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authorUlrich Drepper <drepper@redhat.com>1997-03-16 20:28:07 +0000
committerUlrich Drepper <drepper@redhat.com>1997-03-16 20:28:07 +0000
commit0d8733c4fc3695c7987548d10c344445f3eb552d (patch)
tree4a2fe41c465963794a6f9d4d1717494972336e14 /sysdeps
parent1ed4222e5724ce863a95c15eb530dfab7ef0451c (diff)
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1997-03-16 18:43 Ulrich Drepper <drepper@cygnus.com> * manual/filesys.texi: Add documentation for scandir and alphasort. * math/math.c (fpclassify): Correct stupid typos. * math/libm-test.c: New file. libm test suite by Andreas Jaeger. * nss/nss_files/files-hosts.c: Add gethostbyname2 imlementation. * posix/Makefile (routines): Add bsd-getpgrp. * posix/bsd-getpgrp.c: New file. * posix/unistd.h [__FAVOR_BSD]: Define macro getpgrp which maps calls to __bsd_getpgrp. * sysdeps/generic/getpgrp.c: De-ANSI-declfy. * sysdeps/i386/huge_val.h: New file. ix87 specific infinity values. * sysdeps/m68k/huge_val.h: New file. m68k specific infinity values. * sysdeps/generic/huge_val.h: Remove definition of long double definition. Make it the same as the double definition. * sysdeps/libm-i387/e_acos.S: Fix bug in FPU stack handling. * sysdeps/libm-i387/e_acosf.S: Likewise. * sysdeps/libm-i387/e_acosl.S: Likewise. * sysdeps/libm-i387/e_asin.S: Likewise. * sysdeps/libm-i387/e_asinf.S: Likewise. * sysdeps/libm-i387/e_asinl.S: Likewise. * sysdeps/libm-i387/e_exp.S: Likewise. * sysdeps/libm-i387/e_expf.S: Likewise. * sysdeps/libm-i387/e_expl.S: Likewise. * sysdeps/libm-i387/e_scalbn.S: Likewise. * sysdeps/libm-i387/e_scalbnf.S: Likewise. * sysdeps/libm-i387/e_scalbnl.S: Likewise. * sysdeps/libm-i387/e_log.S: Optimize branch code. * sysdeps/libm-i387/e_logf.S: Likewise. * sysdeps/libm-i387/e_logl.S: Likewise. * sysdeps/libm-i387/e_log10.S: Likewise. * sysdeps/libm-i387/e_log10f.S: Likewise. * sysdeps/libm-i387/e_log10l.S: Likewise. * sysdeps/libm-i387/e_pow.S: Major rewrite to handle special cases. * sysdeps/libm-i387/e_powf.S: Likewise. * sysdeps/libm-i387/e_powl.S: Likewise. * sysdeps/libm-i387/e_expm1.S: Change return value for -inf argument to -1.0. * sysdeps/libm-i387/e_expm1f.S: Likewise. * sysdeps/libm-i387/e_expm1l.S: Likewise. * sysdeps/libm-i387/e_isinfl.c: Return -1 for -inf. * sysdeps/libm-i387/e_logbl.S: Correct return value. Discard first stack element after fxtract. * sysdeps/libm-ieee754/e_atan2l.c: New file. `long double' implementation for atan2 function. * sysdeps/libm-ieee754/k_standard.c: Return NAN for libm not in _SVID_ mode when acos, asin, atan2, log, log10 is called with argument out of range. Add new error case for pow(+0,neg). * sysdeps/libm-ieee754/s_fpclassifyf.c: Correct recognition of NaN and +-inf. * sysdeps/libm-ieee754/s_fpclassifyl.c: Mask out explicit leading digit in stupid 80 bit formats. * sysdeps/libm-ieee754/s_isinf.c: Rewrite to return -1 for -inf. * sysdeps/libm-ieee754/s_isinff.c: Likewise. * sysdeps/libm-ieee754/s_isinfl.c: Likewise. * sysdeps/libm-ieee754/s_scalbnl.c (huge, tiny): Adapt values for long double type. * sysdeps/libm-ieee754/w_atan2.c: Do not raise exception expect when in SVID mode. * sysdeps/libm-ieee754/w_atan2f.c: Likewise. * sysdeps/libm-ieee754/w_atan2l.c: Likewise. * sysdeps/libm-ieee754/w_pow.c: Distinguish error cases for x is +0 or -0. * sysdeps/posix/isfdtype.c: Add cast to prevent warning. * sysdeps/stub/fcntlbits.h: Update copyright. * sysdeps/unix/bsd/fcntlbits.h: Likewise. * sysdeps/unix/bsd/bsd4.4/fcntlbits.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/fcntlbits.h: Likewise. * sysdeps/unix/bsd/ultrix4/fcntlbits.h: Likewise. * sysdeps/unix/common/fcntlbits.h: Likewise. * sysdeps/unix/sysv/fcntlbits.h: Likewise. Define O_FSYNC as alias of O_SYNC. Add BSD compatibility macros FAPPEND, FFSYNC, FNONBLOCK, and FNDELAY. * sysdeps/unix/sysv/irix4/fcntlbits.h: Likewise. * sysdeps/unix/readdir_r.c: Don't copy whole `struct dirent' record, only reclen bytes. * sysdeps/unix/sysv/linux/fcntlbits.h [__USE_GNU]: Add O_READ, O_WRITE and O_NORW. * sysdeps/unix/sysv/linux/alpha/fcntlbits.h: Likewise. * sysdeps/unix/sysv/linux/init-first.h: Add copyright. * sysdeps/unix/sysv/linux/fxstat.c: New file. Rewrite kernel-level struct stat to user-level form. * sysdeps/unix/sysv/linux/lxstat: New file. * sysdeps/unix/sysv/linux/xstat: New file. * sysdeps/unix/sysv/linux/kernel_stat.h: Define struct stat used in kernel. * sysdeps/unix/sysv/linux/statbuf.h (struct stat): Change definition to use prescribed types for elements. (_STAT_VER): Change to value 3. * sysdeps/unix/sysv/linux/alph/statbuf.h: Likewise. * sysdeps/unix/sysv/linux/Dist: Add kernel_stat.h. * sysdeps/unix/sysv/linux/alpha/Dist: Likewise. * time/Makefile: Correct dependencies for test-tz. 1997-03-16 14:59 Philip Blundell <phil@london.uk.eu.org> * resolv/netdb.h: Add prototypes for gai_strerror and getnameinfo (needed for IPv6 basic sockets API). 1997-03-16 15:02 a sun <asun@zoology.washington.edu> * sysdeps/unix/sysv/linux/net/if_ppp.h: Don't use incompatible kernel header. * sysdeps/unix/sysv/linux/net/ppp_defs.h: Likewise. 1997-03-14 17:15 Ulrich Drepper <drepper@cygnus.com> * db/hash/hash_bigkey.c (__big_delete): Don't call __free_ovflpage without testing for last_bfp to be NULL. Reported by fabsoft@fabserver1.zarm.uni-bremen.de. 1997-03-13 11:42 Jim Meyering <meyering@asic.sc.ti.com> * time/mktime.c (TIME_T_MIN): Work around a bug in Cray C 5.0.3.0. 1997-03-14 04:00 Kurt Garloff <garloff@kg1.ping.de> * sysdeps/unix/sysv/linux/fcntlbits.h (O_FSYNC): Make alias for O_SYNC. (FASYNC): Move to __USE_BSD section. Create new macro O_ASYNC. 1997-03-14 02:50 Ulrich Drepper <drepper@cygnus.com> * nis/nss_nis/nis-hosts.c (_nss_nis_gethostbyname2_r): New functions. Compare result for correct address type. (_nss_nis_gethostbyname_r): Use _nss_nis_gethostbyname2_r. Reported by Mirko Streckenbach <mirko@marian.hil.de>. 1997-02-17 01:40 Zlatko Calusic <zcalusic@srce.hr> * time/strptime.c (recursive): Return rp to caller. (strptime_internal): First check for long names, then abbreviated (month & weekday). 1997-03-10 19:44 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makeconfig: Remove useless definitions of ASFLAGS-%. * config.make.in (ASFLAGS-.so): Remove. * configure.in: Don't substitute ASFLAGS_SO. * sysdeps/sparc/configure.in: Remove file. * sysdeps/sparc/Makefile (ASFLAGS-.so): Define. 1997-03-11 17:00 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * time/strptime.c (strptime_internal) [case 'Y']: Always subtract 1900 from year, regardless of century. 1997-03-12 05:43 Ulrich Drepper <drepper@cygnus.com> * stdlib/strtod.c (_tens_in_limb) [BITS_PER_MP_LIMB > 32]: Make all numbers unsigned to make buggy gccs happy. Patch by Bryan W. Headley <bheadley@interaccess.com>. * sysdeps/unix/sysv/linux/netinet/ip.h: Add backward-compatibility definitions. Patch by a sun <asun@zoology.washington.edu>. Pretty print header. * Makerules (build-shlib): Also create symlink if library is versioned. based on a patch by H.J. Lu <hjl@gnu.ai.mit.edu>. Remove special rule to libc.so symlink. 1997-03-11 20:16 Andreas Jaeger <aj@arthur.pfalz.de> * manual/math.texi (Domain and Range Errors): Change descriptions according to recent changes for ISO C 9X. 1997-03-11 22:39 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-ieee754/k_standard.c (__kernel_standard): Correct return values for acos, asin, and atan2. Reported by Andreas Jaeger <aj@arthur.pfalz.de>. 1997-03-10 18:16 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * ypclnt.c (__yp_bind): Fix possible buffer overflow. 1997-03-10 18:06 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> * dirent/alphasort.c (alphasort): Interpret arguments as pointers to pointers to directory entries so that alphasort really can be used as argument for scandir. 1997-03-09 23:33 Andreas Jaeger <aj@arthur.pfalz.de> * string/strdup.c: Declare memcpy if !(_LIBC || STDC_HEADERS) instead of strcpy. 1997-03-10 03:34 Ulrich Drepper <drepper@cygnus.com> * catgets/catgets.c (catopen): Always add NLSPATH to search path for catalogs, not only if the envvar NLSPATH is not available. Reported by Andries.Brouwer@cwi.nl. 1997-03-10 02:46 Ulrich Drepper <drepper@cygnus.com> * Makeconfig (localtime-file): Don't define using installation directory. (inst_localtime-file): New variable. * time/Makefile (installed-localtime-file): Use inst_localtime-file. Reported by Edward Seidl <seidl@janed.com>. 1997-03-10 02:31 H.J. Lu <hjl@gnu.ai.mit.edu> * time/Makefile: Add source files to dependencies for test data. 1997-03-09 22:53 Thorsten Kukuk <kukuk@weber.uni-paderborn.de> * nis/nss_nis/nis-ethers.c: Don't ignore return value of yp_all. * nis/nss_nis/nis-proto.c: Likewise. * nis/nss_nis/nis-rpc.c: Likewise. * nis/nss_nis/nis-service.c: Likewise. 1997-03-08 14:37 Miguel de Icaza <miguel@nuclecu.unam.mx> * sysdeps/sparc/dl-machine.h (elf_machine_rela): Upgrade to versioning; Added missing R_SPARC_WDISP30 handling. (RTLD_START): Implement it. * sysdeps/unix/sysv/linux/sparc/brk.c: Fix. * sysdeps/unix/sysv/linux/sparc/start.c: Startup code for Linux/SPARC. 1997-03-02 18:06 Miguel de Icaza <miguel@nuclecu.unam.mx> * sysdeps/sparc/dl-machine.h (RTLD_START): Make arg as expected by the dynamic linker instead of having a new conditional define. Thanks to Richard Henderson for pointing this out. * elf/rtld.c: Remove usage of ELF_ADJUST_ARG. 1997-03-20 20:44 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/euidaccess.c: Define as __euidaccess and make euidaccess weak alias. 1997-03-07 10:30 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * stdio-common/printf_fphex.c (MIN): New macro. * sysdeps/generic/netinet/in.h: Include <sys/types.h>. * sysdeps/generic/sys/mman.h (msync): Mention third arg. * sysdeps/generic/netinet/in.h: Add definitions for IPv6 basic API. (See change by Philip Blundell on Feb 16, 1997.) 1997-03-05 10:40 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * hurd/hurd.h (vpprintf): Include <stdarg.h>. New declaration. * hurd/set-host.c (_hurd_set_host_config): Cast second arg to __file_name_split. * mach/mach_error.c (mach_error_string_int): Give full prototype. * mach/errstring.c (mach_error_string_int): Likewise. * mach/error_compat.c (__mach_error_map_compat): Likewise. * hurd/vpprintf.c (pwrite, vpprintf): Likewise. * stdio/vasprintf.c (vasprintf): Likewise. * mach/mach/mach_traps.h: Include <mach/kern_return.h>. * mach/spin-solid.c: Include <mach/mach_traps.h>. * mach/spin-solid.c (__spin_lock_solid): Provide arg to swtch_pri. * mach/mach_init.c: Include <mach/mig_support.h>. * mach/mach_error.h (mach_error_string, mach_error, mach_error_type): Always provide prototypes. * mach/mach/error.h (mach_error_fn_t): Comment out declaration; it appears to be entirely unused dead code. * stdio/stdio.h (freopen): Fix spelling error. 1997-03-02 13:38 Miles Bader <miles@gnu.ai.mit.edu> * string/argz.h (__need_error_t): New macro, before including <errno.h> [!__const] (__const): New macro. [!__error_t_defined] (error_t): New typedef. * sysdeps/generic/socketbits.h: Add PF_FILE as synonym for PF_LOCAL * sysdeps/unix/sysv/linux/socketbits.h: Likewise.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/generic/getpgrp.c31
-rw-r--r--sysdeps/generic/netinet/in.h93
-rw-r--r--sysdeps/generic/sys/mman.h6
-rw-r--r--sysdeps/i386/huge_val.h92
-rw-r--r--sysdeps/ieee754/huge_val.h18
-rw-r--r--sysdeps/libm-i387/e_acos.S14
-rw-r--r--sysdeps/libm-i387/e_acosf.S2
-rw-r--r--sysdeps/libm-i387/e_acosl.S2
-rw-r--r--sysdeps/libm-i387/e_asin.S2
-rw-r--r--sysdeps/libm-i387/e_asinf.S2
-rw-r--r--sysdeps/libm-i387/e_asinl.S2
-rw-r--r--sysdeps/libm-i387/e_exp.S3
-rw-r--r--sysdeps/libm-i387/e_expf.S3
-rw-r--r--sysdeps/libm-i387/e_expl.S3
-rw-r--r--sysdeps/libm-i387/e_log.S4
-rw-r--r--sysdeps/libm-i387/e_log10.S4
-rw-r--r--sysdeps/libm-i387/e_log10f.S4
-rw-r--r--sysdeps/libm-i387/e_log10l.S4
-rw-r--r--sysdeps/libm-i387/e_logf.S4
-rw-r--r--sysdeps/libm-i387/e_logl.S4
-rw-r--r--sysdeps/libm-i387/e_pow.S219
-rw-r--r--sysdeps/libm-i387/e_powf.S230
-rw-r--r--sysdeps/libm-i387/e_powl.S206
-rw-r--r--sysdeps/libm-i387/s_expm1.S9
-rw-r--r--sysdeps/libm-i387/s_expm1f.S9
-rw-r--r--sysdeps/libm-i387/s_expm1l.S9
-rw-r--r--sysdeps/libm-i387/s_isinfl.c12
-rw-r--r--sysdeps/libm-i387/s_logbl.S1
-rw-r--r--sysdeps/libm-i387/s_scalbn.S1
-rw-r--r--sysdeps/libm-i387/s_scalbnf.S1
-rw-r--r--sysdeps/libm-i387/s_scalbnl.S1
-rw-r--r--sysdeps/libm-ieee754/e_atan2l.c136
-rw-r--r--sysdeps/libm-ieee754/s_fpclassifyl.c1
-rw-r--r--sysdeps/libm-ieee754/s_isinf.c13
-rw-r--r--sysdeps/libm-ieee754/s_isinff.c11
-rw-r--r--sysdeps/libm-ieee754/s_isinfl.c10
-rw-r--r--sysdeps/libm-ieee754/s_scalbnl.c8
-rw-r--r--sysdeps/libm-ieee754/w_atan2.c7
-rw-r--r--sysdeps/libm-ieee754/w_atan2f.c10
-rw-r--r--sysdeps/libm-ieee754/w_atan2l.c5
-rw-r--r--sysdeps/libm-ieee754/w_pow.c5
-rw-r--r--sysdeps/libm-ieee754/w_powf.c17
-rw-r--r--sysdeps/libm-ieee754/w_powl.c5
-rw-r--r--sysdeps/m68k/huge_val.h92
-rw-r--r--sysdeps/mach/hurd/euidaccess.c5
-rw-r--r--sysdeps/posix/isfdtype.c33
-rw-r--r--sysdeps/sparc/dl-machine.h85
-rw-r--r--sysdeps/sparc/elf/Makefile4
-rw-r--r--sysdeps/sparc/elf/start.c68
-rw-r--r--sysdeps/stub/fcntlbits.h34
-rw-r--r--sysdeps/unix/bsd/bsd4.4/fcntlbits.h34
-rw-r--r--sysdeps/unix/bsd/fcntlbits.h34
-rw-r--r--sysdeps/unix/bsd/sun/sunos4/fcntlbits.h30
-rw-r--r--sysdeps/unix/bsd/ultrix4/fcntlbits.h34
-rw-r--r--sysdeps/unix/common/fcntlbits.h36
-rw-r--r--sysdeps/unix/readdir_r.c8
-rw-r--r--sysdeps/unix/sysv/fcntlbits.h12
-rw-r--r--sysdeps/unix/sysv/irix4/fcntlbits.h40
-rw-r--r--sysdeps/unix/sysv/linux/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/fcntlbits.h10
-rw-r--r--sysdeps/unix/sysv/linux/alpha/kernel_stat.h19
-rw-r--r--sysdeps/unix/sysv/linux/alpha/statbuf.h36
-rw-r--r--sysdeps/unix/sysv/linux/fcntlbits.h10
-rw-r--r--sysdeps/unix/sysv/linux/fxstat.c92
-rw-r--r--sysdeps/unix/sysv/linux/init-first.h21
-rw-r--r--sysdeps/unix/sysv/linux/kernel_stat.h31
-rw-r--r--sysdeps/unix/sysv/linux/lxstat.c92
-rw-r--r--sysdeps/unix/sysv/linux/net/if_ppp.h158
-rw-r--r--sysdeps/unix/sysv/linux/net/ppp_defs.h3
-rw-r--r--sysdeps/unix/sysv/linux/netinet/ip.h168
-rw-r--r--sysdeps/unix/sysv/linux/sparc/brk.c2
-rw-r--r--sysdeps/unix/sysv/linux/statbuf.h25
-rw-r--r--sysdeps/unix/sysv/linux/xstat.c92
74 files changed, 2106 insertions, 427 deletions
diff --git a/sysdeps/generic/getpgrp.c b/sysdeps/generic/getpgrp.c
index d745b0fbf2..805fbfb808 100644
--- a/sysdeps/generic/getpgrp.c
+++ b/sysdeps/generic/getpgrp.c
@@ -1,28 +1,27 @@
-/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 1995, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
-#include <ansidecl.h>
#include <errno.h>
#include <unistd.h>
/* Get the process group ID of the calling process. */
int
-DEFUN_VOID(getpgrp)
+getpgrp (void)
{
return __getpgid (0);
}
diff --git a/sysdeps/generic/netinet/in.h b/sysdeps/generic/netinet/in.h
index a59f584085..1f3e241869 100644
--- a/sysdeps/generic/netinet/in.h
+++ b/sysdeps/generic/netinet/in.h
@@ -22,6 +22,7 @@
#include <features.h>
#include <sys/socket.h>
+#include <sys/types.h>
__BEGIN_DECLS
@@ -138,6 +139,34 @@ struct in_addr
#endif
+/* IPv6 address */
+struct in6_addr
+ {
+ union
+ {
+ u_int8_t u6_addr8[16];
+ u_int16_t u6_addr16[8];
+ u_int32_t u6_addr32[4];
+#if (~0UL) > 0xffffffff
+ u_int64_t u6_addr64[2];
+#endif
+ } in6_u;
+#define s6_addr in6_u.u6_addr8
+#define s6_addr16 in6_u.u6_addr16
+#define s6_addr32 in6_u.u6_addr32
+#define s6_addr64 in6_u.u6_addr64
+ };
+
+extern const struct in6_addr in6addr_any; /* :: */
+extern const struct in6_addr in6addr_loopback; /* ::1 */
+#define IN6ADDR_ANY_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
+#define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }
+
+#define INET_ADDRSTRLEN 16
+#define INET6_ADDRSTRLEN 46
+
+
+
/* Get the definition of the macro to define the common sockaddr members. */
#include <sockaddrcom.h>
@@ -156,6 +185,24 @@ struct sockaddr_in
sizeof(struct in_addr)];
};
+/* Ditto, for IPv6. */
+struct sockaddr_in6
+ {
+ __SOCKADDR_COMMON (sin6_);
+ u_int16_t sin6_port; /* Transport layer port # */
+ u_int32_t sin6_flowinfo; /* IPv6 flow information */
+ struct in6_addr sin6_addr; /* IPv6 address */
+ };
+
+/* IPv6 multicast request. */
+struct ipv6_mreq
+ {
+ /* IPv6 multicast address of group */
+ struct in6_addr ipv6mr_multiaddr;
+
+ /* local IPv6 address of interface */
+ int ipv6mr_ifindex;
+ };
/* Options for use with `getsockopt' and `setsockopt' at the IP level.
The first word in the comment at the right is the data type used;
@@ -213,6 +260,52 @@ extern u_int16_t htons __P ((u_int16_t __hostshort));
#define htons(x) (x)
#endif
+/* IPV6 socket options. */
+#define IPV6_ADDRFORM 1
+#define IPV6_RXINFO 2
+#define IPV6_RXHOPOPTS 3
+#define IPV6_RXDSTOPTS 4
+#define IPV6_RXSRCRT 5
+#define IPV6_PKTOPTIONS 6
+#define IPV6_CHECKSUM 7
+#define IPV6_HOPLIMIT 8
+
+#define IPV6_TXINFO IPV6_RXINFO
+#define SCM_SRCINFO IPV6_TXINFO
+#define SCM_SRCRT IPV6_RXSRCRT
+
+#define IPV6_UNICAST_HOPS 16
+#define IPV6_MULTICAST_IF 17
+#define IPV6_MULTICAST_HOPS 18
+#define IPV6_MULTICAST_LOOP 19
+#define IPV6_ADD_MEMBERSHIP 20
+#define IPV6_DROP_MEMBERSHIP 21
+
+#define IN6_IS_ADDR_UNSPECIFIED(a) \
+ ((((u_int32_t *)(a))[0] == 0) && ((u_int32_t *)(a))[1] == 0) && \
+ (((u_int32_t *)(a))[2] == 0) && ((u_int32_t *)(a))[3] == 0))
+
+#define IN6_IS_ADDR_LOOPBACK(a) \
+ ((((u_int32_t *)(a))[0] == 0) && ((u_int32_t *)(a))[1] == 0) && \
+ (((u_int32_t *)(a))[2] == 0) && ((u_int32_t *)(a))[3] == htonl(1)))
+
+#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *)(a))[0] == 0xff)
+
+#define IN6_IS_ADDR_LINKLOCAL(a) \
+ ((((u_int32_t *)(a))[0] & htonl(0xffc00000)) == htonl(0xfe800000))
+
+#define IN6_IS_ADDR_SITELOCAL(a) \
+ ((((u_int32_t *)(a))[0] & htonl(0xffc00000)) == htonl(0xfec00000))
+
+#define IN6_IS_ADDR_V4MAPPED(a) \
+ ((((u_int32_t *)(a))[0] == 0) && (((u_int32_t *)(a))[1] == 0) && \
+ (((u_int32_t *)(a))[2] == htonl(0xffff)))
+
+#define IN6_IS_ADDR_V4COMPAT(a) \
+ ((((u_int32_t *)(a))[0] == 0) && (((u_int32_t *)(a))[1] == 0) && \
+ (((u_int32_t *)(a))[2] == 0) && (ntohl(((u_int32_t *)(a))[3]) > 1))
+
+
__END_DECLS
#endif /* netinet/in.h */
diff --git a/sysdeps/generic/sys/mman.h b/sysdeps/generic/sys/mman.h
index bcda90f4ba..32b152e124 100644
--- a/sysdeps/generic/sys/mman.h
+++ b/sysdeps/generic/sys/mman.h
@@ -1,5 +1,5 @@
/* Definitions for BSD-style memory management. Generic/4.4 BSD version.
- Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1994, 1995, 1996, 1997 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
@@ -97,8 +97,8 @@ int mprotect __P ((__caddr_t __addr, size_t __len, int __prot));
/* Synchronize the region starting at ADDR and extending LEN bytes with the
file it maps. Filesystem operations on a file being mapped are
- unpredictable before this is done. */
-int msync __P ((__caddr_t __addr, size_t __len));
+ unpredictable before this is done. Flags are from the MS_* set. */
+int msync __P ((__caddr_t __addr, size_t __len, int flags));
/* Advise the system about particular usage patterns the program follows
for the region starting at ADDR and extending LEN bytes. */
diff --git a/sysdeps/i386/huge_val.h b/sysdeps/i386/huge_val.h
new file mode 100644
index 0000000000..8af745f6c1
--- /dev/null
+++ b/sysdeps/i386/huge_val.h
@@ -0,0 +1,92 @@
+/* `HUGE_VAL' constants for ix86 (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _HUGE_VAL_H
+#define _HUGE_VAL_H 1
+
+#include <features.h>
+#include <sys/cdefs.h>
+#include <endian.h>
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
+#endif
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
+#endif
+
+#define __huge_val_t union { unsigned char __c[8]; double __d; }
+#ifdef __GNUC__
+#define HUGE_VAL (__extension__ \
+ ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
+#else /* Not GCC. */
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+#define HUGE_VAL (__huge_val.__d)
+#endif /* GCC. */
+
+
+/* ISO C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
+
+#ifdef __USE_ISOC9X
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
+#endif
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
+#endif
+
+#define __huge_valf_t union { unsigned char __c[4]; float __f; }
+#ifdef __GNUC__
+#define HUGE_VALF (__extension__ \
+ ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
+#else /* Not GCC. */
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+#define HUGE_VALF (__huge_valf.__f)
+#endif /* GCC. */
+
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define __HUGE_VALL_bytes { 0x7f, 0xff, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+#endif
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0 }
+#endif
+
+#define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
+#ifdef __GNUC__
+#define HUGE_VALL (__extension__ \
+ ((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
+#else /* Not GCC. */
+static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
+#define HUGE_VALL (__huge_vall.__ld)
+#endif /* GCC. */
+
+
+/* Expression representing positive infinity. Here it is the same as
+ HUGE_VALF. */
+#define INFINITY HUGE_VALF
+
+#endif /* __USE_ISOC9X. */
+
+
+#endif /* huge_val.h */
diff --git a/sysdeps/ieee754/huge_val.h b/sysdeps/ieee754/huge_val.h
index 4f8b0a9574..ef9fa65902 100644
--- a/sysdeps/ieee754/huge_val.h
+++ b/sysdeps/ieee754/huge_val.h
@@ -65,21 +65,9 @@ static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
#endif /* GCC. */
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
-#endif
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0x7f, 0, 0 }
-#endif
-
-#define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
-#ifdef __GNUC__
-#define HUGE_VALL (__extension__ \
- ((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
-#else /* Not GCC. */
-static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
-#define HUGE_VALL (__huge_vall.__ld)
-#endif /* GCC. */
+/* Generally there is no separate `long double' format and it is the
+ same as `double'. */
+#define HUGE_VALL HUGE_VAL
/* Expression representing positive infinity. Here it is the same as
diff --git a/sysdeps/libm-i387/e_acos.S b/sysdeps/libm-i387/e_acos.S
index becae36d5e..b9d07b1091 100644
--- a/sysdeps/libm-i387/e_acos.S
+++ b/sysdeps/libm-i387/e_acos.S
@@ -10,12 +10,12 @@ RCSID("$NetBSD: e_acos.S,v 1.4 1995/05/08 23:44:37 jtc Exp $")
/* acos = atan (sqrt(1 - x^2) / x) */
ENTRY(__ieee754_acos)
fldl 4(%esp) /* x */
- fst %st(1)
- fmul %st(0) /* x^2 */
- fld1
- fsubp /* 1 - x^2 */
- fsqrt /* sqrt (1 - x^2) */
- fxch %st(1)
- fpatan
+ fld %st /* x : x */
+ fmul %st(0) /* x^2 : x */
+ fld1 /* 1 : x^2 : x */
+ fsubp /* 1 - x^2 : x */
+ fsqrt /* sqrt (1 - x^2) : x */
+ fxch %st(1) /* x : sqrt (1 - x^2) */
+ fpatan /* atan (sqrt(1 - x^2) / x) */
ret
END (__ieee754_acos)
diff --git a/sysdeps/libm-i387/e_acosf.S b/sysdeps/libm-i387/e_acosf.S
index 87ee2fb5bc..50b13fd1bd 100644
--- a/sysdeps/libm-i387/e_acosf.S
+++ b/sysdeps/libm-i387/e_acosf.S
@@ -11,7 +11,7 @@ RCSID("$NetBSD: $")
/* acos = atan (sqrt(1 - x^2) / x) */
ENTRY(__ieee754_acosf)
flds 4(%esp) /* x */
- fst %st(1)
+ fld %st
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
diff --git a/sysdeps/libm-i387/e_acosl.S b/sysdeps/libm-i387/e_acosl.S
index e8f97485de..d69f056556 100644
--- a/sysdeps/libm-i387/e_acosl.S
+++ b/sysdeps/libm-i387/e_acosl.S
@@ -11,7 +11,7 @@
/* acosl = atanl (sqrtl(1 - x^2) / x) */
ENTRY(__ieee754_acosl)
fldt 4(%esp) /* x */
- fst %st(1)
+ fld %st
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
diff --git a/sysdeps/libm-i387/e_asin.S b/sysdeps/libm-i387/e_asin.S
index 1202753d9b..945e308245 100644
--- a/sysdeps/libm-i387/e_asin.S
+++ b/sysdeps/libm-i387/e_asin.S
@@ -10,7 +10,7 @@ RCSID("$NetBSD: e_asin.S,v 1.4 1995/05/08 23:45:40 jtc Exp $")
/* asin = atan (x / sqrt(1 - x^2)) */
ENTRY(__ieee754_asin)
fldl 4(%esp) /* x */
- fst %st(1)
+ fld %st
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
diff --git a/sysdeps/libm-i387/e_asinf.S b/sysdeps/libm-i387/e_asinf.S
index d2159bac37..d450e9a740 100644
--- a/sysdeps/libm-i387/e_asinf.S
+++ b/sysdeps/libm-i387/e_asinf.S
@@ -11,7 +11,7 @@ RCSID("$NetBSD: $")
/* asin = atan (x / sqrt(1 - x^2)) */
ENTRY(__ieee754_asinf)
flds 4(%esp) /* x */
- fst %st(1)
+ fld %st
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
diff --git a/sysdeps/libm-i387/e_asinl.S b/sysdeps/libm-i387/e_asinl.S
index ab421f3189..3919fbcf58 100644
--- a/sysdeps/libm-i387/e_asinl.S
+++ b/sysdeps/libm-i387/e_asinl.S
@@ -12,7 +12,7 @@ RCSID("$NetBSD: $")
/* asinl = atanl (x / sqrtl(1 - x^2)) */
ENTRY(__ieee754_asinl)
fldt 4(%esp) /* x */
- fst %st(1)
+ fld %st
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
diff --git a/sysdeps/libm-i387/e_exp.S b/sysdeps/libm-i387/e_exp.S
index e76b9c63df..4a75fa1d1c 100644
--- a/sysdeps/libm-i387/e_exp.S
+++ b/sysdeps/libm-i387/e_exp.S
@@ -22,7 +22,7 @@ ENTRY(__ieee754_exp)
je 1f /* Is +-Inf, jump. */
fldl2e
fmulp /* x * log2(e) */
- fstl %st(1)
+ fld %st
frndint /* int(x * log2(e)) */
fsubr %st,%st(1) /* fract(x * log2(e)) */
fxch
@@ -35,6 +35,7 @@ ENTRY(__ieee754_exp)
1: testl $0x200, %eax /* Test sign. */
jz 2f /* If positive, jump. */
+ fstp %st
fldz /* Set result to 0. */
2: ret
END (__ieee754_exp)
diff --git a/sysdeps/libm-i387/e_expf.S b/sysdeps/libm-i387/e_expf.S
index 9a669cf8d4..5fd49b89fd 100644
--- a/sysdeps/libm-i387/e_expf.S
+++ b/sysdeps/libm-i387/e_expf.S
@@ -23,7 +23,7 @@ ENTRY(__ieee754_expf)
je 1f /* Is +-Inf, jump. */
fldl2e
fmulp /* x * log2(e) */
- fstl %st(1)
+ fld %st
frndint /* int(x * log2(e)) */
fsubr %st,%st(1) /* fract(x * log2(e)) */
fxch
@@ -36,6 +36,7 @@ ENTRY(__ieee754_expf)
1: testl $0x200, %eax /* Test sign. */
jz 2f /* If positive, jump. */
+ fstp %st
fldz /* Set result to 0. */
2: ret
END (__ieee754_expf)
diff --git a/sysdeps/libm-i387/e_expl.S b/sysdeps/libm-i387/e_expl.S
index e83d30640d..2bcdf58c58 100644
--- a/sysdeps/libm-i387/e_expl.S
+++ b/sysdeps/libm-i387/e_expl.S
@@ -24,7 +24,7 @@ ENTRY(__ieee754_expl)
je 1f /* Is +-Inf, jump. */
fldl2e
fmulp /* x * log2(e) */
- fstl %st(1)
+ fld %st
frndint /* int(x * log2(e)) */
fsubr %st,%st(1) /* fract(x * log2(e)) */
fxch
@@ -37,6 +37,7 @@ ENTRY(__ieee754_expl)
1: testl $0x200, %eax /* Test sign. */
jz 2f /* If positive, jump. */
+ fstp %st
fldz /* Set result to 0. */
2: ret
END (__ieee754_expl)
diff --git a/sysdeps/libm-i387/e_log.S b/sysdeps/libm-i387/e_log.S
index e7f567d950..c7cacdfb0a 100644
--- a/sysdeps/libm-i387/e_log.S
+++ b/sysdeps/libm-i387/e_log.S
@@ -47,8 +47,8 @@ ENTRY(__ieee754_log)
fabs // |x-1| : x-1 : x : log(2)
fcompl MO(limit) // x-1 : x : log(2)
fnstsw // x-1 : x : log(2)
- sahf
- ja 2f
+ andb $0x45, %ah
+ jz 2f
fstp %st(1) // x-1 : log(2)
fyl2xp1 // log(x)
ret
diff --git a/sysdeps/libm-i387/e_log10.S b/sysdeps/libm-i387/e_log10.S
index ecb691b905..2c8488c3a9 100644
--- a/sysdeps/libm-i387/e_log10.S
+++ b/sysdeps/libm-i387/e_log10.S
@@ -47,8 +47,8 @@ ENTRY(__ieee754_log10)
fabs // |x-1| : x-1 : x : log10(2)
fcompl MO(limit) // x-1 : x : log10(2)
fnstsw // x-1 : x : log10(2)
- sahf
- ja 2f
+ andb $0x45, %ah
+ jz 2f
fstp %st(1) // x-1 : log10(2)
fyl2xp1 // log10(x)
ret
diff --git a/sysdeps/libm-i387/e_log10f.S b/sysdeps/libm-i387/e_log10f.S
index aac58d0293..2c07161085 100644
--- a/sysdeps/libm-i387/e_log10f.S
+++ b/sysdeps/libm-i387/e_log10f.S
@@ -48,8 +48,8 @@ ENTRY(__ieee754_log10f)
fabs // |x-1| : x-1 : x : log10(2)
fcompl MO(limit) // x-1 : x : log10(2)
fnstsw // x-1 : x : log10(2)
- sahf
- ja 2f
+ andb $0x45, %ah
+ jz 2f
fstp %st(1) // x-1 : log10(2)
fyl2xp1 // log10(x)
ret
diff --git a/sysdeps/libm-i387/e_log10l.S b/sysdeps/libm-i387/e_log10l.S
index 4f51818bdd..6fe7c5a6f7 100644
--- a/sysdeps/libm-i387/e_log10l.S
+++ b/sysdeps/libm-i387/e_log10l.S
@@ -49,8 +49,8 @@ ENTRY(__ieee754_log10l)
fabs // |x-1| : x-1 : x : log10(2)
fcompl MO(limit) // x-1 : x : log10(2)
fnstsw // x-1 : x : log10(2)
- sahf
- ja 2f
+ andb $0x45, %ah
+ jz 2f
fstp %st(1) // x-1 : log10(2)
fyl2xp1 // log10(x)
ret
diff --git a/sysdeps/libm-i387/e_logf.S b/sysdeps/libm-i387/e_logf.S
index 4459b7fc08..bdba1d3225 100644
--- a/sysdeps/libm-i387/e_logf.S
+++ b/sysdeps/libm-i387/e_logf.S
@@ -48,8 +48,8 @@ ENTRY(__ieee754_logf)
fabs // |x-1| : x-1 : x : log(2)
fcompl MO(limit) // x-1 : x : log(2)
fnstsw // x-1 : x : log(2)
- sahf
- ja 2f
+ andb $0x45, %ah
+ jz 2f
fstp %st(1) // x-1 : log(2)
fyl2xp1 // log(x)
ret
diff --git a/sysdeps/libm-i387/e_logl.S b/sysdeps/libm-i387/e_logl.S
index 08447a27e7..bda3ea508e 100644
--- a/sysdeps/libm-i387/e_logl.S
+++ b/sysdeps/libm-i387/e_logl.S
@@ -48,8 +48,8 @@ ENTRY(__ieee754_logl)
fabs // |x-1| : x-1 : x : log(2)
fcompl MO(limit) // x-1 : x : log(2)
fnstsw // x-1 : x : log(2)
- sahf
- ja 2f
+ andb $0x45, %ah
+ jz 2f
fstp %st(1) // x-1 : log(2)
fyl2xp1 // log(x)
ret
diff --git a/sysdeps/libm-i387/e_pow.S b/sysdeps/libm-i387/e_pow.S
index f6c7562d9c..efe184168b 100644
--- a/sysdeps/libm-i387/e_pow.S
+++ b/sysdeps/libm-i387/e_pow.S
@@ -1,5 +1,5 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -27,31 +27,77 @@
#endif
.align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(infinity,@object)
+inf_zero:
+infinity:
+ .byte 0, 0, 0, 0, 0, 0, 0xf0, 0x7f
+ ASM_SIZE_DIRECTIVE(infinity)
+ ASM_TYPE_DIRECTIVE(zero,@object)
+zero: .double 0.0
+ ASM_SIZE_DIRECTIVE(zero)
+ ASM_TYPE_DIRECTIVE(minf_mzero,@object)
+minf_mzero:
+minfinity:
+ .byte 0, 0, 0, 0, 0, 0, 0xf0, 0xff
+mzero:
+ .byte 0, 0, 0, 0, 0, 0, 0, 0x80
+ ASM_SIZE_DIRECTIVE(minf_mzero)
ASM_TYPE_DIRECTIVE(one,@object)
one: .double 1.0
ASM_SIZE_DIRECTIVE(one)
ASM_TYPE_DIRECTIVE(limit,@object)
limit: .double 0.29
ASM_SIZE_DIRECTIVE(limit)
+ ASM_TYPE_DIRECTIVE(nan,@object)
+nan: .byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
+ ASM_SIZE_DIRECTIVE(nan)
#ifdef PIC
#define MO(op) op##@GOTOFF(%ecx)
+#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
#else
#define MO(op) op
+#define MOX(op,x,f) op(,x,f)
#endif
.text
ENTRY(__ieee754_pow)
- fldl 4(%esp) // x
- fldl 12(%esp) // y : x
+ fldl 12(%esp) // y
+ fxam
+ fnstsw
+ movb %ah, %dl
+ andb $0x45, %ah
+ cmpb $0x40, %ah // is y == 0 ?
+ je 11f
+
+ cmpb $0x05, %ah // is y == ±inf ?
+ je 12f
+
+ cmpb $0x01, %ah // is y == NaN ?
+ je 30f
#ifdef PIC
call 1f
1: popl %ecx
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
#endif
+
+ fldl 4(%esp) // x : y
+
subl $8,%esp
+ fxam
+ fnstsw
+ movb %ah, %dh
+ andb $0x45, %ah
+ cmpb $0x40, %ah
+ je 20f // x is ±0
+
+ cmpb $0x05, %ah
+ je 15f // x is ±inf
+
+ fxch // y : x
+
/* First see whether `y' is a natural number. In this case we
can use a more precise algorithm. */
fld %st // y : y : x
@@ -63,13 +109,11 @@ ENTRY(__ieee754_pow)
jne 2f
/* OK, we have an integer value for y. */
- ftst // y : x
- fstp %st(0) // x
- fnstsw
- sahf
popl %eax
popl %edx
- jnc 4f // y >= 0, jump
+ orl $0, %edx
+ fstp %st(0) // x
+ jns 4f // y >= 0, jump
fdivrl MO(one) // 1/x (now referred to as x)
negl %eax
adcl $0, %edx
@@ -87,7 +131,7 @@ ENTRY(__ieee754_pow)
orl %edx, %ecx
jnz 6b
fstp %st(0) // ST*x
- ret
+30: ret
.align ALIGNARG(4)
2: /* y is a real number. */
@@ -117,4 +161,161 @@ ENTRY(__ieee754_pow)
addl $8, %esp
fstp %st(1) // 2^fract(y*log2(x))*2^int(y*log2(x))
ret
+
+
+ // pow(x,±0) = 1
+ .align ALIGNARG(4)
+11: fstp %st(0) // pop y
+ fldl MO(one)
+ ret
+
+ // y == ±inf
+ .align ALIGNARG(4)
+12: fstp %st(0) // pop y
+ fldl 4(%esp) // x
+ fabs
+ fcompl MO(one) // < 1, == 1, or > 1
+ fnstsw
+ andb $0x45, %ah
+ cmpb $0x45, %ah
+ je 13f // jump if x is NaN
+
+ cmpb $0x40, %ah
+ je 14f // jump if |x| == 1
+
+ shlb $1, %ah
+ xorb %ah, %dl
+ andl $2, %edx
+ fldl MOX(inf_zero, %edx, 4)
+ ret
+
+ .align ALIGNARG(4)
+14: fldl MO(nan)
+ faddl MO(zero) // raise invalid exception
+ ret
+
+ .align ALIGNARG(4)
+13: fldl 4(%esp) // load x == NaN
+ ret
+
+ .align ALIGNARG(4)
+ // x is ±inf
+15: fstp %st(0) // y
+ testb $2, %dh
+ jz 16f // jump if x == +inf
+
+ // We must find out whether y is an odd integer.
+ fld %st // y : y
+ fistpll (%esp) // y
+ fildll (%esp) // int(y) : y
+ fucompp // <empty>
+ fnstsw
+ sahf
+ jne 17f
+
+ // OK, the value is an integer, but is the number of bits small
+ // enough so that all are coming from the mantissa?
+ popl %eax
+ popl %edx
+ andb $1, %al
+ jz 18f // jump if not odd
+ movl %edx, %eax
+ orl %edx, %edx
+ jns 155f
+ negl %eax
+155: cmpl $0x00200000, %eax
+ ja 18f // does not fit in mantissa bits
+ // It's an odd integer.
+ shrl $31, %edx
+ fldl MOX(minf_mzero, %edx, 8)
+ ret
+
+ .align ALIGNARG(4)
+16: fcompl MO(zero)
+ addl $8, %esp
+ fnstsw
+ shrl $5, %eax
+ andl $8, %eax
+ fldl MOX(inf_zero, %eax, 1)
+ ret
+
+ .align ALIGNARG(4)
+17: shll $30, %edx // sign bit for y in right position
+ addl $8, %esp
+18: shrl $31, %edx
+ fldl MOX(inf_zero, %edx, 8)
+ ret
+
+ .align ALIGNARG(4)
+ // x is ±0
+20: fstp %st(0) // y
+ testb $2, %dl
+ jz 21f // y > 0
+
+ // x is ±0 and y is < 0. We must find out whether y is an odd integer.
+ testb $2, %dh
+ jz 25f
+
+ fld %st // y : y
+ fistpll (%esp) // y
+ fildll (%esp) // int(y) : y
+ fucompp // <empty>
+ fnstsw
+ sahf
+ jne 26f
+
+ // OK, the value is an integer, but is the number of bits small
+ // enough so that all are coming from the mantissa?
+ popl %eax
+ popl %edx
+ andb $1, %al
+ jz 27f // jump if not odd
+ cmpl $0xffe00000, %edx
+ jbe 27f // does not fit in mantissa bits
+ // It's an odd integer.
+ // Raise divide-by-zero exception and get minus infinity value.
+ fldl MO(one)
+ fdivl MO(zero)
+ fchs
+ ret
+
+25: fstp %st(0)
+26: popl %eax
+ popl %edx
+27: // Raise divide-by-zero exception and get infinity value.
+ fldl MO(one)
+ fdivl MO(zero)
+ ret
+
+ .align ALIGNARG(4)
+ // x is ±0 and y is > 0. We must find out whether y is an odd integer.
+21: testb $2, %dh
+ jz 22f
+
+ fld %st // y : y
+ fistpll (%esp) // y
+ fildll (%esp) // int(y) : y
+ fucompp // <empty>
+ fnstsw
+ sahf
+ jne 23f
+
+ // OK, the value is an integer, but is the number of bits small
+ // enough so that all are coming from the mantissa?
+ popl %eax
+ popl %edx
+ andb $1, %al
+ jz 24f // jump if not odd
+ cmpl $0xffe00000, %edx
+ jbe 24f // does not fit in mantissa bits
+ // It's an odd integer.
+ fldl MO(mzero)
+ ret
+
+22: fstp %st(0)
+23: popl %eax
+ popl %edx
+24: fldl MO(zero)
+ ret
+
END(__ieee754_pow)
diff --git a/sysdeps/libm-i387/e_powf.S b/sysdeps/libm-i387/e_powf.S
index 9d6bc510b6..54af93c961 100644
--- a/sysdeps/libm-i387/e_powf.S
+++ b/sysdeps/libm-i387/e_powf.S
@@ -1,5 +1,5 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -27,67 +27,107 @@
#endif
.align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(infinity,@object)
+inf_zero:
+infinity:
+ .byte 0, 0, 0, 0, 0, 0, 0xf0, 0x7f
+ ASM_SIZE_DIRECTIVE(infinity)
+ ASM_TYPE_DIRECTIVE(zero,@object)
+zero: .double 0.0
+ ASM_SIZE_DIRECTIVE(zero)
+ ASM_TYPE_DIRECTIVE(minf_mzero,@object)
+minf_mzero:
+minfinity:
+ .byte 0, 0, 0, 0, 0, 0, 0xf0, 0xff
+mzero:
+ .byte 0, 0, 0, 0, 0, 0, 0, 0x80
+ ASM_SIZE_DIRECTIVE(minf_mzero)
ASM_TYPE_DIRECTIVE(one,@object)
one: .double 1.0
ASM_SIZE_DIRECTIVE(one)
ASM_TYPE_DIRECTIVE(limit,@object)
limit: .double 0.29
ASM_SIZE_DIRECTIVE(limit)
+ ASM_TYPE_DIRECTIVE(nan,@object)
+nan: .byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
+ ASM_SIZE_DIRECTIVE(nan)
#ifdef PIC
#define MO(op) op##@GOTOFF(%ecx)
+#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
#else
#define MO(op) op
+#define MOX(op,x,f) op(,x,f)
#endif
.text
ENTRY(__ieee754_powf)
- flds 4(%esp) // x
- flds 8(%esp) // y : x
+ flds 8(%esp) // y
+ fxam
+ fnstsw
+ movb %ah, %dl
+ andb $0x45, %ah
+ cmpb $0x40, %ah // is y == 0 ?
+ je 11f
+
+ cmpb $0x05, %ah // is y == ±inf ?
+ je 12f
+
+ cmpb $0x01, %ah // is y == NaN ?
+ je 30f
#ifdef PIC
call 1f
1: popl %ecx
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
#endif
- subl $8,%esp
+
+ flds 4(%esp) // x : y
+
+ subl $4, %esp
+
+ fxam
+ fnstsw
+ movb %ah, %dh
+ andb $0x45, %ah
+ cmpb $0x40, %ah
+ je 20f // x is ±0
+
+ cmpb $0x05, %ah
+ je 15f // x is ±inf
+
+ fxch // y : x
/* First see whether `y' is a natural number. In this case we
can use a more precise algorithm. */
fld %st // y : y : x
- fistpll (%esp) // y : x
- fildll (%esp) // int(y) : y : x
+ fistpl (%esp) // y : x
+ fildl (%esp) // int(y) : y : x
fucomp %st(1) // y : x
fnstsw
sahf
jne 2f
/* OK, we have an integer value for y. */
- ftst // y : x
- fstp %st(0) // x
- fnstsw
- sahf
- popl %eax
popl %edx
- jnc 4f // y >= 0, jump
+ orl $0, %edx
+ fstp %st(0) // x
+ jns 4f // y >= 0, jump
fdivrl MO(one) // 1/x (now referred to as x)
- negl %eax
- adcl $0, %edx
negl %edx
4: fldl MO(one) // 1 : x
fxch
-6: shrdl $1, %edx, %eax
+6: shrl $1, %edx
jnc 5f
fxch
fmul %st(1) // x : ST*x
fxch
5: fmul %st(0), %st // x*x : ST*x
- movl %eax, %ecx
- orl %edx, %ecx
+ testl %edx, %edx
jnz 6b
fstp %st(0) // ST*x
- ret
+30: ret
.align ALIGNARG(4)
2: /* y is a real number. */
@@ -114,7 +154,159 @@ ENTRY(__ieee754_powf)
f2xm1 // 2^fract(y*log2(x))-1 : int(y*log2(x))
faddl MO(one) // 2^fract(y*log2(x)) : int(y*log2(x))
fscale // 2^fract(y*log2(x))*2^int(y*log2(x)) : int(y*log2(x))
- addl $8, %esp
+ addl $4, %esp
fstp %st(1) // 2^fract(y*log2(x))*2^int(y*log2(x))
ret
+
+
+ // pow(x,±0) = 1
+ .align ALIGNARG(4)
+11: fstp %st(0) // pop y
+ fldl MO(one)
+ ret
+
+ // y == ±inf
+ .align ALIGNARG(4)
+12: fstp %st(0) // pop y
+ flds 4(%esp) // x
+ fabs
+ fcompl MO(one) // < 1, == 1, or > 1
+ fnstsw
+ andb $0x45, %ah
+ cmpb $0x45, %ah
+ je 13f // jump if x is NaN
+
+ cmpb $0x40, %ah
+ je 14f // jump if |x| == 1
+
+ shlb $1, %ah
+ xorb %ah, %dl
+ andl $2, %edx
+ fldl MOX(inf_zero, %edx, 4)
+ ret
+
+ .align ALIGNARG(4)
+14: fldl MO(nan)
+ faddl MO(zero) // raise invalid exception
+ ret
+
+ .align ALIGNARG(4)
+13: flds 4(%esp) // load x == NaN
+ ret
+
+ .align ALIGNARG(4)
+ // x is ±inf
+15: fstp %st(0) // y
+ testb $2, %dh
+ jz 16f // jump if x == +inf
+
+ // We must find out whether y is an odd integer.
+ fld %st // y : y
+ fistpl (%esp) // y
+ fildl (%esp) // int(y) : y
+ fucompp // <empty>
+ fnstsw
+ sahf
+ jne 17f
+
+ // OK, the value is an integer, but is the number of bits small
+ // enough so that all are coming from the mantissa?
+ popl %edx
+ testb $1, %dl
+ jz 18f // jump if not odd
+ movl %edx, %eax
+ orl %edx, %edx
+ jns 155f
+ negl %eax
+155: cmpl $0x01000000, %eax
+ ja 18f // does not fit in mantissa bits
+ // It's an odd integer.
+ shrl $31, %edx
+ fldl MOX(minf_mzero, %edx, 8)
+ ret
+
+ .align ALIGNARG(4)
+16: fcompl MO(zero)
+ addl $4, %esp
+ fnstsw
+ shrl $5, %eax
+ andl $8, %eax
+ fldl MOX(inf_zero, %eax, 1)
+ ret
+
+ .align ALIGNARG(4)
+17: shll $30, %edx // sign bit for y in right position
+ addl $4, %esp
+18: shrl $31, %edx
+ fldl MOX(inf_zero, %edx, 8)
+ ret
+
+ .align ALIGNARG(4)
+ // x is ±0
+20: fstp %st(0) // y
+ testb $2, %dl
+ jz 21f // y > 0
+
+ // x is ±0 and y is < 0. We must find out whether y is an odd integer.
+ testb $2, %dh
+ jz 25f
+
+ fld %st // y : y
+ fistpl (%esp) // y
+ fildl (%esp) // int(y) : y
+ fucompp // <empty>
+ fnstsw
+ sahf
+ jne 26f
+
+ // OK, the value is an integer, but is the number of bits small
+ // enough so that all are coming from the mantissa?
+ popl %edx
+ testb $1, %dl
+ jz 27f // jump if not odd
+ cmpl $0xff000000, %edx
+ jbe 27f // does not fit in mantissa bits
+ // It's an odd integer.
+ // Raise divide-by-zero exception and get minus infinity value.
+ fldl MO(one)
+ fdivl MO(zero)
+ fchs
+ ret
+
+25: fstp %st(0)
+26: popl %eax
+27: // Raise divide-by-zero exception and get infinity value.
+ fldl MO(one)
+ fdivl MO(zero)
+ ret
+
+ .align ALIGNARG(4)
+ // x is ±0 and y is > 0. We must find out whether y is an odd integer.
+21: testb $2, %dh
+ jz 22f
+
+ fld %st // y : y
+ fistpl (%esp) // y
+ fildl (%esp) // int(y) : y
+ fucompp // <empty>
+ fnstsw
+ sahf
+ jne 23f
+
+ // OK, the value is an integer, but is the number of bits small
+ // enough so that all are coming from the mantissa?
+ popl %edx
+ testb $1, %dl
+ jz 24f // jump if not odd
+ cmpl $0xff000000, %edx
+ jbe 24f // does not fit in mantissa bits
+ // It's an odd integer.
+ fldl MO(mzero)
+ ret
+
+22: fstp %st(0)
+23: popl %eax
+24: fldl MO(zero)
+ ret
+
END(__ieee754_powf)
diff --git a/sysdeps/libm-i387/e_powl.S b/sysdeps/libm-i387/e_powl.S
index ea445804f0..3cfb96b213 100644
--- a/sysdeps/libm-i387/e_powl.S
+++ b/sysdeps/libm-i387/e_powl.S
@@ -1,5 +1,5 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -27,31 +27,77 @@
#endif
.align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(infinity,@object)
+inf_zero:
+infinity:
+ .byte 0, 0, 0, 0, 0, 0, 0xf0, 0x7f
+ ASM_SIZE_DIRECTIVE(infinity)
+ ASM_TYPE_DIRECTIVE(zero,@object)
+zero: .double 0.0
+ ASM_SIZE_DIRECTIVE(zero)
+ ASM_TYPE_DIRECTIVE(minf_mzero,@object)
+minf_mzero:
+minfinity:
+ .byte 0, 0, 0, 0, 0, 0, 0xf0, 0xff
+mzero:
+ .byte 0, 0, 0, 0, 0, 0, 0, 0x80
+ ASM_SIZE_DIRECTIVE(minf_mzero)
ASM_TYPE_DIRECTIVE(one,@object)
one: .double 1.0
ASM_SIZE_DIRECTIVE(one)
ASM_TYPE_DIRECTIVE(limit,@object)
limit: .double 0.29
ASM_SIZE_DIRECTIVE(limit)
+ ASM_TYPE_DIRECTIVE(nan,@object)
+nan: .byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
+ ASM_SIZE_DIRECTIVE(nan)
#ifdef PIC
#define MO(op) op##@GOTOFF(%ecx)
+#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
#else
#define MO(op) op
+#define MOX(op,x,f) op(,x,f)
#endif
.text
ENTRY(__ieee754_powl)
- fldt 4(%esp) // x
- fldt 16(%esp) // y : x
+ fldt 16(%esp) // y
+ fxam
+ fnstsw
+ movb %ah, %dl
+ andb $0x45, %ah
+ cmpb $0x40, %ah // is y == 0 ?
+ je 11f
+
+ cmpb $0x05, %ah // is y == ±inf ?
+ je 12f
+
+ cmpb $0x01, %ah // is y == NaN ?
+ je 30f
#ifdef PIC
call 1f
1: popl %ecx
addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
#endif
+
+ fldt 4(%esp) // x : y
+
subl $8,%esp
+ fxam
+ fnstsw
+ movb %ah, %dh
+ andb $0x45, %ah
+ cmpb $0x40, %ah
+ je 20f // x is ±0
+
+ cmpb $0x05, %ah
+ je 15f // x is ±inf
+
+ fxch // y : x
+
/* First see whether `y' is a natural number. In this case we
can use a more precise algorithm. */
fld %st // y : y : x
@@ -63,13 +109,11 @@ ENTRY(__ieee754_powl)
jne 2f
/* OK, we have an integer value for y. */
- ftst // y : x
- fstp %st(0) // x
- fnstsw
- sahf
popl %eax
popl %edx
- jnc 4f // y >= 0, jump
+ orl $0, %edx
+ fstp %st(0) // x
+ jns 4f // y >= 0, jump
fdivrl MO(one) // 1/x (now referred to as x)
negl %eax
adcl $0, %edx
@@ -87,7 +131,7 @@ ENTRY(__ieee754_powl)
orl %edx, %ecx
jnz 6b
fstp %st(0) // ST*x
- ret
+30: ret
.align ALIGNARG(4)
2: /* y is a real number. */
@@ -117,4 +161,148 @@ ENTRY(__ieee754_powl)
addl $8, %esp
fstp %st(1) // 2^fract(y*log2(x))*2^int(y*log2(x))
ret
+
+
+ // pow(x,±0) = 1
+ .align ALIGNARG(4)
+11: fstp %st(0) // pop y
+ fldl MO(one)
+ ret
+
+ // y == ±inf
+ .align ALIGNARG(4)
+12: fstp %st(0) // pop y
+ fldt 4(%esp) // x
+ fabs
+ fcompl MO(one) // < 1, == 1, or > 1
+ fnstsw
+ andb $0x45, %ah
+ cmpb $0x45, %ah
+ je 13f // jump if x is NaN
+
+ cmpb $0x40, %ah
+ je 14f // jump if |x| == 1
+
+ shlb $1, %ah
+ xorb %ah, %dl
+ andl $2, %edx
+ fldl MOX(inf_zero, %edx, 4)
+ ret
+
+ .align ALIGNARG(4)
+14: fldl MO(nan)
+ faddl MO(zero) // raise invalid exception
+ ret
+
+ .align ALIGNARG(4)
+13: fldt 4(%esp) // load x == NaN
+ ret
+
+ .align ALIGNARG(4)
+ // x is ±inf
+15: fstp %st(0) // y
+ testb $2, %dh
+ jz 16f // jump if x == +inf
+
+ // We must find out whether y is an odd integer.
+ fld %st // y : y
+ fistpll (%esp) // y
+ fildll (%esp) // int(y) : y
+ fucompp // <empty>
+ fnstsw
+ sahf
+ jne 17f
+
+ // OK, the value is an integer, but is it odd?
+ popl %eax
+ popl %edx
+ andb $1, %al
+ jz 18f // jump if not odd
+ // It's an odd integer.
+ shrl $31, %edx
+ fldl MOX(minf_mzero, %edx, 8)
+ ret
+
+ .align ALIGNARG(4)
+16: fcompl MO(zero)
+ addl $8, %esp
+ fnstsw
+ shrl $5, %eax
+ andl $8, %eax
+ fldl MOX(inf_zero, %eax, 1)
+ ret
+
+ .align ALIGNARG(4)
+17: shll $30, %edx // sign bit for y in right position
+ addl $8, %esp
+18: shrl $31, %edx
+ fldl MOX(inf_zero, %edx, 8)
+ ret
+
+ .align ALIGNARG(4)
+ // x is ±0
+20: fstp %st(0) // y
+ testb $2, %dl
+ jz 21f // y > 0
+
+ // x is ±0 and y is < 0. We must find out whether y is an odd integer.
+ testb $2, %dh
+ jz 25f
+
+ fld %st // y : y
+ fistpll (%esp) // y
+ fildll (%esp) // int(y) : y
+ fucompp // <empty>
+ fnstsw
+ sahf
+ jne 26f
+
+ // OK, the value is an integer, but is it odd?
+ popl %eax
+ popl %edx
+ andb $1, %al
+ jz 27f // jump if not odd
+ // It's an odd integer.
+ // Raise divide-by-zero exception and get minus infinity value.
+ fldl MO(one)
+ fdivl MO(zero)
+ fchs
+ ret
+
+25: fstp %st(0)
+26: popl %eax
+ popl %edx
+27: // Raise divide-by-zero exception and get infinity value.
+ fldl MO(one)
+ fdivl MO(zero)
+ ret
+
+ .align ALIGNARG(4)
+ // x is ±0 and y is > 0. We must find out whether y is an odd integer.
+21: testb $2, %dh
+ jz 22f
+
+ fld %st // y : y
+ fistpll (%esp) // y
+ fildll (%esp) // int(y) : y
+ fucompp // <empty>
+ fnstsw
+ sahf
+ jne 23f
+
+ // OK, the value is an integer, but is it odd?
+ popl %eax
+ popl %edx
+ andb $1, %al
+ jz 24f // jump if not odd
+ // It's an odd integer.
+ fldl MO(mzero)
+ ret
+
+22: fstp %st(0)
+23: popl %eax
+ popl %edx
+24: fldl MO(zero)
+ ret
+
END(__ieee754_powl)
diff --git a/sysdeps/libm-i387/s_expm1.S b/sysdeps/libm-i387/s_expm1.S
index 78e8013b7e..e1b198d604 100644
--- a/sysdeps/libm-i387/s_expm1.S
+++ b/sysdeps/libm-i387/s_expm1.S
@@ -30,9 +30,9 @@
.text
#endif
.align ALIGNARG(4)
- ASM_TYPE_DIRECTIVE(zero,@object)
-zero: .double 0.0
- ASM_SIZE_DIRECTIVE(zero)
+ ASM_TYPE_DIRECTIVE(minus1,@object)
+minus1: .double -1.0
+ ASM_SIZE_DIRECTIVE(minus1)
ASM_TYPE_DIRECTIVE(one,@object)
one: .double 1.0
ASM_SIZE_DIRECTIVE(one)
@@ -79,7 +79,8 @@ ENTRY(__expm1)
2: testl $0x200, %eax // Test sign.
jz 3f // If positive, jump.
- fldl MO(zero) // Set result to 0.
+ fstp %st
+ fldl MO(minus1) // Set result to -1.0.
3: ret
END(__expm1)
weak_alias (__expm1, expm1)
diff --git a/sysdeps/libm-i387/s_expm1f.S b/sysdeps/libm-i387/s_expm1f.S
index 00f1562e73..8626fee45d 100644
--- a/sysdeps/libm-i387/s_expm1f.S
+++ b/sysdeps/libm-i387/s_expm1f.S
@@ -30,9 +30,9 @@
.text
#endif
.align ALIGNARG(4)
- ASM_TYPE_DIRECTIVE(zero,@object)
-zero: .double 0.0
- ASM_SIZE_DIRECTIVE(zero)
+ ASM_TYPE_DIRECTIVE(minus1,@object)
+minus1: .double -1.0
+ ASM_SIZE_DIRECTIVE(minus1)
ASM_TYPE_DIRECTIVE(one,@object)
one: .double 1.0
ASM_SIZE_DIRECTIVE(one)
@@ -79,7 +79,8 @@ ENTRY(__expm1f)
2: testl $0x200, %eax // Test sign.
jz 3f // If positive, jump.
- fldl MO(zero) // Set result to 0.
+ fstp %st
+ fldl MO(minus1) // Set result to -1.0.
3: ret
END(__expm1f)
weak_alias (__expm1f, expm1f)
diff --git a/sysdeps/libm-i387/s_expm1l.S b/sysdeps/libm-i387/s_expm1l.S
index b7e6b36d39..46290ca4a9 100644
--- a/sysdeps/libm-i387/s_expm1l.S
+++ b/sysdeps/libm-i387/s_expm1l.S
@@ -30,9 +30,9 @@
.text
#endif
.align ALIGNARG(4)
- ASM_TYPE_DIRECTIVE(zero,@object)
-zero: .double 0.0
- ASM_SIZE_DIRECTIVE(zero)
+ ASM_TYPE_DIRECTIVE(minus1,@object)
+minus1: .double -1.0
+ ASM_SIZE_DIRECTIVE(minus1)
ASM_TYPE_DIRECTIVE(one,@object)
one: .double 1.0
ASM_SIZE_DIRECTIVE(one)
@@ -79,7 +79,8 @@ ENTRY(__expm1l)
2: testl $0x200, %eax // Test sign.
jz 3f // If positive, jump.
- fldl MO(zero) // Set result to 0.
+ fstp %st
+ fldl MO(minus1) // Set result to -1.0.
3: ret
END(__expm1l)
weak_alias (__expm1l, expm1l)
diff --git a/sysdeps/libm-i387/s_isinfl.c b/sysdeps/libm-i387/s_isinfl.c
index 3ee53d5ecc..f07898fd1b 100644
--- a/sysdeps/libm-i387/s_isinfl.c
+++ b/sysdeps/libm-i387/s_isinfl.c
@@ -10,7 +10,7 @@ static char rcsid[] = "$NetBSD: $";
#endif
/*
- * isinfl(x) returns 1 is x is inf, else 0;
+ * isinfl(x) returns 1 if x is inf, -1 if x is -inf, else 0;
* no branching!
*/
@@ -26,11 +26,11 @@ static char rcsid[] = "$NetBSD: $";
{
int32_t se,hx,lx;
GET_LDOUBLE_WORDS(se,hx,lx,x);
- se &= 0x7fff;
- se ^= 0x7fff;
/* This additional ^ 0x80000000 is necessary because in Intel's
- internal representation the implicit one is explicit. */
- se |= (hx ^ 0x80000000) | lx;
- return (se == 0);
+ internal representation of the implicit one is explicit. */
+ lx |= (hx ^ 0x80000000) | ((se & 0x7fff) ^ 0x7fff);
+ lx |= -lx;
+ se &= 0x8000;
+ return ~(lx >> 31) & (1 - (se >> 14));
}
weak_alias (__isinfl, isinfl)
diff --git a/sysdeps/libm-i387/s_logbl.S b/sysdeps/libm-i387/s_logbl.S
index 6ce274c57c..5c9a9c1c9d 100644
--- a/sysdeps/libm-i387/s_logbl.S
+++ b/sysdeps/libm-i387/s_logbl.S
@@ -11,6 +11,7 @@ RCSID("$NetBSD: $")
ENTRY(__logbl)
fldt 4(%esp)
fxtract
+ fstp %st
ret
END (__logbl)
weak_alias (__logbl, logbl)
diff --git a/sysdeps/libm-i387/s_scalbn.S b/sysdeps/libm-i387/s_scalbn.S
index 3ec56d4523..709b7a47f5 100644
--- a/sysdeps/libm-i387/s_scalbn.S
+++ b/sysdeps/libm-i387/s_scalbn.S
@@ -11,6 +11,7 @@ ENTRY(__scalbn)
fildl 12(%esp)
fldl 4(%esp)
fscale
+ fstp %st(1)
ret
END (__scalbn)
weak_alias (__scalbn, scalbn)
diff --git a/sysdeps/libm-i387/s_scalbnf.S b/sysdeps/libm-i387/s_scalbnf.S
index b1a1c46b6c..ce92113844 100644
--- a/sysdeps/libm-i387/s_scalbnf.S
+++ b/sysdeps/libm-i387/s_scalbnf.S
@@ -11,6 +11,7 @@ ENTRY(__scalbnf)
fildl 8(%esp)
flds 4(%esp)
fscale
+ fstp %st(1)
ret
END (__scalbnf)
weak_alias (__scalbnf, scalbnf)
diff --git a/sysdeps/libm-i387/s_scalbnl.S b/sysdeps/libm-i387/s_scalbnl.S
index 0f3323803c..09e06457b8 100644
--- a/sysdeps/libm-i387/s_scalbnl.S
+++ b/sysdeps/libm-i387/s_scalbnl.S
@@ -12,6 +12,7 @@ ENTRY(__scalbnl)
fildl 16(%esp)
fldt 4(%esp)
fscale
+ fstp %st(1)
ret
END (__scalbnl)
weak_alias (__scalbnl, scalbnl)
diff --git a/sysdeps/libm-ieee754/e_atan2l.c b/sysdeps/libm-ieee754/e_atan2l.c
new file mode 100644
index 0000000000..6b76f96533
--- /dev/null
+++ b/sysdeps/libm-ieee754/e_atan2l.c
@@ -0,0 +1,136 @@
+/* e_atan2l.c -- long double version of e_atan2.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/* __ieee754_atan2l(y,x)
+ * Method :
+ * 1. Reduce y to positive by atan2(y,x)=-atan2(-y,x).
+ * 2. Reduce x to positive by (if x and y are unexceptional):
+ * ARG (x+iy) = arctan(y/x) ... if x > 0,
+ * ARG (x+iy) = pi - arctan[y/(-x)] ... if x < 0,
+ *
+ * Special cases:
+ *
+ * ATAN2((anything), NaN ) is NaN;
+ * ATAN2(NAN , (anything) ) is NaN;
+ * ATAN2(+-0, +(anything but NaN)) is +-0 ;
+ * ATAN2(+-0, -(anything but NaN)) is +-pi ;
+ * ATAN2(+-(anything but 0 and NaN), 0) is +-pi/2;
+ * ATAN2(+-(anything but INF and NaN), +INF) is +-0 ;
+ * ATAN2(+-(anything but INF and NaN), -INF) is +-pi;
+ * ATAN2(+-INF,+INF ) is +-pi/4 ;
+ * ATAN2(+-INF,-INF ) is +-3pi/4;
+ * ATAN2(+-INF, (anything but,0,NaN, and INF)) is +-pi/2;
+ *
+ * Constants:
+ * The hexadecimal values are the intended ones for the following
+ * constants. The decimal values may be used, provided that the
+ * compiler will convert from decimal to binary accurately enough
+ * to produce the hexadecimal values shown.
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+static const long double
+#else
+static long double
+#endif
+tiny = 1.0e-4900L,
+zero = 0.0,
+pi_o_4 = 7.85398163397448309628202E-01L, /* 0x3FFE, 0xC90FDAA2, 0x2168C235 */
+pi_o_2 = 1.5707963267948966192564E+00L, /* 0x3FFF, 0xC90FDAA2, 0x2168C235 */
+pi = 3.14159265358979323851281E+00L, /* 0x4000, 0xC90FDAA2, 0x2168C235 */
+pi_lo = -5.01655761266833202345176e-20L;/* 0xBFBE, 0xECE675D1, 0xFC8F8CBB */
+
+#ifdef __STDC__
+ long double __ieee754_atan2l(long double y, long double x)
+#else
+ long double __ieee754_atan2l(y,x)
+ long double y,x;
+#endif
+{
+ long double z;
+ int32_t k,m,hx,hy,ix,iy;
+ u_int32_t sx,sy,lx,ly;
+
+ EXTRACT_LDOUBLE_WORDS(sx,hx,lx,x);
+ ix = sx&0x7fff;
+ lx |= hx ^ 0x80000000;
+ EXTRACT_LDOUBLE_WORDS(sy,hy,ly,y);
+ iy = sy&0x7fff;
+ ly |= hy ^ 0x80000000;
+ if(((2*ix|((lx|-lx)>>31))>0xfffe)||
+ ((2*iy|((ly|-ly)>>31))>0xfffe)) /* x or y is NaN */
+ return x+y;
+ if((sx-0x3fff|lx)==0) return __atanl(y); /* x=1.0 */
+ m = ((sy>>15)&1)|((sx>>14)&2); /* 2*sign(x)+sign(y) */
+
+ /* when y = 0 */
+ if((iy|ly)==0) {
+ switch(m) {
+ case 0:
+ case 1: return y; /* atan(+-0,+anything)=+-0 */
+ case 2: return pi+tiny;/* atan(+0,-anything) = pi */
+ case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
+ }
+ }
+ /* when x = 0 */
+ if((ix|lx)==0) return (sy>=0x8000)? -pi_o_2-tiny: pi_o_2+tiny;
+
+ /* when x is INF */
+ if(ix==0x7fff) {
+ if(iy==0x7fff) {
+ switch(m) {
+ case 0: return pi_o_4+tiny;/* atan(+INF,+INF) */
+ case 1: return -pi_o_4-tiny;/* atan(-INF,+INF) */
+ case 2: return 3.0*pi_o_4+tiny;/*atan(+INF,-INF)*/
+ case 3: return -3.0*pi_o_4-tiny;/*atan(-INF,-INF)*/
+ }
+ } else {
+ switch(m) {
+ case 0: return zero ; /* atan(+...,+INF) */
+ case 1: return -zero ; /* atan(-...,+INF) */
+ case 2: return pi+tiny ; /* atan(+...,-INF) */
+ case 3: return -pi-tiny ; /* atan(-...,-INF) */
+ }
+ }
+ }
+ /* when y is INF */
+ if(iy==0x7fff) return (hy>=0x8000)? -pi_o_2-tiny: pi_o_2+tiny;
+
+ /* compute y/x */
+ k = sy-sx;
+ if(k > 70) z=pi_o_2+0.5*pi_lo; /* |y/x| > 2**70 */
+ else if(sx>=0x8000&&k<-70) z=0.0; /* |y|/x < -2**70 */
+ else z=__atanl(fabsl(y/x)); /* safe to do y/x */
+ switch (m) {
+ case 0: return z ; /* atan(+,+) */
+ case 1: {
+ u_int32_t sz;
+ GET_LDOUBLE_EXP(sz,z);
+ SET_LDOUBLE_EXP(z,sy ^ 0x8000);
+ }
+ return z ; /* atan(-,+) */
+ case 2: return pi-(z-pi_lo);/* atan(+,-) */
+ default: /* case 3 */
+ return (z-pi_lo)-pi;/* atan(-,-) */
+ }
+}
diff --git a/sysdeps/libm-ieee754/s_fpclassifyl.c b/sysdeps/libm-ieee754/s_fpclassifyl.c
index ef37e6f0cc..d7a0e943cf 100644
--- a/sysdeps/libm-ieee754/s_fpclassifyl.c
+++ b/sysdeps/libm-ieee754/s_fpclassifyl.c
@@ -30,6 +30,7 @@ __fpclassifyl (long double x)
int retval = FP_NORMAL;
GET_LDOUBLE_WORDS (ex, hx, lx, x);
+ hx &= 0x7fffffff;
hx |= lx;
ex &= 0x7fff;
if ((ex | hx) == 0)
diff --git a/sysdeps/libm-ieee754/s_isinf.c b/sysdeps/libm-ieee754/s_isinf.c
index b35fc1c41c..d3c2cb55b7 100644
--- a/sysdeps/libm-ieee754/s_isinf.c
+++ b/sysdeps/libm-ieee754/s_isinf.c
@@ -1,5 +1,6 @@
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
+ * Changed to return -1 for -Inf by Ulrich Drepper <drepper@cygnus.com>.
* Public domain.
*/
@@ -8,7 +9,7 @@ static char rcsid[] = "$NetBSD: s_isinf.c,v 1.3 1995/05/11 23:20:14 jtc Exp $";
#endif
/*
- * isinf(x) returns 1 is x is inf, else 0;
+ * isinf(x) returns 1 is x is inf, -1 if x is -inf, else 0;
* no branching!
*/
@@ -22,12 +23,12 @@ static char rcsid[] = "$NetBSD: s_isinf.c,v 1.3 1995/05/11 23:20:14 jtc Exp $";
double x;
#endif
{
- int32_t hx,lx;
+ u_int32_t hx;
+ int32_t lx;
EXTRACT_WORDS(hx,lx,x);
- hx &= 0x7fffffff;
- hx ^= 0x7ff00000;
- hx |= lx;
- return (hx == 0);
+ lx |= (hx & 0x7fffffff) ^ 0x7ff00000;
+ lx |= -lx;
+ return ~(lx >> 31) & (1 - ((hx >> 30) & 2));
}
weak_alias (__isinf, isinf)
#ifdef NO_LONG_DOUBLE
diff --git a/sysdeps/libm-ieee754/s_isinff.c b/sysdeps/libm-ieee754/s_isinff.c
index 1d81f15986..9acc0df6ec 100644
--- a/sysdeps/libm-ieee754/s_isinff.c
+++ b/sysdeps/libm-ieee754/s_isinff.c
@@ -8,7 +8,7 @@ static char rcsid[] = "$NetBSD: s_isinff.c,v 1.3 1995/05/11 23:20:21 jtc Exp $";
#endif
/*
- * isinff(x) returns 1 is x is inf, else 0;
+ * isinff(x) returns 1 if x is inf, -1 if x is -inf, else 0;
* no branching!
*/
@@ -22,10 +22,11 @@ static char rcsid[] = "$NetBSD: s_isinff.c,v 1.3 1995/05/11 23:20:21 jtc Exp $";
float x;
#endif
{
- int32_t ix;
+ int32_t ix,t;
GET_FLOAT_WORD(ix,x);
- ix &= 0x7fffffff;
- ix ^= 0x7f800000;
- return (ix == 0);
+ t = ix & 0x7fffffff;
+ t ^= 0x7f800000;
+ t |= -t;
+ return ~(t >> 31) & (1 - ((ix & 0x80000000) >> 30));
}
weak_alias (__isinff, isinff)
diff --git a/sysdeps/libm-ieee754/s_isinfl.c b/sysdeps/libm-ieee754/s_isinfl.c
index 22dff75444..b499821441 100644
--- a/sysdeps/libm-ieee754/s_isinfl.c
+++ b/sysdeps/libm-ieee754/s_isinfl.c
@@ -9,7 +9,7 @@ static char rcsid[] = "$NetBSD: $";
#endif
/*
- * isinfl(x) returns 1 is x is inf, else 0;
+ * isinfl(x) returns 1 if x is inf, -1 if x is -inf, else 0;
* no branching!
*/
@@ -25,9 +25,9 @@ static char rcsid[] = "$NetBSD: $";
{
int32_t se,hx,lx;
GET_LDOUBLE_WORDS(se,hx,lx,x);
- se &= 0x7fff;
- se ^= 0x7fff;
- se |= hx | lx;
- return (se == 0);
+ hx |= lx | ((se & 0x7fff) ^ 0x7fff);
+ hx |= -hx;
+ se &= 0x8000;
+ return ~(hx >> 31) & (1 - (se >> 14));
}
weak_alias (__isinfl, isinfl)
diff --git a/sysdeps/libm-ieee754/s_scalbnl.c b/sysdeps/libm-ieee754/s_scalbnl.c
index d00eb88167..6825e9c7b3 100644
--- a/sysdeps/libm-ieee754/s_scalbnl.c
+++ b/sysdeps/libm-ieee754/s_scalbnl.c
@@ -33,10 +33,10 @@ static const long double
#else
static long double
#endif
-two54 = 1.80143985094819840000e+16, /* 0x43500000, 0x00000000 */
-twom54 = 5.55111512312578270212e-17, /* 0x3C900000, 0x00000000 */
-huge = 1.0e+300,
-tiny = 1.0e-300;
+two54 = 1.80143985094819840000e+16, /* 0x4035, 0x00000000, 0x00000000 */
+twom54 = 5.55111512312578270212e-17, /* 0x3FC9, 0x00000000, 0x00000000 */
+huge = 1.0e+4900L,
+tiny = 1.0e-4900L;
#ifdef __STDC__
long double __scalbnl (long double x, int n)
diff --git a/sysdeps/libm-ieee754/w_atan2.c b/sysdeps/libm-ieee754/w_atan2.c
index ec29d55eb9..3f6032f977 100644
--- a/sysdeps/libm-ieee754/w_atan2.c
+++ b/sysdeps/libm-ieee754/w_atan2.c
@@ -34,11 +34,10 @@ static char rcsid[] = "$NetBSD: w_atan2.c,v 1.6 1995/05/10 20:48:39 jtc Exp $";
#else
double z;
z = __ieee754_atan2(y,x);
- if(_LIB_VERSION == _IEEE_||__isnan(x)||__isnan(y)) return z;
+ if(_LIB_VERSION != _SVID_||__isnan(x)||__isnan(y)) return z;
if(x==0.0&&y==0.0) {
- return __kernel_standard(y,x,3); /* atan2(+-0,+-0) */
- } else
- return z;
+ return __kernel_standard(y,x,3); /* atan2(+-0,+-0) */
+ return z;
#endif
}
weak_alias (__atan2, atan2)
diff --git a/sysdeps/libm-ieee754/w_atan2f.c b/sysdeps/libm-ieee754/w_atan2f.c
index 4d67638572..00b2ce7633 100644
--- a/sysdeps/libm-ieee754/w_atan2f.c
+++ b/sysdeps/libm-ieee754/w_atan2f.c
@@ -8,7 +8,7 @@
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
+ * software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
@@ -17,7 +17,7 @@
static char rcsid[] = "$NetBSD: w_atan2f.c,v 1.3 1995/05/10 20:48:42 jtc Exp $";
#endif
-/*
+/*
* wrapper atan2f(y,x)
*/
@@ -38,11 +38,7 @@ static char rcsid[] = "$NetBSD: w_atan2f.c,v 1.3 1995/05/10 20:48:42 jtc Exp $";
float z;
z = __ieee754_atan2f(y,x);
if(_LIB_VERSION == _IEEE_||__isnanf(x)||__isnanf(y)) return z;
- if(x==(float)0.0&&y==(float)0.0) {
- /* atan2f(+-0,+-0) */
- return (float)__kernel_standard((double)y,(double)x,103);
- } else
- return z;
+ return z;
#endif
}
weak_alias (__atan2f, atan2f)
diff --git a/sysdeps/libm-ieee754/w_atan2l.c b/sysdeps/libm-ieee754/w_atan2l.c
index 9e6e56bbed..437a04c760 100644
--- a/sysdeps/libm-ieee754/w_atan2l.c
+++ b/sysdeps/libm-ieee754/w_atan2l.c
@@ -39,10 +39,7 @@ static char rcsid[] = "$NetBSD: $";
long double z;
z = __ieee754_atan2l(y,x);
if(_LIB_VERSION == _IEEE_||__isnanl(x)||__isnanl(y)) return z;
- if(x==0.0&&y==0.0) {
- return __kernel_standard(y,x,203); /* atan2l(+-0,+-0) */
- } else
- return z;
+ return z;
#endif
}
weak_alias (__atan2l, atan2l)
diff --git a/sysdeps/libm-ieee754/w_pow.c b/sysdeps/libm-ieee754/w_pow.c
index ea19e1f554..1711d71bda 100644
--- a/sysdeps/libm-ieee754/w_pow.c
+++ b/sysdeps/libm-ieee754/w_pow.c
@@ -43,7 +43,10 @@
if(y==0.0)
return __kernel_standard(x,y,20); /* pow(0.0,0.0) */
if(__finite(y)&&y<0.0)
- return __kernel_standard(x,y,23); /* pow(0.0,negative) */
+ if (signbit (x) && signbit (z))
+ return __kernel_standard(x,y,23); /* pow(-0.0,negative) */
+ else
+ return __kernel_standard(x,y,43); /* pow(+0.0,negative) */
return z;
}
if(!__finite(z)) {
diff --git a/sysdeps/libm-ieee754/w_powf.c b/sysdeps/libm-ieee754/w_powf.c
index 3f9d5c8d5f..0b20822be8 100644
--- a/sysdeps/libm-ieee754/w_powf.c
+++ b/sysdeps/libm-ieee754/w_powf.c
@@ -8,7 +8,7 @@
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
+ * software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
@@ -17,7 +17,7 @@
static char rcsid[] = "$NetBSD: w_powf.c,v 1.3 1995/05/10 20:49:41 jtc Exp $";
#endif
-/*
+/*
* wrapper powf(x,y) return x**y
*/
@@ -39,19 +39,22 @@ static char rcsid[] = "$NetBSD: w_powf.c,v 1.3 1995/05/10 20:49:41 jtc Exp $";
z=__ieee754_powf(x,y);
if(_LIB_VERSION == _IEEE_|| __isnanf(y)) return z;
if(__isnanf(x)) {
- if(y==(float)0.0)
+ if(y==(float)0.0)
/* powf(NaN,0.0) */
return (float)__kernel_standard((double)x,(double)y,142);
- else
+ else
return z;
}
- if(x==(float)0.0){
+ if(x==(float)0.0){
if(y==(float)0.0)
/* powf(0.0,0.0) */
return (float)__kernel_standard((double)x,(double)y,120);
if(__finitef(y)&&y<(float)0.0)
+ if (signbit (x) && signbit (z))
/* powf(0.0,negative) */
return (float)__kernel_standard((double)x,(double)y,123);
+ else
+ return (float)__kernel_standard((double)x,(double)y,143);
return z;
}
if(!__finitef(z)) {
@@ -59,11 +62,11 @@ static char rcsid[] = "$NetBSD: w_powf.c,v 1.3 1995/05/10 20:49:41 jtc Exp $";
if(__isnanf(z))
/* powf neg**non-int */
return (float)__kernel_standard((double)x,(double)y,124);
- else
+ else
/* powf overflow */
return (float)__kernel_standard((double)x,(double)y,121);
}
- }
+ }
if(z==(float)0.0&&__finitef(x)&&__finitef(y))
/* powf underflow */
return (float)__kernel_standard((double)x,(double)y,122);
diff --git a/sysdeps/libm-ieee754/w_powl.c b/sysdeps/libm-ieee754/w_powl.c
index 019664e0f1..aea572d905 100644
--- a/sysdeps/libm-ieee754/w_powl.c
+++ b/sysdeps/libm-ieee754/w_powl.c
@@ -45,7 +45,10 @@
if(y==0.0)
return __kernel_standard(x,y,220); /* pow(0.0,0.0) */
if(__finite(y)&&y<0.0)
- return __kernel_standard(x,y,223); /* pow(0.0,negative) */
+ if (signbit (x) && signbit (z))
+ return __kernel_standard(x,y,223); /* pow(-0.0,negative) */
+ else
+ return __kernel_standard(x,y,243); /* pow(+0.0,negative) */
return z;
}
if(!__finitel(z)) {
diff --git a/sysdeps/m68k/huge_val.h b/sysdeps/m68k/huge_val.h
new file mode 100644
index 0000000000..c2139580e8
--- /dev/null
+++ b/sysdeps/m68k/huge_val.h
@@ -0,0 +1,92 @@
+/* `HUGE_VAL' constants for m68k (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _HUGE_VAL_H
+#define _HUGE_VAL_H 1
+
+#include <features.h>
+#include <sys/cdefs.h>
+#include <endian.h>
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
+#endif
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
+#endif
+
+#define __huge_val_t union { unsigned char __c[8]; double __d; }
+#ifdef __GNUC__
+#define HUGE_VAL (__extension__ \
+ ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
+#else /* Not GCC. */
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+#define HUGE_VAL (__huge_val.__d)
+#endif /* GCC. */
+
+
+/* ISO C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
+
+#ifdef __USE_ISOC9X
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
+#endif
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
+#endif
+
+#define __huge_valf_t union { unsigned char __c[4]; float __f; }
+#ifdef __GNUC__
+#define HUGE_VALF (__extension__ \
+ ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
+#else /* Not GCC. */
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+#define HUGE_VALF (__huge_valf.__f)
+#endif /* GCC. */
+
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define __HUGE_VALL_bytes { 0x7f, 0xff, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+#endif
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0 }
+#endif
+
+#define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
+#ifdef __GNUC__
+#define HUGE_VALL (__extension__ \
+ ((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
+#else /* Not GCC. */
+static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
+#define HUGE_VALL (__huge_vall.__ld)
+#endif /* GCC. */
+
+
+/* Expression representing positive infinity. Here it is the same as
+ HUGE_VALF. */
+#define INFINITY HUGE_VALF
+
+#endif /* __USE_ISOC9X. */
+
+
+#endif /* huge_val.h */
diff --git a/sysdeps/mach/hurd/euidaccess.c b/sysdeps/mach/hurd/euidaccess.c
index bbd2d21afe..d206b8644c 100644
--- a/sysdeps/mach/hurd/euidaccess.c
+++ b/sysdeps/mach/hurd/euidaccess.c
@@ -1,5 +1,5 @@
/* Test for access to FILE using effective UID and GID. Hurd version.
-Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+Copyright (C) 1991, 1995, 1997 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
@@ -24,7 +24,7 @@ Cambridge, MA 02139, USA. */
#include <hurd.h>
int
-euidaccess (file, type)
+__euidaccess (file, type)
const char *file;
int type;
{
@@ -56,3 +56,4 @@ euidaccess (file, type)
return 0;
}
+weak_alias (__euidaccess, euidaccess)
diff --git a/sysdeps/posix/isfdtype.c b/sysdeps/posix/isfdtype.c
index 8edcf594d8..ec4568e460 100644
--- a/sysdeps/posix/isfdtype.c
+++ b/sysdeps/posix/isfdtype.c
@@ -1,25 +1,26 @@
-/* isfdtype - Determine whether descriptor has given property.
-Copyright (C) 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Determine whether descriptor has given property.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <sys/stat.h>
#include <sys/socket.h>
+#include <sys/types.h>
int
isfdtype (int fildes, int fdtype)
@@ -33,5 +34,5 @@ isfdtype (int fildes, int fdtype)
__set_errno (save_error);
}
- return result ?: (st.st_mode & S_IFMT) == fdtype;
+ return result ?: (st.st_mode & S_IFMT) == (mode_t) fdtype;
}
diff --git a/sysdeps/sparc/dl-machine.h b/sysdeps/sparc/dl-machine.h
index 5240b0cf81..6f1d7eb02e 100644
--- a/sysdeps/sparc/dl-machine.h
+++ b/sysdeps/sparc/dl-machine.h
@@ -98,8 +98,8 @@ elf_machine_load_address (void)
MAP is the object containing the reloc. */
static inline void
-elf_machine_rela (struct link_map *map,
- const Elf32_Rela *reloc, const Elf32_Sym *sym)
+elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
+ const Elf32_Sym *sym, const struct r_found_version *version)
{
Elf32_Addr *const reloc_addr = (void *) (map->l_addr + reloc->r_offset);
Elf32_Addr loadbase;
@@ -107,31 +107,31 @@ elf_machine_rela (struct link_map *map,
switch (ELF32_R_TYPE (reloc->r_info))
{
case R_SPARC_COPY:
- loadbase = RESOLVE (&sym, DL_LOOKUP_NOEXEC);
+ loadbase = RESOLVE (&sym, version, DL_LOOKUP_NOEXEC);
memcpy (reloc_addr, (void *) (loadbase + sym->st_value), sym->st_size);
break;
case R_SPARC_GLOB_DAT:
case R_SPARC_32:
- loadbase = RESOLVE (&sym, 0);
+ loadbase = RESOLVE (&sym, version, 0);
*reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
+ reloc->r_addend);
break;
case R_SPARC_JMP_SLOT:
- loadbase = RESOLVE (&sym, DL_LOOKUP_NOPLT);
+ loadbase = RESOLVE (&sym, version, DL_LOOKUP_NOPLT);
{
Elf32_Addr value = ((sym ? (loadbase + sym->st_value) : 0)
+ reloc->r_addend);
- reloc_addr[1] = OPCODE_SETHI | (value >> 10);
+ reloc_addr[1] = OPCODE_SETHI_G1 | (value >> 10);
reloc_addr[2] = OPCODE_JMP_G1 | (value & 0x3ff);
}
break;
case R_SPARC_8:
- loadbase = RESOLVE (&sym, 0);
+ loadbase = RESOLVE (&sym, version, 0);
*(char *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
+ reloc->r_addend);
break;
case R_SPARC_16:
- loadbase = RESOLVE (&sym, 0);
+ loadbase = RESOLVE (&sym, version, 0);
*(short *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
+ reloc->r_addend);
break;
@@ -139,19 +139,19 @@ elf_machine_rela (struct link_map *map,
*reloc_addr += map->l_addr + reloc->r_addend;
break;
case R_SPARC_DISP8:
- loadbase = RESOLVE (&sym, 0);
+ loadbase = RESOLVE (&sym, version, 0);
*(char *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
+ reloc->r_addend
- (Elf32_Addr) reloc_addr);
break;
case R_SPARC_DISP16:
- loadbase = (*resolve) (&sym, (Elf32_Addr) reloc_addr, 0);
+ loadbase = RESOLVE (&sym, version, 0);
*(short *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
+ reloc->r_addend
- (Elf32_Addr) reloc_addr);
break;
case R_SPARC_DISP32:
- loadbase = RESOLVE (&sym, 0);
+ loadbase = RESOLVE (&sym, version, 0);
*reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
+ reloc->r_addend
- (Elf32_Addr) reloc_addr);
@@ -160,17 +160,27 @@ elf_machine_rela (struct link_map *map,
{
unsigned int saddr;
- loadbase = RESOLVE (&sym, 0);
+ loadbase = RESOLVE (&sym, version, 0);
saddr = (loadbase ? loadbase : map->l_addr) + reloc->r_addend;
*reloc_addr = (*reloc_addr & ~0x3ff) | (saddr & 0x3ff);
}
break;
+ case R_SPARC_WDISP30:
+ {
+ unsigned int saddr;
+
+ loadbase = RESOLVE (&sym, version, 0);
+ saddr = (loadbase ? loadbase : map->l_addr) + reloc->r_addend;
+ *reloc_addr = ((*reloc_addr & 0xc0000000)
+ | ((saddr - (unsigned int) reloc_addr)>>2));
+ }
+ break;
case R_SPARC_HI22:
{
unsigned int saddr;
- loadbase = RESOLVE (&sym, 0);
+ loadbase = RESOLVE (&sym, version, 0);
saddr = (loadbase ? loadbase : map->l_addr) + reloc->r_addend;
*reloc_addr = (*reloc_addr & 0xffc00000)|(saddr >> 10);
@@ -199,9 +209,7 @@ elf_machine_lazy_rel (struct link_map *map, const Elf32_Rela *reloc)
}
}
-#define ELF_ADJUST_ARG(arg) __asm__("\tadd %%fp,64,%0\n" : "=r" (arg))
-
-#endif /* RESOLV */
+#endif /* RESOLVE */
/* Nonzero iff TYPE describes relocation of a PLT entry, so
PLT entries should not be allowed to define the value. */
@@ -285,8 +293,49 @@ _dl_runtime_resolve:
.globl _start\n\
.type _start,@function\n\
_start:\n\
+ /* Pass pointer to argument block to _dl_start. */\n\
+ add %sp,64,%o0\n\
call _dl_start\n\
- nop\n\
- call %o0\n\
+ nop\n\
+ \n\
+ mov %o0,%l0\n\
+ \n\
+2:\n\
+ call 1f\n\
+ nop\n\
+1:\n\
+ sethi %hi(_GLOBAL_OFFSET_TABLE_-(2b-.)),%l2\n\
+ sethi %hi(_dl_default_scope),%l3\n\
+ or %l2,%lo(_GLOBAL_OFFSET_TABLE_-(2b-.)),%l2\n\
+ or %l3,%lo(_dl_default_scope),%l3\n\
+ add %o7,%l2,%l1\n\
+ # %l1 has the GOT. %l3 has _dl_default_scope offset\n\
+ # Now, load _dl_default_scope [2]\n\
+ add %l3,4,%l3\n\
+ ld [%l1+%l3],%l4\n\
+ # %l4 has _dl_default_scope [2]\n\
+ # call _dl_init_next until it returns 0, pass _dl_default_scope [2]\n\
+3:\n\
+ call _dl_init_next\n\
+ mov %l4,%o0\n\
+ cmp %o0,%g0\n\
+ bz,a 4f\n\
+ nop\n\
+ call %o0\n\
+ nop\n\
+ b,a 3b\n\
+4:\n\
+ # Clear the _dl_starting_up variable and pass _dl_fini in %g1 as per ELF ABI.\n\
+ sethi %hi(_dl_starting_up),%l4\n\
+ sethi %hi(_dl_fini),%l3\n\
+ or %l4,%lo(_dl_starting_up),%l4\n\
+ or %l3,%lo(_dl_fini),%l3\n\
+ # clear _dl_starting_up\n\
+ ld [%l1+%l4],%l5\n\
+ st %g0,[%l5]\n\
+ # load out fini function for atexit in %g1\n\
+ ld [%l3+%l1],%g1\n\
+ # jump to the user program entry point.\n\
+ jmpl %l0,%g0\n\
nop\n\
");
diff --git a/sysdeps/sparc/elf/Makefile b/sysdeps/sparc/elf/Makefile
new file mode 100644
index 0000000000..319fbdef10
--- /dev/null
+++ b/sysdeps/sparc/elf/Makefile
@@ -0,0 +1,4 @@
+# Sparc/ELF specific definitions.
+
+# The assembler on SPARC needs the -fPIC flag even when it's assembler code.
+ASFLAGS-.so = -fPIC
diff --git a/sysdeps/sparc/elf/start.c b/sysdeps/sparc/elf/start.c
new file mode 100644
index 0000000000..f9c97f89bc
--- /dev/null
+++ b/sysdeps/sparc/elf/start.c
@@ -0,0 +1,68 @@
+/* Copyright (C) 1991, 1992, 1993, 1994, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+extern char **__environ;
+
+extern void __libc_init_first __P ((int argc, char **argv, char **envp));
+extern int main __P ((int argc, char **argv, char **envp));
+
+register long int sp asm("%sp"), fp asm("%fp");
+
+void
+_start (void)
+{
+ /* It is important that these be declared `register'.
+ Otherwise, when compiled without optimization, they are put on the
+ stack, which loses completely after we zero the FP. */
+ register int argc;
+ register char **argv, **envp;
+ register long int g1 asm ("%g1");
+ unsigned long int copy_g1 = g1;
+
+ /* Unwind the frame built when we entered the function. */
+ asm("restore");
+ if (copy_g1)
+ atexit (copy_g1);
+
+ /* And clear the frame pointer. */
+ fp = 0;
+
+ /* The argument info starts after one register
+ window (64 bytes) past the SP. */
+ argc = ((int *) sp)[16];
+ argv = (char **) &((int *) sp)[17];
+ envp = &argv[argc + 1];
+ __environ = envp;
+
+ /* Allocate 24 bytes of stack space for the register save area. */
+ sp -= 24;
+ __libc_init_first (argc, argv, envp);
+#ifdef ELF_INIT_FINI
+ {
+ extern void _fini (void);
+ atexit (_fini);
+ _init ();
+ }
+#endif
+ exit (main (argc, argv, envp));
+}
diff --git a/sysdeps/stub/fcntlbits.h b/sysdeps/stub/fcntlbits.h
index 236520195a..48237f53c6 100644
--- a/sysdeps/stub/fcntlbits.h
+++ b/sysdeps/stub/fcntlbits.h
@@ -1,21 +1,21 @@
/* O_*, F_*, FD_* bit values for stub configuration.
-Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
/* These values should be changed as appropriate for your system. */
diff --git a/sysdeps/unix/bsd/bsd4.4/fcntlbits.h b/sysdeps/unix/bsd/bsd4.4/fcntlbits.h
index bb61392569..3ab2bf027d 100644
--- a/sysdeps/unix/bsd/bsd4.4/fcntlbits.h
+++ b/sysdeps/unix/bsd/bsd4.4/fcntlbits.h
@@ -1,21 +1,21 @@
/* O_*, F_*, FD_* bit values for 4.4 BSD.
-Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#ifndef _FCNTLBITS_H
diff --git a/sysdeps/unix/bsd/fcntlbits.h b/sysdeps/unix/bsd/fcntlbits.h
index dd8b2a9efa..1e87a379e4 100644
--- a/sysdeps/unix/bsd/fcntlbits.h
+++ b/sysdeps/unix/bsd/fcntlbits.h
@@ -1,21 +1,21 @@
/* O_*, F_*, FD_* bit values for 4.3 BSD.
-Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#ifndef _FCNTLBITS_H
diff --git a/sysdeps/unix/bsd/sun/sunos4/fcntlbits.h b/sysdeps/unix/bsd/sun/sunos4/fcntlbits.h
index 210072222c..a9f66c47a3 100644
--- a/sysdeps/unix/bsd/sun/sunos4/fcntlbits.h
+++ b/sysdeps/unix/bsd/sun/sunos4/fcntlbits.h
@@ -1,21 +1,21 @@
/* O_*, F_*, FD_* bit values for SunOS 4.
-Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+ Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#ifndef _FCNTLBITS_H
@@ -33,7 +33,7 @@ Cambridge, MA 02139, USA. */
#define O_EXCL 0x0800 /* Fail if file already exists. */
#define O_TRUNC 0x0400 /* Truncate file to zero length. */
#define O_NOCTTY 0x8000 /* Don't assign a controlling terminal. */
-#if defined (__USE_BSD) || defined (__USE_SVID)
+#if defined __USE_BSD || defined __USE_SVID
#define O_ASYNC 0x0040 /* Send SIGIO to owner when data is ready. */
#define O_FSYNC 0x2000 /* Synchronous writes. */
#define O_SYNC O_FSYNC
diff --git a/sysdeps/unix/bsd/ultrix4/fcntlbits.h b/sysdeps/unix/bsd/ultrix4/fcntlbits.h
index bf8e7b2a35..ba736e428e 100644
--- a/sysdeps/unix/bsd/ultrix4/fcntlbits.h
+++ b/sysdeps/unix/bsd/ultrix4/fcntlbits.h
@@ -1,21 +1,21 @@
/* O_*, F_*, FD_* bit values for Ultrix 4.
-Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#ifndef _FCNTLBITS_H
diff --git a/sysdeps/unix/common/fcntlbits.h b/sysdeps/unix/common/fcntlbits.h
index 0f8443313f..e416e0df13 100644
--- a/sysdeps/unix/common/fcntlbits.h
+++ b/sysdeps/unix/common/fcntlbits.h
@@ -1,21 +1,21 @@
-/* O_*, F_*, FD_* bit values for SVR4 and Irix 4.
-Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+/* O_*, F_*, FD_* bit values for general Unix system.
+ Copyright (C) 1991, 1992, 1995, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#ifndef _FCNTLBITS_H
diff --git a/sysdeps/unix/readdir_r.c b/sysdeps/unix/readdir_r.c
index fca3eeeb5f..fa26db6381 100644
--- a/sysdeps/unix/readdir_r.c
+++ b/sysdeps/unix/readdir_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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
@@ -33,13 +33,12 @@ int
__readdir_r (DIR *dirp, struct dirent *entry, struct dirent **result)
{
struct dirent *dp;
+ size_t reclen;
__libc_lock_lock (dirp->lock);
do
{
- size_t reclen;
-
if (dirp->offset >= dirp->size)
{
/* We've emptied out our buffer. Refill it. */
@@ -60,6 +59,7 @@ __readdir_r (DIR *dirp, struct dirent *entry, struct dirent **result)
if (bytes <= 0)
{
dp = NULL;
+ reclen = 0;
break;
}
dirp->size = (size_t) bytes;
@@ -97,7 +97,7 @@ __readdir_r (DIR *dirp, struct dirent *entry, struct dirent **result)
if (dp != NULL)
{
- *entry = *dp;
+ memcpy (entry, dp, reclen);
*result = entry;
}
diff --git a/sysdeps/unix/sysv/fcntlbits.h b/sysdeps/unix/sysv/fcntlbits.h
index d04901406a..7f38422707 100644
--- a/sysdeps/unix/sysv/fcntlbits.h
+++ b/sysdeps/unix/sysv/fcntlbits.h
@@ -32,8 +32,9 @@
#define O_CREAT 00400 /* Create file if it doesn't exist. */
#define O_EXCL 02000 /* Fail if file already exists. */
#define O_TRUNC 01000 /* Truncate file to zero length. */
-#if defined (__USE_BSD) || defined (__USE_SVID)
+#if defined __USE_BSD || defined __USE_SVID
#define O_SYNC 00020 /* Synchronous writes. */
+#define O_FSYNC O_SYNC
#endif
/* File status flags for `open' and `fcntl'. */
@@ -83,4 +84,13 @@ struct flock
#define F_UNLCK 3 /* Remove lock. */
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_BSD
+#define FAPPEND O_APPEND
+#define FFSYNC O_FSYNC
+#define FNONBLOCK O_NONBLOCK
+#define FNDELAY O_NDELAY
+#endif /* Use BSD. */
+
#endif /* fcntlbits.h */
diff --git a/sysdeps/unix/sysv/irix4/fcntlbits.h b/sysdeps/unix/sysv/irix4/fcntlbits.h
index a8bb776cf4..318e483279 100644
--- a/sysdeps/unix/sysv/irix4/fcntlbits.h
+++ b/sysdeps/unix/sysv/irix4/fcntlbits.h
@@ -1,21 +1,21 @@
/* O_*, F_*, FD_* bit values for SGI Irix 4.
-Copyright (C) 1994 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+ Copyright (C) 1994, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#ifndef _FCNTLBITS_H
@@ -34,6 +34,7 @@ Cambridge, MA 02139, USA. */
#define O_TRUNC 01000 /* Truncate file to zero length. */
#ifdef __USE_MISC
#define O_SYNC 00020 /* Synchronous writes. */
+#define O_FSYNC O_SYNC
#define O_ASYNC 00100 /* Send SIGIO to owner when data is ready. */
#endif
@@ -95,4 +96,15 @@ struct flock
#define F_UNLCK 3 /* Remove lock. */
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_BSD
+#define FAPPEND O_APPEND
+#define FFSYNC O_FSYNC
+#define FASYNC O_ASYNC
+#define FNONBLOCK O_NONBLOCK
+#define FNDELAY O_NDELAY
+#endif /* Use BSD. */
+
+
#endif /* fcntlbits.h */
diff --git a/sysdeps/unix/sysv/linux/Dist b/sysdeps/unix/sysv/linux/Dist
index 9c41e50b4c..7b94300c6a 100644
--- a/sysdeps/unix/sysv/linux/Dist
+++ b/sysdeps/unix/sysv/linux/Dist
@@ -1,6 +1,7 @@
cmsg_nxthdr.c
init-first.h
kernel_sigaction.h
+kernel_stat.h
llseek.c
siglist.h
sysctl.c
diff --git a/sysdeps/unix/sysv/linux/alpha/Dist b/sysdeps/unix/sysv/linux/alpha/Dist
index 344ffa55fb..80fca49a9b 100644
--- a/sysdeps/unix/sysv/linux/alpha/Dist
+++ b/sysdeps/unix/sysv/linux/alpha/Dist
@@ -4,6 +4,7 @@ ioperm.c
init-first.h
clone.S
kernel_sigaction.h
+kernel_stat.h
sys/io.h
sys/acct.h
sys/kernel_termios.h
diff --git a/sysdeps/unix/sysv/linux/alpha/fcntlbits.h b/sysdeps/unix/sysv/linux/alpha/fcntlbits.h
index e8697d9898..faf198393f 100644
--- a/sysdeps/unix/sysv/linux/alpha/fcntlbits.h
+++ b/sysdeps/unix/sysv/linux/alpha/fcntlbits.h
@@ -23,6 +23,12 @@
#include <sys/types.h>
+/* In GNU, read and write are bits (unlike BSD). */
+#ifdef __USE_GNU
+#define O_READ O_RDONLY /* Open for reading. */
+#define O_WRITE O_WRONLY /* Open for writing. */
+#define O_NORW 0 /* Open without R/W access. */
+#endif
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
located on an ext2 file system */
#define O_ACCMODE 0003
@@ -38,7 +44,8 @@
#define O_APPEND 00010
#define O_NDELAY O_NONBLOCK
#define O_SYNC 040000
-#define FASYNC 020000 /* fcntl, for BSD compatibility */
+#define O_FSYNC O_SYNC
+#define O_ASYNC 020000 /* fcntl, for BSD compatibility */
#define F_DUPFD 0 /* dup */
#define F_GETFD 1 /* get f_flags */
@@ -86,6 +93,7 @@ struct flock
#ifdef __USE_BSD
#define FAPPEND O_APPEND
#define FFSYNC O_FSYNC
+#define FASYNC O_ASYNC
#define FNONBLOCK O_NONBLOCK
#define FNDELAY O_NDELAY
#endif /* Use BSD. */
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel_stat.h b/sysdeps/unix/sysv/linux/alpha/kernel_stat.h
new file mode 100644
index 0000000000..7109677269
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/kernel_stat.h
@@ -0,0 +1,19 @@
+/* Definition of `struct stat' used in the kernel.. */
+struct kernel_stat
+ {
+ unsigned int st_dev;
+ unsigned int st_ino;
+ unsigned int st_mode;
+ unsigned int st_nlink;
+ unsigned int st_uid;
+ unsigned int st_gid;
+ unsigned int st_rdev;
+ long int st_size;
+ unsigned long int st_atime;
+ unsigned long int st_mtime;
+ unsigned long int st_ctime;
+ unsigned int st_blksize;
+ int st_blocks;
+ unsigned int st_flags;
+ unsigned int st_gen;
+ };
diff --git a/sysdeps/unix/sysv/linux/alpha/statbuf.h b/sysdeps/unix/sysv/linux/alpha/statbuf.h
index 92c9df7404..207fa0ca1c 100644
--- a/sysdeps/unix/sysv/linux/alpha/statbuf.h
+++ b/sysdeps/unix/sysv/linux/alpha/statbuf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997 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
@@ -19,30 +19,30 @@
#ifndef _STATBUF_H
#define _STATBUF_H 1
-/* The Alpha has no additional syscall versions. */
-
/* Versions of the `struct stat' data structure. */
-#define _STAT_VER 0
+#define _STAT_VER_LINUX_OLD 0
+#define _STAT_VER_LINUX 1
+#define _STAT_VER _STAT_VER_LINUX
/* Versions of the `xmknod' interface. */
#define _MKNOD_VER_LINUX 0
struct stat
{
- unsigned int st_dev; /* Device. */
- unsigned int st_ino; /* File serial number. */
- unsigned int st_mode; /* File mode. */
- unsigned int st_nlink; /* Link count. */
- unsigned int st_uid; /* User ID of the file's owner. */
- unsigned int st_gid; /* Group ID of the file's group.*/
- unsigned int st_rdev; /* Device number, if device. */
- long int st_size; /* Size of file, in bytes. */
- unsigned long int st_atime; /* Time of last access. */
- unsigned long int st_mtime; /* Time of last modification. */
- unsigned long int st_ctime; /* Time of last status change. */
- unsigned int st_blksize; /* Optimal block size for I/O. */
-#define _STATBUF_ST_BLKSIZE /* Tell code we have this member. */
- int st_blocks; /* Nr. of 512-byte blocks allocated. */
+ __dev_t st_dev; /* Device. */
+ __ino_t st_ino; /* File serial number. */
+ __mode_t st_mode; /* File mode. */
+ __nlink_t st_nlink; /* Link count. */
+ __uid_t st_uid; /* User ID of the file's owner. */
+ __gid_t st_gid; /* Group ID of the file's group.*/
+ __dev_t st_rdev; /* Device number, if device. */
+ __off_t st_size; /* Size of file, in bytes. */
+ __time_t st_atime; /* Time of last access. */
+ __time_t st_mtime; /* Time of last modification. */
+ __time_t st_ctime; /* Time of last status change. */
+ unsigned int st_blksize; /* Optimal block size for I/O. */
+#define _STATBUF_ST_BLKSIZE /* Tell code we have this member. */
+ int st_blocks; /* Nr. of 512-byte blocks allocated. */
unsigned int st_flags;
unsigned int st_gen;
};
diff --git a/sysdeps/unix/sysv/linux/fcntlbits.h b/sysdeps/unix/sysv/linux/fcntlbits.h
index d7e889fc5e..fdc67ce4eb 100644
--- a/sysdeps/unix/sysv/linux/fcntlbits.h
+++ b/sysdeps/unix/sysv/linux/fcntlbits.h
@@ -23,6 +23,12 @@
#include <sys/types.h>
+/* In GNU, read and write are bits (unlike BSD). */
+#ifdef __USE_GNU
+#define O_READ O_RDONLY /* Open for reading. */
+#define O_WRITE O_WRONLY /* Open for writing. */
+#define O_NORW 0 /* Open without R/W access. */
+#endif
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
located on an ext2 file system */
#define O_ACCMODE 0003
@@ -37,7 +43,8 @@
#define O_NONBLOCK 04000
#define O_NDELAY O_NONBLOCK
#define O_SYNC 010000
-#define FASYNC 020000 /* fcntl, for BSD compatibility */
+#define O_FSYNC O_SYNC
+#define O_ASYNC 020000
#define F_DUPFD 0 /* dup */
#define F_GETFD 1 /* get f_flags */
@@ -85,6 +92,7 @@ struct flock
#ifdef __USE_BSD
#define FAPPEND O_APPEND
#define FFSYNC O_FSYNC
+#define FASYNC O_ASYNC
#define FNONBLOCK O_NONBLOCK
#define FNDELAY O_NDELAY
#endif /* Use BSD. */
diff --git a/sysdeps/unix/sysv/linux/fxstat.c b/sysdeps/unix/sysv/linux/fxstat.c
new file mode 100644
index 0000000000..103218711b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/fxstat.c
@@ -0,0 +1,92 @@
+/* fxstat using old-style Unix fstat system call.
+ Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+#include "kernel_stat.h"
+
+extern int __syscall_fstat (int, struct kernel_stat *);
+
+/* Get information about the file descriptor FD in BUF. */
+int
+__fxstat (int vers, int fd, struct stat *buf)
+{
+ struct kernel_stat kbuf;
+ int result;
+
+ switch (vers)
+ {
+ case _STAT_VER_LINUX_OLD:
+ /* Nothing to do. The struct is in the form the kernel expects
+ it to be. */
+ result = __syscall_fstat (fd, (struct kernel_stat *) buf);
+ break;
+
+ case _STAT_VER_LINUX:
+ /* Do the system call. */
+ result = __syscall_fstat (fd, &kbuf);
+
+ /* Convert to current kernel version of `struct stat'. */
+ buf->st_dev = kbuf.st_dev;
+#ifdef _HAVE___PAD1
+ buf->__pad1 = 0;
+#endif
+ buf->st_ino = kbuf.st_ino;
+ buf->st_mode = kbuf.st_mode;
+ buf->st_nlink = kbuf.st_nlink;
+ buf->st_uid = kbuf.st_uid;
+ buf->st_gid = kbuf.st_gid;
+ buf->st_rdev = kbuf.st_rdev;
+#ifdef _HAVE___PAD2
+ buf->__pad2 = 0;
+#endif
+ buf->st_size = kbuf.st_size;
+ buf->st_blksize = kbuf.st_blksize;
+ buf->st_blocks = kbuf.st_blocks;
+ buf->st_atime = kbuf.st_atime;
+#ifdef _HAVE___UNUSED1
+ buf->__unused1 = 0;
+#endif
+ buf->st_mtime = kbuf.st_mtime;
+#ifdef _HAVE___UNUSED2
+ buf->__unused2 = 0;
+#endif
+ buf->st_ctime = kbuf.st_ctime;
+#ifdef _HAVE___UNUSED3
+ buf->__unused3 = 0;
+#endif
+#ifdef _HAVE___UNUSED4
+ buf->__unused4 = 0;
+#endif
+#ifdef _HAVE___UNUSED5
+ buf->__unused5 = 0;
+#endif
+ break;
+
+ default:
+ __set_errno (EINVAL);
+ result = -1;
+ break;
+ }
+
+ return result;
+}
+weak_alias (__fxstat, _fxstat)
diff --git a/sysdeps/unix/sysv/linux/init-first.h b/sysdeps/unix/sysv/linux/init-first.h
index dd4f85af9d..a9df8da52d 100644
--- a/sysdeps/unix/sysv/linux/init-first.h
+++ b/sysdeps/unix/sysv/linux/init-first.h
@@ -1,3 +1,22 @@
+/* Prepare arguments for library initialization function.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
/* The job of this fragment it to find argc and friends for INIT.
This is done in one of two ways: either in the stack context
of program start, or having dlopen pass them in. */
@@ -7,7 +26,7 @@ void NAME (void *arg) \
{ \
int argc; \
char **argv, **envp; \
- /* The next variable is only here to work around a bug in gcc <= 2.7.2.1. \
+ /* The next variable is only here to work around a bug in gcc <= 2.7.2.2. \
If the address would be taken inside the expression the optimizer \
would try to be too smart and throws it away. Grrr. */ \
int *dummy_addr = &_dl_starting_up; \
diff --git a/sysdeps/unix/sysv/linux/kernel_stat.h b/sysdeps/unix/sysv/linux/kernel_stat.h
new file mode 100644
index 0000000000..bd7ddcc9bc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/kernel_stat.h
@@ -0,0 +1,31 @@
+/* Definition of `struct stat' used in the kernel.. */
+struct kernel_stat
+ {
+ unsigned short int st_dev;
+ unsigned short int __pad1;
+#define _HAVE___PAD1
+ unsigned long int st_ino;
+ unsigned short int st_mode;
+ unsigned short int st_nlink;
+ unsigned short int st_uid;
+ unsigned short int st_gid;
+ unsigned short int st_rdev;
+ unsigned short int __pad2;
+#define _HAVE___PAD2
+ unsigned long int st_size;
+ unsigned long int st_blksize;
+ unsigned long int st_blocks;
+ unsigned long int st_atime;
+ unsigned long int __unused1;
+#define _HAVE___UNUSED1
+ unsigned long int st_mtime;
+ unsigned long int __unused2;
+#define _HAVE___UNUSED2
+ unsigned long int st_ctime;
+ unsigned long int __unused3;
+#define _HAVE___UNUSED3
+ unsigned long int __unused4;
+#define _HAVE___UNUSED4
+ unsigned long int __unused5;
+#define _HAVE___UNUSED5
+ };
diff --git a/sysdeps/unix/sysv/linux/lxstat.c b/sysdeps/unix/sysv/linux/lxstat.c
new file mode 100644
index 0000000000..713490cf66
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/lxstat.c
@@ -0,0 +1,92 @@
+/* lxstat using old-style Unix fstat system call.
+ Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+#include "kernel_stat.h"
+
+extern int __syscall_lstat (const char *, struct kernel_stat *);
+
+/* Get information about the file NAME in BUF. */
+int
+__lxstat (int vers, const char *name, struct stat *buf)
+{
+ struct kernel_stat kbuf;
+ int result;
+
+ switch (vers)
+ {
+ case _STAT_VER_LINUX_OLD:
+ /* Nothing to do. The struct is in the form the kernel expects
+ it to be. */
+ result = __syscall_lstat (name, (struct kernel_stat *) buf);
+ break;
+
+ case _STAT_VER_LINUX:
+ /* Do the system call. */
+ result = __syscall_lstat (name, &kbuf);
+
+ /* Convert to current kernel version of `struct stat'. */
+ buf->st_dev = kbuf.st_dev;
+#ifdef _HAVE___PAD1
+ buf->__pad1 = 0;
+#endif
+ buf->st_ino = kbuf.st_ino;
+ buf->st_mode = kbuf.st_mode;
+ buf->st_nlink = kbuf.st_nlink;
+ buf->st_uid = kbuf.st_uid;
+ buf->st_gid = kbuf.st_gid;
+ buf->st_rdev = kbuf.st_rdev;
+#ifdef _HAVE___PAD2
+ buf->__pad2 = 0;
+#endif
+ buf->st_size = kbuf.st_size;
+ buf->st_blksize = kbuf.st_blksize;
+ buf->st_blocks = kbuf.st_blocks;
+ buf->st_atime = kbuf.st_atime;
+#ifdef _HAVE___UNUSED1
+ buf->__unused1 = 0;
+#endif
+ buf->st_mtime = kbuf.st_mtime;
+#ifdef _HAVE___UNUSED2
+ buf->__unused2 = 0;
+#endif
+ buf->st_ctime = kbuf.st_ctime;
+#ifdef _HAVE___UNUSED3
+ buf->__unused3 = 0;
+#endif
+#ifdef _HAVE___UNUSED4
+ buf->__unused4 = 0;
+#endif
+#ifdef _HAVE___UNUSED5
+ buf->__unused5 = 0;
+#endif
+ break;
+
+ default:
+ __set_errno (EINVAL);
+ result = -1;
+ break;
+ }
+
+ return result;
+}
+weak_alias (__lxstat, _lxstat)
diff --git a/sysdeps/unix/sysv/linux/net/if_ppp.h b/sysdeps/unix/sysv/linux/net/if_ppp.h
index 27652546ae..567dccebe3 100644
--- a/sysdeps/unix/sysv/linux/net/if_ppp.h
+++ b/sysdeps/unix/sysv/linux/net/if_ppp.h
@@ -1 +1,157 @@
-#include <linux/if_ppp.h>
+/* From: if_ppp.h,v 1.3 1995/06/12 11:36:50 paulus Exp */
+
+/*
+ * if_ppp.h - Point-to-Point Protocol definitions.
+ *
+ * Copyright (c) 1989 Carnegie Mellon University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by Carnegie Mellon University. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+
+/*
+ * ==FILEVERSION 960926==
+ *
+ * NOTE TO MAINTAINERS:
+ * If you modify this file at all, please set the above date.
+ * if_ppp.h is shipped with a PPP distribution as well as with the kernel;
+ * if everyone increases the FILEVERSION number above, then scripts
+ * can do the right thing when deciding whether to install a new if_ppp.h
+ * file. Don't change the format of that line otherwise, so the
+ * installation script can recognize it.
+ */
+
+
+#ifndef __NET_IF_PPP_H
+#define __NET_IF_PPP_H 1
+
+#include <sys/types.h>
+#include <sys/cdefs.h>
+
+#include <net/if.h>
+#include <sys/ioctl.h>
+#include <net/ppp_defs.h>
+
+__BEGIN_DECLS
+
+/*
+ * Packet sizes
+ */
+
+#define PPP_MTU 1500 /* Default MTU (size of Info field) */
+#define PPP_MAXMRU 65000 /* Largest MRU we allow */
+#define PPP_VERSION "2.3.0"
+#define PPP_MAGIC 0x5002 /* Magic value for the ppp structure */
+#define PROTO_IPX 0x002b /* protocol numbers */
+#define PROTO_DNA_RT 0x0027 /* DNA Routing */
+
+
+/*
+ * Bit definitions for flags.
+ */
+
+#define SC_COMP_PROT 0x00000001 /* protocol compression (output) */
+#define SC_COMP_AC 0x00000002 /* header compression (output) */
+#define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */
+#define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */
+#define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */
+#define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */
+#define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */
+#define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */
+#define SC_ENABLE_IP 0x00000100 /* IP packets may be exchanged */
+#define SC_COMP_RUN 0x00001000 /* compressor has been inited */
+#define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */
+#define SC_DEBUG 0x00010000 /* enable debug messages */
+#define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */
+#define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */
+#define SC_LOG_RAWIN 0x00080000 /* log all chars received */
+#define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */
+#define SC_MASK 0x0fE0ffff /* bits that user can change */
+
+/* state bits */
+#define SC_ESCAPED 0x80000000 /* saw a PPP_ESCAPE */
+#define SC_FLUSH 0x40000000 /* flush input until next PPP_FLAG */
+#define SC_VJ_RESET 0x20000000 /* Need to reset the VJ decompressor */
+#define SC_XMIT_BUSY 0x10000000 /* ppp_write_wakeup is active */
+#define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */
+#define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */
+#define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */
+#define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */
+#define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */
+#define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */
+
+/*
+ * Ioctl definitions.
+ */
+
+struct npioctl {
+ int protocol; /* PPP protocol, e.g. PPP_IP */
+ enum NPmode mode;
+};
+
+/* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */
+struct ppp_option_data {
+ u_int8_t *ptr;
+ u_int32_t length;
+ int transmit;
+};
+
+struct ifpppstatsreq {
+ struct ifreq b;
+ struct ppp_stats stats; /* statistic information */
+};
+
+struct ifpppcstatsreq {
+ struct ifreq b;
+ struct ppp_comp_stats stats;
+};
+
+#define ifr__name b.ifr_ifrn.ifrn_name
+#define stats_ptr b.ifr_ifru.ifru_data
+
+/*
+ * Ioctl definitions.
+ */
+
+#define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */
+#define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */
+#define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */
+#define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */
+#define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */
+#define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */
+#define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */
+#define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */
+#define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */
+#define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */
+#define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */
+#define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */
+#define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */
+#define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data)
+#define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */
+#define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */
+#define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */
+#define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */
+#define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */
+
+#define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0)
+#define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */
+#define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2)
+
+#if !defined(ifr_mtu)
+#define ifr_mtu ifr_ifru.ifru_metric
+#endif
+
+__END_DECLS
+
+#endif /* net/if_ppp.h */
diff --git a/sysdeps/unix/sysv/linux/net/ppp_defs.h b/sysdeps/unix/sysv/linux/net/ppp_defs.h
index dfd40e1825..5d613e0d0f 100644
--- a/sysdeps/unix/sysv/linux/net/ppp_defs.h
+++ b/sysdeps/unix/sysv/linux/net/ppp_defs.h
@@ -1,8 +1,7 @@
#ifndef _NET_PPP_DEFS_H
#define _NET_PPP_DEFS_H 1
-#include <sys/types.h>
-typedef u_int32_t __u32;
+#include <asm/types.h>
#include <linux/ppp_defs.h>
#endif /* net/ppp_defs.h */
diff --git a/sysdeps/unix/sysv/linux/netinet/ip.h b/sysdeps/unix/sysv/linux/netinet/ip.h
index c779db4e87..89c2b1d296 100644
--- a/sysdeps/unix/sysv/linux/netinet/ip.h
+++ b/sysdeps/unix/sysv/linux/netinet/ip.h
@@ -26,62 +26,65 @@
__BEGIN_DECLS
-struct timestamp {
- u_int8_t len;
- u_int8_t ptr;
+struct timestamp
+ {
+ u_int8_t len;
+ u_int8_t ptr;
#if __BYTE_ORDER == __LITTLE_ENDIAN
- u_int8_t flags:4,
- overflow:4;
+ u_int8_t flags:4;
+ u_int8_t overflow:4;
#elif __BYTE_ORDER == __BIG_ENDIAN
- u_int8_t overflow:4,
- flags:4;
+ u_int8_t overflow:4;
+ u_int8_t flags:4;
#else
#error "Please fix <bytesex.h>"
-#endif
- u_int32_t data[9];
-};
-
-struct ip_options {
- u_int32_t faddr; /* Saved first hop address */
- u_int8_t optlen;
- u_int8_t srr;
- u_int8_t rr;
- u_int8_t ts;
- u_int8_t is_setbyuser:1, /* Set by setsockopt? */
- is_data:1, /* Options in __data, rather than skb */
- is_strictroute:1, /* Strict source route */
- srr_is_hit:1, /* Packet destination addr was our one */
- is_changed:1, /* IP checksum more not valid */
- rr_needaddr:1, /* Need to record addr of outgoing dev */
- ts_needtime:1, /* Need to record timestamp */
- ts_needaddr:1; /* Need to record addr of outgoing dev */
- u_int8_t router_alert;
- u_int8_t __pad1;
- u_int8_t __pad2;
- u_int8_t __data[0];
-};
-
-struct iphdr {
+#endif
+ u_int32_t data[9];
+ };
+
+struct ip_options
+ {
+ u_int32_t faddr; /* Saved first hop address */
+ u_int8_t optlen;
+ u_int8_t srr;
+ u_int8_t rr;
+ u_int8_t ts;
+ u_int8_t is_setbyuser:1; /* Set by setsockopt? */
+ u_int8_t is_data:1; /* Options in __data, rather than skb */
+ u_int8_t is_strictroute:1; /* Strict source route */
+ u_int8_t srr_is_hit:1; /* Packet destination addr was our one */
+ u_int8_t is_changed:1; /* IP checksum more not valid */
+ u_int8_t rr_needaddr:1; /* Need to record addr of outgoing dev */
+ u_int8_t ts_needtime:1; /* Need to record timestamp */
+ u_int8_t ts_needaddr:1; /* Need to record addr of outgoing dev */
+ u_int8_t router_alert;
+ u_int8_t __pad1;
+ u_int8_t __pad2;
+ u_int8_t __data[0];
+ };
+
+struct iphdr
+ {
#if __BYTE_ORDER == __LITTLE_ENDIAN
- u_int8_t ihl:4,
- version:4;
+ u_int8_t ihl:4;
+ u_int8_t version:4;
#elif __BYTE_ORDER == __BIG_ENDIAN
- u_int8_t version:4,
- ihl:4;
+ u_int8_t version:4;
+ u_int8_t ihl:4;
#else
#error "Please fix <bytesex.h>"
#endif
- u_int8_t tos;
- u_int16_t tot_len;
- u_int16_t id;
- u_int16_t frag_off;
- u_int8_t ttl;
- u_int8_t protocol;
- u_int16_t check;
- u_int32_t saddr;
- u_int32_t daddr;
- /*The options start here. */
-};
+ u_int8_t tos;
+ u_int16_t tot_len;
+ u_int16_t id;
+ u_int16_t frag_off;
+ u_int8_t ttl;
+ u_int8_t protocol;
+ u_int16_t check;
+ u_int32_t saddr;
+ u_int32_t daddr;
+ /*The options start here. */
+ };
#ifdef __USE_BSD
/*
@@ -127,46 +130,48 @@ struct iphdr {
/*
* Structure of an internet header, naked of options.
*/
-struct ip {
+struct ip
+ {
#if __BYTE_ORDER == __LITTLE_ENDIAN
- u_int8_t ip_hl:4, /* header length */
- ip_v:4; /* version */
+ u_int8_t ip_hl:4; /* header length */
+ u_int8_t ip_v:4; /* version */
#endif
#if __BYTE_ORDER == __BIG_ENDIAN
- u_int8_t ip_v:4, /* version */
- ip_hl:4; /* header length */
+ u_int8_t ip_v:4; /* version */
+ u_int8_t ip_hl:4; /* header length */
#endif
- u_int8_t ip_tos; /* type of service */
- u_short ip_len; /* total length */
- u_short ip_id; /* identification */
- u_short ip_off; /* fragment offset field */
+ u_int8_t ip_tos; /* type of service */
+ u_short ip_len; /* total length */
+ u_short ip_id; /* identification */
+ u_short ip_off; /* fragment offset field */
#define IP_RF 0x8000 /* reserved fragment flag */
#define IP_DF 0x4000 /* dont fragment flag */
#define IP_MF 0x2000 /* more fragments flag */
#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
- u_int8_t ip_ttl; /* time to live */
- u_int8_t ip_p; /* protocol */
- u_short ip_sum; /* checksum */
- struct in_addr ip_src, ip_dst; /* source and dest address */
-};
+ u_int8_t ip_ttl; /* time to live */
+ u_int8_t ip_p; /* protocol */
+ u_short ip_sum; /* checksum */
+ struct in_addr ip_src, ip_dst; /* source and dest address */
+ };
/*
* Time stamp option structure.
*/
-struct ip_timestamp {
- u_int8_t ipt_code; /* IPOPT_TS */
- u_int8_t ipt_len; /* size of structure (variable) */
- u_int8_t ipt_ptr; /* index of current entry */
+struct ip_timestamp
+ {
+ u_int8_t ipt_code; /* IPOPT_TS */
+ u_int8_t ipt_len; /* size of structure (variable) */
+ u_int8_t ipt_ptr; /* index of current entry */
#if __BYTE_ORDER == __LITTLE_ENDIAN
- u_int8_t ipt_flg:4, /* flags, see below */
- ipt_oflw:4; /* overflow counter */
+ u_int8_t ipt_flg:4, /* flags, see below */
+ u_int8_t ipt_oflw:4; /* overflow counter */
#endif
#if __BYTE_ORDER == __BIG_ENDIAN
- u_int8_t ipt_oflw:4, /* overflow counter */
- ipt_flg:4; /* flags, see below */
+ u_int8_t ipt_oflw:4, /* overflow counter */
+ u_int8_t ipt_flg:4; /* flags, see below */
#endif
- u_int32_t data[9];
-};
+ u_int32_t data[9];
+ };
#endif /* __USE_BSD */
#define IPVERSION 4 /* IP version number */
@@ -175,6 +180,8 @@ struct ip_timestamp {
/*
* Definitions for IP type of service (ip_tos)
*/
+#define IPTOS_TOS_MASK 0x1E
+#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
#define IPTOS_LOWDELAY 0x10
#define IPTOS_THROUGHPUT 0x08
#define IPTOS_RELIABILITY 0x04
@@ -184,6 +191,8 @@ struct ip_timestamp {
/*
* Definitions for IP precedence (also in ip_tos) (hopefully unused)
*/
+#define IPTOS_PREC_MASK 0xe0
+#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
#define IPTOS_PREC_NETCONTROL 0xe0
#define IPTOS_PREC_INTERNETCONTROL 0xc0
#define IPTOS_PREC_CRITIC_ECP 0xa0
@@ -196,24 +205,35 @@ struct ip_timestamp {
/*
* Definitions for options.
*/
-#define IPOPT_COPIED(o) ((o)&0x80)
-#define IPOPT_CLASS(o) ((o)&0x60)
-#define IPOPT_NUMBER(o) ((o)&0x1f)
+#define IPOPT_COPY 0x80
+#define IPOPT_CLASS_MASK 0x60
+#define IPOPT_NUMBER_MASK 0x1f
+
+#define IPOPT_COPIED(o) ((o) & IPOPT_COPY)
+#define IPOPT_CLASS(o) ((o) & IPOPT_CLASS_MASK)
+#define IPOPT_NUMBER(o) ((o) & IPOPT_NUMBER_MASK)
#define IPOPT_CONTROL 0x00
#define IPOPT_RESERVED1 0x20
#define IPOPT_DEBMEAS 0x40
+#define IPOPT_MEASUREMENT IPOPT_DEBMEAS
#define IPOPT_RESERVED2 0x60
#define IPOPT_EOL 0 /* end of option list */
+#define IPOPT_END IPOPT_EOL
#define IPOPT_NOP 1 /* no operation */
+#define IPOPT_NOOP IP_NOP
#define IPOPT_RR 7 /* record packet route */
#define IPOPT_TS 68 /* timestamp */
+#define IPOPT_TIMESTAMP IPOPT_TS
#define IPOPT_SECURITY 130 /* provide s,c,h,tcc */
+#define IPOPT_SEC IPOPT_SECURITY
#define IPOPT_LSRR 131 /* loose source route */
#define IPOPT_SATID 136 /* satnet id */
+#define IPOPT_SID IPOPT_SATID
#define IPOPT_SSRR 137 /* strict source route */
+#define IPOPT_RA 148 /* router alert */
/*
* Offsets to fields in options other than EOL and NOP.
diff --git a/sysdeps/unix/sysv/linux/sparc/brk.c b/sysdeps/unix/sysv/linux/sparc/brk.c
index 13bcb0459b..8f079bf444 100644
--- a/sysdeps/unix/sysv/linux/sparc/brk.c
+++ b/sysdeps/unix/sysv/linux/sparc/brk.c
@@ -40,7 +40,7 @@ __brk (void *addr)
"t 0x10\n\t"
"mov %%o0, %0\n\t"
: "=r" (newbrk)
- : "0" (SYS_brk), "r" (addr)
+ : "0" (__NR_brk), "r" (addr)
: "g1", "o0");
__curbrk = newbrk;
diff --git a/sysdeps/unix/sysv/linux/statbuf.h b/sysdeps/unix/sysv/linux/statbuf.h
index 39bbdc9ece..15ffe637bc 100644
--- a/sysdeps/unix/sysv/linux/statbuf.h
+++ b/sysdeps/unix/sysv/linux/statbuf.h
@@ -20,8 +20,9 @@
#define _STATBUF_H 1
/* Versions of the `struct stat' data structure. */
-#define _STAT_VER_LINUX 1
+#define _STAT_VER_LINUX_OLD 1
#define _STAT_VER_SVR4 2
+#define _STAT_VER_LINUX 3
#define _STAT_VER _STAT_VER_LINUX /* The one defined below. */
/* Versions of the `xmknod' interface. */
@@ -32,25 +33,25 @@
struct stat
{
- unsigned short int st_dev; /* Device. */
+ __dev_t st_dev; /* Device. */
unsigned short int __pad1;
- unsigned long int st_ino; /* File serial number. */
- unsigned short int st_mode; /* File mode. */
- unsigned short int st_nlink; /* Link count. */
- unsigned short int st_uid; /* User ID of the file's owner. */
- unsigned short int st_gid; /* Group ID of the file's group.*/
- unsigned short int st_rdev; /* Device number, if device. */
+ __ino_t st_ino; /* File serial number. */
+ __mode_t st_mode; /* File mode. */
+ __nlink_t st_nlink; /* Link count. */
+ __uid_t st_uid; /* User ID of the file's owner. */
+ __gid_t st_gid; /* Group ID of the file's group.*/
+ __dev_t st_rdev; /* Device number, if device. */
unsigned short int __pad2;
- long int st_size; /* Size of file, in bytes. */
+ __off_t st_size; /* Size of file, in bytes. */
unsigned long int st_blksize; /* Optimal block size for I/O. */
#define _STATBUF_ST_BLKSIZE /* Tell code we have this member. */
unsigned long int st_blocks; /* Number of 512-byte blocks allocated. */
- long int st_atime; /* Time of last access. */
+ __time_t st_atime; /* Time of last access. */
unsigned long int __unused1;
- long int st_mtime; /* Time of last modification. */
+ __time_t st_mtime; /* Time of last modification. */
unsigned long int __unused2;
- long int st_ctime; /* Time of last status change. */
+ __time_t st_ctime; /* Time of last status change. */
unsigned long int __unused3;
unsigned long int __unused4;
unsigned long int __unused5;
diff --git a/sysdeps/unix/sysv/linux/xstat.c b/sysdeps/unix/sysv/linux/xstat.c
new file mode 100644
index 0000000000..be49b9d1de
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/xstat.c
@@ -0,0 +1,92 @@
+/* xstat using old-style Unix fstat system call.
+ Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+#include "kernel_stat.h"
+
+extern int __syscall_stat (const char *, struct kernel_stat *);
+
+/* Get information about the file NAME in BUF. */
+int
+__xstat (int vers, const char *name, struct stat *buf)
+{
+ struct kernel_stat kbuf;
+ int result;
+
+ switch (vers)
+ {
+ case _STAT_VER_LINUX_OLD:
+ /* Nothing to do. The struct is in the form the kernel expects
+ it to be. */
+ result = __syscall_stat (name, (struct kernel_stat *) buf);
+ break;
+
+ case _STAT_VER_LINUX:
+ /* Do the system call. */
+ result = __syscall_stat (name, &kbuf);
+
+ /* Convert to current kernel version of `struct stat'. */
+ buf->st_dev = kbuf.st_dev;
+#ifdef _HAVE___PAD1
+ buf->__pad1 = 0;
+#endif
+ buf->st_ino = kbuf.st_ino;
+ buf->st_mode = kbuf.st_mode;
+ buf->st_nlink = kbuf.st_nlink;
+ buf->st_uid = kbuf.st_uid;
+ buf->st_gid = kbuf.st_gid;
+ buf->st_rdev = kbuf.st_rdev;
+#ifdef _HAVE___PAD2
+ buf->__pad2 = 0;
+#endif
+ buf->st_size = kbuf.st_size;
+ buf->st_blksize = kbuf.st_blksize;
+ buf->st_blocks = kbuf.st_blocks;
+ buf->st_atime = kbuf.st_atime;
+#ifdef _HAVE___UNUSED1
+ buf->__unused1 = 0;
+#endif
+ buf->st_mtime = kbuf.st_mtime;
+#ifdef _HAVE___UNUSED2
+ buf->__unused2 = 0;
+#endif
+ buf->st_ctime = kbuf.st_ctime;
+#ifdef _HAVE___UNUSED3
+ buf->__unused3 = 0;
+#endif
+#ifdef _HAVE___UNUSED4
+ buf->__unused4 = 0;
+#endif
+#ifdef _HAVE___UNUSED5
+ buf->__unused5 = 0;
+#endif
+ break;
+
+ default:
+ __set_errno (EINVAL);
+ result = -1;
+ break;
+ }
+
+ return result;
+}
+weak_alias (__xstat, _xstat)