diff options
Diffstat (limited to 'tools/scmp_sys_resolver.c')
-rw-r--r-- | tools/scmp_sys_resolver.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/tools/scmp_sys_resolver.c b/tools/scmp_sys_resolver.c new file mode 100644 index 0000000..5bc593e --- /dev/null +++ b/tools/scmp_sys_resolver.c @@ -0,0 +1,95 @@ +/** + * Syscall resolver + * + * Copyright (c) 2012 Red Hat <pmoore@redhat.com> + * Author: Paul Moore <pmoore@redhat.com> + */ + +/* + * This library is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License as + * published by the Free Software Foundation. + * + * This library 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 Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, see <http://www.gnu.org/licenses>. + */ + +#include <errno.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#include "../src/arch.h" +#include "../src/arch-x86.h" +#include "../src/arch-x86_64.h" +#include "../src/arch-x32.h" +#include "../src/arch-arm.h" + +/** + * Print the usage information to stderr and exit + * @param program the name of the current program being invoked + * + * Print the usage information and exit with EINVAL. + * + */ +static void exit_usage(const char *program) +{ + fprintf(stderr, + "usage: %s [-h] [-a <arch>] [-t] <syscall_name>\n", + program); + exit(EINVAL); +} + +/** + * main + */ +int main(int argc, char *argv[]) +{ + int opt; + int translate = 0; + const struct arch_def *arch = arch_def_native; + int sys_num; + + /* parse the command line */ + while ((opt = getopt(argc, argv, "a:ht"))> 0) { + switch (opt) { + case 'a': + if (strcmp(optarg, "x86") == 0) + arch = &arch_def_x86; + else if (strcmp(optarg, "x86_64") == 0) + arch = &arch_def_x86_64; + else if (strcmp(optarg, "x32") == 0) + arch = &arch_def_x32; + else if (strcmp(optarg, "arm") == 0) + arch = &arch_def_arm; + else + exit_usage(argv[0]); + break; + case 't': + translate = 1; + break; + case 'h': + default: + /* usage information */ + exit_usage(argv[0]); + } + } + + /* sanity checks */ + if (optind >= argc) + exit_usage(argv[0]); + + sys_num = arch_syscall_resolve_name(arch, argv[optind]); + if (translate != 0) + /* we ignore errors and just output the resolved number */ + arch_syscall_rewrite(arch, 0, &sys_num); + printf("%d\n", sys_num); + + return 0; +} |