LXR linux/scripts/genksyms/keywords.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2static struct resword {
   3        const char *name;
   4        int token;
   5} keywords[] = {
   6        { "__GENKSYMS_EXPORT_SYMBOL", EXPORT_SYMBOL_KEYW },
   7        { "__asm", ASM_KEYW },
   8        { "__asm__", ASM_KEYW },
   9        { "__attribute", ATTRIBUTE_KEYW },
  10        { "__attribute__", ATTRIBUTE_KEYW },
  11        { "__const", CONST_KEYW },
  12        { "__const__", CONST_KEYW },
  13        { "__extension__", EXTENSION_KEYW },
  14        { "__inline", INLINE_KEYW },
  15        { "__inline__", INLINE_KEYW },
  16        { "__signed", SIGNED_KEYW },
  17        { "__signed__", SIGNED_KEYW },
  18        { "__typeof", TYPEOF_KEYW },
  19        { "__typeof__", TYPEOF_KEYW },
  20        { "__volatile", VOLATILE_KEYW },
  21        { "__volatile__", VOLATILE_KEYW },
  22        { "__builtin_va_list", VA_LIST_KEYW },
  23
  24        { "__int128", BUILTIN_INT_KEYW },
  25        { "__int128_t", BUILTIN_INT_KEYW },
  26        { "__uint128_t", BUILTIN_INT_KEYW },
  27
  28        // According to rth, c99 defines "_Bool", "__restrict", "__restrict__", "restrict".  KAO
  29        { "_Bool", BOOL_KEYW },
  30        { "__restrict", RESTRICT_KEYW },
  31        { "__restrict__", RESTRICT_KEYW },
  32        { "restrict", RESTRICT_KEYW },
  33        { "asm", ASM_KEYW },
  34
  35        // c11 keywords that can be used at module scope
  36        { "_Static_assert", STATIC_ASSERT_KEYW },
  37
  38        // attribute commented out in modutils 2.4.2.  People are using 'attribute' as a
  39        // field name which breaks the genksyms parser.  It is not a gcc keyword anyway.
  40        // KAO. },
  41        // { "attribute", ATTRIBUTE_KEYW },
  42
  43        { "auto", AUTO_KEYW },
  44        { "char", CHAR_KEYW },
  45        { "const", CONST_KEYW },
  46        { "double", DOUBLE_KEYW },
  47        { "enum", ENUM_KEYW },
  48        { "extern", EXTERN_KEYW },
  49        { "float", FLOAT_KEYW },
  50        { "inline", INLINE_KEYW },
  51        { "int", INT_KEYW },
  52        { "long", LONG_KEYW },
  53        { "register", REGISTER_KEYW },
  54        { "short", SHORT_KEYW },
  55        { "signed", SIGNED_KEYW },
  56        { "static", STATIC_KEYW },
  57        { "struct", STRUCT_KEYW },
  58        { "typedef", TYPEDEF_KEYW },
  59        { "typeof", TYPEOF_KEYW },
  60        { "union", UNION_KEYW },
  61        { "unsigned", UNSIGNED_KEYW },
  62        { "void", VOID_KEYW },
  63        { "volatile", VOLATILE_KEYW },
  64};
  65
  66#define NR_KEYWORDS (sizeof(keywords)/sizeof(struct resword))
  67
  68static int is_reserved_word(register const char *str, register unsigned int len)
  69{
  70        int i;
  71        for (i = 0; i < NR_KEYWORDS; i++) {
  72                struct resword *r = keywords + i;
  73                int l = strlen(r->name);
  74                if (len == l && !memcmp(str, r->name, len))
  75                        return r->token;
  76        }
  77        return -1;
  78}
  79