codeCache.inline.hpp

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_VM_COMPILER_CODECACHE_INLINE_HPP
#define SHARE_VM_COMPILER_CODECACHE_INLINE_HPP

#include "code/codeCache.hpp"

#include "code/nativeInst.hpp"

inline CodeBlob* CodeCache::find_blob_fast(void* pc) {
  int slot = 0;
  return find_blob_and_oopmap(pc, slot);
}

inline CodeBlob* CodeCache::find_blob_and_oopmap(void* pc, int& slot) {
  NativePostCallNop* nop = nativePostCallNop_at((address) pc);
  CodeBlob* cb;
  int offset;
  if (nop != nullptr && nop->decode(slot, offset)) {
    cb = (CodeBlob*) ((address) pc - offset);
    assert(cb == CodeCache::find_blob(pc), "must be");
  } else {
    cb = CodeCache::find_blob(pc);
    slot = -1;
  }
  assert(cb != nullptr, "must be");
  return cb;
}

inline int CodeCache::find_oopmap_slot_fast(void* pc) {
  NativePostCallNop* nop = nativePostCallNop_at((address) pc);
  int oopmap_slot;
  int cb_offset;
  if (nop != nullptr && nop->decode(oopmap_slot, cb_offset)) {
    return oopmap_slot;
  }
  return -1;
}

#endif // SHARE_VM_COMPILER_CODECACHE_INLINE_HPP