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