/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */
/*
 * Copyright 2019 Joyent, Inc.
 */

#ifndef _ELF_ELF_IMPL_H
#define _ELF_ELF_IMPL_H

#ifdef  __cplusplus
extern "C" {
#endif

#if     !defined(_LP64) || defined(_ELF32_COMPAT)

/*
 * Definitions for ELF32, native 32-bit or 32-bit compatibility mode.
 */
#define ELFCLASS        ELFCLASS32
typedef unsigned int    aux_val_t;
typedef auxv32_t        aux_entry_t;

#define USR_LIB_RTLD    "/usr/lib/ld.so.1"

#else   /* !_LP64 || _ELF32_COMPAT */

/*
 * Definitions for native 64-bit ELF
 */
#define ELFCLASS        ELFCLASS64
typedef unsigned long   aux_val_t;
typedef auxv_t          aux_entry_t;

/* put defines for 64-bit architectures here */
#if defined(__sparcv9)
#define USR_LIB_RTLD    "/usr/lib/sparcv9/ld.so.1"
#endif

#if defined(__amd64)
#define USR_LIB_RTLD    "/usr/lib/amd64/ld.so.1"
#endif

#endif  /* !_LP64 || _ELF32_COMPAT */

/*
 * Start of an ELF Note.
 */
typedef struct {
        Nhdr    nhdr;
        char    name[8];
} Note;

typedef struct {
        vnode_t         *ecc_vp;
        proc_t          *ecc_p;
        cred_t          *ecc_credp;
        rlim64_t        ecc_rlimit;
        core_content_t  ecc_content;
        u_offset_t      ecc_doffset;
        void            *ecc_buf;
        size_t          ecc_bufsz;
} elf_core_ctx_t;

#ifdef  _ELF32_COMPAT
/*
 * These are defined only for the 32-bit compatibility
 * compilation mode of the 64-bit kernel.
 */
#define elfexec elf32exec
#define elfnote elf32note
#define elfcore elf32core
#define elfreadhdr              elf32readhdr
#define mapexec_brand           mapexec32_brand
#define setup_note_header       setup_note_header32
#define write_elfnotes          write_elfnotes32
#define setup_old_note_header   setup_old_note_header32
#define write_old_elfnotes      write_old_elfnotes32

#if defined(__sparc)
#define gwindows_t      gwindows32_t
#define rwindow         rwindow32
#endif

#define psinfo_t        psinfo32_t
#define pstatus_t       pstatus32_t
#define lwpsinfo_t      lwpsinfo32_t
#define lwpstatus_t     lwpstatus32_t

#define prgetpsinfo     prgetpsinfo32
#define prgetstatus     prgetstatus32
#define prgetlwpsinfo   prgetlwpsinfo32
#define prgetlwpstatus  prgetlwpstatus32
#define prgetwindows    prgetwindows32

#define prpsinfo_t      prpsinfo32_t
#define prstatus_t      prstatus32_t
#if defined(prfpregset_t)
#undef prfpregset_t
#endif
#define prfpregset_t    prfpregset32_t

#define oprgetstatus    oprgetstatus32
#define oprgetpsinfo    oprgetpsinfo32
#define prgetprfpregs   prgetprfpregs32

#endif  /*      _ELF32_COMPAT   */

extern int elfnote(vnode_t *, offset_t *, int, int, void *, rlim64_t, cred_t *);
extern void setup_old_note_header(Phdr *, proc_t *);
extern void setup_note_header(Phdr *, proc_t *);

extern int write_old_elfnotes(proc_t *, int, vnode_t *, offset_t,
    rlim64_t, cred_t *);

extern int write_elfnotes(proc_t *, int, vnode_t *, offset_t,
    rlim64_t, cred_t *, core_content_t);

#ifdef  __cplusplus
}
#endif

#endif  /* _ELF_ELF_IMPL_H */