aboutsummaryrefslogtreecommitdiff
path: root/binutils/dllwrap.c
diff options
context:
space:
mode:
Diffstat (limited to 'binutils/dllwrap.c')
-rw-r--r--binutils/dllwrap.c1048
1 files changed, 1048 insertions, 0 deletions
diff --git a/binutils/dllwrap.c b/binutils/dllwrap.c
new file mode 100644
index 0000000..da0222b
--- /dev/null
+++ b/binutils/dllwrap.c
@@ -0,0 +1,1048 @@
+/* dllwrap.c -- wrapper for DLLTOOL and GCC to generate PE style DLLs
+ Copyright (C) 1998 Free Software Foundation, Inc.
+ Contributed by Mumit Khan (khan@xraylith.wisc.edu).
+
+ This file is part of GNU Binutils.
+
+ This program 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 of the License, or
+ (at your option) any later version.
+
+ This program 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 this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+
+/* AIX requires this to be the first thing in the file. */
+#ifndef __GNUC__
+# ifdef _AIX
+ #pragma alloca
+#endif
+#endif
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include "getopt.h"
+#include "libiberty.h"
+#include "dyn-string.h"
+
+#include <ctype.h>
+#include <time.h>
+
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#else /* ! HAVE_SYS_WAIT_H */
+#if ! defined (_WIN32) || defined (__CYGWIN32__)
+#ifndef WIFEXITED
+#define WIFEXITED(w) (((w)&0377) == 0)
+#endif
+#ifndef WIFSIGNALED
+#define WIFSIGNALED(w) (((w)&0377) != 0177 && ((w)&~0377) == 0)
+#endif
+#ifndef WTERMSIG
+#define WTERMSIG(w) ((w) & 0177)
+#endif
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(w) (((w) >> 8) & 0377)
+#endif
+#else /* defined (_WIN32) && ! defined (__CYGWIN32__) */
+#ifndef WIFEXITED
+#define WIFEXITED(w) (((w) & 0xff) == 0)
+#endif
+#ifndef WIFSIGNALED
+#define WIFSIGNALED(w) (((w) & 0xff) != 0 && ((w) & 0xff) != 0x7f)
+#endif
+#ifndef WTERMSIG
+#define WTERMSIG(w) ((w) & 0x7f)
+#endif
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(w) (((w) & 0xff00) >> 8)
+#endif
+#endif /* defined (_WIN32) && ! defined (__CYGWIN32__) */
+#endif /* ! HAVE_SYS_WAIT_H */
+
+static char *program_version = "0.2.4";
+static char *driver_name = "gcc";
+static char *cygwin32_driver_flags =
+ "-Wl,--dll -nostartfiles";
+static char *mingw32_driver_flags = "-mdll";
+static char *generic_driver_flags = "-Wl,--dll";
+
+static char *entry_point;
+
+static char *dlltool_name = "dlltool";
+
+static char *target = TARGET;
+
+typedef enum {
+ UNKNOWN_TARGET,
+ CYGWIN32_TARGET,
+ MINGW32_TARGET
+}
+target_type;
+
+static target_type which_target = UNKNOWN_TARGET;
+
+static int dontdeltemps = 0;
+static int dry_run = 0;
+
+static char *program_name;
+
+static int verbose = 0;
+
+static char *dll_file_name;
+static char *dll_name;
+static char *base_file_name;
+static char *exp_file_name;
+static char *def_file_name;
+static int delete_base_file = 1;
+static int delete_exp_file = 1;
+static int delete_def_file = 1;
+
+static int run PARAMS ((const char *, char *));
+static void usage PARAMS ((FILE *, int));
+static void delete_temp_files PARAMS ((void));
+static void cleanup_and_exit PARAMS ((int status));
+
+/**********************************************************************/
+
+static void
+delete_temp_files ()
+{
+ if (delete_base_file && base_file_name)
+ {
+ if (verbose)
+ fprintf (stderr, "%s temporary base file %s\n",
+ dontdeltemps ? "Keeping" : "Deleting",
+ base_file_name);
+ if (! dontdeltemps)
+ {
+ unlink (base_file_name);
+ free (base_file_name);
+ }
+ }
+
+ if (delete_exp_file && exp_file_name)
+ {
+ if (verbose)
+ fprintf (stderr, "%s temporary exp file %s\n",
+ dontdeltemps ? "Keeping" : "Deleting",
+ exp_file_name);
+ if (! dontdeltemps)
+ {
+ unlink (exp_file_name);
+ free (exp_file_name);
+ }
+ }
+ if (delete_def_file && def_file_name)
+ {
+ if (verbose)
+ fprintf (stderr, "%s temporary def file %s\n",
+ dontdeltemps ? "Keeping" : "Deleting",
+ def_file_name);
+ if (! dontdeltemps)
+ {
+ unlink (def_file_name);
+ free (def_file_name);
+ }
+ }
+}
+
+static void
+cleanup_and_exit (int status)
+{
+ delete_temp_files ();
+ exit (status);
+}
+
+static int
+run (what, args)
+ const char *what;
+ char *args;
+{
+ char *s;
+ int pid, wait_status, retcode;
+ int i;
+ const char **argv;
+ char *errmsg_fmt, *errmsg_arg;
+ char *temp_base = choose_temp_base ();
+ int in_quote;
+ char sep;
+
+ if (verbose || dry_run)
+ fprintf (stderr, "%s %s\n", what, args);
+
+ /* Count the args */
+ i = 0;
+ for (s = args; *s; s++)
+ if (*s == ' ')
+ i++;
+ i++;
+ argv = alloca (sizeof (char *) * (i + 3));
+ i = 0;
+ argv[i++] = what;
+ s = args;
+ while (1)
+ {
+ while (*s == ' ' && *s != 0)
+ s++;
+ if (*s == 0)
+ break;
+ in_quote = (*s == '\'' || *s == '"');
+ sep = (in_quote) ? *s++ : ' ';
+ argv[i++] = s;
+ while (*s != sep && *s != 0)
+ s++;
+ if (*s == 0)
+ break;
+ *s++ = 0;
+ if (in_quote)
+ s++;
+ }
+ argv[i++] = NULL;
+
+ if (dry_run)
+ return 0;
+
+ pid = pexecute (argv[0], (char * const *) argv, program_name, temp_base,
+ &errmsg_fmt, &errmsg_arg, PEXECUTE_ONE | PEXECUTE_SEARCH);
+
+ if (pid == -1)
+ {
+ int errno_val = errno;
+
+ fprintf (stderr, "%s: ", program_name);
+ fprintf (stderr, errmsg_fmt, errmsg_arg);
+ fprintf (stderr, ": %s\n", strerror (errno_val));
+ return 1;
+ }
+
+ retcode = 0;
+ pid = pwait (pid, &wait_status, 0);
+ if (pid == -1)
+ {
+ fprintf (stderr, "%s: wait: %s\n", program_name, strerror (errno));
+ retcode = 1;
+ }
+ else if (WIFSIGNALED (wait_status))
+ {
+ fprintf (stderr, "%s: subprocess got fatal signal %d\n",
+ program_name, WTERMSIG (wait_status));
+ retcode = 1;
+ }
+ else if (WIFEXITED (wait_status))
+ {
+ if (WEXITSTATUS (wait_status) != 0)
+ {
+ fprintf (stderr, "%s: %s exited with status %d\n",
+ program_name, what, WEXITSTATUS (wait_status));
+ retcode = 1;
+ }
+ }
+ else
+ retcode = 1;
+
+ return retcode;
+}
+
+static char *
+mybasename (name)
+ const char *name;
+{
+ const char *base = name;
+
+ while (*name)
+ {
+ if (*name == '/' || *name == '\\')
+ {
+ base = name + 1;
+ }
+ ++name;
+ }
+ return (char *) base;
+}
+
+static int
+strhash (const char *str)
+{
+ const unsigned char *s;
+ unsigned long hash;
+ unsigned int c;
+ unsigned int len;
+
+ hash = 0;
+ len = 0;
+ s = (const unsigned char *) str;
+ while ((c = *s++) != '\0')
+ {
+ hash += c + (c << 17);
+ hash ^= hash >> 2;
+ ++len;
+ }
+ hash += len + (len << 17);
+ hash ^= hash >> 2;
+
+ return hash;
+}
+
+/**********************************************************************/
+
+void
+print_version (name)
+ const char *name;
+{
+ /* This output is intended to follow the GNU standards document. */
+ /* xgettext:c-format */
+ printf ("GNU %s %s\n", name, program_version);
+ printf ("Copyright 1998 Free Software Foundation, Inc.\n");
+ printf ("\
+This program is free software; you may redistribute it under the terms of\n\
+the GNU General Public License. This program has absolutely no warranty.\n");
+ exit (0);
+}
+
+static void
+usage (file, status)
+ FILE *file;
+ int status;
+{
+ fprintf (file, "Usage %s <options> <object-files>\n", program_name);
+ fprintf (file, " Generic options:\n");
+ fprintf (file, " --quiet, -q Work quietly\n");
+ fprintf (file, " --verbose, -v Verbose\n");
+ fprintf (file, " --version Print dllwrap version\n");
+ fprintf (file, " --implib <outname> Synonym for --output-lib\n");
+ fprintf (file, " Options for %s:\n", program_name);
+ fprintf (file, " --driver-name <driver> Defaults to \"gcc\"\n");
+ fprintf (file, " --driver-flags <flags> Override default ld flags\n");
+ fprintf (file, " --dlltool-name <dlltool> Defaults to \"dlltool\"\n");
+ fprintf (file, " --entry <entry> Specify alternate DLL entry point\n");
+ fprintf (file, " --image-base <base> Specify image base address\n");
+ fprintf (file, " --target <machine> i386-cygwin32 or i386-mingw32\n");
+ fprintf (file, " --dry-run Show what needs to be run\n");
+ fprintf (file, " Options passed to DLLTOOL:\n");
+ fprintf (file, " --machine <machine>\n");
+ fprintf (file, " --output-exp <outname> Generate export file.\n");
+ fprintf (file, " --output-lib <outname> Generate input library.\n");
+ fprintf (file, " --add-indirect Add dll indirects to export file.\n");
+ fprintf (file, " --dllname <name> Name of input dll to put into output lib.\n");
+ fprintf (file, " --def <deffile> Name input .def file\n");
+ fprintf (file, " --output-def <deffile> Name output .def file\n");
+ fprintf (file, " --export-all-symbols Export all symbols to .def\n");
+ fprintf (file, " --no-export-all-symbols Only export .drectve symbols\n");
+ fprintf (file, " --exclude-symbols <list> Exclude <list> from .def\n");
+ fprintf (file, " --no-default-excludes Zap default exclude symbols\n");
+ fprintf (file, " --base-file <basefile> Read linker generated base file\n");
+ fprintf (file, " --no-idata4 Don't generate idata$4 section\n");
+ fprintf (file, " --no-idata5 Don't generate idata$5 section\n");
+ fprintf (file, " -U Add underscores to .lib\n");
+ fprintf (file, " -k Kill @<n> from exported names\n");
+ fprintf (file, " --add-stdcall-alias Add aliases without @<n>\n");
+ fprintf (file, " --as <name> Use <name> for assembler\n");
+ fprintf (file, " --nodelete Keep temp files.\n");
+ fprintf (file, " Rest are passed unmodified to the language driver\n");
+ fprintf (file, "\n\n");
+ exit (status);
+}
+
+#define OPTION_START 149
+
+/* GENERIC options. */
+#define OPTION_QUIET (OPTION_START + 1)
+#define OPTION_VERBOSE (OPTION_QUIET + 1)
+#define OPTION_VERSION (OPTION_VERBOSE + 1)
+
+/* DLLWRAP options. */
+#define OPTION_DRY_RUN (OPTION_VERSION + 1)
+#define OPTION_DRIVER_NAME (OPTION_DRY_RUN + 1)
+#define OPTION_DRIVER_FLAGS (OPTION_DRIVER_NAME + 1)
+#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)
+
+/* DLLTOOL options. */
+#define OPTION_NODELETE (OPTION_TARGET + 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}
+};
+
+int
+main (argc, argv)
+ 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;
+
+ program_name = argv[0];
+
+ 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 (program_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_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)
+ {
+ fprintf (stderr,
+ "%s: Must provide at least one of -o or --dllname options\n",
+ program_name);
+ exit (1);
+ }
+ else if (! dll_name)
+ {
+ dll_name = xstrdup (mybasename (dll_file_name));
+ }
+ else if (! dll_file_name)
+ {
+ dll_file_name = xstrdup (dll_name);
+ }
+
+ 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;
+ fprintf (stderr, "Warning: no export definition file provided\n");
+ fprintf (stderr,
+ "dllwrap will create one, but may not be what you want\n");
+ }
+
+ /* set the target platform. */
+ if (strstr (target, "cygwin32"))
+ which_target = CYGWIN32_TARGET;
+ else if (strstr (target, "mingw32"))
+ which_target = MINGW32_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 (dlltool_cmdline, " -v");
+ }
+ dyn_string_append (dlltool_cmdline, " --dllname ");
+ dyn_string_append (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 (dlltool_cmdline,
+ (quote) ? " \"" : " ");
+ dyn_string_append (dlltool_cmdline, arg);
+ dyn_string_append (dlltool_cmdline,
+ (quote) ? "\"" : "");
+ }
+ }
+
+ driver_cmdline = dyn_string_new (cmdline_len);
+ if (! driver_flags || strlen (driver_flags) == 0)
+ {
+ switch (which_target)
+ {
+ case CYGWIN32_TARGET:
+ driver_flags = cygwin32_driver_flags;
+ break;
+
+ case MINGW32_TARGET:
+ driver_flags = mingw32_driver_flags;
+ break;
+
+ default:
+ driver_flags = generic_driver_flags;
+ break;
+ }
+ }
+ dyn_string_append (driver_cmdline, driver_flags);
+ dyn_string_append (driver_cmdline, " -o ");
+ dyn_string_append (driver_cmdline, dll_file_name);
+
+ if (! entry_point || strlen (entry_point) == 0)
+ {
+ switch (which_target)
+ {
+ case CYGWIN32_TARGET:
+ entry_point = "__cygwin32_dll_entry@12";
+ break;
+
+ case MINGW32_TARGET:
+ entry_point = "_DllMainCRTStartup@12";
+ break;
+
+ default:
+ entry_point = "_DllMain@12";
+ break;
+ }
+ }
+ dyn_string_append (driver_cmdline, " -Wl,-e,");
+ dyn_string_append (driver_cmdline, entry_point);
+ dyn_string_append (dlltool_cmdline, " --exclude-symbol=");
+ dyn_string_append (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%.8X", 0x60000000|((hash<<16)&0xFFC0000));
+ image_base_str = tmpbuf;
+ }
+
+ dyn_string_append (driver_cmdline, " -Wl,--image-base,");
+ dyn_string_append (driver_cmdline, image_base_str);
+
+ if (verbose)
+ {
+ dyn_string_append (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 (driver_cmdline,
+ (quote) ? " \"" : " ");
+ dyn_string_append (driver_cmdline, arg);
+ dyn_string_append (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 (step_pre1, dlltool_cmdline->s);
+ if (export_all)
+ {
+ dyn_string_append (step_pre1, " --export-all --exclude-symbol=");
+ dyn_string_append (step_pre1,
+ "_cygwin32_dll_entry@12,DllMainCRTStartup@12,DllMain@12,DllEntryPoint@12");
+ }
+ dyn_string_append (step_pre1, " --output-def ");
+ dyn_string_append (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 (step_pre1,
+ (quote) ? " \"" : " ");
+ dyn_string_append (step_pre1, arg);
+ dyn_string_append (step_pre1,
+ (quote) ? "\"" : "");
+ }
+ }
+ }
+
+ if (run (dlltool_name, step_pre1->s))
+ cleanup_and_exit (1);
+
+ dyn_string_delete (step_pre1);
+ }
+
+ dyn_string_append (dlltool_cmdline, " --def ");
+ dyn_string_append (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 (step1, "-Wl,--base-file,");
+ quote = (strchr (base_file_name, ' ')
+ || strchr (base_file_name, '\t'));
+ dyn_string_append (step1,
+ (quote) ? "\"" : "");
+ dyn_string_append (step1, base_file_name);
+ dyn_string_append (step1,
+ (quote) ? "\"" : "");
+ if (driver_cmdline->length)
+ {
+ dyn_string_append (step1, " ");
+ dyn_string_append (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) ? 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 (step2, "--base-file ");
+ quote = (strchr (base_file_name, ' ')
+ || strchr (base_file_name, '\t'));
+ dyn_string_append (step2,
+ (quote) ? "\"" : "");
+ dyn_string_append (step2, base_file_name);
+ dyn_string_append (step2,
+ (quote) ? "\" " : " ");
+
+ dyn_string_append (step2, "--output-exp ");
+ quote = (strchr (exp_file_name, ' ')
+ || strchr (exp_file_name, '\t'));
+ dyn_string_append (step2,
+ (quote) ? "\"" : "");
+ dyn_string_append (step2, exp_file_name);
+ dyn_string_append (step2,
+ (quote) ? "\"" : "");
+
+ if (dlltool_cmdline->length)
+ {
+ dyn_string_append (step2, " ");
+ dyn_string_append (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 (step3, "-Wl,--base-file,");
+ quote = (strchr (base_file_name, ' ')
+ || strchr (base_file_name, '\t'));
+ dyn_string_append (step3,
+ (quote) ? "\"" : "");
+ dyn_string_append (step3, base_file_name);
+ dyn_string_append (step3,
+ (quote) ? "\" " : " ");
+
+ quote = (strchr (exp_file_name, ' ')
+ || strchr (exp_file_name, '\t'));
+ dyn_string_append (step3,
+ (quote) ? "\"" : "");
+ dyn_string_append (step3, exp_file_name);
+ dyn_string_append (step3,
+ (quote) ? "\"" : "");
+
+ if (driver_cmdline->length)
+ {
+ dyn_string_append (step3, " ");
+ dyn_string_append (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 (step4, "--base-file ");
+ quote = (strchr (base_file_name, ' ')
+ || strchr (base_file_name, '\t'));
+ dyn_string_append (step4,
+ (quote) ? "\"" : "");
+ dyn_string_append (step4, base_file_name);
+ dyn_string_append (step4,
+ (quote) ? "\" " : " ");
+
+ dyn_string_append (step4, "--output-exp ");
+ quote = (strchr (exp_file_name, ' ')
+ || strchr (exp_file_name, '\t'));
+ dyn_string_append (step4,
+ (quote) ? "\"" : "");
+ dyn_string_append (step4, exp_file_name);
+ dyn_string_append (step4,
+ (quote) ? "\"" : "");
+
+ if (dlltool_cmdline->length)
+ {
+ dyn_string_append (step4, " ");
+ dyn_string_append (step4, dlltool_cmdline->s);
+ }
+
+ if (output_lib_file_name)
+ {
+ dyn_string_append (step4, " --output-lib ");
+ dyn_string_append (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 (step5,
+ (quote) ? "\"" : "");
+ dyn_string_append (step5, exp_file_name);
+ dyn_string_append (step5,
+ (quote) ? "\"" : "");
+
+ if (driver_cmdline->length)
+ {
+ dyn_string_append (step5, " ");
+ dyn_string_append (step5, driver_cmdline->s);
+ }
+
+ if (run (driver_name, step5->s))
+ cleanup_and_exit (1);
+
+ dyn_string_delete (step5);
+ }
+
+ cleanup_and_exit (0);
+
+ return 0;
+}
generated by cgit v1.1 at 2024-12-13 15:07:59 +0000