utils/gn/secondary/compiler-rt/lib/hwasan/BUILD.gn

import("//clang/resource_dir.gni")

# FIXME: Make this support more platforms.
assert(current_os == "android")

runtime_output_dir = "$clang_resource_dir/lib/linux"
runtime_target = "aarch64-android"

action("version_script") {
  script = "//compiler-rt/lib/sanitizer_common/scripts/gen_dynamic_list.py"
  sources = [
    "hwasan.syms.extra",
  ]
  deps = [
    ":hwasan",
    ":hwasan_cxx",
  ]
  outputs = [
    "$target_gen_dir/hwasan.vers",
  ]
  args = [
    "--version-list",
    "--extra",
    rebase_path(sources[0], root_build_dir),
    rebase_path("$runtime_output_dir/libclang_rt.hwasan-$runtime_target.a",
                root_build_dir),
    rebase_path("$runtime_output_dir/libclang_rt.hwasan_cxx-$runtime_target.a",
                root_build_dir),
    "-o",
    rebase_path(outputs[0], root_build_dir),
  ]
}

source_set("sources") {
  configs -= [ "//llvm/utils/gn/build:llvm_code" ]
  configs += [ "//llvm/utils/gn/build:crt_code" ]
  defines = [ "HWASAN_WITH_INTERCEPTORS=1" ]
  deps = [
    "//compiler-rt/lib/interception:sources",
    "//compiler-rt/lib/sanitizer_common:sources",
    "//compiler-rt/lib/ubsan:sources",
  ]
  sources = [
    "hwasan.cc",
    "hwasan_allocator.cc",
    "hwasan_dynamic_shadow.cc",
    "hwasan_interceptors.cc",
    "hwasan_linux.cc",
    "hwasan_memintrinsics.cc",
    "hwasan_poisoning.cc",
    "hwasan_report.cc",
    "hwasan_thread.cc",
    "hwasan_thread_list.cc",
  ]
}

source_set("cxx_sources") {
  configs -= [ "//llvm/utils/gn/build:llvm_code" ]
  configs += [ "//llvm/utils/gn/build:crt_code" ]
  deps = [
    "//compiler-rt/lib/ubsan:cxx_sources",
  ]
  sources = [
    "hwasan_new_delete.cc",
  ]
}

static_library("hwasan") {
  output_dir = runtime_output_dir
  output_name = "clang_rt.hwasan-$runtime_target"
  complete_static_lib = true
  configs -= [ "//llvm/utils/gn/build:llvm_code" ]
  configs += [ "//llvm/utils/gn/build:crt_code" ]
  deps = [
    ":sources",
  ]
}

static_library("hwasan_cxx") {
  output_dir = runtime_output_dir
  output_name = "clang_rt.hwasan_cxx-$runtime_target"
  complete_static_lib = true
  configs -= [ "//llvm/utils/gn/build:llvm_code" ]
  configs += [ "//llvm/utils/gn/build:crt_code" ]
  deps = [
    ":cxx_sources",
  ]
}

shared_library("hwasan_shared") {
  output_dir = runtime_output_dir
  output_name = "clang_rt.hwasan-$runtime_target"
  configs -= [ "//llvm/utils/gn/build:llvm_code" ]
  configs += [ "//llvm/utils/gn/build:crt_code" ]
  deps = [
    ":cxx_sources",
    ":sources",
    ":version_script",
  ]
  inputs = [
    "$target_gen_dir/hwasan.vers",
  ]
  ldflags = [
    "-Wl,--version-script," + rebase_path(inputs[0], root_build_dir),
    "-Wl,-z,global",
  ]
}