gas/testsuite/gas/all/itbl-test.c

   1 /* itbl-test.c
   2
   3    Copyright (C) 1997-2022 Free Software Foundation, Inc.
   4
   5    This file is part of GAS, the GNU Assembler.
   6
   7    GAS is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    GAS is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GAS; see the file COPYING.  If not, write to the Free
  19    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  20    02110-1301, USA.  */
  21
  22 /* Stand-alone test for instruction specification table support.
  23    Run using "itbl-test <itbl> <asm.s>"
  24    where <itbl> is the name of the instruction table,
  25    and <asm.s> is the name of the assembler fie. */
  26
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include "itbl-ops.h"
  32
  33 static int test_reg (e_processor processor, e_type type, char *name,
  34                      unsigned long val);
  35
  36 int
  37 main (int argc, char **argv)
  38 {
  39   unsigned int insn;
  40   FILE *fas;
  41   int aline = 0;
  42   char s[81], *name;
  43
  44   if (argc < 3)
  45     {
  46       printf ("usage: %s itbl asm.s\n", argv[0]);
  47       exit (0);
  48     }
  49   if (itbl_parse (argv[1]) != 0)
  50     {
  51       printf ("failed to parse itbl\n");
  52       exit (0);
  53     }
  54
  55   fas = fopen (argv[2], "r");
  56   if (fas == 0)
  57     {
  58       printf ("failed to open asm file %s\n", argv[2]);
  59       exit (0);
  60     }
  61   while (fgets (s, 80, fas))
  62     {
  63       char *p;
  64       aline++;
  65
  66       if (p = strchr (s, ';'), p)       /* strip comments */
  67         *p = 0;
  68       if (p = strchr (s, '#'), p)       /* strip comments */
  69         *p = 0;
  70       p = s + strlen (s) - 1;
  71       while (p >= s && (*p == ' ' || *p == '\t' || *p == '\n')) /* strip trailing spaces */
  72         p--;
  73       *(p + 1) = 0;
  74       p = s;
  75       while (*p && (*p == ' ' || *p == '\t' || *p == '\n'))     /* strip leading spaces */
  76         p++;
  77       if (!*p)
  78         continue;
  79
  80       name = itbl_get_field (&p);
  81       insn = itbl_assemble (name, p);
  82       if (insn == 0)
  83         printf ("line %d: Invalid instruction (%s)\n", aline, s);
  84       else
  85         {
  86           char buf[128];
  87           printf ("line %d: insn(%s) = 0x%x)\n", aline, s, insn);
  88           if (!itbl_disassemble (buf, insn))
  89             printf ("line %d: Can't disassemble instruction "
  90                     "(0x%x)\n", aline, insn);
  91           else
  92             printf ("line %d: disasm(0x%x) = %s)\n", aline, insn, buf);
  93         }
  94     }
  95
  96   test_reg (1, e_dreg, "d1", 1);
  97   test_reg (3, e_creg, "c2", 22);
  98   test_reg (3, e_dreg, "d3", 3);
  99
 100   fclose (fas);
 101   return 0;
 102 }
 103
 104 static int
 105 test_reg (e_processor processor, e_type type, char *name,
 106           unsigned long val)
 107 {
 108   char *n;
 109   unsigned long v;
 110
 111   n = itbl_get_name (processor, type, val);
 112   if (!n || strcmp (n, name))
 113     printf ("Error - reg name not found for proessor=%d, type=%d, val=%d\n",
 114             processor, type, val);
 115   else
 116     printf ("name=%s found for processor=%d, type=%d, val=%d\n",
 117             n, processor, type, val);
 118
 119   /* We require that names be unique among processors and types. */
 120   if (! itbl_get_reg_val (name, &v)
 121       || v != val)
 122     printf ("Error - reg val not found for processor=%d, type=%d, name=%s\n",
 123             processor, type, name);
 124   else
 125     printf ("val=0x%x found for processor=%d, type=%d, name=%s\n",
 126             v, processor, type, name);
 127   return 0;
 128 }