lua 64位转换问题
我真的希望对这个主题有一些帮助。有人在需要同时支持 32 位和 64 位的应用程序中使用过 lua 吗？我们目前正在过渡到 64 位，但客户端编译的 lua 脚本遇到了问题，我们无法使用 64 位版本重新编译。因此，实际上我们需要能够在 64 位应用程序中加载使用 32 位 lua 编译的字节码文件。当我们尝试这样做时，我们收到一条错误消息：
virtual machine mismatch in test.bin.lua: size of size_t is 8 but read 4
当然，这是一个明显的 64 位转换问题。困难的是在无法重新编译二进制文件的情况下弄清楚该怎么做。
谢谢
I really hope there is some help to get on this subject. Has anyone ever used lua in an application that needs to have both 32-bit and 64-bit support? We are currently transitioning to 64-bit but are having trouble with client compiled lua scripts that we can't recompile ourselves using the 64-bit version. So in effect we need to be able to load bytecode files compiled using 32-bit lua in a 64-bit application. When we try to do so we receive an error message:
virtual machine mismatch in test.bin.lua: size of size_t is 8 but read 4
Well of course this is a clear 64bit transitioning problem. The hard thing is just to figure out what to do about it without the ability to recompile the binaries.
Thanks
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修改 lundump.c 来读取 32 位字节码文件并不难。我已经在 Lua 邮件列表中发布了这方面的路线图。如果您有问题，请给我发送电子邮件。
It's not hard to adapt lundump.c to read 32-bit bytecode files. I've posted a roadmap for this in the Lua mailing list. If you have problems, please send me email.
你可以尝试LuaDec：“LuaDec是Lua语言的反编译器。”我不太了解它的网站声明它的目标是 Lua 5.0.2。因此，它可能无法开箱即用，但比从头开始要好。
You could try LuaDec: "LuaDec is a decompiler for the Lua language." I don't know much about it, and the website states that it targets Lua 5.0.2. So, it may not work out of the box, but it's better than starting from scratch.