lib: Add mlibc

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

4 files changed, 19 insertions, 0 deletions

diff --git a/lib/mlibc/tests/rtdl/tls_align/libbar.c b/lib/mlibc/tests/rtdl/tls_align/libbar.c
new file mode 100644
index 0000000..3f8d6a7
--- /dev/null
+++ b/lib/mlibc/tests/rtdl/tls_align/libbar.c
@@ -0,0 +1 @@
+_Thread_local __attribute__((aligned(8))) char bar_thread_local[8] = "Hello!";
diff --git a/lib/mlibc/tests/rtdl/tls_align/libfoo.c b/lib/mlibc/tests/rtdl/tls_align/libfoo.c
new file mode 100644
index 0000000..8d98177
--- /dev/null
+++ b/lib/mlibc/tests/rtdl/tls_align/libfoo.c
@@ -0,0 +1 @@
+_Thread_local __attribute__((aligned(16))) char foo_thread_local[8] = "Hello!";
diff --git a/lib/mlibc/tests/rtdl/tls_align/meson.build b/lib/mlibc/tests/rtdl/tls_align/meson.build
new file mode 100644
index 0000000..61d0fd9
--- /dev/null
+++ b/lib/mlibc/tests/rtdl/tls_align/meson.build
@@ -0,0 +1,7 @@
+libfoo = shared_library('foo', 'libfoo.c')
+libbar = shared_library('bar', 'libbar.c')
+test_link_with = [libfoo, libbar]
+
+libfoo_native = shared_library('native-foo', 'libfoo.c', native: true)
+libbar_native = shared_library('native-bar', 'libbar.c', native: true)
+test_native_link_with = [libfoo_native, libbar_native]
diff --git a/lib/mlibc/tests/rtdl/tls_align/test.c b/lib/mlibc/tests/rtdl/tls_align/test.c
new file mode 100644
index 0000000..4381831
--- /dev/null
+++ b/lib/mlibc/tests/rtdl/tls_align/test.c
@@ -0,0 +1,10 @@
+#include <assert.h>
+#include <stdint.h>
+
+extern _Thread_local char foo_thread_local[];
+extern _Thread_local char bar_thread_local[];
+
+int main() {
+	assert(!((uintptr_t)foo_thread_local & (16 - 1)));
+	assert(!((uintptr_t)bar_thread_local & (8 - 1)));
+}