1 files changed, 47 insertions, 0 deletions
diff --git a/com32/elflink/test_memalign.c b/com32/elflink/test_memalign.c
new file mode 100644
index 00000000..ea2b0165
--- /dev/null
+++ b/com32/elflink/test_memalign.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <console.h>
+#include <errno.h>
+
+void perform_allocation(int align) {
+	int res = 0;
+	int size = 100;
+	void *ptr;
+
+	printf("Allocation aligned at 0x%05X bytes: ", align);
+	res = posix_memalign(&ptr, align, size);
+
+	switch (res) {
+	case 0:
+		printf("address 0x%08X\n", ptr);
+		break;
+	case EINVAL:
+		printf("EINVAL\n");
+		break;
+	case ENOMEM:
+		printf("ENOMEM\n");
+		break;
+	}
+}
+
+int main(int argc, char **argv) {
+	int align = 0x10000;
+
+	// Open a standard r/w console
+	openconsole(&dev_stdcon_r, &dev_stdcon_w);
+
+	while (align >= sizeof(void*)) {
+		perform_allocation(align);
+		align /= 2;
+	}
+
+	printf("\n");
+
+	while (align <= 0x10000) {
+		perform_allocation(align);
+		align *= 2;
+	}
+
+	return 0;
+}
+