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authorUlrich Drepper <drepper@redhat.com>1997-09-11 12:09:10 +0000
committerUlrich Drepper <drepper@redhat.com>1997-09-11 12:09:10 +0000
commit9a0a462ceb4ab96c909b182f3052de2ef13fbe3a (patch)
tree59456497b6acefe69aab04fc28c38ea38852ccc7 /sysdeps/i386/i486
parent26b4d7667169f8db26fd8194b3c498ec58e50f90 (diff)
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Update.
1997-09-11 04:36 Ulrich Drepper <drepper@cygnus.com> * db2/db_int.h: Define __set_errno if not yet available. * db2/btree/bt_rec.c: Use __set_errno to set errno value. * db2/clib/getlong.c: Likewise. * db2/db185/db185.c: Likewise. * db2/db185/db185_int.h: Likewise. * db2/dbm/dbm.c: Likewise. * db2/lock/lock_deadlock.c: Likewise. * db2/log/log_archive.c: Likewise. * elf/dl-profile.c: Implement mcount function. * gmon/gmon.c: Use __profil not profil because of namespace pollution. * gmon/mcount.c: Remove BSD kernel code. Use compare&swap instruction if possible to change state variable. Optimize frompc folding. * gmon/sys/gmon.h (struct gmonparam): Change state field to long int. * sysdeps/i386/i486/atomicity.h: New file. * sysdeps/stub/atomicity.h: New file. * sysdeps/mach/hurd/profil.c: Define function as __profil and make profil weak alias. * sysdeps/posix/profil.c: Likewise. * string/bits/string2.h: New file. * include/bits/string2.h: New file. * string/Makefile (routines): Add mempcpy. (tests): Add inl-tester. Remove _D__NO_STRING_INLINES from CFLAGS-* variables. * sysdeps/generic/mempcpy.c: New file. * sysdeps/generic/memccpy.c: Undef function name to enable definition as macro. * sysdeps/generic/memchr.c: Likewise. * sysdeps/generic/memcmp.c: Likewise. * sysdeps/generic/memmem.c: Likewise. * sysdeps/generic/memmove.c: Likewise. * sysdeps/generic/strcat.c: Likewise. * sysdeps/generic/strchr.c: Likewise. * sysdeps/generic/strcmp.c: Likewise. * sysdeps/generic/strcpy.c: Likewise. * sysdeps/generic/strcspn.c: Likewise. * sysdeps/generic/strlen.c: Likewise. * sysdeps/generic/strncat.c: Likewise. * sysdeps/generic/strncmp.c: Likewise. * sysdeps/generic/strncpy.c: Likewise. * sysdeps/generic/strpbrk.c: Likewise. * sysdeps/generic/strrchr.c: Likewise. * sysdeps/generic/strsep.c: Likewise. * sysdeps/generic/strspn.c: Likewise. * sysdeps/generic/strstr.c: Likewise. * sysdeps/generic/strtok.c: Likewise. * sysdeps/generic/strtok_r.c: Likewise. * sysdeps/i386/memset.c: Likewise. * sysdeps/i386/bits/string.h: Correct a few types and constraints. * sysdeps/i386/i486/bits/string.h: Heavy rewrites and optimizations. * string/stratcliff.c: Undefine __USE_STRING_INLINES. * string/tst-strlen.c: Likewise. * string/string.h: Add prototype for mempcpy. Include bits/string2.h header always if optimizing. * intl/dcgettext.c: Don't unconditionally define stpcpy, only if not yet defined. * intl/l10nflist.c: Likewise. * string/tester.c: Add copyright and make little cleanups. * inet/test_ifindex.c: Change type of ni variable to unsigned int. * locale/programs/ld-ctype.c (struct locale_ctype_t): Change type of fields map_collection_max and map_collection_act to size_t. * nss/libnss_files.map: Group entries. * posix/unistd.h: Add prototype for __setpgid and __profil. * sysdeps/generic/crypt.h: Declare __crypt_r. * sysdeps/i386/bits/select.h: Fix fatal bugs, use correct casts now. * sysdeps/i386/fpu/bits/mathinline.h (isgreater, isgreaterequal, isless, islessequal, islessgreater, isunordered): Optimize a bit. * sysdeps/stub/ftruncate.c: Include missing header for prototype. * sysdeps/stub/getdents.c: Likewise. * sysdeps/stub/reboot.c: Likewise. * sysdeps/stub/swapon.c: Likewise. * sysdeps/stub/syscall.c: Likewise. * sysdeps/stub/ualarm.c: Likewise. * sysdeps/stub/usleep.c: Likewise. * sysdeps/unix/sysv/linux/if_index.c: Don't compile or use opensock if SIOGIFINDEX and SIOGIFNAME are not defined. * sysdeps/unix/sysv/linux/net/if.h: Add IFF_PORTSEL and IFF_AUTOMEDIA according to recent kernel changes. 1997-09-10 21:32 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de> * Makeconfig: Use $(have-initfini) instead of $(elf) to figure out the installed name of the startup code. (common-generated): Add version.mk. * Makefile (distclean-1): Add glibcbug. * Makerules: Replace -lgcc by $(gnulib). * catgets/Makefile (generated): Add xmalloc.o. * csu/Makefile (generated): Replace align.h and end.h by defs.h to match the generated file. * manual/Makefile (mostlyclean): Add stub-manual and stamp.o. (realclean): Changed to remove chapters-incl[12]. * po/Makefile (realclean): New rule to remove the generated .mo files. * time/Makefile: Only include zonefile dependencies if $(no_deps) is not true to avoid make clean failure when directory time doesn't exist yet. (generated): Add tzselect. * stdio/fgets.c (fgets): Add casts to reduce gcc warning noise. * stdio/internals.c (flushbuf): Likewise. * stdio/linewrap.c (lwupdate): Likewise. * stdio/memstream.c (enlarge_buffer): Likewise. * stdio-common/vfscanf.c (_IO_vfscanf): Likewise. * time/tzset.c (compute_change): Likewise. * misc/init-misc.c (__init_misc): Only declare static if HAVE_GNU_LD is defined. * sysdeps/posix/pipestream.c (FUNC): Change to generate ANSI C style functions. * sysdeps/stub/init-posix.c: Likewise. * sysdeps/stub/profil.c: Likewise. * munch-tmpl.c (__libc_init): Convert to ANSI C style declaration to reduce gcc warning noise. * stdio/glue.c (_filbuf, _flsbuf): Likewise. * stdio/obstream.c (grow, seek, input, init_obstream): Likewise. * stdio/vasprintf.c (enlarge_buffer): Likewise. * sysdeps/generic/sysd-stdio.c (__stdio_read, __stdio_write, __stdio_seek, __stdio_close, __stdio_fileno, __stdio_open, __stdio_reopen): Likewise. * sysdeps/posix/defs.c (_cleanup): Likewise. * time/offtime.c (__offtime): Add cast. * posix/getopt.c: Don't use text_set_element if not defined. * configure.in: Provide a check for underscores before user labels that works even when the compiler used for building doesn't work (like when there is no C library). Use the old way if the compiler works. 1997-09-10 05:08 David S. Miller <davem@caip.rutgers.edu> * sysdeps/unix/sysv/linux/sparc/bits/ioctls.h: The TC* ioctls use 'T' not 't' on SparcLinux. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: tcflag_t is 32 bits. * sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S: Add aliases for _longjmp and siglongjmp. 1997-09-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/stdio.h: Add format attributes to the extra printf and scanf like functions. * stdio/stdio.h: Likewise. 1997-09-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * nis/nss_nisplus/nisplus-network.c (_nss_nisplus_getnetbyaddr_r): Print tablename_val, not tablename_len. * nis/nss_nisplus/nisplus-ethers.c (_nss_nisplus_getntohost_r): Use sprintf instead of sprintf, the string always fits. * nis/nss_nisplus/nisplus-hosts.c (_nss_nisplus_gethostbyaddr_r): Likewise. * nis/nss_nisplus/nisplus-network.c (_nss_nisplus_getnetbyaddr_r): Likewise. * nis/nss_nisplus/nisplus-proto.c (_nss_nisplus_getprotobynumber_r): Likewise. * nis/nss_nisplus/nisplus-rpc.c (_nss_nisplus_getrpcbynumber_r): Likewise. * nis/nss_nisplus/nisplus-service.c (_nss_nisplus_getservbynumber_r): Likewise. * nis/nss_nisplus/nisplus-alias.c (_nss_create_tablename): Use __stpcpy, __stpncpy and __strdup instead of public names. * nis/nss_nisplus/nisplus-ethers.c (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-grp.c (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-hosts.c (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-netgrp.c (_nss_nisplus_parse_netgroup): Likewise. * nis/nss_nisplus/nisplus-network.c (_nss_nisplus_parse_netent): Likewise. (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-proto.c (_nss_nisplus_parse_protoent): Likewise. (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-pwd.c (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-rpc.c (_nss_nisplus_parse_rpcent): Likewise. (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-service.c (_nss_nisplus_parse_servent): Likewise. (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-spwd.c (_nss_create_tablename): Likewise. * libc.map: Export __stpcpy and __strdup. 1997-09-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/Makefile (CFLAGS-test-float.c, CFLAGS-test-double.c, CFLAGS-test-ldouble.c): Pass -ffloat-store to avoid excessive precision. 1997-09-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * include/rpc/auth_des.h: New file. 1997-09-09 Paul Eggert <eggert@twinsun.com> * time/mktime.c (__mktime_internal): Declare sec_requested even if !LEAP_SECONDS_POSSIBLE, since it's needed at the end when checking for time_t overflow. 1997-09-09 22:11 Ulrich Drepper <drepper@cygnus.com> * sysdeps/posix/getcwd.c: Correct test for too small buffer. Reported by Erik Troan <ewt@redhat.com>. * elf/dl-close.c: Include <bits/libc-lock.h>, not <libc-lock.h>. * elf/dl-open.c: Likewise. 1997-09-07 17:09 Richard Henderson <rth@cygnus.com> * sysdeps/alpha/Makefile: Kill setjmp_aux. * sysdeps/alpha/bits/setjmp.h: Rewrite in terms of an array. * sysdeps/alpha/__longjmp.c: Remove. * sysdeps/alpha/setjmp_aux.c: Remove. * sysdeps/alpha/__longjmp.S: New file. * sysdeps/alpha/bsd-_setjmp.S: Stub out. * sysdeps/alpha/bsd-setjmp.S: Likewise. * sysdeps/alpha/setjmp.S: Do the work; don't call __setjmp_aux. Move _setjmp and setjmp from bsd-*.S. 1997-09-06 20:20 Ulrich Drepper <drepper@cygnus.com> * include/rpc/auth.h: New file. * include/rpc/auth_unix.h: New file. 1997-09-06 Paul Eggert <eggert@twinsun.com> Fix gmtime so that it reports leap seconds when TZ indicates that leap seconds are desired. * time/gmtime.c (<stddef.h>): Remove unnecessary include. (gmtime): Put after gmtime_r, to help the compiler inline. (__tz_convert): New decl. (gmtime_r): Use __tz_convert instead of __offtime, so that leap seconds are handled correctly. * time/localtime.c (<errno.h>, <libc-lock.h>): Remove includes that are now unnecessary. (__tzset_internal, __tz_compute, __tzfile_compute, __use_tzfile, __tzset_lock): Remove extern decls that are now unnecessary. (localtime_internal): Moved to __tz_convert in tzset.c. so that localtime and gmtime can both use it easily. (localtime): Put after localtime_r, to help the compiler inline. (localtime_r): Use __tz_convert instead of localtime_internal. * time/strftime.c (__tz_compute): Remove unused (and now incorrect) decl. * time/tzfile.c (__tzfile_compute): New arg USE_LOCALTIME. * time/tzset.c (<errno.h>): Include. (_tmbuf): New decl. (__tzfile_compute): New function. (tz_compute): Renamed from __tz_compute. No longer extern. Remove redundant call to tzset_internal. (tzset_internal): Renamed from __tzset_internal. No longer extern. (tzset_lock): Renamed from __tzset_lock. No longer extern. (__tz_convert): New function, containing functionality of old localtime_internal function, plus locking and optional UTC. 1997-09-06 Paul Eggert <eggert@twinsun.com> * time/tzfile.c (__tzfile_read): Don't read a file if TZ is the empty string, just use UTC without leap seconds. This is for compatibility with the Olson code. 1997-09-06 Paul Eggert <eggert@twinsun.com> * time/tzset.c (__tzname_max): Lock tz data structures before invoking tzset_internal. * time/tzfile.c: Define compute_tzname_max statically. 1997-09-07 10:57 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nis_call.c: Remove not longer necessary HAVE_SECURE_RPC ifdefs. * nis/nis_intern.h: Likewise. * nis/nss_nis/nis-publickey.c: Likewise. * nis/nss_nisplus/nisplus-publickey.c: Likewise. * nis/ypclnt.c: Likewise. * sunrpc/auth_des.c: Don't dereference NULL pointer, initialize ad->ad_timediff. * sunrpc/auth_none.c: Don't define our own prototypes, use the one from the header files. * sunrpc/auth_unix.c: Likewise. * sunrpc/clnt_raw.c: Likewise. * sunrpc/clnt_tcp.c: Likewise. * sunrpc/rpc_cmsg.c: Likewise. * sunrpc/key_call.c: Fix signal handling. * sunrpc/openchild.c: Don't use /bin/sh to start /usr/etc/keyenvoy, or we will get a deadlock with NIS+. * sunrpc/rpc/auth.h: Add prototype for xdr_opaque_auth, don't define HAVE_SECURE_RPC. 1997-09-07 15:51 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/bits/select.h [__GNUC__] (__FD_ZERO, __FD_SET, __FD_CLR, __FD_ISSET): Use correct casts to address array correctly. Reported by urbanw@cs.umu.se. 1997-09-07 05:07 Ulrich Drepper <drepper@cygnus.com> * elf/dl-close.c: Include <bits/libc-lock.h>, not <libc-lock.h>. * elf/dl-open.c: Likewise. * sysdeps/i386/memset.c: Undefine memset in case the header with the optimized functions is included. Patches by NIIBE Yutaka <gniibe@mri.co.jp>. * sysdeps/i386/bits/string.h [__PIC__] (strcspn, strspn, strpbrk, strsep): Use register for second parameter. * sysdeps/i386/i486/bits/string.h: Likewise. Reported by NIIBE Yutaka <gniibe@mri.co.jp>. 1997-09-03 09:48 Geoff Keating <geoffk@ozemail.com.au> * math/libm-test.c: Change various tolerances to match what the tested routines can actually provide. * math/Makefile: Add new tests. * math/atest-sincos.c: New file. * math/atest-exp.c: New file. * csu/Makefile: Give initfini.s and initfiniS.s their own CFLAGS-* macros so they can be overridden. * sysdeps/powerpc/Makefile [subdir=csu]: Override flags for initfiniS.s to use -fpic instead of -fPIC, because the sed script breaks otherwise. * sysdeps/powerpc/Makefile [build-shared]: Use -fpic not -fPIC for efficiency. * sysdeps/powerpc/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Don't use register 0, to let _mcount be in a shared object. * sysdeps/powerpc/dl-machine.h: Use full sentences in comments. Generally clean up. Suppress some code we don't need when relocating ld.so. * sysdeps/powerpc/test-arith.c: Change loop indices to size_t when appropriate to suppress gcc warning. * resolv/res_send.c: Suppress warning. * sunrpc/xdr_sizeof.c: Suppress warning. * FAQ: Add ppc-linux. * manual/maint.texi: Add ppc-linux. Explain that gcc can't build it yet. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Correct for current kernels. 1997-08-15 07:45 Geoff Keating <geoffk@ozemail.com.au> * stdlib/fmtmsg.c: Use two parameters for __libc_once_define. * sysdeps/i386/machine-gmon.h: Correct typo. * sysdeps/unix/sysv/linux/powerpc/bits/mman.h: Change to match kernel. * sysdeps/generic/dl-sysdep.c: Add hook for bizzare PPC argument hack. * sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Rewrite to use sysdeps/linux/dl-sysdep.c. * sysdeps/powerpc/Makefile [subdir=gmon]: Compile ppc-mcount. * sysdeps/powerpc/machine-gmon.h: Use ppc-mcount. * sysdeps/powerpc/ppc-mcount: New file. The following are mostly changes to allow profiling: * sysdeps/powerpc/add_n.S: Added. * sysdeps/powerpc/add_n.s: Removed. * sysdeps/powerpc/addmul_1.S: Added. * sysdeps/powerpc/addmul_1.s: Removed. * sysdeps/powerpc/bsd-_setjmp.S: Use JUMPTARGET macro. * sysdeps/powerpc/bsd-setjmp.S: Use JUMPTARGET macro. * sysdeps/powerpc/lshift.S: Added. * sysdeps/powerpc/lshift.s: Removed. * sysdeps/powerpc/memset.S: Added. * sysdeps/powerpc/memset.s: Removed. * sysdeps/powerpc/mul_1.S: Added. * sysdeps/powerpc/mul_1.s: Removed. * sysdeps/powerpc/rshift.S: Added. * sysdeps/powerpc/rshift.s: Removed. * sysdeps/powerpc/s_copysign.S: Use ENTRY, END, weak_alias macros. * sysdeps/powerpc/s_fabs.S: Use ENTRY, END, weak_alias macros. * sysdeps/powerpc/setjmp.S: Use JUMPTARGET macro. * sysdeps/powerpc/strchr.S: Added. * sysdeps/powerpc/strchr.s: Removed. * sysdeps/powerpc/strcmp.S: Added. * sysdeps/powerpc/strcmp.s: Removed. * sysdeps/powerpc/strlen.S: Added. * sysdeps/powerpc/strlen.s: Removed. * sysdeps/powerpc/sub_n.S: Added. * sysdeps/powerpc/sub_n.s: Removed. * sysdeps/powerpc/submul_1.S: Added. * sysdeps/powerpc/submul_1.s: Removed. * sysdeps/unix/sysv/linux/powerpc/_exit.S: Removed. * sysdeps/unix/sysv/linux/powerpc/brk.S: Added. * sysdeps/unix/sysv/linux/powerpc/brk.c: Removed. * sysdeps/unix/sysv/linux/powerpc/clone.S: Use new macros. Fix various bugs. Document that it isn't tested. * sysdeps/unix/sysv/linux/powerpc/sigreturn.S: Make look like sysdeps/unix/_exit.S. * sysdeps/unix/sysv/linux/powerpc/socket.S: Use new macros. * sysdeps/unix/sysv/linux/powerpc/syscall.S: Use new macros. * sysdeps/unix/sysv/linux/powerpc/sysdep.h: Define some new macros to make assembler (possibly) more portable, allow profiling, etc.
Diffstat (limited to 'sysdeps/i386/i486')
-rw-r--r--sysdeps/i386/i486/atomicity.h57
-rw-r--r--sysdeps/i386/i486/bits/string.h850
2 files changed, 786 insertions, 121 deletions
diff --git a/sysdeps/i386/i486/atomicity.h b/sysdeps/i386/i486/atomicity.h
new file mode 100644
index 0000000000..98a2531365
--- /dev/null
+++ b/sysdeps/i386/i486/atomicity.h
@@ -0,0 +1,57 @@
+/* Low-level functions for atomitc operations. ix86 version, x >= 4.
+ 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. */
+
+#ifndef _ATOMICITY_H
+#define _ATOMICITY_H 1
+
+#include <inttypes.h>
+
+
+static inline int
+__attribute__ ((unused))
+exchange_and_add (volatile uint32_t *mem, int val)
+{
+ register int result;
+ __asm__ __volatile__ ("lock; xaddl %0,%1"
+ : "=r" (result) : "0" (val), "m" (*mem) : "memory");
+ return result;
+}
+
+static inline void
+__attribute__ ((unused))
+atomic_add (volatile uint32_t *mem, int val)
+{
+ __asm__ __volatile__ ("lock; addl %0,%1"
+ : : "ir" (val), "m" (*mem) : "memory");
+}
+
+static inline int
+__attribute__ ((unused))
+compare_and_swap (volatile long int *p, long int oldval, long int newval)
+{
+ char ret;
+ long int readval;
+
+ __asm__ __volatile__ ("lock; cmpxchgl %3, %1; sete %0"
+ : "=q" (ret), "=m" (*p), "=a" (readval)
+ : "r" (newval), "m" (*p), "a" (oldval));
+ return ret;
+}
+
+#endif /* atomicity.h */
diff --git a/sysdeps/i386/i486/bits/string.h b/sysdeps/i386/i486/bits/string.h
index f141bd50e1..770f5c1e15 100644
--- a/sysdeps/i386/i486/bits/string.h
+++ b/sysdeps/i386/i486/bits/string.h
@@ -32,16 +32,19 @@
/* Copy N bytes of SRC to DEST. */
+#define _HAVE_STRING_ARCH_memcpy 1
#define memcpy(dest, src, n) \
(__extension__ (__builtin_constant_p (n) \
? __memcpy_c (dest, src, n) \
: __memcpy_g (dest, src, n)))
#define __memcpy_c(dest, src, n) \
- (((n) % 4 == 0) \
- ? __memcpy_by4 (dest, src, n) \
- : (((n) % 2 == 0) \
- ? __memcpy_by2 (dest, src, n) \
- : __memcpy_g (dest, src, n)))
+ ((n) == 0 \
+ ? (dest) \
+ : (((n) % 4 == 0) \
+ ? __memcpy_by4 (dest, src, n) \
+ : (((n) % 2 == 0) \
+ ? __memcpy_by2 (dest, src, n) \
+ : __memcpy_g (dest, src, n))))
__STRING_INLINE void *
__memcpy_by4 (void *__dest, __const void *__src, size_t __n)
@@ -135,6 +138,7 @@ memmove (void *__dest, __const void *__src, size_t __n)
/* Compare N bytes of S1 and S2. */
+#define _HAVE_STRING_ARCH_memcmp 1
#ifndef __PIC__
/* gcc has problems to spill registers when using PIC. */
__STRING_INLINE int
@@ -157,6 +161,7 @@ memcmp (__const void *__s1, __const void *__s2, size_t __n)
/* Set N bytes of S to C. */
+#define _HAVE_STRING_ARCH_memset 1
#define memset(s, c, n) \
(__extension__ (__builtin_constant_p (c) \
? (__builtin_constant_p (n) \
@@ -166,17 +171,21 @@ memcmp (__const void *__s1, __const void *__s2, size_t __n)
? __memset_gc (s, c, n) \
: __memset_gg (s, c, n))))
#define __memset_cc(s, c, n) \
- (((n) % 4 == 0) \
- ? __memset_cc_by4 (s, c, n) \
- : (((n) % 2== 0) \
- ? __memset_cc_by2 (s, c, n) \
- : __memset_cg (s, c, n)))
+ ((n) == 0 \
+ ? (s) \
+ : (((n) % 4 == 0) \
+ ? __memset_cc_by4 (s, c, n) \
+ : (((n) % 2== 0) \
+ ? __memset_cc_by2 (s, c, n) \
+ : __memset_cg (s, c, n))))
#define __memset_gc(s, c, n) \
- (((n) % 4== 0) \
- ? __memset_gc_by4 (s, c, n) \
- : (((n) % 2 == 0) \
- ? __memset_gc_by2 (s, c, n) \
- : __memset_gg (s, c, n)))
+ ((n) == 0 \
+ ? (s) \
+ : (((n) % 4== 0) \
+ ? __memset_gc_by4 (s, c, n) \
+ : (((n) % 2 == 0) \
+ ? __memset_gc_by2 (s, c, n) \
+ : __memset_gg (s, c, n))))
__STRING_INLINE void *
__memset_cc_by4 (void *__s, int __c, size_t __n)
@@ -196,7 +205,7 @@ __memset_cc_by4 (void *__s, int __c, size_t __n)
}
__STRING_INLINE void *
-__memset_cc_by2 (void *__s, char __c, size_t __n)
+__memset_cc_by2 (void *__s, int __c, size_t __n)
{
register void *__tmp = __s;
register int __dummy;
@@ -217,7 +226,7 @@ __memset_cc_by2 (void *__s, char __c, size_t __n)
}
__STRING_INLINE void *
-__memset_gc_by4 (void *__s, char __c, size_t __n)
+__memset_gc_by4 (void *__s, int __c, size_t __n)
{
register void *__tmp = __s;
register int __dummy;
@@ -238,7 +247,7 @@ __memset_gc_by4 (void *__s, char __c, size_t __n)
}
__STRING_INLINE void *
-__memset_gc_by2 (void *__s, char __c, size_t __n)
+__memset_gc_by2 (void *__s, int __c, size_t __n)
{
register void *__tmp = __s;
register int __dummy1, __dummy2;
@@ -263,7 +272,7 @@ __memset_gc_by2 (void *__s, char __c, size_t __n)
}
__STRING_INLINE void *
-__memset_cg (void *__s, char __c, size_t __n)
+__memset_cg (void *__s, int __c, size_t __n)
{
register void *__tmp = __s;
__asm__ __volatile__
@@ -279,7 +288,7 @@ __memset_cg (void *__s, char __c, size_t __n)
}
__STRING_INLINE void *
-__memset_gg (void *__s, char __c, size_t __n)
+__memset_gg (void *__s, int __c, size_t __n)
{
register void *__tmp = __s;
__asm__ __volatile__
@@ -297,6 +306,7 @@ __memset_gg (void *__s, char __c, size_t __n)
/* Search N bytes of S for C. */
+#define _HAVE_STRING_ARCH_memchr 1
__STRING_INLINE void *
memchr (__const void *__s, int __c, size_t __n)
{
@@ -318,16 +328,21 @@ memchr (__const void *__s, int __c, size_t __n)
/* Return the length of S. */
+#define _HAVE_STRING_ARCH_strlen 1
+#define strlen(str) \
+ (__extension__ (__builtin_constant_p (str) \
+ ? sizeof (str) - 1 \
+ : __strlen_g (str)))
__STRING_INLINE size_t
-strlen (__const char *__str)
+__strlen_g (__const char *__str)
{
register char __dummy;
register __const char *__tmp = __str;
__asm__ __volatile__
("1:\n\t"
- "movb (%0),%1\n\t"
+ "movb (%0),%b1\n\t"
"leal 1(%0),%0\n\t"
- "testb %1,%1\n\t"
+ "testb %b1,%b1\n\t"
"jne 1b"
: "=r" (__tmp), "=q" (__dummy)
: "0" (__str)
@@ -337,19 +352,25 @@ strlen (__const char *__str)
/* Copy SRC to DEST. */
+#define _HAVE_STRING_ARCH_strcpy 1
+#define strcpy(dest, src) \
+ (__extension__ (__builtin_constant_p (src) \
+ ? (char *) memcpy (dest, src, strlen (src) + 1) \
+ : __strcpy_g (dest, src)))
+
__STRING_INLINE char *
-strcpy (char *__dest, __const char *__src)
+__strcpy_g (char *__dest, __const char *__src)
{
register char *__tmp = __dest;
register char __dummy;
__asm__ __volatile__
(
"1:\n\t"
- "movb (%0),%2\n\t"
- "incl %0\n\t"
- "movb %2,(%1)\n\t"
- "incl %1\n\t"
- "testb %2,%2\n\t"
+ "movb (%0),%b2\n\t"
+ "leal 1(%0),%0\n\t"
+ "movb %b2,(%1)\n\t"
+ "leal 1(%1),%1\n\t"
+ "testb %b2,%b2\n\t"
"jne 1b"
: "=r" (__src), "=r" (__tmp), "=q" (__dummy)
: "0" (__src), "1" (__tmp)
@@ -358,9 +379,233 @@ strcpy (char *__dest, __const char *__src)
}
+#ifdef __USE_GNU
+# define _HAVE_STRING_ARCH_stpcpy 1
+/* Copy SRC to DEST. */
+# define __stpcpy(dest, src) \
+ (__extension__ (__builtin_constant_p (src) \
+ ? (strlen (src) + 1 <= 8 \
+ ? __stpcpy_small (dest, src, strlen (src) + 1) \
+ : __stpcpy_c (dest, src, strlen (src) + 1)) \
+ : __stpcpy_g (dest, src)))
+# define __stpcpy_c(dest, src, srclen) \
+ ((srclen) % 4 == 0 \
+ ? __mempcpy_by4 (dest, src, srclen) \
+ : ((srclen) % 2 == 0 \
+ ? __mempcpy_by2 (dest, src, srclen) \
+ : __mempcpy_byn (dest, src, srclen)))
+
+/* In glibc itself we use this symbol for namespace reasons. */
+# define stpcpy(dest, src) __stpcpy (dest, src)
+
+__STRING_INLINE char *
+__stpcpy_small (char *__dest, __const char __src[], size_t __srclen)
+{
+ register char *__tmp = __dest;
+ switch (__srclen)
+ {
+ case 7:
+ *((unsigned short int *) __tmp)++ = *((unsigned short int *) __src)++;
+ case 5:
+ *((unsigned int *) __tmp)++ = *((unsigned int *) __src)++;
+ *((unsigned char *) __tmp) = '\0';
+ return __tmp;
+
+ case 8:
+ *((unsigned int *) __tmp)++ = *((unsigned int *) __src)++;
+ case 4:
+ *((unsigned int *) __tmp) = *((unsigned int *) __src);
+ return __tmp + 3;
+
+ case 6:
+ *((unsigned int *) __tmp)++ = *((unsigned int *) __src)++;
+ case 2:
+ *((unsigned short int *) __tmp) = *((unsigned short int *) __src);
+ return __tmp + 1;
+
+ case 3:
+ *((unsigned short int *) __tmp)++ = *((unsigned short int *) __src)++;
+ case 1:
+ *((unsigned char *) __tmp) = '\0';
+ return __tmp;
+
+ default:
+ break;
+ }
+ /* This should never happen. */
+ return NULL;
+}
+
+__STRING_INLINE char *
+__mempcpy_by4 (char *__dest, __const char *__src, size_t __srclen)
+{
+ register char *__tmp = __dest;
+ register int __dummy1, __dummy2;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b"
+ : "=r" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2)
+ : "1" (__tmp), "2" (__src), "3" (__srclen / 4)
+ : "memory", "cc");
+ return __tmp - 1;
+}
+
+__STRING_INLINE char *
+__mempcpy_by2 (char *__dest, __const char *__src, size_t __srclen)
+{
+ register char *__tmp = __dest;
+ register int __dummy1, __dummy2;
+ __asm__ __volatile__
+ ("shrl $1,%3\n\t"
+ "jz 2f\n" /* only a word */
+ "1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b\n"
+ "2:\n\t"
+ "movw (%2),%w0\n\t"
+ "movw %w0,(%1)"
+ : "=q" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2)
+ : "1" (__tmp), "2" (__src), "3" (__srclen / 2)
+ : "memory", "cc");
+ return __tmp + 1;
+}
+
+__STRING_INLINE char *
+__mempcpy_byn (char *__dest, __const char *__src, size_t __srclen)
+{
+ register char *__tmp = __dest;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "shrl $1,%%ecx\n\t"
+ "jnc 1f\n\t"
+ "movsb\n"
+ "1:\n\t"
+ "shrl $1,%%ecx\n\t"
+ "jnc 2f\n\t"
+ "movsw\n"
+ "2:\n\t"
+ "rep; movsl"
+ : "=D" (__tmp)
+ : "c" (__srclen), "0" (__tmp),"S" (__src)
+ : "cx", "di", "si", "memory", "cc");
+ return __tmp - 1;
+}
+
+__STRING_INLINE char *
+__stpcpy_g (char *__dest, __const char *__src)
+{
+ register char *__tmp = __dest;
+ register char __dummy;
+ __asm__ __volatile__
+ (
+ "1:\n\t"
+ "movb (%0),%b2\n\t"
+ "leal 1(%0),%0\n\t"
+ "movb %b2,(%1)\n\t"
+ "leal 1(%1),%1\n\t"
+ "testb %b2,%b2\n\t"
+ "jne 1b"
+ : "=r" (__src), "=r" (__tmp), "=q" (__dummy)
+ : "0" (__src), "1" (__tmp)
+ : "memory", "cc");
+ return __tmp - 1;
+}
+#endif
+
+
/* Copy no more than N characters of SRC to DEST. */
+#define _HAVE_STRING_ARCH_strncpy 1
+#define strncpy(dest, src, n) \
+ (__extension__ (__builtin_constant_p (src) \
+ ? ((strlen (src) + 1 >= ((size_t) (n)) \
+ ? (char *) memcpy (dest, src, n) \
+ : __strncpy_cg (dest, src, strlen (src) + 1, n))) \
+ : __strncpy_gg (dest, src, n)))
+#define __strncpy_cg(dest, src, srclen, n) \
+ (((srclen) % 4 == 0) \
+ ? __strncpy_by4 (dest, src, srclen, n) \
+ : (((srclen) % 2 == 0) \
+ ? __strncpy_by2 (dest, src, srclen, n) \
+ : __strncpy_byn (dest, src, srclen, n)))
+
+__STRING_INLINE char *
+__strncpy_by4 (char *__dest, __const char __src[], size_t __srclen, size_t __n)
+{
+ register char *__tmp = __dest;
+ register int __dummy1, __dummy2;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b"
+ : "=r" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2)
+ : "1" (__tmp), "2" (__src), "3" (__srclen / 4)
+ : "memory", "cc");
+ (void) memset (__tmp, '\0', __n - __srclen);
+ return __dest;
+}
+
__STRING_INLINE char *
-strncpy (char *__dest, __const char *__src, size_t __n)
+__strncpy_by2 (char *__dest, __const char __src[], size_t __srclen, size_t __n)
+{
+ register char *__tmp = __dest;
+ register int __dummy1, __dummy2;
+ __asm__ __volatile__
+ ("shrl $1,%3\n\t"
+ "jz 2f\n" /* only a word */
+ "1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b\n"
+ "2:\n\t"
+ "movw (%2),%w0\n\t"
+ "movw %w0,(%1)\n\t"
+ : "=q" (__dummy1), "=r" (__tmp), "=r" (__src), "=r" (__dummy2)
+ : "1" (__tmp), "2" (__src), "3" (__srclen / 2)
+ : "memory", "cc");
+ (void) memset (__tmp + 2, '\0', __n - __srclen);
+ return __dest;
+}
+
+__STRING_INLINE char *
+__strncpy_byn (char *__dest, __const char __src[], size_t __srclen, size_t __n)
+{
+ register char *__tmp = __dest;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "shrl $1,%%ecx\n\t"
+ "jnc 1f\n\t"
+ "movsb\n"
+ "1:\n\t"
+ "shrl $1,%%ecx\n\t"
+ "jnc 2f\n\t"
+ "movsw\n"
+ "2:\n\t"
+ "rep; movsl"
+ : "=D" (__tmp)
+ : "c" (__srclen), "0" (__tmp),"S" (__src)
+ : "cx", "di", "si", "memory", "cc");
+ (void) memset (__tmp, '\0', __n - __srclen);
+ return __dest;
+}
+
+__STRING_INLINE char *
+__strncpy_gg (char *__dest, __const char *__src, size_t __n)
{
register char *__tmp = __dest;
register char __dummy;
@@ -390,14 +635,35 @@ strncpy (char *__dest, __const char *__src, size_t __n)
/* Append SRC onto DEST. */
+#define _HAVE_STRING_ARCH_strcat 1
+#define strcat(dest, src) \
+ (__extension__ (__builtin_constant_p (src) \
+ ? __strcat_c (dest, src, strlen (src) + 1) \
+ : __strcat_g (dest, src)))
+
+__STRING_INLINE char *
+__strcat_c (char *__dest, __const char __src[], size_t __srclen)
+{
+ register char *__tmp = __dest - 1;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "incl %0\n\t"
+ "cmpb $0,(%0)\n\t"
+ "jne 1b\n"
+ : "=r" (__tmp)
+ : "0" (__tmp)
+ : "cc");
+ (void) memcpy (__tmp, __src, __srclen);
+ return __dest;
+}
+
__STRING_INLINE char *
-strcat (char *__dest, __const char *__src)
+__strcat_g (char *__dest, __const char *__src)
{
register char *__tmp = __dest - 1;
register char __dummy;
__asm__ __volatile__
- (
- "1:\n\t"
+ ("1:\n\t"
"incl %1\n\t"
"cmpb $0,(%1)\n\t"
"jne 1b\n"
@@ -416,16 +682,23 @@ strcat (char *__dest, __const char *__src)
/* Append no more than N characters from SRC onto DEST. */
+#define _HAVE_STRING_ARCH_strncat 1
+#define strncat(dest, src, n) \
+ (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \
+ ? (strlen (src) < ((size_t) (n)) \
+ ? strcat (dest, src) \
+ : (memcpy (strchr (dest, '\0'), src, n), dest)) \
+ : __strncat_g (dest, src, n)))
+
__STRING_INLINE char *
-strncat (char *__dest, __const char *__src, size_t __n)
+__strncat_g (char *__dest, __const char __src[], size_t __n)
{
register char *__tmp = __dest - 1;
register char __dummy;
__asm__ __volatile__
- (
- "1:\n\t"
- "incl %1\n\t"
- "cmpb $0,(%1)\n\t"
+ ("1:\n\t"
+ "cmpb $0,1(%1)\n\t"
+ "leal 1(%1),%1\n\t"
"jne 1b\n"
"2:\n\t"
"decl %3\n\t"
@@ -435,7 +708,8 @@ strncat (char *__dest, __const char *__src, size_t __n)
"movb %b0,(%1)\n\t"
"leal 1(%1),%1\n\t"
"testb %b0,%b0\n\t"
- "jne 2b\n"
+ "jne 2b\n\t"
+ "decl %1\n"
"3:\n\t"
"movb $0,(%1)\n\t"
: "=q" (__dummy), "=r" (__tmp), "=r" (__src), "=r" (__n)
@@ -446,6 +720,7 @@ strncat (char *__dest, __const char *__src, size_t __n)
/* Compare S1 and S2. */
+#define _HAVE_STRING_ARCH_strcmp 1
__STRING_INLINE int
strcmp (__const char *__s1, __const char *__s2)
{
@@ -474,8 +749,16 @@ strcmp (__const char *__s1, __const char *__s2)
/* Compare N characters of S1 and S2. */
+#define _HAVE_STRING_ARCH_strncmp 1
+#define strncmp(s1, s2, n) \
+ (__extension__ (__builtin_constant_p (s1) && strlen (s1) < ((size_t) (n)) \
+ ? strcmp (s1, s2) \
+ : (__builtin_constant_p (s2) && strlen (s2) < ((size_t) (n))\
+ ? strcmp (s1, s2) \
+ : __strncmp_g (s1, s2, n))))
+
__STRING_INLINE int
-strncmp (__const char *__s1, __const char *__s2, size_t __n)
+__strncmp_g (__const char *__s1, __const char *__s2, size_t __n)
{
register int __res;
__asm__ __volatile__
@@ -505,18 +788,18 @@ strncmp (__const char *__s1, __const char *__s2, size_t __n)
/* Find the first occurrence of C in S. */
+#define _HAVE_STRING_ARCH_strchr 1
#define strchr(s, c) \
(__extension__ (__builtin_constant_p (c) \
? __strchr_c (s, ((c) & 0xff) << 8) \
: __strchr_g (s, c)))
__STRING_INLINE char *
-__strchr_g (__const char *__s, int __c)
+__strchr_c (__const char *__s, int __c)
{
register char *__res;
__asm__ __volatile__
- ("movb %%al,%%ah\n"
- "1:\n\t"
+ ("1:\n\t"
"movb (%0),%%al\n\t"
"cmpb %%ah,%%al\n\t"
"je 2f\n\t"
@@ -532,11 +815,12 @@ __strchr_g (__const char *__s, int __c)
}
__STRING_INLINE char *
-__strchr_c (__const char *__s, int __c)
+__strchr_g (__const char *__s, int __c)
{
register char *__res;
__asm__ __volatile__
- ("1:\n\t"
+ ("movb %%al,%%ah\n"
+ "1:\n\t"
"movb (%0),%%al\n\t"
"cmpb %%ah,%%al\n\t"
"je 2f\n\t"
@@ -553,18 +837,56 @@ __strchr_c (__const char *__s, int __c)
/* Find the last occurrence of C in S. */
+#define _HAVE_STRING_ARCH_strrchr 1
#define strrchr(s, c) \
(__extension__ (__builtin_constant_p (c) \
? __strrchr_c (s, ((c) & 0xff) << 8) \
: __strrchr_g (s, c)))
+#ifdef __i686__
+__STRING_INLINE char *
+__strrchr_c (__const char *__s, int __c)
+{
+ register char *__res;
+ __asm__ __volatile__
+ ("cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "cmovne %%esi,%0\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b"
+ : "=d" (__res)
+ : "0" (1), "S" (__s),"a" (__c)
+ : "ax", "si", "cc");
+ return __res - 1;
+}
+
__STRING_INLINE char *
__strrchr_g (__const char *__s, int __c)
{
register char *__res;
__asm__ __volatile__
- ("cld\n\t"
- "movb %%al,%%ah\n"
+ ("movb %%al,%%ah\n"
+ "cld\n\t"
+ "1:\n\t"
+ "lodsb\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "cmovne %%esi,%0\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b"
+ : "=r" (__res)
+ : "0" (1), "S" (__s),"a" (__c)
+ : "ax", "si", "cc");
+ return __res - 1;
+}
+#else
+__STRING_INLINE char *
+__strrchr_c (__const char *__s, int __c)
+{
+ register char *__res;
+ __asm__ __volatile__
+ ("cld\n"
"1:\n\t"
"lodsb\n\t"
"cmpb %%ah,%%al\n\t"
@@ -580,11 +902,12 @@ __strrchr_g (__const char *__s, int __c)
}
__STRING_INLINE char *
-__strrchr_c (__const char *__s, int __c)
+__strrchr_g (__const char *__s, int __c)
{
register char *__res;
__asm__ __volatile__
- ("cld\n\t"
+ ("movb %%al,%%ah\n"
+ "cld\n\t"
"1:\n\t"
"lodsb\n\t"
"cmpb %%ah,%%al\n\t"
@@ -593,66 +916,140 @@ __strrchr_c (__const char *__s, int __c)
"2:\n\t"
"testb %%al,%%al\n\t"
"jne 1b"
- : "=d" (__res)
+ : "=r" (__res)
: "0" (0), "S" (__s),"a" (__c)
: "ax", "si", "cc");
return __res;
}
+#endif
/* Return the length of the initial segment of S which
consists entirely of characters not in REJECT. */
-#ifdef __PIC__
+#define _HAVE_STRING_ARCH_strcspn 1
+#define strcspn(s, reject) \
+ (__extension__ (__builtin_constant_p (reject) && sizeof ((reject)[0]) == 1 \
+ ? ((reject)[0] == '\0' \
+ ? strlen (s) \
+ : ((reject)[1] == '\0' \
+ ? __strcspn_c1 (s, (((reject)[0] << 8) & 0xff00)) \
+ : __strcspn_cg (s, reject, strlen (reject)))) \
+ : __strcspn_g (s, reject)))
+
__STRING_INLINE size_t
-strcspn (__const char *__s, __const char *__reject)
+__strcspn_c1 (__const char *__s, int __reject)
{
register char *__res;
__asm__ __volatile__
- ("push %%ebx\n\t"
- "cld\n\t"
+ ("1:\n\t"
+ "movb (%0),%%al\n\t"
+ "leal 1(%0),%0\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "je 2f\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b\n"
+ "2:"
+ : "=r" (__res)
+ : "a" (__reject), "0" (__s)
+ : "ax", "cc");
+ return (__res - 1) - __s;
+}
+
+#ifdef __PIC__
+__STRING_INLINE size_t
+__strcspn_cg (__const char *__s, __const char __reject[], size_t __reject_len)
+{
+ register __const char *__res;
+ int __mem;
+ __asm__ __volatile__
+ ("movl %%ebx,%1\n\t"
+ "movl %%ecx,%%ebx\n\t"
+ "cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
"movl %4,%%edi\n\t"
+ "movl %%ebx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n"
+ "2:\n\t"
+ "movl %1,%%ebx"
+ : "=S" (__res), "=&m" (__mem)
+ : "c" (__reject_len), "0" (__s), "r" (__reject), "1" (__mem)
+ : "ax", "cx", "di", "cc");
+ return (__res - 1) - __s;
+}
+
+__STRING_INLINE size_t
+__strcspn_g (__const char *__s, __const char *__reject)
+{
+ register __const char *__res;
+ int __mem;
+ __asm__ __volatile__
+ ("movl %%ebx,%1\n\t"
+ "movl %5,%%edi\n\t"
+ "cld\n\t"
"repne; scasb\n\t"
"notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%ebx\n"
+ "leal -1(%%ecx),%%ebx\n"
"1:\n\t"
"lodsb\n\t"
"testb %%al,%%al\n\t"
"je 2f\n\t"
- "movl %4,%%edi\n\t"
+ "movl %5,%%edi\n\t"
"movl %%ebx,%%ecx\n\t"
"repne; scasb\n\t"
"jne 1b\n"
"2:\n\t"
- "popl %%ebx"
- : "=S" (__res)
- : "a" (0), "c" (0xffffffff), "0" (__s), "g" (__reject)
+ "movl %1,%%ebx"
+ : "=S" (__res), "=&m" (__mem)
+ : "a" (0), "c" (0xffffffff), "0" (__s), "r" (__reject), "1" (__mem)
: "ax", "cx", "di", "cc");
return (__res - 1) - __s;
}
#else
__STRING_INLINE size_t
-strcspn (__const char *__s, __const char *__reject)
+__strcspn_cg (__const char *__s, __const char __reject[], size_t __reject_len)
{
- register char *__res;
+ register __const char *__res;
+ __asm__ __volatile__
+ ("cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%ebx,%%edi\n\t"
+ "movl %%edx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n"
+ "2:"
+ : "=S" (__res)
+ : "d" (__reject_len), "0" (__s), "b" (__reject)
+ : "ax", "cx", "di", "cc");
+ return (__res - 1) - __s;
+}
+
+__STRING_INLINE size_t
+__strcspn_g (__const char *__s, __const char *__reject)
+{
+ register __const char *__res;
__asm__ __volatile__
("cld\n\t"
- "movl %4,%%edi\n\t"
"repne; scasb\n\t"
"notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%edx\n"
+ "leal -1(%%ecx),%%edx\n"
"1:\n\t"
"lodsb\n\t"
"testb %%al,%%al\n\t"
"je 2f\n\t"
- "movl %4,%%edi\n\t"
+ "movl %%ebx,%%edi\n\t"
"movl %%edx,%%ecx\n\t"
"repne; scasb\n\t"
"jne 1b\n"
"2:"
: "=S" (__res)
- : "a" (0), "c" (0xffffffff), "0" (__s), "g" (__reject)
+ : "a" (0), "c" (0xffffffff), "0" (__s), "b" (__reject), "D" (__reject)
: "ax", "cx", "dx", "di", "cc");
return (__res - 1) - __s;
}
@@ -661,57 +1058,129 @@ strcspn (__const char *__s, __const char *__reject)
/* Return the length of the initial segment of S which
consists entirely of characters in ACCEPT. */
-#ifdef __PIC__
+#define _HAVE_STRING_ARCH_strspn 1
+#define strspn(s, accept) \
+ (__extension__ (__builtin_constant_p (accept) && sizeof ((accept)[0]) == 1 \
+ ? ((accept)[0] == '\0' \
+ ? 0 \
+ : ((accept)[1] == '\0' \
+ ? __strspn_c1 (s, (((accept)[0] << 8 ) & 0xff00)) \
+ : __strspn_cg (s, accept, strlen (accept)))) \
+ : __strspn_g (s, accept)))
+
__STRING_INLINE size_t
-strspn (__const char *__s, __const char *__accept)
+__strspn_c1 (__const char *__s, int __accept)
{
register char *__res;
+ /* Please note that __accept never can be '\0'. */
__asm__ __volatile__
- ("pushl %%ebx\n\t"
+ ("1:\n\t"
+ "movb (%0),%%al\n\t"
+ "leal 1(%0),%0\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "je 1b\n"
+ "2:"
+ : "=r" (__res)
+ : "a" (__accept), "0" (__s)
+ : "ax", "cc");
+ return (__res - 1) - __s;
+}
+
+#ifdef __PIC__
+__STRING_INLINE size_t
+__strspn_cg (__const char *__s, __const char __accept[], size_t __accept_len)
+{
+ register __const char *__res;
+ int __mem;
+ __asm__ __volatile__
+ ("movl %%ebx,%1\n\t"
+ "movl %%ecx,%%ebx\n\t"
+ "cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%edx,%%edi\n\t"
+ "movl %%ebx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "je 1b\n"
+ "2:\n\t"
+ "movl %1,%%ebx"
+ : "=S" (__res), "=m" (__mem)
+ : "c" (__accept_len), "0" (__s), "d" (__accept), "1" (__mem)
+ : "ax", "cx", "di", "cc");
+ return (__res - 1) - __s;
+}
+
+__STRING_INLINE size_t
+__strspn_g (__const char *__s, __const char *__accept)
+{
+ register __const char *__res;
+ int __mem;
+ __asm__ __volatile__
+ ("movl %%ebx,%1\n\t"
"cld\n\t"
- "movl %4,%%edi\n\t"
"repne; scasb\n\t"
"notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%ebx\n"
+ "leal -1(%%ecx),%%ebx\n"
"1:\n\t"
"lodsb\n\t"
"testb %%al,%%al\n\t"
"je 2f\n\t"
- "movl %4,%%edi\n\t"
+ "movl %%edx,%%edi\n\t"
"movl %%ebx,%%ecx\n\t"
"repne; scasb\n\t"
"je 1b\n"
"2:\n\t"
- "popl %%ebx"
- : "=S" (__res)
- : "a" (0), "c" (0xffffffff), "0" (__s), "g" (__accept)
+ "movl %1,%%ebx"
+ : "=S" (__res), "=m" (__mem)
+ : "a" (0), "c" (0xffffffff), "0" (__s), "d" (__accept), "1" (__mem),
+ "D" (__accept)
: "ax", "cx", "di", "cc");
return (__res - 1) - __s;
}
#else
__STRING_INLINE size_t
-strspn (__const char *__s, __const char *__accept)
+__strspn_cg (__const char *__s, __const char __accept[], size_t __accept_len)
{
- register char *__res;
+ register __const char *__res;
+ __asm__ __volatile__
+ ("cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%ebx,%%edi\n\t"
+ "movl %%edx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "je 1b\n"
+ "2:"
+ : "=S" (__res)
+ : "d" (__accept_len), "0" (__s), "b" (__accept), "D" (__accept)
+ : "ax", "cx", "dx", "di", "cc");
+ return (__res - 1) - __s;
+}
+
+__STRING_INLINE size_t
+__strspn_g (__const char *__s, __const char *__accept)
+{
+ register __const char *__res;
__asm__ __volatile__
("cld\n\t"
- "movl %4,%%edi\n\t"
"repne; scasb\n\t"
"notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%edx\n"
+ "leal -1(%%ecx),%%edx\n"
"1:\n\t"
"lodsb\n\t"
"testb %%al,%%al\n\t"
"je 2f\n\t"
- "movl %4,%%edi\n\t"
+ "movl %%ebx,%%edi\n\t"
"movl %%edx,%%ecx\n\t"
"repne; scasb\n\t"
"je 1b\n"
"2:"
: "=S" (__res)
- : "a" (0), "c" (0xffffffff), "0" (__s), "g" (__accept)
+ : "a" (0), "c" (0xffffffff), "0" (__s), "b" (__accept), "D" (__accept)
: "ax", "cx", "dx", "di", "cc");
return (__res - 1) - __s;
}
@@ -719,24 +1188,63 @@ strspn (__const char *__s, __const char *__accept)
/* Find the first occurrence in S of any character in ACCEPT. */
+#define _HAVE_STRING_ARCH_strpbrk 1
+#define strpbrk(s, accept) \
+ (__extension__ (__builtin_constant_p (accept) && sizeof ((accept)[0]) == 1 \
+ ? ((accept)[0] == '\0' \
+ ? NULL \
+ : ((accept)[1] == '\0' \
+ ? strchr (s, (accept)[0]) \
+ : __strpbrk_cg (s, accept, strlen (accept)))) \
+ : __strpbrk_g (s, accept)))
+
#ifdef __PIC__
__STRING_INLINE char *
-strpbrk (__const char *__s, __const char *__accept)
+__strpbrk_cg (__const char *__s, __const char __accept[], size_t __accept_len)
{
register char *__res;
+ int __mem;
__asm__ __volatile__
- ("pushl %%ebx\n\t"
+ ("movl %%ebx,%1\n\t"
+ "movl %%ecx,%%ebx\n\t"
+ "cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%edx,%%edi\n\t"
+ "movl %%ebx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n\t"
+ "decl %0\n\t"
+ "jmp 3f\n"
+ "2:\n\t"
+ "xorl %0,%0\n"
+ "3:\n\t"
+ "movl %1,%%ebx"
+ : "=S" (__res), "=m" (__mem)
+ : "c" (__accept_len), "0" (__s), "d" (__accept), "1" (__mem)
+ : "ax", "cx", "di", "cc");
+ return __res;
+}
+
+__STRING_INLINE char *
+__strpbrk_g (__const char *__s, __const char *__accept)
+{
+ register char *__res;
+ int __mem;
+ __asm__ __volatile__
+ ("movl %%ebx,%1\n\t"
+ "movl %%edx,%%edi\n\t"
"cld\n\t"
- "movl %4,%%edi\n\t"
"repne; scasb\n\t"
"notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%ebx\n"
+ "leal -1(%%ecx),%%ebx\n"
"1:\n\t"
"lodsb\n\t"
"testb %%al,%%al\n\t"
"je 2f\n\t"
- "movl %4,%%edi\n\t"
+ "movl %%edx,%%edi\n\t"
"movl %%ebx,%%ecx\n\t"
"repne; scasb\n\t"
"jne 1b\n\t"
@@ -745,29 +1253,54 @@ strpbrk (__const char *__s, __const char *__accept)
"2:\n\t"
"xorl %0,%0\n"
"3:\n\t"
- "popl %%ebx"
- : "=S" (__res)
- : "a" (0), "c" (0xffffffff), "0" (__s), "g" (__accept)
+ "movl %1,%%ebx"
+ : "=S" (__res), "=m" (__mem)
+ : "a" (0), "c" (0xffffffff), "0" (__s), "d" (__accept), "1" (__mem)
: "ax", "cx", "di", "cc");
return __res;
}
#else
__STRING_INLINE char *
-strpbrk (__const char *__s, __const char *__accept)
+__strpbrk_cg (__const char *__s, __const char __accept[], size_t __accept_len)
{
register char *__res;
__asm__ __volatile__
- ("cld\n\t"
- "movl %4,%%edi\n\t"
+ ("movl %%ebx,%%edi\n\t"
+ "cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%ebx,%%edi\n\t"
+ "movl %%edx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n\t"
+ "decl %0\n\t"
+ "jmp 3f\n"
+ "2:\n\t"
+ "xorl %0,%0\n"
+ "3:"
+ : "=S" (__res)
+ : "d" (__accept_len), "0" (__s), "b" (__accept)
+ : "ax", "cx", "dx", "di", "cc");
+ return __res;
+}
+
+__STRING_INLINE char *
+__strpbrk_g (__const char *__s, __const char *__accept)
+{
+ register char *__res;
+ __asm__ __volatile__
+ ("movl %%ebx,%%edi\n\t"
+ "cld\n\t"
"repne; scasb\n\t"
"notl %%ecx\n\t"
- "decl %%ecx\n\t"
- "movl %%ecx,%%edx\n"
+ "leal -1(%%ecx),%%edx\n"
"1:\n\t"
"lodsb\n\t"
"testb %%al,%%al\n\t"
"je 2f\n\t"
- "movl %4,%%edi\n\t"
+ "movl %%ebx,%%edi\n\t"
"movl %%edx,%%ecx\n\t"
"repne; scasb\n\t"
"jne 1b\n\t"
@@ -777,7 +1310,7 @@ strpbrk (__const char *__s, __const char *__accept)
"xorl %0,%0\n"
"3:"
: "=S" (__res)
- : "a" (0), "c" (0xffffffff), "0" (__s), "g" (__accept)
+ : "a" (0), "c" (0xffffffff), "0" (__s), "b" (__accept)
: "ax", "cx", "dx", "di", "cc");
return __res;
}
@@ -785,63 +1318,138 @@ strpbrk (__const char *__s, __const char *__accept)
/* Find the first occurrence of NEEDLE in HAYSTACK. */
+#define _HAVE_STRING_ARCH_strstr 1
#ifdef __PIC__
+/* XXX GCC has problems to spill the registers. */
+# define strstr(haystack, needle) \
+ (__extension__ (__builtin_constant_p (needle) && sizeof ((needle)[0]) == 1 \
+ ? ((needle)[0] == '\0' \
+ ? haystack \
+ : ((needle)[1] == '\0' \
+ ? strchr (haystack, (needle)[0]) \
+ : strstr (haystack, needle))) \
+ : strstr (haystack, needle)))
+
+# if 0
+/* Please note that this function need not handle NEEDLEs with a
+ length shorter than two. */
__STRING_INLINE char *
-strstr (__const char *__haystack, __const char *__needle)
+__strstr_cg (__const char *__haystack, __const char __needle[],
+ size_t __needle_len)
{
register char *__res;
+ int __mem;
__asm__ __volatile__
- ("pushl %%ebx\n\t"
- "cld\n\t" \
- "movl %4,%%edi\n\t"
+ ("movl %%ebx,%1\n\t"
+ "movl %%ecx,%%ebx\n"
+ "cld\n" \
+ "1:\n\t"
+ "movl %%edx,%%edi\n\t"
+ "movl %%esi,%%eax\n\t"
+ "movl %%ebx,%%ecx\n\t"
+ "repe; cmpsb\n\t"
+ "je 2f\n\t"
+ "cmpb $0,-1(%%esi)\n\t"
+ "leal 1(%%eax),%%esi\n\t"
+ "jne 1b\n\t"
+ "xorl %%eax,%%eax\n"
+ "2:\n\t"
+ "movl %1,%%ebx"
+ : "=a" (__res), "=m" (__mem)
+ : "c" (__needle_len), "S" (__haystack), "d" (__needle), "1" (__mem)
+ : "cx", "di", "si", "cc");
+ return __res;
+}
+
+__STRING_INLINE char *
+__strstr_g (__const char *__haystack, __const char *__needle)
+{
+ register char *__res;
+ int __mem;
+ __asm__ __volatile__
+ ("movl %2,%%edi\n\t"
+ "cld\n\t"
"repne; scasb\n\t"
"notl %%ecx\n\t"
+ "movl %%ebx,%1\n\t"
"decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
"movl %%ecx,%%ebx\n"
"1:\n\t"
- "movl %4,%%edi\n\t"
+ "movl %%edx,%%edi\n\t"
"movl %%esi,%%eax\n\t"
"movl %%ebx,%%ecx\n\t"
"repe; cmpsb\n\t"
"je 2f\n\t" /* also works for empty string, see above */
- "xchgl %%eax,%%esi\n\t"
- "incl %%esi\n\t"
- "cmpb $0,-1(%%eax)\n\t"
+ "cmpb $0,-1(%%esi)\n\t"
+ "leal 1(%%eax),%%esi\n\t"
"jne 1b\n\t"
- "xorl %%eax,%%eax\n\t"
+ "xorl %%eax,%%eax\n"
"2:\n\t"
- "popl %%ebx"
- : "=a" (__res)
- : "0" (0), "c" (0xffffffff), "S" (__haystack), "g" (__needle)
+ "movl %1,%%ebx"
+ : "=a" (__res), "=&m" (__mem)
+ : "0" (0), "c" (0xffffffff), "S" (__haystack), "d" (__needle), "1" (__mem)
: "cx", "di", "si", "cc");
return __res;
}
+# endif
#else
+# define strstr(haystack, needle) \
+ (__extension__ (__builtin_constant_p (needle) && sizeof ((needle)[0]) == 1 \
+ ? ((needle)[0] == '\0' \
+ ? haystack \
+ : ((needle)[1] == '\0' \
+ ? strchr (haystack, (needle)[0]) \
+ : __strstr_cg (haystack, needle, strlen (needle)))) \
+ : __strstr_g (haystack, needle)))
+
__STRING_INLINE char *
-strstr (__const char *__haystack, __const char *__needle)
+__strstr_cg (__const char *__haystack, __const char __needle[],
+ size_t __needle_len)
{
register char *__res;
__asm__ __volatile__
- ("cld\n\t" \
- "movl %4,%%edi\n\t"
+ ("cld\n" \
+ "1:\n\t"
+ "movl %%ebx,%%edi\n\t"
+ "movl %%esi,%%eax\n\t"
+ "movl %%edx,%%ecx\n\t"
+ "repe; cmpsb\n\t"
+ "je 2f\n\t"
+ "cmpb $0,-1(%%esi)\n\t"
+ "leal 1(%%eax),%%esi\n\t"
+ "jne 1b\n\t"
+ "xorl %%eax,%%eax\n"
+ "2:"
+ : "=a" (__res)
+ : "d" (__needle_len), "S" (__haystack), "b" (__needle)
+ : "cx", "dx", "di", "si", "cc");
+ return __res;
+}
+
+__STRING_INLINE char *
+__strstr_g (__const char *__haystack, __const char *__needle)
+{
+ register char *__res;
+ __asm__ __volatile__
+ ("movl %1,%%edi\n\t"
+ "cld\n\t"
"repne; scasb\n\t"
"notl %%ecx\n\t"
"decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
"movl %%ecx,%%edx\n"
"1:\n\t"
- "movl %4,%%edi\n\t"
+ "movl %%ebx,%%edi\n\t"
"movl %%esi,%%eax\n\t"
"movl %%edx,%%ecx\n\t"
"repe; cmpsb\n\t"
"je 2f\n\t" /* also works for empty string, see above */
- "xchgl %%eax,%%esi\n\t"
- "incl %%esi\n\t"
- "cmpb $0,-1(%%eax)\n\t"
+ "cmpb $0,-1(%%esi)\n\t"
+ "leal 1(%%eax),%%esi\n\t"
"jne 1b\n\t"
- "xorl %%eax,%%eax\n\t"
+ "xorl %%eax,%%eax\n"
"2:"
: "=a" (__res)
- : "0" (0), "c" (0xffffffff), "S" (__haystack), "g" (__needle)
+ : "0" (0), "c" (0xffffffff), "S" (__haystack), "b" (__needle)
: "cx", "dx", "di", "si", "cc");
return __res;
}