7d6439d974
* ldmain.c (add_keepsyms_file): Add \n at end of einfo calls. (constructor_callback): Likewise. * ldmisc.c (vfinfo): Likewise. * ldwrite.c (build_link_order): Likewise.
459 lines
10 KiB
C
459 lines
10 KiB
C
/* ldmisc.c
|
|
Copyright (C) 1991, 92, 93, 94 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 2, or (at your option)
|
|
any later version.
|
|
|
|
GLD 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 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 <demangle.h>
|
|
/* this collection of routines wants to use the Unix style varargs
|
|
use special abbreviated portion of varargs.h */
|
|
#ifdef WINDOWS_NT
|
|
/* Since macro __STDC__ is defined, the compiler will raise and error if
|
|
VARARGS.H from mstools\h is included. Since we only need a portion of
|
|
this header file, it has been incorporated into local header file
|
|
xvarargs.h */
|
|
#include "xvarargs.h"
|
|
#else
|
|
#include <varargs.h>
|
|
#endif
|
|
|
|
#include "ld.h"
|
|
#include "ldmisc.h"
|
|
#include "ldexp.h"
|
|
#include "ldlang.h"
|
|
#include "ldgram.h"
|
|
#include "ldlex.h"
|
|
#include "ldmain.h"
|
|
#include "ldfile.h"
|
|
|
|
|
|
/* VARARGS*/
|
|
static void finfo ();
|
|
static const char *demangle PARAMS ((const char *string,
|
|
int remove_underscore));
|
|
|
|
/*
|
|
%% literal %
|
|
%F error is fatal
|
|
%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 name
|
|
%X no object output, fail return
|
|
%V hex bfd_vma
|
|
%v hex bfd_vma, no leading zeros
|
|
%C clever filename:linenumber with function
|
|
%D like %C, but no function name
|
|
%R info about a relent
|
|
%s arbitrary string, like printf
|
|
%d integer, like printf
|
|
%u integer, like printf
|
|
*/
|
|
|
|
static const char *
|
|
demangle (string, remove_underscore)
|
|
const char *string;
|
|
int remove_underscore;
|
|
{
|
|
const 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;
|
|
}
|
|
|
|
static void
|
|
vfinfo(fp, fmt, arg)
|
|
FILE *fp;
|
|
char *fmt;
|
|
va_list arg;
|
|
{
|
|
boolean fatal = false;
|
|
|
|
while (*fmt)
|
|
{
|
|
while (*fmt != '%' && *fmt != '\0')
|
|
{
|
|
putc(*fmt, fp);
|
|
fmt++;
|
|
}
|
|
|
|
if (*fmt == '%')
|
|
{
|
|
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, "%s", demangle (name, 1));
|
|
else
|
|
fprintf (fp, "no symbol");
|
|
}
|
|
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 =
|
|
va_arg(arg,lang_input_statement_type *);
|
|
|
|
if (i->the_bfd->my_archive)
|
|
fprintf(fp, "(%s)", i->the_bfd->my_archive->filename);
|
|
fprintf(fp,"%s", i->local_sym_name);
|
|
}
|
|
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 *);
|
|
|
|
finfo (fp, "%s+0x%v (type %s)",
|
|
(*(relent->sym_ptr_ptr))->name,
|
|
relent->addend,
|
|
relent->howto->name);
|
|
}
|
|
break;
|
|
|
|
case 'C':
|
|
case 'D':
|
|
/* 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] == '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 `%s':\n",
|
|
abfd, demangle (functionname, 1));
|
|
|
|
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':
|
|
/* 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)
|
|
xexit(1);
|
|
}
|
|
|
|
/* Format info message and print on stdout. */
|
|
|
|
/* (You would think this should be called just "info", but then you would
|
|
hosed by LynxOS, which defines that name in its libc.) */
|
|
|
|
void info_msg(va_alist)
|
|
va_dcl
|
|
{
|
|
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. */
|
|
|
|
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);
|
|
}
|
|
|
|
void
|
|
info_assert(file, line)
|
|
char *file;
|
|
unsigned int line;
|
|
{
|
|
einfo("%F%P: internal error %s %d\n", file,line);
|
|
}
|
|
|
|
char *
|
|
buystring (x)
|
|
CONST char *CONST x;
|
|
{
|
|
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 minfo(va_alist)
|
|
va_dcl
|
|
{
|
|
char *fmt;
|
|
va_list arg;
|
|
va_start(arg);
|
|
fmt = va_arg(arg, char *);
|
|
vfinfo(config.map_file, fmt, arg);
|
|
va_end(arg);
|
|
}
|
|
|
|
|
|
static void
|
|
finfo (va_alist)
|
|
va_dcl
|
|
{
|
|
char *fmt;
|
|
FILE *file;
|
|
va_list arg;
|
|
va_start (arg);
|
|
file = va_arg (arg, FILE *);
|
|
fmt = va_arg (arg, char *);
|
|
vfinfo (file, fmt, arg);
|
|
va_end (arg);
|
|
}
|
|
|
|
|
|
|
|
/*----------------------------------------------------------------------
|
|
Functions to print the link map
|
|
*/
|
|
|
|
void
|
|
print_space ()
|
|
{
|
|
fprintf(config.map_file, " ");
|
|
}
|
|
void
|
|
print_nl ()
|
|
{
|
|
fprintf(config.map_file, "\n");
|
|
}
|
|
void
|
|
print_address (value)
|
|
bfd_vma value;
|
|
{
|
|
fprintf_vma(config.map_file, value);
|
|
}
|