On 14 October 2016 at 10:21, 凌英剑 <lingyingj...@gmail.com> wrote: > I've been trying to get GVA when the memory access instruction is > executed,so I traced a function tcg_qemu_tb_exec() and I found the address > used by ld/st operations is HVA. > I would like to know how can I transform HVA to GVA? > if I record GVA during the TB translation,will I miss some memory access > instruction traces since a TB only be translated once but may be executed > several times?
At translation time the GVA is unknown (consider the case of "load value from the address in this register" -- the load address is not known until runtime because it depends on the value in the register when the TB is executed. thanks -- PMM
