libctf/ctf-error.c

   1 /* Error table.
   2    Copyright (C) 2019 Free Software Foundation, Inc.
   3
   4    This file is part of libctf.
   5
   6    libctf is free software; you can redistribute it and/or modify it under
   7    the terms of the GNU General Public License as published by the Free
   8    Software Foundation; either version 3, or (at your option) any later
   9    version.
  10
  11    This program is distributed in the hope that it will be useful, but
  12    WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14    See the 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; see the file COPYING.  If not see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <ctf-impl.h>
  21
  22 static const char *const _ctf_errlist[] = {
  23   "File is not in CTF or ELF format",                /* ECTF_FMT */
  24   "BFD error",                                       /* ECTF_BFDERR */
  25   "File uses more recent CTF version than libctf",   /* ECTF_CTFVERS */
  26   "Ambiguous BFD target",                            /* ECTF_BFD_AMBIGUOUS */
  27   "Symbol table uses invalid entry size",            /* ECTF_SYMTAB */
  28   "Symbol table data buffer is not valid",           /* ECTF_SYMBAD */
  29   "String table data buffer is not valid",           /* ECTF_STRBAD */
  30   "File data structure corruption detected",         /* ECTF_CORRUPT */
  31   "File does not contain CTF data",                  /* ECTF_NOCTFDATA */
  32   "Buffer does not contain CTF data",                /* ECTF_NOCTFBUF */
  33   "Symbol table information is not available",       /* ECTF_NOSYMTAB */
  34   "Type information is in parent and unavailable",   /* ECTF_NOPARENT */
  35   "Cannot import types with different data model",   /* ECTF_DMODEL */
  36   "File added to link too late",                     /* ECTF_LINKADDEDLATE */
  37   "Failed to allocate (de)compression buffer",       /* ECTF_ZALLOC */
  38   "Failed to decompress CTF data",                   /* ECTF_DECOMPRESS */
  39   "External string table is not available",          /* ECTF_STRTAB */
  40   "String name offset is corrupt",                   /* ECTF_BADNAME */
  41   "Invalid type identifier",                         /* ECTF_BADID */
  42   "Type is not a struct or union",                   /* ECTF_NOTSOU */
  43   "Type is not an enum",                             /* ECTF_NOTENUM */
  44   "Type is not a struct, union, or enum",            /* ECTF_NOTSUE */
  45   "Type is not an integer, float, or enum",          /* ECTF_NOTINTFP */
  46   "Type is not an array",                            /* ECTF_NOTARRAY */
  47   "Type does not reference another type",            /* ECTF_NOTREF */
  48   "Input buffer is too small for type name",         /* ECTF_NAMELEN */
  49   "No type information available for that name",     /* ECTF_NOTYPE */
  50   "Syntax error in type name",                       /* ECTF_SYNTAX */
  51   "Symbol table entry or type is not a function",    /* ECTF_NOTFUNC */
  52   "No function information available for symbol",    /* ECTF_NOFUNCDAT */
  53   "Symbol table entry is not a data object",         /* ECTF_NOTDATA */
  54   "No type information available for symbol",        /* ECTF_NOTYPEDAT */
  55   "No label information available for that name",    /* ECTF_NOLABEL */
  56   "File does not contain any labels",                /* ECTF_NOLABELDATA */
  57   "Feature not supported",                           /* ECTF_NOTSUP */
  58   "Invalid enum element name",                       /* ECTF_NOENUMNAM */
  59   "Invalid member name",                             /* ECTF_NOMEMBNAM */
  60   "CTF container is read-only",                      /* ECTF_RDONLY */
  61   "Limit on number of dynamic type members reached", /* ECTF_DTFULL */
  62   "Limit on number of dynamic types reached",        /* ECTF_FULL */
  63   "Duplicate member or variable name",               /* ECTF_DUPLICATE */
  64   "Conflicting type is already defined",             /* ECTF_CONFLICT */
  65   "Attempt to roll back past a ctf_update",          /* ECTF_OVERROLLBACK */
  66   "Failed to compress CTF data",                     /* ECTF_COMPRESS */
  67   "Failed to create CTF archive",                    /* ECTF_ARCREATE */
  68   "Name not found in CTF archive",                   /* ECTF_ARNNAME */
  69   "Overflow of type bitness or offset in slice",     /* ECTF_SLICEOVERFLOW */
  70   "Unknown section number in dump",                  /* ECTF_DUMPSECTUNKNOWN */
  71   "Section changed in middle of dump",               /* ECTF_DUMPSECTCHANGED */
  72   "Feature not yet implemented",                     /* ECTF_NOTYET */
  73   "Internal error in link",                          /* ECTF_INTERNAL */
  74   "Type not representable in CTF"                    /* ECTF_NONREPRESENTABLE */
  75 };
  76
  77 static const int _ctf_nerr = sizeof (_ctf_errlist) / sizeof (_ctf_errlist[0]);
  78
  79 const char *
  80 ctf_errmsg (int error)
  81 {
  82   const char *str;
  83
  84   if (error >= ECTF_BASE && (error - ECTF_BASE) < _ctf_nerr)
  85     str = _ctf_errlist[error - ECTF_BASE];
  86   else
  87     str = ctf_strerror (error);
  88
  89   return (str ? str : "Unknown error");
  90 }
  91
  92 int
  93 ctf_errno (ctf_file_t * fp)
  94 {
  95   return fp->ctf_errno;
  96 }