Sweden-Number/tools/winedump/main.c

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/*
* Option processing and main()
*
* Copyright 2000 Jon Griffiths
*/
#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;
globals.input_name = arg;
}
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;
globals.input_name = arg;
}
static void do_dump (const char *arg)
{
if (globals.mode != NONE) fatal("Only one mode can be specified\n");
globals.mode = DUMP;
globals.do_code = 1;
globals.input_name = arg;
}
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_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, 2, do_demangle, "sym <sym> Demangle C++ symbol <sym> and exit"},
{"spec", SPEC, 2, 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'"},
{"-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, 2, 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)"},
{"-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>] [mode options]\n");
printf ("When used in -h mode\n");
for (opt = option_table; opt->name; opt++)
if (opt->mode == NONE)
printf (" %s\n", opt->usage);
printf ("When used in sym mode\n");
for (opt = option_table; opt->name; opt++)
if (opt->mode == DMGL)
printf (" %s\n", opt->usage);
printf ("When used in spec mode\n");
for (opt = option_table; opt->name; opt++)
if (opt->mode == SPEC)
printf (" %s\n", opt->usage);
printf ("When used in dump mode\n");
for (opt = option_table; opt->name; opt++)
if (opt->mode == DUMP)
printf (" %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)
fatal ("Unrecognized option");
if (opt->has_arg && arg != NULL)
opt->func (arg);
else
opt->func ("");
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)) : "";
}
/*******************************************************************
* 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;
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:
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 && count >= globals.start_ordinal
&& (!globals.end_ordinal || count <= globals.end_ordinal))
{
/* 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);
symbol_clear (&symbol);
}
output_makefile ();
output_install_script ();
if (VERBOSE)
puts ("Finished, Cleaning up...");
break;
case NONE:
do_usage();
break;
case DUMP:
set_module_name(0);
dump_file(globals.input_name);
break;
}
return 0;
}