Re: [PATCH-for-5.0] target/m68k/helper: Fix m68k_fpu_gdb_get_reg() use of GByteArray

[Peter Xu <peterx@redhat.com>]

On Thu, Apr 09, 2020 at 07:25:08PM +0200, Philippe Mathieu-Daudé wrote:
> Since a010bdbe719 the gdbstub API takes a GByteArray*.
> Unfortunately we forgot to update the gdb_get_reg*()
> calls.  Do it now.
> 
> Fixes: a010bdbe719 ("extend GByteArray to read register helpers")

Should this be instead 462474d760 ("target/m68k: use gdb_get_reg
helpers", 2020-03-17)?

> Reported-by: Peter Xu <peterx@redhat.com>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Reviewed-by: Peter Xu <peterx@redhat.com>

> ---
> Based-on: <20200409164954.36902-1-peterx@redhat.com>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

(One benigh extra line; same thing could happen to me when amending
 like this with "---")

> ---
>  target/m68k/helper.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/target/m68k/helper.c b/target/m68k/helper.c
> index 014657c637..cad4083895 100644
> --- a/target/m68k/helper.c
> +++ b/target/m68k/helper.c
> @@ -109,8 +109,8 @@ static int m68k_fpu_gdb_get_reg(CPUM68KState *env, GByteArray *mem_buf, int n)
>  {
>      if (n < 8) {
>          int len = gdb_get_reg16(mem_buf, env->fregs[n].l.upper);
> -        len += gdb_get_reg16(mem_buf + len, 0);
> -        len += gdb_get_reg64(mem_buf + len, env->fregs[n].l.lower);
> +        len += gdb_get_reg16(mem_buf, 0);
> +        len += gdb_get_reg64(mem_buf, env->fregs[n].l.lower);
>          return len;
>      }
>      switch (n) {
> -- 
> 2.21.1
> 

-- 
Peter Xu