Is a sign or zero extension required when adding a 32bit offset to a pointer for the x86-64 ABI?

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More Related Contents:

  1. Why does the x86-64 / AMD64 System V ABI mandate a 16 byte stack alignment?
  2. Where exactly is the red zone on x86-64?
  3. What’s the best way to remember the x86-64 System V arg register order?
  4. Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
  5. Why does clang produce inefficient asm with -O0 (for this simple floating point sum)?
  6. Why doesn’t GCC use partial registers?
  7. Where is the x86-64 System V ABI documented?
  8. What is the direction of stack growth in most modern systems?
  9. Why does this function push RAX to the stack as the first operation?
  10. When and why do we sign extend and use cdq with mul/div?
  11. CS:APP example uses idivq with two operands?
  12. Why is the address of static variables relative to the Instruction Pointer?
  13. Why is (or isn’t?) SFENCE + LFENCE equivalent to MFENCE?
  14. What is the ‘shadow space’ in x64 assembly?
  15. Why can’t I move directly a byte to a 64 bit register?
  16. Why does the x86-64 GCC function prologue allocate less stack than the local variables?
  17. Bomb lab phase_4
  18. x86_64 registers rax/eax/ax/al overwriting full register contents [duplicate]
  19. Does it make any sense to use the LFENCE instruction on x86/x86_64 processors?
  20. Does each PUSH instruction push a multiple of 8 bytes on x64?
  21. Can I add 64bit constants to 64bit registers?
  22. How to use RIP Relative Addressing in a 64-bit assembly program?
  23. What does an asterisk * before an address mean in x86-64 AT&T assembly?
  24. x86-64 canonical address?
  25. Using 8-bit registers in x86-64 indexed addressing modes
  26. Why can I access lower dword/word/byte in a register but not higher?
  27. rsp doesn’t move when entering new function [duplicate]
  28. Is reserving stack space necessary for functions less than four arguments?
  29. Why do we even need assembler when we have compiler?
  30. Can rip be used with another register with RIP-relative addressing?

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