mirror of
https://github.com/darlinghq/darling-gdb.git
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1207 lines
32 KiB
C
1207 lines
32 KiB
C
/* dllwrap.c -- wrapper for DLLTOOL and GCC to generate PE style DLLs
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Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
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Free Software Foundation, Inc.
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Contributed by Mumit Khan (khan@xraylith.wisc.edu).
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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/* AIX requires this to be the first thing in the file. */
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#ifndef __GNUC__
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# ifdef _AIX
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#pragma alloca
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#endif
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#endif
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#include "sysdep.h"
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#include "bfd.h"
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#include "libiberty.h"
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#include "getopt.h"
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#include "dyn-string.h"
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#include "bucomm.h"
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#include <time.h>
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#include <sys/stat.h>
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#else /* ! HAVE_SYS_WAIT_H */
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#if ! defined (_WIN32) || defined (__CYGWIN32__)
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#ifndef WIFEXITED
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#define WIFEXITED(w) (((w)&0377) == 0)
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#endif
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#ifndef WIFSIGNALED
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#define WIFSIGNALED(w) (((w)&0377) != 0177 && ((w)&~0377) == 0)
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#endif
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#ifndef WTERMSIG
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#define WTERMSIG(w) ((w) & 0177)
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#endif
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#ifndef WEXITSTATUS
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#define WEXITSTATUS(w) (((w) >> 8) & 0377)
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#endif
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#else /* defined (_WIN32) && ! defined (__CYGWIN32__) */
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#ifndef WIFEXITED
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#define WIFEXITED(w) (((w) & 0xff) == 0)
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#endif
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#ifndef WIFSIGNALED
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#define WIFSIGNALED(w) (((w) & 0xff) != 0 && ((w) & 0xff) != 0x7f)
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#endif
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#ifndef WTERMSIG
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#define WTERMSIG(w) ((w) & 0x7f)
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#endif
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#ifndef WEXITSTATUS
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#define WEXITSTATUS(w) (((w) & 0xff00) >> 8)
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#endif
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#endif /* defined (_WIN32) && ! defined (__CYGWIN32__) */
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#endif /* ! HAVE_SYS_WAIT_H */
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static char *driver_name = NULL;
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static char *cygwin_driver_flags =
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"-Wl,--dll -nostartfiles";
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static char *mingw32_driver_flags = "-mdll";
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static char *generic_driver_flags = "-Wl,--dll";
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static char *entry_point;
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static char *dlltool_name = NULL;
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static char *target = TARGET;
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typedef enum {
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UNKNOWN_TARGET,
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CYGWIN_TARGET,
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MINGW_TARGET
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}
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target_type;
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static target_type which_target = UNKNOWN_TARGET;
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static int dontdeltemps = 0;
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static int dry_run = 0;
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static char *prog_name;
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static int verbose = 0;
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static char *dll_file_name;
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static char *dll_name;
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static char *base_file_name;
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static char *exp_file_name;
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static char *def_file_name;
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static int delete_base_file = 1;
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static int delete_exp_file = 1;
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static int delete_def_file = 1;
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static int run (const char *, char *);
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static char *mybasename (const char *);
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static int strhash (const char *);
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static void usage (FILE *, int);
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static void display (const char *, va_list) ATTRIBUTE_PRINTF(1,0);
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static void inform (const char *, ...) ATTRIBUTE_PRINTF_1;
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static void warn (const char *, ...) ATTRIBUTE_PRINTF_1;
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static char *look_for_prog (const char *, const char *, int);
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static char *deduce_name (const char *);
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static void delete_temp_files (void);
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static void cleanup_and_exit (int);
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/**********************************************************************/
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/* Please keep the following 4 routines in sync with dlltool.c:
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display ()
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inform ()
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look_for_prog ()
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deduce_name ()
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It's not worth the hassle to break these out since dllwrap will
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(hopefully) soon be retired in favor of `ld --shared. */
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static void
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display (const char * message, va_list args)
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{
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if (prog_name != NULL)
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fprintf (stderr, "%s: ", prog_name);
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vfprintf (stderr, message, args);
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fputc ('\n', stderr);
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}
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static void
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inform VPARAMS ((const char *message, ...))
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{
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VA_OPEN (args, message);
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VA_FIXEDARG (args, const char *, message);
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if (!verbose)
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return;
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display (message, args);
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VA_CLOSE (args);
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}
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static void
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warn VPARAMS ((const char *format, ...))
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{
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VA_OPEN (args, format);
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VA_FIXEDARG (args, const char *, format);
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display (format, args);
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VA_CLOSE (args);
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}
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/* Look for the program formed by concatenating PROG_NAME and the
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string running from PREFIX to END_PREFIX. If the concatenated
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string contains a '/', try appending EXECUTABLE_SUFFIX if it is
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appropriate. */
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static char *
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look_for_prog (const char *prog_name, const char *prefix, int end_prefix)
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{
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struct stat s;
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char *cmd;
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cmd = xmalloc (strlen (prefix)
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+ strlen (prog_name)
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#ifdef HAVE_EXECUTABLE_SUFFIX
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+ strlen (EXECUTABLE_SUFFIX)
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#endif
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+ 10);
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strcpy (cmd, prefix);
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sprintf (cmd + end_prefix, "%s", prog_name);
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if (strchr (cmd, '/') != NULL)
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{
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int found;
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found = (stat (cmd, &s) == 0
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#ifdef HAVE_EXECUTABLE_SUFFIX
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|| stat (strcat (cmd, EXECUTABLE_SUFFIX), &s) == 0
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#endif
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);
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if (! found)
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{
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/* xgettext:c-format */
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inform (_("Tried file: %s"), cmd);
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free (cmd);
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return NULL;
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}
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}
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/* xgettext:c-format */
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inform (_("Using file: %s"), cmd);
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return cmd;
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}
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/* Deduce the name of the program we are want to invoke.
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PROG_NAME is the basic name of the program we want to run,
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eg "as" or "ld". The catch is that we might want actually
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run "i386-pe-as" or "ppc-pe-ld".
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If argv[0] contains the full path, then try to find the program
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in the same place, with and then without a target-like prefix.
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Given, argv[0] = /usr/local/bin/i586-cygwin32-dlltool,
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deduce_name("as") uses the following search order:
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/usr/local/bin/i586-cygwin32-as
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/usr/local/bin/as
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as
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If there's an EXECUTABLE_SUFFIX, it'll use that as well; for each
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name, it'll try without and then with EXECUTABLE_SUFFIX.
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Given, argv[0] = i586-cygwin32-dlltool, it will not even try "as"
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as the fallback, but rather return i586-cygwin32-as.
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Oh, and given, argv[0] = dlltool, it'll return "as".
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Returns a dynamically allocated string. */
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static char *
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deduce_name (const char * name)
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{
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char *cmd;
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const char *dash;
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const char *slash;
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const char *cp;
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dash = NULL;
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slash = NULL;
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for (cp = prog_name; *cp != '\0'; ++cp)
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{
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if (*cp == '-')
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dash = cp;
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if (
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#if defined(__DJGPP__) || defined (__CYGWIN__) || defined(__WIN32__)
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*cp == ':' || *cp == '\\' ||
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#endif
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*cp == '/')
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{
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slash = cp;
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dash = NULL;
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}
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}
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cmd = NULL;
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if (dash != NULL)
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/* First, try looking for a prefixed NAME in the
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PROG_NAME directory, with the same prefix as PROG_NAME. */
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cmd = look_for_prog (name, prog_name, dash - prog_name + 1);
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if (slash != NULL && cmd == NULL)
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/* Next, try looking for a NAME in the same directory as
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that of this program. */
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cmd = look_for_prog (name, prog_name, slash - prog_name + 1);
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if (cmd == NULL)
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/* Just return NAME as is. */
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cmd = xstrdup (name);
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return cmd;
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}
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static void
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delete_temp_files (void)
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{
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if (delete_base_file && base_file_name)
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{
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if (verbose)
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{
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if (dontdeltemps)
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warn (_("Keeping temporary base file %s"), base_file_name);
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else
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warn (_("Deleting temporary base file %s"), base_file_name);
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}
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if (! dontdeltemps)
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{
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unlink (base_file_name);
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free (base_file_name);
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}
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}
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if (delete_exp_file && exp_file_name)
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{
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if (verbose)
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{
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if (dontdeltemps)
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warn (_("Keeping temporary exp file %s"), exp_file_name);
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else
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warn (_("Deleting temporary exp file %s"), exp_file_name);
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}
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if (! dontdeltemps)
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{
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unlink (exp_file_name);
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free (exp_file_name);
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}
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}
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if (delete_def_file && def_file_name)
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{
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if (verbose)
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{
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if (dontdeltemps)
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warn (_("Keeping temporary def file %s"), def_file_name);
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else
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warn (_("Deleting temporary def file %s"), def_file_name);
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}
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if (! dontdeltemps)
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{
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unlink (def_file_name);
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free (def_file_name);
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}
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}
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}
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static void
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cleanup_and_exit (int status)
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{
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delete_temp_files ();
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exit (status);
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}
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static int
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run (const char *what, char *args)
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{
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char *s;
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int pid, wait_status, retcode;
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int i;
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const char **argv;
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char *errmsg_fmt, *errmsg_arg;
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char *temp_base = choose_temp_base ();
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int in_quote;
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char sep;
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if (verbose || dry_run)
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fprintf (stderr, "%s %s\n", what, args);
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/* Count the args */
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i = 0;
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for (s = args; *s; s++)
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if (*s == ' ')
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i++;
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i++;
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argv = alloca (sizeof (char *) * (i + 3));
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i = 0;
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argv[i++] = what;
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s = args;
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while (1)
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{
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while (*s == ' ' && *s != 0)
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s++;
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if (*s == 0)
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break;
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in_quote = (*s == '\'' || *s == '"');
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sep = (in_quote) ? *s++ : ' ';
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argv[i++] = s;
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while (*s != sep && *s != 0)
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s++;
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if (*s == 0)
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break;
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*s++ = 0;
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if (in_quote)
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s++;
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}
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argv[i++] = NULL;
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if (dry_run)
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return 0;
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pid = pexecute (argv[0], (char * const *) argv, prog_name, temp_base,
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&errmsg_fmt, &errmsg_arg, PEXECUTE_ONE | PEXECUTE_SEARCH);
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if (pid == -1)
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{
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int errno_val = errno;
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fprintf (stderr, "%s: ", prog_name);
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fprintf (stderr, errmsg_fmt, errmsg_arg);
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fprintf (stderr, ": %s\n", strerror (errno_val));
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return 1;
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}
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retcode = 0;
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pid = pwait (pid, &wait_status, 0);
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if (pid == -1)
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{
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warn ("wait: %s", strerror (errno));
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retcode = 1;
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}
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else if (WIFSIGNALED (wait_status))
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{
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warn (_("subprocess got fatal signal %d"), WTERMSIG (wait_status));
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retcode = 1;
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}
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else if (WIFEXITED (wait_status))
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{
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if (WEXITSTATUS (wait_status) != 0)
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{
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warn (_("%s exited with status %d"), what, WEXITSTATUS (wait_status));
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retcode = 1;
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}
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}
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else
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retcode = 1;
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return retcode;
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}
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static char *
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mybasename (const char *name)
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{
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const char *base = name;
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while (*name)
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{
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if (*name == '/' || *name == '\\')
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{
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base = name + 1;
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}
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++name;
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}
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return (char *) base;
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}
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static int
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strhash (const char *str)
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{
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const unsigned char *s;
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unsigned long hash;
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unsigned int c;
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unsigned int len;
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hash = 0;
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len = 0;
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s = (const unsigned char *) str;
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while ((c = *s++) != '\0')
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{
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hash += c + (c << 17);
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hash ^= hash >> 2;
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++len;
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}
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hash += len + (len << 17);
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hash ^= hash >> 2;
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return hash;
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}
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/**********************************************************************/
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static void
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usage (FILE *file, int status)
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{
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fprintf (file, _("Usage %s <option(s)> <object-file(s)>\n"), prog_name);
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fprintf (file, _(" Generic options:\n"));
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fprintf (file, _(" @<file> Read options from <file>\n"));
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fprintf (file, _(" --quiet, -q Work quietly\n"));
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fprintf (file, _(" --verbose, -v Verbose\n"));
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fprintf (file, _(" --version Print dllwrap version\n"));
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fprintf (file, _(" --implib <outname> Synonym for --output-lib\n"));
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fprintf (file, _(" Options for %s:\n"), prog_name);
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fprintf (file, _(" --driver-name <driver> Defaults to \"gcc\"\n"));
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fprintf (file, _(" --driver-flags <flags> Override default ld flags\n"));
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fprintf (file, _(" --dlltool-name <dlltool> Defaults to \"dlltool\"\n"));
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fprintf (file, _(" --entry <entry> Specify alternate DLL entry point\n"));
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fprintf (file, _(" --image-base <base> Specify image base address\n"));
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fprintf (file, _(" --target <machine> i386-cygwin32 or i386-mingw32\n"));
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fprintf (file, _(" --dry-run Show what needs to be run\n"));
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fprintf (file, _(" --mno-cygwin Create Mingw DLL\n"));
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fprintf (file, _(" Options passed to DLLTOOL:\n"));
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fprintf (file, _(" --machine <machine>\n"));
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fprintf (file, _(" --output-exp <outname> Generate export file.\n"));
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fprintf (file, _(" --output-lib <outname> Generate input library.\n"));
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fprintf (file, _(" --add-indirect Add dll indirects to export file.\n"));
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fprintf (file, _(" --dllname <name> Name of input dll to put into output lib.\n"));
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fprintf (file, _(" --def <deffile> Name input .def file\n"));
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fprintf (file, _(" --output-def <deffile> Name output .def file\n"));
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fprintf (file, _(" --export-all-symbols Export all symbols to .def\n"));
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fprintf (file, _(" --no-export-all-symbols Only export .drectve symbols\n"));
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fprintf (file, _(" --exclude-symbols <list> Exclude <list> from .def\n"));
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fprintf (file, _(" --no-default-excludes Zap default exclude symbols\n"));
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fprintf (file, _(" --base-file <basefile> Read linker generated base file\n"));
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fprintf (file, _(" --no-idata4 Don't generate idata$4 section\n"));
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fprintf (file, _(" --no-idata5 Don't generate idata$5 section\n"));
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fprintf (file, _(" -U Add underscores to .lib\n"));
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fprintf (file, _(" -k Kill @<n> from exported names\n"));
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fprintf (file, _(" --add-stdcall-alias Add aliases without @<n>\n"));
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fprintf (file, _(" --as <name> Use <name> for assembler\n"));
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fprintf (file, _(" --nodelete Keep temp files.\n"));
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fprintf (file, _(" Rest are passed unmodified to the language driver\n"));
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fprintf (file, "\n\n");
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if (REPORT_BUGS_TO[0] && status == 0)
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fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO);
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exit (status);
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}
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#define OPTION_START 149
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/* GENERIC options. */
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|
#define OPTION_QUIET (OPTION_START + 1)
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#define OPTION_VERBOSE (OPTION_QUIET + 1)
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#define OPTION_VERSION (OPTION_VERBOSE + 1)
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|
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/* DLLWRAP options. */
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|
#define OPTION_DRY_RUN (OPTION_VERSION + 1)
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#define OPTION_DRIVER_NAME (OPTION_DRY_RUN + 1)
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#define OPTION_DRIVER_FLAGS (OPTION_DRIVER_NAME + 1)
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#define OPTION_DLLTOOL_NAME (OPTION_DRIVER_FLAGS + 1)
|
|
#define OPTION_ENTRY (OPTION_DLLTOOL_NAME + 1)
|
|
#define OPTION_IMAGE_BASE (OPTION_ENTRY + 1)
|
|
#define OPTION_TARGET (OPTION_IMAGE_BASE + 1)
|
|
#define OPTION_MNO_CYGWIN (OPTION_TARGET + 1)
|
|
|
|
/* DLLTOOL options. */
|
|
#define OPTION_NODELETE (OPTION_MNO_CYGWIN + 1)
|
|
#define OPTION_DLLNAME (OPTION_NODELETE + 1)
|
|
#define OPTION_NO_IDATA4 (OPTION_DLLNAME + 1)
|
|
#define OPTION_NO_IDATA5 (OPTION_NO_IDATA4 + 1)
|
|
#define OPTION_OUTPUT_EXP (OPTION_NO_IDATA5 + 1)
|
|
#define OPTION_OUTPUT_DEF (OPTION_OUTPUT_EXP + 1)
|
|
#define OPTION_EXPORT_ALL_SYMS (OPTION_OUTPUT_DEF + 1)
|
|
#define OPTION_NO_EXPORT_ALL_SYMS (OPTION_EXPORT_ALL_SYMS + 1)
|
|
#define OPTION_EXCLUDE_SYMS (OPTION_NO_EXPORT_ALL_SYMS + 1)
|
|
#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_EXCLUDE_SYMS + 1)
|
|
#define OPTION_OUTPUT_LIB (OPTION_NO_DEFAULT_EXCLUDES + 1)
|
|
#define OPTION_DEF (OPTION_OUTPUT_LIB + 1)
|
|
#define OPTION_ADD_UNDERSCORE (OPTION_DEF + 1)
|
|
#define OPTION_KILLAT (OPTION_ADD_UNDERSCORE + 1)
|
|
#define OPTION_HELP (OPTION_KILLAT + 1)
|
|
#define OPTION_MACHINE (OPTION_HELP + 1)
|
|
#define OPTION_ADD_INDIRECT (OPTION_MACHINE + 1)
|
|
#define OPTION_BASE_FILE (OPTION_ADD_INDIRECT + 1)
|
|
#define OPTION_AS (OPTION_BASE_FILE + 1)
|
|
|
|
static const struct option long_options[] =
|
|
{
|
|
/* generic options. */
|
|
{"quiet", no_argument, NULL, 'q'},
|
|
{"verbose", no_argument, NULL, 'v'},
|
|
{"version", no_argument, NULL, OPTION_VERSION},
|
|
{"implib", required_argument, NULL, OPTION_OUTPUT_LIB},
|
|
|
|
/* dllwrap options. */
|
|
{"dry-run", no_argument, NULL, OPTION_DRY_RUN},
|
|
{"driver-name", required_argument, NULL, OPTION_DRIVER_NAME},
|
|
{"driver-flags", required_argument, NULL, OPTION_DRIVER_FLAGS},
|
|
{"dlltool-name", required_argument, NULL, OPTION_DLLTOOL_NAME},
|
|
{"entry", required_argument, NULL, 'e'},
|
|
{"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
|
|
{"target", required_argument, NULL, OPTION_TARGET},
|
|
|
|
/* dlltool options. */
|
|
{"no-delete", no_argument, NULL, 'n'},
|
|
{"dllname", required_argument, NULL, OPTION_DLLNAME},
|
|
{"no-idata4", no_argument, NULL, OPTION_NO_IDATA4},
|
|
{"no-idata5", no_argument, NULL, OPTION_NO_IDATA5},
|
|
{"output-exp", required_argument, NULL, OPTION_OUTPUT_EXP},
|
|
{"output-def", required_argument, NULL, OPTION_OUTPUT_DEF},
|
|
{"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL_SYMS},
|
|
{"no-export-all-symbols", no_argument, NULL, OPTION_NO_EXPORT_ALL_SYMS},
|
|
{"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMS},
|
|
{"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
|
|
{"output-lib", required_argument, NULL, OPTION_OUTPUT_LIB},
|
|
{"def", required_argument, NULL, OPTION_DEF},
|
|
{"add-underscore", no_argument, NULL, 'U'},
|
|
{"killat", no_argument, NULL, 'k'},
|
|
{"add-stdcall-alias", no_argument, NULL, 'A'},
|
|
{"help", no_argument, NULL, 'h'},
|
|
{"machine", required_argument, NULL, OPTION_MACHINE},
|
|
{"add-indirect", no_argument, NULL, OPTION_ADD_INDIRECT},
|
|
{"base-file", required_argument, NULL, OPTION_BASE_FILE},
|
|
{"as", required_argument, NULL, OPTION_AS},
|
|
{0, 0, 0, 0}
|
|
};
|
|
|
|
int main (int, char **);
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int c;
|
|
int i;
|
|
|
|
char **saved_argv = 0;
|
|
int cmdline_len = 0;
|
|
|
|
int export_all = 0;
|
|
|
|
int *dlltool_arg_indices;
|
|
int *driver_arg_indices;
|
|
|
|
char *driver_flags = 0;
|
|
char *output_lib_file_name = 0;
|
|
|
|
dyn_string_t dlltool_cmdline;
|
|
dyn_string_t driver_cmdline;
|
|
|
|
int def_file_seen = 0;
|
|
|
|
char *image_base_str = 0;
|
|
|
|
prog_name = argv[0];
|
|
|
|
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
|
|
setlocale (LC_MESSAGES, "");
|
|
#endif
|
|
#if defined (HAVE_SETLOCALE)
|
|
setlocale (LC_CTYPE, "");
|
|
#endif
|
|
bindtextdomain (PACKAGE, LOCALEDIR);
|
|
textdomain (PACKAGE);
|
|
|
|
expandargv (&argc, &argv);
|
|
|
|
saved_argv = (char **) xmalloc (argc * sizeof (char*));
|
|
dlltool_arg_indices = (int *) xmalloc (argc * sizeof (int));
|
|
driver_arg_indices = (int *) xmalloc (argc * sizeof (int));
|
|
for (i = 0; i < argc; ++i)
|
|
{
|
|
size_t len = strlen (argv[i]);
|
|
char *arg = (char *) xmalloc (len + 1);
|
|
strcpy (arg, argv[i]);
|
|
cmdline_len += len;
|
|
saved_argv[i] = arg;
|
|
dlltool_arg_indices[i] = 0;
|
|
driver_arg_indices[i] = 1;
|
|
}
|
|
cmdline_len++;
|
|
|
|
/* We recognize dllwrap and dlltool options, and everything else is
|
|
passed onto the language driver (eg., to GCC). We collect options
|
|
to dlltool and driver in dlltool_args and driver_args. */
|
|
|
|
opterr = 0;
|
|
while ((c = getopt_long_only (argc, argv, "nkAqve:Uho:l:L:I:",
|
|
long_options, (int *) 0)) != EOF)
|
|
{
|
|
int dlltool_arg;
|
|
int driver_arg;
|
|
int single_word_option_value_pair;
|
|
|
|
dlltool_arg = 0;
|
|
driver_arg = 1;
|
|
single_word_option_value_pair = 0;
|
|
|
|
if (c != '?')
|
|
{
|
|
/* We recognize this option, so it has to be either dllwrap or
|
|
dlltool option. Do not pass to driver unless it's one of the
|
|
generic options that are passed to all the tools (such as -v)
|
|
which are dealt with later. */
|
|
driver_arg = 0;
|
|
}
|
|
|
|
/* deal with generic and dllwrap options first. */
|
|
switch (c)
|
|
{
|
|
case 'h':
|
|
usage (stdout, 0);
|
|
break;
|
|
case 'q':
|
|
verbose = 0;
|
|
break;
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
case OPTION_VERSION:
|
|
print_version (prog_name);
|
|
break;
|
|
case 'e':
|
|
entry_point = optarg;
|
|
break;
|
|
case OPTION_IMAGE_BASE:
|
|
image_base_str = optarg;
|
|
break;
|
|
case OPTION_DEF:
|
|
def_file_name = optarg;
|
|
def_file_seen = 1;
|
|
delete_def_file = 0;
|
|
break;
|
|
case 'n':
|
|
dontdeltemps = 1;
|
|
dlltool_arg = 1;
|
|
break;
|
|
case 'o':
|
|
dll_file_name = optarg;
|
|
break;
|
|
case 'I':
|
|
case 'l':
|
|
case 'L':
|
|
driver_arg = 1;
|
|
break;
|
|
case OPTION_DLLNAME:
|
|
dll_name = optarg;
|
|
break;
|
|
case OPTION_DRY_RUN:
|
|
dry_run = 1;
|
|
break;
|
|
case OPTION_DRIVER_NAME:
|
|
driver_name = optarg;
|
|
break;
|
|
case OPTION_DRIVER_FLAGS:
|
|
driver_flags = optarg;
|
|
break;
|
|
case OPTION_DLLTOOL_NAME:
|
|
dlltool_name = optarg;
|
|
break;
|
|
case OPTION_TARGET:
|
|
target = optarg;
|
|
break;
|
|
case OPTION_MNO_CYGWIN:
|
|
target = "i386-mingw32";
|
|
break;
|
|
case OPTION_BASE_FILE:
|
|
base_file_name = optarg;
|
|
delete_base_file = 0;
|
|
break;
|
|
case OPTION_OUTPUT_EXP:
|
|
exp_file_name = optarg;
|
|
delete_exp_file = 0;
|
|
break;
|
|
case OPTION_EXPORT_ALL_SYMS:
|
|
export_all = 1;
|
|
break;
|
|
case OPTION_OUTPUT_LIB:
|
|
output_lib_file_name = optarg;
|
|
break;
|
|
case '?':
|
|
break;
|
|
default:
|
|
dlltool_arg = 1;
|
|
break;
|
|
}
|
|
|
|
/* Handle passing through --option=value case. */
|
|
if (optarg
|
|
&& saved_argv[optind-1][0] == '-'
|
|
&& saved_argv[optind-1][1] == '-'
|
|
&& strchr (saved_argv[optind-1], '='))
|
|
single_word_option_value_pair = 1;
|
|
|
|
if (dlltool_arg)
|
|
{
|
|
dlltool_arg_indices[optind-1] = 1;
|
|
if (optarg && ! single_word_option_value_pair)
|
|
{
|
|
dlltool_arg_indices[optind-2] = 1;
|
|
}
|
|
}
|
|
|
|
if (! driver_arg)
|
|
{
|
|
driver_arg_indices[optind-1] = 0;
|
|
if (optarg && ! single_word_option_value_pair)
|
|
{
|
|
driver_arg_indices[optind-2] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Sanity checks. */
|
|
if (! dll_name && ! dll_file_name)
|
|
{
|
|
warn (_("Must provide at least one of -o or --dllname options"));
|
|
exit (1);
|
|
}
|
|
else if (! dll_name)
|
|
{
|
|
dll_name = xstrdup (mybasename (dll_file_name));
|
|
}
|
|
else if (! dll_file_name)
|
|
{
|
|
dll_file_name = xstrdup (dll_name);
|
|
}
|
|
|
|
/* Deduce driver-name and dlltool-name from our own. */
|
|
if (driver_name == NULL)
|
|
driver_name = deduce_name ("gcc");
|
|
|
|
if (dlltool_name == NULL)
|
|
dlltool_name = deduce_name ("dlltool");
|
|
|
|
if (! def_file_seen)
|
|
{
|
|
char *fileprefix = choose_temp_base ();
|
|
|
|
def_file_name = (char *) xmalloc (strlen (fileprefix) + 5);
|
|
sprintf (def_file_name, "%s.def",
|
|
(dontdeltemps) ? mybasename (fileprefix) : fileprefix);
|
|
delete_def_file = 1;
|
|
free (fileprefix);
|
|
delete_def_file = 1;
|
|
warn (_("no export definition file provided.\n\
|
|
Creating one, but that may not be what you want"));
|
|
}
|
|
|
|
/* Set the target platform. */
|
|
if (strstr (target, "cygwin"))
|
|
which_target = CYGWIN_TARGET;
|
|
else if (strstr (target, "mingw"))
|
|
which_target = MINGW_TARGET;
|
|
else
|
|
which_target = UNKNOWN_TARGET;
|
|
|
|
/* Re-create the command lines as a string, taking care to quote stuff. */
|
|
dlltool_cmdline = dyn_string_new (cmdline_len);
|
|
if (verbose)
|
|
dyn_string_append_cstr (dlltool_cmdline, " -v");
|
|
|
|
dyn_string_append_cstr (dlltool_cmdline, " --dllname ");
|
|
dyn_string_append_cstr (dlltool_cmdline, dll_name);
|
|
|
|
for (i = 1; i < argc; ++i)
|
|
{
|
|
if (dlltool_arg_indices[i])
|
|
{
|
|
char *arg = saved_argv[i];
|
|
int quote = (strchr (arg, ' ') || strchr (arg, '\t'));
|
|
dyn_string_append_cstr (dlltool_cmdline,
|
|
(quote) ? " \"" : " ");
|
|
dyn_string_append_cstr (dlltool_cmdline, arg);
|
|
dyn_string_append_cstr (dlltool_cmdline,
|
|
(quote) ? "\"" : "");
|
|
}
|
|
}
|
|
|
|
driver_cmdline = dyn_string_new (cmdline_len);
|
|
if (! driver_flags || strlen (driver_flags) == 0)
|
|
{
|
|
switch (which_target)
|
|
{
|
|
case CYGWIN_TARGET:
|
|
driver_flags = cygwin_driver_flags;
|
|
break;
|
|
|
|
case MINGW_TARGET:
|
|
driver_flags = mingw32_driver_flags;
|
|
break;
|
|
|
|
default:
|
|
driver_flags = generic_driver_flags;
|
|
break;
|
|
}
|
|
}
|
|
dyn_string_append_cstr (driver_cmdline, driver_flags);
|
|
dyn_string_append_cstr (driver_cmdline, " -o ");
|
|
dyn_string_append_cstr (driver_cmdline, dll_file_name);
|
|
|
|
if (! entry_point || strlen (entry_point) == 0)
|
|
{
|
|
switch (which_target)
|
|
{
|
|
case CYGWIN_TARGET:
|
|
entry_point = "__cygwin_dll_entry@12";
|
|
break;
|
|
|
|
case MINGW_TARGET:
|
|
entry_point = "_DllMainCRTStartup@12";
|
|
break;
|
|
|
|
default:
|
|
entry_point = "_DllMain@12";
|
|
break;
|
|
}
|
|
}
|
|
dyn_string_append_cstr (driver_cmdline, " -Wl,-e,");
|
|
dyn_string_append_cstr (driver_cmdline, entry_point);
|
|
dyn_string_append_cstr (dlltool_cmdline, " --exclude-symbol=");
|
|
dyn_string_append_cstr (dlltool_cmdline,
|
|
(entry_point[0] == '_') ? entry_point+1 : entry_point);
|
|
|
|
if (! image_base_str || strlen (image_base_str) == 0)
|
|
{
|
|
char *tmpbuf = (char *) xmalloc (sizeof ("0x12345678") + 1);
|
|
unsigned long hash = strhash (dll_file_name);
|
|
sprintf (tmpbuf, "0x%.8lX", 0x60000000|((hash<<16)&0xFFC0000));
|
|
image_base_str = tmpbuf;
|
|
}
|
|
|
|
dyn_string_append_cstr (driver_cmdline, " -Wl,--image-base,");
|
|
dyn_string_append_cstr (driver_cmdline, image_base_str);
|
|
|
|
if (verbose)
|
|
{
|
|
dyn_string_append_cstr (driver_cmdline, " -v");
|
|
}
|
|
|
|
for (i = 1; i < argc; ++i)
|
|
{
|
|
if (driver_arg_indices[i])
|
|
{
|
|
char *arg = saved_argv[i];
|
|
int quote = (strchr (arg, ' ') || strchr (arg, '\t'));
|
|
dyn_string_append_cstr (driver_cmdline,
|
|
(quote) ? " \"" : " ");
|
|
dyn_string_append_cstr (driver_cmdline, arg);
|
|
dyn_string_append_cstr (driver_cmdline,
|
|
(quote) ? "\"" : "");
|
|
}
|
|
}
|
|
|
|
/* Step pre-1. If no --def <EXPORT_DEF> is specified,
|
|
then create it and then pass it on. */
|
|
|
|
if (! def_file_seen)
|
|
{
|
|
int i;
|
|
dyn_string_t step_pre1;
|
|
|
|
step_pre1 = dyn_string_new (1024);
|
|
|
|
dyn_string_append_cstr (step_pre1, dlltool_cmdline->s);
|
|
if (export_all)
|
|
{
|
|
dyn_string_append_cstr (step_pre1, " --export-all --exclude-symbol=");
|
|
dyn_string_append_cstr (step_pre1,
|
|
"_cygwin_dll_entry@12,DllMainCRTStartup@12,DllMain@12,DllEntryPoint@12");
|
|
}
|
|
dyn_string_append_cstr (step_pre1, " --output-def ");
|
|
dyn_string_append_cstr (step_pre1, def_file_name);
|
|
|
|
for (i = 1; i < argc; ++i)
|
|
{
|
|
if (driver_arg_indices[i])
|
|
{
|
|
char *arg = saved_argv[i];
|
|
size_t len = strlen (arg);
|
|
if (len >= 2 && arg[len-2] == '.'
|
|
&& (arg[len-1] == 'o' || arg[len-1] == 'a'))
|
|
{
|
|
int quote = (strchr (arg, ' ') || strchr (arg, '\t'));
|
|
dyn_string_append_cstr (step_pre1,
|
|
(quote) ? " \"" : " ");
|
|
dyn_string_append_cstr (step_pre1, arg);
|
|
dyn_string_append_cstr (step_pre1,
|
|
(quote) ? "\"" : "");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (run (dlltool_name, step_pre1->s))
|
|
cleanup_and_exit (1);
|
|
|
|
dyn_string_delete (step_pre1);
|
|
}
|
|
|
|
dyn_string_append_cstr (dlltool_cmdline, " --def ");
|
|
dyn_string_append_cstr (dlltool_cmdline, def_file_name);
|
|
|
|
if (verbose)
|
|
{
|
|
fprintf (stderr, _("DLLTOOL name : %s\n"), dlltool_name);
|
|
fprintf (stderr, _("DLLTOOL options : %s\n"), dlltool_cmdline->s);
|
|
fprintf (stderr, _("DRIVER name : %s\n"), driver_name);
|
|
fprintf (stderr, _("DRIVER options : %s\n"), driver_cmdline->s);
|
|
}
|
|
|
|
/* Step 1. Call GCC/LD to create base relocation file. If using GCC, the
|
|
driver command line will look like the following:
|
|
|
|
% gcc -Wl,--dll --Wl,--base-file,foo.base [rest of command line]
|
|
|
|
If the user does not specify a base name, create temporary one that
|
|
is deleted at exit. */
|
|
|
|
if (! base_file_name)
|
|
{
|
|
char *fileprefix = choose_temp_base ();
|
|
base_file_name = (char *) xmalloc (strlen (fileprefix) + 6);
|
|
sprintf (base_file_name, "%s.base",
|
|
(dontdeltemps) ? mybasename (fileprefix) : fileprefix);
|
|
delete_base_file = 1;
|
|
free (fileprefix);
|
|
}
|
|
|
|
{
|
|
int quote;
|
|
|
|
dyn_string_t step1 = dyn_string_new (driver_cmdline->length
|
|
+ strlen (base_file_name)
|
|
+ 20);
|
|
dyn_string_append_cstr (step1, "-Wl,--base-file,");
|
|
quote = (strchr (base_file_name, ' ')
|
|
|| strchr (base_file_name, '\t'));
|
|
dyn_string_append_cstr (step1,
|
|
(quote) ? "\"" : "");
|
|
dyn_string_append_cstr (step1, base_file_name);
|
|
dyn_string_append_cstr (step1,
|
|
(quote) ? "\"" : "");
|
|
if (driver_cmdline->length)
|
|
{
|
|
dyn_string_append_cstr (step1, " ");
|
|
dyn_string_append_cstr (step1, driver_cmdline->s);
|
|
}
|
|
|
|
if (run (driver_name, step1->s))
|
|
cleanup_and_exit (1);
|
|
|
|
dyn_string_delete (step1);
|
|
}
|
|
|
|
/* Step 2. generate the exp file by running dlltool.
|
|
dlltool command line will look like the following:
|
|
|
|
% dlltool -Wl,--dll --Wl,--base-file,foo.base [rest of command line]
|
|
|
|
If the user does not specify a base name, create temporary one that
|
|
is deleted at exit. */
|
|
|
|
if (! exp_file_name)
|
|
{
|
|
char *p = strrchr (dll_name, '.');
|
|
size_t prefix_len = (p) ? (size_t) (p - dll_name) : strlen (dll_name);
|
|
|
|
exp_file_name = (char *) xmalloc (prefix_len + 4 + 1);
|
|
strncpy (exp_file_name, dll_name, prefix_len);
|
|
exp_file_name[prefix_len] = '\0';
|
|
strcat (exp_file_name, ".exp");
|
|
delete_exp_file = 1;
|
|
}
|
|
|
|
{
|
|
int quote;
|
|
|
|
dyn_string_t step2 = dyn_string_new (dlltool_cmdline->length
|
|
+ strlen (base_file_name)
|
|
+ strlen (exp_file_name)
|
|
+ 20);
|
|
|
|
dyn_string_append_cstr (step2, "--base-file ");
|
|
quote = (strchr (base_file_name, ' ')
|
|
|| strchr (base_file_name, '\t'));
|
|
dyn_string_append_cstr (step2,
|
|
(quote) ? "\"" : "");
|
|
dyn_string_append_cstr (step2, base_file_name);
|
|
dyn_string_append_cstr (step2,
|
|
(quote) ? "\" " : " ");
|
|
|
|
dyn_string_append_cstr (step2, "--output-exp ");
|
|
quote = (strchr (exp_file_name, ' ')
|
|
|| strchr (exp_file_name, '\t'));
|
|
dyn_string_append_cstr (step2,
|
|
(quote) ? "\"" : "");
|
|
dyn_string_append_cstr (step2, exp_file_name);
|
|
dyn_string_append_cstr (step2,
|
|
(quote) ? "\"" : "");
|
|
|
|
if (dlltool_cmdline->length)
|
|
{
|
|
dyn_string_append_cstr (step2, " ");
|
|
dyn_string_append_cstr (step2, dlltool_cmdline->s);
|
|
}
|
|
|
|
if (run (dlltool_name, step2->s))
|
|
cleanup_and_exit (1);
|
|
|
|
dyn_string_delete (step2);
|
|
}
|
|
|
|
/*
|
|
* Step 3. Call GCC/LD to again, adding the exp file this time.
|
|
* driver command line will look like the following:
|
|
*
|
|
* % gcc -Wl,--dll --Wl,--base-file,foo.base foo.exp [rest ...]
|
|
*/
|
|
|
|
{
|
|
int quote;
|
|
|
|
dyn_string_t step3 = dyn_string_new (driver_cmdline->length
|
|
+ strlen (exp_file_name)
|
|
+ strlen (base_file_name)
|
|
+ 20);
|
|
dyn_string_append_cstr (step3, "-Wl,--base-file,");
|
|
quote = (strchr (base_file_name, ' ')
|
|
|| strchr (base_file_name, '\t'));
|
|
dyn_string_append_cstr (step3,
|
|
(quote) ? "\"" : "");
|
|
dyn_string_append_cstr (step3, base_file_name);
|
|
dyn_string_append_cstr (step3,
|
|
(quote) ? "\" " : " ");
|
|
|
|
quote = (strchr (exp_file_name, ' ')
|
|
|| strchr (exp_file_name, '\t'));
|
|
dyn_string_append_cstr (step3,
|
|
(quote) ? "\"" : "");
|
|
dyn_string_append_cstr (step3, exp_file_name);
|
|
dyn_string_append_cstr (step3,
|
|
(quote) ? "\"" : "");
|
|
|
|
if (driver_cmdline->length)
|
|
{
|
|
dyn_string_append_cstr (step3, " ");
|
|
dyn_string_append_cstr (step3, driver_cmdline->s);
|
|
}
|
|
|
|
if (run (driver_name, step3->s))
|
|
cleanup_and_exit (1);
|
|
|
|
dyn_string_delete (step3);
|
|
}
|
|
|
|
|
|
/*
|
|
* Step 4. Run DLLTOOL again using the same command line.
|
|
*/
|
|
|
|
{
|
|
int quote;
|
|
dyn_string_t step4 = dyn_string_new (dlltool_cmdline->length
|
|
+ strlen (base_file_name)
|
|
+ strlen (exp_file_name)
|
|
+ 20);
|
|
|
|
dyn_string_append_cstr (step4, "--base-file ");
|
|
quote = (strchr (base_file_name, ' ')
|
|
|| strchr (base_file_name, '\t'));
|
|
dyn_string_append_cstr (step4,
|
|
(quote) ? "\"" : "");
|
|
dyn_string_append_cstr (step4, base_file_name);
|
|
dyn_string_append_cstr (step4,
|
|
(quote) ? "\" " : " ");
|
|
|
|
dyn_string_append_cstr (step4, "--output-exp ");
|
|
quote = (strchr (exp_file_name, ' ')
|
|
|| strchr (exp_file_name, '\t'));
|
|
dyn_string_append_cstr (step4,
|
|
(quote) ? "\"" : "");
|
|
dyn_string_append_cstr (step4, exp_file_name);
|
|
dyn_string_append_cstr (step4,
|
|
(quote) ? "\"" : "");
|
|
|
|
if (dlltool_cmdline->length)
|
|
{
|
|
dyn_string_append_cstr (step4, " ");
|
|
dyn_string_append_cstr (step4, dlltool_cmdline->s);
|
|
}
|
|
|
|
if (output_lib_file_name)
|
|
{
|
|
dyn_string_append_cstr (step4, " --output-lib ");
|
|
dyn_string_append_cstr (step4, output_lib_file_name);
|
|
}
|
|
|
|
if (run (dlltool_name, step4->s))
|
|
cleanup_and_exit (1);
|
|
|
|
dyn_string_delete (step4);
|
|
}
|
|
|
|
|
|
/*
|
|
* Step 5. Link it all together and be done with it.
|
|
* driver command line will look like the following:
|
|
*
|
|
* % gcc -Wl,--dll foo.exp [rest ...]
|
|
*
|
|
*/
|
|
|
|
{
|
|
int quote;
|
|
|
|
dyn_string_t step5 = dyn_string_new (driver_cmdline->length
|
|
+ strlen (exp_file_name)
|
|
+ 20);
|
|
quote = (strchr (exp_file_name, ' ')
|
|
|| strchr (exp_file_name, '\t'));
|
|
dyn_string_append_cstr (step5,
|
|
(quote) ? "\"" : "");
|
|
dyn_string_append_cstr (step5, exp_file_name);
|
|
dyn_string_append_cstr (step5,
|
|
(quote) ? "\"" : "");
|
|
|
|
if (driver_cmdline->length)
|
|
{
|
|
dyn_string_append_cstr (step5, " ");
|
|
dyn_string_append_cstr (step5, driver_cmdline->s);
|
|
}
|
|
|
|
if (run (driver_name, step5->s))
|
|
cleanup_and_exit (1);
|
|
|
|
dyn_string_delete (step5);
|
|
}
|
|
|
|
cleanup_and_exit (0);
|
|
|
|
return 0;
|
|
}
|