dar data address register 数据地址寄存器
In the case of SIGILL, the DAR might not provide useful data, because this register is used to store the fault address in the case of SIGSEGV.
在SIGILL的情况中，DAR可能不会提供任何有用的数据，因为这个寄存器在SIGSEGV的情况中就被用来存放故障地址。
Important registers to look for when debugging through signals are the GPRs, instruction pointer (NIP), machine state register (MSR), trap, data address register (DAR), and so on.
在调试信号时，需要查看的一些重要寄存器包括GPR、指令指针(NIP)、机器状态寄存器(MSR)、Trap、数据地址寄存器(DAR)等等。
The dar (Data address Register) contains the address that the processor tried to access, which then caused a page fault.
dar(数据地址寄存器)包含处理器尝试访问的地址，这一行为将引发页面错误。
应用推荐