/* Definitions for PRPSINFO structures under ELF on GNU/Linux.

   Copyright (C) 2013-2025 Free Software Foundation, Inc.

   This file is part of BFD, the Binary File Descriptor library.

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

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 for more details.

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

   along with this program; if not, write to the Free Software

   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

   MA 02110-1301, USA.  */

#ifndef ELF_LINUX_CORE_H

#define ELF_LINUX_CORE_H

/* External 32-bit structure for PRPSINFO.  This structure is

   ABI-defined, thus we choose to use char arrays here in order to

   avoid dealing with different types in different architectures.

   This is the variant for targets which use a 32-bit data type for

   UID and GID, as all modern Linux ports do.  Some older ports use

   a 16-bit data type instead; see below for the alternative variant.

   This structure will ultimately be written in the corefile's note

   section, as the PRPSINFO.  */

struct elf_external_linux_prpsinfo32_ugid32

  {

    char pr_state;      /* Numeric process state.  */

    char pr_sname;      /* Char for pr_state.  */

    char pr_zomb;     /* Zombie.  */

    char pr_nice;     /* Nice val.  */

    char pr_flag[4];      /* Flags.  */

    char pr_uid[4];

    char pr_gid[4];

    char pr_pid[4];

    char pr_ppid[4];

    char pr_pgrp[4];

    char pr_sid[4];

    char pr_fname[16] ATTRIBUTE_NONSTRING;  /* Filename of executable.  */

    char pr_psargs[80] ATTRIBUTE_NONSTRING; /* Initial part of arg list.  */

  };

/* Helper function to copy an elf_internal_linux_prpsinfo in host

   endian to an elf_external_linux_prpsinfo32_ugid32 in target endian.  */

static inline void

swap_linux_prpsinfo32_ugid32_out

  (bfd *obfd,

   const struct elf_internal_linux_prpsinfo *from,

   struct elf_external_linux_prpsinfo32_ugid32 *to)

{

  bfd_put_8 (obfd, from->pr_state, &to->pr_state);

  bfd_put_8 (obfd, from->pr_sname, &to->pr_sname);

  bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb);

  bfd_put_8 (obfd, from->pr_nice, &to->pr_nice);

  bfd_put_32 (obfd, from->pr_flag, to->pr_flag);

  bfd_put_32 (obfd, from->pr_uid, to->pr_uid);

  bfd_put_32 (obfd, from->pr_gid, to->pr_gid);

  bfd_put_32 (obfd, from->pr_pid, to->pr_pid);

  bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid);

  bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp);

  bfd_put_32 (obfd, from->pr_sid, to->pr_sid);

  strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname));

  strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs));

}

/* External 32-bit structure for PRPSINFO.  This structure is

   ABI-defined, thus we choose to use char arrays here in order to

   avoid dealing with different types in different architectures.

   This is the variant for targets which use a 16-bit data type for

   UID and GID, as some older Linux ports do.  All modern ports use

   a 32-bit data type instead; see above for the alternative variant.

   This structure will ultimately be written in the corefile's note

   section, as the PRPSINFO.  */

struct elf_external_linux_prpsinfo32_ugid16

  {

    char pr_state;      /* Numeric process state.  */

    char pr_sname;      /* Char for pr_state.  */

    char pr_zomb;     /* Zombie.  */

    char pr_nice;     /* Nice val.  */

    char pr_flag[4];      /* Flags.  */

    char pr_uid[2];

    char pr_gid[2];

    char pr_pid[4];

    char pr_ppid[4];

    char pr_pgrp[4];

    char pr_sid[4];

    char pr_fname[16] ATTRIBUTE_NONSTRING;  /* Filename of executable.  */

    char pr_psargs[80] ATTRIBUTE_NONSTRING; /* Initial part of arg list.  */

  };

/* Helper function to copy an elf_internal_linux_prpsinfo in host

   endian to an elf_external_linux_prpsinfo32_ugid16 in target endian.  */

static inline void

swap_linux_prpsinfo32_ugid16_out

  (bfd *obfd,

   const struct elf_internal_linux_prpsinfo *from,

   struct elf_external_linux_prpsinfo32_ugid16 *to)

{

  bfd_put_8 (obfd, from->pr_state, &to->pr_state);

  bfd_put_8 (obfd, from->pr_sname, &to->pr_sname);

  bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb);

  bfd_put_8 (obfd, from->pr_nice, &to->pr_nice);

  bfd_put_32 (obfd, from->pr_flag, to->pr_flag);

  bfd_put_16 (obfd, from->pr_uid, to->pr_uid);

  bfd_put_16 (obfd, from->pr_gid, to->pr_gid);

  bfd_put_32 (obfd, from->pr_pid, to->pr_pid);

  bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid);

  bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp);

  bfd_put_32 (obfd, from->pr_sid, to->pr_sid);

  strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname));

  strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs));

}

/* External 64-bit structure for PRPSINFO.  This structure is

   ABI-defined, thus we choose to use char arrays here in order to

   avoid dealing with different types in different architectures.

   This is the variant for targets which use a 32-bit data type for

   UID and GID, as most Linux ports do.  The SH64 port uses a 16-bit

   data type instead; see below for the alternative variant.

   This structure will ultimately be written in the corefile's note

   section, as the PRPSINFO.  */

struct elf_external_linux_prpsinfo64_ugid32

  {

    char pr_state;      /* Numeric process state.  */

    char pr_sname;      /* Char for pr_state.  */

    char pr_zomb;     /* Zombie.  */

    char pr_nice;     /* Nice val.  */

    char gap[4];

    char pr_flag[8];      /* Flags.  */

    char pr_uid[4];

    char pr_gid[4];

    char pr_pid[4];

    char pr_ppid[4];

    char pr_pgrp[4];

    char pr_sid[4];

    char pr_fname[16] ATTRIBUTE_NONSTRING;  /* Filename of executable.  */

    char pr_psargs[80] ATTRIBUTE_NONSTRING; /* Initial part of arg list.  */

  };

/* Helper function to copy an elf_internal_linux_prpsinfo in host

   endian to an elf_external_linux_prpsinfo64_ugid32 in target endian.  */

static inline void

swap_linux_prpsinfo64_ugid32_out

  (bfd *obfd,

   const struct elf_internal_linux_prpsinfo *from,

   struct elf_external_linux_prpsinfo64_ugid32 *to)

{

  bfd_put_8 (obfd, from->pr_state, &to->pr_state);

  bfd_put_8 (obfd, from->pr_sname, &to->pr_sname);

  bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb);

  bfd_put_8 (obfd, from->pr_nice, &to->pr_nice);

  bfd_put_64 (obfd, from->pr_flag, to->pr_flag);

  bfd_put_32 (obfd, from->pr_uid, to->pr_uid);

  bfd_put_32 (obfd, from->pr_gid, to->pr_gid);

  bfd_put_32 (obfd, from->pr_pid, to->pr_pid);

  bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid);

  bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp);

  bfd_put_32 (obfd, from->pr_sid, to->pr_sid);

  strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname));

  strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs));

}

/* External 64-bit structure for PRPSINFO.  This structure is

   ABI-defined, thus we choose to use char arrays here in order to

   avoid dealing with different types in different architectures.

   This is the variant for the SH64 port which uses a 16-bit data

   type for UID and GID.  Most Linux ports use a 32-bit data type

   instead; see above for the alternative variant.

   This structure will ultimately be written in the corefile's note

   section, as the PRPSINFO.  */

struct elf_external_linux_prpsinfo64_ugid16

  {

    char pr_state;      /* Numeric process state.  */

    char pr_sname;      /* Char for pr_state.  */

    char pr_zomb;     /* Zombie.  */

    char pr_nice;     /* Nice val.  */

    char gap[4];

    char pr_flag[8];      /* Flags.  */

    char pr_uid[2];

    char pr_gid[2];

    char pr_pid[4];

    char pr_ppid[4];

    char pr_pgrp[4];

    char pr_sid[4];

    char pr_fname[16] ATTRIBUTE_NONSTRING;  /* Filename of executable.  */

    char pr_psargs[80] ATTRIBUTE_NONSTRING; /* Initial part of arg list.  */

  };

/* Helper function to copy an elf_internal_linux_prpsinfo in host

   endian to an elf_external_linux_prpsinfo64_ugid16 in target endian.  */

static inline void

swap_linux_prpsinfo64_ugid16_out

  (bfd *obfd,

   const struct elf_internal_linux_prpsinfo *from,

   struct elf_external_linux_prpsinfo64_ugid16 *to)

{

  bfd_put_8 (obfd, from->pr_state, &to->pr_state);

  bfd_put_8 (obfd, from->pr_sname, &to->pr_sname);

  bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb);

  bfd_put_8 (obfd, from->pr_nice, &to->pr_nice);

  bfd_put_64 (obfd, from->pr_flag, to->pr_flag);

  bfd_put_16 (obfd, from->pr_uid, to->pr_uid);

  bfd_put_16 (obfd, from->pr_gid, to->pr_gid);

  bfd_put_32 (obfd, from->pr_pid, to->pr_pid);

  bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid);

  bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp);

  bfd_put_32 (obfd, from->pr_sid, to->pr_sid);

  strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname));

  strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs));

}

#endif