VC commands and tools

最新推荐文章于 2024-08-24 09:43:37 发布

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本文详细介绍了使用Visual C++创建动态链接库(DLL)及静态库的方法，包括使用extern C __declspec(dllexport)和def文件构建DLL，以及生成对象文件和库文件的过程。此外还探讨了不同类型的调用约定(__cdecl, __stdcall)及其在x64平台上的表现。

build a dynamic library (`dll`)

1) with extern "C" __declspec(dllexport) in the prototype:

cl.exe /LD hello.cpp

2) with a def file

cl.exe /LD /DEF hello.def hello.cpp

commands:
1) generate obj file

cl.exe /c a.cpp b.cpp

2) generate lib file

lib.exe a.obj b.obj /OUT:mylib.lib

lib.exe /DEF:hello.def

cl.exe /c main.cpp
link.exe main.obj hello.lib

__cdecl:
- default.
- Caller clean the stack.
- Underscore(_) is prefixed to names, except exported.
- /Gd
__stdcall:
- used to call Win32 APIs.
- Callee clean the stack.
- Underscore(_) is prefixed to the name.
- /Gz
x64
- x64 just uses the __fastcall calling convention and a RISC-based exception-handling model.
- The __fastcall model uses registers for the first four arguments and the stack frame to pass the other parameters.
Argument Passing and Naming Conventions
/Gd, /Gr, /Gv, /Gz (Calling Convention)
Overview of x64 Calling Conventions