gcc/rtl-error.c

   1 /* RTL specific diagnostic subroutines for GCC
   2    Copyright (C) 2001, 2002, 2003 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 location_t location_for_asm PARAMS ((rtx));
  37 static void diagnostic_for_asm PARAMS ((rtx, const char *, va_list *,
  38                                         diagnostic_t));
  39
  40 /* Figure the location of the given INSN.  */
  41 static location_t
  42 location_for_asm (insn)
  43      rtx insn;
  44 {
  45   rtx body = PATTERN (insn);
  46   rtx asmop;
  47   location_t loc;
  48
  49   /* Find the (or one of the) ASM_OPERANDS in the insn.  */
  50   if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
  51     asmop = SET_SRC (body);
  52   else if (GET_CODE (body) == ASM_OPERANDS)
  53     asmop = body;
  54   else if (GET_CODE (body) == PARALLEL
  55            && GET_CODE (XVECEXP (body, 0, 0)) == SET)
  56     asmop = SET_SRC (XVECEXP (body, 0, 0));
  57   else if (GET_CODE (body) == PARALLEL
  58            && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)
  59     asmop = XVECEXP (body, 0, 0);
  60   else
  61     asmop = NULL;
  62
  63   if (asmop)
  64     {
  65       loc.file = ASM_OPERANDS_SOURCE_FILE (asmop);
  66       loc.line = ASM_OPERANDS_SOURCE_LINE (asmop);
  67     }
  68   else
  69     loc = input_location;
  70   return loc;
  71 }
  72
  73 /* Report a diagnostic MESSAGE (an errror or a WARNING) at the line number
  74    of the insn INSN.  This is used only when INSN is an `asm' with operands,
  75    and each ASM_OPERANDS records its own source file and line.  */
  76 static void
  77 diagnostic_for_asm (insn, msg, args_ptr, kind)
  78      rtx insn;
  79      const char *msg;
  80      va_list *args_ptr;
  81      diagnostic_t kind;
  82 {
  83   diagnostic_info diagnostic;
  84
  85   diagnostic_set_info (&diagnostic, msg, args_ptr,
  86                        location_for_asm (insn), kind);
  87   report_diagnostic (&diagnostic);
  88 }
  89
  90 void
  91 error_for_asm (rtx insn, const char *msgid, ...)
  92 {
  93   va_list ap;
  94
  95   va_start (ap, msgid);
  96   diagnostic_for_asm (insn, msgid, &ap, DK_ERROR);
  97   va_end (ap);
  98 }
  99
 100 void
 101 warning_for_asm (rtx insn, const char *msgid, ...)
 102 {
 103   va_list ap;
 104
 105   va_start (ap, msgid);
 106   diagnostic_for_asm (insn, msgid, &ap, DK_WARNING);
 107   va_end (ap);
 108 }
 109
 110 void
 111 _fatal_insn (msgid, insn, file, line, function)
 112      const char *msgid;
 113      rtx insn;
 114      const char *file;
 115      int line;
 116      const char *function;
 117 {
 118   error ("%s", _(msgid));
 119
 120   /* The above incremented error_count, but isn't an error that we want to
 121      count, so reset it here.  */
 122   errorcount--;
 123
 124   debug_rtx (insn);
 125   fancy_abort (file, line, function);
 126 }
 127
 128 void
 129 _fatal_insn_not_found (insn, file, line, function)
 130      rtx insn;
 131      const char *file;
 132      int line;
 133      const char *function;
 134 {
 135   if (INSN_CODE (insn) < 0)
 136     _fatal_insn ("unrecognizable insn:", insn, file, line, function);
 137   else
 138     _fatal_insn ("insn does not satisfy its constraints:",
 139                 insn, file, line, function);
 140 }
 141