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Lu" X-Patchwork-Id: 28555 Received: (qmail 83995 invoked by alias); 21 Jul 2018 14:20:55 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 83517 invoked by uid 89); 21 Jul 2018 14:20:52 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-26.8 required=5.0 tests=AWL, BAYES_00, FREEMAIL_FROM, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: mail-pl0-f42.google.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=E9bA9T4XgQznQTcMPu7GqE80XmNk1KJWPzWpFT2H1e0=; b=KIyu5dd0O+qrBpelz8jGbgDOQNYiPUaJ/NgD0h6rIN/RHSqKMcoA71VASEkHESGni4 DYFRbnv1QPShWiEP5tccxOjtVzsd4G+E9AhD70b1Ifny+Pp2LPMUplsbB1nyH9nn8Jpn H9oQcRSjXC9utn9jvVLKHSbTmEIK2irHFpxmpPxJNcTavp74Txy1EtInKvdCuKiy7Lje FJk7ZizaZmQTGRKgm2o7l6lhI7kLTQVE48DeOD35FzeKPEZ4os4TDVKKQc4MA20LYZ2A /2uO+KKYsqjPyn5m8CXX2jgsjIxDaXbNucr9SUaQo/A1iLmg9RY00wUl8wFU4LgjqOSW ZAig== Return-Path: From: "H.J. Lu" To: libc-alpha@sourceware.org Cc: Carlos O'Donell Subject: [PATCH 12/12] Add tests for setcontext on the context from makecontext Date: Sat, 21 Jul 2018 07:20:35 -0700 Message-Id: <20180721142035.21059-13-hjl.tools@gmail.com> In-Reply-To: <20180721142035.21059-1-hjl.tools@gmail.com> References: <20180721142035.21059-1-hjl.tools@gmail.com> * stdlib/Makefile ((tests): Add tst-setcontext6, tst-setcontext7, tst-setcontext8 and tst-setcontext9. * stdlib/tst-setcontext6.c: New file. * stdlib/tst-setcontext7.c: Likewise. * stdlib/tst-setcontext8.c: Likewise. * stdlib/tst-setcontext9.c: Likewise. Reviewed-by: Carlos O'Donell --- stdlib/Makefile | 3 +- stdlib/tst-setcontext6.c | 76 +++++++++++++++++++++++++++++ stdlib/tst-setcontext7.c | 96 +++++++++++++++++++++++++++++++++++++ stdlib/tst-setcontext8.c | 81 +++++++++++++++++++++++++++++++ stdlib/tst-setcontext9.c | 100 +++++++++++++++++++++++++++++++++++++++ 5 files changed, 355 insertions(+), 1 deletion(-) create mode 100644 stdlib/tst-setcontext6.c create mode 100644 stdlib/tst-setcontext7.c create mode 100644 stdlib/tst-setcontext8.c create mode 100644 stdlib/tst-setcontext9.c diff --git a/stdlib/Makefile b/stdlib/Makefile index 8db4f1d35a..638306bb5c 100644 --- a/stdlib/Makefile +++ b/stdlib/Makefile @@ -86,7 +86,8 @@ tests := tst-strtol tst-strtod testmb testrand testsort testdiv \ test-on_exit-race test-dlclose-exit-race \ tst-makecontext-align test-bz22786 tst-strtod-nan-sign \ tst-swapcontext1 tst-swapcontext2 tst-setcontext4 \ - tst-setcontext5 + tst-setcontext5 tst-setcontext6 tst-setcontext7 \ + tst-setcontext8 tst-setcontext9 tests-internal := tst-strtod1i tst-strtod3 tst-strtod4 tst-strtod5i \ tst-tls-atexit tst-tls-atexit-nodelete diff --git a/stdlib/tst-setcontext6.c b/stdlib/tst-setcontext6.c new file mode 100644 index 0000000000..c719e2d678 --- /dev/null +++ b/stdlib/tst-setcontext6.c @@ -0,0 +1,76 @@ +/* Check getcontext and setcontext on the context from makecontext. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include +#include + +static ucontext_t ctx[3]; +static volatile int done; + +static void +f1 (void) +{ + printf ("start f1\n"); + if (!done) + { + if (getcontext (&ctx[2]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (done) + exit (EXIT_SUCCESS); + } + done++; + if (setcontext (&ctx[2]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } +} + +static int +do_test (void) +{ + char st1[32768]; + puts ("making contexts"); + if (getcontext (&ctx[0]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (getcontext (&ctx[1]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + ctx[1].uc_stack.ss_sp = st1; + ctx[1].uc_stack.ss_size = sizeof st1; + ctx[1].uc_link = &ctx[0]; + makecontext (&ctx[1], (void (*) (void)) f1, 0); + if (setcontext (&ctx[1]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + exit (EXIT_FAILURE); +} + +#include diff --git a/stdlib/tst-setcontext7.c b/stdlib/tst-setcontext7.c new file mode 100644 index 0000000000..e331e511ef --- /dev/null +++ b/stdlib/tst-setcontext7.c @@ -0,0 +1,96 @@ +/* Check setcontext on the context from makecontext. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include +#include + +static ucontext_t ctx[5]; +static volatile int done; + +static void +f1 (void) +{ + puts ("start f1"); + if (!done) + { + if (getcontext (&ctx[2]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (done) + { + puts ("set context in f1"); + if (setcontext (&ctx[3]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + } + } + done++; + puts ("swap contexts in f1"); + if (swapcontext (&ctx[4], &ctx[2]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + puts ("end f1"); + exit (done == 2 ? EXIT_SUCCESS : EXIT_FAILURE); +} + +static int +do_test (void) +{ + char st1[32768]; + puts ("making contexts"); + if (getcontext (&ctx[0]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (getcontext (&ctx[1]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + ctx[1].uc_stack.ss_sp = st1; + ctx[1].uc_stack.ss_size = sizeof st1; + ctx[1].uc_link = &ctx[0]; + makecontext (&ctx[1], (void (*) (void)) f1, 0); + puts ("swap contexts"); + if (swapcontext (&ctx[3], &ctx[1]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (done != 1) + exit (EXIT_FAILURE); + done++; + puts ("set context"); + if (setcontext (&ctx[4]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + exit (EXIT_FAILURE); +} + +#include diff --git a/stdlib/tst-setcontext8.c b/stdlib/tst-setcontext8.c new file mode 100644 index 0000000000..a7febf6c67 --- /dev/null +++ b/stdlib/tst-setcontext8.c @@ -0,0 +1,81 @@ +/* Check getcontext and setcontext on the context from makecontext. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include +#include + +static ucontext_t ctx[3]; +static volatile int done; + +static void +__attribute__((noinline, noclone)) +f2 (void) +{ + printf ("start f2\n"); + done++; + if (setcontext (&ctx[2]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } +} + +static void +f1 (void) +{ + printf ("start f1\n"); + if (getcontext (&ctx[2]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (done) + exit (EXIT_SUCCESS); + f2 (); +} + +static int +do_test (void) +{ + char st1[32768]; + puts ("making contexts"); + if (getcontext (&ctx[0]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (getcontext (&ctx[1]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + ctx[1].uc_stack.ss_sp = st1; + ctx[1].uc_stack.ss_size = sizeof st1; + ctx[1].uc_link = &ctx[0]; + makecontext (&ctx[1], (void (*) (void)) f1, 0); + if (setcontext (&ctx[1]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + exit (EXIT_FAILURE); +} + +#include diff --git a/stdlib/tst-setcontext9.c b/stdlib/tst-setcontext9.c new file mode 100644 index 0000000000..53609d4b10 --- /dev/null +++ b/stdlib/tst-setcontext9.c @@ -0,0 +1,100 @@ +/* Check setcontext on the context from makecontext. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include +#include + +static ucontext_t ctx[5]; +static volatile int done; + +static void +__attribute__((noinline, noclone)) +f2 (void) +{ + done++; + puts ("swap contexts in f2"); + if (swapcontext (&ctx[4], &ctx[2]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + puts ("end f2"); + exit (done == 2 ? EXIT_SUCCESS : EXIT_FAILURE); +} + +static void +f1 (void) +{ + puts ("start f1"); + if (getcontext (&ctx[2]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (done) + { + puts ("set context in f1"); + if (setcontext (&ctx[3]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + } + f2 (); +} + +static int +do_test (void) +{ + char st1[32768]; + puts ("making contexts"); + if (getcontext (&ctx[0]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (getcontext (&ctx[1]) != 0) + { + printf ("%s: getcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + ctx[1].uc_stack.ss_sp = st1; + ctx[1].uc_stack.ss_size = sizeof st1; + ctx[1].uc_link = &ctx[0]; + makecontext (&ctx[1], (void (*) (void)) f1, 0); + puts ("swap contexts"); + if (swapcontext (&ctx[3], &ctx[1]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + if (done != 1) + exit (EXIT_FAILURE); + done++; + puts ("set context"); + if (setcontext (&ctx[4]) != 0) + { + printf ("%s: setcontext: %m\n", __FUNCTION__); + exit (EXIT_FAILURE); + } + exit (EXIT_FAILURE); +} + +#include