diff options
Diffstat (limited to 'tools/scmp_sys_resolver.c')
| -rw-r--r-- | tools/scmp_sys_resolver.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/tools/scmp_sys_resolver.c b/tools/scmp_sys_resolver.c index 5bc593e..7e627d4 100644 --- a/tools/scmp_sys_resolver.c +++ b/tools/scmp_sys_resolver.c @@ -22,6 +22,7 @@ #include <errno.h> #include <stdlib.h> #include <stdio.h> +#include <ctype.h> #include <string.h> #include <unistd.h> @@ -41,7 +42,7 @@ static void exit_usage(const char *program) { fprintf(stderr, - "usage: %s [-h] [-a <arch>] [-t] <syscall_name>\n", + "usage: %s [-h] [-a <arch>] [-t] <name>|<number>\n", program); exit(EINVAL); } @@ -55,6 +56,7 @@ int main(int argc, char *argv[]) int translate = 0; const struct arch_def *arch = arch_def_native; int sys_num; + const char *sys_name; /* parse the command line */ while ((opt = getopt(argc, argv, "a:ht"))> 0) { @@ -85,11 +87,18 @@ int main(int argc, char *argv[]) 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); + /* perform the syscall lookup */ + if (isdigit(argv[optind][0]) || argv[optind][0] == '-') { + sys_num = atoi(argv[optind]); + sys_name = arch_syscall_resolve_num(arch, sys_num); + printf("%s\n", sys_name); + } else { + sys_num = arch_syscall_resolve_name(arch, argv[optind]); + if (translate != 0) + /* ignore errors and just output the resolved number */ + arch_syscall_rewrite(arch, 0, &sys_num); + printf("%d\n", sys_num); + } return 0; } |