# Copyright 2018 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/fuzzing/fuzzer.gni")
import("//build/test.gni")
import("//build/test/test_package.gni")

# A collection of utilities useful to debuggers and similar programs.

static_library("elflib") {
  sources = [ "elflib.cc" ]

  deps = [ "//zircon/system/public" ]

  public_deps = [ "//zircon/public/lib/fbl" ]

  # TODO(46795): UBSan has found an instance of undefined behavior in this target.
  # Disable UBSan for this target temporarily until it is migrated into CI/CQ.
  configs += [ "//build/config:temporarily_disable_ubsan_do_not_use" ]
}

# An example stripped binary. Originally copied from out/x64/cowsay.
# ARM64 binary generated with:
# fx set core.arm64 --with //examples/cowsay
# fx build
# cp out/default/exe.unstripped/cowsay \
#   src/lib/elflib/test_data/unstripped_example.arm64.elf
# ./prebuilt/third_party/clang/linux-x64/bin/llvm-objcopy \
#     --strip-sections out/default/exe.unstripped/cowsay \
#     src/lib/elflib/test_data/unstripped_example_stripped.arm64.elf
test("elflib_unittest") {
  sources = [ "elflib_unittest.cc" ]

  deps = [
    ":elflib",
    "//src/lib/fxl/test:gtest_main",
    "//third_party/googletest:gtest",
  ]
  public_configs = [ "//build/config:Wno-reorder-init-list" ]

  # TODO(46795): UBSan has found an instance of undefined behavior in this target.
  # Disable UBSan for this target temporarily until it is migrated into CI/CQ.
  configs += [ "//build/config:temporarily_disable_ubsan_do_not_use" ]
}

test_package("elflib_tests") {
  deps = [ ":elflib_unittest" ]

  tests = [
    {
      name = "elflib_unittest"
      environments = basic_envs
    },
  ]

  resources = [
    {
      path = "test_data/6d4d8ac190ecc7.debug"
      dest = "6d4d8ac190ecc7.debug"
    },
    {
      path = "test_data/stripped_example.elf"
      dest = "stripped_example.elf"
    },
    {
      path = "test_data/unstripped_example.arm64.elf"
      dest = "unstripped_example.arm64.elf"
    },
    {
      path = "test_data/unstripped_example.elf"
      dest = "unstripped_example.elf"
    },
    {
      path = "test_data/unstripped_example_stripped.arm64.elf"
      dest = "unstripped_example_stripped.arm64.elf"
    },
    {
      path = "test_data/unstripped_example_stripped.elf"
      dest = "unstripped_example_stripped.elf"
    },
  ]
}

group("tests") {
  testonly = true

  deps = [
    ":elflib_fuzzers",
    ":elflib_tests",
  ]
}

fuzzer("elflib_fuzzer") {
  sources = [ "elflib_fuzztest.cc" ]
  deps = [ ":elflib" ]
}

fuzzers_package("elflib_fuzzers") {
  fuzzers = [ ":elflib_fuzzer" ]
}