Why is simple a mov fs, ax triggered general_protection protection exception?-CodePudding

Home > other > Why is simple a mov fs, ax triggered general_protection protection exception?

Why is simple a mov fs, ax triggered general_protection protection exception?

Time：05-20

Bochs simulator debugging:
0008:00006 bb6 (unk. CTXT) : mov fs, ax
After perform abnormal

CodePudding user response:

23 should the corresponding code segment selector, usually is read-only, and fs is typically used for SEH, can not be read-only