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References: <20170718061005.29518-1-f4bug@amsat.org>
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From: Thomas Huth <thuth@redhat.com>
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Date: Tue, 18 Jul 2017 16:43:43 +0200
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Subject: Re: [Qemu-devel] [PATCH 19/29] disas: use QEMU_IS_ALIGNED macro
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To: =?UTF-8?Q?Marc-Andr=c3=a9_Lureau?= <marcandre.lureau@gmail.com>, =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= <f4bug@amsat.org>
Cc: Peter Maydell <peter.maydell@linaro.org>, Peter Crosthwaite <crosthwaite.peter@gmail.com>, qemu trival <qemu-trivial@nongnu.org>, Michael Tokarev <mjt@tls.msk.ru>, QEMU <qemu-devel@nongnu.org>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <rth@twiddle.net>

On 18.07.2017 13:07, Marc-Andr=C3=A9 Lureau wrote:
> Hi
>=20
> On Mon, Jul 17, 2017 at 11:09 PM, Philippe Mathieu-Daud=C3=A9
> <f4bug@amsat.org> wrote:
>> Applied using the Coccinelle semantic patch scripts/coccinelle/use_osd=
ep.cocci
[...]
>> diff --git a/disas.c b/disas.c
>> index d335c55bbf..8b59448286 100644
>> --- a/disas.c
>> +++ b/disas.c
>> @@ -151,7 +151,7 @@ static int print_insn_objdump(bfd_vma pc, disassem=
ble_info *info,
>>      info->read_memory_func(pc, buf, n, info);
>>
>>      for (i =3D 0; i < n; ++i) {
>> -        if (i % 32 =3D=3D 0) {
>> +        if (QEMU_IS_ALIGNED(i, 32)) {
>>              info->fprintf_func(info->stream, "\n%s: ", prefix);
>>          }
>>          info->fprintf_func(info->stream, "%02x", buf[i]);

This looks wrong to me. QEMU_IS_ALIGNED should be used for addresses and
similar things. This part here is about pretty printing a hex dump.

The code should likely be converted to use qemu_hexdump() instead, I gues=
s.

 Thomas