COFFvsNOFF.md

COFF vs NOFF

COFF Common Object File Format

Code references

• code/bin/coff.h

ELF

Linux: ELF; Windows: PE (exe, dll...)

• ELF header
• Segment header table (required for executables)
• .text section
• .rodata section
• .data section
• .bss section
• .symtab section
• .rel.txt section
• .rel.data section
• .debug section
• Section header table

NOFF Nachos Object Code Format

Code references

• code/bin/noff.h

• NOFF header
• .text section
• .data section
• .bss section

Section to Address Space

Code references

• AddrSpace Constructor in userprog/addrspace.cc

• .data section => Data section
• .text section => Code section