Bundle libseccomp 2.3.1

[linux-seccomp.git] / libseccomp / src / arch-syscall-dump.c

diff --git a/libseccomp/src/arch-syscall-dump.c b/libseccomp/src/arch-syscall-dump.c
new file mode 100644 (file)
index 0000000..636fd9a
--- /dev/null
+++ b/libseccomp/src/arch-syscall-dump.c
@@ -0,0 +1,150 @@
+/**
+ * Enhanced Seccomp Architecture Sycall Checker
+ *
+ * Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.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 <ctype.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <seccomp.h>
+
+#include "arch.h"
+#include "arch-x86.h"
+#include "arch-x86_64.h"
+#include "arch-x32.h"
+#include "arch-arm.h"
+#include "arch-mips.h"
+#include "arch-mips64.h"
+#include "arch-mips64n32.h"
+#include "arch-aarch64.h"
+#include "arch-ppc.h"
+#include "arch-ppc64.h"
+#include "arch-s390.h"
+#include "arch-s390x.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>] [-o <offset>]\n", program);
+       exit(EINVAL);
+}
+
+/**
+ * main
+ */
+int main(int argc, char *argv[])
+{
+       int opt;
+       const struct arch_def *arch = arch_def_native;
+       int offset = 0;
+       int iter;
+       int sys_num;
+       const char *sys_name;
+
+       /* parse the command line */
+       while ((opt = getopt(argc, argv, "a:o:h")) > 0) {
+               switch (opt) {
+               case 'a':
+                       arch = arch_def_lookup_name(optarg);
+                       if (arch == 0)
+                               exit_usage(argv[0]);
+                       break;
+               case 'o':
+                       offset = atoi(optarg);
+                       break;
+               case 'h':
+               default:
+                       /* usage information */
+                       exit_usage(argv[0]);
+               }
+       }
+
+       iter = 0;
+       do {
+               switch (arch->token) {
+               case SCMP_ARCH_X86:
+                       sys_name = x86_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_X86_64:
+                       sys_name = x86_64_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_X32:
+                       sys_name = x32_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_ARM:
+                       sys_name = arm_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_AARCH64:
+                       sys_name = aarch64_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_MIPS:
+               case SCMP_ARCH_MIPSEL:
+                       sys_name = mips_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_MIPS64:
+               case SCMP_ARCH_MIPSEL64:
+                       sys_name = mips64_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_MIPS64N32:
+               case SCMP_ARCH_MIPSEL64N32:
+                       sys_name = mips64n32_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_PPC:
+                       sys_name = ppc_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_PPC64:
+               case SCMP_ARCH_PPC64LE:
+                       sys_name = ppc64_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_S390:
+                       sys_name = s390_syscall_iterate_name(iter);
+                       break;
+               case SCMP_ARCH_S390X:
+                       sys_name = s390x_syscall_iterate_name(iter);
+                       break;
+               default:
+                       /* invalid arch */
+                       exit_usage(argv[0]);
+               }
+               if (sys_name != NULL) {
+                       sys_num = arch_syscall_resolve_name(arch, sys_name);
+                       if (offset > 0 && sys_num > 0)
+                               sys_num -= offset;
+
+                       /* output the results */
+                       printf("%s\t%d\n", sys_name, sys_num);
+
+                       /* next */
+                       iter++;
+               }
+       } while (sys_name != NULL);
+
+       return 0;
+}