__attribute__(constructor) did not work

init() is not called on libk load.

libk.c

 #include "libk.h"
 #include "libf.h"
 
+#include <emscripten.h>
+
+
+// XXX should be in make, but currently emscripten cannot do this
+#if 1
+__attribute__((constructor))	// FIXME does not work
+static void init() {
+	EM_ASM({
+	    Runtime.loadDynamicLibrary('libf.js');
+	});
+}
+#endif
+
+
 LIBKAPI
 int kfunc1() {
 	ffunc1();

libk_so.js

@@ -30,22 +30,25 @@
 
 // === Body ===
 
-var ASM_CONSTS = [];
+var ASM_CONSTS = [function() { Runtime.loadDynamicLibrary('libf.js'); }];
 
+function _emscripten_asm_const_i(code) {
+  return ASM_CONSTS[code]();
+}
 
 
 
 
 
-gb = alignMemory(getMemory(0 + 4), 4 || 1);
+gb = alignMemory(getMemory(48 + 1), 1 || 1);
 
-for (var i = gb; i < gb + 0; ++i) HEAP8[i] = 0;
+for (var i = gb; i < gb + 48; ++i) HEAP8[i] = 0;
 
-// STATICTOP = STATIC_BASE + 0;
-/* global initializers */  __ATINIT__.push();
+// STATICTOP = STATIC_BASE + 48;
+/* global initializers */  __ATINIT__.push({ func: function() { _init() } });
 
 
-/* memory initializer */ allocate([], "i8", ALLOC_NONE, gb);
+/* memory initializer */ allocate([123,32,82,117,110,116,105,109,101,46,108,111,97,100,68,121,110,97,109,105,99,76,105,98,114,97,114,121,40,39,108,105,98,102,46,106,115,39,41,59,32,125,0], "i8", ALLOC_NONE, gb);
 
 
 
@@ -54,6 +57,9 @@ for (var i = gb; i < gb + 0; ++i) HEAP8[i] = 0;
 /* no memory initializer */
 // {{PRE_LIBRARY}}
 
+function _emscripten_asm_const_int() {
+  if (!parentModule['_emscripten_asm_const_int']) abort("external function 'emscripten_asm_const_int' is missing. perhaps a side module was not linked in? if this function was expected to arrive from a system library, try to build the MAIN_MODULE with EMCC_FORCE_STDLIBS=1 in the environment");return parentModule['_emscripten_asm_const_int'].apply(null, arguments);
+  }
 function _ffunc1() {
   if (!parentModule['_ffunc1']) abort("external function 'ffunc1' is missing. perhaps a side module was not linked in? if this function was expected to arrive from a system library, try to build the MAIN_MODULE with EMCC_FORCE_STDLIBS=1 in the environment");return parentModule['_ffunc1'].apply(null, arguments);
   }
@@ -94,7 +100,7 @@ function intArrayToString(array) {
 
 Module.asmGlobalArg = { "Math": Math, "Int8Array": Int8Array, "Int16Array": Int16Array, "Int32Array": Int32Array, "Uint8Array": Uint8Array, "Uint16Array": Uint16Array, "Uint32Array": Uint32Array, "Float32Array": Float32Array, "Float64Array": Float64Array, "NaN": NaN, "Infinity": Infinity };
 
-Module.asmLibraryArg = { "abort": abort, "assert": assert, "enlargeMemory": enlargeMemory, "getTotalMemory": getTotalMemory, "abortOnCannotGrowMemory": abortOnCannotGrowMemory, "abortStackOverflow": abortStackOverflow, "setTempRet0": setTempRet0, "getTempRet0": getTempRet0, "_ffunc1": _ffunc1, "DYNAMICTOP_PTR": DYNAMICTOP_PTR, "tempDoublePtr": tempDoublePtr, "STACKTOP": STACKTOP, "STACK_MAX": STACK_MAX, "gb": gb, "fb": fb };
+Module.asmLibraryArg = { "abort": abort, "assert": assert, "enlargeMemory": enlargeMemory, "getTotalMemory": getTotalMemory, "abortOnCannotGrowMemory": abortOnCannotGrowMemory, "abortStackOverflow": abortStackOverflow, "setTempRet0": setTempRet0, "getTempRet0": getTempRet0, "_emscripten_asm_const_i": _emscripten_asm_const_i, "_emscripten_asm_const_int": _emscripten_asm_const_int, "_ffunc1": _ffunc1, "DYNAMICTOP_PTR": DYNAMICTOP_PTR, "tempDoublePtr": tempDoublePtr, "STACKTOP": STACKTOP, "STACK_MAX": STACK_MAX, "gb": gb, "fb": fb };
 // EMSCRIPTEN_START_ASM
 var asm = (/** @suppress {uselessCode} */ function(global, env, buffer) {
 'almost asm';
@@ -149,6 +155,8 @@ var asm = (/** @suppress {uselessCode} */ function(global, env, buffer) {
   var abortStackOverflow=env.abortStackOverflow;
   var setTempRet0=env.setTempRet0;
   var getTempRet0=env.getTempRet0;
+  var _emscripten_asm_const_i=env._emscripten_asm_const_i;
+  var _emscripten_asm_const_int=env._emscripten_asm_const_int;
   var _ffunc1=env._ffunc1;
   var tempFloat = 0.0;
 
@@ -186,6 +194,12 @@ function setThrew(threw, value) {
   }
 }
 
+function _init() {
+ var $0 = 0, label = 0, sp = 0;
+ sp = STACKTOP;
+ $0 = _emscripten_asm_const_i(0)|0;
+ return;
+}
 function _kfunc1() {
  var label = 0, sp = 0;
  sp = STACKTOP;
@@ -202,11 +216,17 @@ function runPostSets() {
 // EMSCRIPTEN_END_FUNCS
 
 
-  return { _kfunc1: _kfunc1, establishStackSpace: establishStackSpace, runPostSets: runPostSets, setThrew: setThrew, stackAlloc: stackAlloc, stackRestore: stackRestore, stackSave: stackSave };
+  return { _init: _init, _kfunc1: _kfunc1, establishStackSpace: establishStackSpace, runPostSets: runPostSets, setThrew: setThrew, stackAlloc: stackAlloc, stackRestore: stackRestore, stackSave: stackSave };
 })
 // EMSCRIPTEN_END_ASM
 (Module.asmGlobalArg, Module.asmLibraryArg, buffer);
 
+var real__init = asm["_init"]; asm["_init"] = function() {
+  assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
+  assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
+  return real__init.apply(null, arguments);
+};
+
 var real__kfunc1 = asm["_kfunc1"]; asm["_kfunc1"] = function() {
   assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
   assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
@@ -218,6 +238,7 @@ var real_setThrew = asm["setThrew"]; asm["setThrew"] = function() {
   assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
   return real_setThrew.apply(null, arguments);
 };
+var _init = Module["_init"] = asm["_init"];
 var _kfunc1 = Module["_kfunc1"] = asm["_kfunc1"];
 var runPostSets = Module["runPostSets"] = asm["runPostSets"];
 var setThrew = Module["setThrew"] = asm["setThrew"];