/* * Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ /* * objtool orc: * * This command analyzes a .o file and adds .orc_unwind and .orc_unwind_ip * sections to it, which is used by the in-kernel ORC unwinder. * * This command is a superset of "objtool check". */ #include <string.h> #include "builtin.h" #include "check.h" static const char *orc_usage[] = { "objtool orc generate [<options>] file.o", "objtool orc dump file.o", NULL, }; int cmd_orc(int argc, const char **argv) { const char *objname; argc--; argv++; if (argc <= 0) usage_with_options(orc_usage, check_options); if (!strncmp(argv[0], "gen", 3)) { argc = parse_options(argc, argv, check_options, orc_usage, 0); if (argc != 1) usage_with_options(orc_usage, check_options); objname = argv[0]; return check(objname, true); } if (!strcmp(argv[0], "dump")) { if (argc != 2) usage_with_options(orc_usage, check_options); objname = argv[1]; return orc_dump(objname); } usage_with_options(orc_usage, check_options); return 0; }