gdb/scm-lang.h

   1 /* Scheme/Guile language support routines for GDB, the GNU debugger.
   2
   3    Copyright (C) 1995, 1996, 1998, 1999, 2000, 2003, 2005, 2008, 2009, 2010
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #define SICP
  22 #include "scm-tags.h"
  23 #undef SCM_NCELLP
  24 #define SCM_NCELLP(x)   ((SCM_SIZE-1) & (int)(x))
  25 #define SCM_ITAG8_DATA(X)       ((X)>>8)
  26 #define SCM_ICHR(x)     ((unsigned char)SCM_ITAG8_DATA(x))
  27 #define SCM_ICHRP(x)    (SCM_ITAG8(x) == scm_tc8_char)
  28 #define scm_tc8_char 0xf4
  29 #define SCM_IFLAGP(n)            ((0x87 & (int)(n))==4)
  30 #define SCM_ISYMNUM(n)           ((int)((n)>>9))
  31 #define SCM_ISYMCHARS(n)         (scm_isymnames[SCM_ISYMNUM(n)])
  32 #define SCM_ILOCP(n)             ((0xff & (int)(n))==0xfc)
  33 #define SCM_ITAG8(X)             ((int)(X) & 0xff)
  34 #define SCM_TYP7(x)              (0x7f & (int)SCM_CAR(x))
  35 #define SCM_LENGTH(x) (((unsigned long)SCM_CAR(x))>>8)
  36 #define SCM_NCONSP(x) (1 & (int)SCM_CAR(x))
  37 #define SCM_NECONSP(x) (SCM_NCONSP(x) && (1 != SCM_TYP3(x)))
  38 #define SCM_CAR(x) scm_get_field (x, 0, SCM_SIZE, SCM_BYTE_ORDER)
  39 #define SCM_CDR(x) scm_get_field (x, 1, SCM_SIZE, SCM_BYTE_ORDER)
  40 #define SCM_VELTS(x) ((SCM *)SCM_CDR(x))
  41 #define SCM_CLOSCAR(x) (SCM_CAR(x)-scm_tc3_closure)
  42 #define SCM_CODE(x) SCM_CAR(SCM_CLOSCAR (x))
  43 #define SCM_MAKINUM(x) (((x)<<2)+2L)
  44
  45 /* Forward decls for prototypes */
  46 struct value;
  47
  48 extern int scm_value_print (struct value *, struct ui_file *,
  49                             const struct value_print_options *);
  50
  51 extern int scm_val_print (struct type *, const gdb_byte *, int, CORE_ADDR,
  52                           struct ui_file *, int,
  53                           const struct value *,
  54                           const struct value_print_options *);
  55
  56 extern LONGEST scm_get_field (LONGEST, int, int, enum bfd_endian);
  57
  58 extern int is_scmvalue_type (struct type *);
  59
  60 extern void scm_printchar (int, struct type *, struct ui_file *);
  61
  62 extern struct value *scm_evaluate_string (char *, int);
  63
  64 extern int scm_parse (void);
  65
  66 extern LONGEST scm_unpack (struct type *, const gdb_byte *, enum type_code);
  67
  68 /* Scheme types */
  69
  70 struct builtin_scm_type
  71 {
  72   struct type *builtin_scm;
  73 };
  74
  75 /* Return the Scheme type table for the specified architecture.  */
  76 extern const struct builtin_scm_type *builtin_scm_type (struct gdbarch *gdbarch);
  77