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d0446d3d9b
Introduce the -msan-kernel flag, which enables the kernel instrumentation. The main differences between KMSAN and MSan instrumentations are: - KMSAN implies msan-track-origins=2, msan-keep-going=true; - there're no explicit accesses to shadow and origin memory. Shadow and origin values for a particular X-byte memory location are read and written via pointers returned by __msan_metadata_ptr_for_load_X(u8 *addr) and __msan_store_shadow_origin_X(u8 *addr, uptr shadow, uptr origin); - TLS variables are stored in a single struct in per-task storage. A call to a function returning that struct is inserted into every instrumented function before the entry block; - __msan_warning() takes a 32-bit origin parameter; - local variables are poisoned with __msan_poison_alloca() upon function entry and unpoisoned with __msan_unpoison_alloca() before leaving the function; - the pass doesn't declare any global variables or add global constructors to the translation unit. llvm-svn: 341637 |
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| .. | ||
| AArch64 | ||
| Mips | ||
| PowerPC | ||
| X86 | ||
| alloca.ll | ||
| array_types.ll | ||
| atomics.ll | ||
| byval-alignment.ll | ||
| check_access_address.ll | ||
| check-constant-shadow.ll | ||
| csr.ll | ||
| global_ctors_2to3.ll | ||
| instrumentation-with-call-threshold.ll | ||
| manual-shadow.ll | ||
| masked-store-load.ll | ||
| missing_origin.ll | ||
| msan_basic.ll | ||
| msan_kernel_basic.ll | ||
| msan_x86_bts_asm.ll | ||
| msan_x86intrinsics.ll | ||
| mul_by_constant.ll | ||
| nosanitize.ll | ||
| origin-alignment.ll | ||
| origin-array.ll | ||
| pr32842.ll | ||
| return_from_main.ll | ||
| store-long-origin.ll | ||
| store-origin.ll | ||
| str-nobuiltin.ll | ||
| unreachable.ll | ||
| unsized_type.ll | ||
| vector_arith.ll | ||
| vector_cmp.ll | ||
| vector_cvt.ll | ||
| vector_pack.ll | ||
| vector_shift.ll | ||
| with-call-type-size.ll | ||