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+# What's this
+
+A simple dlopen/dlsym implementation backed by host functions.
+
+# Prerequisites
+
+Build toywasm with the following options to include the host functions.
+```
+TOYWASM_ENABLE_DYLD=ON
+TOYWASM_ENABLE_DYLD_DLFCN=ON
+```
+
+Also, enable them with the `--dyld-dlfcn` runtime option.
+```
+toywasm --dyld --dyld-dlfcn
+```
+Or, via `dyld_options.enable_dlfcn` if you are using toywasm as a library.