Add getauxval and cleanup libc startup

2 files changed, 18 insertions, 1 deletions

diff --git a/lib/libc/sys/Kbuild b/lib/libc/sys/Kbuild
index fe9d0bfc..7e371981 100644
--- a/lib/libc/sys/Kbuild
+++ b/lib/libc/sys/Kbuild
@@ -1,6 +1,7 @@
+obj-y += eventfd.o
 obj-y += eventfd_read.o
 obj-y += eventfd_write.o
-obj-y += eventfd.o
+obj-y += getauxval.o
 obj-y += io_uring_enter.o
 obj-y += io_uring_register.o
 obj-y += io_uring_setup.o
diff --git a/lib/libc/sys/getauxval.c b/lib/libc/sys/getauxval.c
new file mode 100644
index 00000000..155d4258
--- /dev/null
+++ b/lib/libc/sys/getauxval.c
@@ -0,0 +1,16 @@
+#include <errno.h>
+#include <libc.h>
+
+unsigned long getauxval(unsigned long type)
+{
+	size_t *auxv = __libc.auxv;
+
+	while (*auxv) {
+		if (*auxv == type)
+			return auxv[1];
+		auxv += 2;
+	}
+
+	errno = ENOENT;
+	return 0;
+}