Messages in this thread | | | From | Sergio Durigan Junior <> | Subject | Re: [RFC/PATCH] Implement new PTRACE_EVENT_SYSCALL_{ENTER,EXIT} | Date | Sun, 19 Jan 2014 00:48:57 -0200 |
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On Friday, January 10 2014, Oleg Nesterov wrote:
> So suppose that gdb does ptrace(PTRACE_SINGLESTEP) and the tracee > executes the "syscall" insn. What it should report? [...] > But what should syscall-exit do? Should it still report SIGSEGV as > it currently does, or should it report _SYSCALL_EXIT instead (if > PTRACE_O_SYSCALL_EXIT of course), or should it report both?
Both only if _SYSCALL_EXIT is set. Otherwise, stick to the current behavior, I guess. Isn't it what my current patch does, by the way? I didn't test this scenario so I'm just guessing here...
-- Sergio
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