Richard Henderson <richard.hender...@linaro.org> 于2024年6月21日周五 12:21写道：
>
> On 6/20/24 16:46, YunQiang Su wrote:
> > @@ -4553,7 +4559,7 @@ static void gen_trap(DisasContext *ctx, uint32_t opc,
> > if (ctx->hflags != ctx->saved_hflags) {
> > tcg_gen_movi_i32(hflags, ctx->hflags);
> > }
> > - generate_exception(ctx, EXCP_TRAP);
> > + generate_exception_with_code(ctx, EXCP_TRAP, code);
> > gen_set_label(l1);
> > }
> > }
>
> There are two instances within gen_trap, one of which *does* store into
> error_code, but
> that gets overwritten by do_raise_exception_err.
>
Ohh, yes. There is another `generate_exception_end` if cond == 0.
> Search for EXCP_TRAP.
>
>
> r~
