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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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* This code is free software; you can redistribute it and/or modify it

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* under the terms of the GNU General Public License version 2 only, as

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* published by the Free Software Foundation. Oracle designates this

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* particular file as subject to the "Classpath" exception as provided

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* by Oracle in the LICENSE file that accompanied this code.

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* This code is distributed in the hope that it will be useful, but WITHOUT

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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License

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* version 2 for more details (a copy is included in the LICENSE file that

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* accompanied this code).

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* You should have received a copy of the GNU General Public License version

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* 2 along with this work; if not, write to the Free Software Foundation,

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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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* or visit www.oracle.com if you need additional information or have any

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* questions.

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* This header file defines the data structures sent by the VM

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* through the JVMTI CompiledMethodLoad callback function via the

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* "void * compile_info" parameter. The memory pointed to by the

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* compile_info parameter may not be referenced after returning from

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* the CompiledMethodLoad callback. These are VM implementation

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* specific data structures that may evolve in future releases. A

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* JVMTI agent should interpret a non-NULL compile_info as a pointer

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* to a region of memory containing a list of records. In a typical

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* usage scenario, a JVMTI agent would cast each record to a

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* jvmtiCompiledMethodLoadRecordHeader, a struct that represents

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* arbitrary information. This struct contains a kind field to indicate

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* the kind of information being passed, and a pointer to the next

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* record. If the kind field indicates inlining information, then the

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* agent would cast the record to a jvmtiCompiledMethodLoadInlineRecord.

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* This record contains an array of PCStackInfo structs, which indicate

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* for every pc address what are the methods on the invocation stack.

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* The "methods" and "bcis" fields in each PCStackInfo struct specify a

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* 1-1 mapping between these inlined methods and their bytecode indices.

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* This can be used to derive the proper source lines of the inlined

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* methods.

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#ifndef _JVMTI_CMLR_H_

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#define _JVMTI_CMLR_H_

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enum {

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JVMTI_CMLR_MAJOR_VERSION_1 = 0x00000001,

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JVMTI_CMLR_MINOR_VERSION_0 = 0x00000000,

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JVMTI_CMLR_MAJOR_VERSION = 0x00000001,

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JVMTI_CMLR_MINOR_VERSION = 0x00000000

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* This comment is for the "JDK import from HotSpot" sanity check:

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* version: 1.0.0

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};

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typedef enum {

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JVMTI_CMLR_DUMMY = 1,

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JVMTI_CMLR_INLINE_INFO = 2

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} jvmtiCMLRKind;

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* Record that represents arbitrary information passed through JVMTI

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* CompiledMethodLoadEvent void pointer.

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typedef struct _jvmtiCompiledMethodLoadRecordHeader {

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jvmtiCMLRKind kind; /* id for the kind of info passed in the record */

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jint majorinfoversion; /* major and minor info version values. Init'ed */

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jint minorinfoversion; /* to current version value in jvmtiExport.cpp. */

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struct _jvmtiCompiledMethodLoadRecordHeader* next;

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} jvmtiCompiledMethodLoadRecordHeader;

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* Record that gives information about the methods on the compile-time

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* stack at a specific pc address of a compiled method. Each element in

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* the methods array maps to same element in the bcis array.

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typedef struct _PCStackInfo {

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void* pc; /* the pc address for this compiled method */

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jint numstackframes; /* number of methods on the stack */

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jmethodID* methods; /* array of numstackframes method ids */

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jint* bcis; /* array of numstackframes bytecode indices */

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} PCStackInfo;

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* Record that contains inlining information for each pc address of

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* an nmethod.

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typedef struct _jvmtiCompiledMethodLoadInlineRecord {

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jvmtiCompiledMethodLoadRecordHeader header; /* common header for casting */

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jint numpcs; /* number of pc descriptors in this nmethod */

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PCStackInfo* pcinfo; /* array of numpcs pc descriptors */

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} jvmtiCompiledMethodLoadInlineRecord;

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* Dummy record used to test that we can pass records with different

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* information through the void pointer provided that they can be cast

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* to a jvmtiCompiledMethodLoadRecordHeader.

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typedef struct _jvmtiCompiledMethodLoadDummyRecord {

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jvmtiCompiledMethodLoadRecordHeader header; /* common header for casting */

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char message[50];

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} jvmtiCompiledMethodLoadDummyRecord;

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#endif

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