+Wed Nov 15 19:22:07 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
+
+ * sysdeps/mach/hurd/dl-sysdep.c: Include _itoa.h from stdio-common
+ instead of stdio.
+ (_dl_sysdep_start): If passed user entry is zero and
+ EXEC_STACK_ARGS flag set, reset user entry to &_start.
+
+ * elf/rtld.c (dl_main): Only call _dl_setup_hash if there is a
+ DT_HASH element.
+
+ * libc-symbols.h [HAVE_ELF] (symbol_set_declare): Gratuitously
+ repeat weak decl using weak_symbol macro, in case using broken GCC
+ (<2.8).
+
+Wed Nov 15 18:49:55 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
+
+ * sysdeps/i386/isnanl.c: New file.
+ * sysdeps/i386/isinfl.c: New file.
+
Tue Nov 14 18:44:21 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* malloc/free.c (free): Moved null and aligned_blocks checks
/* Extract the contents of the dynamic section for easy access. */
elf_get_dynamic_info (l->l_ld, l->l_info);
- /* Set up our cache of pointers into the hash table. */
- _dl_setup_hash (l);
+ if (l->l_info[DT_HASH])
+ /* Set up our cache of pointers into the hash table. */
+ _dl_setup_hash (l);
if (l->l_info[DT_DEBUG])
/* There is a DT_DEBUG entry in the dynamic section. Fill it in
/* Declare SET for use in this module, if defined in another module. */
#define symbol_set_declare(set) \
- extern void *const __start_##set __attribute__ ((__weak__)); \
- extern void *const __stop_##set __attribute__ ((__weak__));
+ extern void *const __start_##set __attribute__ ((__weak__)); \
+ extern void *const __stop_##set __attribute__ ((__weak__)); \
+ /* Gratuitously repeat weak decl, in case using broken GCC (<2.8). */\
+ weak_symbol (__start_##set) weak_symbol (__stop_##set)
/* Return a pointer (void *const *) to the first element of SET. */
#define symbol_set_first_element(set) (&__start_##set)
--- /dev/null
+/* Check `long double' for Infinity. i386 FPU version.
+Copyright (C) 1991, 1992, 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <math.h>
+#include "ieee754.h"
+
+#undef __isinfl
+#undef isinfl
+
+
+/* Return 0 if VALUE is finite or NaN, +1 if it
+ is +Infinity, -1 if it is -Infinity. */
+int
+__isinfl (long double value)
+{
+ union ieee854_long_double u;
+
+ u.d = value;
+
+ /* Intel's interpretation of the IEEE 854 standard defines Inf to
+ have the maximum possible exponent and the MSB of the mantissa
+ set. No further bit of the mantissa must be set. */
+ if ((u.ieee.exponent & 0x7fff) == 0x7fff &&
+ u.ieee.mantissa0 == 0x80000000 && u.ieee.mantissa1 == 0)
+ return u.ieee.negative ? -1 : 1;
+
+ return 0;
+}
+
+weak_alias (__isinfl, isinfl);
--- /dev/null
+/* Check `long double' for Not A Number. i386 FPU version.
+Copyright (C) 1991, 1992, 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <math.h>
+#include "ieee754.h"
+
+#undef __isnanl
+#undef isnanl
+
+
+/* Return nonzero if VALUE is not a number. */
+int
+__isnanl (long double value)
+{
+ union ieee854_long_double u;
+
+ u.d = value;
+
+ /* Intel's interpretation of the IEEE 854 standard defines NaN to
+ have the maximum possible exponent and the MSB and at least one
+ more bit of the mantissa set. */
+ return ((u.ieee.exponent & 0x7fff) == 0x7fff
+ && ((u.ieee.mantissa0 & 0x80000000) != 0)
+ && ((u.ieee.mantissa0 & 0x7fffffff) != 0 || u.ieee.mantissa1 != 0));
+}
+
+weak_alias (__isnanl, isnanl);
#include <mach/mig_support.h>
#include "hurdstartup.h"
#include <mach/host_info.h>
-#include "../stdio/_itoa.h"
+#include "../stdio-common/_itoa.h"
#include <hurd/auth.h>
#include <hurd/term.h>
#include <stdarg.h>
_dl_secure = _dl_hurd_data->flags & EXEC_SECURE;
+ if (_dl_hurd_data->flags & EXEC_STACK_ARGS &&
+ _dl_hurd_data->user_entry == 0)
+ _dl_hurd_data->user_entry = (vm_address_t) &_start;
+
unfmh(); /* XXX */
if (_dl_hurd_data->user_entry == (vm_address_t) &_start)
_dl_sysdep_fatal ("Bogus library spec: ", p, "\n", NULL);
*memobjname++ = '\0';
memobj = (mach_port_t) atoi (memobjname);
-
+
/* Add a user reference on the memory object port, so we will
still have one after _dl_map_object_from_fd calls our
`close'. */
err = __mach_port_mod_refs (__mach_task_self (), memobj,
MACH_PORT_RIGHT_SEND, +1);
assert_perror (err);
-
+
lastslash = strrchr (p, '/');
l = _dl_map_object_from_fd (lastslash ? lastslash + 1 : p,
memobj, strdup (p));
dealloc_dir = 0;
nloops = 0;
-
+
while (1)
{
if (dealloc_dir)
bad_magic:
return __hurd_fail (EGRATUITOUS);
}
- break;
+ break;
default:
return __hurd_fail (EGRATUITOUS);
\f
/* Avoid signal frobnication in setjmp/longjmp. */
-int __sigjmp_save (sigjmp_buf env, int savemask)
+int __sigjmp_save (sigjmp_buf env, int savemask)
{ env[0].__mask_was_saved = savemask; return 0; }
weak_symbol (__sigjmp_save)
projects / platform / upstream / glibc.git / commitdiff