I did following
1. main.c
#include <stdio.h>
int add(int a, int b) {
return a + b;
}
2. gcc -fPIC -c main.c
3. gcc -shared -o main.so main.o
4. copied main.so file to content folder.
5. started my extension and called on following code in html in the extension
const {utils:Cu} = Components;
alert("loading comp");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/ctypes.jsm");
alert("import done");
const {classes:Ccc} = Components;
try {
var lib = ctypes.open("chrome://helloworld/content/main.so");
alert("lib=" + lib);
var addc = lib.declare("add" , ctypes.default_abi, ctypes.int32_t,
ctypes.int32_t, ctypes.int32_t);
alert("addc" + addc(3,4));
}
catch (e) {
alert(e);
}
I get error that it couldnot open library chrome://helloworld/content/main.so
My manifest file is following
content helloworld content/
resource helloworld content/
overlay chrome://browser/content/browser.xul
chrome://helloworld/content/overlay.xul
locale helloworld en-US locale/en-US/
skin helloworld classic/1.0 skin/
style chrome://global/content/customizeToolbar.xul
chrome://helloworld/skin/overlay.css
What am i missing.. i put that in components folder also but it didnt help.
How to debug this issue?
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