/*
 * Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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 SVM_NATIVE_GDBJITCOMPILATIONINTERFACE_H
#define SVM_NATIVE_GDBJITCOMPILATIONINTERFACE_H

// This header specifies the types used by the GDB JIT compilation interface (see https://sourceware.org/gdb/current/onlinedocs/gdb.html/Declarations.html#Declarations)
// The implementation of the JIT compilation interface is located in com.oracle.svm.core.debug.gdb.GdbJitInterface.

#ifdef __linux__

#include <stdint.h>

typedef enum
{
  JIT_NOACTION = 0,
  JIT_REGISTER,
  JIT_UNREGISTER
} jit_actions_t;

struct jit_code_entry
{
  struct jit_code_entry *next_entry;
  struct jit_code_entry *prev_entry;
  const char *symfile_addr;
  uint64_t symfile_size;
};

struct jit_descriptor
{
  uint32_t version;
  /* This type should be jit_actions_t, but we use uint32_t
     to be explicit about the bitwidth.  */
  uint32_t action_flag;
  struct jit_code_entry *relevant_entry;
  struct jit_code_entry *first_entry;
};

#endif /* __linux__ */

#endif
