Sweden-Number/tools/winedump/main.c

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/*
* Option processing and main()
*
* Copyright 2000 Jon Griffiths
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
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#include "config.h"
#include "winedump.h"
_globals globals; /* All global variables */
static void do_include (const char *arg)
{
globals.directory = arg;
globals.do_code = 1;
}
static inline const char* strip_ext (const char *str)
{
char *ext = strstr(str, ".dll");
if (ext)
return str_substring (str, ext);
else
return strdup (str);
}
static void do_name (const char *arg)
{
globals.dll_name = strip_ext (arg);
}
static void do_spec (const char *arg)
{
if (globals.mode != NONE) fatal("Only one mode can be specified\n");
globals.mode = SPEC;
}
static void do_demangle (const char *arg)
{
if (globals.mode != NONE) fatal("Only one mode can be specified\n");
globals.mode = DMGL;
globals.do_code = 1;
}
static void do_dump (const char *arg)
{
if (globals.mode != NONE) fatal("Only one mode can be specified\n");
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globals.mode = DUMP;
globals.do_code = 1;
}
static void do_code (void)
{
globals.do_code = 1;
}
static void do_trace (void)
{
globals.do_trace = 1;
globals.do_code = 1;
}
static void do_forward (const char *arg)
{
globals.forward_dll = arg;
globals.do_trace = 1;
globals.do_code = 1;
}
static void do_document (void)
{
globals.do_documentation = 1;
}
static void do_cdecl (void)
{
globals.do_cdecl = 1;
}
static void do_quiet (void)
{
globals.do_quiet = 1;
}
static void do_start (const char *arg)
{
globals.start_ordinal = atoi (arg);
if (!globals.start_ordinal)
fatal ("Invalid -s option (must be numeric)");
}
static void do_end (const char *arg)
{
globals.end_ordinal = atoi (arg);
if (!globals.end_ordinal)
fatal ("Invalid -e option (must be numeric)");
}
static void do_symfile (const char *arg)
{
FILE *f;
char symstring[256]; /* keep count with "%<width>s" below */
search_symbol *symbolp,**symbolptail = &globals.search_symbol;
if (!(f = fopen(arg, "rt")))
fatal ("Cannot open <symfile>");
while (1 == fscanf(f, "%255s", symstring)) /* keep count with [<width>] above */
{
symstring[sizeof(symstring)-1] = '\0';
if (!(symbolp = malloc(sizeof(*symbolp) + strlen(symstring))))
fatal ("Out of memory");
strcpy(symbolp->symbolname, symstring);
symbolp->found = 0;
symbolp->next = NULL;
*symbolptail = symbolp;
symbolptail = &symbolp->next;
}
if (fclose(f))
fatal ("Cannot close <symfile>");
}
static void do_verbose (void)
{
globals.do_verbose = 1;
}
static void do_symdmngl (void)
{
globals.do_demangle = 1;
}
static void do_dumphead (void)
{
globals.do_dumpheader = 1;
}
static void do_dumpsect (const char* arg)
{
globals.dumpsect = arg;
}
static void do_dumpall(void)
{
globals.do_dumpheader = 1;
globals.dumpsect = "ALL";
}
struct option
{
const char *name;
Mode mode;
int has_arg;
void (*func) ();
const char *usage;
};
static const struct option option_table[] = {
{"-h", NONE, 0, do_usage, "-h Display this help message"},
{"sym", DMGL, 0, do_demangle, "sym <sym> Demangle C++ symbol <sym> and exit"},
{"spec", SPEC, 0, do_spec, "spec <dll> Use dll for input file and generate implementation code"},
{"-I", SPEC, 1, do_include, "-I dir Look for prototypes in 'dir' (implies -c)"},
{"-c", SPEC, 0, do_code, "-c Generate skeleton code (requires -I)"},
{"-t", SPEC, 0, do_trace, "-t TRACE arguments (implies -c)"},
{"-f", SPEC, 1, do_forward, "-f dll Forward calls to 'dll' (implies -t)"},
{"-D", SPEC, 0, do_document, "-D Generate documentation"},
{"-o", SPEC, 1, do_name, "-o name Set the output dll name (default: dll)"},
{"-C", SPEC, 0, do_cdecl, "-C Assume __cdecl calls (default: __stdcall)"},
{"-s", SPEC, 1, do_start, "-s num Start prototype search after symbol 'num'"},
{"-e", SPEC, 1, do_end, "-e num End prototype search after symbol 'num'"},
{"-S", SPEC, 1, do_symfile, "-S symfile Search only prototype names found in 'symfile'"},
{"-q", SPEC, 0, do_quiet, "-q Don't show progress (quiet)."},
{"-v", SPEC, 0, do_verbose, "-v Show lots of detail while working (verbose)."},
{"dump", DUMP, 0, do_dump, "dump <mod> Dumps the content of the module (dll, exe...) named <mod>"},
{"-C", DUMP, 0, do_symdmngl, "-C Turns on symbol demangling"},
{"-f", DUMP, 0, do_dumphead, "-f Dumps file header information"},
{"-j", DUMP, 1, do_dumpsect, "-j sect_name Dumps only the content of section sect_name (import, export, debug, resource, tls)"},
{"-x", DUMP, 0, do_dumpall, "-x Dumps everything"},
{NULL, NONE, 0, NULL, NULL}
};
void do_usage (void)
{
const struct option *opt;
printf ("Usage: winedump [-h | sym <sym> | spec <dll> | dump <dll>]\n");
printf ("Mode options (can be put as the mode (sym/spec/dump...) is declared):\n");
printf ("\tWhen used in -h mode\n");
for (opt = option_table; opt->name; opt++)
if (opt->mode == NONE)
printf ("\t %s\n", opt->usage);
printf ("\tWhen used in sym mode\n");
for (opt = option_table; opt->name; opt++)
if (opt->mode == DMGL)
printf ("\t %s\n", opt->usage);
printf ("\tWhen used in spec mode\n");
for (opt = option_table; opt->name; opt++)
if (opt->mode == SPEC)
printf ("\t %s\n", opt->usage);
printf ("\tWhen used in dump mode\n");
for (opt = option_table; opt->name; opt++)
if (opt->mode == DUMP)
printf ("\t %s\n", opt->usage);
puts ("\n");
exit (1);
}
/*******************************************************************
* parse_options
*
* Parse options from the argv array
*/
static void parse_options (char *argv[])
{
const struct option *opt;
char *const *ptr;
const char *arg = NULL;
ptr = argv + 1;
while (*ptr != NULL)
{
for (opt = option_table; opt->name; opt++)
{
if (globals.mode != NONE && opt->mode != NONE && globals.mode != opt->mode)
continue;
if (((opt->has_arg == 1) && !strncmp (*ptr, opt->name, strlen (opt->name))) ||
((opt->has_arg == 2) && !strcmp (*ptr, opt->name)))
{
arg = *ptr + strlen (opt->name);
if (*arg == '\0') arg = *++ptr;
break;
}
if (!strcmp (*ptr, opt->name))
{
arg = NULL;
break;
}
}
if (!opt->name)
{
if ((*ptr)[0] == '-')
fatal ("Unrecognized option");
if (globals.input_name != NULL)
fatal ("Only one file can be treated at once");
globals.input_name = *ptr;
}
else if (opt->has_arg && arg != NULL)
opt->func (arg);
else
opt->func ("");
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ptr++;
}
if (globals.mode == SPEC && globals.do_code && !globals.directory)
fatal ("-I must be used if generating code");
if (VERBOSE && QUIET)
fatal ("Options -v and -q are mutually exclusive");
}
static void set_module_name(unsigned setUC)
{
const char* ptr;
char* buf;
int len;
/* FIXME: we shouldn't assume all module extensions are .dll in winedump
* in some cases, we could have some .drv for example
*/
/* get module name from name */
if ((ptr = strrchr (globals.input_name, '/')))
ptr++;
else
ptr = globals.input_name;
len = strlen(ptr);
if (len > 4 && strcmp(ptr + len - 4, ".dll") == 0)
len -= 4;
buf = malloc(len + 1);
memcpy(buf, (void*)ptr, len);
buf[len] = 0;
globals.input_module = buf;
OUTPUT_UC_DLL_NAME = (setUC) ? str_toupper( strdup (OUTPUT_DLL_NAME)) : "";
}
/* Marks the symbol as 'found'! */
/* return: perform-search */
static int symbol_searched(int count, const char *symbolname)
{
search_symbol *search_symbol;
if (!(count >= globals.start_ordinal
&& (!globals.end_ordinal || count <= globals.end_ordinal)))
return 0;
if (!globals.search_symbol)
return 1;
for (search_symbol = globals.search_symbol;
search_symbol;
search_symbol = search_symbol->next)
{
if (!strcmp(symbolname, search_symbol->symbolname))
{
search_symbol->found = 1;
return 1;
}
}
return 0;
}
/* return: some symbols weren't found */
static int symbol_finish(void)
{
const search_symbol *search_symbol;
int started = 0;
for (search_symbol = globals.search_symbol;
search_symbol;
search_symbol = search_symbol->next)
{
if (search_symbol->found)
continue;
if (!started)
{
/* stderr? not a practice here */
puts("These requested <symfile> symbols weren't found:");
started = 1;
}
printf("\t%s\n",search_symbol->symbolname);
}
return started;
}
/*******************************************************************
* main
*/
#ifdef __GNUC__
int main (int argc __attribute__((unused)), char *argv[])
#else
int main (int argc, char *argv[])
#endif
{
parsed_symbol symbol;
int count = 0;
globals.mode = NONE;
globals.forward_dll = NULL;
globals.input_name = NULL;
parse_options (argv);
memset (&symbol, 0, sizeof (parsed_symbol));
switch (globals.mode)
{
case DMGL:
globals.uc_dll_name = "";
VERBOSE = 1;
symbol_init (&symbol, globals.input_name);
globals.input_module = "";
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if (symbol_demangle (&symbol) == -1)
fatal( "Symbol hasn't got a mangled name\n");
if (symbol.flags & SYM_DATA)
printf (symbol.arg_text[0]);
else
output_prototype (stdout, &symbol);
fputc ('\n', stdout);
symbol_clear(&symbol);
break;
case SPEC:
if (globals.input_name == NULL)
fatal("No file name has been given\n");
set_module_name(1);
dll_open (globals.input_name);
output_spec_preamble ();
output_header_preamble ();
output_c_preamble ();
while (!dll_next_symbol (&symbol))
{
count++;
if (NORMAL)
printf ("Export %3d - '%s' ...%c", count, symbol.symbol,
VERBOSE ? '\n' : ' ');
if (globals.do_code && symbol_searched(count, symbol.symbol))
{
/* Attempt to get information about the symbol */
int result = symbol_demangle (&symbol);
if (result)
result = symbol_search (&symbol);
if (!result && symbol.function_name)
/* Clean up the prototype */
symbol_clean_string (symbol.function_name);
if (NORMAL)
puts (result ? "[Not Found]" : "[OK]");
}
else if (NORMAL)
puts ("[Ignoring]");
output_spec_symbol (&symbol);
output_header_symbol (&symbol);
output_c_symbol (&symbol);
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symbol_clear (&symbol);
}
output_makefile ();
output_install_script ();
if (VERBOSE)
puts ("Finished, Cleaning up...");
if (symbol_finish())
return 1;
break;
case NONE:
do_usage();
break;
case DUMP:
if (globals.input_name == NULL)
fatal("No file name has been given\n");
set_module_name(0);
dump_file(globals.input_name);
break;
}
return 0;
}