gcc/rtl-error.c

   1 /* RTL specific diagnostic subroutines for the GNU C compiler
   2    Copyright (C) 2001, 2002 Free Software Foundation, Inc.
   3    Contributed by Gabriel Dos Reis <gdr@codesourcery.com>
   4
   5 This file is part of GCC.
   6
   7 GCC 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 2, or (at your option)
  10 any later version.
  11
  12 GCC 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 GCC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 #include "config.h"
  23 #undef FLOAT /* This is for hpux. They should change hpux.  */
  24 #undef FFS  /* Some systems define this in param.h.  */
  25 #include "system.h"
  26 #include "coretypes.h"
  27 #include "tm.h"
  28 #include "rtl.h"
  29 #include "insn-attr.h"
  30 #include "insn-config.h"
  31 #include "input.h"
  32 #include "toplev.h"
  33 #include "intl.h"
  34 #include "diagnostic.h"
  35
  36 static void file_and_line_for_asm PARAMS ((rtx, const char **, int *));
  37 static void diagnostic_for_asm PARAMS ((rtx, const char *, va_list *,
  38                                         diagnostic_t));
  39
  40 /* Figure file and line of the given INSN.  */
  41 static void
  42 file_and_line_for_asm (insn, pfile, pline)
  43      rtx insn;
  44      const char **pfile;
  45      int *pline;
  46 {
  47   rtx body = PATTERN (insn);
  48   rtx asmop;
  49
  50   /* Find the (or one of the) ASM_OPERANDS in the insn.  */
  51   if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
  52     asmop = SET_SRC (body);
  53   else if (GET_CODE (body) == ASM_OPERANDS)
  54     asmop = body;
  55   else if (GET_CODE (body) == PARALLEL
  56            && GET_CODE (XVECEXP (body, 0, 0)) == SET)
  57     asmop = SET_SRC (XVECEXP (body, 0, 0));
  58   else if (GET_CODE (body) == PARALLEL
  59            && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
  60     asmop = XVECEXP (body, 0, 0);
  61   else
  62     asmop = NULL;
  63
  64   if (asmop)
  65     {
  66       *pfile = ASM_OPERANDS_SOURCE_FILE (asmop);
  67       *pline = ASM_OPERANDS_SOURCE_LINE (asmop);
  68     }
  69   else
  70     {
  71       *pfile = input_filename;
  72       *pline = lineno;
  73     }
  74 }
  75
  76 /* Report a diagnostic MESSAGE (an errror or a WARNING) at the line number
  77    of the insn INSN.  This is used only when INSN is an `asm' with operands,
  78    and each ASM_OPERANDS records its own source file and line.  */
  79 static void
  80 diagnostic_for_asm (insn, msg, args_ptr, kind)
  81      rtx insn;
  82      const char *msg;
  83      va_list *args_ptr;
  84      diagnostic_t kind;
  85 {
  86   diagnostic_info diagnostic;
  87
  88   diagnostic_set_info (&diagnostic, msg, args_ptr, NULL, 0, kind);
  89   file_and_line_for_asm (insn, &diagnostic.location.file,
  90                          &diagnostic.location.line);
  91   report_diagnostic (&diagnostic);
  92 }
  93
  94 void
  95 error_for_asm VPARAMS ((rtx insn, const char *msgid, ...))
  96 {
  97   VA_OPEN (ap, msgid);
  98   VA_FIXEDARG (ap, rtx, insn);
  99   VA_FIXEDARG (ap, const char *, msgid);
 100
 101   diagnostic_for_asm (insn, msgid, &ap, DK_ERROR);
 102   VA_CLOSE (ap);
 103 }
 104
 105 void
 106 warning_for_asm VPARAMS ((rtx insn, const char *msgid, ...))
 107 {
 108   VA_OPEN (ap, msgid);
 109   VA_FIXEDARG (ap, rtx, insn);
 110   VA_FIXEDARG (ap, const char *, msgid);
 111
 112   diagnostic_for_asm (insn, msgid, &ap, DK_WARNING);
 113   VA_CLOSE (ap);
 114 }
 115
 116 void
 117 _fatal_insn (msgid, insn, file, line, function)
 118      const char *msgid;
 119      rtx insn;
 120      const char *file;
 121      int line;
 122      const char *function;
 123 {
 124   error ("%s", _(msgid));
 125
 126   /* The above incremented error_count, but isn't an error that we want to
 127      count, so reset it here.  */
 128   errorcount--;
 129
 130   debug_rtx (insn);
 131   fancy_abort (file, line, function);
 132 }
 133
 134 void
 135 _fatal_insn_not_found (insn, file, line, function)
 136      rtx insn;
 137      const char *file;
 138      int line;
 139      const char *function;
 140 {
 141   if (INSN_CODE (insn) < 0)
 142     _fatal_insn ("unrecognizable insn:", insn, file, line, function);
 143   else
 144     _fatal_insn ("insn does not satisfy its constraints:",
 145                 insn, file, line, function);
 146 }
 147