-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* ldmisc.c
+ Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
+ Free Software Foundation, Inc.
+ Written by Steve Chamberlain of Cygnus Support.
This file is part of GLD, the Gnu Linker.
GLD 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 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
any later version.
GLD is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GLD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/*
- * $Id$
- */
-
-/*
- ldmisc.c
-
-*/
+along with GLD; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
+#include "bfd.h"
#include "sysdep.h"
+#include "libiberty.h"
+#include "demangle.h"
+
+#ifdef ANSI_PROTOTYPES
+#include <stdarg.h>
+#define USE_STDARG 1
+#else
#include <varargs.h>
-#include "bfd.h"
+#define USE_STDARG 0
+#endif
#include "ld.h"
#include "ldmisc.h"
+#include "ldexp.h"
#include "ldlang.h"
+#include "ldgram.h"
#include "ldlex.h"
-/* IMPORTS */
+#include "ldmain.h"
+#include "ldfile.h"
-extern char *program_name;
-
-extern FILE *ldlex_input_stack;
-extern char *ldfile_input_filename;
-extern ld_config_type config;
-
-void
-yyerror(arg)
-char *arg;
-{
- info("%P%F: %S %s\n",arg);
-}
-
-extern int errno;
-extern int sys_nerr;
-extern char *sys_errlist[];
+static void vfinfo PARAMS ((FILE *, const char *, va_list));
/*
+ %% literal %
%F error is fatal
- %P print progam name
+ %P print program name
%S print script file and linenumber
%E current bfd error or errno
%I filename from a lang_input_statement_type
%B filename from a bfd
- %T symbol table entry
+ %T symbol name
%X no object output, fail return
%V hex bfd_vma
- %C Clever filename:linenumber
- %
+ %v hex bfd_vma, no leading zeros
+ %W hex bfd_vma with 0x with no leading zeros taking up 8 spaces
+ %C clever filename:linenumber with function
+ %D like %C, but no function name
+ %G like %D, but only function name
+ %R info about a relent
+ %s arbitrary string, like printf
+ %d integer, like printf
+ %u integer, like printf
*/
-void info(va_alist)
-va_dcl
+
+char *
+demangle (string)
+ const char *string;
{
- char *fmt;
- boolean fatal = false;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- while (*fmt) {
- while (*fmt != '%' && *fmt != '\0') {
- fputc(*fmt, stderr);
- fmt++;
- }
- if (*fmt == '%') {
- fmt ++;
- switch (*fmt++) {
- case 'X':
- config.make_executable = false;
- break;
- case 'V':
- fprintf(stderr,"%08lx", va_arg(arg, bfd_vma));
- break;
- case 'T':
- {
- asymbol *symbol = va_arg(arg, asymbol *);
- if (symbol) {
- asection *section = symbol->section;
- if ((symbol->flags & BSF_UNDEFINED) == 0) {
- CONST char *section_name = section == (asection *)NULL ?
- "absolute" : section->name;
- fprintf(stderr,"%s (%s)", symbol->name, section_name);
- }
- else {
- fprintf(stderr,"%s", symbol->name);
- }
- }
- else {
- fprintf(stderr,"no symbol");
- }
- }
- break;
- case 'B':
- {
- bfd *abfd = va_arg(arg, bfd *);
- if (abfd->my_archive) {
- fprintf(stderr,"%s(%s)", abfd->my_archive->filename,
- abfd->filename);
- }
- else {
- fprintf(stderr,"%s", abfd->filename);
-
- }
- }
- break;
- case 'F':
- fatal = true;
- break;
- case 'P':
- fprintf(stderr,"%s", program_name);
- break;
- case 'E':
- /* Replace with the most recent errno explanation */
+ char *res;
+ if (output_bfd != NULL
+ && bfd_get_symbol_leading_char (output_bfd) == string[0])
+ ++string;
- fprintf(stderr, bfd_errmsg(bfd_error));
+ /* This is a hack for better error reporting on XCOFF, or the MS PE */
+ /* format. Xcoff has a single '.', while the NT PE for PPC has '..'. */
+ /* So we remove all of them. */
+ while(string[0] == '.')
+ ++string;
+
+ res = cplus_demangle (string, DMGL_ANSI | DMGL_PARAMS);
+ return res ? res : xstrdup (string);
+}
+static void
+vfinfo (fp, fmt, arg)
+ FILE *fp;
+ const char *fmt;
+ va_list arg;
+{
+ boolean fatal = false;
- break;
- case 'I':
+ while (*fmt != '\0')
+ {
+ while (*fmt != '%' && *fmt != '\0')
{
- lang_input_statement_type *i =
- va_arg(arg,lang_input_statement_type *);
-
- fprintf(stderr,"%s", i->local_sym_name);
- }
- break;
- case 'S':
- /* Print source script file and line number */
-
- if (ldlex_input_stack) {
- extern unsigned int lineno;
- if (ldfile_input_filename == (char *)NULL) {
- fprintf(stderr,"command line");
- }
- else {
- fprintf(stderr,"%s:%u", ldfile_input_filename, lineno );
- }
- }
- else {
- int ch;
- int n = 0;
- fprintf(stderr,"command (just before \"");
- ch = lex_input();
- while (ch != 0 && n < 10) {
- fprintf(stderr, "%c", ch);
- ch = lex_input();
- n++;
- }
- fprintf(stderr,"\")");
-
+ putc (*fmt, fp);
+ fmt++;
}
- break;
- case 'C':
+
+ if (*fmt == '%')
{
- CONST char *filename;
- CONST char *functionname;
- unsigned int linenumber;
- bfd *abfd = va_arg(arg, bfd *);
- asection *section = va_arg(arg, asection *);
- asymbol **symbols = va_arg(arg, asymbol **);
- bfd_vma offset = va_arg(arg, bfd_vma);
-
- if (bfd_find_nearest_line(abfd,
- section,
- symbols,
- offset,
- &filename,
- &functionname,
- &linenumber))
+ fmt ++;
+ switch (*fmt++)
{
- if (filename == (char *)NULL)
- filename = abfd->filename;
- if (functionname != (char *)NULL)
- fprintf(stderr,"%s:%u: (%s)", filename, linenumber, functionname);
- else if (linenumber != 0)
- fprintf(stderr,"%s:%u", filename, linenumber);
+ default:
+ fprintf (fp,"%%%c", fmt[-1]);
+ break;
+
+ case '%':
+ /* literal % */
+ putc ('%', fp);
+ break;
+
+ case 'X':
+ /* no object output, fail return */
+ config.make_executable = false;
+ break;
+
+ case 'V':
+ /* hex bfd_vma */
+ {
+ bfd_vma value = va_arg (arg, bfd_vma);
+ fprintf_vma (fp, value);
+ }
+ break;
+
+ case 'v':
+ /* hex bfd_vma, no leading zeros */
+ {
+ char buf[100];
+ char *p = buf;
+ bfd_vma value = va_arg (arg, bfd_vma);
+ sprintf_vma (p, value);
+ while (*p == '0')
+ p++;
+ if (!*p)
+ p--;
+ fputs (p, fp);
+ }
+ break;
+
+ case 'W':
+ /* hex bfd_vma with 0x with no leading zeroes taking up
+ 8 spaces. */
+ {
+ char buf[100];
+ bfd_vma value;
+ char *p;
+ int len;
+
+ value = va_arg (arg, bfd_vma);
+ sprintf_vma (buf, value);
+ for (p = buf; *p == '0'; ++p)
+ ;
+ if (*p == '\0')
+ --p;
+ len = strlen (p);
+ while (len < 8)
+ {
+ putc (' ', fp);
+ ++len;
+ }
+ fprintf (fp, "0x%s", p);
+ }
+ break;
+
+ case 'T':
+ /* Symbol name. */
+ {
+ const char *name = va_arg (arg, const char *);
+
+ if (name == (const char *) NULL || *name == 0)
+ fprintf (fp, _("no symbol"));
+ else if (! demangling)
+ fprintf (fp, "%s", name);
else
- fprintf(stderr,"%s", filename);
-
+ {
+ char *demangled;
+
+ demangled = demangle (name);
+ fprintf (fp, "%s", demangled);
+ free (demangled);
+ }
+ }
+ break;
+
+ case 'B':
+ /* filename from a bfd */
+ {
+ bfd *abfd = va_arg (arg, bfd *);
+ if (abfd->my_archive)
+ fprintf (fp, "%s(%s)", abfd->my_archive->filename,
+ abfd->filename);
+ else
+ fprintf (fp, "%s", abfd->filename);
+ }
+ break;
+
+ case 'F':
+ /* error is fatal */
+ fatal = true;
+ break;
+
+ case 'P':
+ /* print program name */
+ fprintf (fp, "%s", program_name);
+ break;
+
+ case 'E':
+ /* current bfd error or errno */
+ fprintf (fp, bfd_errmsg (bfd_get_error ()));
+ break;
+
+ case 'I':
+ /* filename from a lang_input_statement_type */
+ {
+ lang_input_statement_type *i;
+
+ i = va_arg (arg, lang_input_statement_type *);
+ if (bfd_my_archive (i->the_bfd) != NULL)
+ fprintf (fp, "(%s)",
+ bfd_get_filename (bfd_my_archive (i->the_bfd)));
+ fprintf (fp, "%s", i->local_sym_name);
+ if (bfd_my_archive (i->the_bfd) == NULL
+ && strcmp (i->local_sym_name, i->filename) != 0)
+ fprintf (fp, " (%s)", i->filename);
+ }
+ break;
+
+ case 'S':
+ /* print script file and linenumber */
+ if (parsing_defsym)
+ fprintf (fp, "--defsym %s", lex_string);
+ else if (ldfile_input_filename != NULL)
+ fprintf (fp, "%s:%u", ldfile_input_filename, lineno);
+ else
+ fprintf (fp, _("built in linker script:%u"), lineno);
+ break;
+
+ case 'R':
+ /* Print all that's interesting about a relent */
+ {
+ arelent *relent = va_arg (arg, arelent *);
+
+ lfinfo (fp, "%s+0x%v (type %s)",
+ (*(relent->sym_ptr_ptr))->name,
+ relent->addend,
+ relent->howto->name);
+ }
+ break;
+
+ case 'C':
+ case 'D':
+ case 'G':
+ /* Clever filename:linenumber with function name if possible,
+ or section name as a last resort. The arguments are a BFD,
+ a section, and an offset. */
+ {
+ static bfd *last_bfd;
+ static char *last_file = NULL;
+ static char *last_function = NULL;
+ bfd *abfd;
+ asection *section;
+ bfd_vma offset;
+ lang_input_statement_type *entry;
+ asymbol **asymbols;
+ const char *filename;
+ const char *functionname;
+ unsigned int linenumber;
+ boolean discard_last;
+
+ abfd = va_arg (arg, bfd *);
+ section = va_arg (arg, asection *);
+ offset = va_arg (arg, bfd_vma);
+
+ entry = (lang_input_statement_type *) abfd->usrdata;
+ if (entry != (lang_input_statement_type *) NULL
+ && entry->asymbols != (asymbol **) NULL)
+ asymbols = entry->asymbols;
+ else
+ {
+ long symsize;
+ long symbol_count;
+
+ symsize = bfd_get_symtab_upper_bound (abfd);
+ if (symsize < 0)
+ einfo (_("%B%F: could not read symbols\n"), abfd);
+ asymbols = (asymbol **) xmalloc (symsize);
+ symbol_count = bfd_canonicalize_symtab (abfd, asymbols);
+ if (symbol_count < 0)
+ einfo (_("%B%F: could not read symbols\n"), abfd);
+ if (entry != (lang_input_statement_type *) NULL)
+ {
+ entry->asymbols = asymbols;
+ entry->symbol_count = symbol_count;
+ }
+ }
+
+ discard_last = true;
+ if (bfd_find_nearest_line (abfd, section, asymbols, offset,
+ &filename, &functionname,
+ &linenumber))
+ {
+ if (functionname != NULL && fmt[-1] == 'G')
+ {
+ lfinfo (fp, "%B:", abfd);
+ if (filename != NULL
+ && strcmp (filename, bfd_get_filename (abfd)) != 0)
+ fprintf (fp, "%s:", filename);
+ lfinfo (fp, "%T", functionname);
+ }
+ else if (functionname != NULL && fmt[-1] == 'C')
+ {
+ if (filename == (char *) NULL)
+ filename = abfd->filename;
+
+ if (last_bfd == NULL
+ || last_file == NULL
+ || last_function == NULL
+ || last_bfd != abfd
+ || strcmp (last_file, filename) != 0
+ || strcmp (last_function, functionname) != 0)
+ {
+ /* We use abfd->filename in this initial line,
+ in case filename is a .h file or something
+ similarly unhelpful. */
+ lfinfo (fp, _("%B: In function `%T':\n"),
+ abfd, functionname);
+
+ last_bfd = abfd;
+ if (last_file != NULL)
+ free (last_file);
+ last_file = buystring (filename);
+ if (last_function != NULL)
+ free (last_function);
+ last_function = buystring (functionname);
+ }
+ discard_last = false;
+ if (linenumber != 0)
+ fprintf (fp, "%s:%u", filename, linenumber);
+ else
+ lfinfo (fp, "%s(%s+0x%v)", filename, section->name,
+ offset);
+ }
+ else if (filename == NULL
+ || strcmp (filename, abfd->filename) == 0)
+ {
+ lfinfo (fp, "%B(%s+0x%v)", abfd, section->name,
+ offset);
+ if (linenumber != 0)
+ lfinfo (fp, ":%u", linenumber);
+ }
+ else if (linenumber != 0)
+ lfinfo (fp, "%B:%s:%u", abfd, filename, linenumber);
+ else
+ lfinfo (fp, "%B(%s+0x%v):%s", abfd, section->name,
+ offset, filename);
+ }
+ else
+ lfinfo (fp, "%B(%s+0x%v)", abfd, section->name, offset);
+
+ if (discard_last)
+ {
+ last_bfd = NULL;
+ if (last_file != NULL)
+ {
+ free (last_file);
+ last_file = NULL;
+ }
+ if (last_function != NULL)
+ {
+ free (last_function);
+ last_function = NULL;
+ }
+ }
+ }
+ break;
+
+ case 's':
+ /* arbitrary string, like printf */
+ fprintf (fp, "%s", va_arg (arg, char *));
+ break;
+
+ case 'd':
+ /* integer, like printf */
+ fprintf (fp, "%d", va_arg (arg, int));
+ break;
+
+ case 'u':
+ /* unsigned integer, like printf */
+ fprintf (fp, "%u", va_arg (arg, unsigned int));
+ break;
}
- else {
- fprintf(stderr,"%s", abfd->filename);
- }
}
- break;
-
- case 's':
- fprintf(stderr,"%s", va_arg(arg, char *));
- break;
- case 'd':
- fprintf(stderr,"%d", va_arg(arg, int));
- break;
- default:
- fprintf(stderr,"%s", va_arg(arg, char *));
- break;
- }
}
- }
- if (fatal == true) {
- extern char *output_filename;
- if (output_filename)
- unlink(output_filename);
- exit(1);
- }
- va_end(arg);
+
+ if (fatal == true)
+ xexit(1);
}
+/* Format info message and print on stdout. */
-void
-info_assert(file, line)
-char *file;
-unsigned int line;
+/* (You would think this should be called just "info", but then you
+ would hosed by LynxOS, which defines that name in its libc.) */
+
+void
+#if USE_STDARG
+info_msg (const char *fmt, ...)
+#else
+info_msg (va_alist)
+ va_dcl
+#endif
{
- info("%F%P internal error %s %d\n", file,line);
+ va_list arg;
+
+#if ! USE_STDARG
+ const char *fmt;
+
+ va_start (arg);
+ fmt = va_arg (arg, const char *);
+#else
+ va_start (arg, fmt);
+#endif
+
+ vfinfo (stdout, fmt, arg);
+ va_end (arg);
}
-/* Return a newly-allocated string
- whose contents concatenate those of S1, S2, S3. */
+/* ('e' for error.) Format info message and print on stderr. */
+
+void
+#if USE_STDARG
+einfo (const char *fmt, ...)
+#else
+einfo (va_alist)
+ va_dcl
+#endif
+{
+ va_list arg;
+
+#if ! USE_STDARG
+ const char *fmt;
+
+ va_start (arg);
+ fmt = va_arg (arg, const char *);
+#else
+ va_start (arg, fmt);
+#endif
+
+ vfinfo (stderr, fmt, arg);
+ va_end (arg);
+}
+
+void
+info_assert (file, line)
+ const char *file;
+ unsigned int line;
+{
+ einfo (_("%F%P: internal error %s %d\n"), file, line);
+}
char *
-DEFUN(concat, (s1, s2, s3),
- CONST char *s1 AND
- CONST char *s2 AND
- CONST char *s3)
+buystring (x)
+ CONST char *CONST x;
{
- size_t len1 = strlen (s1);
- size_t len2 = strlen (s2);
- size_t len3 = strlen (s3);
- char *result = ldmalloc (len1 + len2 + len3 + 1);
-
- if (len1 != 0)
- memcpy(result, s1, len1);
- if (len2 != 0)
- memcpy(result+len1, s2, len2);
- if (len3 != 0)
- memcpy(result+len1+len2, s2, len3);
- *(result + len1 + len2 + len3) = 0;
-
- return result;
+ size_t l = strlen(x)+1;
+ char *r = xmalloc(l);
+ memcpy(r, x,l);
+ return r;
}
+/* ('m' for map) Format info message and print on map. */
+void
+#if USE_STDARG
+minfo (const char *fmt, ...)
+#else
+minfo (va_alist)
+ va_dcl
+#endif
+{
+ va_list arg;
+
+#if ! USE_STDARG
+ const char *fmt;
+ va_start (arg);
+ fmt = va_arg (arg, const char *);
+#else
+ va_start (arg, fmt);
+#endif
+
+ vfinfo (config.map_file, fmt, arg);
+ va_end (arg);
+}
-char *ldmalloc (size)
-size_t size;
+void
+#if USE_STDARG
+lfinfo (FILE *file, const char *fmt, ...)
+#else
+lfinfo (va_alist)
+ va_dcl
+#endif
{
- char * result = malloc (size);
+ va_list arg;
+
+#if ! USE_STDARG
+ FILE *file;
+ const char *fmt;
+
+ va_start (arg);
+ file = va_arg (arg, FILE *);
+ fmt = va_arg (arg, const char *);
+#else
+ va_start (arg, fmt);
+#endif
- if (result == (char *)NULL && size != 0)
- info("%F%P virtual memory exhausted\n");
+ vfinfo (file, fmt, arg);
+ va_end (arg);
+}
+\f
+/* Functions to print the link map. */
- return result;
-}
+void
+print_space ()
+{
+ fprintf (config.map_file, " ");
+}
+void
+print_nl ()
+{
+ fprintf (config.map_file, "\n");
+}
+/* A more or less friendly abort message. In ld.h abort is defined to
+ call this function. */
-char *DEFUN(buystring,(x),
- CONST char *CONST x)
+void
+ld_abort (file, line, fn)
+ const char *file;
+ int line;
+ const char *fn;
{
- size_t l = strlen(x)+1;
- char *r = ldmalloc(l);
- memcpy(r, x,l);
- return r;
+ if (fn != NULL)
+ einfo (_("%P: internal error: aborting at %s line %d in %s\n"),
+ file, line, fn);
+ else
+ einfo (_("%P: internal error: aborting at %s line %d\n"),
+ file, line);
+ einfo (_("%P%F: please report this bug\n"));
+ xexit (1);
}