From patchwork Fri Feb 7 15:31:12 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Alex_Benn=C3=A9e?= X-Patchwork-Id: 862995 Delivered-To: patch@linaro.org Received: by 2002:a5d:4e42:0:b0:385:e875:8a9e with SMTP id r2csp386599wrt; Fri, 7 Feb 2025 07:40:16 -0800 (PST) X-Forwarded-Encrypted: i=2; AJvYcCUabMViOz9MADrjJuN4wVVGJrqbs46cO6QV1TTVlh5+H2Ig3379Fj2Hx0qtZLiyY8df/GgKyA==@linaro.org X-Google-Smtp-Source: AGHT+IGZQfUOWJPVT5gEHRCYZ2qF6o+xy2NmcnBQU+nKiiFR+PpSjf4ecZDoM16K7eYdNJYDz/8m X-Received: by 2002:a05:620a:284d:b0:7b6:d939:f958 with SMTP id af79cd13be357-7c047bc6df7mr559937785a.25.1738942816517; Fri, 07 Feb 2025 07:40:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1738942816; cv=none; d=google.com; s=arc-20240605; b=L+M3byoUKa/0N/Lp5aDAExnwd8uBkIxfvSale9F07rEkUNCu2jrgoovF6IzbWM8bw2 ByHuD0CqbUQOblrA/deB2QWg+WkvLLcNW54MxU8uvMw1iRz90PQU1e4qMjaXeuCLY521 fubb9vO7W0EQJAmLLsjpEzleKdvy64/Grvuw9neUcJZNkTogAQ9G4mJiTYjYfp5z+w33 1D6Am36VWzD5Dc2yA0hQgxioXZLQEZ+fl0kaH4iwmDtSI20W8D0dzoqgXsV/CczQFi1p B5Ub97xFmxzjNieuCeEtXeqs3WvK+e1IOk0YM5S3fivuc0p9a0DqYpIpCBqk0Q+6w406 QykQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=gkJVfCavNsBQMZBi92Kjm0ej3U2Pdiir6so6tZSVLo8=; fh=htMF8hQWTZiOGUJHuB6bq90yox4j6xv33yHiWqKjtG8=; b=F+xmIm1HGR7wfZf3mHBSgt9uNYUpIGMRmrUH7CVG+U9fiobmf4FRiOF/9vz/SB/1n7 2ERRRdtn6gMgqWXwQIuuX2WGqjSls0BF35WZGw9DJDnuOEZjZkV824uognuOBtU5T91s ctRGRDIBdVsawdwGk5L3W/1BIL4jDXxtxgfoNlvutoZkGXLmo54tBecLulFbUQrVIaZD 5EvgsT9llS8LbDG7I5kK5X88EX0O1QeL4p2jbDJszR0kS5XZ34/0cOrgvlGbHYlbY3xp u1QP5GpD6sw+j5DXQkUIVExUEF6X9D69IhX60htB1YDBXd71G2ZBYWMqLa9Vf5YQmhFO md1Q==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=kK54ulUU; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id af79cd13be357-7c041df2db8si359867285a.53.2025.02.07.07.40.16 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 07 Feb 2025 07:40:16 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=kK54ulUU; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tgQSb-0005NN-0i; Fri, 07 Feb 2025 10:40:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tgQSI-0004dG-Gh for qemu-devel@nongnu.org; Fri, 07 Feb 2025 10:39:47 -0500 Received: from mail-ej1-x636.google.com ([2a00:1450:4864:20::636]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tgQSE-0005Qf-Pm for qemu-devel@nongnu.org; Fri, 07 Feb 2025 10:39:46 -0500 Received: by mail-ej1-x636.google.com with SMTP id a640c23a62f3a-ab794ae3cf2so41912366b.2 for ; Fri, 07 Feb 2025 07:39:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1738942781; x=1739547581; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=gkJVfCavNsBQMZBi92Kjm0ej3U2Pdiir6so6tZSVLo8=; b=kK54ulUUTfU7vcmorGOTmA6Lj5XKpd809W86iO8J3WqBjScA6oX23y/GUU6+L5BQJv jjRN40Jzs23P7C61Cs+Zr35xsx/Y3J+8PTvboy1hJPGkfC5EOcRcT2Xzgnpe2pfFhtTp BAOgJ0bl/lLfSA9+OohuKUsLsZn24q8dyDk/prjEXcI6s9c5IQWVQsN0nCNne9nW8LQ9 a+F4zKAzvba6280Bbi0PeWOX6L8zLGmu2Juei+j3BdUwNb/sXkxqB/6Hr9/6LBtkM06B sNO8+/zj++W14LDAWQ6TLTyuX5Jyl3CtGZJkDkYpxQ/INwxQSTir9hlOwiFFpSU/6HMD q4Iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738942781; x=1739547581; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=gkJVfCavNsBQMZBi92Kjm0ej3U2Pdiir6so6tZSVLo8=; b=YxM3/v0yefWRXYUtMocxDk8q/mtXO+O9+s2z9WKEVvO+9JZY/SBwS2/IMxbSYKBJx7 tEgw+m0arQ8Mi/tpnhZI70XsO60qlcCfcgaJopDcU/TB/mZh1q53dpm/6kYD//FHIQUG xWZQzEkK0iqUPby6nFtZMsKhPXPlbSivcoziqFLVZeQ0ZKJtI+Yl+zPm4AUtl+Q5TMni 5nxSs9fPTiIHIUMCkQAOTgur5ES/ZJNTXCQb6tkJPBSJpHKdJDWFA/zfyw5UQkX8KWA5 pkHM8brN6CFPgITzysLAS9KUD072I+pHMEdgO0ZDgfYhYwPY8ih9aplTlo1jW4DU0Z20 MweQ== X-Gm-Message-State: AOJu0YxfQV8jfQkXNo852FJNjwYa5bVBDxGsCsfA0Y5KfEP99NAbgfVV dYYeiL2XjxX95LcSfegLWkq9STKk92e8rWrvjpLe47wjYGAFIrW0/lnXGhmQu6Q= X-Gm-Gg: ASbGncuK03ynfRcZ/Po+Gjj2L4nbY9AH+O/ZbTHdQuhED6TpyaxbQAEJEYCk6BSxlaI J5LNvBKFcQ4PlU9rdPEn9YHUxpwzQhoiZ5939t1S+JUjz6vQIbfrfSOA7TQKy9Ppm6RBe73hXvb LXBcEvcGAHVw5RCZ8ebZr0qB3msU64/3IC/yOyVgxvLSIxFvQB134ZjfX+WvvOSidr29UlLYpLO I5+Il0iH5LUdIzTJGed2QvwEWSOVXfjBLoQbmDg7m4Q4ccNacAAOc1vUiU6plYoUNR+W9JxQ2qv g/1tyDFKBydZBxztvg== X-Received: by 2002:a17:907:7e89:b0:ab3:ed0:8d7 with SMTP id a640c23a62f3a-ab789ac0f4cmr330413066b.23.1738942780986; Fri, 07 Feb 2025 07:39:40 -0800 (PST) Received: from draig.lan ([185.126.160.109]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ab772f843f4sm290915266b.68.2025.02.07.07.39.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Feb 2025 07:39:40 -0800 (PST) Received: from draig.lan (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id EBB25619CE; Fri, 7 Feb 2025 15:31:13 +0000 (GMT) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Peter Xu , =?utf-8?q?Alex_Benn=C3=A9e?= , Thomas Huth , Weiwei Li , qemu-arm@nongnu.org, Nicholas Piggin , Liu Zhiwei , Bin Meng , Tyrone Ting , Hao Wu , Kyle Evans , Alistair Francis , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Laurent Vivier , Riku Voipio , Harsh Prateek Bora , Fabiano Rosas , Alexandre Iooss , Laurent Vivier , Daniel Henrique Barboza , Warner Losh , Pierrick Bouvier , Palmer Dabbelt , Mahmoud Mandour , qemu-ppc@nongnu.org, Paolo Bonzini , qemu-rust@nongnu.org, qemu-riscv@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2 17/17] tests/tcg: Add late gdbstub attach test Date: Fri, 7 Feb 2025 15:31:12 +0000 Message-Id: <20250207153112.3939799-18-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250207153112.3939799-1-alex.bennee@linaro.org> References: <20250207153112.3939799-1-alex.bennee@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::636; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x636.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org From: Ilya Leoshkevich Add a small test to prevent regressions. Make sure that host_interrupt_signal is not visible to the guest. Reviewed-by: Alex Bennée Signed-off-by: Ilya Leoshkevich Message-Id: <20250117001542.8290-9-iii@linux.ibm.com> Signed-off-by: Alex Bennée --- tests/tcg/multiarch/late-attach.c | 41 ++++++++++++++++++++++ tests/guest-debug/run-test.py | 15 ++++++-- tests/tcg/multiarch/Makefile.target | 9 ++++- tests/tcg/multiarch/gdbstub/late-attach.py | 28 +++++++++++++++ 4 files changed, 90 insertions(+), 3 deletions(-) create mode 100644 tests/tcg/multiarch/late-attach.c create mode 100644 tests/tcg/multiarch/gdbstub/late-attach.py diff --git a/tests/tcg/multiarch/late-attach.c b/tests/tcg/multiarch/late-attach.c new file mode 100644 index 0000000000..20a364034b --- /dev/null +++ b/tests/tcg/multiarch/late-attach.c @@ -0,0 +1,41 @@ +/* + * Test attaching GDB to a running process. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include + +static const char *phase = "start"; + +int main(void) +{ + sigset_t set; + int sig; + + assert(sigfillset(&set) == 0); + assert(sigprocmask(SIG_BLOCK, &set, NULL) == 0); + + /* Let GDB know it can send SIGUSR1. */ + phase = "sigwait"; + if (getenv("LATE_ATTACH_PY")) { + assert(sigwait(&set, &sig) == 0); + if (sig != SIGUSR1) { + fprintf(stderr, "Unexpected signal %d\n", sig); + return EXIT_FAILURE; + } + } + + /* Check that the guest does not see host_interrupt_signal. */ + assert(sigpending(&set) == 0); + for (sig = 1; sig < NSIG; sig++) { + if (sigismember(&set, sig)) { + fprintf(stderr, "Unexpected signal %d\n", sig); + return EXIT_FAILURE; + } + } + + return EXIT_SUCCESS; +} diff --git a/tests/guest-debug/run-test.py b/tests/guest-debug/run-test.py index 5a091db8be..75e9c92e03 100755 --- a/tests/guest-debug/run-test.py +++ b/tests/guest-debug/run-test.py @@ -36,6 +36,8 @@ def get_args(): parser.add_argument("--gdb-args", help="Additional gdb arguments") parser.add_argument("--output", help="A file to redirect output to") parser.add_argument("--stderr", help="A file to redirect stderr to") + parser.add_argument("--no-suspend", action="store_true", + help="Ask the binary to not wait for GDB connection") return parser.parse_args() @@ -73,10 +75,19 @@ def log(output, msg): # Launch QEMU with binary if "system" in args.qemu: + if args.no_suspend: + suspend = '' + else: + suspend = ' -S' cmd = f'{args.qemu} {args.qargs} {args.binary}' \ - f' -S -gdb unix:path={socket_name},server=on' + f'{suspend} -gdb unix:path={socket_name},server=on' else: - cmd = f'{args.qemu} {args.qargs} -g {socket_name} {args.binary}' + if args.no_suspend: + suspend = ',suspend=n' + else: + suspend = '' + cmd = f'{args.qemu} {args.qargs} -g {socket_name}{suspend}' \ + f' {args.binary}' log(output, "QEMU CMD: %s" % (cmd)) inferior = subprocess.Popen(shlex.split(cmd)) diff --git a/tests/tcg/multiarch/Makefile.target b/tests/tcg/multiarch/Makefile.target index 18d3cf4ae0..688a6be203 100644 --- a/tests/tcg/multiarch/Makefile.target +++ b/tests/tcg/multiarch/Makefile.target @@ -130,6 +130,13 @@ run-gdbstub-follow-fork-mode-parent: follow-fork-mode --bin $< --test $(MULTIARCH_SRC)/gdbstub/follow-fork-mode-parent.py, \ following parents on fork) +run-gdbstub-late-attach: late-attach + $(call run-test, $@, env LATE_ATTACH_PY=1 $(GDB_SCRIPT) \ + --gdb $(GDB) \ + --qemu $(QEMU) --qargs "$(QEMU_OPTS)" --no-suspend \ + --bin $< --test $(MULTIARCH_SRC)/gdbstub/late-attach.py, \ + attaching to a running process) + else run-gdbstub-%: $(call skip-test, "gdbstub test $*", "need working gdb with $(patsubst -%,,$(TARGET_NAME)) support") @@ -139,7 +146,7 @@ EXTRA_RUNS += run-gdbstub-sha1 run-gdbstub-qxfer-auxv-read \ run-gdbstub-registers run-gdbstub-prot-none \ run-gdbstub-catch-syscalls run-gdbstub-follow-fork-mode-child \ run-gdbstub-follow-fork-mode-parent \ - run-gdbstub-qxfer-siginfo-read + run-gdbstub-qxfer-siginfo-read run-gdbstub-late-attach # ARM Compatible Semi Hosting Tests # diff --git a/tests/tcg/multiarch/gdbstub/late-attach.py b/tests/tcg/multiarch/gdbstub/late-attach.py new file mode 100644 index 0000000000..1d40efb5ec --- /dev/null +++ b/tests/tcg/multiarch/gdbstub/late-attach.py @@ -0,0 +1,28 @@ +"""Test attaching GDB to a running process. + +SPDX-License-Identifier: GPL-2.0-or-later +""" +from test_gdbstub import main, report + + +def run_test(): + """Run through the tests one by one""" + try: + phase = gdb.parse_and_eval("phase").string() + except gdb.error: + # Assume the guest did not reach main(). + phase = "start" + + if phase == "start": + gdb.execute("break sigwait") + gdb.execute("continue") + phase = gdb.parse_and_eval("phase").string() + report(phase == "sigwait", "{} == \"sigwait\"".format(phase)) + + gdb.execute("signal SIGUSR1") + + exitcode = int(gdb.parse_and_eval("$_exitcode")) + report(exitcode == 0, "{} == 0".format(exitcode)) + + +main(run_test)