/* ldmisc.c
- Copyright (C) 1991 Free Software Foundation, Inc.
-
+ Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support.
This file is part of GLD, the Gnu Linker.
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. */
+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 <demangle.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 */
-
-extern char *program_name;
-
-extern FILE *ldlex_input_stack;
-extern char *ldfile_input_filename;
-extern ld_config_type config;
-
+#include "ldmain.h"
+#include "ldfile.h"
-extern int errno;
-extern int sys_nerr;
-extern char *sys_errlist[];
+#if USE_STDARG
+static void finfo PARAMS ((FILE *, const char *, ...));
+#else
/* VARARGS*/
static void finfo ();
+#endif
/*
+ %% 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
%v hex bfd_vma, no leading zeros
- %C Clever filename:linenumber
+ %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
*/
-extern bfd *output_bfd;
-static char *
-demangle(string, remove_underscore)
-char *string;
-int remove_underscore;
+char *
+demangle (string)
+ const char *string;
{
char *res;
- if (remove_underscore && output_bfd)
- {
- if (bfd_get_symbol_leading_char(output_bfd) == string[0])
- string++;
- }
- /* Note that there's a memory leak here, we keep buying memory
- for demangled names, and never free. But if you have so many
- errors that you run out of VM with the error messages, then
- there's something up */
- res = cplus_demangle(string, DMGL_ANSI|DMGL_PARAMS);
- return res ? res : string;
+
+ if (output_bfd != NULL
+ && bfd_get_symbol_leading_char (output_bfd) == string[0])
+ ++string;
+
+ /* This is a hack for better error reporting on XCOFF. */
+ if (string[0] == '.')
+ ++string;
+
+ res = cplus_demangle (string, DMGL_ANSI | DMGL_PARAMS);
+ return res ? res : xstrdup (string);
}
static void
-vfinfo(fp, fmt, arg)
+vfinfo (fp, fmt, arg)
FILE *fp;
- char *fmt;
+ const char *fmt;
va_list arg;
{
boolean fatal = false;
- while (*fmt)
- {
- while (*fmt != '%' && *fmt != '\0')
+ while (*fmt != '\0')
{
- putc(*fmt, fp);
- fmt++;
- }
-
- if (*fmt == '%')
- {
- fmt ++;
- switch (*fmt++)
- {
- case 'X':
- config.make_executable = false;
- break;
-
- case 'V':
+ while (*fmt != '%' && *fmt != '\0')
{
- bfd_vma value = va_arg(arg, bfd_vma);
- fprintf_vma(fp, value);
+ putc (*fmt, fp);
+ fmt++;
}
- break;
- case 'v':
+ if (*fmt == '%')
{
- 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 'T':
- {
- asymbol *symbol = va_arg(arg, asymbol *);
- if (symbol)
- {
- asection *section = symbol->section;
- char *cplusname = demangle(symbol->name, 1);
- CONST char *section_name = section->name;
- if (section != &bfd_und_section)
- {
- fprintf(fp,"%s (%s)", cplusname, section_name);
- }
- else
- {
- fprintf(fp,"%s", cplusname);
- }
- }
- else
- {
- fprintf(fp,"no symbol");
- }
- }
- break;
-
- case 'B':
- {
- 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':
- fatal = true;
- break;
-
- case 'P':
- fprintf(fp,"%s", program_name);
- break;
-
- case 'E':
- /* Replace with the most recent errno explanation */
- fprintf(fp, bfd_errmsg(bfd_error));
- break;
-
- case 'I':
- {
- lang_input_statement_type *i =
- va_arg(arg,lang_input_statement_type *);
+ fmt ++;
+ switch (*fmt++)
+ {
+ 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 'T':
+ /* Symbol name. */
+ {
+ const char *name = va_arg (arg, const char *);
+
+ if (name == (const char *) NULL)
+ fprintf (fp, "no symbol");
+ else
+ {
+ 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 *);
- fprintf(fp,"%s", i->local_sym_name);
- }
- break;
-
- case 'S':
- /* Print source script file and line number */
- {
- extern unsigned int lineno;
- if (ldfile_input_filename == (char *)NULL) {
- fprintf(fp,"command line");
- }
- else {
- fprintf(fp,"%s:%u", ldfile_input_filename, lineno );
- }
- }
- break;
-
- case 'R':
- /* Print all that's interesting about a relent */
- {
- arelent *relent = va_arg(arg, arelent *);
+ finfo (fp, "%s+0x%v (type %s)",
+ (*(relent->sym_ptr_ptr))->name,
+ relent->addend,
+ relent->howto->name);
+ }
+ break;
- finfo (fp, "%s+0x%v (type %s)",
- (*(relent->sym_ptr_ptr))->name,
- relent->addend,
- relent->howto->name);
- }
- break;
-
- case 'C':
- {
- CONST char *filename;
- CONST char *functionname;
- char *cplus_name;
-
- 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))
- {
- if (filename == (char *)NULL)
- filename = abfd->filename;
- if (functionname != (char *)NULL)
- {
- cplus_name = demangle(functionname, 1);
- fprintf(fp,"%s:%u: (%s)", filename, linenumber, cplus_name);
- }
-
- else if (linenumber != 0)
- fprintf(fp,"%s:%u", filename, linenumber);
- else
- finfo (fp, "%s(%s+0x%v)", filename, section->name, offset);
-
- }
- else
- finfo (fp, "%s(%s+0x%v)", abfd->filename, section->name, offset);
- }
- 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')
+ {
+ finfo (fp, "%B:", abfd);
+ if (filename != NULL
+ && strcmp (filename, bfd_get_filename (abfd)) != 0)
+ fprintf (fp, "%s:", filename);
+ finfo (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. */
+ finfo (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
+ finfo (fp, "%s(%s+0x%v)", filename, section->name,
+ offset);
+ }
+ else if (filename == NULL
+ || strcmp (filename, abfd->filename) == 0)
+ {
+ finfo (fp, "%B(%s+0x%v)", abfd, section->name, offset);
+ if (linenumber != 0)
+ finfo (fp, ":%u", linenumber);
+ }
+ else if (linenumber != 0)
+ finfo (fp, "%B:%s:%u", abfd, filename, linenumber);
+ else
+ finfo (fp, "%B(%s+0x%v):%s", abfd, section->name, offset,
+ filename);
+ }
+ else
+ finfo (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':
- fprintf(fp,"%s", va_arg(arg, char *));
- break;
-
- case 'd':
- fprintf(fp,"%d", va_arg(arg, int));
- break;
-
- default:
- fprintf(fp,"%s", va_arg(arg, char *));
- 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;
+ }
+ }
}
- }
if (fatal == true)
- {
- extern char *output_filename;
- if (output_filename)
- {
- char *new = malloc(strlen(output_filename)+2);
- extern bfd *output_bfd;
-
- strcpy(new, output_filename);
- if (output_bfd && output_bfd->iostream)
- fclose((FILE *)(output_bfd->iostream));
- unlink(new);
- }
- exit(1);
- }
+ xexit(1);
}
/* Format info message and print on stdout. */
-void info(va_alist)
-va_dcl
+/* (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
{
- char *fmt;
va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(stdout, fmt, arg);
- va_end(arg);
-}
-/* ('e' for error.) Format info message and print on stderr. */
+#if ! USE_STDARG
+ const char *fmt;
-void einfo(va_alist)
-va_dcl
-{
- char *fmt;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(stderr, fmt, arg);
- va_end(arg);
+ va_start (arg);
+ fmt = va_arg (arg, const char *);
+#else
+ va_start (arg, fmt);
+#endif
+
+ vfinfo (stdout, fmt, arg);
+ va_end (arg);
}
-/* Warn about a symbol NEWSYM being multiply defined with another symbol OLDSYM.
- MESSAGE1 and MESSAGE2 should look something like:
- "%C: warning: multiple commons of `%s'\n"
- "%C: warning: previous common here\n" */
+/* ('e' for error.) Format info message and print on stderr. */
void
-multiple_warn (message1, newsym, message2, oldsym)
- char *message1;
- asymbol *newsym;
- char *message2;
- asymbol *oldsym;
+#if USE_STDARG
+einfo (const char *fmt, ...)
+#else
+einfo (va_alist)
+ va_dcl
+#endif
{
- lang_input_statement_type *stat;
- asymbol **stat_symbols;
-
- stat = (lang_input_statement_type *) bfd_asymbol_bfd (newsym)->usrdata;
- stat_symbols = stat ? stat->asymbols : 0;
+ va_list arg;
- einfo (message1,
- bfd_asymbol_bfd (newsym), newsym->section, stat_symbols, newsym->value,
- demangle (newsym->name, 1));
+#if ! USE_STDARG
+ const char *fmt;
- stat = (lang_input_statement_type *) bfd_asymbol_bfd (oldsym)->usrdata;
- stat_symbols = stat ? stat->asymbols : 0;
+ va_start (arg);
+ fmt = va_arg (arg, const char *);
+#else
+ va_start (arg, fmt);
+#endif
- einfo (message2,
- bfd_asymbol_bfd (oldsym), oldsym->section, stat_symbols, oldsym->value);
+ vfinfo (stderr, fmt, arg);
+ va_end (arg);
}
void
-info_assert(file, line)
- char *file;
+info_assert (file, line)
+ const char *file;
unsigned int line;
{
- einfo("%F%P internal error %s %d\n", file,line);
-}
-
-/* Return a newly-allocated string
- whose contents concatenate those of S1, S2, S3. */
-
-char *
-concat (s1, s2, s3)
- CONST char *s1;
- CONST char *s2;
- CONST char *s3;
-{
- 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;
-}
-
-
-PTR
-ldmalloc (size)
- size_t size;
-{
- PTR result = malloc ((int)size);
-
- if (result == (char *)NULL && size != 0)
- einfo("%F%P virtual memory exhausted\n");
-
- return result;
-}
-
-PTR
-xmalloc (size)
- int size;
-{
-return ldmalloc(size);
+ einfo ("%F%P: internal error %s %d\n", file, line);
}
-
-PTR
-ldrealloc (ptr, size)
- PTR ptr;
- size_t size;
-{
- PTR result = realloc (ptr, (int)size);
-
- if (result == (char *)NULL && size != 0)
- einfo("%F%P virtual memory exhausted\n");
-
- return result;
-}
-
-PTR
-xrealloc (ptr, size)
- PTR ptr;
- size_t size;
-{
-return ldrealloc(ptr, size);
-}
-
-
char *
buystring (x)
CONST char *CONST x;
{
size_t l = strlen(x)+1;
- char *r = ldmalloc(l);
+ char *r = xmalloc(l);
memcpy(r, x,l);
return r;
}
-
/* ('m' for map) Format info message and print on map. */
-void minfo(va_alist)
-va_dcl
+void
+#if USE_STDARG
+minfo (const char *fmt, ...)
+#else
+minfo (va_alist)
+ va_dcl
+#endif
{
- char *fmt;
va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(config.map_file, fmt, arg);
- va_end(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);
+}
static void
+#if USE_STDARG
+finfo (FILE *file, const char *fmt, ...)
+#else
finfo (va_alist)
va_dcl
+#endif
{
- char *fmt;
- FILE *file;
va_list arg;
+
+#if ! USE_STDARG
+ FILE *file;
+ const char *fmt;
+
va_start (arg);
file = va_arg (arg, FILE *);
- fmt = va_arg (arg, char *);
+ fmt = va_arg (arg, const char *);
+#else
+ va_start (arg, fmt);
+#endif
+
vfinfo (file, fmt, arg);
va_end (arg);
}
-
-
-
-/*----------------------------------------------------------------------
- Functions to print the link map
- */
+\f
+/* Functions to print the link map. */
void
print_space ()
{
- fprintf(config.map_file, " ");
+ fprintf (config.map_file, " ");
}
+
void
print_nl ()
{
- fprintf(config.map_file, "\n");
+ fprintf (config.map_file, "\n");
}
+
void
print_address (value)
bfd_vma value;
{
- fprintf_vma(config.map_file, value);
+ fprintf_vma (config.map_file, value);
}