Flx插件
Felix命令行工具由一个程序组成 dflx 它加载几个插件,主要是编译器驱动程序。
有一个版本 flx 它由完全相同的程序组成,但是带有预先链接的插件。以下是预链接代码:
class FlxPluginSymbols
{
// We have to do this dummy requirements because static
// linking removes
requires package "re2";
requires package "faio";
requires package "flx_arun";
open Dynlink;
// Now add all the symbols.
proc addsymbols ()
{
static-link-plugin
toolchain_clang_macosx,
toolchain_iphoneos,
toolchain_iphonesimulator,
toolchain_clang_linux,
toolchain_gcc_macosx,
toolchain_gcc_linux,
toolchain_msvc_win
;
// flx
static-link-symbol dflx_create_thread_frame in plugin dflx;
static-link-symbol dflx_flx_start in plugin dflx;
}
}
// Add the symbols
FlxPluginSymbols::addsymbols;
// Now invoke the program!
val linstance = Dynlink::prepare_lib("dflx");
var init: cont = Dynlink::get_init linstance;
Fibres::chain init;
In this case, the program runs after initialisation,
所以我们得到了主线的延续 init 从插件实例 linstance 把它拴起来。