X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fmessages.c;h=bbe181bbc9f5db5e8aaf6df3dda5977137036e35;hb=9d1416696615c74b8316739150d03ed7f95f2e11;hp=d5c92314e5b4649f70b646a76436bd5746eb241f;hpb=4772861e5b05176b400dba7a93256a2e22416a12;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/messages.c b/gas/messages.c index d5c92314e5..bbe181bbc9 100644 --- a/gas/messages.c +++ b/gas/messages.c @@ -1,365 +1,537 @@ /* messages.c - error reporter - - Copyright (C) 1987, 1991, 1992 Free Software Foundation, Inc. - + Copyright 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001, + 2003, 2004, 2005, 2006, 2007 + Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. - + GAS 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 2, or (at your option) + the Free Software Foundation; either version 3, or (at your option) any later version. - + GAS 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 GAS; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include /* define stderr */ -#include + You should have received a copy of the GNU General Public License + along with GAS; see the file COPYING. If not, write to the Free + Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ #include "as.h" -#ifndef NO_STDARG -#include -#else -#ifndef NO_VARARGS -#include -#endif /* NO_VARARGS */ -#endif /* NO_STDARG */ - -/* - * Despite the rest of the comments in this file, (FIXME-SOON), - * here is the current scheme for error messages etc: - * - * as_fatal() is used when gas is quite confused and - * continuing the assembly is pointless. In this case we - * exit immediately with error status. - * - * as_bad() is used to mark errors that result in what we - * presume to be a useless object file. Say, we ignored - * something that might have been vital. If we see any of - * these, assembly will continue to the end of the source, - * no object file will be produced, and we will terminate - * with error status. The new option, -Z, tells us to - * produce an object file anyway but we still exit with - * error status. The assumption here is that you don't want - * this object file but we could be wrong. - * - * as_warn() is used when we have an error from which we - * have a plausible error recovery. eg, masking the top - * bits of a constant that is longer than will fit in the - * destination. In this case we will continue to assemble - * the source, although we may have made a bad assumption, - * and we will produce an object file and return normal exit - * status (ie, no error). The new option -X tells us to - * treat all as_warn() errors as as_bad() errors. That is, - * no object file will be produced and we will exit with - * error status. The idea here is that we don't kill an - * entire make because of an error that we knew how to - * correct. On the other hand, sometimes you might want to - * stop the make at these points. - * - * as_tsktsk() is used when we see a minor error for which - * our error recovery action is almost certainly correct. - * In this case, we print a message and then assembly - * continues as though no error occurred. - */ - -/* - ERRORS - - JF: this is now bogus. We now print more standard error messages - that try to look like everyone else's. - - We print the error message 1st, beginning in column 1. - All ancillary info starts in column 2 on lines after the - key error text. - We try to print a location in logical and physical file - just after the main error text. - Caller then prints any appendices after that, begining all - lines with at least 1 space. - - Optionally, we may die. - There is no need for a trailing '\n' in your error text format - because we supply one. - - as_warn(fmt,args) Like fprintf(stderr,fmt,args) but also call errwhere(). - - as_fatal(fmt,args) Like as_warn() but exit with a fatal status. - - */ - -static int warning_count; /* Count of number of warnings issued */ - -int had_warnings() { - return(warning_count); -} /* had_err() */ +static void identify (char *); +static void as_show_where (void); +static void as_warn_internal (char *, unsigned int, char *); +static void as_bad_internal (char *, unsigned int, char *); + +/* Despite the rest of the comments in this file, (FIXME-SOON), + here is the current scheme for error messages etc: + + as_fatal() is used when gas is quite confused and + continuing the assembly is pointless. In this case we + exit immediately with error status. + + as_bad() is used to mark errors that result in what we + presume to be a useless object file. Say, we ignored + something that might have been vital. If we see any of + these, assembly will continue to the end of the source, + no object file will be produced, and we will terminate + with error status. The new option, -Z, tells us to + produce an object file anyway but we still exit with + error status. The assumption here is that you don't want + this object file but we could be wrong. + + as_warn() is used when we have an error from which we + have a plausible error recovery. eg, masking the top + bits of a constant that is longer than will fit in the + destination. In this case we will continue to assemble + the source, although we may have made a bad assumption, + and we will produce an object file and return normal exit + status (ie, no error). The new option -X tells us to + treat all as_warn() errors as as_bad() errors. That is, + no object file will be produced and we will exit with + error status. The idea here is that we don't kill an + entire make because of an error that we knew how to + correct. On the other hand, sometimes you might want to + stop the make at these points. + + as_tsktsk() is used when we see a minor error for which + our error recovery action is almost certainly correct. + In this case, we print a message and then assembly + continues as though no error occurred. */ + +static void +identify (char *file) +{ + static int identified; + + if (identified) + return; + identified++; + + if (!file) + { + unsigned int x; + as_where (&file, &x); + } + + if (file) + fprintf (stderr, "%s: ", file); + fprintf (stderr, _("Assembler messages:\n")); +} + +/* The number of warnings issued. */ +static int warning_count; + +int +had_warnings (void) +{ + return warning_count; +} /* Nonzero if we've hit a 'bad error', and should not write an obj file, - and exit with a nonzero error code */ + and exit with a nonzero error code. */ static int error_count; -int had_errors() { - return(error_count); -} /* had_errors() */ +int +had_errors (void) +{ + return error_count; +} +/* Print the current location to stderr. */ -/* - * a s _ p e r r o r - * - * Like perror(3), but with more info. - */ -void as_perror(gripe, filename) -char *gripe; /* Unpunctuated error theme. */ -char *filename; -{ -#ifndef HAVE_STRERROR - extern char *strerror(); -#endif /* HAVE_STRERROR */ - - as_where(); - fprintf(stderr, gripe, filename); - fprintf(stderr, "%s.\n", strerror(errno)); - errno = 0; /* After reporting, clear it. */ -} /* as_perror() */ - -/* - * a s _ t s k t s k () - * - * Send to stderr a string (with bell) (JF: Bell is obnoxious!) as a warning, and locate warning - * in input file(s). - * Please only use this for when we have some recovery action. - * Please explain in string (which may have '\n's) what recovery was done. - */ - -#ifndef NO_STDARG -void as_tsktsk(const char *Format, ...) +static void +as_show_where (void) { - va_list args; - - as_where(); - va_start(args, Format); - vfprintf(stderr, Format, args); - va_end(args); - (void) putc('\n', stderr); -} /* as_tsktsk() */ -#else -#ifndef NO_VARARGS -void as_tsktsk(Format,va_alist) -char *Format; -va_dcl + char *file; + unsigned int line; + + as_where (&file, &line); + identify (file); + if (file) + fprintf (stderr, "%s:%u: ", file, line); +} + +/* Send to stderr a string as a warning, and locate warning + in input file(s). + Please only use this for when we have some recovery action. + Please explain in string (which may have '\n's) what recovery was + done. */ + +#ifdef USE_STDARG +void +as_tsktsk (const char *format, ...) { - va_list args; - - as_where(); - va_start(args); - vfprintf(stderr, Format, args); - va_end(args); - (void) putc('\n', stderr); -} /* as_tsktsk() */ + va_list args; + + as_show_where (); + va_start (args, format); + vfprintf (stderr, format, args); + va_end (args); + (void) putc ('\n', stderr); +} #else -/*VARARGS1 */ -as_tsktsk(Format,args) -char *Format; +void +as_tsktsk (format, va_alist) + const char *format; + va_dcl { - as_where(); - _doprnt (Format, &args, stderr); - (void)putc ('\n', stderr); - /* as_where(); */ -} /* as_tsktsk */ -#endif /* not NO_VARARGS */ + va_list args; + + as_show_where (); + va_start (args); + vfprintf (stderr, format, args); + va_end (args); + (void) putc ('\n', stderr); +} #endif /* not NO_STDARG */ -/* - * a s _ w a r n () - * - * Send to stderr a string as a warning, and locate warning - * in input file(s). - * Please only use this for when we have some recovery action. - * Please explain in string (which may have '\n's) what recovery was done. - */ - -#ifndef NO_STDARG -void as_warn(const char *Format, ...) +/* The common portion of as_warn and as_warn_where. */ + +static void +as_warn_internal (char *file, unsigned int line, char *buffer) { - va_list args; - char buffer[200]; - - if(!flagseen['W']) { - ++warning_count; - as_where(); - va_start(args, Format); - fprintf(stderr,"Warning: "); - vsprintf(buffer, Format, args); - fputs (buffer, stderr); + ++warning_count; + + if (file == NULL) + as_where (&file, &line); + + identify (file); + if (file) + fprintf (stderr, "%s:%u: ", file, line); + fprintf (stderr, _("Warning: ")); + fputs (buffer, stderr); + (void) putc ('\n', stderr); #ifndef NO_LISTING - listing_warning(buffer); + listing_warning (buffer); #endif - va_end(args); - (void) putc('\n', stderr); - } -} /* as_warn() */ -#else -#ifndef NO_VARARGS -void as_warn(Format,va_alist) -char *Format; -va_dcl +} + +/* Send to stderr a string as a warning, and locate warning + in input file(s). + Please only use this for when we have some recovery action. + Please explain in string (which may have '\n's) what recovery was + done. */ + +#ifdef USE_STDARG +void +as_warn (const char *format, ...) { - va_list args; - char buffer[200]; - - if(!flagseen['W']) { - ++warning_count; - as_where(); - va_start(args); - fprintf(stderr,"Warning: "); - vsprintf(buffer, Format, args); - fputs (buffer, stderr); -#ifndef NO_LISTING - listing_warning(buffer); -#endif - va_end(args); - (void) putc('\n', stderr); - } -} /* as_warn() */ + va_list args; + char buffer[2000]; + + if (!flag_no_warnings) + { + va_start (args, format); + vsnprintf (buffer, sizeof (buffer), format, args); + va_end (args); + as_warn_internal ((char *) NULL, 0, buffer); + } +} #else -/*VARARGS1 */ -as_warn(Format,args) -char *Format; +void +as_warn (format, va_alist) + const char *format; + va_dcl { - /* -W supresses warning messages. */ - if (! flagseen ['W']) { - ++warning_count; - as_where(); - _doprnt (Format, &args, stderr); - (void)putc ('\n', stderr); - /* as_where(); */ - } -} /* as_warn() */ -#endif /* not NO_VARARGS */ + va_list args; + char buffer[2000]; + + if (!flag_no_warnings) + { + va_start (args); + vsnprintf (buffer, sizeof (buffer), format, args); + va_end (args); + as_warn_internal ((char *) NULL, 0, buffer); + } +} #endif /* not NO_STDARG */ -/* - * a s _ b a d () - * - * Send to stderr a string (with bell) (JF: Bell is obnoxious!) as a warning, - * and locate warning in input file(s). - * Please us when there is no recovery, but we want to continue processing - * but not produce an object file. - * Please explain in string (which may have '\n's) what recovery was done. - */ - -#ifndef NO_STDARG -void as_bad(const char *Format, ...) +/* Like as_bad but the file name and line number are passed in. + Unfortunately, we have to repeat the function in order to handle + the varargs correctly and portably. */ + +#ifdef USE_STDARG +void +as_warn_where (char *file, unsigned int line, const char *format, ...) { - va_list args; - char buffer[200]; - - ++error_count; - as_where(); - va_start(args, Format); - fprintf(stderr,"Error: "); - - vsprintf(buffer, Format, args); - fputs (buffer,stderr); -#ifndef NO_LISTING - listing_error(buffer); -#endif - va_end(args); - (void) putc('\n', stderr); -} /* as_bad() */ + va_list args; + char buffer[2000]; + + if (!flag_no_warnings) + { + va_start (args, format); + vsnprintf (buffer, sizeof (buffer), format, args); + va_end (args); + as_warn_internal (file, line, buffer); + } +} #else -#ifndef NO_VARARGS -void as_bad(Format,va_alist) -char *Format; -va_dcl +void +as_warn_where (file, line, format, va_alist) + char *file; + unsigned int line; + const char *format; + va_dcl { - va_list args; - char buffer[200]; - - ++error_count; - as_where(); - va_start(args); - vsprintf(buffer, Format, args); - fputs (buffer, stderr); + va_list args; + char buffer[2000]; + + if (!flag_no_warnings) + { + va_start (args); + vsnprintf (buffer, sizeof (buffer), format, args); + va_end (args); + as_warn_internal (file, line, buffer); + } +} +#endif /* not NO_STDARG */ + +/* The common portion of as_bad and as_bad_where. */ + +static void +as_bad_internal (char *file, unsigned int line, char *buffer) +{ + ++error_count; + + if (file == NULL) + as_where (&file, &line); + + identify (file); + if (file) + fprintf (stderr, "%s:%u: ", file, line); + fprintf (stderr, _("Error: ")); + fputs (buffer, stderr); + (void) putc ('\n', stderr); #ifndef NO_LISTING - listing_error(buffer); + listing_error (buffer); #endif - - va_end(args); - (void) putc('\n', stderr); -} /* as_bad() */ +} + +/* Send to stderr a string as a warning, and locate warning in input + file(s). Please us when there is no recovery, but we want to + continue processing but not produce an object file. + Please explain in string (which may have '\n's) what recovery was + done. */ + +#ifdef USE_STDARG +void +as_bad (const char *format, ...) +{ + va_list args; + char buffer[2000]; + + va_start (args, format); + vsnprintf (buffer, sizeof (buffer), format, args); + va_end (args); + + as_bad_internal ((char *) NULL, 0, buffer); +} + #else -/*VARARGS1 */ -as_bad(Format,args) -char *Format; +void +as_bad (format, va_alist) + const char *format; + va_dcl { - ++error_count; - - as_where(); - fprintf(stderr,"Error: "); - _doprnt (Format, &args, stderr); - (void)putc ('\n', stderr); - /* as_where(); */ -} /* as_bad() */ -#endif /* not NO_VARARGS */ + va_list args; + char buffer[2000]; + + va_start (args); + vsnprintf (buffer, sizeof (buffer), format, args); + va_end (args); + + as_bad_internal ((char *) NULL, 0, buffer); +} #endif /* not NO_STDARG */ -/* - * a s _ f a t a l () - * - * Send to stderr a string (with bell) (JF: Bell is obnoxious!) as a fatal - * message, and locate stdsource in input file(s). - * Please only use this for when we DON'T have some recovery action. - * It exit()s with a warning status. - */ - -#ifndef NO_STDARG -void as_fatal(const char *Format, ...) +/* Like as_bad but the file name and line number are passed in. + Unfortunately, we have to repeat the function in order to handle + the varargs correctly and portably. */ + +#ifdef USE_STDARG +void +as_bad_where (char *file, unsigned int line, const char *format, ...) { - va_list args; - - as_where(); - va_start(args, Format); - fprintf (stderr, "FATAL:"); - vfprintf(stderr, Format, args); - (void) putc('\n', stderr); - va_end(args); - exit(33); -} /* as_fatal() */ + va_list args; + char buffer[2000]; + + va_start (args, format); + vsnprintf (buffer, sizeof (buffer), format, args); + va_end (args); + + as_bad_internal (file, line, buffer); +} + #else -#ifndef NO_VARARGS -void as_fatal(Format,va_alist) -char *Format; -va_dcl +void +as_bad_where (file, line, format, va_alist) + char *file; + unsigned int line; + const char *format; + va_dcl { - va_list args; - - as_where(); - va_start(args); - fprintf (stderr, "FATAL:"); - vfprintf(stderr, Format, args); - (void) putc('\n', stderr); - va_end(args); - exit(33); -} /* as_fatal() */ + va_list args; + char buffer[2000]; + + va_start (args); + vsnprintf (buffer, sizeof (buffer), format, args); + va_end (args); + + as_bad_internal (file, line, buffer); +} +#endif /* not NO_STDARG */ + +/* Send to stderr a string as a fatal message, and print location of + error in input file(s). + Please only use this for when we DON'T have some recovery action. + It xexit()s with a warning status. */ + +#ifdef USE_STDARG +void +as_fatal (const char *format, ...) +{ + va_list args; + + as_show_where (); + va_start (args, format); + fprintf (stderr, _("Fatal error: ")); + vfprintf (stderr, format, args); + (void) putc ('\n', stderr); + va_end (args); + /* Delete the output file, if it exists. This will prevent make from + thinking that a file was created and hence does not need rebuilding. */ + if (out_file_name != NULL) + unlink_if_ordinary (out_file_name); + xexit (EXIT_FAILURE); +} #else -/*VARARGS1 */ -as_fatal(Format, args) -char *Format; +void +as_fatal (format, va_alist) + char *format; + va_dcl { - as_where(); - fprintf(stderr,"FATAL:"); - _doprnt (Format, &args, stderr); - (void)putc ('\n', stderr); - /* as_where(); */ - exit(33); /* What is a good exit status? */ -} /* as_fatal() */ -#endif /* not NO_VARARGS */ + va_list args; + + as_show_where (); + va_start (args); + fprintf (stderr, _("Fatal error: ")); + vfprintf (stderr, format, args); + (void) putc ('\n', stderr); + va_end (args); + xexit (EXIT_FAILURE); +} #endif /* not NO_STDARG */ -/* end of messages.c */ +/* Indicate assertion failure. + Arguments: Filename, line number, optional function name. */ + +void +as_assert (const char *file, int line, const char *fn) +{ + as_show_where (); + fprintf (stderr, _("Internal error!\n")); + if (fn) + fprintf (stderr, _("Assertion failure in %s at %s line %d.\n"), + fn, file, line); + else + fprintf (stderr, _("Assertion failure at %s line %d.\n"), file, line); + fprintf (stderr, _("Please report this bug.\n")); + xexit (EXIT_FAILURE); +} + +/* as_abort: Print a friendly message saying how totally hosed we are, + and exit without producing a core file. */ + +void +as_abort (const char *file, int line, const char *fn) +{ + as_show_where (); + if (fn) + fprintf (stderr, _("Internal error, aborting at %s line %d in %s\n"), + file, line, fn); + else + fprintf (stderr, _("Internal error, aborting at %s line %d\n"), + file, line); + fprintf (stderr, _("Please report this bug.\n")); + xexit (EXIT_FAILURE); +} + +/* Support routines. */ + +void +sprint_value (char *buf, valueT val) +{ + if (sizeof (val) <= sizeof (long)) + { + sprintf (buf, "%ld", (long) val); + return; + } + if (sizeof (val) <= sizeof (bfd_vma)) + { + sprintf_vma (buf, val); + return; + } + abort (); +} + +#define HEX_MAX_THRESHOLD 1024 +#define HEX_MIN_THRESHOLD -(HEX_MAX_THRESHOLD) + +static void +as_internal_value_out_of_range (char * prefix, + offsetT val, + offsetT min, + offsetT max, + char * file, + unsigned line, + int bad) +{ + const char * err; + + if (prefix == NULL) + prefix = ""; + + if (val >= min && val <= max) + { + addressT right = max & -max; + + if (max <= 1) + abort (); + + /* xgettext:c-format */ + err = _("%s out of domain (%d is not a multiple of %d)"); + if (bad) + as_bad_where (file, line, err, + prefix, (int) val, (int) right); + else + as_warn_where (file, line, err, + prefix, (int) val, (int) right); + return; + } + + if ( val < HEX_MAX_THRESHOLD + && min < HEX_MAX_THRESHOLD + && max < HEX_MAX_THRESHOLD + && val > HEX_MIN_THRESHOLD + && min > HEX_MIN_THRESHOLD + && max > HEX_MIN_THRESHOLD) + { + /* xgettext:c-format */ + err = _("%s out of range (%d is not between %d and %d)"); + + if (bad) + as_bad_where (file, line, err, + prefix, (int) val, (int) min, (int) max); + else + as_warn_where (file, line, err, + prefix, (int) val, (int) min, (int) max); + } + else + { + char val_buf [sizeof (val) * 3 + 2]; + char min_buf [sizeof (val) * 3 + 2]; + char max_buf [sizeof (val) * 3 + 2]; + + if (sizeof (val) > sizeof (bfd_vma)) + abort (); + + sprintf_vma (val_buf, val); + sprintf_vma (min_buf, min); + sprintf_vma (max_buf, max); + + /* xgettext:c-format. */ + err = _("%s out of range (0x%s is not between 0x%s and 0x%s)"); + + if (bad) + as_bad_where (file, line, err, prefix, val_buf, min_buf, max_buf); + else + as_warn_where (file, line, err, prefix, val_buf, min_buf, max_buf); + } +} + +void +as_warn_value_out_of_range (char * prefix, + offsetT value, + offsetT min, + offsetT max, + char * file, + unsigned line) +{ + as_internal_value_out_of_range (prefix, value, min, max, file, line, 0); +} + +void +as_bad_value_out_of_range (char * prefix, + offsetT value, + offsetT min, + offsetT max, + char * file, + unsigned line) +{ + as_internal_value_out_of_range (prefix, value, min, max, file, line, 1); +}