diff options
Diffstat (limited to 'wasm2c/wasm-rt-impl.c')
| -rw-r--r-- | wasm2c/wasm-rt-impl.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/wasm2c/wasm-rt-impl.c b/wasm2c/wasm-rt-impl.c index 92616351..20137b80 100644 --- a/wasm2c/wasm-rt-impl.c +++ b/wasm2c/wasm-rt-impl.c @@ -60,6 +60,10 @@ bool wasm_rt_fsgsbase_inst_supported = false; #include <asm/prctl.h> // For ARCH_SET_GS #include <sys/syscall.h> // For SYS_arch_prctl #include <unistd.h> // For syscall + +#ifndef HWCAP2_FSGSBASE +#define HWCAP2_FSGSBASE (1 << 1) +#endif #endif #if WASM_RT_SEGUE_FREE_SEGMENT @@ -245,7 +249,7 @@ void wasm_rt_init(void) { #if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 18 // Check for support for userspace wrgsbase instructions unsigned long val = getauxval(AT_HWCAP2); - wasm_rt_fsgsbase_inst_supported = val & (1 << 1); + wasm_rt_fsgsbase_inst_supported = val & HWCAP2_FSGSBASE; #endif #endif |