134 lines
4.5 KiB
Rust
134 lines
4.5 KiB
Rust
//! build.rs for `libafl_targets`
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use std::{env, fs::File, io::Write, path::Path};
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fn main() {
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let out_dir = env::var_os("OUT_DIR").unwrap();
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let out_dir = out_dir.to_string_lossy().to_string();
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//let out_dir_path = Path::new(&out_dir);
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let src_dir = Path::new("src");
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let dest_path = Path::new(&out_dir).join("constants.rs");
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let mut constants_file = File::create(dest_path).expect("Could not create file");
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let edges_map_size: usize = option_env!("LIBAFL_EDGES_MAP_SIZE")
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.map_or(Ok(65536), str::parse)
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.expect("Could not parse LIBAFL_EDGES_MAP_SIZE");
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let cmp_map_size: usize = option_env!("LIBAFL_CMP_MAP_SIZE")
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.map_or(Ok(65536), str::parse)
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.expect("Could not parse LIBAFL_CMP_MAP_SIZE");
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let cmplog_map_w: usize = option_env!("LIBAFL_CMPLOG_MAP_W")
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.map_or(Ok(65536), str::parse)
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.expect("Could not parse LIBAFL_CMPLOG_MAP_W");
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let cmplog_map_h: usize = option_env!("LIBAFL_CMPLOG_MAP_H")
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.map_or(Ok(32), str::parse)
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.expect("Could not parse LIBAFL_CMPLOG_MAP_H");
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let acc_map_size: usize = option_env!("LIBAFL_ACCOUNTING_MAP_SIZE")
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.map_or(Ok(65536), str::parse)
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.expect("Could not parse LIBAFL_ACCOUNTING_MAP_SIZE");
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write!(
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constants_file,
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"// These constants are autogenerated by build.rs
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/// The size of the edges map
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pub const EDGES_MAP_SIZE: usize = {};
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/// The size of the cmps map
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pub const CMP_MAP_SIZE: usize = {};
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/// The width of the `CmpLog` map
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pub const CMPLOG_MAP_W: usize = {};
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/// The height of the `CmpLog` map
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pub const CMPLOG_MAP_H: usize = {};
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/// The size of the accounting maps
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pub const ACCOUNTING_MAP_SIZE: usize = {};
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",
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edges_map_size, cmp_map_size, cmplog_map_w, cmplog_map_h, acc_map_size
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)
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.expect("Could not write file");
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println!("cargo:rerun-if-env-changed=LIBAFL_EDGES_MAP_SIZE");
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println!("cargo:rerun-if-env-changed=LIBAFL_CMP_MAP_SIZE");
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println!("cargo:rerun-if-env-changed=LIBAFL_CMPLOG_MAP_W");
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println!("cargo:rerun-if-env-changed=LIBAFL_CMPLOG_MAP_H");
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println!("cargo:rerun-if-env-changed=LIBAFL_ACCOUNTING_MAP_SIZE");
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//std::env::set_var("CC", "clang");
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//std::env::set_var("CXX", "clang++");
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#[cfg(any(feature = "sancov_value_profile", feature = "sancov_cmplog"))]
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{
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println!("cargo:rerun-if-changed=src/sancov_cmp.c");
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let mut sancov_cmp = cc::Build::new();
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#[cfg(feature = "sancov_value_profile")]
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{
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sancov_cmp.define("SANCOV_VALUE_PROFILE", "1");
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println!("cargo:rerun-if-changed=src/value_profile.h");
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}
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#[cfg(feature = "sancov_cmplog")]
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{
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sancov_cmp.define("SANCOV_CMPLOG", "1");
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}
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sancov_cmp
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.define("CMP_MAP_SIZE", Some(&*format!("{cmp_map_size}")))
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.define("CMPLOG_MAP_W", Some(&*format!("{cmplog_map_w}")))
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.define("CMPLOG_MAP_H", Some(&*format!("{cmplog_map_h}")))
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.file(src_dir.join("sancov_cmp.c"))
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.compile("sancov_cmp");
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}
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#[cfg(feature = "libfuzzer")]
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{
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println!("cargo:rerun-if-changed=src/libfuzzer.c");
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cc::Build::new()
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.file(src_dir.join("libfuzzer.c"))
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.compile("libfuzzer");
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}
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println!("cargo:rerun-if-changed=src/common.h");
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println!("cargo:rerun-if-changed=src/common.c");
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let mut common = cc::Build::new();
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#[cfg(feature = "sanitizers_flags")]
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{
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common.define("DEFAULT_SANITIZERS_OPTIONS", "1");
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}
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common.file(src_dir.join("common.c")).compile("common");
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println!("cargo:rerun-if-changed=src/coverage.c");
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cc::Build::new()
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.file(src_dir.join("coverage.c"))
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.define("EDGES_MAP_SIZE", Some(&*format!("{edges_map_size}")))
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.define("ACCOUNTING_MAP_SIZE", Some(&*format!("{acc_map_size}")))
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.compile("coverage");
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println!("cargo:rerun-if-changed=src/cmplog.h");
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println!("cargo:rerun-if-changed=src/cmplog.c");
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cc::Build::new()
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.define("CMPLOG_MAP_W", Some(&*format!("{cmplog_map_w}")))
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.define("CMPLOG_MAP_H", Some(&*format!("{cmplog_map_h}")))
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.file(src_dir.join("cmplog.c"))
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.compile("cmplog");
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#[cfg(any(target_os = "linux"))]
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{
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println!("cargo:rerun-if-changed=src/forkserver.c");
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cc::Build::new()
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.file(src_dir.join("forkserver.c"))
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.compile("forkserver");
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}
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println!("cargo:rustc-link-search=native={}", &out_dir);
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println!("cargo:rerun-if-changed=build.rs");
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}
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