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| author | Linux Build Service Account <lnxbuild@localhost> | 2021-08-02 01:09:58 -0700 |
|---|---|---|
| committer | Linux Build Service Account <lnxbuild@localhost> | 2021-08-02 01:09:58 -0700 |
| commit | 555d228b48c09d9372395a9f66f4788e65782d6d (patch) | |
| tree | de8c191b12ad526f3d50641b42b3926aafbec985 /tests/utils.h | |
| parent | cfa63efcf51b81feb41d4c97cce98ae1c337e4b3 (diff) | |
| parent | 7290ff7cfa79abad5f0a3b2d77383eea2ec90077 (diff) | |
Merge 7290ff7cfa79abad5f0a3b2d77383eea2ec90077 on remote branch
Change-Id: Ic055a046e8aaed75b4cad2c1f7d3704b63478bf9
Diffstat (limited to 'tests/utils.h')
| -rw-r--r-- | tests/utils.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/utils.h b/tests/utils.h index 145ba1ac2..592ac0e56 100644 --- a/tests/utils.h +++ b/tests/utils.h @@ -21,6 +21,7 @@ #include <fcntl.h> #include <inttypes.h> #include <sys/mman.h> +#include <sys/prctl.h> #include <sys/types.h> #include <sys/wait.h> #include <unistd.h> @@ -304,3 +305,13 @@ template <class Tp> static inline void DoNotOptimize(Tp& value) { asm volatile("" : "+r,m"(value) : : "memory"); } + +static inline bool running_with_mte() { +#ifdef __aarch64__ + int level = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0); + return level >= 0 && (level & PR_TAGGED_ADDR_ENABLE) && + (level & PR_MTE_TCF_MASK) != PR_MTE_TCF_NONE; +#else + return false; +#endif +} |