as/as.h

   1 /* as.h - global header file
   2    Copyright (C) 1987 Free Software Foundation, Inc.
   3
   4 This file is part of GAS, the GNU Assembler.
   5
   6 GAS is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 1, or (at your option)
   9 any later version.
  10
  11 GAS 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
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GAS; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 /*
  21  * CAPITALISED names are #defined.
  22  * "lowercaseT" is a typedef of "lowercase" objects.
  23  * "lowercaseP" is type "pointer to object of type 'lowercase'".
  24  * "lowercaseS" is typedef struct ... lowercaseS.
  25  *
  26  * #define SUSPECT when debugging.
  27  * If TEST is #defined, then we are testing a module.
  28  */
  29
  30 /* These #defines are for parameters of entire assembler. */
  31
  32 /*
  33  * asserts() from <assert.h> are DISabled when NDEBUG is defined and
  34  * asserts() from <assert.h> are ENabled  when NDEBUG is undefined.
  35  * For speed NDEBUG is defined so assert()'s are left out.
  36 #undef NDEBUG
  37  */
  38 #define NDEBUG
  39
  40 /*
  41  * For speed SUSPECT is undefined.
  42 #define SUSPECT
  43  */
  44 #undef SUSPECT
  45
  46 /* These #imports are for type definitions etc. */
  47 #include <stdio.h>
  48 #include <assert.h>
  49 #include <mach/machine.h>
  50
  51 /* These defines are potentially useful */
  52 #undef FALSE
  53 #define FALSE   (0)
  54 #undef TRUE
  55 #define TRUE    (!FALSE)
  56 #define ASSERT  assert
  57
  58 #define BAD_CASE(value)                                                 \
  59 {                                                                       \
  60   as_fatal ("Case value %d unexpected at line %d of file \"%s\"\n",     \
  61            value, __LINE__, __FILE__);                                  \
  62 }
  63
  64 /* These are assembler-wide concepts */
  65 #ifdef SUSPECT
  66 #define register                /* no registers: helps debugging */
  67 #define know(p) ASSERT(p)       /* know() is less ugly than #ifdef SUSPECT/ */
  68                                 /* assert()/#endif. */
  69 #else
  70 #define know(p)                 /* know() checks are no-op.ed */
  71 #endif
  72
  73
  74 /*
  75  * main program "as.c" (command arguments etc)
  76  */
  77
  78 /* ['x'] TRUE if "-x" seen. */
  79 extern char flagseen[128];
  80
  81 /* name of emitted object file, argument to -o if specified */
  82 extern char *out_file_name;
  83
  84 /* TRUE if -force_cpusubtype_ALL is specified */
  85 extern int force_cpusubtype_ALL;
  86
  87 /* set to the corresponding cpusubtype if -arch flag is specified */
  88 extern cpu_subtype_t archflag_cpusubtype;
  89 extern char *specific_archflag;
  90
  91 /* TRUE if the .subsections_via_symbols directive was seen */
  92 extern int subsections_via_symbols;
  93
  94 /* -I path options for .includes */
  95 struct directory_stack {
  96     struct directory_stack *next;
  97     char *fname;
  98 };
  99 extern struct directory_stack include_defaults[];
 100 extern struct directory_stack *include;
 101
 102 /* non-NULL if AS_SECURE_LOG_FILE is set */
 103 extern const char *secure_log_file;