1 files changed, 54 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/libc/param/auxv.rs b/vendor/rustix/src/backend/libc/param/auxv.rs
new file mode 100644
index 0000000..880a1d4
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/param/auxv.rs
@@ -0,0 +1,54 @@
+use crate::backend::c;
+#[cfg(any(
+    all(target_os = "android", target_pointer_width = "64"),
+    target_os = "linux",
+))]
+use crate::ffi::CStr;
+
+// `getauxval` wasn't supported in glibc until 2.16.
+#[cfg(any(
+    all(target_os = "android", target_pointer_width = "64"),
+    target_os = "linux",
+))]
+weak!(fn getauxval(c::c_ulong) -> *mut c::c_void);
+
+#[inline]
+pub(crate) fn page_size() -> usize {
+    unsafe { c::sysconf(c::_SC_PAGESIZE) as usize }
+}
+
+#[cfg(not(any(target_os = "vita", target_os = "wasi")))]
+#[inline]
+pub(crate) fn clock_ticks_per_second() -> u64 {
+    unsafe { c::sysconf(c::_SC_CLK_TCK) as u64 }
+}
+
+#[cfg(any(
+    all(target_os = "android", target_pointer_width = "64"),
+    target_os = "linux",
+))]
+#[inline]
+pub(crate) fn linux_hwcap() -> (usize, usize) {
+    if let Some(libc_getauxval) = getauxval.get() {
+        unsafe {
+            let hwcap = libc_getauxval(c::AT_HWCAP) as usize;
+            let hwcap2 = libc_getauxval(c::AT_HWCAP2) as usize;
+            (hwcap, hwcap2)
+        }
+    } else {
+        (0, 0)
+    }
+}
+
+#[cfg(any(
+    all(target_os = "android", target_pointer_width = "64"),
+    target_os = "linux",
+))]
+#[inline]
+pub(crate) fn linux_execfn() -> &'static CStr {
+    if let Some(libc_getauxval) = getauxval.get() {
+        unsafe { CStr::from_ptr(libc_getauxval(c::AT_EXECFN).cast()) }
+    } else {
+        cstr!("")
+    }
+}