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Allow disabling ASan instrumentation for globals

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AddressSanitizer adds instrumentation to global variables unless the
[`no_sanitize_address`](https://llvm.org/docs/LangRef.html#global-attributes)
attribute is set on them.

This commit extends the existing `#[no_sanitize(address)]` attribute to
set this; previously it only had the desired effect on functions.
This commit is contained in:
Daniel Bertalan 2024-07-08 15:49:50 +02:00
parent 00ed73cdc0
commit 204b2281fa
10 changed files with 137 additions and 34 deletions
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3
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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@ -2474,4 +2474,7 @@ unsafe extern "C" {
pub fn LLVMRustIs64BitSymbolicFile(buf_ptr: *const u8, buf_len: usize) -> bool;
pub fn LLVMRustIsECObject(buf_ptr: *const u8, buf_len: usize) -> bool;
pub fn LLVMRustSetNoSanitizeAddress(Global: &Value);
pub fn LLVMRustSetNoSanitizeHWAddress(Global: &Value);
}