PTRACE_SYSCALL_ENTRY/EXIT

Hello, Do you guys plan to add ptrace requests possibly named PTRACE_SYSCALL_ENTRY and PTRACE_SYSCALL_EXIT at some point akin to FreeBSD's¹ PT_TO_SCE and PT_TO_SCX? ¹: http://www.freebsd.org/cgi/man.cgi?query=ptraceapropos=0sektion=0manpath=FreeBSD+8.0-RELEASEformat=ascii -- Regards, Ali

Re: [RFC] [PATCH 1/7] User Space Breakpoint Assistance Layer (UBP)

On Fri, Jan 15, 2010 at 7:58 PM, Jim Keniston jkeni...@us.ibm.com wrote: 4. Emulation removes the need for the XOL area, but requires pretty much total knowledge of the instruction set.  It's also a performance win for architectures that can't do #3.  I see kvm implemented on 4 architectures