diff options
Diffstat (limited to 'binutils/dllwrap.c')
| -rw-r--r-- | binutils/dllwrap.c | 1253 |
1 files changed, 1253 insertions, 0 deletions
diff --git a/binutils/dllwrap.c b/binutils/dllwrap.c new file mode 100644 index 0000000..85ace9b --- /dev/null +++ b/binutils/dllwrap.c @@ -0,0 +1,1253 @@ +/* dllwrap.c -- wrapper for DLLTOOL and GCC to generate PE style DLLs + Copyright (C) 1998-2014 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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ + +#include "sysdep.h" +#include "bfd.h" +#include "libiberty.h" +#include "getopt.h" +#include "dyn-string.h" +#include "bucomm.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 *driver_name = NULL; +static char *cygwin_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 = NULL; + +static char *target = TARGET; + +/* -1: use default, 0: no underscoring, 1: underscore. */ +static int is_leading_underscore = -1; + +typedef enum { + UNKNOWN_TARGET, + CYGWIN_TARGET, + MINGW_TARGET +} +target_type; + +typedef enum { + UNKNOWN_CPU, + X86_CPU, + X64_CPU, + ARM_CPU +} +target_cpu; + +static target_type which_target = UNKNOWN_TARGET; +static target_cpu which_cpu = UNKNOWN_CPU; + +static int dontdeltemps = 0; +static int dry_run = 0; + +static char *prog_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 (const char *, char *); +static char *mybasename (const char *); +static int strhash (const char *); +static void usage (FILE *, int); +static void display (const char *, va_list) ATTRIBUTE_PRINTF(1,0); +static void inform (const char *, ...) ATTRIBUTE_PRINTF_1; +static void warn (const char *, ...) ATTRIBUTE_PRINTF_1; +static char *look_for_prog (const char *, const char *, int); +static char *deduce_name (const char *); +static void delete_temp_files (void); +static void cleanup_and_exit (int); + +/**********************************************************************/ + +/* Please keep the following 4 routines in sync with dlltool.c: + display () + inform () + look_for_prog () + deduce_name () + It's not worth the hassle to break these out since dllwrap will + (hopefully) soon be retired in favor of `ld --shared. */ + +static void +display (const char * message, va_list args) +{ + if (prog_name != NULL) + fprintf (stderr, "%s: ", prog_name); + + vfprintf (stderr, message, args); + fputc ('\n', stderr); +} + + +static void +inform (const char *message, ...) +{ + va_list args; + + va_start (args, message); + + if (!verbose) + return; + + display (message, args); + + va_end (args); +} + +static void +warn (const char *format, ...) +{ + va_list args; + + va_start (args, format); + + display (format, args); + + va_end (args); +} + +/* Look for the program formed by concatenating PROG_NAME and the + string running from PREFIX to END_PREFIX. If the concatenated + string contains a '/', try appending EXECUTABLE_SUFFIX if it is + appropriate. */ + +static char * +look_for_prog (const char *progname, const char *prefix, int end_prefix) +{ + struct stat s; + char *cmd; + + cmd = xmalloc (strlen (prefix) + + strlen (progname) +#ifdef HAVE_EXECUTABLE_SUFFIX + + strlen (EXECUTABLE_SUFFIX) +#endif + + 10); + strcpy (cmd, prefix); + + sprintf (cmd + end_prefix, "%s", progname); + + if (strchr (cmd, '/') != NULL) + { + int found; + + found = (stat (cmd, &s) == 0 +#ifdef HAVE_EXECUTABLE_SUFFIX + || stat (strcat (cmd, EXECUTABLE_SUFFIX), &s) == 0 +#endif + ); + + if (! found) + { + /* xgettext:c-format */ + inform (_("Tried file: %s"), cmd); + free (cmd); + return NULL; + } + } + + /* xgettext:c-format */ + inform (_("Using file: %s"), cmd); + + return cmd; +} + +/* Deduce the name of the program we are want to invoke. + PROG_NAME is the basic name of the program we want to run, + eg "as" or "ld". The catch is that we might want actually + run "i386-pe-as" or "ppc-pe-ld". + + If argv[0] contains the full path, then try to find the program + in the same place, with and then without a target-like prefix. + + Given, argv[0] = /usr/local/bin/i586-cygwin32-dlltool, + deduce_name("as") uses the following search order: + + /usr/local/bin/i586-cygwin32-as + /usr/local/bin/as + as + + If there's an EXECUTABLE_SUFFIX, it'll use that as well; for each + name, it'll try without and then with EXECUTABLE_SUFFIX. + + Given, argv[0] = i586-cygwin32-dlltool, it will not even try "as" + as the fallback, but rather return i586-cygwin32-as. + + Oh, and given, argv[0] = dlltool, it'll return "as". + + Returns a dynamically allocated string. */ + +static char * +deduce_name (const char * name) +{ + char *cmd; + const char *dash; + const char *slash; + const char *cp; + + dash = NULL; + slash = NULL; + for (cp = prog_name; *cp != '\0'; ++cp) + { + if (*cp == '-') + dash = cp; + + if ( +#if defined(__DJGPP__) || defined (__CYGWIN__) || defined(__WIN32__) + *cp == ':' || *cp == '\\' || +#endif + *cp == '/') + { + slash = cp; + dash = NULL; + } + } + + cmd = NULL; + + if (dash != NULL) + /* First, try looking for a prefixed NAME in the + PROG_NAME directory, with the same prefix as PROG_NAME. */ + cmd = look_for_prog (name, prog_name, dash - prog_name + 1); + + if (slash != NULL && cmd == NULL) + /* Next, try looking for a NAME in the same directory as + that of this program. */ + cmd = look_for_prog (name, prog_name, slash - prog_name + 1); + + if (cmd == NULL) + /* Just return NAME as is. */ + cmd = xstrdup (name); + + return cmd; +} + +static void +delete_temp_files (void) +{ + if (delete_base_file && base_file_name) + { + if (verbose) + { + if (dontdeltemps) + warn (_("Keeping temporary base file %s"), base_file_name); + else + warn (_("Deleting temporary base file %s"), base_file_name); + } + if (! dontdeltemps) + { + unlink (base_file_name); + free (base_file_name); + } + } + + if (delete_exp_file && exp_file_name) + { + if (verbose) + { + if (dontdeltemps) + warn (_("Keeping temporary exp file %s"), exp_file_name); + else + warn (_("Deleting temporary exp file %s"), exp_file_name); + } + if (! dontdeltemps) + { + unlink (exp_file_name); + free (exp_file_name); + } + } + if (delete_def_file && def_file_name) + { + if (verbose) + { + if (dontdeltemps) + warn (_("Keeping temporary def file %s"), def_file_name); + else + warn (_("Deleting temporary def file %s"), 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 (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, prog_name, temp_base, + &errmsg_fmt, &errmsg_arg, PEXECUTE_ONE | PEXECUTE_SEARCH); + + if (pid == -1) + { + int errno_val = errno; + + fprintf (stderr, "%s: ", prog_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) + { + warn (_("pwait returns: %s"), strerror (errno)); + retcode = 1; + } + else if (WIFSIGNALED (wait_status)) + { + warn (_("subprocess got fatal signal %d"), WTERMSIG (wait_status)); + retcode = 1; + } + else if (WIFEXITED (wait_status)) + { + if (WEXITSTATUS (wait_status) != 0) + { + warn (_("%s exited with status %d"), what, WEXITSTATUS (wait_status)); + retcode = 1; + } + } + else + retcode = 1; + + return retcode; +} + +static char * +mybasename (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; +} + +/**********************************************************************/ + +static void +usage (FILE *file, int status) +{ + fprintf (file, _("Usage %s <option(s)> <object-file(s)>\n"), prog_name); + fprintf (file, _(" Generic options:\n")); + fprintf (file, _(" @<file> Read options from <file>\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"), prog_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, _(" --mno-cygwin Create Mingw DLL\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, _(" --no-leading-underscore Entrypoint without underscore\n")); + fprintf (file, _(" --leading-underscore Entrypoint with underscore.\n")); + fprintf (file, _(" Rest are passed unmodified to the language driver\n")); + fprintf (file, "\n\n"); + if (REPORT_BUGS_TO[0] && status == 0) + fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO); + 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) +#define OPTION_MNO_CYGWIN (OPTION_TARGET + 1) +#define OPTION_NO_LEADING_UNDERSCORE (OPTION_MNO_CYGWIN + 1) +#define OPTION_LEADING_UNDERSCORE (OPTION_NO_LEADING_UNDERSCORE + 1) + +/* DLLTOOL options. */ +#define OPTION_NODELETE (OPTION_LEADING_UNDERSCORE + 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}, + {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, + {"leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE}, + + /* 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_NO_LEADING_UNDERSCORE: + is_leading_underscore = 0; + break; + case OPTION_LEADING_UNDERSCORE: + is_leading_underscore = 1; + 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; + + if (! strncmp (target, "arm", 3)) + which_cpu = ARM_CPU; + else if (!strncmp (target, "x86_64", 6) + || !strncmp (target, "athlon64", 8) + || !strncmp (target, "amd64", 5)) + which_cpu = X64_CPU; + else if (target[0] == 'i' && (target[1] >= '3' && target[1] <= '6') + && target[2] == '8' && target[3] == '6') + which_cpu = X86_CPU; + else + which_cpu = UNKNOWN_CPU; + + if (is_leading_underscore == -1) + is_leading_underscore = (which_cpu != X64_CPU && which_cpu != ARM_CPU); + + /* 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 (is_leading_underscore == 0) + dyn_string_append_cstr (driver_cmdline, " --no-leading-underscore"); + else if (is_leading_underscore == 1) + dyn_string_append_cstr (driver_cmdline, " --leading-underscore"); + + if (! entry_point || strlen (entry_point) == 0) + { + const char *prefix = (is_leading_underscore != 0 ? "_" : ""); + const char *postfix = ""; + const char *name_entry; + + if (which_cpu == X86_CPU || which_cpu == UNKNOWN_CPU) + postfix = "@12"; + + switch (which_target) + { + case CYGWIN_TARGET: + name_entry = "_cygwin_dll_entry"; + break; + + case MINGW_TARGET: + name_entry = "DllMainCRTStartup"; + break; + + default: + name_entry = "DllMain"; + break; + } + entry_point = + (char *) malloc (strlen (name_entry) + strlen (prefix) + + strlen (postfix) + 1); + sprintf (entry_point, "%s%s%s", prefix, name_entry, postfix); + } + 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) + { + 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; +} |