#! /bin/sh

# Copyright (C) 2016 Red Hat, Inc.

# This file is part of elfutils.

#

# This file 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 3 of the License, or

# (at your option) any later version.

#

# elfutils 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/>.

. $srcdir/test-subr.sh

# This test file is created with

#

# #include <linux/bpf.h>

# #include <stdio.h>

#

# int main()

# {

#   int i;

#

#   printf("\t.text\n");

#

#   for (i = 0; i < 256; ++i)

#     if (i == (BPF_LD | BPF_IMM | BPF_DW))

#       printf("\t.byte\t%d, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0\n", i);

#     else

#       {

#         int regs = 0;

#         switch (BPF_CLASS(i))

#           {

#           case BPF_ALU:

#           case BPF_ALU64:

#             if (BPF_SRC(i) == BPF_X

#                 && BPF_OP(i) != BPF_NEG

#                 && BPF_OP(i) != BPF_END)

#               regs = 0x21;

#             break;

#           case BPF_LDX:

#           case BPF_STX:

#             regs = 0x21;

#             break;

#           }

#         printf("\t.byte\t%d, %d, 0, 0, 0, 0, 0, 0\n", i, regs);

#       }

#

#   return 0;

# }

#

# $ ./a.out | as -o z1.o

# $ objcopy -j .text z1.o z2.o

#

# Then emacs hexl edit e_machine to 0xf7.

testfiles testfile-bpf-dis1.o testfile-bpf-dis1.expect

testrun_compare ${abs_top_builddir}/src/objdump -d testfile-bpf-dis1.o < testfile-bpf-dis1.expect