From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 2002:a17:906:6951:b0:a28:f940:7a27 with SMTP id c17csp690171ejs; Tue, 9 Jan 2024 15:08:19 -0800 (PST) X-Google-Smtp-Source: AGHT+IH+loEeYWUvhkwzZyCGSVOY/kHo+YCS0nU0Tn20WovBwtyoxpLh/z0wDeNCMMHsNdLWjHFX X-Received: by 2002:a0d:c841:0:b0:5e0:66ef:bca5 with SMTP id k62-20020a0dc841000000b005e066efbca5mr971621ywd.40.1704841698847; Tue, 09 Jan 2024 15:08:18 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1704841698; cv=none; d=google.com; s=arc-20160816; b=hF/rG5YZs5cmm0Qo+92hbSQxPWjPj2spQZF83nP0+9Na5Ayzv+zsDECtlO9OMDcNPk hFRKNPE98nXLBonkcb4UCroCNl+oPNjJVbKin7nDUfGFDf8GpQUXrqqAseC8AYjFc3dC IslUgzCuTv9xbrpTIE+pQYzV0VSFciRkjtrqC5nkbmXuiIxWIi8OEyJbqiehZhUctdZ2 I9ONlg3SGAaEepWe4skFye0q0yVZ/4dO488/56rRUSl7gWsSe+C6DfFPosTY0PU7P73B I4r0Sx4naqKBBLf5ik0AOQ8Z+9SQtW+TyXM2M80U4d1RRw69NBFwLTpeT+hpQ2xSgYIY oAug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:dkim-signature; bh=yHR/ROIVHnEEoiARJUniG8e0cZDOc3zEQr2XoI/ghDE=; fh=MCCLRI7Eav0C58J4xbQiDqdrgb9nG6Ic0RkQM1eww+k=; b=e1A06ES0jhreBtfKuUhxAhVwYO4V3qq9X3HW2DMx8L1rmd6MVCBChHTC0uidDaUnPp i8yFVMBJ8xBwdMn52//BK5Vw6a+WOJdSLeY8Wv7RwX6sI1rBijcvIKYRZY3condz12R6 gDZ84/fsTCd3WkiBs40E74P/2wwgbBUbcRD8wjXIWxkf39W8ceBFaoae2tz9iRqqNCTq PzN4M+wpxjEkZCsnCIBuxtNAi1hreaxFcmqBNfCiOH5K5Qbvp+0bB6DYVIskfE92SM1M RwcsNKm+huFTV0zU3/6NbAKVjbQa8zDSfLoccQFoIEbWC+rOQENg1ls8lqcWvQVgGkPf 2MdQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=dBI9iqif; spf=pass (google.com: domain of iii@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=iii@linux.ibm.com; dmarc=pass (p=REJECT sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com. [148.163.158.5]) by mx.google.com with ESMTPS id z3-20020a81d403000000b005e3735dd212si1309430ywi.116.2024.01.09.15.08.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Jan 2024 15:08:18 -0800 (PST) Received-SPF: pass (google.com: domain of iii@linux.ibm.com designates 148.163.158.5 as permitted sender) client-ip=148.163.158.5; Authentication-Results: mx.google.com; dkim=pass header.i=@ibm.com header.s=pp1 header.b=dBI9iqif; spf=pass (google.com: domain of iii@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=iii@linux.ibm.com; dmarc=pass (p=REJECT sp=NONE dis=NONE) header.from=ibm.com Received: from pps.filterd (m0356516.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 409N4g7L009000; Tue, 9 Jan 2024 23:08:18 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=yHR/ROIVHnEEoiARJUniG8e0cZDOc3zEQr2XoI/ghDE=; b=dBI9iqif2mksFbII3a/bJGznsJJmKwvSAxWngkc5Ix+2uzlrGUp9DwaX1yc3BaG76Pdn CASe1tR75hQcMtZkWE+o7F5zaTC9pKRx9HaPhnQ9KvTGxhPB1LfgUwGYzVJ1A2B8i+z6 golgmtVouv0y/NxN0C/dnhhENFU29UC41Usct5ZMnhX0qzOfjAwI7dulGe8kWfZ+jWOj 5cLcFrymnj8rGGUp3YkTiR4AsVIjfUL7TfHSnsH7yfv6oGK2NPlLQp6vVx6mzh+TYGGp 5GiEthN3R6YQ/iKiDxLA4XXiKOTk0dKWAs8rEEEqQ0WnKUkOnB5/aDDJMtgchjwVBXML rQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3vhasgxtsn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 09 Jan 2024 23:08:17 +0000 Received: from m0356516.ppops.net (m0356516.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 409MtIF7031071; Tue, 9 Jan 2024 23:08:17 GMT Received: from ppma12.dal12v.mail.ibm.com (dc.9e.1632.ip4.static.sl-reverse.com [50.22.158.220]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3vhasgxtsa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 09 Jan 2024 23:08:17 +0000 Received: from pps.filterd (ppma12.dal12v.mail.ibm.com [127.0.0.1]) by ppma12.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 409LMuGk028035; Tue, 9 Jan 2024 23:08:16 GMT Received: from smtprelay01.fra02v.mail.ibm.com ([9.218.2.227]) by ppma12.dal12v.mail.ibm.com (PPS) with ESMTPS id 3vgwfsnqmx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 09 Jan 2024 23:08:16 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 409N8ECZ15401596 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 9 Jan 2024 23:08:14 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C215D20043; Tue, 9 Jan 2024 23:08:14 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 538BB20040; Tue, 9 Jan 2024 23:08:14 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.60.193]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 9 Jan 2024 23:08:14 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , Peter Maydell , =?UTF-8?q?Alex=20Benn=C3=A9e?= , David Hildenbrand Cc: Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, qemu-arm@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2 3/3] tests/tcg: Add the PROT_NONE gdbstub test Date: Wed, 10 Jan 2024 00:05:55 +0100 Message-ID: <20240109230808.583012-4-iii@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240109230808.583012-1-iii@linux.ibm.com> References: <20240109230808.583012-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: mwq0GWn-Vx6H-MRkP07bwHizeKTDIxM6 X-Proofpoint-GUID: UlT6kA7H0_rosw8eEC2XFh_uLyY6sJKP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-09_11,2024-01-09_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 mlxlogscore=865 suspectscore=0 malwarescore=0 adultscore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401090186 X-TUID: B2L86zDdC5/c Make sure that qemu gdbstub, like gdbserver, allows reading from and writing to PROT_NONE pages. Signed-off-by: Ilya Leoshkevich --- tests/tcg/multiarch/Makefile.target | 9 +++++- tests/tcg/multiarch/gdbstub/prot-none.py | 22 +++++++++++++ tests/tcg/multiarch/prot-none.c | 40 ++++++++++++++++++++++++ 3 files changed, 70 insertions(+), 1 deletion(-) create mode 100644 tests/tcg/multiarch/gdbstub/prot-none.py create mode 100644 tests/tcg/multiarch/prot-none.c diff --git a/tests/tcg/multiarch/Makefile.target b/tests/tcg/multiarch/Makefile.target index d31ba8d6ae4..315a2e13588 100644 --- a/tests/tcg/multiarch/Makefile.target +++ b/tests/tcg/multiarch/Makefile.target @@ -101,13 +101,20 @@ run-gdbstub-registers: sha512 --bin $< --test $(MULTIARCH_SRC)/gdbstub/registers.py, \ checking register enumeration) +run-gdbstub-prot-none: prot-none + $(call run-test, $@, env PROT_NONE_PY=1 $(GDB_SCRIPT) \ + --gdb $(GDB) \ + --qemu $(QEMU) --qargs "$(QEMU_OPTS)" \ + --bin $< --test $(MULTIARCH_SRC)/gdbstub/prot-none.py, \ + accessing PROT_NONE memory) + else run-gdbstub-%: $(call skip-test, "gdbstub test $*", "need working gdb with $(patsubst -%,,$(TARGET_NAME)) support") endif EXTRA_RUNS += run-gdbstub-sha1 run-gdbstub-qxfer-auxv-read \ run-gdbstub-proc-mappings run-gdbstub-thread-breakpoint \ - run-gdbstub-registers + run-gdbstub-registers run-gdbstub-prot-none # ARM Compatible Semi Hosting Tests # diff --git a/tests/tcg/multiarch/gdbstub/prot-none.py b/tests/tcg/multiarch/gdbstub/prot-none.py new file mode 100644 index 00000000000..f1f1dd82cbe --- /dev/null +++ b/tests/tcg/multiarch/gdbstub/prot-none.py @@ -0,0 +1,22 @@ +"""Test that GDB can access PROT_NONE pages. + +This runs as a sourced script (via -x, via run-test.py). + +SPDX-License-Identifier: GPL-2.0-or-later +""" +from test_gdbstub import main, report + + +def run_test(): + """Run through the tests one by one""" + gdb.Breakpoint("break_here") + gdb.execute("continue") + val = gdb.parse_and_eval("*(char[2] *)q").string() + report(val == "42", "{} == 42".format(val)) + gdb.execute("set *(char[3] *)q = \"24\"") + gdb.execute("continue") + exitcode = int(gdb.parse_and_eval("$_exitcode")) + report(exitcode == 0, "{} == 0".format(exitcode)) + + +main(run_test) diff --git a/tests/tcg/multiarch/prot-none.c b/tests/tcg/multiarch/prot-none.c new file mode 100644 index 00000000000..dc56aadb3c5 --- /dev/null +++ b/tests/tcg/multiarch/prot-none.c @@ -0,0 +1,40 @@ +/* + * Test that GDB can access PROT_NONE pages. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include +#include + +void break_here(void *q) +{ +} + +int main(void) +{ + long pagesize = sysconf(_SC_PAGESIZE); + void *p, *q; + int err; + + p = mmap(NULL, pagesize * 2, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + assert(p != MAP_FAILED); + q = p + pagesize - 1; + strcpy(q, "42"); + + err = mprotect(p, pagesize * 2, PROT_NONE); + assert(err == 0); + + break_here(q); + + err = mprotect(p, pagesize * 2, PROT_READ); + assert(err == 0); + if (getenv("PROT_NONE_PY")) { + assert(strcmp(q, "24") == 0); + } + + return EXIT_SUCCESS; +} -- 2.43.0