tools/objtool/weak.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2020 Matt Helsley <mhelsley@vmware.com>
   4  * Weak definitions necessary to compile objtool without
   5  * some subcommands (e.g. check, orc).
   6  */
   7
   8 #include <stdbool.h>
   9 #include <errno.h>
  10 #include "objtool.h"
  11
  12 #define __weak __attribute__((weak))
  13
  14 #define UNSUPPORTED(name)                                               \
  15 ({                                                                      \
  16         fprintf(stderr, "error: objtool: " name " not implemented\n");  \
  17         return ENOSYS;                                                  \
  18 })
  19
  20 const char __weak *objname;
  21
  22 int __weak check(const char *_objname, bool orc)
  23 {
  24         UNSUPPORTED("check subcommand");
  25 }
  26
  27 int __weak orc_dump(const char *_objname)
  28 {
  29         UNSUPPORTED("orc");
  30 }
  31
  32 int __weak create_orc(struct objtool_file *file)
  33 {
  34         UNSUPPORTED("orc");
  35 }
  36
  37 int __weak create_orc_sections(struct objtool_file *file)
  38 {
  39         UNSUPPORTED("orc");
  40 }