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/*
* libpulp - User-space Livepatching Library
*
* Copyright (C) 2021 SUSE Software Solutions GmbH
*
* This file is part of libpulp.
*
* libpulp is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* libpulp 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libpulp. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ERROR_COMMON_H
#define ERROR_COMMON_H
#include <errno.h>
#include <stdbool.h>
typedef int ulp_error_t;
/** Use errno-like definitions for errors. This way we can use system-like
* errors as well.
*
* We reserve [0, 255] for system errors, everything else is reserved for
* libpulp.
**/
/* clang-format off */
#define ENONE 0 /** No error (success). */
#define EUNKNOWN 256 /** Unknown error. */
#define EBUILDID 257 /** Build Id Mismatch. */
#define ETARGETHOOK 258 /** Error attaching to process. */
#define ENODEBUGTAG 259 /** Process without DT_DEBUG tag. */
#define ENOLINKMAP 260 /** No link map in object. */
#define ENOPHDR 261 /** Invalid program header. */
#define ENOPENTRY 262 /** Unable to find process entry address. */
#define ENOLIBPULP 263 /** Libpulp not found. */
#define ETHRDATTACH 264 /** Thread attach failure. */
#define ETHRDDETTACH 265 /** Thread dettach failure. */
#define EINVALIDULP 266 /** Invalid ULP file. */
#define ENOOLDFUNC 267 /** To be patched function not found. */
#define ENONEWFUNC 268 /** New function not found. */
#define ENOMETA 269 /** No metadata in .so. */
#define ESTATE 270 /** State update failure. */
#define ENOSTATE 271 /** Unable to retrieve ulp state. */
#define ENOTAPPLIED 272 /** Patch not applied. */
#define EDEPEND 273 /** Dependency failure. */
#define ENOADDRESS 274 /** Address Error. */
#define EAPPLIED 275 /** Patch applied. */
#define ENOTARGETLIB 276 /** Target library not loaded. */
#define EHOOKNOTRUN 277 /** libpulp.so hook routine not run. */
#define ENOPATCHABLE 278 /** Function is not livepatchable. */
#define EWILDNOMATCH 279 /** No file matched wildcard. */
#define EUSRBLOCKED 280 /** Livepatch blocked by user request. */
#define EOLDLIBPULP 281 /** Libpulp version too old. */
#define EINITFAIL 282 /** Libpulp initialization failure. */
#define MPROTFAIL 283 /** Page permission error. */
#define ENOPATCH 284 /** No patches installed. */
#define EINSNQ 285 /** Instruction queue in inconsistent state. */
#define EOLDULP 286 /** ULP tool is too old. */
#define EDLOPEN 287 /** Failure in dlopen. */
#define ENOLIBDL 288 /** Libdl not found. */
#define ENOLIBC 289 /** Libc not found. */
/** Table used to map error code to message. Define it here so that it is
* easier for it being maintained.
*/
#define __ULP_ERRLIST \
{ \
"Unknown error", \
"Build ID mismatch", \
"Error attaching to process", \
"Process without debug tag", \
"No link map in object", \
"Invalid program header", \
"Unable to find process entry address", \
"Libpulp not found in target process", \
"Thread attach failure", \
"Thread dettach failure", \
"Invalid .ulp file", \
"To be patched function not found", \
"New function not found", \
"No metadata in .so", \
"State update failure", \
"Unable to retrieve ulp state", \
"Patch not applied", \
"Dependency failure", \
"Address read error", \
"Patch already applied", \
"Target library not loaded", \
"libpulp.so hook routine not run", \
"Function is not livepatchable", \
"No file matched wildcard", \
"Livepatching blocked by user request", \
"Libpulp version is too old", \
"Libpulp initialization failure", \
"Page permission error", \
"No patches installed", \
"Instruction queue in inconsistent state", \
"ULP tool is too old", \
"Failure in dlopen", \
"Libdl not found." \
"Libc not found or unsupported." \
}
/* clang-format on */
const char *libpulp_strerror(ulp_error_t);
#endif /* ERROR_COMMON_H */
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