diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/Makefile | 2 | ||||
| -rw-r--r-- | nptl/sysdeps/i386/Makefile | 2 | ||||
| -rw-r--r-- | nptl/sysdeps/i386/tls.h | 7 | ||||
| -rw-r--r-- | nptl/tst-align2.c | 87 |
4 files changed, 95 insertions, 3 deletions
diff --git a/nptl/Makefile b/nptl/Makefile index 8149ef5ed4..3cef684226 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -205,7 +205,7 @@ tests = tst-attr1 tst-attr2 tst-attr3 \ tst-sem1 tst-sem2 tst-sem3 tst-sem4 tst-sem5 tst-sem6 tst-sem7 \ tst-sem8 tst-sem9 \ tst-barrier1 tst-barrier2 tst-barrier3 tst-barrier4 \ - tst-align \ + tst-align tst-align2 \ tst-basic1 tst-basic2 tst-basic3 tst-basic4 tst-basic5 tst-basic6 \ tst-kill1 tst-kill2 tst-kill3 tst-kill4 tst-kill5 tst-kill6 \ tst-raise1 \ diff --git a/nptl/sysdeps/i386/Makefile b/nptl/sysdeps/i386/Makefile index 693fb0569f..2f0d88f303 100644 --- a/nptl/sysdeps/i386/Makefile +++ b/nptl/sysdeps/i386/Makefile @@ -22,4 +22,6 @@ endif ifeq ($(subdir),nptl) CFLAGS-pthread_create.c += -mpreferred-stack-boundary=4 +CFLAGS-tst-align.c += -mpreferred-stack-boundary=4 +CFLAGS-tst-align2.c += -mpreferred-stack-boundary=4 endif diff --git a/nptl/sysdeps/i386/tls.h b/nptl/sysdeps/i386/tls.h index 18b038f93e..945a4c71d6 100644 --- a/nptl/sysdeps/i386/tls.h +++ b/nptl/sysdeps/i386/tls.h @@ -397,9 +397,12 @@ union user_desc_init #define CALL_THREAD_FCT(descr) \ ({ void *__res; \ int __ignore1, __ignore2; \ - asm volatile ("pushl %%gs:%P4\n\t" \ + asm volatile ("pushl %%eax\n\t" \ + "pushl %%eax\n\t" \ + "pushl %%eax\n\t" \ + "pushl %%gs:%P4\n\t" \ "call *%%gs:%P3\n\t" \ - "addl $4, %%esp" \ + "addl $16, %%esp" \ : "=a" (__res), "=c" (__ignore1), "=d" (__ignore2) \ : "i" (offsetof (struct pthread, start_routine)), \ "i" (offsetof (struct pthread, arg))); \ diff --git a/nptl/tst-align2.c b/nptl/tst-align2.c new file mode 100644 index 0000000000..ec85f435b6 --- /dev/null +++ b/nptl/tst-align2.c @@ -0,0 +1,87 @@ +/* Copyright (C) 2004 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sched.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <string.h> +#include <sys/wait.h> +#include <unistd.h> +#include <tst-stack-align.h> + +static int +f (void *arg) +{ + bool ok = true; + + if (TEST_STACK_ALIGN ()) + ok = false; + + return ok ? 0 : 1; +} + +static int +do_test (void) +{ + bool ok = true; + + puts ("in main"); + + if (TEST_STACK_ALIGN ()) + ok = false; + +#ifdef __ia64__ + extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base, + size_t __child_stack_size, int __flags, + void *__arg, ...); + char st[256 * 1024]; + pid_t p = __clone2 (f, st, sizeof (st), 0, 0); +#else + char st[128 * 1024]; + pid_t p = clone (f, st + sizeof (st), 0, 0); +#endif + if (p == -1) + { + printf("clone failed: %m\n"); + return 1; + } + + int e; + if (waitpid (p, &e, __WCLONE) != p) + { + puts ("waitpid failed"); + kill (p, SIGKILL); + return 1; + } + if (!WIFEXITED (e)) + { + if (WIFSIGNALED (e)) + printf ("died from signal %s\n", strsignal (WTERMSIG (e))); + else + puts ("did not terminate correctly"); + return 1; + } + if (WEXITSTATUS (e) != 0) + ok = false; + + return ok ? 0 : 1; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |