/*
* Copyright ( c ) 2018 , 2022 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* 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 ) .
*
* You should have received a copy of the GNU General Public License version
* 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;
if (nop != NULL && nop->displacement() != 0 ) {
int offset = (nop->displacement() & 0 xffffff);
cb = (CodeBlob*) ((address) pc - offset);
slot = ((nop->displacement() >> 24 ) & 0 xff);
assert(cb == CodeCache::find_blob(pc), "must be" );
} else {
cb = CodeCache::find_blob(pc);
slot = -1 ;
}
assert(cb != NULL, "must be" );
return cb;
}
inline int CodeCache::find_oopmap_slot_fast(void * pc) {
NativePostCallNop* nop = nativePostCallNop_at((address) pc);
return (nop != NULL && nop->displacement() != 0 )
? ((nop->displacement() >> 24 ) & 0 xff)
: -1 ;
}
#endif // SHARE_VM_COMPILER_CODECACHE_INLINE_HPP
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