1#! /bin/sh
2# Copyright (C) 2016 Red Hat, Inc.
3# This file is part of elfutils.
4#
5# This file is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 3 of the License, or
8# (at your option) any later version.
9#
10# elfutils is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
18. $srcdir/test-subr.sh
19
20# This test file is created with
21#
22# #include <linux/bpf.h>
23# #include <stdio.h>
24#
25# int main()
26# {
27#   int i;
28#
29#   printf("\t.text\n");
30#
31#   for (i = 0; i < 256; ++i)
32#     if (i == (BPF_LD | BPF_IMM | BPF_DW))
33#       printf("\t.byte\t%d, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0\n", i);
34#     else
35#       {
36#         int regs = 0;
37#         switch (BPF_CLASS(i))
38#           {
39#           case BPF_ALU:
40#           case BPF_ALU64:
41#             if (BPF_SRC(i) == BPF_X
42#                 && BPF_OP(i) != BPF_NEG
43#                 && BPF_OP(i) != BPF_END)
44#               regs = 0x21;
45#             break;
46#           case BPF_LDX:
47#           case BPF_STX:
48#             regs = 0x21;
49#             break;
50#           }
51#         printf("\t.byte\t%d, %d, 0, 0, 0, 0, 0, 0\n", i, regs);
52#       }
53#
54#   return 0;
55# }
56#
57# $ ./a.out | as -o z1.o
58# $ objcopy -j .text z1.o z2.o
59#
60# Then emacs hexl edit e_machine to 0xf7.
61
62testfiles testfile-bpf-dis1.o testfile-bpf-dis1.expect
63testrun_compare ${abs_top_builddir}/src/objdump -d testfile-bpf-dis1.o < testfile-bpf-dis1.expect
64