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/* RTL specific diagnostic subroutines for GCC

   Copyright (C) 2001, 2002, 2003, 2004, 2007 Free Software Foundation, Inc.

   Contributed by Gabriel Dos Reis <gdr@codesourcery.com>

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3, or (at your option)

any later version.

GCC is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

#include "config.h"

#undef FLOAT /* This is for hpux. They should change hpux.  */

#undef FFS  /* Some systems define this in param.h.  */

#include "system.h"

#include "coretypes.h"

#include "tm.h"

#include "rtl.h"

#include "insn-attr.h"

#include "insn-config.h"

#include "input.h"

#include "toplev.h"

#include "intl.h"

#include "diagnostic.h"

static location_t location_for_asm (rtx);

static void diagnostic_for_asm (rtx, const char *, va_list *, diagnostic_t) ATTRIBUTE_GCC_DIAG(2,0);

/* Figure the location of the given INSN.  */

static location_t

location_for_asm (rtx insn)

{

  rtx body = PATTERN (insn);

  rtx asmop;

  location_t loc;

  /* Find the (or one of the) ASM_OPERANDS in the insn.  */

  if (GET_CODE (body) == SET && GET_CODE (SET_SRC (body)) == ASM_OPERANDS)

    asmop = SET_SRC (body);

  else if (GET_CODE (body) == ASM_OPERANDS)

    asmop = body;

  else if (GET_CODE (body) == PARALLEL

           && GET_CODE (XVECEXP (body, 0, 0)) == SET)

    asmop = SET_SRC (XVECEXP (body, 0, 0));

  else if (GET_CODE (body) == PARALLEL

           && GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS)

    asmop = XVECEXP (body, 0, 0);

  else

    asmop = NULL;

  if (asmop)

#ifdef USE_MAPPED_LOCATION

    loc = ASM_OPERANDS_SOURCE_LOCATION (asmop);

#else

    {

      loc.file = ASM_OPERANDS_SOURCE_FILE (asmop);

      loc.line = ASM_OPERANDS_SOURCE_LINE (asmop);

    }

#endif

  else

    loc = input_location;

  return loc;

}

/* Report a diagnostic MESSAGE (an errror or a WARNING) at the line number

   of the insn INSN.  This is used only when INSN is an `asm' with operands,

   and each ASM_OPERANDS records its own source file and line.  */

static void

diagnostic_for_asm (rtx insn, const char *msg, va_list *args_ptr,

                    diagnostic_t kind)

{

  diagnostic_info diagnostic;

  diagnostic_set_info (&diagnostic, msg, args_ptr,

                       location_for_asm (insn), kind);

  report_diagnostic (&diagnostic);

}

void

error_for_asm (rtx insn, const char *gmsgid, ...)

{

  va_list ap;

  va_start (ap, gmsgid);

  diagnostic_for_asm (insn, gmsgid, &ap, DK_ERROR);

  va_end (ap);

}

void

warning_for_asm (rtx insn, const char *gmsgid, ...)

{

  va_list ap;

  va_start (ap, gmsgid);

  diagnostic_for_asm (insn, gmsgid, &ap, DK_WARNING);

  va_end (ap);

}

void

_fatal_insn (const char *msgid, rtx insn, const char *file, int line,

             const char *function)

{

  error ("%s", _(msgid));

  /* The above incremented error_count, but isn't an error that we want to

     count, so reset it here.  */

  errorcount--;

  debug_rtx (insn);

  fancy_abort (file, line, function);

}

void

_fatal_insn_not_found (rtx insn, const char *file, int line,

                       const char *function)

{

  if (INSN_CODE (insn) < 0)

    _fatal_insn ("unrecognizable insn:", insn, file, line, function);

  else

    _fatal_insn ("insn does not satisfy its constraints:",

                insn, file, line, function);

}