static file_t
open_sigil2_fifo(const char *path, int flags)
{
/* Wait for Sigil2 to create pipes
* Timeout is empirical */
uint max_tests = 10;
for(uint i=0; i<max_tests+1; ++i)
{
if(dr_file_exists(path))
break;
if(i == max_tests)
{
dr_printf("%s\n", path);
DR_ASSERT_MSG(false, "DrSigil timed out waiting for sigil2 fifos");
}
struct timespec ts;
ts.tv_sec = 0;
ts.tv_nsec = 200000000L;
nanosleep(&ts, NULL);
}
file_t f = dr_open_file(path, flags);
if(f == INVALID_FILE)
DR_ABORT_MSG("error opening empty fifo");
return f;
}
/* callbacks for the entire process */
void funcwrap_init(client_id_t id, const char * name, const char * arguments)
{
file_t in_file;
char logfilename[MAX_STRING_LENGTH];
drmgr_init();
drwrap_init();
tls_index = drmgr_register_tls_field();
DR_ASSERT(parse_commandline_args(arguments) == true);
head = md_initialize();
if (!dr_file_exists(client_arg->filter_filename)){
file_registered = false;
}
/* we expect the filter file to be of the form for function filtering */
else{
file_registered = true;
in_file = dr_open_file(client_arg->filter_filename, DR_FILE_READ);
DR_ASSERT(in_file != INVALID_FILE);
md_read_from_file(head, in_file, false);
dr_close_file(in_file);
}
if (log_mode){
populate_conv_filename(logfilename, logdir, name, NULL);
logfile = dr_open_file(logfilename, DR_FILE_WRITE_OVERWRITE);
}
strncpy(ins_pass_name, name, MAX_STRING_LENGTH);
}
int
main(int argc, char *argv[])
{
char *dll = NULL;
int i;
/* module + address per line */
char line[MAXIMUM_PATH*2];
size_t modoffs;
/* options that can be local vars */
bool addr2sym = false;
bool addr2sym_multi = false;
bool sym2addr = false;
bool enumerate = false;
bool enumerate_all = false;
bool search = false;
bool searchall = false;
for (i = 1; i < argc; i++) {
if (_stricmp(argv[i], "-e") == 0) {
if (i+1 >= argc) {
PRINT_USAGE(argv[0]);
return 1;
}
i++;
dll = argv[i];
if (
#ifdef WINDOWS
_access(dll, 4/*read*/) == -1
#else
!dr_file_exists(dll)
#endif
) {
printf("ERROR: invalid path %s\n", dll);
return 1;
}
} else if (_stricmp(argv[i], "-f") == 0) {
show_func = true;
} else if (_stricmp(argv[i], "-v") == 0) {
verbose = true;
} else if (_stricmp(argv[i], "-a") == 0 ||
_stricmp(argv[i], "-s") == 0) {
if (i+1 >= argc) {
PRINT_USAGE(argv[0]);
return 1;
}
if (_stricmp(argv[i], "-a") == 0)
addr2sym = true;
else
sym2addr = true;
i++;
/* rest of args read below */
break;
} else if (_stricmp(argv[i], "-q") == 0) {
addr2sym_multi = true;
} else if (_stricmp(argv[i], "--enum") == 0) {
enumerate = true;
} else if (_stricmp(argv[i], "--list") == 0) {
enumerate_all = true;
} else if (_stricmp(argv[i], "--search") == 0) {
search = true;
} else if (_stricmp(argv[i], "--searchall") == 0) {
search = true;
searchall = true;
} else {
PRINT_USAGE(argv[0]);
return 1;
}
}
if (((sym2addr || addr2sym) && dll == NULL) ||
(addr2sym_multi && dll != NULL) ||
(!sym2addr && !addr2sym && !addr2sym_multi && !enumerate_all)) {
PRINT_USAGE(argv[0]);
return 1;
}
dr_standalone_init();
if (drsym_init(IF_WINDOWS_ELSE(NULL, 0)) != DRSYM_SUCCESS) {
printf("ERROR: unable to initialize symbol library\n");
return 1;
}
if (!addr2sym_multi) {
if (enumerate_all)
enumerate_symbols(dll, NULL, search, searchall);
else {
/* kind of a hack: assumes i hasn't changed and that -s/-a is last option */
for (; i < argc; i++) {
if (addr2sym) {
if (sscanf(argv[i], "%x", (uint *)&modoffs) == 1)
lookup_address(dll, modoffs);
else
printf("ERROR: unknown input %s\n", argv[i]);
} else if (enumerate || search)
enumerate_symbols(dll, argv[i], search, searchall);
else
lookup_symbol(dll, argv[i]);
}
}
} else {
while (!feof(stdin)) {
char modpath[MAXIMUM_PATH];
if (fgets(line, sizeof(line), stdin) == NULL ||
/* when postprocess.pl closes the pipe, fgets is not
* returning, so using an alternative eof code
*/
strcmp(line, ";exit\n") == 0)
break;
/* Ensure we support spaces in paths by using ; to split.
* Since ; separates PATH, no Windows dll will have ; in its name.
*/
if (sscanf(line, "%"MAX_PATH_STR"[^;];%x", (char *)&modpath,
(uint *)&modoffs) == 2) {
lookup_address(modpath, modoffs);
fflush(stdout); /* ensure flush in case piped */
} else if (verbose)
printf("Error: unknown input %s\n", line);
}
}
if (drsym_exit() != DRSYM_SUCCESS)
printf("WARNING: error cleaning up symbol library\n");
return 0;
}
