cc1ebb29f7
* Add CmpLog routines to LibAFL QEMU and various fixes * format * fix * fix read_function_argument * fix * multithread * fix qemu fork * fix * clippy * fix systemmode * unused imports
101 lines
3.3 KiB
Rust
101 lines
3.3 KiB
Rust
use std::{env, fs, path::Path, process::Command};
|
|
|
|
pub fn build() {
|
|
// Note: Unique features are checked in libafl_qemu_sys
|
|
|
|
let emulation_mode = if cfg!(feature = "usermode") {
|
|
"usermode".to_string()
|
|
} else if cfg!(feature = "systemmode") {
|
|
"systemmode".to_string()
|
|
} else {
|
|
env::var("EMULATION_MODE").unwrap_or_else(|_| {
|
|
"usermode".to_string()
|
|
})
|
|
};
|
|
|
|
let build_libqasan = cfg!(all(feature = "build_libqasan", not(feature = "hexagon")));
|
|
|
|
println!("cargo:rustc-cfg=emulation_mode=\"{emulation_mode}\"");
|
|
println!("cargo:rerun-if-env-changed=EMULATION_MODE");
|
|
|
|
println!("cargo:rerun-if-changed=build.rs");
|
|
println!("cargo:rerun-if-changed=build_linux.rs");
|
|
|
|
let cpu_target = if cfg!(feature = "x86_64") {
|
|
"x86_64".to_string()
|
|
} else if cfg!(feature = "arm") {
|
|
"arm".to_string()
|
|
} else if cfg!(feature = "aarch64") {
|
|
"aarch64".to_string()
|
|
} else if cfg!(feature = "i386") {
|
|
"i386".to_string()
|
|
} else if cfg!(feature = "mips") {
|
|
"mips".to_string()
|
|
} else if cfg!(feature = "ppc") {
|
|
"ppc".to_string()
|
|
} else if cfg!(feature = "hexagon") {
|
|
"hexagon".to_string()
|
|
} else {
|
|
env::var("CPU_TARGET").unwrap_or_else(|_| {
|
|
"x86_64".to_string()
|
|
})
|
|
};
|
|
println!("cargo:rerun-if-env-changed=CPU_TARGET");
|
|
println!("cargo:rustc-cfg=cpu_target=\"{cpu_target}\"");
|
|
|
|
let cross_cc = if (emulation_mode == "usermode") && build_libqasan {
|
|
// TODO try to autodetect a cross compiler with the arch name (e.g. aarch64-linux-gnu-gcc)
|
|
let cross_cc = env::var("CROSS_CC").unwrap_or_else(|_| {
|
|
println!("cargo:warning=CROSS_CC is not set, default to cc (things can go wrong if the selected cpu target ({cpu_target}) is not the host arch ({}))", env::consts::ARCH);
|
|
"cc".to_owned()
|
|
});
|
|
println!("cargo:rerun-if-env-changed=CROSS_CC");
|
|
|
|
cross_cc
|
|
} else {
|
|
String::new()
|
|
};
|
|
|
|
if std::env::var("DOCS_RS").is_ok() {
|
|
return; // only build when we're not generating docs
|
|
}
|
|
|
|
let out_dir = env::var("OUT_DIR").unwrap();
|
|
let out_dir_path = Path::new(&out_dir);
|
|
let mut target_dir = out_dir_path.to_path_buf();
|
|
target_dir.pop();
|
|
target_dir.pop();
|
|
target_dir.pop();
|
|
|
|
if (emulation_mode == "usermode") && build_libqasan {
|
|
let qasan_dir = Path::new("libqasan");
|
|
let qasan_dir = fs::canonicalize(qasan_dir).unwrap();
|
|
println!("cargo:rerun-if-changed={}", qasan_dir.display());
|
|
|
|
assert!(Command::new("make")
|
|
.current_dir(out_dir_path)
|
|
.env("CC", &cross_cc)
|
|
.env("OUT_DIR", &target_dir)
|
|
.arg("-C")
|
|
.arg(&qasan_dir)
|
|
.arg("clean")
|
|
.status()
|
|
.expect("make failed")
|
|
.success());
|
|
let mut make = Command::new("make");
|
|
if cfg!(debug_assertions) {
|
|
make.env("CFLAGS", "-DDEBUG=1");
|
|
}
|
|
assert!(make
|
|
.current_dir(out_dir_path)
|
|
.env("CC", &cross_cc)
|
|
.env("OUT_DIR", &target_dir)
|
|
.arg("-C")
|
|
.arg(&qasan_dir)
|
|
.status()
|
|
.expect("make failed")
|
|
.success());
|
|
println!("cargo:rerun-if-changed={}/libqasan.so", target_dir.display());
|
|
}
|
|
}
|