Pdb File
PDB Files: What Every Developer Must Know
pdb 文件里保存有二进制文件和源代码的映射关系
pdb文件 和 二进制文件 , 在编译时会写入同一个 GUID, debuger使用这个是 GUID来判定 pdb 和 exe,dll 是否匹配, 匹配的话就可以跳转源代码
pdb 的查找顺序
- a.exe 的同级目录里的 a.pdb
 - if not match,会使用 a.exe 的文件头里记录的 pdb文件地址
 - if not match, use symbol server local cache dir
 - if not match, download from symbol server
 
c++ pdb file
- Public, private, and static function addresses
 - Global variable names and addresses
 - Parameter and local variable names and offsets where to find them on the stack
 - Type data consisting of class, structure, and data definitions
 - Frame Pointer Omission (FPO) data, which is the key to native stack walking on x86
 - Source file names and their lines