* ptrace: Why does PTRACE_PEEKUSER not allow reading of FPU registers on x86?
@ 2024-02-21 12:39 tartanllama
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From: tartanllama @ 2024-02-21 12:39 UTC (permalink / raw)
To: linux-kernel
Hey folks,
Looking at arch/x86/kernel/ptrace.c, I can see that reading with
PTRACE_PEEKUSER is only supported within the user::regs and user::u_debugreg
fields. What's the reason that reading from user::i387 is disallowed?
Thanks,
Sy Brand
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2024-02-21 12:39 ptrace: Why does PTRACE_PEEKUSER not allow reading of FPU registers on x86? tartanllama
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