static void
get_absolute_path(const char *src, char *buf, size_t buflen/*# elements*/)
{
drfront_status_t sc = drfront_get_absolute_path(src, buf, buflen);
if (sc != DRFRONT_SUCCESS)
fatal("failed (status=%d) to convert %s to an absolute path", sc, src);
}
drfront_status_t
drfront_get_app_full_path(const char *app, OUT char *buf, size_t buflen/*# elements*/)
{
bool res = false;
drfront_status_t status_check = DRFRONT_ERROR;
status_check = drfront_searchenv(app, "PATH", buf, buflen, &res);
if (status_check != DRFRONT_SUCCESS)
return status_check;
buf[buflen - 1] = '\0';
if (buf[0] == '\0') {
/* last try: expand w/ cur dir */
status_check = drfront_get_absolute_path(app, buf, buflen);
if (status_check != DRFRONT_SUCCESS)
return status_check;
buf[buflen - 1] = '\0';
}
return DRFRONT_SUCCESS;
}
int
_tmain(int argc, TCHAR *targv[])
{
int res = 1;
char **argv;
char dll[MAXIMUM_PATH];
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;
bool enum_lines = false;
#if defined(WINDOWS) && !defined(_UNICODE)
# error _UNICODE must be defined
#else
/* Convert to UTF-8 if necessary */
if (drfront_convert_args((const TCHAR **)targv, &argv, argc) != DRFRONT_SUCCESS) {
printf("ERROR: failed to process args\n");
return 1;
}
#endif
for (i = 1; i < argc; i++) {
if (_stricmp(argv[i], "-e") == 0) {
bool is_readable;
if (i+1 >= argc) {
PRINT_USAGE(argv[0]);
goto cleanup;
}
i++;
if (drfront_get_absolute_path(argv[i], dll, BUFFER_SIZE_ELEMENTS(dll)) !=
DRFRONT_SUCCESS) {
printf("ERROR: invalid path %s\n", argv[i]);
goto cleanup;
}
if (drfront_access(dll, DRFRONT_READ, &is_readable) != DRFRONT_SUCCESS ||
!is_readable) {
printf("ERROR: invalid path %s\n", argv[i]);
goto cleanup;
}
} 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]);
goto cleanup;
}
if (_stricmp(argv[i], "-a") == 0)
addr2sym = true;
else
sym2addr = true;
i++;
/* rest of args read below */
break;
} else if (_stricmp(argv[i], "--lines") == 0) {
enum_lines = true;
} 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]);
goto cleanup;
}
}
if ((!addr2sym_multi && dll == NULL) ||
(addr2sym_multi && dll != NULL) ||
(!sym2addr && !addr2sym && !addr2sym_multi && !enumerate_all && !enum_lines)) {
PRINT_USAGE(argv[0]);
goto cleanup;
}
dr_standalone_init();
if (dll != NULL) {
if (!check_architecture(dll, argv))
goto cleanup;
}
if (drsym_init(IF_WINDOWS_ELSE(NULL, 0)) != DRSYM_SUCCESS) {
printf("ERROR: unable to initialize symbol library\n");
goto cleanup;
}
if (!addr2sym_multi) {
if (enum_lines)
enumerate_lines(dll);
else 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], SIZE_FMT, &modoffs) == 1)
symquery_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
symquery_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"[^;];"SIZE_FMT, (char *)&modpath,
&modoffs) == 2) {
symquery_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");
res = 0;
cleanup:
if (drfront_cleanup_args(argv, argc) != DRFRONT_SUCCESS)
printf("WARNING: drfront_cleanup_args failed\n");
return res;
}
