lib/libsys/genhooks/defs.h

   1 /*
   2  * DEFS.H
   3  *
   4  * $DragonFly: src/lib/libsys/genhooks/defs.h,v 1.2 2005/12/05 16:48:22 dillon Exp $
   5  */
   6
   7 #include <sys/types.h>
   8 #include <sys/stat.h>
   9 #include <sys/mman.h>
  10 #include <assert.h>
  11 #include <stdarg.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include <unistd.h>
  16 #include <fcntl.h>
  17 #include <err.h>
  18
  19 #define TOK_SEMI        ';'
  20 #define TOK_COMMA       ','
  21 #define TOK_OBRACE      '{'
  22 #define TOK_CBRACE      '}'
  23 #define TOK_OPAREN      '('
  24 #define TOK_CPAREN      ')'
  25 #define TOK_EOF         0x00000100
  26 #define TOK_UNKNOWN     0x00000101
  27 #define TOK_INTEGER     0x00000102
  28 #define TOK_BASE        0x00000103
  29 #define TOK_SYMBOL      0x04000000
  30
  31 #define TOK_ADD                 (TOK_SYMBOL|0x00000001)
  32 #define TOK_FUNCTION            (TOK_SYMBOL|0x00000002)
  33 #define TOK_IMPLEMENTATION      (TOK_SYMBOL|0x00000003)
  34 #define TOK_DIRECT              (TOK_SYMBOL|0x00000004)
  35 #define TOK_SIMULATED           (TOK_SYMBOL|0x00000005)
  36
  37 typedef struct lex_token {
  38     struct lex_info *info;
  39     int         type;
  40     int         index;
  41     int         len;
  42     const char  *sym;
  43     int         value;
  44 } lex_token;
  45
  46 typedef struct lex_info {
  47     char        *path;
  48     int         fd;
  49     const char  *base;
  50     int         size;
  51     int         cache_line;     /* cached line number for index */
  52     int         cache_index;    /* index to base of cached line */
  53     int         cache_len;      /* size of cached line, including newline */
  54 } lex_info;
  55
  56 typedef struct sys_type {
  57     char        *type_name;
  58     char        *var_name;
  59 } sys_type;
  60
  61 typedef struct sys_info {
  62     struct sys_type *func_ret;
  63     struct sys_type **func_args;
  64     int         nargs;          /* 0 if takes void */
  65     int         sysno;          /* syscall number */
  66 } sys_info;
  67
  68 extern struct sys_info **sys_array;
  69 extern int sys_count;
  70 extern char *sys_sectname;
  71
  72 void *zalloc(int bytes);
  73
  74 void lex_open(const char *path, lex_token *tok);
  75 void lex_close(lex_token *tok);
  76 int lex_gettoken(lex_token *tok);
  77 int lex_skip_token(lex_token *tok, int type);
  78 void lex_error(lex_token *tok, const char *ctl, ...);
  79 const char *lex_string_quick(lex_token *tok);
  80 char *lex_string(lex_token *tok);
  81
  82 void parse_file(const char *path);
  83
  84 void output_user(FILE *fo);
  85 void output_lib(FILE *fo);
  86 void output_standalone(FILE *fo, const char *list_prefix);
  87