Re: [PATCH v2 02/10] gdbstub: Clarify no more than @gdb_num_core_regs can be accessed

["Alex Bennée" <alex.bennee@linaro.org>]

Philippe Mathieu-Daudé <philmd@linaro.org> writes:

> Both CPUClass::gdb_read_register() and CPUClass::gdb_write_register()
> handlers are called from common gdbstub code, and won't be called with
> register index over CPUClass::gdb_num_core_regs:
>
>   int gdb_read_register(CPUState *cpu, GByteArray *buf, int reg)
>   {
>       CPUClass *cc = CPU_GET_CLASS(cpu);
>
>       if (reg < cc->gdb_num_core_regs) {
>           return cc->gdb_read_register(cpu, buf, reg);
>       }
>       ...
>   }
>
>   static int gdb_write_register(CPUState *cpu, uint8_t *mem_buf, int reg)
>   {
>       CPUClass *cc = CPU_GET_CLASS(cpu);
>
>       if (reg < cc->gdb_num_core_regs) {
>           return cc->gdb_write_register(cpu, mem_buf, reg);
>       }
>       ...
>   }
>
> Clarify that in CPUClass docstring, and remove unreachable code on
> the microblaze and tricore implementations.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro