50 lines
1.5 KiB
Plaintext
50 lines
1.5 KiB
Plaintext
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# This file introduces a templates for defining fuzzers.
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#
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# All parameters valid for executable() targets are valid (cflags, defines,
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# deps, include_dirs, sources, ...). In addition to that:
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#
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# dummy_main (required)
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# Path to a cpp file containing main(), used when neither
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# llvm_use_sanitize_coverage nor llvm_use_sanitize_coverage are set.
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#
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# Example of usage:
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#
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# fuzzer("llvm-opt-fuzzer") {
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# deps = [ ... ]
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# dummy_main = "DummyOptFuzzer.cpp"
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# sources = [ "llvm-opt-fuzzer.cpp" ]
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# }
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declare_args() {
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# Set to the path of a static library containing a fuzzing engine, e.g.
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# oss-fuzz's $LIB_FUZZING_ENGINE.
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llvm_lib_fuzzing_engine = ""
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# If true, pass -fsanitize=fuzzer to the compiler for fuzzer() targets.
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# Likely only makes sense to set if you know that the host compiler is clang.
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llvm_use_sanitize_coverage = false
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}
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template("fuzzer") {
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assert(defined(invoker.dummy_main), "must set 'dummy_main' in $target_name")
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assert(defined(invoker.sources), "must set 'sources' for $target_name")
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executable(target_name) {
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forward_variables_from(invoker, "*", [ "dummy_main" ])
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if (llvm_lib_fuzzing_engine != "") {
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if (!defined(libs)) {
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libs = []
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}
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libs += [ llvm_lib_fuzzing_engine ]
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not_needed(invoker, [ "dummy_main" ])
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} else if (llvm_use_sanitize_coverage) {
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if (!defined(cflags)) {
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cflags = []
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}
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cflags += [ "-fsanitize=fuzzer" ]
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not_needed(invoker, [ "dummy_main" ])
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} else {
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sources += [ invoker.dummy_main ]
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}
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}
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}
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