diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2021-11-20 17:36:30 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2021-11-20 17:36:30 +0000 |
| commit | 846a2208a8ab099f595fe7e8b2e6d54a7b5e67fb (patch) | |
| tree | 73c1a7a230c8bb19317a3893d937c4d8a219e91c /compiler-rt | |
| parent | c0981da47d5696fe36474fcf86b4ce03ae3ff818 (diff) | |
Diffstat (limited to 'compiler-rt')
| -rw-r--r-- | compiler-rt/lib/builtins/cpu_model.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/cpu_model.c b/compiler-rt/lib/builtins/cpu_model.c index b8d807ed651c..53e2d89708dc 100644 --- a/compiler-rt/lib/builtins/cpu_model.c +++ b/compiler-rt/lib/builtins/cpu_model.c @@ -799,8 +799,14 @@ _Bool __aarch64_have_lse_atomics #define HWCAP_ATOMICS (1 << 8) #endif static void CONSTRUCTOR_ATTRIBUTE init_have_lse_atomics(void) { +#if defined(__FreeBSD__) + unsigned long hwcap; + int result = elf_aux_info(AT_HWCAP, &hwcap, sizeof hwcap); + __aarch64_have_lse_atomics = result == 0 && (hwcap & HWCAP_ATOMICS) != 0; +#else unsigned long hwcap = getauxval(AT_HWCAP); __aarch64_have_lse_atomics = (hwcap & HWCAP_ATOMICS) != 0; +#endif } #endif // defined(__has_include) #endif // __has_include(<sys/auxv.h>) |