aboutsummaryrefslogtreecommitdiffstats
path: root/sysdeps
diff options
context:
space:
mode:
authorJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
commit32c075e1f01849e161724bbd400ba77244e482cc (patch)
tree5f083a3f352104f32bb6c902d57fa3f294bd8d4d /sysdeps
parentd6220e9ee38c1c9285221b023346201ec5f511b3 (diff)
downloadtermbaud-32c075e1f01849e161724bbd400ba77244e482cc.tar.gz
termbaud-32c075e1f01849e161724bbd400ba77244e482cc.tar.xz
termbaud-32c075e1f01849e161724bbd400ba77244e482cc.zip
.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/alpha/dl-machine.h28
-rw-r--r--sysdeps/alpha/libc-tls.c6
-rw-r--r--sysdeps/generic/ldsodefs.h72
-rw-r--r--sysdeps/generic/tls.h7
-rw-r--r--sysdeps/gnu/errlist-compat.awk12
-rw-r--r--sysdeps/gnu/netinet/tcp.h1
-rw-r--r--sysdeps/gnu/siglist.c27
-rw-r--r--sysdeps/i386/bits/byteswap.h6
-rw-r--r--sysdeps/i386/dl-machine.h12
-rw-r--r--sysdeps/i386/fpu/e_log.S11
-rw-r--r--sysdeps/i386/fpu/e_logf.S11
-rw-r--r--sysdeps/i386/fpu/e_logl.S11
-rw-r--r--sysdeps/i386/fpu/e_pow.S18
-rw-r--r--sysdeps/i386/fpu/e_powf.S18
-rw-r--r--sysdeps/i386/fpu/e_powl.S18
-rw-r--r--sysdeps/i386/fpu/math_private.h18
-rw-r--r--sysdeps/i386/fpu/s_nextafterl.c18
-rw-r--r--sysdeps/i386/fpu/s_nexttoward.c25
-rw-r--r--sysdeps/i386/fpu/s_nexttowardf.c25
-rw-r--r--sysdeps/i386/i486/bits/atomic.h370
-rw-r--r--sysdeps/i386/i686/memcmp.S70
-rw-r--r--sysdeps/i386/ldbl2mpn.c13
-rw-r--r--sysdeps/i386/soft-fp/sfp-machine.h89
-rw-r--r--sysdeps/i386/sysdep.h14
-rw-r--r--sysdeps/ia64/dl-machine.h6
-rw-r--r--sysdeps/ia64/fpu/fesetround.c6
-rw-r--r--sysdeps/ia64/ldbl2mpn.c1
-rw-r--r--sysdeps/ia64/libc-tls.c6
-rw-r--r--sysdeps/ieee754/dbl-64/e_pow.c22
-rw-r--r--sysdeps/ieee754/flt-32/s_nextafterf.c20
-rw-r--r--sysdeps/ieee754/ldbl-128/s_nextafterl.c18
-rw-r--r--sysdeps/ieee754/ldbl-128/s_nexttoward.c23
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/mpn2ldbl.c75
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/printf_fphex.c35
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c37
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c107
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c23
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c26
-rw-r--r--sysdeps/ieee754/ldbl-96/s_nextafterl.c20
-rw-r--r--sysdeps/ieee754/ldbl-96/s_nexttoward.c23
-rw-r--r--sysdeps/ieee754/ldbl-96/s_nexttowardf.c28
-rw-r--r--sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c28
-rw-r--r--sysdeps/mach/hurd/fork.c4
-rw-r--r--sysdeps/mach/hurd/futimes.c18
-rw-r--r--sysdeps/mach/hurd/i386/tls.h5
-rw-r--r--sysdeps/mach/hurd/lutimes.c17
-rw-r--r--sysdeps/mach/hurd/utimes.c19
-rw-r--r--sysdeps/posix/euidaccess.c10
-rw-r--r--sysdeps/posix/getaddrinfo.c14
-rw-r--r--sysdeps/powerpc/fpu/bits/mathinline.h58
-rw-r--r--sysdeps/powerpc/fpu/math_private.h83
-rw-r--r--sysdeps/powerpc/powerpc32/dl-machine.c6
-rw-r--r--sysdeps/powerpc/powerpc32/dl-machine.h8
-rw-r--r--sysdeps/powerpc/powerpc32/sysdep.h2
-rw-r--r--sysdeps/powerpc/powerpc64/dl-machine.h11
-rw-r--r--sysdeps/s390/libc-tls.c8
-rw-r--r--sysdeps/s390/s390-32/dl-machine.h12
-rw-r--r--sysdeps/s390/s390-64/dl-machine.h12
-rw-r--r--sysdeps/sh/dl-machine.h6
-rw-r--r--sysdeps/sparc/sparc32/dl-machine.h4
-rw-r--r--sysdeps/sparc/sparc64/dl-machine.h4
-rw-r--r--sysdeps/unix/sysv/linux/Versions3
-rw-r--r--sysdeps/unix/sysv/linux/bits/statvfs.h6
-rw-r--r--sysdeps/unix/sysv/linux/check_pf.c42
-rw-r--r--sysdeps/unix/sysv/linux/i386/clone.S4
-rw-r--r--sysdeps/unix/sysv/linux/i386/getgroups.c5
-rw-r--r--sysdeps/unix/sysv/linux/i386/sigaction.c14
-rw-r--r--sysdeps/unix/sysv/linux/ifaddrs.c75
-rw-r--r--sysdeps/unix/sysv/linux/internal_statvfs.c4
-rw-r--r--sysdeps/unix/sysv/linux/posix_madvise.c38
-rw-r--r--sysdeps/unix/sysv/linux/sh/bits/shm.h101
-rw-r--r--sysdeps/unix/sysv/linux/sh/sys/io.h48
-rw-r--r--sysdeps/unix/sysv/linux/sys/epoll.h20
-rw-r--r--sysdeps/unix/sysv/linux/syscalls.list4
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/Makefile2
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/clone.S4
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/sigaction.c104
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym3
-rw-r--r--sysdeps/x86_64/bits/atomic.h334
-rw-r--r--sysdeps/x86_64/bits/byteswap.h7
-rw-r--r--sysdeps/x86_64/dl-machine.h8
-rw-r--r--sysdeps/x86_64/fpu/e_log10l.S5
-rw-r--r--sysdeps/x86_64/fpu/e_log2l.S5
-rw-r--r--sysdeps/x86_64/fpu/e_logl.S12
-rw-r--r--sysdeps/x86_64/fpu/e_powl.S19
-rw-r--r--sysdeps/x86_64/fpu/math_private.h21
-rw-r--r--sysdeps/x86_64/fpu/s_copysign.S5
-rw-r--r--sysdeps/x86_64/fpu/s_copysignf.S3
-rw-r--r--sysdeps/x86_64/fpu/s_log1pl.S5
-rw-r--r--sysdeps/x86_64/ldbl2mpn.c1
-rw-r--r--sysdeps/x86_64/soft-fp/sfp-machine.h51
91 files changed, 1287 insertions, 1371 deletions
diff --git a/sysdeps/alpha/dl-machine.h b/sysdeps/alpha/dl-machine.h
index 29f500b2d0..88c357ea07 100644
--- a/sysdeps/alpha/dl-machine.h
+++ b/sysdeps/alpha/dl-machine.h
@@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. Alpha version.
- Copyright (C) 1996-2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1996-2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>.
@@ -232,14 +232,14 @@ $fixup_stack: \n\
to one of the main executable's symbols, as for a COPY reloc.
This is unused on Alpha. */
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
-# define elf_machine_type_class(type) \
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
+#define elf_machine_type_class(type) \
(((type) == R_ALPHA_JMP_SLOT \
|| (type) == R_ALPHA_DTPMOD64 \
|| (type) == R_ALPHA_DTPREL64 \
|| (type) == R_ALPHA_TPREL64) * ELF_RTYPE_CLASS_PLT)
#else
-# define elf_machine_type_class(type) \
+#define elf_machine_type_class(type) \
(((type) == R_ALPHA_JMP_SLOT) * ELF_RTYPE_CLASS_PLT)
#endif
@@ -439,40 +439,40 @@ elf_machine_rela (struct link_map *map,
memcpy (reloc_addr_arg, &sym_value, 8);
}
#endif
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
else if (r_type == R_ALPHA_DTPMOD64)
{
-# ifdef RTLD_BOOTSTRAP
+#ifdef RTLD_BOOTSTRAP
/* During startup the dynamic linker is always index 1. */
*reloc_addr = 1;
-# else
+#else
/* Get the information from the link map returned by the
resolv function. */
if (sym_map != NULL)
*reloc_addr = sym_map->l_tls_modid;
-# endif
+#endif
}
else if (r_type == R_ALPHA_DTPREL64)
{
-# ifndef RTLD_BOOTSTRAP
+#ifndef RTLD_BOOTSTRAP
/* During relocation all TLS symbols are defined and used.
Therefore the offset is already correct. */
*reloc_addr = sym_raw_value;
-# endif
+#endif
}
else if (r_type == R_ALPHA_TPREL64)
{
-# ifdef RTLD_BOOTSTRAP
+#ifdef RTLD_BOOTSTRAP
*reloc_addr = sym_raw_value + map->l_tls_offset;
-# else
+#else
if (sym_map)
{
CHECK_STATIC_TLS (map, sym_map);
*reloc_addr = sym_raw_value + sym_map->l_tls_offset;
}
-# endif
- }
#endif
+ }
+#endif /* USE_TLS */
else
_dl_reloc_bad_type (map, r_type, 0);
}
diff --git a/sysdeps/alpha/libc-tls.c b/sysdeps/alpha/libc-tls.c
index 7e02769171..24629e9aca 100644
--- a/sysdeps/alpha/libc-tls.c
+++ b/sysdeps/alpha/libc-tls.c
@@ -1,5 +1,5 @@
/* Thread-local storage handling in the ELF dynamic linker. Alpha version.
- Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2005 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 +20,8 @@
#include <csu/libc-tls.c>
#include <dl-tls.h>
+#if USE_TLS
+
/* On Alpha, linker optimizations are not required, so __tls_get_addr
can be called even in statically linked binaries. In this case module
must be always 1 and PT_TLS segment exist in the binary, otherwise it
@@ -31,3 +33,5 @@ __tls_get_addr (tls_index *ti)
dtv_t *dtv = THREAD_DTV ();
return (char *) dtv[1].pointer.val + ti->ti_offset;
}
+
+#endif
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index dda91bb806..eee6141c6a 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -1,5 +1,5 @@
/* Run-time dynamic linker data structures for loaded ELF shared objects.
- Copyright (C) 1995-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1995-2006, 2007 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
@@ -38,7 +38,6 @@
#include <bits/libc-lock.h>
#include <hp-timing.h>
#include <tls.h>
-#include <rtld-lowlevel.h>
__BEGIN_DECLS
@@ -439,18 +438,23 @@ struct rtld_global
EXTERN void (*_dl_rtld_unlock_recursive) (void *);
#endif
- /* Prevailing state of the stack, PF_X indicating it's executable. */
- EXTERN ElfW(Word) _dl_stack_flags;
-
/* If loading a shared object requires that we make the stack executable
when it was not, we do it by calling this function.
It returns an errno code or zero on success. */
EXTERN int (*_dl_make_stack_executable_hook) (void **) internal_function;
- /* Highest dtv index currently needed. */
- EXTERN size_t _dl_tls_max_dtv_idx;
+ /* Prevailing state of the stack, PF_X indicating it's executable. */
+ EXTERN ElfW(Word) _dl_stack_flags;
+
+ /* Keep the conditional TLS members at the end so the layout of the
+ structure used by !USE_TLS code matches the prefix of the layout in
+ the USE_TLS rtld. Note that `struct link_map' is conditionally
+ defined as well, so _dl_rtld_map needs to be last before this. */
+#ifdef USE_TLS
/* Flag signalling whether there are gaps in the module ID allocation. */
EXTERN bool _dl_tls_dtv_gaps;
+ /* Highest dtv index currently needed. */
+ EXTERN size_t _dl_tls_max_dtv_idx;
/* Information about the dtv slots. */
EXTERN struct dtv_slotinfo_list
{
@@ -474,10 +478,10 @@ struct rtld_global
/* Number of additional entries in the slotinfo array of each slotinfo
list element. A large number makes it almost certain take we never
have to iterate beyond the first element in the slotinfo list. */
-#define TLS_SLOTINFO_SURPLUS (62)
+# define TLS_SLOTINFO_SURPLUS (62)
/* Number of additional slots in the dtv allocated. */
-#define DTV_SURPLUS (14)
+# define DTV_SURPLUS (14)
/* Initial dtv of the main thread, not allocated with normal malloc. */
EXTERN void *_dl_initial_dtv;
@@ -485,18 +489,31 @@ struct rtld_global
EXTERN size_t _dl_tls_generation;
EXTERN void (*_dl_init_static_tls) (struct link_map *);
+#endif
+
+ EXTERN void (*_dl_wait_lookup_done) (void);
+ /* Scopes to free after next THREAD_GSCOPE_WAIT (). */
+ EXTERN struct dl_scope_free_list
+ {
+ size_t count;
+ struct r_scope_elem **list[50];
+ } *_dl_scope_free_list;
#ifdef SHARED
};
# define __rtld_global_attribute__
# ifdef IS_IN_rtld
-# ifdef HAVE_SDATA_SECTION
-# define __rtld_local_attribute__ \
+# ifdef HAVE_VISIBILITY_ATTRIBUTE
+# ifdef HAVE_SDATA_SECTION
+# define __rtld_local_attribute__ \
__attribute__ ((visibility ("hidden"), section (".sdata")))
-# undef __rtld_global_attribute__
-# define __rtld_global_attribute__ __attribute__ ((section (".sdata")))
+# undef __rtld_global_attribute__
+# define __rtld_global_attribute__ __attribute__ ((section (".sdata")))
+# else
+# define __rtld_local_attribute__ __attribute__ ((visibility ("hidden")))
+# endif
# else
-# define __rtld_local_attribute__ __attribute__ ((visibility ("hidden")))
+# define __rtld_local_attribute__
# endif
extern struct rtld_global _rtld_local __rtld_local_attribute__;
# undef __rtld_local_attribute__
@@ -532,15 +549,15 @@ struct rtld_global_ro
#define DL_DEBUG_HELP (1 << 9)
#define DL_DEBUG_PRELINK (1 << 10)
- /* Cached value of `getpagesize ()'. */
- EXTERN size_t _dl_pagesize;
-
/* OS version. */
EXTERN unsigned int _dl_osversion;
/* Platform name. */
EXTERN const char *_dl_platform;
EXTERN size_t _dl_platformlen;
+ /* Cached value of `getpagesize ()'. */
+ EXTERN size_t _dl_pagesize;
+
/* Copy of the content of `_dl_main_searchlist' at startup time. */
EXTERN struct r_scope_elem _dl_initial_searchlist;
@@ -569,9 +586,6 @@ struct rtld_global_ro
/* Expected cache ID. */
EXTERN int _dl_correct_cache_id;
- /* 0 if internal pointer values should not be guarded, 1 if they should. */
- EXTERN int _dl_pointer_guard;
-
/* Mask for hardware capabilities that are available. */
EXTERN uint64_t _dl_hwcap;
@@ -655,10 +669,17 @@ struct rtld_global_ro
/* List of auditing interfaces. */
struct audit_ifaces *_dl_audit;
unsigned int _dl_naudit;
+
+ /* 0 if internal pointer values should not be guarded, 1 if they should. */
+ EXTERN int _dl_pointer_guard;
};
# define __rtld_global_attribute__
# ifdef IS_IN_rtld
-# define __rtld_local_attribute__ __attribute__ ((visibility ("hidden")))
+# ifdef HAVE_VISIBILITY_ATTRIBUTE
+# define __rtld_local_attribute__ __attribute__ ((visibility ("hidden")))
+# else
+# define __rtld_local_attribute__
+# endif
extern struct rtld_global_ro _rtld_local_ro
attribute_relro __rtld_local_attribute__;
extern struct rtld_global_ro _rtld_global_ro
@@ -1023,7 +1044,9 @@ rtld_hidden_proto (_dl_allocate_tls_init)
extern void _dl_deallocate_tls (void *tcb, bool dealloc_tcb) internal_function;
rtld_hidden_proto (_dl_deallocate_tls)
+#if defined USE_TLS
extern void _dl_nothread_init_static_tls (struct link_map *) attribute_hidden;
+#endif
/* Find origin of the executable. */
extern const char *_dl_get_origin (void) attribute_hidden;
@@ -1046,6 +1069,11 @@ extern void *_dl_open (const char *name, int mode, const void *caller,
Lmid_t nsid, int argc, char *argv[], char *env[])
attribute_hidden;
+/* Free or queue for freeing scope OLD. If other threads might be
+ in the middle of _dl_fixup, _dl_profile_fixup or dl*sym using the
+ old scope, OLD can't be freed until no thread is using it. */
+extern int _dl_scope_free (struct r_scope_elem **old) attribute_hidden;
+
/* Add module to slot information data. */
extern void _dl_add_to_slotinfo (struct link_map *l) attribute_hidden;
@@ -1057,6 +1085,8 @@ extern struct link_map *_dl_update_slotinfo (unsigned long int req_modid);
but never touch anything. Return null if it's not allocated yet. */
extern void *_dl_tls_get_addr_soft (struct link_map *l) internal_function;
+extern int _dl_addr_inside_object (struct link_map *l, const ElfW(Addr) addr)
+ internal_function attribute_hidden;
__END_DECLS
diff --git a/sysdeps/generic/tls.h b/sysdeps/generic/tls.h
index 06e41ad121..6a23ec05e1 100644
--- a/sysdeps/generic/tls.h
+++ b/sysdeps/generic/tls.h
@@ -1,5 +1,5 @@
/* Definition for thread-local data handling. Generic version.
- Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002 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
@@ -17,6 +17,11 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+/* By default no TLS support is available. This is signaled by the
+ absence of the symbol USE_TLS. */
+#undef USE_TLS
+
+
/* An architecture-specific version of this file has to defined a
number of symbols:
diff --git a/sysdeps/gnu/errlist-compat.awk b/sysdeps/gnu/errlist-compat.awk
index 307c4d7020..ab67a18f64 100644
--- a/sysdeps/gnu/errlist-compat.awk
+++ b/sysdeps/gnu/errlist-compat.awk
@@ -1,5 +1,5 @@
# awk script to generate errlist-compat.c
-# Copyright (C) 2002, 2004, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2002, 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
@@ -92,18 +92,16 @@ END {
printf "# include <bits/wordsize.h>\n";
printf "extern const char *const __sys_errlist_%s[NERR];\n", old;
printf "const int __sys_nerr_%s = %d;\n", old, n;
- printf "declare_symbol_alias (__sys_errlist_%s, _sys_errlist_internal,", \
- old;
- printf " object, __WORDSIZE/8*%d)\n", n;
+ printf "strong_alias (_sys_errlist_internal, __sys_errlist_%s)\n", old;
+ printf "declare_symbol (__sys_errlist_%s, object, __WORDSIZE/8*%d)\n", \
+ old, n;
printf "compat_symbol (libc, __sys_errlist_%s, sys_errlist, %s);\n", \
old, old;
printf "compat_symbol (libc, __sys_nerr_%s, sys_nerr, %s);\n", old, old;
printf "extern const char *const ___sys_errlist_%s[NERR];\n", old;
printf "extern const int __sys_nerr_%s;\n", old;
- printf "declare_symbol_alias (___sys_errlist_%s, _sys_errlist_internal,", \
- old;
- printf " object, __WORDSIZE/8*%d)\n", n;
+ printf "strong_alias (__sys_errlist_%s, ___sys_errlist_%s)\n", old, old;
printf "strong_alias (__sys_nerr_%s, ___sys_nerr_%s)\n", old, old;
printf "compat_symbol (libc, ___sys_errlist_%s, _sys_errlist, %s);\n", \
old, old;
diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h
index 2c04ec9b7f..87099ec14a 100644
--- a/sysdeps/gnu/netinet/tcp.h
+++ b/sysdeps/gnu/netinet/tcp.h
@@ -49,7 +49,6 @@
#define TCP_WINDOW_CLAMP 10 /* Bound advertised window */
#define TCP_INFO 11 /* Information about this connection. */
#define TCP_QUICKACK 12 /* Bock/reenable quick ACKs. */
-#define TCP_CONGESTION 13 /* Congestion control algorithm. */
#ifdef __USE_MISC
# include <sys/types.h>
diff --git a/sysdeps/gnu/siglist.c b/sysdeps/gnu/siglist.c
index 3005f867f0..cb1875f9eb 100644
--- a/sysdeps/gnu/siglist.c
+++ b/sysdeps/gnu/siglist.c
@@ -1,5 +1,5 @@
/* Define list of all signal numbers and their names.
- Copyright (C) 1997-2000, 2002, 2003, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1997-2000, 2002, 2003 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
@@ -40,30 +40,27 @@ const char *const __new_sys_sigabbrev[NSIG] =
strong_alias (__new_sys_sigabbrev, _sys_sigabbrev_internal)
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
-declare_symbol_alias (__old_sys_siglist, __new_sys_siglist, object,
- OLD_SIGLIST_SIZE * __WORDSIZE / 8)
+strong_alias (_sys_siglist_internal, __old_sys_siglist)
+declare_symbol (__old_sys_siglist, object, OLD_SIGLIST_SIZE * __WORDSIZE / 8)
-declare_symbol_alias (__old_sys_sigabbrev, __new_sys_sigabbrev, object,
- OLD_SIGLIST_SIZE * __WORDSIZE / 8)
-
-declare_symbol_alias (_old_sys_siglist, __new_sys_siglist, object,
- OLD_SIGLIST_SIZE * __WORDSIZE / 8)
+strong_alias (_sys_sigabbrev_internal, __old_sys_sigabbrev)
+declare_symbol (__old_sys_sigabbrev, object, OLD_SIGLIST_SIZE * __WORDSIZE / 8)
+strong_alias (__old_sys_siglist, _old_sys_siglist)
compat_symbol (libc, __old_sys_siglist, _sys_siglist, GLIBC_2_0);
compat_symbol (libc, _old_sys_siglist, sys_siglist, GLIBC_2_0);
compat_symbol (libc, __old_sys_sigabbrev, sys_sigabbrev, GLIBC_2_0);
#endif
#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3_3) && defined OLD2_SIGLIST_SIZE
-declare_symbol_alias (__old2_sys_siglist, __new_sys_siglist, object,
- OLD2_SIGLIST_SIZE * __WORDSIZE / 8)
-
-declare_symbol_alias (__old2_sys_sigabbrev, __new_sys_sigabbrev, object,
- OLD2_SIGLIST_SIZE * __WORDSIZE / 8)
+strong_alias (_sys_siglist_internal, __old2_sys_siglist)
+declare_symbol (__old2_sys_siglist, object, OLD2_SIGLIST_SIZE * __WORDSIZE / 8)
-declare_symbol_alias (_old2_sys_siglist, __new_sys_siglist, object,
- OLD2_SIGLIST_SIZE * __WORDSIZE / 8)
+strong_alias (_sys_sigabbrev_internal, __old2_sys_sigabbrev)
+declare_symbol (__old2_sys_sigabbrev, object,
+ OLD2_SIGLIST_SIZE * __WORDSIZE / 8)
+strong_alias (__old2_sys_siglist, _old2_sys_siglist)
compat_symbol (libc, __old2_sys_siglist, _sys_siglist, GLIBC_2_1);
compat_symbol (libc, _old2_sys_siglist, sys_siglist, GLIBC_2_1);
compat_symbol (libc, __old2_sys_sigabbrev, sys_sigabbrev, GLIBC_2_1);
diff --git a/sysdeps/i386/bits/byteswap.h b/sysdeps/i386/bits/byteswap.h
index bed27559c5..7f2ddc2dc5 100644
--- a/sysdeps/i386/bits/byteswap.h
+++ b/sysdeps/i386/bits/byteswap.h
@@ -1,5 +1,6 @@
/* Macros to swap the order of bytes in integer values.
- Copyright (C) 1997,1998,2000,2002,2003,2006 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2000, 2002, 2003, 2006, 2007
+ 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
@@ -66,7 +67,8 @@ __bswap_16 (unsigned short int __bsx)
`bswap' opcode. On i386 we have to use three instructions. */
# if !defined __i486__ && !defined __pentium__ && !defined __pentiumpro__ \
&& !defined __pentium4__ && !defined __k8__ && !defined __athlon__ \
- && !defined __k6__
+ && !defined __k6__ && !defined __nocona__ && !defined __core2__ \
+ && !defined __geode__ && !defined __amdfam10__
# define __bswap_32(x) \
(__extension__ \
({ register unsigned int __v, __x = (x); \
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 04296d2a9a..df3edf5460 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. i386 version.
- Copyright (C) 1995-2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1995-2002, 2003, 2004, 2005 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
@@ -34,7 +34,9 @@ elf_machine_matches_host (const Elf32_Ehdr *ehdr)
}
-#ifdef PI_STATIC_AND_HIDDEN
+#if defined PI_STATIC_AND_HIDDEN \
+ && defined HAVE_VISIBILITY_ATTRIBUTE && defined HAVE_HIDDEN \
+ && !defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE
/* Return the link-time address of _DYNAMIC. Conveniently, this is the
first element of the GOT, a special entry that is never relocated. */
@@ -242,7 +244,7 @@ _dl_start_user:\n\
define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
# define elf_machine_type_class(type) \
((((type) == R_386_JMP_SLOT || (type) == R_386_TLS_DTPMOD32 \
|| (type) == R_386_TLS_DTPOFF32 || (type) == R_386_TLS_TPOFF32 \
@@ -350,7 +352,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
*reloc_addr = value;
break;
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
case R_386_TLS_DTPMOD32:
# ifdef RTLD_BOOTSTRAP
/* During startup the dynamic linker is always the module
@@ -474,6 +476,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
*reloc_addr = (value + reloc->r_addend - (Elf32_Addr) reloc_addr);
break;
+# ifdef USE_TLS
case R_386_TLS_DTPMOD32:
/* Get the information from the link map returned by the
resolv function. */
@@ -510,6 +513,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
+ reloc->r_addend;
}
break;
+# endif /* use TLS */
case R_386_COPY:
if (sym == NULL)
/* This can happen in trace mode if an object could not be
diff --git a/sysdeps/i386/fpu/e_log.S b/sysdeps/i386/fpu/e_log.S
index 5604e638f5..ce55b72292 100644
--- a/sysdeps/i386/fpu/e_log.S
+++ b/sysdeps/i386/fpu/e_log.S
@@ -36,11 +36,15 @@ limit: .double 0.29
ENTRY(__ieee754_log)
fldln2 // log(2)
fldl 4(%esp) // x : log(2)
+ fxam
+ fnstsw
#ifdef PIC
LOAD_PIC_REG (dx)
#endif
fld %st // x : x : log(2)
- fsubl MO(one) // x-1 : x : log(2)
+ sahf
+ jc 3f // in case x is NaN or +-Inf
+4: fsubl MO(one) // x-1 : x : log(2)
fld %st // x-1 : x-1 : x : log(2)
fabs // |x-1| : x-1 : x : log(2)
fcompl MO(limit) // x-1 : x : log(2)
@@ -54,4 +58,9 @@ ENTRY(__ieee754_log)
2: fstp %st(0) // x : log(2)
fyl2x // log(x)
ret
+
+3: jp 4b // in case x is +-Inf
+ fstp %st(1)
+ fstp %st(1)
+ ret
END (__ieee754_log)
diff --git a/sysdeps/i386/fpu/e_logf.S b/sysdeps/i386/fpu/e_logf.S
index 128bb2754c..cd4538b594 100644
--- a/sysdeps/i386/fpu/e_logf.S
+++ b/sysdeps/i386/fpu/e_logf.S
@@ -37,11 +37,15 @@ limit: .double 0.29
ENTRY(__ieee754_logf)
fldln2 // log(2)
flds 4(%esp) // x : log(2)
+ fxam
+ fnstsw
#ifdef PIC
LOAD_PIC_REG (dx)
#endif
fld %st // x : x : log(2)
- fsubl MO(one) // x-1 : x : log(2)
+ sahf
+ jc 3f // in case x is NaN or +-Inf
+4: fsubl MO(one) // x-1 : x : log(2)
fld %st // x-1 : x-1 : x : log(2)
fabs // |x-1| : x-1 : x : log(2)
fcompl MO(limit) // x-1 : x : log(2)
@@ -55,4 +59,9 @@ ENTRY(__ieee754_logf)
2: fstp %st(0) // x : log(2)
fyl2x // log(x)
ret
+
+3: jp 4b // in case x is +-Inf
+ fstp %st(1)
+ fstp %st(1)
+ ret
END (__ieee754_logf)
diff --git a/sysdeps/i386/fpu/e_logl.S b/sysdeps/i386/fpu/e_logl.S
index 5023d3012f..551dcf1e46 100644
--- a/sysdeps/i386/fpu/e_logl.S
+++ b/sysdeps/i386/fpu/e_logl.S
@@ -37,11 +37,15 @@ limit: .double 0.29
ENTRY(__ieee754_logl)
fldln2 // log(2)
fldt 4(%esp) // x : log(2)
+ fxam
+ fnstsw
#ifdef PIC
LOAD_PIC_REG (dx)
#endif
fld %st // x : x : log(2)
- fsubl MO(one) // x-1 : x : log(2)
+ sahf
+ jc 3f // in case x is NaN or +-Inf
+4: fsubl MO(one) // x-1 : x : log(2)
fld %st // x-1 : x-1 : x : log(2)
fabs // |x-1| : x-1 : x : log(2)
fcompl MO(limit) // x-1 : x : log(2)
@@ -55,4 +59,9 @@ ENTRY(__ieee754_logl)
2: fstp %st(0) // x : log(2)
fyl2x // log(x)
ret
+
+3: jp 4b // in case x is +-Inf
+ fstp %st(1)
+ fstp %st(1)
+ ret
END (__ieee754_logl)
diff --git a/sysdeps/i386/fpu/e_pow.S b/sysdeps/i386/fpu/e_pow.S
index c554ca4ecb..792f926902 100644
--- a/sysdeps/i386/fpu/e_pow.S
+++ b/sysdeps/i386/fpu/e_pow.S
@@ -1,5 +1,5 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005
+ Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005, 2007
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -161,10 +161,11 @@ ENTRY(__ieee754_pow)
2: /* y is a real number. */
fxch // x : y
fldl MO(one) // 1.0 : x : y
- fld %st(1) // x : 1.0 : x : y
- fsub %st(1) // x-1 : 1.0 : x : y
- fabs // |x-1| : 1.0 : x : y
- fcompl MO(limit) // 1.0 : x : y
+ fldl MO(limit) // 0.29 : 1.0 : x : y
+ fld %st(2) // x : 0.29 : 1.0 : x : y
+ fsub %st(2) // x-1 : 0.29 : 1.0 : x : y
+ fabs // |x-1| : 0.29 : 1.0 : x : y
+ fucompp // 1.0 : x : y
fnstsw
fxch // x : 1.0 : y
sahf
@@ -197,9 +198,10 @@ ENTRY(__ieee754_pow)
// y == ħinf
.align ALIGNARG(4)
12: fstp %st(0) // pop y
- fldl 4(%esp) // x
- fabs
- fcompl MO(one) // < 1, == 1, or > 1
+ fldl MO(one) // 1
+ fldl 4(%esp) // x : 1
+ fabs // abs(x) : 1
+ fucompp // < 1, == 1, or > 1
fnstsw
andb $0x45, %ah
cmpb $0x45, %ah
diff --git a/sysdeps/i386/fpu/e_powf.S b/sysdeps/i386/fpu/e_powf.S
index c835b978b9..c91545418d 100644
--- a/sysdeps/i386/fpu/e_powf.S
+++ b/sysdeps/i386/fpu/e_powf.S
@@ -1,5 +1,5 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996, 1997, 1999, 2001, 2004, 2005
+ Copyright (C) 1996, 1997, 1999, 2001, 2004, 2005, 2007
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -155,10 +155,11 @@ ENTRY(__ieee754_powf)
2: /* y is a real number. */
fxch // x : y
fldl MO(one) // 1.0 : x : y
- fld %st(1) // x : 1.0 : x : y
- fsub %st(1) // x-1 : 1.0 : x : y
- fabs // |x-1| : 1.0 : x : y
- fcompl MO(limit) // 1.0 : x : y
+ fldl MO(limit) // 0.29 : 1.0 : x : y
+ fld %st(2) // x : 0.29 : 1.0 : x : y
+ fsub %st(2) // x-1 : 0.29 : 1.0 : x : y
+ fabs // |x-1| : 0.29 : 1.0 : x : y
+ fucompp // 1.0 : x : y
fnstsw
fxch // x : 1.0 : y
sahf
@@ -191,9 +192,10 @@ ENTRY(__ieee754_powf)
// y == ħinf
.align ALIGNARG(4)
12: fstp %st(0) // pop y
- flds 4(%esp) // x
- fabs
- fcompl MO(one) // < 1, == 1, or > 1
+ fldl MO(one) // 1
+ flds 4(%esp) // x : 1
+ fabs // abs(x) : 1
+ fucompp // < 1, == 1, or > 1
fnstsw
andb $0x45, %ah
cmpb $0x45, %ah
diff --git a/sysdeps/i386/fpu/e_powl.S b/sysdeps/i386/fpu/e_powl.S
index 74f422816a..6215496207 100644
--- a/sysdeps/i386/fpu/e_powl.S
+++ b/sysdeps/i386/fpu/e_powl.S
@@ -1,5 +1,5 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005
+ Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005, 2007
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -161,10 +161,11 @@ ENTRY(__ieee754_powl)
2: /* y is a real number. */
fxch // x : y
fldl MO(one) // 1.0 : x : y
- fld %st(1) // x : 1.0 : x : y
- fsub %st(1) // x-1 : 1.0 : x : y
- fabs // |x-1| : 1.0 : x : y
- fcompl MO(limit) // 1.0 : x : y
+ fldl MO(limit) // 0.29 : 1.0 : x : y
+ fld %st(2) // x : 0.29 : 1.0 : x : y
+ fsub %st(2) // x-1 : 0.29 : 1.0 : x : y
+ fabs // |x-1| : 0.29 : 1.0 : x : y
+ fucompp // 1.0 : x : y
fnstsw
fxch // x : 1.0 : y
sahf
@@ -210,9 +211,10 @@ ENTRY(__ieee754_powl)
// y == ħinf
.align ALIGNARG(4)
12: fstp %st(0) // pop y
- fldt 4(%esp) // x
- fabs
- fcompl MO(one) // < 1, == 1, or > 1
+ fldl MO(one) // 1
+ fldt 4(%esp) // x : 1
+ fabs // abs(x) : 1
+ fucompp // < 1, == 1, or > 1
fnstsw
andb $0x45, %ah
cmpb $0x45, %ah
diff --git a/sysdeps/i386/fpu/math_private.h b/sysdeps/i386/fpu/math_private.h
new file mode 100644
index 0000000000..a426788ef1
--- /dev/null
+++ b/sysdeps/i386/fpu/math_private.h
@@ -0,0 +1,18 @@
+#ifndef _MATH_PRIVATE_H
+
+#define math_opt_barrier(x) \
+({ __typeof(x) __x; \
+ __asm ("" : "=t" (__x) : "0" (x)); \
+ __x; })
+#define math_force_eval(x) \
+do \
+ { \
+ if (sizeof (x) <= sizeof (double)) \
+ __asm __volatile ("" : : "m" (x)); \
+ else \
+ __asm __volatile ("" : : "f" (x)); \
+ } \
+while (0)
+
+#include <math/math_private.h>
+#endif
diff --git a/sysdeps/i386/fpu/s_nextafterl.c b/sysdeps/i386/fpu/s_nextafterl.c
index 5b617cb4e7..aef0a144e5 100644
--- a/sysdeps/i386/fpu/s_nextafterl.c
+++ b/sysdeps/i386/fpu/s_nextafterl.c
@@ -27,7 +27,7 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#ifdef __STDC__
long double __nextafterl(long double x, long double y)
@@ -52,9 +52,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if(x==y) return y; /* x=y, return y */
if((ix|hx|lx)==0) { /* x == 0 */
+ long double u;
SET_LDOUBLE_WORDS(x,esy&0x8000,0,1);/* return +-minsubnormal */
- y = x*x;
- if(y==x) return y; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(esx>=0) { /* x > 0 */
if(esx>esy||((esx==esy) && (hx>hy||((hx==hy)&&(lx>ly))))) {
@@ -109,12 +112,9 @@ static char rcsid[] = "$NetBSD: $";
}
esy = esx&0x7fff;
if(esy==0x7fff) return x+x; /* overflow */
- if(esy==0) { /* underflow */
- y = x*x;
- if(y!=x) { /* raise underflow flag */
- SET_LDOUBLE_WORDS(y,esx,hx,lx);
- return y;
- }
+ if(esy==0) {
+ long double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_LDOUBLE_WORDS(x,esx,hx,lx);
return x;
diff --git a/sysdeps/i386/fpu/s_nexttoward.c b/sysdeps/i386/fpu/s_nexttoward.c
index 2bd768e448..9bd86a3724 100644
--- a/sysdeps/i386/fpu/s_nexttoward.c
+++ b/sysdeps/i386/fpu/s_nexttoward.c
@@ -27,7 +27,8 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
+#include <float.h>
#ifdef __STDC__
double __nexttoward(double x, long double y)
@@ -52,10 +53,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
- double x2;
+ double u;
INSERT_WORDS(x,(esy&0x8000)<<16,1); /* return +-minsub */
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if (esy>=0x8000||((ix>>20)&0x7ff)>iy-0x3c00
@@ -85,16 +88,14 @@ static char rcsid[] = "$NetBSD: $";
hy = hx&0x7ff00000;
if(hy>=0x7ff00000) {
x = x+x; /* overflow */
- /* Force conversion to double. */
- asm ("" : "=m"(x) : "m"(x));
+ if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
+ /* Force conversion to double. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00100000) { /* underflow */
- double x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- INSERT_WORDS(x2,hx,lx);
- return x2;
- }
+ if(hy<0x00100000) {
+ double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
INSERT_WORDS(x,hx,lx);
return x;
diff --git a/sysdeps/i386/fpu/s_nexttowardf.c b/sysdeps/i386/fpu/s_nexttowardf.c
index 3fbe53c338..25f70e4f4d 100644
--- a/sysdeps/i386/fpu/s_nexttowardf.c
+++ b/sysdeps/i386/fpu/s_nexttowardf.c
@@ -19,7 +19,8 @@ static char rcsid[] = "$NetBSD: $";
#endif
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
+#include <float.h>
#ifdef __STDC__
float __nexttowardf(float x, long double y)
@@ -44,10 +45,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if(ix==0) { /* x == 0 */
- float x2;
+ float u;
SET_FLOAT_WORD(x,((esy&0x8000)<<16)|1);/* return +-minsub*/
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(esy>=0x8000||((ix>>23)&0xff)>iy-0x3f80
@@ -69,16 +72,14 @@ static char rcsid[] = "$NetBSD: $";
hy = hx&0x7f800000;
if(hy>=0x7f800000) {
x = x+x; /* overflow */
- /* Force conversion to float. */
- asm ("" : "=m"(x) : "m"(x));
+ if (FLT_EVAL_METHOD != 0)
+ /* Force conversion to float. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00800000) { /* underflow */
- float x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(x2,hx);
- return x2;
- }
+ if(hy<0x00800000) {
+ float u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/i386/i486/bits/atomic.h b/sysdeps/i386/i486/bits/atomic.h
index a27734c37e..c748761758 100644
--- a/sysdeps/i386/i486/bits/atomic.h
+++ b/sysdeps/i386/i486/bits/atomic.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -18,7 +18,6 @@
02111-1307 USA. */
#include <stdint.h>
-#include <tls.h> /* For tcbhead_t. */
typedef int8_t atomic8_t;
@@ -77,40 +76,6 @@ typedef uintmax_t uatomic_max_t;
: "r" (newval), "m" (*mem), "0" (oldval)); \
ret; })
-
-#define __arch_c_compare_and_exchange_val_8_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile ("cmpl $0, %%gs:%P5\n\t" \
- "je 0f\n\t" \
- "lock\n" \
- "0:\tcmpxchgb %b2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "q" (newval), "m" (*mem), "0" (oldval), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- ret; })
-
-#define __arch_c_compare_and_exchange_val_16_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile ("cmpl $0, %%gs:%P5\n\t" \
- "je 0f\n\t" \
- "lock\n" \
- "0:\tcmpxchgw %w2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "r" (newval), "m" (*mem), "0" (oldval), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- ret; })
-
-#define __arch_c_compare_and_exchange_val_32_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile ("cmpl $0, %%gs:%P5\n\t" \
- "je 0f\n\t" \
- "lock\n" \
- "0:\tcmpxchgl %2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "r" (newval), "m" (*mem), "0" (oldval), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- ret; })
-
/* XXX We do not really need 64-bit compare-and-exchange. At least
not in the moment. Using it would mean causing portability
problems since not many other 32-bit architectures have support for
@@ -120,8 +85,6 @@ typedef uintmax_t uatomic_max_t;
#if 1
# define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
({ __typeof (*mem) ret = *(mem); abort (); ret = (newval); ret = (oldval); })
-# define __arch_c_compare_and_exchange_val_64_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret = *(mem); abort (); ret = (newval); ret = (oldval); })
#else
# ifdef __PIC__
# define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
@@ -137,24 +100,6 @@ typedef uintmax_t uatomic_max_t;
& 0xffffffff), \
"d" (((unsigned long long int) (oldval)) >> 32)); \
ret; })
-
-# define __arch_c_compare_and_exchange_val_64_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile ("xchgl %2, %%ebx\n\t" \
- "cmpl $0, %%gs:%P7\n\t" \
- "je 0f\n\t" \
- "lock\n" \
- "0:\tcmpxchg8b %1\n\t" \
- "xchgl %2, %%ebx" \
- : "=A" (ret), "=m" (*mem) \
- : "DS" (((unsigned long long int) (newval)) \
- & 0xffffffff), \
- "c" (((unsigned long long int) (newval)) >> 32), \
- "m" (*mem), "a" (((unsigned long long int) (oldval)) \
- & 0xffffffff), \
- "d" (((unsigned long long int) (oldval)) >> 32), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- ret; })
# else
# define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
@@ -167,22 +112,6 @@ typedef uintmax_t uatomic_max_t;
& 0xffffffff), \
"d" (((unsigned long long int) (oldval)) >> 32)); \
ret; })
-
-# define __arch_c_compare_and_exchange_val_64_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile ("cmpl $0, %%gs:%P7\n\t" \
- "je 0f\n\t" \
- "lock\n" \
- "0:\tcmpxchg8b %1" \
- : "=A" (ret), "=m" (*mem) \
- : "b" (((unsigned long long int) (newval)) \
- & 0xffffffff), \
- "c" (((unsigned long long int) (newval)) >> 32), \
- "m" (*mem), "a" (((unsigned long long int) (oldval)) \
- & 0xffffffff), \
- "d" (((unsigned long long int) (oldval)) >> 32), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- ret; })
# endif
#endif
@@ -210,24 +139,21 @@ typedef uintmax_t uatomic_max_t;
result; })
-#define __arch_exchange_and_add_body(lock, pfx, mem, value) \
+#define atomic_exchange_and_add(mem, value) \
({ __typeof (*mem) __result; \
__typeof (value) __addval = (value); \
if (sizeof (*mem) == 1) \
- __asm __volatile (lock "xaddb %b0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddb %b0, %1" \
: "=r" (__result), "=m" (*mem) \
- : "0" (__addval), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
+ : "0" (__addval), "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "xaddw %w0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddw %w0, %1" \
: "=r" (__result), "=m" (*mem) \
- : "0" (__addval), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
+ : "0" (__addval), "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "xaddl %0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddl %0, %1" \
: "=r" (__result), "=m" (*mem) \
- : "0" (__addval), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
+ : "0" (__addval), "m" (*mem)); \
else \
{ \
__typeof (mem) __memp = (mem); \
@@ -235,64 +161,41 @@ typedef uintmax_t uatomic_max_t;
__result = *__memp; \
do \
__tmpval = __result; \
- while ((__result = pfx##_compare_and_exchange_val_64_acq \
+ while ((__result = __arch_compare_and_exchange_val_64_acq \
(__memp, __result + __addval, __result)) == __tmpval); \
} \
__result; })
-#define atomic_exchange_and_add(mem, value) \
- __arch_exchange_and_add_body (LOCK_PREFIX, __arch, mem, value)
-
-#define __arch_exchange_and_add_cprefix \
- "cmpl $0, %%gs:%P4\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_exchange_and_add(mem, value) \
- __arch_exchange_and_add_body (__arch_exchange_and_add_cprefix, __arch_c, \
- mem, value)
-
-
-#define __arch_add_body(lock, pfx, mem, value) \
- do { \
- if (__builtin_constant_p (value) && (value) == 1) \
- atomic_increment (mem); \
- else if (__builtin_constant_p (value) && (value) == -1) \
- atomic_decrement (mem); \
- else if (sizeof (*mem) == 1) \
- __asm __volatile (lock "addb %b1, %0" \
- : "=m" (*mem) \
- : "ir" (value), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "addw %w1, %0" \
- : "=m" (*mem) \
- : "ir" (value), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "addl %1, %0" \
- : "=m" (*mem) \
- : "ir" (value), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else \
- { \
- __typeof (value) __addval = (value); \
- __typeof (mem) __memp = (mem); \
- __typeof (*mem) __oldval = *__memp; \
- __typeof (*mem) __tmpval; \
- do \
- __tmpval = __oldval; \
- while ((__oldval = pfx##_compare_and_exchange_val_64_acq \
- (__memp, __oldval + __addval, __oldval)) == __tmpval); \
- } \
- } while (0)
#define atomic_add(mem, value) \
- __arch_add_body (LOCK_PREFIX, __arch, mem, value)
-
-#define __arch_add_cprefix \
- "cmpl $0, %%gs:%P3\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_add(mem, value) \
- __arch_add_body (__arch_add_cprefix, __arch_c, mem, value)
+ (void) ({ if (__builtin_constant_p (value) && (value) == 1) \
+ atomic_increment (mem); \
+ else if (__builtin_constant_p (value) && (value) == -1) \
+ atomic_decrement (mem); \
+ else if (sizeof (*mem) == 1) \
+ __asm __volatile (LOCK_PREFIX "addb %b1, %0" \
+ : "=m" (*mem) \
+ : "ir" (value), "m" (*mem)); \
+ else if (sizeof (*mem) == 2) \
+ __asm __volatile (LOCK_PREFIX "addw %w1, %0" \
+ : "=m" (*mem) \
+ : "ir" (value), "m" (*mem)); \
+ else if (sizeof (*mem) == 4) \
+ __asm __volatile (LOCK_PREFIX "addl %1, %0" \
+ : "=m" (*mem) \
+ : "ir" (value), "m" (*mem)); \
+ else \
+ { \
+ __typeof (value) __addval = (value); \
+ __typeof (mem) __memp = (mem); \
+ __typeof (*mem) __oldval = *__memp; \
+ __typeof (*mem) __tmpval; \
+ do \
+ __tmpval = __oldval; \
+ while ((__oldval = __arch_compare_and_exchange_val_64_acq \
+ (__memp, __oldval + __addval, __oldval)) == __tmpval); \
+ } \
+ })
#define atomic_add_negative(mem, value) \
@@ -333,42 +236,30 @@ typedef uintmax_t uatomic_max_t;
__result; })
-#define __arch_increment_body(lock, pfx, mem) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (lock "incb %b0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "incw %w0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "incl %0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else \
- { \
- __typeof (mem) __memp = (mem); \
- __typeof (*mem) __oldval = *__memp; \
- __typeof (*mem) __tmpval; \
- do \
- __tmpval = __oldval; \
- while ((__oldval = pfx##_compare_and_exchange_val_64_acq \
- (__memp, __oldval + 1, __oldval)) == __tmpval); \
- } \
- } while (0)
-
-#define atomic_increment(mem) __arch_increment_body (LOCK_PREFIX, __arch, mem)
-
-#define __arch_increment_cprefix \
- "cmpl $0, %%gs:%P2\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_increment(mem) \
- __arch_increment_body (__arch_increment_cprefix, __arch_c, mem)
+#define atomic_increment(mem) \
+ (void) ({ if (sizeof (*mem) == 1) \
+ __asm __volatile (LOCK_PREFIX "incb %b0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else if (sizeof (*mem) == 2) \
+ __asm __volatile (LOCK_PREFIX "incw %w0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else if (sizeof (*mem) == 4) \
+ __asm __volatile (LOCK_PREFIX "incl %0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else \
+ { \
+ __typeof (mem) __memp = (mem); \
+ __typeof (*mem) __oldval = *__memp; \
+ __typeof (*mem) __tmpval; \
+ do \
+ __tmpval = __oldval; \
+ while ((__oldval = __arch_compare_and_exchange_val_64_acq \
+ (__memp, __oldval + 1, __oldval)) == __tmpval); \
+ } \
+ })
#define atomic_increment_and_test(mem) \
@@ -390,42 +281,30 @@ typedef uintmax_t uatomic_max_t;
__result; })
-#define __arch_decrement_body(lock, pfx, mem) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (lock "decb %b0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "decw %w0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "decl %0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else \
- { \
- __typeof (mem) __memp = (mem); \
- __typeof (*mem) __oldval = *__memp; \
- __typeof (*mem) __tmpval; \
- do \
- __tmpval = __oldval; \
- while ((__oldval = pfx##_compare_and_exchange_val_64_acq \
- (__memp, __oldval - 1, __oldval)) == __tmpval); \
- } \
- } while (0)
-
-#define atomic_decrement(mem) __arch_decrement_body (LOCK_PREFIX, __arch, mem)
-
-#define __arch_decrement_cprefix \
- "cmpl $0, %%gs:%P2\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_decrement(mem) \
- __arch_decrement_body (__arch_decrement_cprefix, __arch_c, mem)
+#define atomic_decrement(mem) \
+ (void) ({ if (sizeof (*mem) == 1) \
+ __asm __volatile (LOCK_PREFIX "decb %b0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else if (sizeof (*mem) == 2) \
+ __asm __volatile (LOCK_PREFIX "decw %w0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else if (sizeof (*mem) == 4) \
+ __asm __volatile (LOCK_PREFIX "decl %0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else \
+ { \
+ __typeof (mem) __memp = (mem); \
+ __typeof (*mem) __oldval = *__memp; \
+ __typeof (*mem) __tmpval; \
+ do \
+ __tmpval = __oldval; \
+ while ((__oldval = __arch_compare_and_exchange_val_64_acq \
+ (__memp, __oldval - 1, __oldval)) == __tmpval); \
+ } \
+ })
#define atomic_decrement_and_test(mem) \
@@ -448,22 +327,21 @@ typedef uintmax_t uatomic_max_t;
#define atomic_bit_set(mem, bit) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "orb %b2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "ir" (1 << (bit))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "orw %w2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "ir" (1 << (bit))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "orl %2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "ir" (1 << (bit))); \
- else \
- abort (); \
- } while (0)
+ (void) ({ if (sizeof (*mem) == 1) \
+ __asm __volatile (LOCK_PREFIX "orb %b2, %0" \
+ : "=m" (*mem) \
+ : "m" (*mem), "ir" (1 << (bit))); \
+ else if (sizeof (*mem) == 2) \
+ __asm __volatile (LOCK_PREFIX "orw %w2, %0" \
+ : "=m" (*mem) \
+ : "m" (*mem), "ir" (1 << (bit))); \
+ else if (sizeof (*mem) == 4) \
+ __asm __volatile (LOCK_PREFIX "orl %2, %0" \
+ : "=m" (*mem) \
+ : "m" (*mem), "ir" (1 << (bit))); \
+ else \
+ abort (); \
+ })
#define atomic_bit_test_set(mem, bit) \
@@ -486,51 +364,3 @@ typedef uintmax_t uatomic_max_t;
#define atomic_delay() asm ("rep; nop")
-
-
-#define atomic_and(mem, mask) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "andb %1, %b0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "andw %1, %w0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "andl %1, %0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem)); \
- else \
- abort (); \
- } while (0)
-
-
-#define __arch_or_body(lock, mem, mask) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (lock "orb %1, %b0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "orw %1, %w0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "orl %1, %0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else \
- abort (); \
- } while (0)
-
-#define atomic_or(mem, mask) __arch_or_body (LOCK_PREFIX, mem, mask)
-
-#define __arch_or_cprefix \
- "cmpl $0, %%gs:%P3\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_or(mem, mask) __arch_or_body (__arch_or_cprefix, mem, mask)
diff --git a/sysdeps/i386/i686/memcmp.S b/sysdeps/i386/i686/memcmp.S
index 4fa6adea98..4bd5394bec 100644
--- a/sysdeps/i386/i686/memcmp.S
+++ b/sysdeps/i386/i686/memcmp.S
@@ -1,5 +1,5 @@
/* Compare two memory blocks for differences in the first COUNT bytes.
- Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005 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
@@ -44,9 +44,13 @@
absolute address. */ \
addl (%ebx,INDEX,4), %ebx
+#ifdef HAVE_HIDDEN
.section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
.globl __i686.get_pc_thunk.bx
.hidden __i686.get_pc_thunk.bx
+#else
+ .text
+#endif
ALIGN (4)
.type __i686.get_pc_thunk.bx,@function
__i686.get_pc_thunk.bx:
@@ -380,38 +384,38 @@ END (BP_SYM (memcmp))
.section .rodata
ALIGN (2)
L(table_32bytes) :
- .long L(0bytes) - L(table_32bytes)
- .long L(1bytes) - L(table_32bytes)
- .long L(2bytes) - L(table_32bytes)
- .long L(3bytes) - L(table_32bytes)
- .long L(4bytes) - L(table_32bytes)
- .long L(5bytes) - L(table_32bytes)
- .long L(6bytes) - L(table_32bytes)
- .long L(7bytes) - L(table_32bytes)
- .long L(8bytes) - L(table_32bytes)
- .long L(9bytes) - L(table_32bytes)
- .long L(10bytes) - L(table_32bytes)
- .long L(11bytes) - L(table_32bytes)
- .long L(12bytes) - L(table_32bytes)
- .long L(13bytes) - L(table_32bytes)
- .long L(14bytes) - L(table_32bytes)
- .long L(15bytes) - L(table_32bytes)
- .long L(16bytes) - L(table_32bytes)
- .long L(17bytes) - L(table_32bytes)
- .long L(18bytes) - L(table_32bytes)
- .long L(19bytes) - L(table_32bytes)
- .long L(20bytes) - L(table_32bytes)
- .long L(21bytes) - L(table_32bytes)
- .long L(22bytes) - L(table_32bytes)
- .long L(23bytes) - L(table_32bytes)
- .long L(24bytes) - L(table_32bytes)
- .long L(25bytes) - L(table_32bytes)
- .long L(26bytes) - L(table_32bytes)
- .long L(27bytes) - L(table_32bytes)
- .long L(28bytes) - L(table_32bytes)
- .long L(29bytes) - L(table_32bytes)
- .long L(30bytes) - L(table_32bytes)
- .long L(31bytes) - L(table_32bytes)
+ .long L(0bytes) - . + 0x0
+ .long L(1bytes) - . + 0x4
+ .long L(2bytes) - . + 0x8
+ .long L(3bytes) - . + 0xc
+ .long L(4bytes) - . + 0x10
+ .long L(5bytes) - . + 0x14
+ .long L(6bytes) - . + 0x18
+ .long L(7bytes) - . + 0x1c
+ .long L(8bytes) - . + 0x20
+ .long L(9bytes) - . + 0x24
+ .long L(10bytes) - . + 0x28
+ .long L(11bytes) - . + 0x2c
+ .long L(12bytes) - . + 0x30
+ .long L(13bytes) - . + 0x34
+ .long L(14bytes) - . + 0x38
+ .long L(15bytes) - . + 0x3c
+ .long L(16bytes) - . + 0x40
+ .long L(17bytes) - . + 0x44
+ .long L(18bytes) - . + 0x48
+ .long L(19bytes) - . + 0x4c
+ .long L(20bytes) - . + 0x50
+ .long L(21bytes) - . + 0x54
+ .long L(22bytes) - . + 0x58
+ .long L(23bytes) - . + 0x5c
+ .long L(24bytes) - . + 0x60
+ .long L(25bytes) - . + 0x64
+ .long L(26bytes) - . + 0x68
+ .long L(27bytes) - . + 0x6c
+ .long L(28bytes) - . + 0x70
+ .long L(29bytes) - . + 0x74
+ .long L(30bytes) - . + 0x78
+ .long L(31bytes) - . + 0x7c
#undef bcmp
diff --git a/sysdeps/i386/ldbl2mpn.c b/sysdeps/i386/ldbl2mpn.c
index bf4e4ff43f..01be777270 100644
--- a/sysdeps/i386/ldbl2mpn.c
+++ b/sysdeps/i386/ldbl2mpn.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 2000, 2007 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
@@ -19,7 +19,7 @@
#include "gmp.h"
#include "gmp-impl.h"
#include "longlong.h"
-#include "ieee754.h"
+#include <ieee754.h>
#include <float.h>
#include <stdlib.h>
@@ -46,7 +46,7 @@ __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size,
#elif BITS_PER_MP_LIMB == 64
/* Hopefully the compiler will combine the two bitfield extracts
and this composition into just the original quadword extract. */
- res_ptr[0] = ((unsigned long int) u.ieee.mantissa0 << 32) | u.ieee.mantissa1;
+ res_ptr[0] = ((mp_limb_t) u.ieee.mantissa0 << 32) | u.ieee.mantissa1;
#define N 1
#else
#error "mp_limb size " BITS_PER_MP_LIMB "not accounted for"
@@ -109,6 +109,13 @@ __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size,
}
}
}
+ else if (u.ieee.exponent < 0x7fff
+#if N == 2
+ && res_ptr[0] == 0
+#endif
+ && res_ptr[N - 1] == 0)
+ /* Pseudo zero. */
+ *expt = 0;
return N;
}
diff --git a/sysdeps/i386/soft-fp/sfp-machine.h b/sysdeps/i386/soft-fp/sfp-machine.h
new file mode 100644
index 0000000000..ed71ae418a
--- /dev/null
+++ b/sysdeps/i386/soft-fp/sfp-machine.h
@@ -0,0 +1,89 @@
+#define _FP_W_TYPE_SIZE 32
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#define __FP_FRAC_ADD_2(rh, rl, xh, xl, yh, yl) \
+ __asm__("addl %5,%1; adcl %3,%0" \
+ : "=r"(rh), "=r"(rl) \
+ : "%0"(xh), "g"(yh), "%1"(xl), "g"(yl) \
+ : "cc")
+
+#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
+ do { \
+ __asm__ volatile("addl %5,%1; adcl %3,%0" \
+ : "=r"(r1), "=r"(r0) \
+ : "%0"(x1), "g"(y1), "%1"(x0), "g"(y0) \
+ : "cc"); \
+ __asm__ volatile("adcl %5,%1; adcl %3,%0" \
+ : "=r"(r3), "=r"(r2) \
+ : "%0"(x3), "g"(y3), "%1"(x2), "g"(y2) \
+ : "cc"); \
+ } while (0)
+
+#define __FP_FRAC_SUB_2(rh, rl, xh, xl, yh, yl) \
+ __asm__("subl %5,%1; sbbl %4,%0" \
+ : "=r"(rh), "=r"(rl) \
+ : "0"(xh), "1"(xl), "g"(yh), "g"(yl) \
+ : "cc")
+
+#define __FP_CLZ(r, x) \
+ do { \
+ __asm__("bsrl %1,%0" : "=r"(r) : "g"(x) : "cc"); \
+ r ^= 31; \
+ } while (0)
+
+#define _i386_mul_32_64(rh, rl, x, y) \
+ __asm__("mull %2" : "=d"(rh), "=a"(rl) : "%g"(x), "1"(y) : "cc")
+
+#define _i386_div_64_32(q, r, nh, nl, d) \
+ __asm__ ("divl %4" : "=a"(q), "=d"(r) : "0"(nl), "1"(nh), "g"(d) : "cc")
+
+
+#define _FP_MUL_MEAT_S(R,X,Y) \
+ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,_i386_mul_32_64)
+#define _FP_MUL_MEAT_D(R,X,Y) \
+ _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,_i386_mul_32_64)
+
+#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y)
+#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
+
+#define _FP_NANFRAC_S _FP_QNANBIT_S
+#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
+#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
+#define _FP_NANSIGN_S 1
+#define _FP_NANSIGN_D 1
+#define _FP_NANSIGN_Q 1
+
+#define _FP_KEEPNANFRACP 1
+/* Here is something Intel misdesigned: the specs don't define
+ the case where we have two NaNs with same mantissas, but
+ different sign. Different operations pick up different NaNs.
+ */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if (_FP_FRAC_GT_##wc(X, Y) \
+ || (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ else \
+ { \
+ R##_s = Y##_s; \
+ _FP_FRAC_COPY_##wc(R,Y); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+#define FP_EX_INVALID (1 << 0)
+#define FP_EX_DENORM (1 << 1)
+#define FP_EX_DIVZERO (1 << 2)
+#define FP_EX_OVERFLOW (1 << 3)
+#define FP_EX_UNDERFLOW (1 << 4)
+#define FP_EX_INEXACT (1 << 5)
+
+#define FP_RND_NEAREST 0
+#define FP_RND_ZERO 3
+#define FP_RND_PINF 2
+#define FP_RND_MINF 1
diff --git a/sysdeps/i386/sysdep.h b/sysdeps/i386/sysdep.h
index e03a8e926d..2739cb00b3 100644
--- a/sysdeps/i386/sysdep.h
+++ b/sysdeps/i386/sysdep.h
@@ -1,6 +1,5 @@
/* Assembler macros for i386.
- Copyright (C) 1991-93,95,96,98,2002,2003,2005,2006
- Free Software Foundation, Inc.
+ Copyright (C) 1991-93,95,96,98,2002,2003,2005 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
@@ -133,7 +132,15 @@ lose: SYSCALL_PIC_SETUP \
cfi_adjust_cfa_offset (-4); \
addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx;
-# define SETUP_PIC_REG(reg) \
+# ifndef HAVE_HIDDEN
+# define SETUP_PIC_REG(reg) \
+ call 1f; \
+ .subsection 1; \
+1:movl (%esp), %e##reg; \
+ ret; \
+ .previous
+# else
+# define SETUP_PIC_REG(reg) \
.ifndef __i686.get_pc_thunk.reg; \
.section .gnu.linkonce.t.__i686.get_pc_thunk.reg,"ax",@progbits; \
.globl __i686.get_pc_thunk.reg; \
@@ -146,6 +153,7 @@ __i686.get_pc_thunk.reg: \
.previous; \
.endif; \
call __i686.get_pc_thunk.reg
+# endif
# define LOAD_PIC_REG(reg) \
SETUP_PIC_REG(reg); addl $_GLOBAL_OFFSET_TABLE_, %e##reg
diff --git a/sysdeps/ia64/dl-machine.h b/sysdeps/ia64/dl-machine.h
index 61b4ea99a7..55349690e3 100644
--- a/sysdeps/ia64/dl-machine.h
+++ b/sysdeps/ia64/dl-machine.h
@@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. IA-64 version.
- Copyright (C) 1995-1997, 2000-2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1995-1997, 2000-2004, 2005 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
@@ -311,7 +311,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
of the main executable's symbols, as for a COPY reloc, which we don't
use. */
/* ??? Ignore *MSB for now. */
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
#define elf_machine_type_class(type) \
(((type) == R_IA64_IPLTLSB || (type) == R_IA64_DTPMOD64LSB \
|| (type) == R_IA64_DTPREL64LSB || (type) == R_IA64_TPREL64LSB) \
@@ -432,7 +432,7 @@ elf_machine_rela (struct link_map *map,
value = _dl_make_fptr (sym_map, sym, value);
else if (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_PCREL64LSB))
value -= (Elf64_Addr) reloc_addr & -16;
-#if !defined RTLD_BOOTSTRAP || defined USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || defined USE___THREAD)
else if (R_IA64_TYPE (r_type) == R_IA64_TYPE (R_IA64_DTPMOD64LSB))
# ifdef RTLD_BOOTSTRAP
/* During startup the dynamic linker is always index 1. */
diff --git a/sysdeps/ia64/fpu/fesetround.c b/sysdeps/ia64/fpu/fesetround.c
index 351bcc2f10..13801c848b 100644
--- a/sysdeps/ia64/fpu/fesetround.c
+++ b/sysdeps/ia64/fpu/fesetround.c
@@ -1,5 +1,5 @@
/* Set current rounding direction.
- Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
@@ -26,7 +26,7 @@ fesetround (int round)
fenv_t fpsr;
if (round & ~3)
- return 0;
+ return 1;
/* Get the current state. */
__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
@@ -37,6 +37,6 @@ fesetround (int round)
/* Put the new state in effect. */
__asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
- return 1;
+ return 0;
}
libm_hidden_def (fesetround)
diff --git a/sysdeps/ia64/ldbl2mpn.c b/sysdeps/ia64/ldbl2mpn.c
new file mode 100644
index 0000000000..641b789cd4
--- /dev/null
+++ b/sysdeps/ia64/ldbl2mpn.c
@@ -0,0 +1 @@
+#include "../i386/ldbl2mpn.c"
diff --git a/sysdeps/ia64/libc-tls.c b/sysdeps/ia64/libc-tls.c
index 9751284008..2c0eeae86f 100644
--- a/sysdeps/ia64/libc-tls.c
+++ b/sysdeps/ia64/libc-tls.c
@@ -1,5 +1,5 @@
/* Thread-local storage handling in the ELF dynamic linker. IA-64 version.
- Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2005 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
@@ -19,6 +19,8 @@
#include <csu/libc-tls.c>
+#if USE_TLS
+
/* On IA-64, as it lacks linker optimizations, __tls_get_addr can be
called even in statically linked binaries.
In this case module must be always 1 and PT_TLS segment
@@ -30,3 +32,5 @@ __tls_get_addr (size_t m, size_t offset)
dtv_t *dtv = THREAD_DTV ();
return (char *) dtv[1].pointer.val + offset;
}
+
+#endif
diff --git a/sysdeps/ieee754/dbl-64/e_pow.c b/sysdeps/ieee754/dbl-64/e_pow.c
index d9bd8b479f..1e159f2c0b 100644
--- a/sysdeps/ieee754/dbl-64/e_pow.c
+++ b/sysdeps/ieee754/dbl-64/e_pow.c
@@ -106,20 +106,28 @@ double __ieee754_pow(double x, double y) {
else
return y < 0 ? 1.0/ABS(x) : 0.0; /* return 0 */
}
+
+ qx = u.i[HIGH_HALF]&0x7fffffff; /* no sign */
+ qy = v.i[HIGH_HALF]&0x7fffffff; /* no sign */
+
+ if (qx >= 0x7ff00000 && (qx > 0x7ff00000 || u.i[LOW_HALF] != 0)) return NaNQ.x;
+ if (qy >= 0x7ff00000 && (qy > 0x7ff00000 || v.i[LOW_HALF] != 0))
+ return x == 1.0 ? 1.0 : NaNQ.x;
+
/* if x<0 */
if (u.i[HIGH_HALF] < 0) {
k = checkint(y);
if (k==0) {
- if ((v.i[HIGH_HALF] & 0x7fffffff) == 0x7ff00000 && v.i[LOW_HALF] == 0) {
+ if (qy == 0x7ff00000) {
if (x == -1.0) return 1.0;
else if (x > -1.0) return v.i[HIGH_HALF] < 0 ? INF.x : 0.0;
else return v.i[HIGH_HALF] < 0 ? 0.0 : INF.x;
}
- else if (u.i[HIGH_HALF] == 0xfff00000 && u.i[LOW_HALF] == 0)
+ else if (qx == 0x7ff00000)
return y < 0 ? 0.0 : INF.x;
return NaNQ.x; /* y not integer and x<0 */
}
- else if (u.i[HIGH_HALF] == 0xfff00000 && u.i[LOW_HALF] == 0)
+ else if (qx == 0x7ff00000)
{
if (k < 0)
return y < 0 ? nZERO.x : nINF.x;
@@ -129,14 +137,6 @@ double __ieee754_pow(double x, double y) {
return (k==1)?__ieee754_pow(-x,y):-__ieee754_pow(-x,y); /* if y even or odd */
}
/* x>0 */
- qx = u.i[HIGH_HALF]&0x7fffffff; /* no sign */
- qy = v.i[HIGH_HALF]&0x7fffffff; /* no sign */
-
- if (qx > 0x7ff00000 || (qx == 0x7ff00000 && u.i[LOW_HALF] != 0)) return NaNQ.x;
- /* if 0<x<2^-0x7fe */
- if (qy > 0x7ff00000 || (qy == 0x7ff00000 && v.i[LOW_HALF] != 0))
- return x == 1.0 ? 1.0 : NaNQ.x;
- /* if y<2^-0x7fe */
if (qx == 0x7ff00000) /* x= 2^-0x3ff */
{if (y == 0) return NaNQ.x;
diff --git a/sysdeps/ieee754/flt-32/s_nextafterf.c b/sysdeps/ieee754/flt-32/s_nextafterf.c
index e1568e24c9..600c14621f 100644
--- a/sysdeps/ieee754/flt-32/s_nextafterf.c
+++ b/sysdeps/ieee754/flt-32/s_nextafterf.c
@@ -18,7 +18,7 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp
#endif
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <float.h>
#ifdef __STDC__
@@ -40,9 +40,12 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp
return x+y;
if(x==y) return y; /* x=y, return y */
if(ix==0) { /* x == 0 */
+ float u;
SET_FLOAT_WORD(x,(hy&0x80000000)|1);/* return +-minsubnormal */
- y = x*x;
- if(y==x) return y; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u*u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(hx>hy) { /* x > y, x -= ulp */
@@ -61,15 +64,12 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp
if(hy>=0x7f800000) {
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0)
- asm ("" : "=m"(x) : "m"(x));
+ asm ("" : "+m"(x));
return x; /* overflow */
}
- if(hy<0x00800000) { /* underflow */
- y = x*x;
- if(y!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(y,hx);
- return y;
- }
+ if(hy<0x00800000) {
+ float u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/ieee754/ldbl-128/s_nextafterl.c b/sysdeps/ieee754/ldbl-128/s_nextafterl.c
index d3df668178..7bc869a518 100644
--- a/sysdeps/ieee754/ldbl-128/s_nextafterl.c
+++ b/sysdeps/ieee754/ldbl-128/s_nextafterl.c
@@ -25,7 +25,7 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#ifdef __STDC__
long double __nextafterl(long double x, long double y)
@@ -47,9 +47,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if(x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
+ long double u;
SET_LDOUBLE_WORDS64(x,hy&0x8000000000000000ULL,1);/* return +-minsubnormal */
- y = x*x;
- if(y==x) return y; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(hx>hy||((hx==hy)&&(lx>ly))) { /* x > y, x -= ulp */
@@ -70,12 +73,9 @@ static char rcsid[] = "$NetBSD: $";
}
hy = hx&0x7fff000000000000LL;
if(hy==0x7fff000000000000LL) return x+x;/* overflow */
- if(hy==0) { /* underflow */
- y = x*x;
- if(y!=x) { /* raise underflow flag */
- SET_LDOUBLE_WORDS64(y,hx,lx);
- return y;
- }
+ if(hy==0) {
+ long double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_LDOUBLE_WORDS64(x,hx,lx);
return x;
diff --git a/sysdeps/ieee754/ldbl-128/s_nexttoward.c b/sysdeps/ieee754/ldbl-128/s_nexttoward.c
index 553e401973..178505c58f 100644
--- a/sysdeps/ieee754/ldbl-128/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-128/s_nexttoward.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <float.h>
#ifdef __STDC__
@@ -53,10 +53,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
- double x2;
+ double u;
INSERT_WORDS(x,(u_int32_t)((hy>>32)&0x80000000),1);/* return +-minsub */
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if (hy<0||(ix>>20)>(iy>>48)-0x3c00
@@ -87,16 +89,13 @@ static char rcsid[] = "$NetBSD: $";
if(hy>=0x7ff00000) {
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
- /* Force conversion to float. */
- asm ("" : "=m"(x) : "m"(x));
+ /* Force conversion to double. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00100000) { /* underflow */
- double x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- INSERT_WORDS(x2,hx,lx);
- return x2;
- }
+ if(hy<0x00100000) {
+ double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
INSERT_WORDS(x,hx,lx);
return x;
diff --git a/sysdeps/ieee754/ldbl-128ibm/mpn2ldbl.c b/sysdeps/ieee754/ldbl-128ibm/mpn2ldbl.c
index 8a2d45e2d8..21d1e62dab 100644
--- a/sysdeps/ieee754/ldbl-128ibm/mpn2ldbl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/mpn2ldbl.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2002, 2003, 2004, 2006
+/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2002, 2003, 2004, 2006, 2007
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -31,19 +31,20 @@ long double
__mpn_construct_long_double (mp_srcptr frac_ptr, int expt, int sign)
{
union ibm_extended_long_double u;
- unsigned long hidden2, lzcount;
+ unsigned long lzcount;
unsigned long long hi, lo;
+ int exponent2;
u.ieee.negative = sign;
u.ieee.negative2 = sign;
u.ieee.exponent = expt + IBM_EXTENDED_LONG_DOUBLE_BIAS;
- u.ieee.exponent2 = expt - 53 + IBM_EXTENDED_LONG_DOUBLE_BIAS;
+ u.ieee.exponent2 = 0;
+ exponent2 = expt - 53 + IBM_EXTENDED_LONG_DOUBLE_BIAS;
#if BITS_PER_MP_LIMB == 32
/* The low order 53 bits (52 + hidden) go into the lower double */
lo = frac_ptr[0];
lo |= (frac_ptr[1] & ((1LL << (53 - 32)) - 1)) << 32;
- hidden2 = (frac_ptr[1] >> (52 - 32)) & ((mp_limb_t) 1);
/* The high order 53 bits (52 + hidden) go into the upper double */
hi = (frac_ptr[1] >> (53 - 32)) & ((1 << 11) - 1);
hi |= ((unsigned long long) frac_ptr[2]) << 11;
@@ -51,7 +52,6 @@ __mpn_construct_long_double (mp_srcptr frac_ptr, int expt, int sign)
#elif BITS_PER_MP_LIMB == 64
/* The low order 53 bits (52 + hidden) go into the lower double */
lo = frac_ptr[0] & (((mp_limb_t) 1 << 53) - 1);
- hidden2 = (frac_ptr[0] >> 52) & ((mp_limb_t) 1);
/* The high order 53 bits (52 + hidden) go into the upper double */
hi = (frac_ptr[0] >> 53) & (((mp_limb_t) 1 << 11) - 1);
hi |= (frac_ptr[1] << 11);
@@ -59,14 +59,62 @@ __mpn_construct_long_double (mp_srcptr frac_ptr, int expt, int sign)
#error "mp_limb size " BITS_PER_MP_LIMB "not accounted for"
#endif
+ if ((hi & (1LL << 52)) == 0 && (hi | lo) != 0)
+ {
+ /* denormal number */
+ unsigned long long val = hi ? hi : lo;
+
+ if (sizeof (val) == sizeof (long))
+ lzcount = __builtin_clzl (val);
+ else if ((val >> 32) != 0)
+ lzcount = __builtin_clzl ((long) (val >> 32));
+ else
+ lzcount = __builtin_clzl ((long) val) + 32;
+ if (hi)
+ lzcount = lzcount - 11;
+ else
+ lzcount = lzcount + 42;
+
+ if (lzcount > u.ieee.exponent)
+ {
+ lzcount = u.ieee.exponent;
+ u.ieee.exponent = 0;
+ exponent2 -= lzcount;
+ }
+ else
+ {
+ u.ieee.exponent -= (lzcount - 1);
+ exponent2 -= (lzcount - 1);
+ }
+
+ if (lzcount <= 53)
+ {
+ hi = (hi << lzcount) | (lo >> (53 - lzcount));
+ lo = (lo << lzcount) & ((1LL << 53) - 1);
+ }
+ else
+ {
+ hi = lo << (lzcount - 53);
+ lo = 0;
+ }
+ }
+
if (lo != 0L)
{
/* hidden2 bit of low double controls rounding of the high double.
- If hidden2 is '1' then round up hi and adjust lo (2nd mantissa)
+ If hidden2 is '1' and either the explicit mantissa is non-zero
+ or hi is odd, then round up hi and adjust lo (2nd mantissa)
plus change the sign of the low double to compensate. */
- if (hidden2)
+ if ((lo & (1LL << 52)) != 0
+ && ((hi & 1) != 0 || (lo & ((1LL << 52) - 1))))
{
hi++;
+ if ((hi & ((1LL << 52) - 1)) == 0)
+ {
+ if ((hi & (1LL << 53)) != 0)
+ hi -= 1LL << 52;
+ u.ieee.exponent++;
+ }
u.ieee.negative2 = !sign;
lo = (1LL << 53) - lo;
}
@@ -85,17 +133,18 @@ __mpn_construct_long_double (mp_srcptr frac_ptr, int expt, int sign)
if (lzcount > 0)
{
lo = lo << lzcount;
- u.ieee.exponent2 = u.ieee.exponent2 - lzcount;
+ exponent2 = exponent2 - lzcount;
}
+ if (exponent2 > 0)
+ u.ieee.exponent2 = exponent2;
+ else
+ lo >>= 1 - exponent2;
}
else
- {
- u.ieee.negative2 = 0;
- u.ieee.exponent2 = 0;
- }
+ u.ieee.negative2 = 0;
u.ieee.mantissa3 = lo & 0xffffffffLL;
- u.ieee.mantissa2 = (lo >> 32) & 0xffffff;
+ u.ieee.mantissa2 = (lo >> 32) & 0xfffff;
u.ieee.mantissa1 = hi & 0xffffffffLL;
u.ieee.mantissa0 = (hi >> 32) & ((1LL << (LDBL_MANT_DIG - 86)) - 1);
diff --git a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c b/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c
index 2a7b70fabf..b2ad25e31f 100644
--- a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c
+++ b/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c
@@ -1,5 +1,5 @@
/* Print floating point number in hexadecimal notation according to ISO C99.
- Copyright (C) 1997,1998,1999,2000,2001,2002,2004,2006
+ Copyright (C) 1997,1998,1999,2000,2001,2002,2004,2006,2007
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -35,21 +35,24 @@ do { \
\
lo = ((long long)eldbl.ieee.mantissa2 << 32) | eldbl.ieee.mantissa3; \
hi = ((long long)eldbl.ieee.mantissa0 << 32) | eldbl.ieee.mantissa1; \
- /* If the lower double is not a denomal or zero then set the hidden \
- 53rd bit. */ \
- if (eldbl.ieee.exponent2 > 0x001) \
- { \
- lo |= (1ULL << 52); \
- lo = lo << 7; /* pre-shift lo to match ieee854. */ \
- /* The lower double is normalized separately from the upper. We \
- may need to adjust the lower manitissa to reflect this. */ \
- ediff = eldbl.ieee.exponent - eldbl.ieee.exponent2; \
- if (ediff > 53) \
- lo = lo >> (ediff-53); \
- } \
- \
- if ((eldbl.ieee.negative != eldbl.ieee.negative2) \
- && ((eldbl.ieee.exponent2 != 0) && (lo != 0L))) \
+ lo <<= 7; /* pre-shift lo to match ieee854. */ \
+ /* If the lower double is not a denomal or zero then set the hidden \
+ 53rd bit. */ \
+ if (eldbl.ieee.exponent2 != 0) \
+ lo |= (1ULL << (52 + 7)); \
+ else \
+ lo <<= 1; \
+ /* The lower double is normalized separately from the upper. We \
+ may need to adjust the lower manitissa to reflect this. */ \
+ ediff = eldbl.ieee.exponent - eldbl.ieee.exponent2; \
+ if (ediff > 53 + 63) \
+ lo = 0; \
+ else if (ediff > 53) \
+ lo = lo >> (ediff - 53); \
+ else if (eldbl.ieee.exponent2 == 0 && ediff < 53) \
+ lo = lo << (53 - ediff); \
+ if (eldbl.ieee.negative != eldbl.ieee.negative2 \
+ && (eldbl.ieee.exponent2 != 0 || lo != 0L)) \
{ \
lo = (1ULL << 60) - lo; \
if (hi == 0L) \
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c b/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
index 3ca178a3c5..6999abc250 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
@@ -1,5 +1,5 @@
/* Return classification value corresponding to argument.
- Copyright (C) 1997,1999,2002,2004,2006 Free Software Foundation, Inc.
+ Copyright (C) 1997,1999,2002,2004,2006,2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
Jakub Jelinek <jj@ultra.linux.cz>, 1999.
@@ -30,14 +30,16 @@
* -NaN fffn nnnn nnnn nnnn xxxx xxxx xxxx xxxx
* +Inf 7ff0 0000 0000 0000 xxxx xxxx xxxx xxxx
* -Inf fff0 0000 0000 0000 xxxx xxxx xxxx xxxx
- * +0 0000 0000 0000 0000
- * -0 8000 0000 0000 0000
- * +normal 001n nnnn nnnn nnnn (smallest)
- * -normal 801n nnnn nnnn nnnn (smallest)
- * +normal 7fen nnnn nnnn nnnn (largest)
- * -normal ffen nnnn nnnn nnnn (largest)
- * +denorm 000n nnnn nnnn nnnn
- * -denorm 800n nnnn nnnn nnnn
+ * +0 0000 0000 0000 0000 xxxx xxxx xxxx xxxx
+ * -0 8000 0000 0000 0000 xxxx xxxx xxxx xxxx
+ * +normal 0360 0000 0000 0000 0000 0000 0000 0000 (smallest)
+ * -normal 8360 0000 0000 0000 0000 0000 0000 0000 (smallest)
+ * +normal 7fef ffff ffff ffff 7c8f ffff ffff fffe (largest)
+ * +normal ffef ffff ffff ffff fc8f ffff ffff fffe (largest)
+ * +denorm 0360 0000 0000 0000 8000 0000 0000 0001 (largest)
+ * -denorm 8360 0000 0000 0000 0000 0000 0000 0001 (largest)
+ * +denorm 000n nnnn nnnn nnnn xxxx xxxx xxxx xxxx
+ * -denorm 800n nnnn nnnn nnnn xxxx xxxx xxxx xxxx
*/
int
@@ -59,12 +61,23 @@ ___fpclassifyl (long double x)
/* +/-zero or +/- normal or +/- denormal */
if (hx & 0x7fffffffffffffffULL) {
/* +/- normal or +/- denormal */
- if ((hx & 0x7ff0000000000000ULL) >= 0x0360000000000000ULL) {
+ if ((hx & 0x7ff0000000000000ULL) > 0x0360000000000000ULL) {
/* +/- normal */
retval = FP_NORMAL;
} else {
- /* +/- denormal */
- retval = FP_SUBNORMAL;
+ if ((hx & 0x7ff0000000000000ULL) == 0x0360000000000000ULL) {
+ if ((lx & 0x7fffffffffffffff) /* lower is non-zero */
+ && ((lx^hx) & 0x8000000000000000ULL)) { /* and sign differs */
+ /* +/- denormal */
+ retval = FP_SUBNORMAL;
+ } else {
+ /* +/- normal */
+ retval = FP_NORMAL;
+ }
+ } else {
+ /* +/- denormal */
+ retval = FP_SUBNORMAL;
+ }
}
} else {
/* +/- zero */
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c b/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c
index e35ce50829..39d0e6a5e3 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c
@@ -24,8 +24,8 @@ static char rcsid[] = "$NetBSD: $";
* Special cases:
*/
-#include "math.h"
-#include "math_private.h"
+#include <math.h>
+#include <math_private.h>
#include <math_ldbl_opt.h>
#ifdef __STDC__
@@ -35,7 +35,7 @@ static char rcsid[] = "$NetBSD: $";
long double x,y;
#endif
{
- int64_t hx,hy,ihx,ihy,ilx,ily;
+ int64_t hx,hy,ihx,ihy,ilx;
u_int64_t lx,ly;
GET_LDOUBLE_WORDS64(hx,lx,x);
@@ -43,7 +43,6 @@ static char rcsid[] = "$NetBSD: $";
ihx = hx&0x7fffffffffffffffLL; /* |hx| */
ilx = lx&0x7fffffffffffffffLL; /* |lx| */
ihy = hy&0x7fffffffffffffffLL; /* |hy| */
- ily = ly&0x7fffffffffffffffLL; /* |ly| */
if((((ihx&0x7ff0000000000000LL)==0x7ff0000000000000LL)&&
((ihx&0x000fffffffffffffLL)!=0)) || /* x is nan */
@@ -53,55 +52,67 @@ static char rcsid[] = "$NetBSD: $";
if(x==y)
return y; /* x=y, return y */
if(ihx == 0 && ilx == 0) { /* x == 0 */
- SET_LDOUBLE_WORDS64(x,hy&0x8000000000000000ULL,1);/* return +-minsubnormal */
- y = x*x;
- if(y==x) return y; else return x; /* raise underflow flag */
+ long double u;
+ hy = (hy & 0x8000000000000000ULL) | 1;
+ SET_LDOUBLE_WORDS64(x,hy,0ULL);/* return +-minsubnormal */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
- if(ihx>=0) { /* x > 0 */
- if(ihx>ihy||((ihx==ihy)&&(ilx>ily))) { /* x > y, x -= ulp */
-
- if(ilx==0)
- hx--;
- else
- lx--;
- } else { /* x < y, x += ulp */
- if((hx==0x7fefffffffffffffLL)&&(lx==0x7c8ffffffffffffeLL))
- {
- SET_LDOUBLE_WORDS64(x,0x7ff0000000000000,0x8000000000000000);
- return x;
- }
- else if((hx==0xffefffffffffffffLL)&&(lx==0xfc8ffffffffffffeLL))
- {
- SET_LDOUBLE_WORDS64(x,0xfff0000000000000,0x8000000000000000);
- return x;
- }
- else if((lx&0x7fffffffffffffff)==0) hx++;
- else
- lx++;
+
+ long double u;
+ if(x > y) { /* x > y, x -= ulp */
+ if((hx==0xffefffffffffffffLL)&&(lx==0xfc8ffffffffffffeLL))
+ return x+x; /* overflow, return -inf */
+ if (hx >= 0x7ff0000000000000LL) {
+ SET_LDOUBLE_WORDS64(u,0x7fefffffffffffffLL,0x7c8ffffffffffffeLL);
+ return u;
}
- } else { /* x < 0 */
- if(ihy>=0||ihx>ihy||((ihx==ihy)&&(ilx>ily))){/* x < y, x -= ulp */
- if((lx&0x7fffffffffffffff)==0)
- hx--;
- else
- lx--;
- } else { /* x > y, x += ulp */
- if((lx&0x7fffffffffffffff)==0) hx++;
- else
- lx++;
+ if(ihx <= 0x0360000000000000LL) { /* x <= LDBL_MIN */
+ u = math_opt_barrier (x);
+ x -= __LDBL_DENORM_MIN__;
+ if (ihx < 0x0360000000000000LL
+ || (hx > 0 && (int64_t) lx <= 0)
+ || (hx < 0 && (int64_t) lx > 1)) {
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ }
+ return x;
}
- }
- hy = hx&0x7ff0000000000000LL;
- if(hy==0x7ff0000000000000LL) return x+x;/* overflow */
- if(hy==0) { /* underflow */
- y = x*x;
- if(y!=x) { /* raise underflow flag */
- SET_LDOUBLE_WORDS64(y,hx,lx);
- return y;
+ if (ihx < 0x06a0000000000000LL) { /* ulp will denormal */
+ SET_LDOUBLE_WORDS64(u,(hx&0x7ff0000000000000LL),0ULL);
+ u *= 0x1.0000000000000p-105L;
+ } else
+ SET_LDOUBLE_WORDS64(u,(hx&0x7ff0000000000000LL)-0x0690000000000000LL,0ULL);
+ return x - u;
+ } else { /* x < y, x += ulp */
+ if((hx==0x7fefffffffffffffLL)&&(lx==0x7c8ffffffffffffeLL))
+ return x+x; /* overflow, return +inf */
+ if ((u_int64_t) hx >= 0xfff0000000000000ULL) {
+ SET_LDOUBLE_WORDS64(u,0xffefffffffffffffLL,0xfc8ffffffffffffeLL);
+ return u;
+ }
+ if(ihx <= 0x0360000000000000LL) { /* x <= LDBL_MIN */
+ u = math_opt_barrier (x);
+ x += __LDBL_DENORM_MIN__;
+ if (ihx < 0x0360000000000000LL
+ || (hx > 0 && (int64_t) lx < 0 && lx != 0x8000000000000001LL)
+ || (hx < 0 && (int64_t) lx >= 0)) {
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ }
+ if (x == 0.0L) /* handle negative __LDBL_DENORM_MIN__ case */
+ x = -0.0L;
+ return x;
}
+ if (ihx < 0x06a0000000000000LL) { /* ulp will denormal */
+ SET_LDOUBLE_WORDS64(u,(hx&0x7ff0000000000000LL),0ULL);
+ u *= 0x1.0000000000000p-105L;
+ } else
+ SET_LDOUBLE_WORDS64(u,(hx&0x7ff0000000000000LL)-0x0690000000000000LL,0ULL);
+ return x + u;
}
- SET_LDOUBLE_WORDS64(x,hx,lx);
- return x;
}
strong_alias (__nextafterl, __nexttowardl)
long_double_symbol (libm, __nextafterl, nextafterl);
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c b/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c
index 3335100592..e2f6521f57 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_nexttoward.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <math_ldbl_opt.h>
#include <float.h>
@@ -55,10 +55,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
- double x2;
+ double u;
INSERT_WORDS(x,(u_int32_t)((hy>>32)&0x80000000),1);/* return +-minsub */
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if (hy<0||(ix>>20)>(iy>>52)
@@ -89,16 +91,13 @@ static char rcsid[] = "$NetBSD: $";
if(hy>=0x7ff00000) {
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
- /* Force conversion to float. */
- asm ("" : "=m"(x) : "m"(x));
+ /* Force conversion to double. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00100000) { /* underflow */
- double x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- INSERT_WORDS(x2,hx,lx);
- return x2;
- }
+ if(hy<0x00100000) {
+ double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
INSERT_WORDS(x,hx,lx);
return x;
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
index a9373ff822..cf655fad16 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c
@@ -19,8 +19,9 @@ static char rcsid[] = "$NetBSD: $";
#endif
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <math_ldbl_opt.h>
+#include <float.h>
#ifdef __STDC__
float __nexttowardf(float x, long double y)
@@ -46,10 +47,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if(ix==0) { /* x == 0 */
- float x2;
+ float u;
SET_FLOAT_WORD(x,(u_int32_t)((hy>>32)&0x80000000)|1);/* return +-minsub*/
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(hy<0||(ix>>23)>(iy>>52)-0x380
@@ -69,13 +72,16 @@ static char rcsid[] = "$NetBSD: $";
}
}
hy = hx&0x7f800000;
- if(hy>=0x7f800000) return x+x; /* overflow */
+ if(hy>=0x7f800000) {
+ x = x+x; /* overflow */
+ if (FLT_EVAL_METHOD != 0)
+ /* Force conversion to float. */
+ asm ("" : "+m"(x));
+ return x;
+ }
if(hy<0x00800000) { /* underflow */
- float x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(x2,hx);
- return x2;
- }
+ float u = x*x;
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/ieee754/ldbl-96/s_nextafterl.c b/sysdeps/ieee754/ldbl-96/s_nextafterl.c
index 1798261b28..ed0877d6dd 100644
--- a/sysdeps/ieee754/ldbl-96/s_nextafterl.c
+++ b/sysdeps/ieee754/ldbl-96/s_nextafterl.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#ifdef __STDC__
long double __nextafterl(long double x, long double y)
@@ -48,9 +48,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if(x==y) return y; /* x=y, return y */
if((ix|hx|lx)==0) { /* x == 0 */
+ long double u;
SET_LDOUBLE_WORDS(x,esy&0x8000,0,1);/* return +-minsubnormal */
- y = x*x;
- if(y==x) return y; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(esx<0x8000) { /* x > 0 */
if(ix>iy||((ix==iy) && (hx>hy||((hx==hy)&&(lx>ly))))) {
@@ -85,13 +88,10 @@ static char rcsid[] = "$NetBSD: $";
}
}
esy = esx&0x7fff;
- if(esy==0x7fff) return x+x; /* overflow */
- if(esy==0) { /* underflow */
- y = x*x;
- if(y!=x) { /* raise underflow flag */
- SET_LDOUBLE_WORDS(y,esx,hx,lx);
- return y;
- }
+ if(esy==0x7fff) return x+x; /* overflow */
+ if(esy==0) {
+ long double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_LDOUBLE_WORDS(x,esx,hx,lx);
return x;
diff --git a/sysdeps/ieee754/ldbl-96/s_nexttoward.c b/sysdeps/ieee754/ldbl-96/s_nexttoward.c
index 7945cb5cb1..e30438482c 100644
--- a/sysdeps/ieee754/ldbl-96/s_nexttoward.c
+++ b/sysdeps/ieee754/ldbl-96/s_nexttoward.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $";
*/
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
#include <float.h>
#ifdef __STDC__
@@ -50,10 +50,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if((ix|lx)==0) { /* x == 0 */
- double x2;
+ double u;
INSERT_WORDS(x,(esy&0x8000)<<16,1); /* return +-minsub */
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if (esy>=0x8000||((ix>>20)&0x7ff)>iy-0x3c00
@@ -84,16 +86,13 @@ static char rcsid[] = "$NetBSD: $";
if(hy>=0x7ff00000) {
x = x+x; /* overflow */
if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1)
- /* Force conversion to float. */
- asm ("" : "=m"(x) : "m"(x));
+ /* Force conversion to double. */
+ asm ("" : "+m"(x));
return x;
}
- if(hy<0x00100000) { /* underflow */
- double x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- INSERT_WORDS(x2,hx,lx);
- return x2;
- }
+ if(hy<0x00100000) {
+ double u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
INSERT_WORDS(x,hx,lx);
return x;
diff --git a/sysdeps/ieee754/ldbl-96/s_nexttowardf.c b/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
index a1c38b5d4c..6357975ffc 100644
--- a/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
+++ b/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
@@ -18,7 +18,8 @@ static char rcsid[] = "$NetBSD: $";
#endif
#include "math.h"
-#include "math_private.h"
+#include <math_private.h>
+#include <float.h>
#ifdef __STDC__
float __nexttowardf(float x, long double y)
@@ -41,10 +42,12 @@ static char rcsid[] = "$NetBSD: $";
return x+y;
if((long double) x==y) return y; /* x=y, return y */
if(ix==0) { /* x == 0 */
- float x2;
+ float u;
SET_FLOAT_WORD(x,((esy&0x8000)<<16)|1);/* return +-minsub*/
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(esy>=0x8000||((ix>>23)&0xff)>iy-0x3f80
@@ -64,13 +67,16 @@ static char rcsid[] = "$NetBSD: $";
}
}
hy = hx&0x7f800000;
- if(hy>=0x7f800000) return x+x; /* overflow */
- if(hy<0x00800000) { /* underflow */
- float x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(x2,hx);
- return x2;
- }
+ if(hy>=0x7f800000) {
+ x = x+x; /* overflow */
+ if (FLT_EVAL_METHOD != 0)
+ /* Force conversion to float. */
+ asm ("" : "+m"(x));
+ return x;
+ }
+ if(hy<0x00800000) {
+ float u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c b/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c
index d52526f719..68027f26fa 100644
--- a/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c
+++ b/sysdeps/ieee754/ldbl-opt/s_nexttowardfd.c
@@ -20,7 +20,10 @@
* Special cases:
*/
+#include <math.h>
+#include <math_private.h>
#include <math_ldbl_opt.h>
+#include <float.h>
float __nldbl_nexttowardf(float x, double y);
@@ -39,10 +42,12 @@ float __nldbl_nexttowardf(float x, double y)
return x+y;
if((double) x==y) return y; /* x=y, return y */
if(ix==0) { /* x == 0 */
- float x2;
+ float u;
SET_FLOAT_WORD(x,(u_int32_t)(hy&0x80000000)|1);/* return +-minsub*/
- x2 = x*x;
- if(x2==x) return x2; else return x; /* raise underflow flag */
+ u = math_opt_barrier (x);
+ u = u * u;
+ math_force_eval (u); /* raise underflow flag */
+ return x;
}
if(hx>=0) { /* x > 0 */
if(hy<0||(ix>>23)>(iy>>20)-0x380
@@ -60,13 +65,16 @@ float __nldbl_nexttowardf(float x, double y)
hx += 1;
}
hy = hx&0x7f800000;
- if(hy>=0x7f800000) return x+x; /* overflow */
- if(hy<0x00800000) { /* underflow */
- float x2 = x*x;
- if(x2!=x) { /* raise underflow flag */
- SET_FLOAT_WORD(x2,hx);
- return x2;
- }
+ if(hy>=0x7f800000) {
+ x = x+x; /* overflow */
+ if (FLT_EVAL_METHOD != 0)
+ /* Force conversion to float. */
+ asm ("" : "+m"(x));
+ return x;
+ }
+ if(hy<0x00800000) {
+ float u = x*x; /* underflow */
+ math_force_eval (u); /* raise underflow flag */
}
SET_FLOAT_WORD(x,hx);
return x;
diff --git a/sysdeps/mach/hurd/fork.c b/sysdeps/mach/hurd/fork.c
index 3288f186e5..fa7da60204 100644
--- a/sysdeps/mach/hurd/fork.c
+++ b/sysdeps/mach/hurd/fork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994,1995,1996,1997,1999,2001,2002,2004,2005,2006
+/* Copyright (C) 1994,1995,1996,1997,1999,2001,2002,2004,2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -532,9 +532,11 @@ __fork (void)
/* Set the child user thread up to return 1 from the setjmp above. */
_hurd_longjmp_thread_state (&state, env, 1);
+#if USE_TLS
/* Do special thread setup for TLS if needed. */
if (err = _hurd_tls_fork (thread, &state))
LOSE;
+#endif
if (err = __thread_set_state (thread, MACHINE_THREAD_STATE_FLAVOR,
(natural_t *) &state, statecount))
diff --git a/sysdeps/mach/hurd/futimes.c b/sysdeps/mach/hurd/futimes.c
index 4628eee2c3..ca687b8bdf 100644
--- a/sysdeps/mach/hurd/futimes.c
+++ b/sysdeps/mach/hurd/futimes.c
@@ -1,5 +1,5 @@
/* futimes -- change access and modification times of open file. Hurd version.
- Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002 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
@@ -28,24 +28,20 @@
int
__futimes (int fd, const struct timeval tvp[2])
{
- union tv
- {
- struct timeval tv;
- time_value_t tvt;
- };
- const union tv *u = (const union tv *) tvp;
- union tv nulltv[2];
+ struct timeval timevals[2];
error_t err;
if (tvp == NULL)
{
/* Setting the number of microseconds to `-1' tells the
underlying filesystems to use the current time. */
- nulltv[0].tvt.microseconds = nulltv[1].tvt.microseconds = -1;
- u = nulltv;
+ timevals[1].tv_usec = timevals[0].tv_usec = (time_t)-1;
+ tvp = timevals;
}
- err = HURD_DPORT_USE (fd, __file_utimes (port, u[0].tvt, u[1].tvt));
+ err = HURD_DPORT_USE (fd, __file_utimes (port,
+ *(time_value_t *) &tvp[0],
+ *(time_value_t *) &tvp[1]));
return err ? __hurd_dfail (fd, err) : 0;
}
weak_alias (__futimes, futimes)
diff --git a/sysdeps/mach/hurd/i386/tls.h b/sysdeps/mach/hurd/i386/tls.h
index 972cac57a1..223a47d2f2 100644
--- a/sysdeps/mach/hurd/i386/tls.h
+++ b/sysdeps/mach/hurd/i386/tls.h
@@ -1,5 +1,5 @@
/* Definitions for thread-local data handling. Hurd/i386 version.
- Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2003, 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
@@ -25,6 +25,9 @@
/* Some things really need not be machine-dependent. */
# include <sysdeps/mach/hurd/tls.h>
+/* Indiciate that TLS support is available. */
+# define USE_TLS 1
+
/* The TCB can have any size and the memory following the address the
thread pointer points to is unspecified. Allocate the TCB there. */
# define TLS_TCB_AT_TP 1
diff --git a/sysdeps/mach/hurd/lutimes.c b/sysdeps/mach/hurd/lutimes.c
index bf5610c467..cf89d8862f 100644
--- a/sysdeps/mach/hurd/lutimes.c
+++ b/sysdeps/mach/hurd/lutimes.c
@@ -1,5 +1,5 @@
/* lutimes -- change access and modification times of a symlink. Hurd version.
- Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002 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
@@ -28,13 +28,7 @@
int
__lutimes (const char *file, const struct timeval tvp[2])
{
- union tv
- {
- struct timeval tv;
- time_value_t tvt;
- };
- const union tv *u = (const union tv *) tvp;
- union tv nulltv[2];
+ struct timeval timevals[2];
error_t err;
file_t port;
@@ -42,14 +36,15 @@ __lutimes (const char *file, const struct timeval tvp[2])
{
/* Setting the number of microseconds to `-1' tells the
underlying filesystems to use the current time. */
- nulltv[0].tvt.microseconds = nulltv[1].tvt.microseconds = -1;
- u = nulltv;
+ timevals[1].tv_usec = timevals[0].tv_usec = (time_t)-1;
+ tvp = timevals;
}
port = __file_name_lookup (file, O_NOLINK, 0);
if (port == MACH_PORT_NULL)
return -1;
- err = __file_utimes (port, u[0].tvt, u[1].tvt);
+ err = __file_utimes (port,
+ *(time_value_t *) &tvp[0], *(time_value_t *) &tvp[1]);
__mach_port_deallocate (__mach_task_self (), port);
if (err)
return __hurd_fail (err);
diff --git a/sysdeps/mach/hurd/utimes.c b/sysdeps/mach/hurd/utimes.c
index fdc1427feb..74f3a342f4 100644
--- a/sysdeps/mach/hurd/utimes.c
+++ b/sysdeps/mach/hurd/utimes.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1991-1995,1997,1999,2000,2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1991-1995, 97, 99, 2000 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
@@ -29,13 +28,7 @@ __utimes (file, tvp)
const char *file;
const struct timeval tvp[2];
{
- union tv
- {
- struct timeval tv;
- time_value_t tvt;
- };
- const union tv *u = (const union tv *) tvp;
- union tv nulltv[2];
+ struct timeval timevals[2];
error_t err;
file_t port;
@@ -43,17 +36,19 @@ __utimes (file, tvp)
{
/* Setting the number of microseconds to `-1' tells the
underlying filesystems to use the current time. */
- nulltv[0].tvt.microseconds = nulltv[1].tvt.microseconds = -1;
- u = nulltv;
+ timevals[1].tv_usec = timevals[0].tv_usec = (time_t)-1;
+ tvp = timevals;
}
port = __file_name_lookup (file, 0, 0);
if (port == MACH_PORT_NULL)
return -1;
- err = __file_utimes (port, u[0].tvt, u[1].tvt);
+ err = __file_utimes (port,
+ *(time_value_t *) &tvp[0], *(time_value_t *) &tvp[1]);
__mach_port_deallocate (__mach_task_self (), port);
if (err)
return __hurd_fail (err);
return 0;
}
+
weak_alias (__utimes, utimes)
diff --git a/sysdeps/posix/euidaccess.c b/sysdeps/posix/euidaccess.c
index 76a09d455d..333870cdde 100644
--- a/sysdeps/posix/euidaccess.c
+++ b/sysdeps/posix/euidaccess.c
@@ -1,5 +1,5 @@
/* Check if effective user id can access file
- Copyright (C) 1990,1991,1995-2001,2005 Free Software Foundation, Inc.
+ Copyright (C) 1990,1991,1995-2001,2005,2007 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
@@ -128,10 +128,6 @@ euidaccess (path, mode)
#ifdef _LIBC
uid_t euid;
gid_t egid;
-
- if (! __libc_enable_secure)
- /* If we are not set-uid or set-gid, access does the same. */
- return __access (path, mode);
#else
if (have_ids == 0)
{
@@ -162,6 +158,10 @@ euidaccess (path, mode)
/* Now we need the IDs. */
euid = __geteuid ();
egid = __getegid ();
+
+ if (__getuid () == euid && __getgid () == egid)
+ /* If we are not set-uid or set-gid, access does the same. */
+ return __access (path, mode);
#endif
/* The super-user can read and write any file, and execute any file
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index b4966852a7..a7e1459c9c 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -1157,7 +1157,7 @@ get_scope (const struct sockaddr_storage *ss)
169.254/16 and 127/8 are link-local. */
if ((addr[0] == 169 && addr[1] == 254) || addr[0] == 127)
scope = 2;
- else if (addr[0] == 10 || (addr[0] == 172 && addr[1] == 16)
+ else if (addr[0] == 10 || (addr[0] == 172 && (addr[1] & 0xf0) == 16)
|| (addr[0] == 192 && addr[1] == 168))
scope = 5;
else
@@ -1218,6 +1218,10 @@ static const struct prefixentry default_labels[] =
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
7, 6 },
{ { .in6_u
+ = { .u6_addr8 = { 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+ 32, 7 },
+ { { .in6_u
= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
0, 1 }
@@ -2085,12 +2089,10 @@ getaddrinfo (const char *name, const char *service,
if (q->ai_family == PF_INET6 && in6ai != NULL)
{
- /* See whether the source address is the list of
- deprecated or temporary addresses. */
+ /* See whether the address is the list of deprecated
+ or temporary addresses. */
struct in6addrinfo tmp;
- struct sockaddr_in6 *sin6p
- = (struct sockaddr_in6 *) &results[i].source_addr;
- memcpy (tmp.addr, &sin6p->sin6_addr, IN6ADDRSZ);
+ memcpy (tmp.addr, q->ai_addr, IN6ADDRSZ);
struct in6addrinfo *found
= bsearch (&tmp, in6ai, in6ailen, sizeof (*in6ai),
diff --git a/sysdeps/powerpc/fpu/bits/mathinline.h b/sysdeps/powerpc/fpu/bits/mathinline.h
index 04478309d9..aed899e882 100644
--- a/sysdeps/powerpc/fpu/bits/mathinline.h
+++ b/sysdeps/powerpc/fpu/bits/mathinline.h
@@ -121,4 +121,62 @@ __NTH (fdimf (float __x, float __y))
#endif /* __USE_ISOC99 */
#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
+
+/* This code is used internally in the GNU libc. */
+#ifdef __LIBC_INTERNAL_MATH_INLINES
+
+#include <sysdep.h>
+#include <ldsodefs.h>
+#include <dl-procinfo.h>
+
+# if __WORDSIZE == 64 || defined _ARCH_PWR4
+# define __CPU_HAS_FSQRT 1
+# else
+# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
+# endif
+
+extern double __slow_ieee754_sqrt (double);
+__MATH_INLINE double
+__NTH (__ieee754_sqrt (double __x))
+{
+ double __z;
+
+ /* If the CPU is 64-bit we can use the optional FP instructions. */
+ if (__CPU_HAS_FSQRT)
+ {
+ /* Volatile is required to prevent the compiler from moving the
+ fsqrt instruction above the branch. */
+ __asm __volatile (
+ " fsqrt %0,%1\n"
+ : "=f" (__z)
+ : "f" (__x));
+ }
+ else
+ __z = __slow_ieee754_sqrt(__x);
+
+ return __z;
+}
+
+extern float __slow_ieee754_sqrtf (float);
+__MATH_INLINE float
+__NTH (__ieee754_sqrtf (float __x))
+{
+ float __z;
+
+ /* If the CPU is 64-bit we can use the optional FP instructions. */
+ if (__CPU_HAS_FSQRT)
+ {
+ /* Volatile is required to prevent the compiler from moving the
+ fsqrts instruction above the branch. */
+ __asm __volatile (
+ " fsqrts %0,%1\n"
+ : "=f" (__z)
+ : "f" (__x));
+ }
+ else
+ __z = __slow_ieee754_sqrtf(__x);
+
+ return __z;
+}
+#endif /* __LIBC_INTERNAL_MATH_INLINES */
#endif /* __GNUC__ && !_SOFT_FLOAT */
diff --git a/sysdeps/powerpc/fpu/math_private.h b/sysdeps/powerpc/fpu/math_private.h
deleted file mode 100644
index 90021c6d3c..0000000000
--- a/sysdeps/powerpc/fpu/math_private.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/* Private inline math functions for powerpc.
- Copyright (C) 2006
- 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., 51 Franklin St - Fifth Floor, Boston,
- MA 02110-1301 USA */
-
-#ifndef _PPC_MATH_PRIVATE_H_
-#define _PPC_MATH_PRIVATE_H_
-
-#include <sysdep.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
-
-# if __WORDSIZE == 64 || defined _ARCH_PWR4
-# define __CPU_HAS_FSQRT 1
-# else
-# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
-# endif
-
-# ifndef __LIBC_INTERNAL_MATH_INLINES
-extern double __slow_ieee754_sqrt (double);
-__inline double
-__ieee754_sqrt (double __x)
-{
- double __z;
-
- /* If the CPU is 64-bit we can use the optional FP instructions. */
- if (__CPU_HAS_FSQRT)
- {
- /* Volatile is required to prevent the compiler from moving the
- fsqrt instruction above the branch. */
- __asm __volatile (
- " fsqrt %0,%1\n"
- : "=f" (__z)
- : "f" (__x));
- }
- else
- __z = __slow_ieee754_sqrt(__x);
-
- return __z;
-}
-
-extern float __slow_ieee754_sqrtf (float);
-
-__inline float
-__ieee754_sqrtf (float __x)
-{
- float __z;
-
- /* If the CPU is 64-bit we can use the optional FP instructions. */
- if (__CPU_HAS_FSQRT)
- {
- /* Volatile is required to prevent the compiler from moving the
- fsqrts instruction above the branch. */
- __asm __volatile (
- " fsqrts %0,%1\n"
- : "=f" (__z)
- : "f" (__x));
- }
- else
- __z = __slow_ieee754_sqrtf(__x);
-
- return __z;
-}
-#endif /* __LIBC_INTERNAL_MATH_INLINES */
-
-#include <math/math_private.h>
-
-#endif /* _PPC_MATH_PRIVATE_H_ */
diff --git a/sysdeps/powerpc/powerpc32/dl-machine.c b/sysdeps/powerpc/powerpc32/dl-machine.c
index fc460993b1..4120a02382 100644
--- a/sysdeps/powerpc/powerpc32/dl-machine.c
+++ b/sysdeps/powerpc/powerpc32/dl-machine.c
@@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation functions. PowerPC version.
- Copyright (C) 1995-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1995-2003, 2004, 2005 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
@@ -564,12 +564,13 @@ __process_machine_rela (struct link_map *map,
}
break;
+#ifdef USE_TLS
#define CHECK_STATIC_TLS(map, sym_map) \
do { \
if (__builtin_expect ((sym_map)->l_tls_offset == NO_TLS_OFFSET, 0)) \
_dl_allocate_static_tls (sym_map); \
} while (0)
-#define DO_TLS_RELOC(suffix) \
+# define DO_TLS_RELOC(suffix) \
case R_PPC_DTPREL##suffix: \
/* During relocation all TLS symbols are defined and used. \
Therefore the offset is already correct. */ \
@@ -608,6 +609,7 @@ __process_machine_rela (struct link_map *map,
DO_TLS_RELOC (16_LO)
DO_TLS_RELOC (16_HI)
DO_TLS_RELOC (16_HA)
+#endif
default:
_dl_reloc_bad_type (map, rinfo, 0);
diff --git a/sysdeps/powerpc/powerpc32/dl-machine.h b/sysdeps/powerpc/powerpc32/dl-machine.h
index a50ffdd1c2..496fa71ecc 100644
--- a/sysdeps/powerpc/powerpc32/dl-machine.h
+++ b/sysdeps/powerpc/powerpc32/dl-machine.h
@@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. PowerPC version.
- Copyright (C) 1995-2002, 2003, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1995-2002, 2003, 2005 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
@@ -138,7 +138,7 @@ __elf_preferred_address(struct link_map *loader, size_t maplength,
/* We never want to use a PLT entry as the destination of a
reloc, when what is being relocated is a branch. This is
partly for efficiency, but mostly so we avoid loops. */
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
#define elf_machine_type_class(type) \
((((type) == R_PPC_JMP_SLOT \
|| (type) == R_PPC_REL24 \
@@ -330,7 +330,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
*reloc_addr = value;
break;
-#if (!defined RTLD_BOOTSTRAP || USE___THREAD) \
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD) \
&& !defined RESOLVE_CONFLICT_FIND_MAP
# ifdef RTLD_BOOTSTRAP
# define NOT_BOOTSTRAP 0
@@ -361,7 +361,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
*reloc_addr = TLS_TPREL_VALUE (sym_map, sym, reloc);
}
break;
-#endif
+#endif /* USE_TLS etc. */
case R_PPC_JMP_SLOT:
#ifdef RESOLVE_CONFLICT_FIND_MAP
diff --git a/sysdeps/powerpc/powerpc32/sysdep.h b/sysdeps/powerpc/powerpc32/sysdep.h
index 88cfe71e0b..8fc624ebd9 100644
--- a/sysdeps/powerpc/powerpc32/sysdep.h
+++ b/sysdeps/powerpc/powerpc32/sysdep.h
@@ -96,7 +96,7 @@
#endif
#if defined SHARED && defined DO_VERSIONING && defined PIC \
- && !defined NO_HIDDEN
+ && !defined HAVE_BROKEN_ALIAS_ATTRIBUTE && !defined NO_HIDDEN
# undef HIDDEN_JUMPTARGET
# define HIDDEN_JUMPTARGET(name) __GI_##name##@local
#endif
diff --git a/sysdeps/powerpc/powerpc64/dl-machine.h b/sysdeps/powerpc/powerpc64/dl-machine.h
index 89a69e1a23..cec271bb3a 100644
--- a/sysdeps/powerpc/powerpc64/dl-machine.h
+++ b/sysdeps/powerpc/powerpc64/dl-machine.h
@@ -1,6 +1,7 @@
/* Machine-dependent ELF dynamic relocation inline functions.
PowerPC64 version.
- Copyright 1995-2005, 2006 Free Software Foundation, Inc.
+ Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ 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
@@ -259,7 +260,7 @@ BODY_PREFIX "_dl_start_user:\n" \
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
#define elf_machine_type_class(type) \
/* This covers all the TLS relocs, though most won't appear. */ \
(((((type) >= R_PPC64_DTPMOD64 && (type) <= R_PPC64_TPREL16_HIGHESTA) \
@@ -494,7 +495,7 @@ elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
*reloc_addr = l_addr + reloc->r_addend;
}
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
/* This computes the value used by TPREL* relocs. */
auto inline Elf64_Addr __attribute__ ((always_inline, const))
elf_machine_tprel (struct link_map *map,
@@ -561,7 +562,7 @@ elf_machine_rela (struct link_map *map,
#endif
return;
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
case R_PPC64_DTPMOD64:
# ifdef RTLD_BOOTSTRAP
/* During startup the dynamic linker is always index 1. */
@@ -644,7 +645,7 @@ elf_machine_rela (struct link_map *map,
value = elf_machine_tprel (map, sym_map, sym, reloc);
*(Elf64_Half *) reloc_addr = PPC_HIGHESTA (value);
break;
-#endif
+#endif /* USE_TLS etc. */
#ifndef RTLD_BOOTSTRAP /* None of the following appear in ld.so */
case R_PPC64_ADDR16_LO_DS:
diff --git a/sysdeps/s390/libc-tls.c b/sysdeps/s390/libc-tls.c
index 766d565a9c..f177f436e9 100644
--- a/sysdeps/s390/libc-tls.c
+++ b/sysdeps/s390/libc-tls.c
@@ -1,5 +1,5 @@
/* Thread-local storage handling in the ELF dynamic linker. S390 version.
- Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2005 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
@@ -20,9 +20,11 @@
#include <stdlib.h>
#include <csu/libc-tls.c>
+#if USE_TLS
+
/* On s390, the literal pool entry that refers to __tls_get_offset
is not removed, even if all branches that use the literal pool
- entry gets removed by TLS optimizations. To get binaries
+ entry gets removed by TLS optimizations. To get binaries
statically linked __tls_get_offset is defined here but
aborts if it is used. */
@@ -31,3 +33,5 @@ __tls_get_offset (size_t m, size_t offset)
{
abort ();
}
+
+#endif
diff --git a/sysdeps/s390/s390-32/dl-machine.h b/sysdeps/s390/s390-32/dl-machine.h
index 64bf3423b6..8bbf858fbf 100644
--- a/sysdeps/s390/s390-32/dl-machine.h
+++ b/sysdeps/s390/s390-32/dl-machine.h
@@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. S390 Version.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
Contributed by Carl Pederson & Martin Schwidefsky.
This file is part of the GNU C Library.
@@ -209,11 +209,17 @@ _dl_start_user:\n\
define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
-#define elf_machine_type_class(type) \
+#ifdef USE_TLS
+# define elf_machine_type_class(type) \
((((type) == R_390_JMP_SLOT || (type) == R_390_TLS_DTPMOD \
|| (type) == R_390_TLS_DTPOFF || (type) == R_390_TLS_TPOFF) \
* ELF_RTYPE_CLASS_PLT) \
| (((type) == R_390_COPY) * ELF_RTYPE_CLASS_COPY))
+#else
+# define elf_machine_type_class(type) \
+ ((((type) == R_390_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) \
+ | (((type) == R_390_COPY) * ELF_RTYPE_CLASS_COPY))
+#endif
/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
#define ELF_MACHINE_JMP_SLOT R_390_JMP_SLOT
@@ -309,7 +315,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
*reloc_addr = value + reloc->r_addend;
break;
-#if (!defined RTLD_BOOTSTRAP || USE___THREAD) \
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD) \
&& !defined RESOLVE_CONFLICT_FIND_MAP
case R_390_TLS_DTPMOD:
# ifdef RTLD_BOOTSTRAP
diff --git a/sysdeps/s390/s390-64/dl-machine.h b/sysdeps/s390/s390-64/dl-machine.h
index fa893befdf..5026a2edad 100644
--- a/sysdeps/s390/s390-64/dl-machine.h
+++ b/sysdeps/s390/s390-64/dl-machine.h
@@ -1,6 +1,6 @@
/* Machine-dependent ELF dynamic relocation inline functions.
64 bit S/390 Version.
- Copyright (C) 2001-2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
This file is part of the GNU C Library.
@@ -192,11 +192,17 @@ _dl_start_user:\n\
define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
-#define elf_machine_type_class(type) \
+#ifdef USE_TLS
+# define elf_machine_type_class(type) \
((((type) == R_390_JMP_SLOT || (type) == R_390_TLS_DTPMOD \
|| (type) == R_390_TLS_DTPOFF || (type) == R_390_TLS_TPOFF) \
* ELF_RTYPE_CLASS_PLT) \
| (((type) == R_390_COPY) * ELF_RTYPE_CLASS_COPY))
+#else
+# define elf_machine_type_class(type) \
+ ((((type) == R_390_JMP_SLOT) * ELF_RTYPE_CLASS_PLT) \
+ | (((type) == R_390_COPY) * ELF_RTYPE_CLASS_COPY))
+#endif
/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
#define ELF_MACHINE_JMP_SLOT R_390_JMP_SLOT
@@ -288,7 +294,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
*reloc_addr = value + reloc->r_addend;
break;
-#if (!defined RTLD_BOOTSTRAP || USE___THREAD) \
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD) \
&& !defined RESOLVE_CONFLICT_FIND_MAP
case R_390_TLS_DTPMOD:
# ifdef RTLD_BOOTSTRAP
diff --git a/sysdeps/sh/dl-machine.h b/sysdeps/sh/dl-machine.h
index 78f70e3880..e73c6d79c3 100644
--- a/sysdeps/sh/dl-machine.h
+++ b/sysdeps/sh/dl-machine.h
@@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. SH version.
- Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -208,7 +208,7 @@ __fpscr_values:\n\
define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
# define elf_machine_type_class(type) \
((((type) == R_SH_JMP_SLOT || (type) == R_SH_TLS_DTPMOD32 \
|| (type) == R_SH_TLS_DTPOFF32 || (type) == R_SH_TLS_TPOFF32) \
@@ -354,7 +354,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
/* These addresses are always aligned. */
*reloc_addr = value;
break;
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
/* XXX Remove TLS relocations which are not needed. */
case R_SH_TLS_DTPMOD32:
# ifdef RTLD_BOOTSTRAP
diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h
index 19aac6a7fe..02dabaabb4 100644
--- a/sysdeps/sparc/sparc32/dl-machine.h
+++ b/sysdeps/sparc/sparc32/dl-machine.h
@@ -188,7 +188,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
PLT entries should not be allowed to define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
# define elf_machine_type_class(type) \
((((type) == R_SPARC_JMP_SLOT \
|| ((type) >= R_SPARC_TLS_GD_HI22 && (type) <= R_SPARC_TLS_TPOFF64)) \
@@ -459,7 +459,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
so we can optimize the first instruction of .plt out. */
sparc_fixup_plt (reloc, reloc_addr, value, 0);
break;
-#if (!defined RTLD_BOOTSTRAP || USE___THREAD) \
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD) \
&& !defined RESOLVE_CONFLICT_FIND_MAP
case R_SPARC_TLS_DTPMOD32:
/* Get the information from the link map returned by the
diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h
index 3eee672912..314a784dbc 100644
--- a/sysdeps/sparc/sparc64/dl-machine.h
+++ b/sysdeps/sparc/sparc64/dl-machine.h
@@ -240,7 +240,7 @@ elf_machine_plt_value (struct link_map *map, const Elf64_Rela *reloc,
PLT entries should not be allowed to define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
# define elf_machine_type_class(type) \
((((type) == R_SPARC_JMP_SLOT \
|| ((type) >= R_SPARC_TLS_GD_HI22 && (type) <= R_SPARC_TLS_TPOFF64)) \
@@ -589,7 +589,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
sparc64_fixup_plt (map, reloc, reloc_addr, value, reloc->r_addend, 0);
#endif
break;
-#if (!defined RTLD_BOOTSTRAP || USE___THREAD) \
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD) \
&& !defined RESOLVE_CONFLICT_FIND_MAP
case R_SPARC_TLS_DTPMOD64:
/* Get the information from the link map returned by the
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index 137b44c2b8..7c015b1d62 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -126,9 +126,6 @@ libc {
GLIBC_2.5 {
splice; sync_file_range; tee; vmsplice;
}
- GLIBC_2.6 {
- epoll_pwait;
- }
GLIBC_PRIVATE {
# functions used in other libraries
__syscall_rt_sigqueueinfo;
diff --git a/sysdeps/unix/sysv/linux/bits/statvfs.h b/sysdeps/unix/sysv/linux/bits/statvfs.h
index 84717c3d96..cca0871ac0 100644
--- a/sysdeps/unix/sysv/linux/bits/statvfs.h
+++ b/sysdeps/unix/sysv/linux/bits/statvfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1998,2000,2001,2002,2006 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000, 2001, 2002 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
@@ -101,9 +101,7 @@ enum
# define ST_IMMUTABLE ST_IMMUTABLE
ST_NOATIME = 1024, /* Do not update access times. */
# define ST_NOATIME ST_NOATIME
- ST_NODIRATIME = 2048, /* Do not update directory access times. */
+ ST_NODIRATIME = 2048 /* Do not update directory access times. */
# define ST_NODIRATIME ST_NODIRATIME
- ST_RELATIME = 4096 /* Update atime relative to mtime/ctime. */
-# define ST_RELATIME ST_RELATIME
#endif /* Use GNU. */
};
diff --git a/sysdeps/unix/sysv/linux/check_pf.c b/sysdeps/unix/sysv/linux/check_pf.c
index 13ccd7acb4..46161a806a 100644
--- a/sysdeps/unix/sysv/linux/check_pf.c
+++ b/sysdeps/unix/sysv/linux/check_pf.c
@@ -1,5 +1,5 @@
/* Determine protocol families for which interfaces exist. Linux version.
- Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2006, 2007 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
@@ -71,17 +71,38 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
memset (&nladdr, '\0', sizeof (nladdr));
nladdr.nl_family = AF_NETLINK;
+#ifdef PAGE_SIZE
+ /* Help the compiler optimize out the malloc call if PAGE_SIZE
+ is constant and smaller or equal to PTHREAD_STACK_MIN/4. */
+ const size_t buf_size = PAGE_SIZE;
+#else
+ const size_t buf_size = __getpagesize ();
+#endif
+ bool use_malloc = false;
+ char *buf;
+
+ if (__libc_use_alloca (buf_size))
+ buf = alloca (buf_size);
+ else
+ {
+ buf = malloc (buf_size);
+ if (buf != NULL)
+ use_malloc = true;
+ else
+ goto out_fail;
+ }
+
+ struct iovec iov = { buf, buf_size };
+
if (TEMP_FAILURE_RETRY (__sendto (fd, (void *) &req, sizeof (req), 0,
(struct sockaddr *) &nladdr,
sizeof (nladdr))) < 0)
- return -1;
+ goto out_fail;
*seen_ipv4 = false;
*seen_ipv6 = false;
bool done = false;
- char buf[4096];
- struct iovec iov = { buf, sizeof (buf) };
struct in6ailist
{
struct in6addrinfo info;
@@ -101,10 +122,10 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
ssize_t read_len = TEMP_FAILURE_RETRY (__recvmsg (fd, &msg, 0));
if (read_len < 0)
- return -1;
+ goto out_fail;
if (msg.msg_flags & MSG_TRUNC)
- return -1;
+ goto out_fail;
struct nlmsghdr *nlmh;
for (nlmh = (struct nlmsghdr *) buf;
@@ -186,7 +207,7 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
{
*in6ai = malloc (in6ailistlen * sizeof (**in6ai));
if (*in6ai == NULL)
- return -1;
+ goto out_fail;
*in6ailen = in6ailistlen;
@@ -198,7 +219,14 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
while (in6ailist != NULL);
}
+ if (use_malloc)
+ free (buf);
return 0;
+
+out_fail:
+ if (use_malloc)
+ free (buf);
+ return -1;
}
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S
index f73a4b5195..54524ec120 100644
--- a/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/sysdeps/unix/sysv/linux/i386/clone.S
@@ -120,9 +120,6 @@ L(pseudo_end):
ret
L(thread_start):
- cfi_startproc;
- /* Clearing frame pointer is insufficient, use CFI. */
- cfi_undefined (eip);
/* Note: %esi is zero. */
movl %esi,%ebp /* terminate the stack frame */
#ifdef RESET_PID
@@ -155,7 +152,6 @@ L(nomoregetpid):
jmp L(haspid)
.previous
#endif
- cfi_endproc;
cfi_startproc
PSEUDO_END (BP_SYM (__clone))
diff --git a/sysdeps/unix/sysv/linux/i386/getgroups.c b/sysdeps/unix/sysv/linux/i386/getgroups.c
index f69baf943b..b7a0a4efd4 100644
--- a/sysdeps/unix/sysv/linux/i386/getgroups.c
+++ b/sysdeps/unix/sysv/linux/i386/getgroups.c
@@ -52,6 +52,8 @@ __getgroups (int n, gid_t *groups)
}
else
{
+ int i, ngids;
+ __kernel_gid_t kernel_groups[n = MIN (n, __sysconf (_SC_NGROUPS_MAX))];
# ifdef __NR_getgroups32
if (__libc_missing_32bit_uids <= 0)
{
@@ -67,9 +69,6 @@ __getgroups (int n, gid_t *groups)
}
# endif /* __NR_getgroups32 */
- int i, ngids;
- __kernel_gid_t kernel_groups[n = MIN (n, __sysconf (_SC_NGROUPS_MAX))];
-
ngids = INLINE_SYSCALL (getgroups, 2, n, CHECK_N (kernel_groups, n));
if (n != 0 && ngids > 0)
for (i = 0; i < ngids; i++)
diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c
index b5c1b98573..299574dac4 100644
--- a/sysdeps/unix/sysv/linux/i386/sigaction.c
+++ b/sysdeps/unix/sysv/linux/i386/sigaction.c
@@ -1,5 +1,5 @@
/* POSIX.1 `sigaction' call for Linux/i386.
- Copyright (C) 1991,1995-2000,2002-2005,2006 Free Software Foundation, Inc.
+ Copyright (C) 1991,1995-2000,2002-2004,2005 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
@@ -46,10 +46,18 @@ int __libc_missing_rt_sigs;
/* Using the hidden attribute here does not change the code but it
helps to avoid warnings. */
-#ifdef __NR_rt_sigaction
+#if defined HAVE_HIDDEN && defined HAVE_VISIBILITY_ATTRIBUTE \
+ && !defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE
+# ifdef __NR_rt_sigaction
extern void restore_rt (void) asm ("__restore_rt") attribute_hidden;
-#endif
+# endif
extern void restore (void) asm ("__restore") attribute_hidden;
+#else
+# ifdef __NR_rt_sigaction
+static void restore_rt (void) asm ("__restore_rt");
+# endif
+static void restore (void) asm ("__restore");
+#endif
/* If ACT is not NULL, change the action for SIG to *ACT.
diff --git a/sysdeps/unix/sysv/linux/ifaddrs.c b/sysdeps/unix/sysv/linux/ifaddrs.c
index 82495de03e..02e6935538 100644
--- a/sysdeps/unix/sysv/linux/ifaddrs.c
+++ b/sysdeps/unix/sysv/linux/ifaddrs.c
@@ -1,5 +1,5 @@
/* getifaddrs -- get names and addresses of all network interfaces
- Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006, 2007 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
@@ -122,36 +122,36 @@ int
__netlink_request (struct netlink_handle *h, int type)
{
struct netlink_res *nlm_next;
- struct netlink_res **new_nlm_list;
- static volatile size_t buf_size = 4096;
- char *buf;
struct sockaddr_nl nladdr;
struct nlmsghdr *nlmh;
ssize_t read_len;
bool done = false;
- bool use_malloc = false;
- if (__netlink_sendreq (h, type) < 0)
- return -1;
+#ifdef PAGE_SIZE
+ /* Help the compiler optimize out the malloc call if PAGE_SIZE
+ is constant and smaller or equal to PTHREAD_STACK_MIN/4. */
+ const size_t buf_size = PAGE_SIZE;
+#else
+ const size_t buf_size = __getpagesize ();
+#endif
+ bool use_malloc = false;
+ char *buf;
- size_t this_buf_size = buf_size;
- if (__libc_use_alloca (this_buf_size))
- buf = alloca (this_buf_size);
+ if (__libc_use_alloca (buf_size))
+ buf = alloca (buf_size);
else
{
- buf = malloc (this_buf_size);
+ buf = malloc (buf_size);
if (buf != NULL)
use_malloc = true;
else
goto out_fail;
}
- struct iovec iov = { buf, this_buf_size };
+ struct iovec iov = { buf, buf_size };
- if (h->nlm_list != NULL)
- new_nlm_list = &h->end_ptr->next;
- else
- new_nlm_list = &h->nlm_list;
+ if (__netlink_sendreq (h, type) < 0)
+ goto out_fail;
while (! done)
{
@@ -171,48 +171,7 @@ __netlink_request (struct netlink_handle *h, int type)
continue;
if (__builtin_expect (msg.msg_flags & MSG_TRUNC, 0))
- {
- if (this_buf_size >= SIZE_MAX / 2)
- goto out_fail;
-
- nlm_next = *new_nlm_list;
- while (nlm_next != NULL)
- {
- struct netlink_res *tmpptr;
-
- tmpptr = nlm_next->next;
- free (nlm_next);
- nlm_next = tmpptr;
- }
- *new_nlm_list = NULL;
-
- if (__libc_use_alloca (2 * this_buf_size))
- buf = extend_alloca (buf, this_buf_size, 2 * this_buf_size);
- else
- {
- this_buf_size *= 2;
-
- char *new_buf = realloc (use_malloc ? buf : NULL, this_buf_size);
- if (new_buf == NULL)
- goto out_fail;
- new_buf = buf;
-
- use_malloc = true;
- }
- buf_size = this_buf_size;
-
- iov.iov_base = buf;
- iov.iov_len = this_buf_size;
-
- /* Increase sequence number, so that we can distinguish
- between old and new request messages. */
- h->seq++;
-
- if (__netlink_sendreq (h, type) < 0)
- goto out_fail;
-
- continue;
- }
+ goto out_fail;
size_t count = 0;
size_t remaining_len = read_len;
diff --git a/sysdeps/unix/sysv/linux/internal_statvfs.c b/sysdeps/unix/sysv/linux/internal_statvfs.c
index 28c1cb691f..73317ecafd 100644
--- a/sysdeps/unix/sysv/linux/internal_statvfs.c
+++ b/sysdeps/unix/sysv/linux/internal_statvfs.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@@ -156,8 +156,6 @@ __statvfs_getflags (const char *name, int fstype, struct stat64 *st)
result |= ST_NOATIME;
else if (strcmp (opt, "nodiratime") == 0)
result |= ST_NODIRATIME;
- else if (strcmp (opt, "relatime") == 0)
- result |= ST_RELATIME;
/* We can stop looking for more entries. */
success = true;
diff --git a/sysdeps/unix/sysv/linux/posix_madvise.c b/sysdeps/unix/sysv/linux/posix_madvise.c
new file mode 100644
index 0000000000..880b17ef31
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/posix_madvise.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2007 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 <sysdep.h>
+#include <sys/mman.h>
+
+
+int
+posix_madvise (void *addr, size_t len, int advice)
+{
+ /* We have one problem: the kernel's MADV_DONTNEED does not
+ correspond to POSIX's POSIX_MADV_DONTNEED. The former simply
+ discards changes made to the memory without writing it back to
+ disk, if this would be necessary. The POSIX behavior does not
+ allow this. There is no functionality mapping the POSIX behavior
+ so far so we ignore that advice for now. */
+ if (advice == POSIX_MADV_DONTNEED)
+ return 0;
+
+ INTERNAL_SYSCALL_DECL (err);
+ int result = INTERNAL_SYSCALL (madvise, err, 3, addr, len, advice);
+ return INTERNAL_SYSCALL_ERRNO (result, err);
+}
diff --git a/sysdeps/unix/sysv/linux/sh/bits/shm.h b/sysdeps/unix/sysv/linux/sh/bits/shm.h
deleted file mode 100644
index 189179394b..0000000000
--- a/sysdeps/unix/sysv/linux/sh/bits/shm.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/* Copyright (C) 1995,1996,1997,2000,2002,2004,2006 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. */
-
-#ifndef _SYS_SHM_H
-# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Permission flag for shmget. */
-#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
-#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
-
-/* Flags for `shmat'. */
-#define SHM_RDONLY 010000 /* attach read-only else read-write */
-#define SHM_RND 020000 /* round attach address to SHMLBA */
-#define SHM_REMAP 040000 /* take-over region on attach */
-
-/* Commands for `shmctl'. */
-#define SHM_LOCK 11 /* lock segment (root only) */
-#define SHM_UNLOCK 12 /* unlock segment (root only) */
-
-__BEGIN_DECLS
-
-/* Segment low boundary address multiple. */
-#define SHMLBA 0x4000
-
-/* Type to count number of attaches. */
-typedef unsigned long int shmatt_t;
-
-/* Data structure describing a set of semaphores. */
-struct shmid_ds
- {
- struct ipc_perm shm_perm; /* operation permission struct */
- size_t shm_segsz; /* size of segment in bytes */
- __time_t shm_atime; /* time of last shmat() */
- unsigned long int __unused1;
- __time_t shm_dtime; /* time of last shmdt() */
- unsigned long int __unused2;
- __time_t shm_ctime; /* time of last change by shmctl() */
- unsigned long int __unused3;
- __pid_t shm_cpid; /* pid of creator */
- __pid_t shm_lpid; /* pid of last shmop */
- shmatt_t shm_nattch; /* number of current attaches */
- unsigned long int __unused4;
- unsigned long int __unused5;
- };
-
-#ifdef __USE_MISC
-
-/* ipcs ctl commands */
-# define SHM_STAT 13
-# define SHM_INFO 14
-
-/* shm_mode upper byte flags */
-# define SHM_DEST 01000 /* segment will be destroyed on last detach */
-# define SHM_LOCKED 02000 /* segment will not be swapped */
-# define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */
-# define SHM_NORESERVE 010000 /* don't check for reservations */
-
-struct shminfo
- {
- unsigned long int shmmax;
- unsigned long int shmmin;
- unsigned long int shmmni;
- unsigned long int shmseg;
- unsigned long int shmall;
- unsigned long int __unused1;
- unsigned long int __unused2;
- unsigned long int __unused3;
- unsigned long int __unused4;
- };
-
-struct shm_info
- {
- int used_ids;
- unsigned long int shm_tot; /* total allocated shm */
- unsigned long int shm_rss; /* total resident shm */
- unsigned long int shm_swp; /* total swapped shm */
- unsigned long int swap_attempts;
- unsigned long int swap_successes;
- };
-
-#endif /* __USE_MISC */
-
-__END_DECLS
diff --git a/sysdeps/unix/sysv/linux/sh/sys/io.h b/sysdeps/unix/sysv/linux/sh/sys/io.h
new file mode 100644
index 0000000000..6fdc44ff89
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sh/sys/io.h
@@ -0,0 +1,48 @@
+/* Copyright (C) 1996, 1998, 1999, 2000 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. */
+
+#ifndef _SYS_IO_H
+
+#define _SYS_IO_H 1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* If TURN_ON is TRUE, request for permission to do direct i/o on the
+ port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O
+ permission off for that range. This call requires root privileges. */
+extern int ioperm (unsigned long int __from, unsigned long int __num,
+ int __turn_on) __THROW;
+
+/* Set the I/O privilege level to LEVEL. If LEVEL is nonzero,
+ permission to access any I/O port is granted. This call requires
+ root privileges. */
+extern int iopl (int __level) __THROW;
+
+/* The functions that actually perform reads and writes. */
+extern unsigned char inb (unsigned long int port) __THROW;
+extern unsigned short int inw (unsigned long int port) __THROW;
+extern unsigned long int inl (unsigned long int port) __THROW;
+
+extern void outb (unsigned char value, unsigned long int port) __THROW;
+extern void outw (unsigned short value, unsigned long int port) __THROW;
+extern void outl (unsigned long value, unsigned long int port) __THROW;
+
+__END_DECLS
+
+#endif /* _SYS_IO_H */
diff --git a/sysdeps/unix/sysv/linux/sys/epoll.h b/sysdeps/unix/sysv/linux/sys/epoll.h
index d8901f7d53..68f173a04d 100644
--- a/sysdeps/unix/sysv/linux/sys/epoll.h
+++ b/sysdeps/unix/sysv/linux/sys/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005 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
@@ -22,14 +22,6 @@
#include <stdint.h>
#include <sys/types.h>
-/* Get __sigset_t. */
-#include <bits/sigset.h>
-
-#ifndef __sigset_t_defined
-# define __sigset_t_defined
-typedef __sigset_t sigset_t;
-#endif
-
enum EPOLL_EVENTS
{
@@ -113,16 +105,6 @@ extern int epoll_ctl (int __epfd, int __op, int __fd,
extern int epoll_wait (int __epfd, struct epoll_event *__events,
int __maxevents, int __timeout);
-
-/* Same as epoll_wait, but the thread's signal mask is temporarily
- and atomically replaced with the one provided as parameter.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int epoll_pwait (int __epfd, struct epoll_event *__events,
- int __maxevents, int __timeout,
- __const __sigset_t *__ss);
-
__END_DECLS
#endif /* sys/epoll.h */
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 5776673733..e16110480f 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -10,8 +10,7 @@ delete_module EXTRA delete_module 3 delete_module
epoll_create EXTRA epoll_create i:i epoll_create
epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl
epoll_wait EXTRA epoll_wait Ci:ipii epoll_wait
-epoll_pwait EXTRA epoll_pwait Ci:ipiipi epoll_pwait
-fdatasync - fdatasync i:i fdatasync
+fdatasync - fdatasync Ci:i fdatasync
flock - flock i:ii __flock flock
fork - fork i: __libc_fork __fork fork
get_kernel_syms EXTRA get_kernel_syms i:p get_kernel_syms
@@ -32,7 +31,6 @@ ioperm - ioperm i:iii ioperm
iopl - iopl i:i iopl
klogctl EXTRA syslog i:isi klogctl
lchown - lchown i:sii __lchown lchown
-posix_madvise - madvise Vi:pii posix_madvise
madvise - madvise i:pii madvise
mincore - mincore i:anV mincore
mlock - mlock i:bn mlock
diff --git a/sysdeps/unix/sysv/linux/x86_64/Makefile b/sysdeps/unix/sysv/linux/x86_64/Makefile
index bdad5063df..0f20367236 100644
--- a/sysdeps/unix/sysv/linux/x86_64/Makefile
+++ b/sysdeps/unix/sysv/linux/x86_64/Makefile
@@ -10,6 +10,6 @@ ifeq ($(subdir),stdlib)
sysdep_routines += __start_context
endif
-ifeq ($(subdir),csu)
+ifeq ($(subdir),stdlib)
gen-as-const-headers += ucontext_i.sym
endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/clone.S b/sysdeps/unix/sysv/linux/x86_64/clone.S
index db42f209c9..8a12b09035 100644
--- a/sysdeps/unix/sysv/linux/x86_64/clone.S
+++ b/sysdeps/unix/sysv/linux/x86_64/clone.S
@@ -89,9 +89,6 @@ L(pseudo_end):
ret
L(thread_start):
- cfi_startproc;
- /* Clearing frame pointer is insufficient, use CFI. */
- cfi_undefined (rip);
/* Clear the frame pointer. The ABI suggests this be done, to mark
the outermost frame obviously. */
xorl %ebp, %ebp
@@ -116,7 +113,6 @@ L(thread_start):
/* Call exit with return value from function call. */
movq %rax, %rdi
call HIDDEN_JUMPTARGET (_exit)
- cfi_endproc;
cfi_startproc;
PSEUDO_END (BP_SYM (__clone))
diff --git a/sysdeps/unix/sysv/linux/x86_64/sigaction.c b/sysdeps/unix/sysv/linux/x86_64/sigaction.c
index ab10123858..d6f4558cef 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sigaction.c
+++ b/sysdeps/unix/sysv/linux/x86_64/sigaction.c
@@ -1,5 +1,5 @@
/* POSIX.1 `sigaction' call for Linux/x86-64.
- Copyright (C) 2001, 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2005 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
@@ -33,14 +33,17 @@
translate it here. */
#include <kernel_sigaction.h>
-#include "ucontext_i.h"
-
/* We do not globally define the SA_RESTORER flag so do it here. */
#define SA_RESTORER 0x04000000
/* Using the hidden attribute here does not change the code but it
helps to avoid warnings. */
+#if defined HAVE_HIDDEN && defined HAVE_VISIBILITY_ATTRIBUTE \
+ && !defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE
extern void restore_rt (void) asm ("__restore_rt") attribute_hidden;
+#else
+static void restore_rt (void) asm ("__restore_rt");
+#endif
/* If ACT is not NULL, change the action for SIG to *ACT.
@@ -92,95 +95,18 @@ weak_alias (__libc_sigaction, sigaction)
signal handlers work right. Important are both the names
(__restore_rt) and the exact instruction sequence.
If you ever feel the need to make any changes, please notify the
- appropriate GDB maintainer.
-
- The unwind information starts a byte before __restore_rt, so that
- it is found when unwinding, to get an address the unwinder assumes
- will be in the middle of a call instruction. See the Linux kernel
- (the i386 vsyscall, in particular) for an explanation of the complex
- unwind information used here in order to get the traditional CFA.
- We do not restore cs - it's only stored as two bytes here so that's
- a bit tricky. We don't use the gas cfi directives, so that we can
- reliably add .cfi_signal_frame. */
-
-#define do_cfa_expr \
- " .byte 0x0f\n" /* DW_CFA_def_cfa_expression */ \
- " .uleb128 2f-1f\n" /* length */ \
- "1: .byte 0x77\n" /* DW_OP_breg7 */ \
- " .sleb128 " CFI_STRINGIFY (oRSP) "\n" \
- " .byte 0x06\n" /* DW_OP_deref */ \
- "2:"
-
-#define do_expr(regno, offset) \
- " .byte 0x10\n" /* DW_CFA_expression */ \
- " .uleb128 " CFI_STRINGIFY (regno) "\n" \
- " .uleb128 2f-1f\n" /* length */ \
- "1: .byte 0x77\n" /* DW_OP_breg7 */ \
- " .sleb128 " CFI_STRINGIFY (offset) "\n" \
- "2:"
+ appropriate GDB maintainer. */
#define RESTORE(name, syscall) RESTORE2 (name, syscall)
# define RESTORE2(name, syscall) \
-asm \
- ( \
- /* `nop' for debuggers assuming `call' should not disalign the code. */ \
- " nop\n" \
- ".align 16\n" \
- ".LSTART_" #name ":\n" \
- " .type __" #name ",@function\n" \
- "__" #name ":\n" \
- " movq $" #syscall ", %rax\n" \
- " syscall\n" \
- ".LEND_" #name ":\n" \
- ".section .eh_frame,\"a\",@progbits\n" \
- ".LSTARTFRAME_" #name ":\n" \
- " .long .LENDCIE_" #name "-.LSTARTCIE_" #name "\n" \
- ".LSTARTCIE_" #name ":\n" \
- " .long 0\n" /* CIE ID */ \
- " .byte 1\n" /* Version number */ \
- " .string \"zRS\"\n" /* NUL-terminated augmentation string */ \
- " .uleb128 1\n" /* Code alignment factor */ \
- " .sleb128 -8\n" /* Data alignment factor */ \
- " .uleb128 16\n" /* Return address register column (rip) */ \
- /* Augmentation value length */ \
- " .uleb128 .LENDAUGMNT_" #name "-.LSTARTAUGMNT_" #name "\n" \
- ".LSTARTAUGMNT_" #name ":\n" \
- " .byte 0x1b\n" /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */ \
- ".LENDAUGMNT_" #name ":\n" \
- " .align 8\n" \
- ".LENDCIE_" #name ":\n" \
- " .long .LENDFDE_" #name "-.LSTARTFDE_" #name "\n" /* FDE len */ \
- ".LSTARTFDE_" #name ":\n" \
- " .long .LSTARTFDE_" #name "-.LSTARTFRAME_" #name "\n" /* CIE */ \
- /* `LSTART_' is subtracted 1 as debuggers assume a `call' here. */ \
- " .long (.LSTART_" #name "-1)-.\n" /* PC-relative start addr. */ \
- " .long .LEND_" #name "-(.LSTART_" #name "-1)\n" \
- " .uleb128 0\n" /* FDE augmentation length */ \
- do_cfa_expr \
- do_expr (8 /* r8 */, oR8) \
- do_expr (9 /* r9 */, oR9) \
- do_expr (10 /* r10 */, oR10) \
- do_expr (11 /* r11 */, oR11) \
- do_expr (12 /* r12 */, oR12) \
- do_expr (13 /* r13 */, oR13) \
- do_expr (14 /* r14 */, oR14) \
- do_expr (15 /* r15 */, oR15) \
- do_expr (5 /* rdi */, oRDI) \
- do_expr (4 /* rsi */, oRSI) \
- do_expr (6 /* rbp */, oRBP) \
- do_expr (3 /* rbx */, oRBX) \
- do_expr (1 /* rdx */, oRDX) \
- do_expr (0 /* rax */, oRAX) \
- do_expr (2 /* rcx */, oRCX) \
- do_expr (7 /* rsp */, oRSP) \
- do_expr (16 /* rip */, oRIP) \
- /* libgcc-4.1.1 has only `DWARF_FRAME_REGISTERS == 17'. */ \
- /* do_expr (49 |* rflags *|, oEFL) */ \
- /* `cs'/`ds'/`fs' are unaligned and a different size. */ \
- /* gas: Error: register save offset not a multiple of 8 */ \
- " .align 8\n" \
- ".LENDFDE_" #name ":\n" \
- " .previous\n" \
+asm \
+ ( \
+ ".align 16\n" \
+ CFI_STARTPROC "\n" \
+ "__" #name ":\n" \
+ " movq $" #syscall ", %rax\n" \
+ " syscall\n" \
+ CFI_ENDPROC "\n" \
);
/* The return code for realtime-signals. */
RESTORE (restore_rt, __NR_rt_sigreturn)
diff --git a/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym b/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym
index af3e0e544b..b3cfe9aa4c 100644
--- a/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym
+++ b/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym
@@ -18,8 +18,6 @@ oRSP mreg (RSP)
oRBX mreg (RBX)
oR8 mreg (R8)
oR9 mreg (R9)
-oR10 mreg (R10)
-oR11 mreg (R11)
oR12 mreg (R12)
oR13 mreg (R13)
oR14 mreg (R14)
@@ -30,7 +28,6 @@ oRDX mreg (RDX)
oRAX mreg (RAX)
oRCX mreg (RCX)
oRIP mreg (RIP)
-oEFL mreg (EFL)
oFPREGS mcontext (fpregs)
oSIGMASK ucontext (uc_sigmask)
oFPREGSMEM ucontext (__fpregs_mem)
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h
index 65d6b02008..133a68d192 100644
--- a/sysdeps/x86_64/bits/atomic.h
+++ b/sysdeps/x86_64/bits/atomic.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -18,7 +18,6 @@
02111-1307 USA. */
#include <stdint.h>
-#include <tls.h> /* For tcbhead_t. */
typedef int8_t atomic8_t;
@@ -81,54 +80,8 @@ typedef uintmax_t uatomic_max_t;
({ __typeof (*mem) ret; \
__asm __volatile (LOCK_PREFIX "cmpxchgq %q2, %1" \
: "=a" (ret), "=m" (*mem) \
- : "r" ((long int) (newval)), "m" (*mem), \
- "0" ((long int) (oldval))); \
- ret; })
-
-
-#define __arch_c_compare_and_exchange_val_8_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile ("cmpl $0, %%fs:%P5\n\t" \
- "je 0f\n\t" \
- "lock\n" \
- "0:\tcmpxchgb %b2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "q" (newval), "m" (*mem), "0" (oldval), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- ret; })
-
-#define __arch_c_compare_and_exchange_val_16_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile ("cmpl $0, %%fs:%P5\n\t" \
- "je 0f\n\t" \
- "lock\n" \
- "0:\tcmpxchgw %w2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "q" (newval), "m" (*mem), "0" (oldval), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- ret; })
-
-#define __arch_c_compare_and_exchange_val_32_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile ("cmpl $0, %%fs:%P5\n\t" \
- "je 0f\n\t" \
- "lock\n" \
- "0:\tcmpxchgl %2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "q" (newval), "m" (*mem), "0" (oldval), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- ret; })
-
-#define __arch_c_compare_and_exchange_val_64_acq(mem, newval, oldval) \
- ({ __typeof (*mem) ret; \
- __asm __volatile ("cmpl $0, %%fs:%P5\n\t" \
- "je 0f\n\t" \
- "lock\n" \
- "0:\tcmpxchgq %q2, %1" \
- : "=a" (ret), "=m" (*mem) \
- : "q" ((long int) (newval)), "m" (*mem), \
- "0" ((long int)oldval), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
+ : "r" ((long) (newval)), "m" (*mem), \
+ "0" ((long) (oldval))); \
ret; })
@@ -154,76 +107,49 @@ typedef uintmax_t uatomic_max_t;
result; })
-#define __arch_exchange_and_add_body(lock, mem, value) \
+#define atomic_exchange_and_add(mem, value) \
({ __typeof (*mem) result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (lock "xaddb %b0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddb %b0, %1" \
: "=r" (result), "=m" (*mem) \
- : "0" (value), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
+ : "0" (value), "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "xaddw %w0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddw %w0, %1" \
: "=r" (result), "=m" (*mem) \
- : "0" (value), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
+ : "0" (value), "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "xaddl %0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddl %0, %1" \
: "=r" (result), "=m" (*mem) \
- : "0" (value), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
+ : "0" (value), "m" (*mem)); \
else \
- __asm __volatile (lock "xaddq %q0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddq %q0, %1" \
: "=r" (result), "=m" (*mem) \
- : "0" ((long) (value)), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
+ : "0" ((long) (value)), "m" (*mem)); \
result; })
-#define atomic_exchange_and_add(mem, value) \
- __arch_exchange_and_add_body (LOCK_PREFIX, mem, value)
-
-#define __arch_exchange_and_add_cprefix \
- "cmpl $0, %%fs:%P4\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_exchange_and_add(mem, value) \
- __arch_exchange_and_add_body (__arch_exchange_and_add_cprefix, mem, value)
-
-
-#define __arch_add_body(lock, pfx, mem, value) \
- do { \
- if (__builtin_constant_p (value) && (value) == 1) \
- pfx##_increment (mem); \
- else if (__builtin_constant_p (value) && (value) == -1) \
- pfx##_decrement (mem); \
- else if (sizeof (*mem) == 1) \
- __asm __volatile (lock "addb %b1, %0" \
- : "=m" (*mem) \
- : "ir" (value), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "addw %w1, %0" \
- : "=m" (*mem) \
- : "ir" (value), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "addl %1, %0" \
- : "=m" (*mem) \
- : "ir" (value), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else \
- __asm __volatile (lock "addq %q1, %0" \
- : "=m" (*mem) \
- : "ir" ((long) (value)), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- } while (0)
#define atomic_add(mem, value) \
- __arch_add_body (LOCK_PREFIX, atomic, mem, value)
-
-#define __arch_add_cprefix \
- "cmpl $0, %%fs:%P3\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_add(mem, value) \
- __arch_add_body (__arch_add_cprefix, catomic, mem, value)
+ (void) ({ if (__builtin_constant_p (value) && (value) == 1) \
+ atomic_increment (mem); \
+ else if (__builtin_constant_p (value) && (value) == 1) \
+ atomic_decrement (mem); \
+ else if (sizeof (*mem) == 1) \
+ __asm __volatile (LOCK_PREFIX "addb %b1, %0" \
+ : "=m" (*mem) \
+ : "ir" (value), "m" (*mem)); \
+ else if (sizeof (*mem) == 2) \
+ __asm __volatile (LOCK_PREFIX "addw %w1, %0" \
+ : "=m" (*mem) \
+ : "ir" (value), "m" (*mem)); \
+ else if (sizeof (*mem) == 4) \
+ __asm __volatile (LOCK_PREFIX "addl %1, %0" \
+ : "=m" (*mem) \
+ : "ir" (value), "m" (*mem)); \
+ else \
+ __asm __volatile (LOCK_PREFIX "addq %q1, %0" \
+ : "=m" (*mem) \
+ : "ir" ((long) (value)), "m" (*mem)); \
+ })
#define atomic_add_negative(mem, value) \
@@ -268,37 +194,24 @@ typedef uintmax_t uatomic_max_t;
__result; })
-#define __arch_increment_body(lock, mem) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (lock "incb %b0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "incw %w0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "incl %0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else \
- __asm __volatile (lock "incq %q0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- } while (0)
-
-#define atomic_increment(mem) __arch_increment_body (LOCK_PREFIX, mem)
-
-#define __arch_increment_cprefix \
- "cmpl $0, %%fs:%P2\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_increment(mem) \
- __arch_increment_body (__arch_increment_cprefix, mem)
+#define atomic_increment(mem) \
+ (void) ({ if (sizeof (*mem) == 1) \
+ __asm __volatile (LOCK_PREFIX "incb %b0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else if (sizeof (*mem) == 2) \
+ __asm __volatile (LOCK_PREFIX "incw %w0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else if (sizeof (*mem) == 4) \
+ __asm __volatile (LOCK_PREFIX "incl %0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else \
+ __asm __volatile (LOCK_PREFIX "incq %q0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ })
#define atomic_increment_and_test(mem) \
@@ -322,37 +235,24 @@ typedef uintmax_t uatomic_max_t;
__result; })
-#define __arch_decrement_body(lock, mem) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (lock "decb %b0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "decw %w0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "decl %0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else \
- __asm __volatile (lock "decq %q0" \
- : "=m" (*mem) \
- : "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- } while (0)
-
-#define atomic_decrement(mem) __arch_decrement_body (LOCK_PREFIX, mem)
-
-#define __arch_decrement_cprefix \
- "cmpl $0, %%fs:%P2\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_decrement(mem) \
- __arch_decrement_body (__arch_decrement_cprefix, mem)
+#define atomic_decrement(mem) \
+ (void) ({ if (sizeof (*mem) == 1) \
+ __asm __volatile (LOCK_PREFIX "decb %b0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else if (sizeof (*mem) == 2) \
+ __asm __volatile (LOCK_PREFIX "decw %w0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else if (sizeof (*mem) == 4) \
+ __asm __volatile (LOCK_PREFIX "decl %0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ else \
+ __asm __volatile (LOCK_PREFIX "decq %q0" \
+ : "=m" (*mem) \
+ : "m" (*mem)); \
+ })
#define atomic_decrement_and_test(mem) \
@@ -377,28 +277,27 @@ typedef uintmax_t uatomic_max_t;
#define atomic_bit_set(mem, bit) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "orb %b2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "ir" (1L << (bit))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "orw %w2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "ir" (1L << (bit))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "orl %2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "ir" (1L << (bit))); \
- else if (__builtin_constant_p (bit) && (bit) < 32) \
- __asm __volatile (LOCK_PREFIX "orq %2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "i" (1L << (bit))); \
- else \
- __asm __volatile (LOCK_PREFIX "orq %q2, %0" \
- : "=m" (*mem) \
- : "m" (*mem), "r" (1UL << (bit))); \
- } while (0)
+ (void) ({ if (sizeof (*mem) == 1) \
+ __asm __volatile (LOCK_PREFIX "orb %b2, %0" \
+ : "=m" (*mem) \
+ : "m" (*mem), "ir" (1L << (bit))); \
+ else if (sizeof (*mem) == 2) \
+ __asm __volatile (LOCK_PREFIX "orw %w2, %0" \
+ : "=m" (*mem) \
+ : "m" (*mem), "ir" (1L << (bit))); \
+ else if (sizeof (*mem) == 4) \
+ __asm __volatile (LOCK_PREFIX "orl %2, %0" \
+ : "=m" (*mem) \
+ : "m" (*mem), "ir" (1L << (bit))); \
+ else if (__builtin_constant_p (bit) && (bit) < 32) \
+ __asm __volatile (LOCK_PREFIX "orq %2, %0" \
+ : "=m" (*mem) \
+ : "m" (*mem), "i" (1L << (bit))); \
+ else \
+ __asm __volatile (LOCK_PREFIX "orq %q2, %0" \
+ : "=m" (*mem) \
+ : "m" (*mem), "r" (1UL << (bit))); \
+ })
#define atomic_bit_test_set(mem, bit) \
@@ -423,56 +322,3 @@ typedef uintmax_t uatomic_max_t;
#define atomic_delay() asm ("rep; nop")
-
-
-#define atomic_and(mem, mask) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK_PREFIX "andb %1, %b0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem)); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK_PREFIX "andw %1, %w0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem)); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK_PREFIX "andl %1, %0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem)); \
- else \
- __asm __volatile (LOCK_PREFIX "andq %1, %q0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem)); \
- } while (0)
-
-
-#define __arch_or_body(lock, mem, mask) \
- do { \
- if (sizeof (*mem) == 1) \
- __asm __volatile (lock "orb %1, %b0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 2) \
- __asm __volatile (lock "orw %1, %w0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else if (sizeof (*mem) == 4) \
- __asm __volatile (lock "orl %1, %0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- else \
- __asm __volatile (lock "orq %1, %q0" \
- : "=m" (*mem) \
- : "ir" (mask), "m" (*mem), \
- "i" (offsetof (tcbhead_t, multiple_threads))); \
- } while (0)
-
-#define atomic_or(mem, mask) __arch_or_body (LOCK_PREFIX, mem, mask)
-
-#define __arch_or_cprefix \
- "cmpl $0, %%fs:%P3\n\tje 0f\n\tlock\n0:\t"
-
-#define catomic_or(mem, mask) __arch_or_body (__arch_or_cprefix, mem, mask)
diff --git a/sysdeps/x86_64/bits/byteswap.h b/sysdeps/x86_64/bits/byteswap.h
index e1c861c75f..ec2b17889d 100644
--- a/sysdeps/x86_64/bits/byteswap.h
+++ b/sysdeps/x86_64/bits/byteswap.h
@@ -1,5 +1,6 @@
/* Macros to swap the order of bytes in integer values.
- Copyright (C) 1997, 1998, 2000, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2000, 2002, 2003, 2007
+ 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
@@ -59,7 +60,9 @@
# if __WORDSIZE == 64 || (defined __i486__ || defined __pentium__ \
|| defined __pentiumpro__ || defined __pentium4__ \
|| defined __k8__ || defined __athlon__ \
- || defined __k6__)
+ || defined __k6__ || defined __nocona__ \
+ || defined __core2__ || defined __geode__ \
+ || defined __amdfam10__)
/* To swap the bytes in a word the i486 processors and up provide the
`bswap' opcode. On i386 we have to use three instructions. */
# define __bswap_32(x) \
diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h
index 31a7013d50..73e271775a 100644
--- a/sysdeps/x86_64/dl-machine.h
+++ b/sysdeps/x86_64/dl-machine.h
@@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. x86-64 version.
- Copyright (C) 2001-2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>.
@@ -190,7 +190,7 @@ _dl_start_user:\n\
define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
-#if !defined RTLD_BOOTSTRAP || USE___THREAD
+#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
# define elf_machine_type_class(type) \
((((type) == R_X86_64_JUMP_SLOT \
|| (type) == R_X86_64_DTPMOD64 \
@@ -300,7 +300,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
*reloc_addr = value + reloc->r_addend;
break;
-#ifndef RESOLVE_CONFLICT_FIND_MAP
+#if defined USE_TLS && !defined RESOLVE_CONFLICT_FIND_MAP
case R_X86_64_DTPMOD64:
# ifdef RTLD_BOOTSTRAP
/* During startup the dynamic linker is always the module
@@ -339,7 +339,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
- sym_map->l_tls_offset);
}
break;
-#endif
+#endif /* use TLS */
#ifndef RTLD_BOOTSTRAP
case R_X86_64_64:
diff --git a/sysdeps/x86_64/fpu/e_log10l.S b/sysdeps/x86_64/fpu/e_log10l.S
index b4343bef45..633234b744 100644
--- a/sysdeps/x86_64/fpu/e_log10l.S
+++ b/sysdeps/x86_64/fpu/e_log10l.S
@@ -42,7 +42,7 @@ ENTRY(__ieee754_log10l)
fxam
fnstsw
fld %st // x : x : log10(2)
- andb $1,%ah
+ testb $1, %ah
jnz 3f // in case x is NaN or ħInf
4: fsubl MO(one) // x-1 : x : log10(2)
fld %st // x-1 : x-1 : x : log10(2)
@@ -59,7 +59,8 @@ ENTRY(__ieee754_log10l)
fyl2x // log10(x)
ret
-3: jp 4b // in case x is ħInf
+3: testb $4, %ah
+ jnz 4b // in case x is ħInf
fstp %st(1)
fstp %st(1)
ret
diff --git a/sysdeps/x86_64/fpu/e_log2l.S b/sysdeps/x86_64/fpu/e_log2l.S
index 7a89b94d9f..f04d30a05a 100644
--- a/sysdeps/x86_64/fpu/e_log2l.S
+++ b/sysdeps/x86_64/fpu/e_log2l.S
@@ -39,7 +39,7 @@ ENTRY(__ieee754_log2l)
fxam
fnstsw
fld %st // x : x : 1
- andb $1,%ah
+ testb $1, %ah
jnz 3f // in case x is NaN or ħInf
4: fsub %st(2), %st // x-1 : x : 1
fld %st // x-1 : x-1 : x : 1
@@ -56,7 +56,8 @@ ENTRY(__ieee754_log2l)
fyl2x // log(x)
ret
-3: jp 4b // in case x is ħInf
+3: testb $4, %ah
+ jnz 4b // in case x is ħInf
fstp %st(1)
fstp %st(1)
ret
diff --git a/sysdeps/x86_64/fpu/e_logl.S b/sysdeps/x86_64/fpu/e_logl.S
index a0bed663c8..2ba91eedfd 100644
--- a/sysdeps/x86_64/fpu/e_logl.S
+++ b/sysdeps/x86_64/fpu/e_logl.S
@@ -38,8 +38,12 @@ limit: .double 0.29
ENTRY(__ieee754_logl)
fldln2 // log(2)
fldt 8(%rsp) // x : log(2)
+ fxam
+ fnstsw
fld %st // x : x : log(2)
- fsubl MO(one) // x-1 : x : log(2)
+ testb $1, %ah
+ jnz 3f // in case x is NaN or +-Inf
+4: fsubl MO(one) // x-1 : x : log(2)
fld %st // x-1 : x-1 : x : log(2)
fabs // |x-1| : x-1 : x : log(2)
fcompl MO(limit) // x-1 : x : log(2)
@@ -53,4 +57,10 @@ ENTRY(__ieee754_logl)
2: fstp %st(0) // x : log(2)
fyl2x // log(x)
ret
+
+3: testb $4, %ah
+ jnz 4b // in case x is +-Inf
+ fstp %st(1)
+ fstp %st(1)
+ ret
END (__ieee754_logl)
diff --git a/sysdeps/x86_64/fpu/e_powl.S b/sysdeps/x86_64/fpu/e_powl.S
index 85f4deb3c7..4959bea7ac 100644
--- a/sysdeps/x86_64/fpu/e_powl.S
+++ b/sysdeps/x86_64/fpu/e_powl.S
@@ -1,5 +1,6 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -146,10 +147,11 @@ ENTRY(__ieee754_powl)
2: /* y is a real number. */
fxch // x : y
fldl MO(one) // 1.0 : x : y
- fld %st(1) // x : 1.0 : x : y
- fsub %st(1) // x-1 : 1.0 : x : y
- fabs // |x-1| : 1.0 : x : y
- fcompl MO(limit) // 1.0 : x : y
+ fldl MO(limit) // 0.29 : 1.0 : x : y
+ fld %st(2) // x : 0.29 : 1.0 : x : y
+ fsub %st(2) // x-1 : 0.29 : 1.0 : x : y
+ fabs // |x-1| : 0.29 : 1.0 : x : y
+ fucompp // 1.0 : x : y
fnstsw
fxch // x : 1.0 : y
test $4500,%eax
@@ -190,9 +192,10 @@ ENTRY(__ieee754_powl)
// y == ħinf
.align ALIGNARG(4)
12: fstp %st(0) // pop y
- fldt 8(%rsp) // x
- fabs
- fcompl MO(one) // < 1, == 1, or > 1
+ fldl MO(one) // 1
+ fldt 8(%rsp) // x : 1
+ fabs // abs(x) : 1
+ fucompp // < 1, == 1, or > 1
fnstsw
andb $0x45, %ah
cmpb $0x45, %ah
diff --git a/sysdeps/x86_64/fpu/math_private.h b/sysdeps/x86_64/fpu/math_private.h
new file mode 100644
index 0000000000..4febcbb5ec
--- /dev/null
+++ b/sysdeps/x86_64/fpu/math_private.h
@@ -0,0 +1,21 @@
+#ifndef _MATH_PRIVATE_H
+
+#define math_opt_barrier(x) \
+({ __typeof(x) __x; \
+ if (sizeof (x) <= sizeof (double)) \
+ __asm ("" : "=x" (__x) : "0" (x)); \
+ else \
+ __asm ("" : "=t" (__x) : "0" (x)); \
+ __x; })
+#define math_force_eval(x) \
+do \
+ { \
+ if (sizeof (x) <= sizeof (double)) \
+ __asm __volatile ("" : : "x" (x)); \
+ else \
+ __asm __volatile ("" : : "f" (x)); \
+ } \
+while (0)
+
+#include <math/math_private.h>
+#endif
diff --git a/sysdeps/x86_64/fpu/s_copysign.S b/sysdeps/x86_64/fpu/s_copysign.S
index f3d9b0cbb4..f1ebcf8bf1 100644
--- a/sysdeps/x86_64/fpu/s_copysign.S
+++ b/sysdeps/x86_64/fpu/s_copysign.S
@@ -1,5 +1,5 @@
/* copy sign, double version.
- Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2002.
@@ -31,8 +31,6 @@
signmask:
.byte 0, 0, 0, 0, 0, 0, 0, 0x80
.byte 0, 0, 0, 0, 0, 0, 0, 0
- ASM_SIZE_DIRECTIVE(signmask)
- ASM_TYPE_DIRECTIVE(othermask,@object)
othermask:
.byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f
.byte 0, 0, 0, 0, 0, 0, 0, 0
@@ -44,7 +42,6 @@ othermask:
#define MO(op) op
#endif
- .text
ENTRY(__copysign)
andpd MO(othermask),%xmm0
andpd MO(signmask),%xmm1
diff --git a/sysdeps/x86_64/fpu/s_copysignf.S b/sysdeps/x86_64/fpu/s_copysignf.S
index 0fbe1d4c96..f5dc5f78ad 100644
--- a/sysdeps/x86_64/fpu/s_copysignf.S
+++ b/sysdeps/x86_64/fpu/s_copysignf.S
@@ -1,5 +1,5 @@
/* copy sign, double version.
- Copyright (C) 2002, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2002.
@@ -38,7 +38,6 @@ mask:
#define MO(op) op
#endif
- .text
ENTRY(__copysignf)
movss MO(mask),%xmm3
andps %xmm3,%xmm0
diff --git a/sysdeps/x86_64/fpu/s_log1pl.S b/sysdeps/x86_64/fpu/s_log1pl.S
index 7fbd0e5aaa..ac2bd22a4f 100644
--- a/sysdeps/x86_64/fpu/s_log1pl.S
+++ b/sysdeps/x86_64/fpu/s_log1pl.S
@@ -45,7 +45,7 @@ ENTRY(__log1pl)
fxam
fnstsw
fld %st
- andb $1,%ah
+ testb $1, %ah
jnz 3f // in case x is NaN or ħInf
4:
fabs
@@ -62,7 +62,8 @@ ENTRY(__log1pl)
2: fyl2xp1
ret
-3: jp 4b // in case x is ħInf
+3: testb $4, %ah
+ jnz 4b // in case x is ħInf
fstp %st(1)
fstp %st(1)
ret
diff --git a/sysdeps/x86_64/ldbl2mpn.c b/sysdeps/x86_64/ldbl2mpn.c
new file mode 100644
index 0000000000..641b789cd4
--- /dev/null
+++ b/sysdeps/x86_64/ldbl2mpn.c
@@ -0,0 +1 @@
+#include "../i386/ldbl2mpn.c"
diff --git a/sysdeps/x86_64/soft-fp/sfp-machine.h b/sysdeps/x86_64/soft-fp/sfp-machine.h
new file mode 100644
index 0000000000..77df02380c
--- /dev/null
+++ b/sysdeps/x86_64/soft-fp/sfp-machine.h
@@ -0,0 +1,51 @@
+#define _FP_W_TYPE_SIZE 64
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#define __FP_CLZ(r, x) \
+ do { \
+ __asm__("bsrq %1,%0" : "=r"(r) : "g"(x) : "cc"); \
+ r ^= 63; \
+ } while (0)
+
+#define _FP_NANFRAC_S _FP_QNANBIT_S
+#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
+#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
+#define _FP_NANSIGN_S 1
+#define _FP_NANSIGN_D 1
+#define _FP_NANSIGN_Q 1
+
+#define _FP_KEEPNANFRACP 1
+/* Here is something Intel misdesigned: the specs don't define
+ the case where we have two NaNs with same mantissas, but
+ different sign. Different operations pick up different NaNs.
+ */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if (_FP_FRAC_GT_##wc(X, Y) \
+ || (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ else \
+ { \
+ R##_s = Y##_s; \
+ _FP_FRAC_COPY_##wc(R,Y); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+#define FP_EX_INVALID (1 << 0)
+#define FP_EX_DENORM (1 << 1)
+#define FP_EX_DIVZERO (1 << 2)
+#define FP_EX_OVERFLOW (1 << 3)
+#define FP_EX_UNDERFLOW (1 << 4)
+#define FP_EX_INEXACT (1 << 5)
+
+#define FP_RND_NEAREST 0
+#define FP_RND_ZERO 3
+#define FP_RND_PINF 2
+#define FP_RND_MINF 1
+