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Add support for tracking origins of uninitialized memory

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This commit is contained in:
Tomasz Miąsko 2019-11-16 00:00:00 +00:00
parent 9b90703289
commit 0812eebc4a
4 changed files with 53 additions and 2 deletions
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4
src/librustc_codegen_llvm/back/write.rs
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@ -29,7 +29,7 @@ use std::path::{Path, PathBuf};
use std::str;
use std::sync::Arc;
use std::slice;
use libc::{c_uint, c_void, c_char, size_t};
use libc::{c_int, c_uint, c_void, c_char, size_t};
pub const RELOC_MODEL_ARGS : [(&str, llvm::RelocMode); 7] = [
("pic", llvm::RelocMode::PIC),
@ -373,7 +373,7 @@ pub(crate) unsafe fn optimize(cgcx: &CodegenContext<LlvmCodegenBackend>,
recover));
}
Sanitizer::Memory => {
let track_origins = 0;
let track_origins = config.sanitizer_memory_track_origins as c_int;
extra_passes.push(llvm::LLVMRustCreateMemorySanitizerPass(
track_origins, recover));
}