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-rw-r--r--linuxthreads/tst-align.c71
-rw-r--r--misc/qefgcvt_r.c12
-rw-r--r--misc/tst-efgcvt.c7
-rw-r--r--nptl/Makefile2
-rw-r--r--nptl/sysdeps/i386/Makefile2
-rw-r--r--nptl/sysdeps/i386/tls.h7
-rw-r--r--nptl/tst-align2.c87
-rw-r--r--sysdeps/i386/tst-stack-align.h42
-rw-r--r--sysdeps/unix/sysv/linux/i386/clone.S2
9 files changed, 227 insertions, 5 deletions
diff --git a/linuxthreads/tst-align.c b/linuxthreads/tst-align.c
new file mode 100644
index 0000000..2de9d7a
--- /dev/null
+++ b/linuxthreads/tst-align.c
@@ -0,0 +1,71 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ 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 <pthread.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <tst-stack-align.h>
+
+static void *
+tf (void *arg)
+{
+ bool ok = true;
+
+ puts ("in thread");
+
+ if (TEST_STACK_ALIGN ())
+ ok = false;
+
+ return ok ? NULL : (void *) -1l;
+}
+
+static int
+do_test (void)
+{
+ bool ok = true;
+
+ puts ("in main");
+
+ if (TEST_STACK_ALIGN ())
+ ok = false;
+
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, NULL) != 0)
+ {
+ puts ("create failed");
+ return 1;
+ }
+
+ void *res;
+ if (pthread_join (th, &res) != 0)
+ {
+ puts ("join failed");
+ return 1;
+ }
+
+ if (res != NULL)
+ ok = false;
+
+ return ok ? 0 : 1;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/misc/qefgcvt_r.c b/misc/qefgcvt_r.c
index 66cc049..d5b2a79 100644
--- a/misc/qefgcvt_r.c
+++ b/misc/qefgcvt_r.c
@@ -24,6 +24,7 @@
#define FUNC_PREFIX q
#define FLOAT_FMT_FLAG "L"
#define FLOAT_NAME_EXT l
+#define FLOAT_MIN_10_EXP LDBL_MIN_10_EXP
#if LDBL_MANT_DIG == 64
# define NDIGIT_MAX 21
#elif LDBL_MANT_DIG == 53
@@ -40,5 +41,16 @@
# error "NDIGIT_MAX must be precomputed"
# define NDIGIT_MAX (lrint (ceil (M_LN2 / M_LN10 * LDBL_MANT_DIG + 1.0)))
#endif
+#if LDBL_MIN_10_EXP == -37
+# define FLOAT_MIN_10_NORM 1.0e-37L
+#elif LDBL_MIN_10_EXP == -307
+# define FLOAT_MIN_10_NORM 1.0e-307L
+#elif LDBL_MIN_10_EXP == -4931
+# define FLOAT_MIN_10_NORM 1.0e-4931L
+#else
+/* libc can't depend on libm. */
+# error "FLOAT_MIN_10_NORM must be precomputed"
+# define FLOAT_MIN_10_NORM exp10l (LDBL_MIN_10_EXP)
+#endif
#include "efgcvt_r.c"
diff --git a/misc/tst-efgcvt.c b/misc/tst-efgcvt.c
index 91e5cf9..30ab0f1 100644
--- a/misc/tst-efgcvt.c
+++ b/misc/tst-efgcvt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2000, 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
@@ -20,6 +20,7 @@
# define _GNU_SOURCE 1
#endif
+#include <float.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
@@ -59,6 +60,10 @@ static testcase ecvt_tests[] =
{ 123.01, -4, 3, "" },
{ 126.71, -4, 3, "" },
{ 0.0, 4, 1, "0000" },
+#if DBL_MANT_DIG == 53
+ { 0x1p-1074, 3, -323, "494" },
+ { -0x1p-1074, 3, -323, "494" },
+#endif
/* -1.0 is end marker. */
{ -1.0, 0, 0, "" }
};
diff --git a/nptl/Makefile b/nptl/Makefile
index 8149ef5..3cef684 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 693fb05..2f0d88f 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 18b038f..945a4c7 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 0000000..ec85f43
--- /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"
diff --git a/sysdeps/i386/tst-stack-align.h b/sysdeps/i386/tst-stack-align.h
new file mode 100644
index 0000000..6297d9f
--- /dev/null
+++ b/sysdeps/i386/tst-stack-align.h
@@ -0,0 +1,42 @@
+/* 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 <stdio.h>
+#include <stdint.h>
+
+typedef struct { int i[4]; } int_al16 __attribute__((aligned (16)));
+
+#define TEST_STACK_ALIGN() \
+ ({ \
+ int_al16 _m; \
+ double _d = 12.0; \
+ long double _ld = 15.0; \
+ int _ret = 0; \
+ printf ("int_al16: %p %zu\n", &_m, __alignof (int_al16)); \
+ if ((((uintptr_t) &_m) & (__alignof (int_al16) - 1)) != 0) \
+ _ret = 1; \
+ \
+ printf ("double: %g %p %zu\n", _d, &_d, __alignof (double)); \
+ if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0) \
+ _ret = 1; \
+ \
+ printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double)); \
+ if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0) \
+ _ret = 1; \
+ _ret; \
+ })
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S
index acd43df..c7d31f7 100644
--- a/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/sysdeps/unix/sysv/linux/i386/clone.S
@@ -67,7 +67,7 @@ ENTRY (BP_SYM (__clone))
/* Insert the argument onto the new stack. Make sure the new
thread is started with an alignment of (mod 16). */
andl $0xfffffff0, %ecx
- subl $24,%ecx
+ subl $28,%ecx
movl ARG(%esp),%eax /* no negative argument counts */
movl %eax,12(%ecx)
generated by cgit v1.1 at 2024-11-30 23:32:55 +0000