Re: [PATCH v2 27/53] target/xtensa: convert to use format_state instead of dump_state

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

On 9/15/21 10:52 AM, Daniel P. Berrangé wrote:
> On Wed, Sep 15, 2021 at 09:32:38AM +0200, Philippe Mathieu-Daudé wrote:
>> On 9/14/21 4:20 PM, Daniel P. Berrangé wrote:
>>> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
>>> ---
>>>  target/xtensa/cpu.c       |  2 +-
>>>  target/xtensa/cpu.h       |  2 +-
>>>  target/xtensa/translate.c | 45 ++++++++++++++++++++-------------------
>>>  3 files changed, 25 insertions(+), 24 deletions(-)
>>
>>> -void xtensa_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>>> +void xtensa_cpu_format_state(CPUState *cs, GString *buf, int flags)
>>>  {
>>>      XtensaCPU *cpu = XTENSA_CPU(cs);
>>>      CPUXtensaState *env = &cpu->env;
>>>      xtensa_isa isa = env->config->isa;
>>>      int i, j;
>>>  
>>> -    qemu_fprintf(f, "PC=%08x\n\n", env->pc);
>>> +    g_string_append_printf(buf, "PC=%08x\n\n", env->pc);
>>>  
>>>      for (i = j = 0; i < xtensa_isa_num_sysregs(isa); ++i) {
>>>          const uint32_t *reg =
>>> @@ -1340,55 +1340,56 @@ void xtensa_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>>>          int regno = xtensa_sysreg_number(isa, i);
>>>  
>>>          if (regno >= 0) {
>>> -            qemu_fprintf(f, "%12s=%08x%c",
>>> -                         xtensa_sysreg_name(isa, i),
>>> -                         reg[regno],
>>> -                         (j++ % 4) == 3 ? '\n' : ' ');
>>> +            g_string_append_printf(buf, "%12s=%08x%c",
>>> +                                   xtensa_sysreg_name(isa, i),
>>> +                                   reg[regno],
>>> +                                   (j++ % 4) == 3 ? '\n' : ' ');
>>>          }
>>>      }
>>>  
>>> -    qemu_fprintf(f, (j % 4) == 0 ? "\n" : "\n\n");
>>> +    g_string_append_printf(buf, (j % 4) == 0 ? "\n" : "\n\n");
>>>  
>>>      for (i = 0; i < 16; ++i) {
>>> -        qemu_fprintf(f, " A%02d=%08x%c",
>>> -                     i, env->regs[i], (i % 4) == 3 ? '\n' : ' ');
>>> +        g_string_append_printf(buf, " A%02d=%08x%c",
>>> +                               i, env->regs[i], (i % 4) == 3 ? '\n' : ' ');
>>>      }
>>>  
>>>      xtensa_sync_phys_from_window(env);
>>> -    qemu_fprintf(f, "\n");
>>> +    g_string_append_printf(buf, "\n");
>>
>> g_string_append_c(); pre-existing but better to move it before
>> xtensa_sync_phys_from_window().
> 
> I don't want to be re-arranging the code in this series. It is just
> a straight search/replace of qemu_fprintf with g_string_append_printf,
> with the bare minimum of other changes,  to minimize risk of breaking
> something unexpected.

Fair enough. Max already rejected my suggestions ;) So:
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>