file-format - PEI 格式是什么？

Question

我知道PE是COFF的修改版，PE+是PE的64位支持的修改版，但是PEI是什么？我说 PE 和 PEI 之间没有区别并且它们可以互换使用是否正确？

Answer 1

"The sole difference between the pe format and the pei format is that the latter has an MSDOS 2.0 .exe header on the front that prints the message "This app must be run under Windows." (or some such). (FIXME: Whether that statement is really true or not is unknown. Are there more subtle differences between pe and pei formats? For now assume there aren't. If you find one, then for God sakes document it here!)

The Microsoft docs use the word "image" instead of "executable" because the former can also refer to a DLL (shared library). Confusion can arise because the i' inpei' also refers to "image". The `pe' format can also create images (i.e. executables), it's just that to run on a win32 system you need to use the pei format."

来源 :

http://www.opensource.apple.com/source/gdb/gdb-1515/src/bfd/libpei.h