emcc (Emscripten gcc/clang-like replacement) 1.37.18 (commit
cb2260892ddc2c73aa40dbe0821f5a8ce3f79975)
bin.js:
function __ZN6Editor10s_instanceE() {
Module["printErr"]("missing function: _ZN6Editor10s_instanceE");
abort(-1);
}
// ...
getBinaryPromise().then((function(binary) {
return WebAssembly.instantiate(binary, info); // <-- HERE
})).then((function(output) {
I don't know how to look inside wasm, it's looks like binary file:
STACKTOP env STACK_MAX env __ZN6Editor10s_instanceE env
c++:
class Editor {
private:
static Editor* s_instance;
public:
static Editor* getInstance() { return s_instance; }
}
Yes it's a singleton pointer, but this class is not implemented, it
have many undefined references, including to s_instance:
51: undefined reference to `Editor::s_instance'
So I think problem in that place, but I don't want to implement it, it
never calls.
2017-08-10 17:12 GMT+07:00 Jukka Jylänki <juj...@gmail.com>:
> Is that on latest Emscripten 1.37.18? That looks like a new error that
> is not known. What does the generated code around that location look
> like? What should __ZN6Editor10s_instanceE be, is that a singleton
> pointer?
>
> 2017-08-10 6:55 GMT+03:00 Александр Гурьянов <caiiiy...@gmail.com>:
>> Update on compile time:
>> -O2 - ~60 sec
>> -O3 - ~7 sec
>>
>> Also I try to build project with WASM=1, and it built successfully,
>> but I can't run it due this error:
>> failed to asynchronously prepare wasm: LinkError: import object field
>> '__ZN6Editor10s_instanceE' is not a Number testing.html:161:40
>> LinkError: import object field '__ZN6Editor10s_instanceE' is not a
>> Number testing.html:160:37
>> LinkError: import object field '__ZN6Editor10s_instanceE' is not a
>> Number testing.html:161:40
>>
>> I have some unresovled symbols in project, but this symbols never
>> calls from code. I also build native version with flag
>> -Wl,--unresolved-symbols=ignore-all and it works fine, asm.js also
>> works.
>>
>> 2017-08-09 19:36 GMT+07:00 Александр Гурьянов <caiiiy...@gmail.com>:
>>> The source is not public, but I think I can share result js if it's useful.
>>>
>>> I will try to build WebAssembly and check.
>>>
>>> 2017-08-09 19:04 GMT+07:00 Jukka Jylänki <juj...@gmail.com>:
>>>> This looks like a performance bug in the browser. It may be possible
>>>> to reduce the compilation time, but without a test case it's not
>>>> possible to know what might be wrong. Is the project public somewhere?
>>>>
>>>> One known source of slow compilation times is if one has very large
>>>> switch-case statements with tens of thousands of cases.
>>>>
>>>> Though FF 54 already supports WebAssembly. Do you have a WebAssembly
>>>> build of the same, does that compile quickly on Firefox?
>>>>
>>>> 2017-08-09 14:52 GMT+03:00 caiiiycuk <caiiiy...@gmail.com>:
>>>>> Hi. I use Firefox 54.0 to test my game that I compile from C++ to js. Js
>>>>> size is 6.3Mb, when I open game in FF, then it compiles asm.js for very
>>>>> long
>>>>> time:
>>>>> Successfully compiled asm.js code (total compilation time 55703ms; stored
>>>>> in
>>>>> cache)
>>>>>
>>>>> As you see I wait one minute before game starts, all other browsers start
>>>>> game immediately. It's possible to reduce this compilation time?
>>>>>
>>>>> I have very powerfull CPU - i7, os is Ubuntu x64
>>>>>
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