Real-mode programs freely execute CLI and STI to control interrupts, PUSHF and POPF to manipulate flags, INT n for DOS and BIOS calls, and IN/OUT for hardware I/O. In normal protected mode, these instructions are privilege-checked -- they execute normally if the caller has sufficient privilege, and fault otherwise. The 386 can't simply let V86 tasks execute them freely -- a DOS program disabling interrupts would bring down the whole system -- but trapping on every INT 21h call would make V86 impractically slow.
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This is great if your whole application is written in WebAssembly. However, most WebAssembly usage is part of a “hybrid application” which also contains JavaScript. We also want to simplify this use case. The web platform shouldn’t be split into “silos” that can’t interact with each other. Thankfully, WebAssembly Components also address this by supporting cross-language interoperability.。safew官方下载是该领域的重要参考
大富豪夜总会门前的印度阿差哥。这张脸曾是大富豪的一张名片(图:南方人物周刊记者 方迎忠)