Add support for the Reactor model.

WebAssembly · Apr 13, 2020 · 695a003 · 695a003
1 parent 86550c3
commit 695a003
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diff --git a/expected/wasm32-wasi/defined-symbols.txt b/expected/wasm32-wasi/defined-symbols.txt
@@ -271,6 +271,7 @@ __wctype_l
 __xpg_basename
 __xpg_strerror_r
 __year_to_secs
+_activate
 _environ
 _exit
 _fini

diff --git a/libc-bottom-half/crt/reactor-crt1.c b/libc-bottom-half/crt/reactor-crt1.c
@@ -0,0 +1,7 @@
+#include <wasi/api.h>
+extern void __wasm_call_ctors(void);
+
+void _activate(void) {
+    // The linker synthesizes this to call constructors.
+    __wasm_call_ctors();
+}