode);
p->copy_to((address)_oop_maps);
_oop_maps = ImmutableOopMapSet::build_from(p);
} else {
_oop_maps = NULL;
}
@ -175,7 +173,7 @@ void CodeBlob::flush() {
}
OopMap* CodeBlob::oop_map_for_return_address(address return_address) {
const ImmutableOopMap* CodeBlob::oop_map_for_return_address(address return_address) {
assert(oop_maps() != NULL, "nope");
return oop_maps()->find_map_at_offset((intptr_t) return_address - (intptr_t) code_begin());
}