lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/lib/mlibc/sysdeps/managarm/generic/ensure.cpp b/lib/mlibc/sysdeps/managarm/generic/ensure.cpp
new file mode 100644
index 0000000..ab0d84f
--- /dev/null
+++ b/lib/mlibc/sysdeps/managarm/generic/ensure.cpp
@@ -0,0 +1,38 @@
+
+#include <stdint.h>
+#include <string.h>
+#include <assert.h>
+
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp>
+
+#include <hel.h>
+#include <hel-syscalls.h>
+
+void __frigg_assert_fail(const char *assertion, const char *file, unsigned int line,
+		const char *function) {
+	mlibc::panicLogger() << "In function " << function
+			<< ", file " << file << ":" << line << "\n"
+			<< "__ensure(" << assertion << ") failed" << frg::endlog;
+}
+
+namespace mlibc {
+	void sys_libc_log(const char *message) {
+		// This implementation is inherently signal-safe.
+		size_t n = 0;
+		while(message[n])
+			n++;
+		HEL_CHECK(helLog(message, n));
+	}
+
+	void sys_libc_panic() {
+		// This implementation is inherently signal-safe.
+		const char *message = "mlibc: Panic!";
+		size_t n = 0;
+		while(message[n])
+			n++;
+		helPanic(message, n);
+	}
+}
+