# Copyright 2016 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. group("afl") { deps = [ ":afl-cmin", ":afl-fuzz", ":afl-showmap", ":afl-tmin", ":afl_docs", ":afl_runtime", ] } source_set("afl_runtime") { # AFL needs this flag to be built with -Werror. This is because it uses u8* # and char* types interchangeably in its source code. The AFL Makefiles use # this flag. cflags = [ "-Wno-pointer-sign" ] configs -= [ # These functions should not be compiled with sanitizers since they # are used by the sanitizers. "//build/config/sanitizers:default_sanitizer_flags", # Every function in this library should have "default" visibility. # Thus we turn off flags which make visibility "hidden" for functions # that do not specify visibility. # The functions in this library will not conflict with others elsewhere # because they begin with a double underscore and/or are static. "//build/config/gcc:symbol_visibility_hidden", ] sources = [ "src/llvm_mode/afl-llvm-rt.o.c" ] } afl_headers = [ "src/alloc-inl.h", "src/config.h", "src/debug.h", "src/types.h", "src/hash.h", ] config("afl-tool") { cflags = [ # Include flags from afl's Makefile. "-O3", "-funroll-loops", "-D_FORTIFY_SOURCE=2", # These flags are necessary to build with -Werror. "-Wno-sign-compare", "-Wno-pointer-sign", # afl_docs copies docs/ to this location. "-DDOC_PATH=\"$root_build_dir/afl/docs/\"", # This flag is needed for compilation but is only used for QEMU mode which # we do not use. Therefore its value is unimportant. "-DBIN_PATH=\"$root_build_dir\"", ] } copy("afl-cmin") { # afl-cmin is a bash script used to minimize the corpus, therefore we can just # copy it over. sources = [ "src/afl-cmin" ] outputs = [ "$root_build_dir/{{source_file_part}}" ] deps = [ ":afl-showmap" ] } copy("afl_docs") { # Copy the docs folder. This is so that we can use a real value for for # -DDOC_PATH when compiling. sources = [ "src/docs" ] outputs = [ "$root_build_dir/afl/{{source_file_part}}" ] } executable("afl-fuzz") { # Used to fuzz programs. configs -= [ "//build/config/sanitizers:default_sanitizer_flags" ] configs += [ ":afl-tool" ] no_default_deps = true sources = [ "src/afl-fuzz.c" ] sources += afl_headers } executable("afl-tmin") { configs -= [ "//build/config/sanitizers:default_sanitizer_flags" ] configs += [ ":afl-tool" ] no_default_deps = true sources = [ "src/afl-tmin.c" ] sources += afl_headers } executable("afl-showmap") { configs -= [ "//build/config/sanitizers:default_sanitizer_flags" ] configs += [ ":afl-tool" ] no_default_deps = true sources = [ "src/afl-showmap.c" ] sources += afl_headers }