File: memtag-attr.cpp

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb11u2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,634,820 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (30 lines) | stat: -rw-r--r-- 1,291 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// Make sure the sanitize_memtag attribute is emitted when using MemTag sanitizer.
// Make sure __attribute__((no_sanitize("memtag")) disables instrumentation.

// RUN: %clang_cc1 -triple aarch64-unknown-linux -disable-O0-optnone \
// RUN:   -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-NO %s

// RUN: %clang_cc1 -triple aarch64-unknown-linux -fsanitize=memtag-stack \
// RUN:   -disable-O0-optnone -emit-llvm -o - %s | \
// RUN:   FileCheck -check-prefix=CHECK-MEMTAG %s

// RUN: %clang --target=aarch64-unknown-linux -march=armv8a+memtag \
// RUN:   -fsanitize=memtag -disable-O0-optnone -S -emit-llvm -o - %s | \
// RUN:   FileCheck -check-prefix=CHECK-MEMTAG %s

extern "C" int HasSanitizeMemTag() { return 1; }
// CHECK-NO: Function Attrs
// CHECK-NO-NOT: sanitize_memtag
// CHECK-NO-NEXT: define {{.*}} @HasSanitizeMemTag(
// CHECK-MEMTAG: Function Attrs: {{.*}} sanitize_memtag
// CHECK-MEMTAG-NEXT: define {{.*}} @HasSanitizeMemTag(

extern "C" __attribute__((no_sanitize("memtag"))) int NoSanitizeQuoteAddress() {
  return 0;
}
// CHECK-NO: Function Attrs
// CHECK-NO-NOT: sanitize_memtag
// CHECK-NO-NEXT: define {{.*}} @NoSanitizeQuoteAddress(
// CHECK-MEMTAG: Function Attrs
// CHECK-MEMTAG-NOT: sanitize_memtag
// CHECK-MEMTAG-NEXT: define {{.*}} @NoSanitizeQuoteAddress(