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Re: [RFC][PATCH 09/15] gdb: Add relocate instruction helpers


henrik.wallin@windriver.com writes:

> The functions are used both when validating an instruction
> when the users sets a fast tracepoint and when relocating
> an instruction when gdbserver/ipa installs the jump pad.
>
> Currently all PC relative instructions are considered
> not relocatable.
>
> Futher improvements can be made by rewriting some of those
> instructions with alternative instructions.
>
> gdb/ChangeLog:
>
> 	* arm-tdep.c : Add relocate functionality to be used by fast
> 	tracepoint support.

You are relocating instructions in GDB side, which uses qRelocInsn
packet.  Why don't you relocate them in GDBserver side?  Search 
aarch64_relocate_instruction in gdbserver/linux-aarch64-low.c, and you
may have some clues from it.

-- 
Yao (éå)


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