2003-02-04 15:51:36 +08:00
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/* Copy memory block and return pointer to beginning of destination block
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For Intel 80x86, x>=6.
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This file is part of the GNU C Library.
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Copyright (C) 2003 Free Software Foundation, Inc.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include "asm-syntax.h"
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#include "bp-sym.h"
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#include "bp-asm.h"
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#define PARMS LINKAGE+4 /* one spilled register */
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#define RTN PARMS
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#define DEST RTN+RTN_SIZE
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#define SRC DEST+PTR_SIZE
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#define LEN SRC+PTR_SIZE
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.text
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ENTRY (BP_SYM (memmove))
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ENTER
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pushl %edi
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movl LEN(%esp), %ecx
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movl DEST(%esp), %edi
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movl %esi, %edx
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movl SRC(%esp), %esi
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CHECK_BOUNDS_BOTH_WIDE (%edi, DEST(%esp), %ecx)
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CHECK_BOUNDS_BOTH_WIDE (%esi, SRC(%esp), %ecx)
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movl %edi, %eax
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subl %esi, %eax
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cmpl %eax, %edi
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jae 3f
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cld
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shrl $1, %ecx
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jnc 1f
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movsb
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1: shrl $1, %ecx
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jnc 2f
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movsw
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2: rep
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movsl
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movl %edx, %esi
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movl DEST(%esp), %eax
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RETURN_BOUNDED_POINTER (DEST(%esp))
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popl %edi
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LEAVE
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RET_PTR
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/* Backward copying. */
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3: std
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leal -1(%edi, %ecx), %edi
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leal -1(%esi, %ecx), %esi
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shrl $1, %ecx
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jnc 1f
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movsb
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1: subl $1, %edi
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subl $1, %esi
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shrl $1, %ecx
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jnc 2f
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movsw
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2: subl $2, %edi
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subl $2, %esi
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rep
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movsl
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movl %edx, %esi
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movl DEST(%esp), %eax
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RETURN_BOUNDED_POINTER (DEST(%esp))
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cld
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popl %edi
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LEAVE
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RET_PTR
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END (BP_SYM (memmove))
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Update.
* sysdeps/i386/fpu/ftestexcept.c: Also check SSE status word.
* include/signal.h: Use libc_hidden_proto for sigaddset and sigdelset.
* signal/sigaddset.c: Add libc_hidden_def.
* signal/sigdelset.c: Likewise.
2003-04-29 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/i486/string-inlines.c (__memcpy_g, __strchr_g): Move
to the end of the file.
* configure.in: Change __oline__ to $LINENO.
(HAVE_BUILTIN_REDIRECTION): New check.
* config.h.in (HAVE_BUILTIN_REDIRECTION): Add.
* include/libc-symbols.h (libc_hidden_builtin_proto,
libc_hidden_builtin_def, libc_hidden_builtin_weak,
libc_hidden_builtin_ver): Define.
* include/string.h (memchr, memcpy, memmove, memset, strcat, strchr,
strcmp, strcpy, strcspn, strlen, strncmp, strncpy, strpbrk, strrchr,
strspn, strstr): Add libc_hidden_builtin_proto.
* intl/plural.y: Include string.h.
* sysdeps/alpha/alphaev6/memchr.S (memchr): Add
libc_hidden_builtin_def.
* sysdeps/alpha/alphaev6/memcpy.S (memcpy): Likewise.
* sysdeps/alpha/alphaev6/memset.S (memset): Likewise.
* sysdeps/alpha/alphaev67/strcat.S (strcat): Likewise.
* sysdeps/alpha/alphaev67/strchr.S (strchr): Likewise.
* sysdeps/alpha/alphaev67/strlen.S (strlen): Likewise.
* sysdeps/alpha/alphaev67/strrchr.S (strrchr): Likewise.
* sysdeps/alpha/memchr.S (memchr): Likewise.
* sysdeps/alpha/memset.S (memset): Likewise.
* sysdeps/alpha/strcat.S (strcat): Likewise.
* sysdeps/alpha/strchr.S (strchr): Likewise.
* sysdeps/alpha/strcmp.S (strcmp): Likewise.
* sysdeps/alpha/strcpy.S (strcpy): Likewise.
* sysdeps/alpha/strlen.S (strlen): Likewise.
* sysdeps/alpha/strncmp.S (strncmp): Likewise.
* sysdeps/alpha/strncpy.S (strncpy): Likewise.
* sysdeps/alpha/strrchr.S (strrchr): Likewise.
* sysdeps/arm/memset.S (memset): Likewise.
* sysdeps/arm/strlen.S (strlen): Likewise.
* sysdeps/generic/memchr.c (memchr): Likewise.
* sysdeps/generic/memcpy.c (memcpy): Likewise.
* sysdeps/generic/memmove.c (memmove): Likewise.
* sysdeps/generic/memset.c (memset): Likewise.
* sysdeps/generic/strcat.c (strcat): Likewise.
* sysdeps/generic/strchr.c (strchr): Likewise.
* sysdeps/generic/strcmp.c (strcmp): Likewise.
* sysdeps/generic/strcpy.c (strcpy): Likewise.
* sysdeps/generic/strcspn.c (strcspn): Likewise.
* sysdeps/generic/strlen.c (strlen): Likewise.
* sysdeps/generic/strncmp.c (strncmp): Likewise.
* sysdeps/generic/strncpy.c (strncpy): Likewise.
* sysdeps/generic/strpbrk.c (strpbrk): Likewise.
* sysdeps/generic/strrchr.c (strrchr): Likewise.
* sysdeps/generic/strspn.c (strspn): Likewise.
* sysdeps/generic/strstr.c (strstr): Likewise.
* sysdeps/i386/i486/strcat.S (strcat): Likewise.
* sysdeps/i386/i486/strlen.S (strlen): Likewise.
* sysdeps/i386/i586/memcpy.S (memcpy): Likewise.
* sysdeps/i386/i586/memset.S (memset): Likewise.
* sysdeps/i386/i586/strchr.S (strchr): Likewise.
* sysdeps/i386/i586/strcpy.S (strcpy): Likewise.
* sysdeps/i386/i586/strlen.S (strlen): Likewise.
* sysdeps/i386/i686/memcpy.S (memcpy): Likewise.
* sysdeps/i386/i686/memmove.S (memmove): Likewise.
* sysdeps/i386/i686/memset.S (memset): Likewise.
* sysdeps/i386/i686/strcmp.S (strcmp): Likewise.
* sysdeps/i386/memchr.S (memchr): Likewise.
* sysdeps/i386/memset.c (memset): Likewise.
* sysdeps/i386/strchr.S (strchr): Likewise.
* sysdeps/i386/strcspn.S (strcspn): Likewise.
* sysdeps/i386/strlen.c (strlen): Likewise.
* sysdeps/i386/strpbrk.S (strpbrk): Likewise.
* sysdeps/i386/strrchr.S (strrchr): Likewise.
* sysdeps/i386/strspn.S (strspn): Likewise.
* sysdeps/ia64/memchr.S (memchr): Likewise.
* sysdeps/ia64/memcpy.S (memcpy): Likewise.
* sysdeps/ia64/memmove.S (memmove): Likewise.
* sysdeps/ia64/memset.S (memset): Likewise.
* sysdeps/ia64/strcat.S (strcat): Likewise.
* sysdeps/ia64/strchr.S (strchr): Likewise.
* sysdeps/ia64/strcmp.S (strcmp): Likewise.
* sysdeps/ia64/strcpy.S (strcpy): Likewise.
* sysdeps/ia64/strlen.S (strlen): Likewise.
* sysdeps/ia64/strncmp.S (strncmp): Likewise.
* sysdeps/ia64/strncpy.S (strncpy): Likewise.
* sysdeps/m68k/memchr.S (memchr): Likewise.
* sysdeps/m68k/strchr.S (strchr): Likewise.
* sysdeps/mips/mips64/memcpy.S (memcpy): Likewise.
* sysdeps/mips/mips64/memset.S (memset): Likewise.
* sysdeps/mips/memcpy.S (memcpy): Likewise.
* sysdeps/mips/memset.S (memset): Likewise.
* sysdeps/powerpc/powerpc32/memset.S (memset): Likewise.
* sysdeps/powerpc/powerpc32/strchr.S (strchr): Likewise.
* sysdeps/powerpc/powerpc32/strcmp.S (strcmp): Likewise.
* sysdeps/powerpc/powerpc32/strcpy.S (strcpy): Likewise.
* sysdeps/powerpc/powerpc32/strlen.S (strlen): Likewise.
* sysdeps/powerpc/powerpc64/memcpy.S (memcpy): Likewise.
* sysdeps/powerpc/powerpc64/memset.S (memset): Likewise.
* sysdeps/powerpc/powerpc64/strchr.S (strchr): Likewise.
* sysdeps/powerpc/powerpc64/strcmp.S (strcmp): Likewise.
* sysdeps/powerpc/powerpc64/strcpy.S (strcpy): Likewise.
* sysdeps/powerpc/powerpc64/strlen.S (strlen): Likewise.
* sysdeps/powerpc/strcat.c (strcat): Likewise.
* sysdeps/sparc/sparc32/memchr.S (memchr): Likewise.
* sysdeps/sparc/sparc32/memcpy.S (memcpy): Likewise.
* sysdeps/sparc/sparc32/memset.S (memset): Likewise.
* sysdeps/sparc/sparc32/strcat.S (strcat): Likewise.
* sysdeps/sparc/sparc32/strchr.S (strchr, strrchr): Likewise.
* sysdeps/sparc/sparc32/strcmp.S (strcmp): Likewise.
* sysdeps/sparc/sparc32/strcpy.S (strcpy): Likewise.
* sysdeps/sparc/sparc32/strlen.S (strlen): Likewise.
* sysdeps/sparc/sparc64/sparcv9b/memcpy.S (memcpy, memmove): Likewise.
* sysdeps/sparc/sparc64/memchr.S (memchr): Likewise.
* sysdeps/sparc/sparc64/memcpy.S (memcpy, memmove): Likewise.
* sysdeps/sparc/sparc64/memset.S (memset): Likewise.
* sysdeps/sparc/sparc64/strcat.S (strcat): Likewise.
* sysdeps/sparc/sparc64/strchr.S (strchr, strrchr): Likewise.
* sysdeps/sparc/sparc64/strcmp.S (strcmp): Likewise.
* sysdeps/sparc/sparc64/strcpy.S (strcpy): Likewise.
* sysdeps/sparc/sparc64/strcspn.S (strcspn): Likewise.
* sysdeps/sparc/sparc64/strlen.S (strlen): Likewise.
* sysdeps/sparc/sparc64/strncmp.S (strncmp): Likewise.
* sysdeps/sparc/sparc64/strncpy.S (strncpy): Likewise.
* sysdeps/sparc/sparc64/strpbrk.S (strpbrk): Likewise.
* sysdeps/sparc/sparc64/strspn.S (strspn): Likewise.
* sysdeps/sh/memcpy.S (memcpy): Likewise.
* sysdeps/sh/memset.S (memset): Likewise.
* sysdeps/sh/strlen.S (strlen): Likewise.
* sysdeps/s390/s390-32/memchr.S (memchr): Likewise.
* sysdeps/s390/s390-32/memcpy.S (memcpy): Likewise.
* sysdeps/s390/s390-32/memset.S (memset): Likewise.
* sysdeps/s390/s390-32/strcmp.S (strcmp): Likewise.
* sysdeps/s390/s390-32/strcpy.S (strcpy): Likewise.
* sysdeps/s390/s390-32/strncpy.S (strncpy): Likewise.
* sysdeps/s390/s390-64/memchr.S (memchr): Likewise.
* sysdeps/s390/s390-64/memcpy.S (memcpy): Likewise.
* sysdeps/s390/s390-64/memset.S (memset): Likewise.
* sysdeps/s390/s390-64/strcmp.S (strcmp): Likewise.
* sysdeps/s390/s390-64/strcpy.S (strcpy): Likewise.
* sysdeps/s390/s390-64/strncpy.S (strncpy): Likewise.
* sysdeps/x86_64/memcpy.S (memcpy): Likewise.
* sysdeps/x86_64/memset.S (memset): Likewise.
* sysdeps/x86_64/strcat.S (strcat): Likewise.
* sysdeps/x86_64/strchr.S (strchr): Likewise.
* sysdeps/x86_64/strcmp.S (strcmp): Likewise.
* sysdeps/x86_64/strcpy.S (strcpy): Likewise.
* sysdeps/x86_64/strcspn.S (strcspn): Likewise.
* sysdeps/x86_64/strlen.S (strlen): Likewise.
* sysdeps/x86_64/strspn.S (strspn): Likewise.
* string/string-inlines.c: Move...
* sysdeps/generic/string-inlines.c: ...here.
(__memcpy_g, __strchr_g): Remove.
(__NO_INLINE__): Define before including <string.h>,
undefine after. Include bits/string.h and bits/string2.h.
* sysdeps/i386/i486/string-inlines.c: New file.
* sysdeps/i386/string-inlines.c: New file.
* sysdeps/i386/i486/Versions: Remove.
All GLIBC_2.1.1 symbols moved...
* sysdeps/i386/Versions (libc): ...here.
2003-04-29 Ulrich Drepper <drepper@redhat.com>
2003-04-30 06:49:58 +08:00
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libc_hidden_builtin_def (memmove)
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