1 /* Definitions for PRPSINFO structures under ELF on GNU/Linux. 2 Copyright (C) 2013-2025 Free Software Foundation, Inc. 3 4 This file is part of BFD, the Binary File Descriptor library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21 #ifndef ELF_LINUX_CORE_H 22 #define ELF_LINUX_CORE_H 23 24 /* External 32-bit structure for PRPSINFO. This structure is 25 ABI-defined, thus we choose to use char arrays here in order to 26 avoid dealing with different types in different architectures. 27 28 This is the variant for targets which use a 32-bit data type for 29 UID and GID, as all modern Linux ports do. Some older ports use 30 a 16-bit data type instead; see below for the alternative variant. 31 32 This structure will ultimately be written in the corefile's note 33 section, as the PRPSINFO. */ 34 35 struct elf_external_linux_prpsinfo32_ugid32 36 { 37 char pr_state; /* Numeric process state. */ 38 char pr_sname; /* Char for pr_state. */ 39 char pr_zomb; /* Zombie. */ 40 char pr_nice; /* Nice val. */ 41 char pr_flag[4]; /* Flags. */ 42 char pr_uid[4]; 43 char pr_gid[4]; 44 char pr_pid[4]; 45 char pr_ppid[4]; 46 char pr_pgrp[4]; 47 char pr_sid[4]; 48 char pr_fname[16] ATTRIBUTE_NONSTRING; /* Filename of executable. */ 49 char pr_psargs[80] ATTRIBUTE_NONSTRING; /* Initial part of arg list. */ 50 }; 51 52 /* Helper function to copy an elf_internal_linux_prpsinfo in host 53 endian to an elf_external_linux_prpsinfo32_ugid32 in target endian. */ 54 55 static inline void 56 swap_linux_prpsinfo32_ugid32_out 57 (bfd *obfd, 58 const struct elf_internal_linux_prpsinfo *from, 59 struct elf_external_linux_prpsinfo32_ugid32 *to) 60 { 61 bfd_put_8 (obfd, from->pr_state, &to->pr_state); 62 bfd_put_8 (obfd, from->pr_sname, &to->pr_sname); 63 bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb); 64 bfd_put_8 (obfd, from->pr_nice, &to->pr_nice); 65 bfd_put_32 (obfd, from->pr_flag, to->pr_flag); 66 bfd_put_32 (obfd, from->pr_uid, to->pr_uid); 67 bfd_put_32 (obfd, from->pr_gid, to->pr_gid); 68 bfd_put_32 (obfd, from->pr_pid, to->pr_pid); 69 bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid); 70 bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp); 71 bfd_put_32 (obfd, from->pr_sid, to->pr_sid); 72 strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname)); 73 strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs)); 74 } 75 76 /* External 32-bit structure for PRPSINFO. This structure is 77 ABI-defined, thus we choose to use char arrays here in order to 78 avoid dealing with different types in different architectures. 79 80 This is the variant for targets which use a 16-bit data type for 81 UID and GID, as some older Linux ports do. All modern ports use 82 a 32-bit data type instead; see above for the alternative variant. 83 84 This structure will ultimately be written in the corefile's note 85 section, as the PRPSINFO. */ 86 87 struct elf_external_linux_prpsinfo32_ugid16 88 { 89 char pr_state; /* Numeric process state. */ 90 char pr_sname; /* Char for pr_state. */ 91 char pr_zomb; /* Zombie. */ 92 char pr_nice; /* Nice val. */ 93 char pr_flag[4]; /* Flags. */ 94 char pr_uid[2]; 95 char pr_gid[2]; 96 char pr_pid[4]; 97 char pr_ppid[4]; 98 char pr_pgrp[4]; 99 char pr_sid[4]; 100 char pr_fname[16] ATTRIBUTE_NONSTRING; /* Filename of executable. */ 101 char pr_psargs[80] ATTRIBUTE_NONSTRING; /* Initial part of arg list. */ 102 }; 103 104 /* Helper function to copy an elf_internal_linux_prpsinfo in host 105 endian to an elf_external_linux_prpsinfo32_ugid16 in target endian. */ 106 107 static inline void 108 swap_linux_prpsinfo32_ugid16_out 109 (bfd *obfd, 110 const struct elf_internal_linux_prpsinfo *from, 111 struct elf_external_linux_prpsinfo32_ugid16 *to) 112 { 113 bfd_put_8 (obfd, from->pr_state, &to->pr_state); 114 bfd_put_8 (obfd, from->pr_sname, &to->pr_sname); 115 bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb); 116 bfd_put_8 (obfd, from->pr_nice, &to->pr_nice); 117 bfd_put_32 (obfd, from->pr_flag, to->pr_flag); 118 bfd_put_16 (obfd, from->pr_uid, to->pr_uid); 119 bfd_put_16 (obfd, from->pr_gid, to->pr_gid); 120 bfd_put_32 (obfd, from->pr_pid, to->pr_pid); 121 bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid); 122 bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp); 123 bfd_put_32 (obfd, from->pr_sid, to->pr_sid); 124 strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname)); 125 strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs)); 126 } 127 128 /* External 64-bit structure for PRPSINFO. This structure is 129 ABI-defined, thus we choose to use char arrays here in order to 130 avoid dealing with different types in different architectures. 131 132 This is the variant for targets which use a 32-bit data type for 133 UID and GID, as most Linux ports do. The SH64 port uses a 16-bit 134 data type instead; see below for the alternative variant. 135 136 This structure will ultimately be written in the corefile's note 137 section, as the PRPSINFO. */ 138 139 struct elf_external_linux_prpsinfo64_ugid32 140 { 141 char pr_state; /* Numeric process state. */ 142 char pr_sname; /* Char for pr_state. */ 143 char pr_zomb; /* Zombie. */ 144 char pr_nice; /* Nice val. */ 145 char gap[4]; 146 char pr_flag[8]; /* Flags. */ 147 char pr_uid[4]; 148 char pr_gid[4]; 149 char pr_pid[4]; 150 char pr_ppid[4]; 151 char pr_pgrp[4]; 152 char pr_sid[4]; 153 char pr_fname[16] ATTRIBUTE_NONSTRING; /* Filename of executable. */ 154 char pr_psargs[80] ATTRIBUTE_NONSTRING; /* Initial part of arg list. */ 155 }; 156 157 /* Helper function to copy an elf_internal_linux_prpsinfo in host 158 endian to an elf_external_linux_prpsinfo64_ugid32 in target endian. */ 159 160 static inline void 161 swap_linux_prpsinfo64_ugid32_out 162 (bfd *obfd, 163 const struct elf_internal_linux_prpsinfo *from, 164 struct elf_external_linux_prpsinfo64_ugid32 *to) 165 { 166 bfd_put_8 (obfd, from->pr_state, &to->pr_state); 167 bfd_put_8 (obfd, from->pr_sname, &to->pr_sname); 168 bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb); 169 bfd_put_8 (obfd, from->pr_nice, &to->pr_nice); 170 bfd_put_64 (obfd, from->pr_flag, to->pr_flag); 171 bfd_put_32 (obfd, from->pr_uid, to->pr_uid); 172 bfd_put_32 (obfd, from->pr_gid, to->pr_gid); 173 bfd_put_32 (obfd, from->pr_pid, to->pr_pid); 174 bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid); 175 bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp); 176 bfd_put_32 (obfd, from->pr_sid, to->pr_sid); 177 strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname)); 178 strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs)); 179 } 180 181 /* External 64-bit structure for PRPSINFO. This structure is 182 ABI-defined, thus we choose to use char arrays here in order to 183 avoid dealing with different types in different architectures. 184 185 This is the variant for the SH64 port which uses a 16-bit data 186 type for UID and GID. Most Linux ports use a 32-bit data type 187 instead; see above for the alternative variant. 188 189 This structure will ultimately be written in the corefile's note 190 section, as the PRPSINFO. */ 191 192 struct elf_external_linux_prpsinfo64_ugid16 193 { 194 char pr_state; /* Numeric process state. */ 195 char pr_sname; /* Char for pr_state. */ 196 char pr_zomb; /* Zombie. */ 197 char pr_nice; /* Nice val. */ 198 char gap[4]; 199 char pr_flag[8]; /* Flags. */ 200 char pr_uid[2]; 201 char pr_gid[2]; 202 char pr_pid[4]; 203 char pr_ppid[4]; 204 char pr_pgrp[4]; 205 char pr_sid[4]; 206 char pr_fname[16] ATTRIBUTE_NONSTRING; /* Filename of executable. */ 207 char pr_psargs[80] ATTRIBUTE_NONSTRING; /* Initial part of arg list. */ 208 }; 209 210 /* Helper function to copy an elf_internal_linux_prpsinfo in host 211 endian to an elf_external_linux_prpsinfo64_ugid16 in target endian. */ 212 213 static inline void 214 swap_linux_prpsinfo64_ugid16_out 215 (bfd *obfd, 216 const struct elf_internal_linux_prpsinfo *from, 217 struct elf_external_linux_prpsinfo64_ugid16 *to) 218 { 219 bfd_put_8 (obfd, from->pr_state, &to->pr_state); 220 bfd_put_8 (obfd, from->pr_sname, &to->pr_sname); 221 bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb); 222 bfd_put_8 (obfd, from->pr_nice, &to->pr_nice); 223 bfd_put_64 (obfd, from->pr_flag, to->pr_flag); 224 bfd_put_16 (obfd, from->pr_uid, to->pr_uid); 225 bfd_put_16 (obfd, from->pr_gid, to->pr_gid); 226 bfd_put_32 (obfd, from->pr_pid, to->pr_pid); 227 bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid); 228 bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp); 229 bfd_put_32 (obfd, from->pr_sid, to->pr_sid); 230 strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname)); 231 strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs)); 232 } 233 234 #endif 235
Indexes created Tue Feb 24 08:35:24 UTC 2026