diff options
Diffstat (limited to 'gas/messages.c')
| -rw-r--r-- | gas/messages.c | 78 |
1 files changed, 40 insertions, 38 deletions
diff --git a/gas/messages.c b/gas/messages.c index 18d22da..005cd22 100644 --- a/gas/messages.c +++ b/gas/messages.c @@ -1,5 +1,5 @@ /* messages.c - error reporter - - Copyright 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001 + Copyright 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001, 2003 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -48,46 +48,46 @@ 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. - */ + 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++; @@ -109,7 +109,7 @@ static int warning_count; int had_warnings (void) { - return (warning_count); + return warning_count; } /* Nonzero if we've hit a 'bad error', and should not write an obj file, @@ -120,7 +120,7 @@ static int error_count; int had_errors (void) { - return (error_count); + return error_count; } /* Print the current location to stderr. */ @@ -144,9 +144,11 @@ as_perror (const char *gripe, /* Unpunctuated error theme. */ const char *filename) { const char *errtxt; + int saved_errno = errno; as_show_where (); fprintf (stderr, gripe, filename); + errno = saved_errno; #ifdef BFD_ASSEMBLER errtxt = bfd_errmsg (bfd_get_error ()); #else |