FUNCTION::SET_KERNEL_CHAR(3stap)

πŸ’– FUNCTION::SET_KERNEL_CHAR πŸ’–

okay bestie, welcome to the String and data writing functions section of the SystemTap Tapset Reference (that's the 3stap manual, iykyk) πŸŽ€ β€” and today's main character is a little function that writes a char straight into kernel memory. yes, kernel. yes, memory. we're in the big leagues now fr fr ✨


🌸 NAME 🌸

function::set_kernel_char β€” Writes a char value to kernel memory πŸ’…


✨ SYNOPSIS ✨

set_kernel_char(addr:long,val:long)

πŸ¦‹ ARGUMENTS πŸ¦‹

  • addr β€” the kernel address you're writing that char to 🎯 (yes, the kernel address, be normal about it)
  • val β€” the char that's getting written, that's the whole vibe πŸ“

πŸ‘‘ DESCRIPTION πŸ‘‘

so basically: this function writes the char value to a given kernel memory address. that's it, that's the job 🌈

if the write to the given address fails, it reports an error β€” like, it WILL tell you, no silent failures here πŸ’€

⚠️ and now the important part, bestie: this one requires the use of guru mode (-g). do not skip the -g. that's not a suggestion, that's the rule πŸ™ˆ

πŸ’œ SEE ALSO πŸ’œ


that's the whole page, no notes πŸ’…

and as a lil sign-off from me to you: this was the SystemTap Tapset Reference, Version whatever-the-current-one-is, dated September 2026 🫢 go forth and write chars responsibly, mwah πŸ’–βœ¨

πŸ“¦ where this page comes from