3f5c947f44
us up to version 2.17.50.20070703, at the last GPLv2 commit. Amongst others, this added upstream support for some FreeBSD-specific things that we previously had to manually hack in, such as the OSABI label support, and so on. There are also quite a number of new files, some for cpu's (e.g. SPU) that we may or may not be interested in, but those can be cleaned up later on, if needed.
538 lines
13 KiB
C
538 lines
13 KiB
C
/* messages.c - error reporter -
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Copyright 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001,
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2003, 2004, 2005, 2006, 2007
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Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#include "as.h"
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static void identify (char *);
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static void as_show_where (void);
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static void as_warn_internal (char *, unsigned int, char *);
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static void as_bad_internal (char *, unsigned int, char *);
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/* Despite the rest of the comments in this file, (FIXME-SOON),
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here is the current scheme for error messages etc:
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as_fatal() is used when gas is quite confused and
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continuing the assembly is pointless. In this case we
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exit immediately with error status.
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as_bad() is used to mark errors that result in what we
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presume to be a useless object file. Say, we ignored
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something that might have been vital. If we see any of
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these, assembly will continue to the end of the source,
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no object file will be produced, and we will terminate
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with error status. The new option, -Z, tells us to
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produce an object file anyway but we still exit with
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error status. The assumption here is that you don't want
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this object file but we could be wrong.
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as_warn() is used when we have an error from which we
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have a plausible error recovery. eg, masking the top
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bits of a constant that is longer than will fit in the
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destination. In this case we will continue to assemble
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the source, although we may have made a bad assumption,
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and we will produce an object file and return normal exit
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status (ie, no error). The new option -X tells us to
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treat all as_warn() errors as as_bad() errors. That is,
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no object file will be produced and we will exit with
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error status. The idea here is that we don't kill an
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entire make because of an error that we knew how to
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correct. On the other hand, sometimes you might want to
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stop the make at these points.
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as_tsktsk() is used when we see a minor error for which
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our error recovery action is almost certainly correct.
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In this case, we print a message and then assembly
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continues as though no error occurred. */
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static void
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identify (char *file)
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{
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static int identified;
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if (identified)
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return;
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identified++;
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if (!file)
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{
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unsigned int x;
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as_where (&file, &x);
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}
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if (file)
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fprintf (stderr, "%s: ", file);
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fprintf (stderr, _("Assembler messages:\n"));
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}
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/* The number of warnings issued. */
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static int warning_count;
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int
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had_warnings (void)
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{
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return warning_count;
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}
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/* Nonzero if we've hit a 'bad error', and should not write an obj file,
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and exit with a nonzero error code. */
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static int error_count;
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int
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had_errors (void)
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{
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return error_count;
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}
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/* Print the current location to stderr. */
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static void
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as_show_where (void)
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{
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char *file;
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unsigned int line;
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as_where (&file, &line);
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identify (file);
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if (file)
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fprintf (stderr, "%s:%u: ", file, line);
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}
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/* Send to stderr a string as a warning, and locate warning
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in input file(s).
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Please only use this for when we have some recovery action.
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Please explain in string (which may have '\n's) what recovery was
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done. */
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#ifdef USE_STDARG
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void
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as_tsktsk (const char *format, ...)
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{
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va_list args;
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as_show_where ();
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va_start (args, format);
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vfprintf (stderr, format, args);
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va_end (args);
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(void) putc ('\n', stderr);
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}
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#else
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void
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as_tsktsk (format, va_alist)
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const char *format;
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va_dcl
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{
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va_list args;
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as_show_where ();
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va_start (args);
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vfprintf (stderr, format, args);
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va_end (args);
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(void) putc ('\n', stderr);
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}
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#endif /* not NO_STDARG */
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/* The common portion of as_warn and as_warn_where. */
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static void
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as_warn_internal (char *file, unsigned int line, char *buffer)
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{
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++warning_count;
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if (file == NULL)
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as_where (&file, &line);
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identify (file);
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if (file)
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fprintf (stderr, "%s:%u: ", file, line);
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fprintf (stderr, _("Warning: "));
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fputs (buffer, stderr);
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(void) putc ('\n', stderr);
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#ifndef NO_LISTING
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listing_warning (buffer);
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#endif
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}
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/* Send to stderr a string as a warning, and locate warning
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in input file(s).
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Please only use this for when we have some recovery action.
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Please explain in string (which may have '\n's) what recovery was
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done. */
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#ifdef USE_STDARG
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void
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as_warn (const char *format, ...)
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{
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va_list args;
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char buffer[2000];
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if (!flag_no_warnings)
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{
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va_start (args, format);
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vsnprintf (buffer, sizeof (buffer), format, args);
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va_end (args);
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as_warn_internal ((char *) NULL, 0, buffer);
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}
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}
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#else
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void
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as_warn (format, va_alist)
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const char *format;
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va_dcl
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{
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va_list args;
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char buffer[2000];
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if (!flag_no_warnings)
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{
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va_start (args);
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vsnprintf (buffer, sizeof (buffer), format, args);
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va_end (args);
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as_warn_internal ((char *) NULL, 0, buffer);
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}
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}
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#endif /* not NO_STDARG */
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/* Like as_bad but the file name and line number are passed in.
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Unfortunately, we have to repeat the function in order to handle
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the varargs correctly and portably. */
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#ifdef USE_STDARG
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void
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as_warn_where (char *file, unsigned int line, const char *format, ...)
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{
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va_list args;
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char buffer[2000];
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if (!flag_no_warnings)
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{
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va_start (args, format);
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vsnprintf (buffer, sizeof (buffer), format, args);
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va_end (args);
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as_warn_internal (file, line, buffer);
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}
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}
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#else
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void
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as_warn_where (file, line, format, va_alist)
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char *file;
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unsigned int line;
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const char *format;
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va_dcl
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{
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va_list args;
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char buffer[2000];
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if (!flag_no_warnings)
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{
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va_start (args);
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vsnprintf (buffer, sizeof (buffer), format, args);
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va_end (args);
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as_warn_internal (file, line, buffer);
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}
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}
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#endif /* not NO_STDARG */
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/* The common portion of as_bad and as_bad_where. */
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static void
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as_bad_internal (char *file, unsigned int line, char *buffer)
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{
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++error_count;
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if (file == NULL)
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as_where (&file, &line);
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identify (file);
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if (file)
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fprintf (stderr, "%s:%u: ", file, line);
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fprintf (stderr, _("Error: "));
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fputs (buffer, stderr);
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(void) putc ('\n', stderr);
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#ifndef NO_LISTING
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listing_error (buffer);
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#endif
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}
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/* Send to stderr a string as a warning, and locate warning in input
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file(s). Please us when there is no recovery, but we want to
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continue processing but not produce an object file.
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Please explain in string (which may have '\n's) what recovery was
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done. */
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#ifdef USE_STDARG
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void
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as_bad (const char *format, ...)
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{
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va_list args;
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char buffer[2000];
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va_start (args, format);
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vsnprintf (buffer, sizeof (buffer), format, args);
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va_end (args);
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as_bad_internal ((char *) NULL, 0, buffer);
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}
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#else
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void
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as_bad (format, va_alist)
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const char *format;
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va_dcl
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{
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va_list args;
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char buffer[2000];
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va_start (args);
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vsnprintf (buffer, sizeof (buffer), format, args);
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va_end (args);
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as_bad_internal ((char *) NULL, 0, buffer);
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}
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#endif /* not NO_STDARG */
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/* Like as_bad but the file name and line number are passed in.
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Unfortunately, we have to repeat the function in order to handle
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the varargs correctly and portably. */
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#ifdef USE_STDARG
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void
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as_bad_where (char *file, unsigned int line, const char *format, ...)
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{
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va_list args;
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char buffer[2000];
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va_start (args, format);
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vsnprintf (buffer, sizeof (buffer), format, args);
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va_end (args);
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as_bad_internal (file, line, buffer);
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}
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#else
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void
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as_bad_where (file, line, format, va_alist)
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char *file;
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unsigned int line;
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const char *format;
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va_dcl
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{
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va_list args;
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char buffer[2000];
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va_start (args);
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vsnprintf (buffer, sizeof (buffer), format, args);
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va_end (args);
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as_bad_internal (file, line, buffer);
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}
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#endif /* not NO_STDARG */
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/* Send to stderr a string as a fatal message, and print location of
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error in input file(s).
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Please only use this for when we DON'T have some recovery action.
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It xexit()s with a warning status. */
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#ifdef USE_STDARG
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void
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as_fatal (const char *format, ...)
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{
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va_list args;
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as_show_where ();
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va_start (args, format);
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fprintf (stderr, _("Fatal error: "));
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vfprintf (stderr, format, args);
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(void) putc ('\n', stderr);
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va_end (args);
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/* Delete the output file, if it exists. This will prevent make from
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thinking that a file was created and hence does not need rebuilding. */
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if (out_file_name != NULL)
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unlink_if_ordinary (out_file_name);
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xexit (EXIT_FAILURE);
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}
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#else
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void
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as_fatal (format, va_alist)
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char *format;
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va_dcl
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{
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va_list args;
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as_show_where ();
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va_start (args);
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fprintf (stderr, _("Fatal error: "));
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vfprintf (stderr, format, args);
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(void) putc ('\n', stderr);
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va_end (args);
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xexit (EXIT_FAILURE);
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}
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#endif /* not NO_STDARG */
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/* Indicate assertion failure.
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Arguments: Filename, line number, optional function name. */
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void
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as_assert (const char *file, int line, const char *fn)
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{
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as_show_where ();
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fprintf (stderr, _("Internal error!\n"));
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if (fn)
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fprintf (stderr, _("Assertion failure in %s at %s line %d.\n"),
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fn, file, line);
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else
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fprintf (stderr, _("Assertion failure at %s line %d.\n"), file, line);
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fprintf (stderr, _("Please report this bug.\n"));
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xexit (EXIT_FAILURE);
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}
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/* as_abort: Print a friendly message saying how totally hosed we are,
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and exit without producing a core file. */
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void
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as_abort (const char *file, int line, const char *fn)
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{
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as_show_where ();
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if (fn)
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fprintf (stderr, _("Internal error, aborting at %s line %d in %s\n"),
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file, line, fn);
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else
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fprintf (stderr, _("Internal error, aborting at %s line %d\n"),
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file, line);
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fprintf (stderr, _("Please report this bug.\n"));
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xexit (EXIT_FAILURE);
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}
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/* Support routines. */
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void
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sprint_value (char *buf, valueT val)
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{
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if (sizeof (val) <= sizeof (long))
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{
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sprintf (buf, "%ld", (long) val);
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return;
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}
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if (sizeof (val) <= sizeof (bfd_vma))
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{
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sprintf_vma (buf, val);
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return;
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}
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abort ();
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}
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#define HEX_MAX_THRESHOLD 1024
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#define HEX_MIN_THRESHOLD -(HEX_MAX_THRESHOLD)
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static void
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as_internal_value_out_of_range (char * prefix,
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offsetT val,
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offsetT min,
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offsetT max,
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char * file,
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unsigned line,
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int bad)
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{
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const char * err;
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if (prefix == NULL)
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prefix = "";
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if (val >= min && val <= max)
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{
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addressT right = max & -max;
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if (max <= 1)
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abort ();
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/* xgettext:c-format */
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err = _("%s out of domain (%d is not a multiple of %d)");
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if (bad)
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as_bad_where (file, line, err,
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prefix, (int) val, (int) right);
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else
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as_warn_where (file, line, err,
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prefix, (int) val, (int) right);
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return;
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}
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if ( val < HEX_MAX_THRESHOLD
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&& min < HEX_MAX_THRESHOLD
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&& max < HEX_MAX_THRESHOLD
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&& val > HEX_MIN_THRESHOLD
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&& min > HEX_MIN_THRESHOLD
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&& max > HEX_MIN_THRESHOLD)
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{
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/* xgettext:c-format */
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err = _("%s out of range (%d is not between %d and %d)");
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if (bad)
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as_bad_where (file, line, err,
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prefix, (int) val, (int) min, (int) max);
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else
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as_warn_where (file, line, err,
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prefix, (int) val, (int) min, (int) max);
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}
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else
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{
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char val_buf [sizeof (val) * 3 + 2];
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char min_buf [sizeof (val) * 3 + 2];
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char max_buf [sizeof (val) * 3 + 2];
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if (sizeof (val) > sizeof (bfd_vma))
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abort ();
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sprintf_vma (val_buf, val);
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sprintf_vma (min_buf, min);
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sprintf_vma (max_buf, max);
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/* xgettext:c-format. */
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err = _("%s out of range (0x%s is not between 0x%s and 0x%s)");
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if (bad)
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as_bad_where (file, line, err, prefix, val_buf, min_buf, max_buf);
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else
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as_warn_where (file, line, err, prefix, val_buf, min_buf, max_buf);
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}
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}
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void
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as_warn_value_out_of_range (char * prefix,
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offsetT value,
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offsetT min,
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offsetT max,
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char * file,
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unsigned line)
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{
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as_internal_value_out_of_range (prefix, value, min, max, file, line, 0);
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}
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void
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as_bad_value_out_of_range (char * prefix,
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offsetT value,
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offsetT min,
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offsetT max,
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char * file,
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unsigned line)
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{
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as_internal_value_out_of_range (prefix, value, min, max, file, line, 1);
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}
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