1442f04c3SJosh Poimboeuf /* 2*dcc914f4SJosh Poimboeuf * Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com> 3442f04c3SJosh Poimboeuf * 4442f04c3SJosh Poimboeuf * This program is free software; you can redistribute it and/or 5442f04c3SJosh Poimboeuf * modify it under the terms of the GNU General Public License 6442f04c3SJosh Poimboeuf * as published by the Free Software Foundation; either version 2 7442f04c3SJosh Poimboeuf * of the License, or (at your option) any later version. 8442f04c3SJosh Poimboeuf * 9442f04c3SJosh Poimboeuf * This program is distributed in the hope that it will be useful, 10442f04c3SJosh Poimboeuf * but WITHOUT ANY WARRANTY; without even the implied warranty of 11442f04c3SJosh Poimboeuf * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12442f04c3SJosh Poimboeuf * GNU General Public License for more details. 13442f04c3SJosh Poimboeuf * 14442f04c3SJosh Poimboeuf * You should have received a copy of the GNU General Public License 15442f04c3SJosh Poimboeuf * along with this program; if not, see <http://www.gnu.org/licenses/>. 16442f04c3SJosh Poimboeuf */ 17442f04c3SJosh Poimboeuf 18442f04c3SJosh Poimboeuf /* 19442f04c3SJosh Poimboeuf * objtool check: 20442f04c3SJosh Poimboeuf * 21442f04c3SJosh Poimboeuf * This command analyzes every .o file and ensures the validity of its stack 22442f04c3SJosh Poimboeuf * trace metadata. It enforces a set of rules on asm code and C inline 23442f04c3SJosh Poimboeuf * assembly code so that stack traces can be reliable. 24442f04c3SJosh Poimboeuf * 25442f04c3SJosh Poimboeuf * For more information, see tools/objtool/Documentation/stack-validation.txt. 26442f04c3SJosh Poimboeuf */ 27442f04c3SJosh Poimboeuf 28442f04c3SJosh Poimboeuf #include <subcmd/parse-options.h> 29442f04c3SJosh Poimboeuf #include "builtin.h" 30*dcc914f4SJosh Poimboeuf #include "check.h" 31442f04c3SJosh Poimboeuf 32*dcc914f4SJosh Poimboeuf bool nofp; 33442f04c3SJosh Poimboeuf 34*dcc914f4SJosh Poimboeuf static const char * const check_usage[] = { 35442f04c3SJosh Poimboeuf "objtool check [<options>] file.o", 36442f04c3SJosh Poimboeuf NULL, 37442f04c3SJosh Poimboeuf }; 38442f04c3SJosh Poimboeuf 39*dcc914f4SJosh Poimboeuf const struct option check_options[] = { 40442f04c3SJosh Poimboeuf OPT_BOOLEAN('f', "no-fp", &nofp, "Skip frame pointer validation"), 41442f04c3SJosh Poimboeuf OPT_END(), 42442f04c3SJosh Poimboeuf }; 43442f04c3SJosh Poimboeuf 44*dcc914f4SJosh Poimboeuf int cmd_check(int argc, const char **argv) 45*dcc914f4SJosh Poimboeuf { 46*dcc914f4SJosh Poimboeuf const char *objname; 47*dcc914f4SJosh Poimboeuf 48*dcc914f4SJosh Poimboeuf argc = parse_options(argc, argv, check_options, check_usage, 0); 49442f04c3SJosh Poimboeuf 50442f04c3SJosh Poimboeuf if (argc != 1) 51*dcc914f4SJosh Poimboeuf usage_with_options(check_usage, check_options); 52442f04c3SJosh Poimboeuf 53442f04c3SJosh Poimboeuf objname = argv[0]; 54442f04c3SJosh Poimboeuf 55*dcc914f4SJosh Poimboeuf return check(objname, nofp); 56442f04c3SJosh Poimboeuf } 57