tccsym.h

   1 /*
   2  *  Symbol handling for TCC
   3  *
   4  *  Copyright (c) 2001-2004 Fabrice Bellard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 #ifndef __TCCSYM_H__
  21 #define __TCCSYM_H__
  22
  23 Sym *__sym_malloc(void);
  24
  25 static inline Sym *sym_malloc(void)
  26 {
  27     Sym *sym;
  28     sym = sym_free_first;
  29     if (!sym)
  30         sym = __sym_malloc();
  31     sym_free_first = sym->next;
  32     return sym;
  33 }
  34 static inline void sym_free(Sym *sym)
  35 {
  36     sym->next = sym_free_first;
  37     sym_free_first = sym;
  38 }
  39
  40 /* structure lookup */
  41 static inline Sym *struct_find(int v)
  42 {
  43     v -= TOK_IDENT;
  44     if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT))
  45         return NULL;
  46     return table_ident[v]->sym_struct;
  47 }
  48
  49 /* find an identifier */
  50 static inline Sym *sym_find(int v)
  51 {
  52     v -= TOK_IDENT;
  53     if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT))
  54         return NULL;
  55     return table_ident[v]->sym_identifier;
  56 }
  57
  58 Sym *sym_push(int v, CType *type, int r, int c);
  59 Sym *sym_push2(Sym **ps, int v, int t, long c);
  60 Sym *sym_find2(Sym *s, int v);
  61 Sym *global_identifier_push(int v, int t, int c);
  62 Sym *sym_push(int v, CType *type, int r, int c);
  63 void sym_pop(Sym **ptop, Sym *b);
  64 void *resolve_sym(TCCState *s1, const char *symbol);
  65
  66 #ifdef CONFIG_TCC_STATIC
  67
  68 #define RTLD_LAZY       0x001
  69 #define RTLD_NOW        0x002
  70 #define RTLD_GLOBAL     0x100
  71 #define RTLD_DEFAULT    NULL
  72
  73 /* dummy function for profiling */
  74 void *dlopen(const char *filename, int flag);
  75 void dlclose(void *p);
  76 const char *dlerror(void);
  77
  78 #elif defined(_WIN32)
  79 #define dlclose FreeLibrary
  80
  81 #else
  82 #include <dlfcn.h>
  83 #endif
  84
  85 #endif /* __TCCSYM_H__ */
  86
  87