Why can’t kernel code use a Red Zone

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More Related Contents:

  1. Where exactly is the red zone on x86-64?
  2. What happens if you use the 32-bit int 0x80 Linux ABI in 64-bit code?
  3. What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 and x86-64
  4. Where is the x86-64 System V ABI documented?
  5. Why does Windows64 use a different calling convention from all other OSes on x86-64?
  6. What registers are preserved through a linux x86-64 function call
  7. Why does the x86-64 / AMD64 System V ABI mandate a 16 byte stack alignment?
  8. Is a sign or zero extension required when adding a 32bit offset to a pointer for the x86-64 ABI?
  9. Why does this function push RAX to the stack as the first operation?
  10. Why is there no “sub rsp” instruction in this function prologue and why are function parameters stored at negative rbp offsets?
  11. What is the format of the x86_64 va_list structure?
  12. Why do x86-64 systems have only a 48 bit virtual address space?
  13. What is the ‘shadow space’ in x64 assembly?
  14. 64-bit syscall documentation for MacOS assembly
  15. Why does the x86-64 GCC function prologue allocate less stack than the local variables?
  16. Compiler using local variables without adjusting RSP
  17. Difference between x86, x32, and x64 architectures?
  18. C++ on x86-64: when are structs/classes passed and returned in registers?
  19. Address canonical form and pointer arithmetic
  20. What’s the best way to remember the x86-64 System V arg register order?
  21. rsp doesn’t move when entering new function [duplicate]
  22. What EXACTLY is the difference between intel’s and amd’s ISA, if any?
  23. Is there a 128 bit integer in gcc?
  24. Why are rbp and rsp called general purpose registers?
  25. Are there any downsides to passing structs by value in C, rather than passing a pointer?
  26. How to avoid STT_GNU_IFUNC symbols in your binary?
  27. Why can a T* be passed in register, but a unique_ptr cannot?
  28. why is data structure alignment important for performance?
  29. Why does printf print random value with float and integer format specifier
  30. Why use RIP-relative addressing in NASM?

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