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[88.21.202.17]) by smtp.gmail.com with ESMTPSA id 7sm17647462wra.50.2020.05.18.08.53.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 May 2020 08:53:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=bB9pDUjiIlea3U386GXuZY1NOAMaybVFycH+ZuoRiV0=; b=nurR+oeqvO38IlVAvYjrxVv0j0dklv6u3yVTDJ9MjtfJGYrgNsKLWs7v/EuSfT1Fyw 0hekQj/tWlRwGvIoHSlzW9AuZtciTPQcEplw1Pk8G6K0Hbrx+YNLGqJqwsJiwTdGA5Ne v9/csSObyWiXDO8tXRQFSARTVgrKmme1B4xlK6G65N3bOCs9+um2jRul25Bre3/UOTza OGPqc/K941siuivQI1Wp+Y4WrR+at7LjrzQjI27bJrNP8FSbQYpiJjFPWWuWesiUuFfw ukETX0f+LCej7jAyGWg6NyrNnHEv4M8WOryfTbHiRYhmsQGp7mnvZiMDjtMW3y6pEggr wGSA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=bB9pDUjiIlea3U386GXuZY1NOAMaybVFycH+ZuoRiV0=; b=WlHbe+mo0ZyXgyxAuHxGxytWvHLKTCfimFvrizz/3t1QpNWNIpfkzTZQGO4kBCA72l 72jyV28SJHFeO/8nPaCtH4HYkf7kV9DfYBWZmxg09JH1mE+4N+4bQjQG4uxxy7IarcNv 8Itku3gFx/Oq9aLrI13ONJvtrOtGKO4w+5vDiXHiGHeAcZzwybZgCTSqeO2SG7ZO368A hKgcvaMwFGbievygCU9OfDFcig+S3gMZawdwduCwFH+8WMhMaGR6/8H+zCMAxDWEEVWU wDxaa3UAQtdPscqX9CpSO95FEuBUqMzqzGGxFtJbmVsHNvThEsOZ43xOk3ZmIbo92Mtw TeEA== X-Gm-Message-State: AOAM532JFbHD+DQIWxHeSLZjLSPVp9mCn2JwRNg9sxFwnZ6aJ5FymaHA 2eKToqB7FBjpwzCGoKdVb/hlra7jW2M= X-Google-Smtp-Source: ABdhPJyfeaVjxI8bi3kpjnvht2g384iEYsz/UxrYeBJJDMzC5vFKDJec5j+2beg6JCmhPLXHZGmWsA== X-Received: by 2002:a1c:6884:: with SMTP id d126mr20131549wmc.179.1589817193623; Mon, 18 May 2020 08:53:13 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v2 3/7] disas: Let disas::read_memory() handler return EIO on error Date: Mon, 18 May 2020 17:53:04 +0200 Message-Id: <20200518155308.15851-4-f4bug@amsat.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200518155308.15851-1-f4bug@amsat.org> References: <20200518155308.15851-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::344; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x344.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , kvm@vger.kernel.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-arm@nongnu.org, Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Both cpu_memory_rw_debug() and address_space_read() return an error on failed transaction. Check the returned value, and return EIO in case of error. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- disas.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/disas.c b/disas.c index 45285d3f63..c1397d3933 100644 --- a/disas.c +++ b/disas.c @@ -39,9 +39,11 @@ target_read_memory (bfd_vma memaddr, struct disassemble_info *info) { CPUDebug *s =3D container_of(info, CPUDebug, info); + int r; =20 - cpu_memory_rw_debug(s->cpu, memaddr, myaddr, length, 0); - return 0; + r =3D cpu_memory_rw_debug(s->cpu, memaddr, myaddr, length, 0); + + return r ? EIO : 0; } =20 /* Print an error message. We can assume that this is in response to @@ -718,10 +720,11 @@ physical_read_memory(bfd_vma memaddr, bfd_byte *myadd= r, int length, struct disassemble_info *info) { CPUDebug *s =3D container_of(info, CPUDebug, info); + MemTxResult res; =20 - address_space_read(s->cpu->as, memaddr, MEMTXATTRS_UNSPECIFIED, - myaddr, length); - return 0; + res =3D address_space_read(s->cpu->as, memaddr, MEMTXATTRS_UNSPECIFIED, + myaddr, length); + return res =3D=3D MEMTX_OK ? 0 : EIO; } =20 /* Disassembler for the monitor. */ --=20 2.21.3