bjoernager/rust
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Add kernel-address sanitizer support for freestanding targets

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This commit is contained in:
Wesley Norris 2022-09-11 19:36:19 -04:00
parent 0416b1a6f6
commit 19714385e0
18 changed files with 142 additions and 12 deletions
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2
compiler/rustc_codegen_llvm/src/attributes.rs
View file

@ -62,7 +62,7 @@ pub fn sanitize_attrs<'ll>(
) -> SmallVec<[&'ll Attribute; 4]> {
let mut attrs = SmallVec::new();
let enabled = cx.tcx.sess.opts.unstable_opts.sanitizer - no_sanitize;
if enabled.contains(SanitizerSet::ADDRESS) {
if enabled.contains(SanitizerSet::ADDRESS) || enabled.contains(SanitizerSet::KERNELADDRESS) {
attrs.push(llvm::AttributeKind::SanitizeAddress.create_attr(cx.llcx));
}
if enabled.contains(SanitizerSet::MEMORY) {

4
compiler/rustc_codegen_llvm/src/back/write.rs
View file

@ -446,6 +446,10 @@ pub(crate) unsafe fn llvm_optimize(
sanitize_thread: config.sanitizer.contains(SanitizerSet::THREAD),
sanitize_hwaddress: config.sanitizer.contains(SanitizerSet::HWADDRESS),
sanitize_hwaddress_recover: config.sanitizer_recover.contains(SanitizerSet::HWADDRESS),
sanitize_kernel_address: config.sanitizer.contains(SanitizerSet::KERNELADDRESS),
sanitize_kernel_address_recover: config
.sanitizer_recover
.contains(SanitizerSet::KERNELADDRESS),
})
} else {
None

2
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
View file

@ -482,6 +482,8 @@ pub struct SanitizerOptions {
pub sanitize_thread: bool,
pub sanitize_hwaddress: bool,
pub sanitize_hwaddress_recover: bool,
pub sanitize_kernel_address: bool,
pub sanitize_kernel_address_recover: bool,
}
/// LLVMRelocMode