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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1727858289; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=T8/u+VPoMiEM0MMm1KzR655zodS3TzdLVN+AaPgKy20=; b=H7C9dU0nVyxS5SY3q7d0y0D9xi1RmyVy9kwT5e4djqWtelbwOxHqHVRK/aa3VlNC7yxzIY OY7NdBk2TD3j4ToVG+HAU+F/al6G3sZqm2HIKaLlSZ35Cs5SHfZVbO7rp15HQCt7HuoSM/ Xk05Kw/trZDxKP5yIEkCm+UqvW51c1I= X-MC-Unique: fAqlNs8uPiesTnKiNgRS1w-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Song Gao Subject: [PULL 16/22] target/loongarch: fix -Werror=maybe-uninitialized false-positive Date: Wed, 2 Oct 2024 12:36:39 +0400 Message-ID: <20241002083646.2893078-17-marcandre.lureau@redhat.com> In-Reply-To: <20241002083646.2893078-1-marcandre.lureau@redhat.com> References: <20241002083646.2893078-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.144, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1727858349208116600 From: Marc-Andr=C3=A9 Lureau ../target/loongarch/gdbstub.c:55:20: error: =E2=80=98val=E2=80=99 may be us= ed uninitialized [-Werror=3Dmaybe-uninitialized] 55 | return gdb_get_reg32(mem_buf, val); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ../target/loongarch/gdbstub.c:39:18: note: =E2=80=98val=E2=80=99 was declar= ed here 39 | uint64_t val; Signed-off-by: Marc-Andr=C3=A9 Lureau Reviewed-by: Vladimir Sementsov-Ogievskiy --- target/loongarch/gdbstub.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/target/loongarch/gdbstub.c b/target/loongarch/gdbstub.c index 7ca245ee81..3a03cf9cba 100644 --- a/target/loongarch/gdbstub.c +++ b/target/loongarch/gdbstub.c @@ -34,26 +34,28 @@ void write_fcc(CPULoongArchState *env, uint64_t val) int loongarch_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int= n) { CPULoongArchState *env =3D cpu_env(cs); - uint64_t val; - - if (0 <=3D n && n < 32) { - val =3D env->gpr[n]; - } else if (n =3D=3D 32) { - /* orig_a0 */ - val =3D 0; - } else if (n =3D=3D 33) { - val =3D env->pc; - } else if (n =3D=3D 34) { - val =3D env->CSR_BADV; - } =20 if (0 <=3D n && n <=3D 34) { + uint64_t val; + + if (n < 32) { + val =3D env->gpr[n]; + } else if (n =3D=3D 32) { + /* orig_a0 */ + val =3D 0; + } else if (n =3D=3D 33) { + val =3D env->pc; + } else /* if (n =3D=3D 34) */ { + val =3D env->CSR_BADV; + } + if (is_la64(env)) { return gdb_get_reg64(mem_buf, val); } else { return gdb_get_reg32(mem_buf, val); } } + return 0; } =20 --=20 2.45.2.827.g557ae147e6