Split up string.c, make internals hidden

libc/string/i386/Makefile.arch

@@ -5,33 +5,18 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-MSRC:=string.c
-MOBJ:=	strcpy.o strncpy.o strcat.o strncat.o strcmp.o \
-	strncmp.o strchr.o strrchr.o strlen.o strnlen.o \
-	memcpy.o memmove.o memchr.o memset.o 
-
 STRING_ARCH_DIR:=$(top_srcdir)libc/string/i386
 STRING_ARCH_OUT:=$(top_builddir)libc/string/i386
 
-STRING_ARCH_MSRC:=$(patsubst %.c,$(STRING_ARCH_DIR)/%.c,$(MSRC))
-STRING_ARCH_MOBJ:=$(patsubst %.o,$(STRING_ARCH_OUT)/%.o,$(MOBJ))
-
-STRING_ARCH_OBJS:=$(STRING_ARCH_MOBJ)
-
-#STRING_ARCH_DEF:=$(patsubst %,-DL_%,$(subst .o,,$(notdir $(STRING_ARCH_OBJS))))
-
-$(STRING_ARCH_MOBJ): $(STRING_ARCH_MSRC)
-	$(compile.m)
+STRING_ARCH_CSRC:=$(wildcard $(STRING_ARCH_DIR)/*.c)
+STRING_ARCH_COBJ:=$(patsubst $(STRING_ARCH_DIR)/%.c,$(STRING_ARCH_OUT)/%.o,$(STRING_ARCH_CSRC))
 
-$(STRING_ARCH_MOBJ:.o=.os): $(STRING_ARCH_MSRC)
-	$(compile.m)
+STRING_ARCH_OBJS:=$(STRING_ARCH_COBJ)
 
 libc-a-$(UCLIBC_HAS_STRING_ARCH_OPT)+=$(STRING_ARCH_OBJS)
 libc-so-$(UCLIBC_HAS_STRING_ARCH_OPT)+=$(STRING_ARCH_OBJS:.o=.os)
 
-#CFLAGS-multi-$(UCLIBC_HAS_STRING_ARCH_OPT)+=$(STRING_ARCH_DEF)
-#libc-multi-$(UCLIBC_HAS_STRING_ARCH_OPT)+=$(STRING_ARCH_MSRC)
-libc-nomulti-$(UCLIBC_HAS_STRING_ARCH_OPT)+=$(STRING_ARCH_OBJS)
+libc-multi-$(UCLIBC_HAS_STRING_ARCH_OPT)+=$(STRING_ARCH_CSRC)
 
 objclean-y+=string_arch_objclean
 

libc/string/i386/memchr.c

@@ -0,0 +1,52 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+void attribute_hidden *__memchr(const void *cs, int c, size_t count)
+{
+    int d0;
+    register void * __res;
+    if (!count)
+	return NULL;
+    __asm__ __volatile__(
+	    "repne\n\t"
+	    "scasb\n\t"
+	    "je 1f\n\t"
+	    "movl $1,%0\n"
+	    "1:\tdecl %0"
+	    :"=D" (__res), "=&c" (d0) : "a" (c),"0" (cs),"1" (count));
+    return __res;
+}
+
+strong_alias(__memchr, memchr)

libc/string/i386/memcpy.c

@@ -0,0 +1,54 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+void attribute_hidden *__memcpy(void * to, const void * from, size_t n)
+{
+    int d0, d1, d2;
+    __asm__ __volatile__(
+	    "rep ; movsl\n\t"
+	    "testb $2,%b4\n\t"
+	    "je 1f\n\t"
+	    "movsw\n"
+	    "1:\ttestb $1,%b4\n\t"
+	    "je 2f\n\t"
+	    "movsb\n"
+	    "2:"
+	    : "=&c" (d0), "=&D" (d1), "=&S" (d2)
+	    :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
+	    : "memory");
+    return (to);
+}
+
+strong_alias(__memcpy, memcpy)

libc/string/i386/memmove.c

@@ -0,0 +1,60 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+void attribute_hidden *__memmove(void *dest, const void *src, size_t n)
+{
+    int d0, d1, d2;
+    if (dest<src)
+	__asm__ __volatile__(
+		"rep\n\t"
+		"movsb"
+		: "=&c" (d0), "=&S" (d1), "=&D" (d2)
+		:"0" (n),"1" (src),"2" (dest)
+		: "memory");
+    else
+	__asm__ __volatile__(
+		"std\n\t"
+		"rep\n\t"
+		"movsb\n\t"
+		"cld"
+		: "=&c" (d0), "=&S" (d1), "=&D" (d2)
+		:"0" (n),
+		"1" (n-1+(const char *)src),
+		"2" (n-1+(char *)dest)
+		:"memory");
+    return dest;
+}
+
+strong_alias(__memmove, memmove)

libc/string/i386/memset.c

@@ -0,0 +1,48 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+void attribute_hidden *__memset(void *s, int c, size_t count)
+{
+    int d0, d1;
+    __asm__ __volatile__(
+	    "rep\n\t"
+	    "stosb"
+	    : "=&c" (d0), "=&D" (d1)
+	    :"a" (c),"1" (s),"0" (count)
+	    :"memory");
+    return s;
+}
+
+strong_alias(__memset, memset)

libc/string/i386/strcat.c

@@ -0,0 +1,52 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+char attribute_hidden *__strcat(char * dest, const char * src)
+{
+    int d0, d1, d2, d3;
+    __asm__ __volatile__(
+	    "repne\n\t"
+	    "scasb\n\t"
+	    "decl %1\n"
+	    "1:\tlodsb\n\t"
+	    "stosb\n\t"
+	    "testb %%al,%%al\n\t"
+	    "jne 1b"
+	    : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
+	    : "0" (src), "1" (dest), "2" (0), "3" (0xffffffff):"memory");
+    return dest;
+}
+
+strong_alias(__strcat, strcat)

libc/string/i386/strchr.c

@@ -0,0 +1,56 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+char attribute_hidden *__strchr(const char *s, int c)
+{
+    int d0;
+    register char * __res;
+    __asm__ __volatile__(
+	    "movb %%al,%%ah\n"
+	    "1:\tlodsb\n\t"
+	    "cmpb %%ah,%%al\n\t"
+	    "je 2f\n\t"
+	    "testb %%al,%%al\n\t"
+	    "jne 1b\n\t"
+	    "movl $1,%1\n"
+	    "2:\tmovl %1,%0\n\t"
+	    "decl %0"
+	    :"=a" (__res), "=&S" (d0) : "1" (s),"0" (c));
+    return __res;
+}
+
+strong_alias(__strchr, strchr)
+
+weak_alias(strchr, index)

libc/string/i386/strcmp.c

@@ -0,0 +1,61 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+#include <locale.h> /* for __LOCALE_C_ONLY */
+
+int attribute_hidden __strcmp(const char *cs, const char *ct)
+{
+    int d0, d1;
+    register int __res;
+    __asm__ __volatile__(
+	    "1:\tlodsb\n\t"
+	    "scasb\n\t"
+	    "jne 2f\n\t"
+	    "testb %%al,%%al\n\t"
+	    "jne 1b\n\t"
+	    "xorl %%eax,%%eax\n\t"
+	    "jmp 3f\n"
+	    "2:\tsbbl %%eax,%%eax\n\t"
+	    "orb $1,%%al\n"
+	    "3:"
+	    :"=a" (__res), "=&S" (d0), "=&D" (d1)
+	    :"1" (cs),"2" (ct));
+    return __res;
+}
+
+strong_alias(__strcmp, strcmp)
+
+#ifdef __LOCALE_C_ONLY
+weak_alias(strcmp, strcoll)
+#endif /* __LOCALE_C_ONLY */

libc/string/i386/strcpy.c

@@ -0,0 +1,49 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+char attribute_hidden *__strcpy(char * dest, const char * src)
+{
+    int d0, d1, d2;
+    __asm__ __volatile__(
+	    "1:\tlodsb\n\t"
+	    "stosb\n\t"
+	    "testb %%al,%%al\n\t"
+	    "jne 1b"
+	    : "=&S" (d0), "=&D" (d1), "=&a" (d2)
+	    :"0" (src),"1" (dest) : "memory");
+    return dest;
+}
+
+strong_alias(__strcpy, strcpy)

libc/string/i386/string.c

@@ -1,328 +0,0 @@
-/*
- * This string-include defines all string functions as inline
- * functions. Use gcc. It also assumes ds=es=data space, this should be
- * normal. Most of the string-functions are rather heavily hand-optimized,
- * see especially strtok,strstr,str[c]spn. They should work, but are not
- * very easy to understand. Everything is done entirely within the register
- * set, making the functions fast and clean. String instructions have been
- * used through-out, making for "slightly" unclear code :-)
- *
- *		NO Copyright (C) 1991, 1992 Linus Torvalds,
- *		consider these trivial functions to be PD.
- *
- * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
- * These make no attempt to use nifty things like mmx/3dnow/etc.
- * These are not inline, and will therefore not be as fast as
- * modifying the headers to use inlines (and cannot therefore
- * do tricky things when dealing with const memory).  But they
- * should (I hope!) be faster than their generic equivalents....
- *
- * More importantly, these should provide a good example for
- * others to follow when adding arch specific optimizations.
- *  -Erik
- */
-
-#define _GNU_SOURCE
-#include <string.h>
-#include <locale.h> /* for __LOCALE_C_ONLY */
-
-#ifdef L_strcpy
-char * strcpy(char * dest, const char * src)
-{
-    int d0, d1, d2;
-    __asm__ __volatile__(
-	    "1:\tlodsb\n\t"
-	    "stosb\n\t"
-	    "testb %%al,%%al\n\t"
-	    "jne 1b"
-	    : "=&S" (d0), "=&D" (d1), "=&a" (d2)
-	    :"0" (src),"1" (dest) : "memory");
-    return dest;
-}
-#endif
-
-
-#ifdef L_strncpy
-char * strncpy(char * dest, const char * src, size_t count)
-{
-    int d0, d1, d2, d3;
-    __asm__ __volatile__(
-	    "incl %2\n"
-	    "1:\n"
-	    "decl %2\n"
-	    "jz 2f\n"
-	    "lodsb\n\t"
-	    "stosb\n\t"
-	    "testb %%al,%%al\n\t"
-	    "jne 1b\n\t"
-	    "decl %2\n"
-	    "rep\n\t"
-	    "stosb\n"
-	    "2:"
-	    : "=&S" (d0), "=&D" (d1), "=&c" (d2), "=&a" (d3)
-	    :"0" (src),"1" (dest),"2" (count) : "memory");
-    return dest;
-}
-#endif
-
-
-#ifdef L_strcat
-char *strcat(char * dest, const char * src)
-{
-    int d0, d1, d2, d3;
-    __asm__ __volatile__(
-	    "repne\n\t"
-	    "scasb\n\t"
-	    "decl %1\n"
-	    "1:\tlodsb\n\t"
-	    "stosb\n\t"
-	    "testb %%al,%%al\n\t"
-	    "jne 1b"
-	    : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
-	    : "0" (src), "1" (dest), "2" (0), "3" (0xffffffff):"memory");
-    return dest;
-}
-#endif
-
-
-#ifdef L_strncat
-char *strncat(char * dest, 
-	const char * src, size_t count)
-{
-    int d0, d1, d2, d3;
-    __asm__ __volatile__(
-	    "repne\n\t"
-	    "scasb\n\t"
-	    "decl %1\n\t"
-	    "movl %8,%3\n"
-	    "incl %3\n"
-	    "1:\tdecl %3\n\t"
-	    "jz 2f\n"
-	    "lodsb\n\t"
-	    "stosb\n\t"
-	    "testb %%al,%%al\n\t"
-	    "jne 1b\n"
-	    "jmp 3f\n"
-	    "2:\txorl %2,%2\n\t"
-	    "stosb\n"
-	    "3:"
-	    : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
-	    : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
-	    : "memory");
-    return dest;
-}
-#endif
-
-
-#ifdef L_strcmp
-int strcmp(const char *cs, const char *ct)
-{
-    int d0, d1;
-    register int __res;
-    __asm__ __volatile__(
-	    "1:\tlodsb\n\t"
-	    "scasb\n\t"
-	    "jne 2f\n\t"
-	    "testb %%al,%%al\n\t"
-	    "jne 1b\n\t"
-	    "xorl %%eax,%%eax\n\t"
-	    "jmp 3f\n"
-	    "2:\tsbbl %%eax,%%eax\n\t"
-	    "orb $1,%%al\n"
-	    "3:"
-	    :"=a" (__res), "=&S" (d0), "=&D" (d1)
-	    :"1" (cs),"2" (ct));
-    return __res;
-}
-#ifdef __LOCALE_C_ONLY
-weak_alias(strcmp,strcoll);
-#endif /* __LOCALE_C_ONLY */
-#endif
-
-
-#ifdef L_strncmp
-int strncmp(const char *cs, const char *ct, size_t count)
-{
-    register int __res;
-    int d0, d1, d2;
-    __asm__ __volatile__(
-	    "incl %3\n"
-	    "1:\tdecl %3\n\t"
-	    "jz 2f\n"
-	    "lodsb\n\t"
-	    "scasb\n\t"
-	    "jne 3f\n\t"
-	    "testb %%al,%%al\n\t"
-	    "jne 1b\n"
-	    "2:\txorl %%eax,%%eax\n\t"
-	    "jmp 4f\n"
-	    "3:\tsbbl %%eax,%%eax\n\t"
-	    "orb $1,%%al\n"
-	    "4:"
-	    :"=a" (__res), "=&S" (d0), "=&D" (d1), "=&c" (d2)
-	    :"1" (cs),"2" (ct),"3" (count));
-    return __res;
-}
-#endif
-
-
-#ifdef L_strchr
-char * strchr(const char *s, int c)
-{
-    int d0;
-    register char * __res;
-    __asm__ __volatile__(
-	    "movb %%al,%%ah\n"
-	    "1:\tlodsb\n\t"
-	    "cmpb %%ah,%%al\n\t"
-	    "je 2f\n\t"
-	    "testb %%al,%%al\n\t"
-	    "jne 1b\n\t"
-	    "movl $1,%1\n"
-	    "2:\tmovl %1,%0\n\t"
-	    "decl %0"
-	    :"=a" (__res), "=&S" (d0) : "1" (s),"0" (c));
-    return __res;
-}
-weak_alias(strchr,index);
-#endif
-
-
-#ifdef L_strrchr
-char *strrchr(const char *s, int c)
-{
-    int d0, d1;
-    register char * __res;
-    __asm__ __volatile__(
-	    "movb %%al,%%ah\n"
-	    "1:\tlodsb\n\t"
-	    "cmpb %%ah,%%al\n\t"
-	    "jne 2f\n\t"
-	    "leal -1(%%esi),%0\n"
-	    "2:\ttestb %%al,%%al\n\t"
-	    "jne 1b"
-	    :"=g" (__res), "=&S" (d0), "=&a" (d1) :"0" (0),"1" (s),"2" (c));
-    return __res;
-}
-weak_alias(strrchr,rindex);
-#endif
-
-
-
-#ifdef L_strlen
-size_t strlen(const char *s)
-{
-    int d0;
-    register int __res;
-    __asm__ __volatile__(
-	    "repne\n\t"
-	    "scasb\n\t"
-	    "notl %0\n\t"
-	    "decl %0"
-	    :"=c" (__res), "=&D" (d0) :"1" (s),"a" (0), "0" (0xffffffff));
-    return __res;
-}
-#endif
-
-
-#ifdef L_strnlen
-size_t strnlen(const char *s, size_t count)
-{
-    int d0;
-    register int __res;
-    __asm__ __volatile__(
-	    "movl %2,%0\n\t"
-	    "incl %1\n"
-	    "jmp 2f\n"
-	    "1:\tcmpb $0,(%0)\n\t"
-	    "je 3f\n\t"
-	    "incl %0\n"
-	    "2:\tdecl %1\n\t"
-	    "jne 1b\n"
-	    "3:\tsubl %2,%0"
-	    :"=a" (__res), "=&d" (d0)
-	    :"c" (s),"1" (count));
-    return __res;
-}
-#endif
-
-
-#ifdef L_memcpy
-void *memcpy(void * to, const void * from, size_t n)
-{
-    int d0, d1, d2;
-    __asm__ __volatile__(
-	    "rep ; movsl\n\t"
-	    "testb $2,%b4\n\t"
-	    "je 1f\n\t"
-	    "movsw\n"
-	    "1:\ttestb $1,%b4\n\t"
-	    "je 2f\n\t"
-	    "movsb\n"
-	    "2:"
-	    : "=&c" (d0), "=&D" (d1), "=&S" (d2)
-	    :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
-	    : "memory");
-    return (to);
-}
-#endif
-
-
-#ifdef L_memmove
-void *memmove(void *dest, const void *src, size_t n)
-{
-    int d0, d1, d2;
-    if (dest<src)
-	__asm__ __volatile__(
-		"rep\n\t"
-		"movsb"
-		: "=&c" (d0), "=&S" (d1), "=&D" (d2)
-		:"0" (n),"1" (src),"2" (dest)
-		: "memory");
-    else
-	__asm__ __volatile__(
-		"std\n\t"
-		"rep\n\t"
-		"movsb\n\t"
-		"cld"
-		: "=&c" (d0), "=&S" (d1), "=&D" (d2)
-		:"0" (n),
-		"1" (n-1+(const char *)src),
-		"2" (n-1+(char *)dest)
-		:"memory");
-    return dest;
-}
-#endif
-
-#ifdef L_memchr
-void *memchr(const void *cs, int c, size_t count)
-{
-    int d0;
-    register void * __res;
-    if (!count)
-	return NULL;
-    __asm__ __volatile__(
-	    "repne\n\t"
-	    "scasb\n\t"
-	    "je 1f\n\t"
-	    "movl $1,%0\n"
-	    "1:\tdecl %0"
-	    :"=D" (__res), "=&c" (d0) : "a" (c),"0" (cs),"1" (count));
-    return __res;
-}
-#endif
-
-#ifdef L_memset
-void *memset(void *s, int c, size_t count)
-{
-    int d0, d1;
-    __asm__ __volatile__(
-	    "rep\n\t"
-	    "stosb"
-	    : "=&c" (d0), "=&D" (d1)
-	    :"a" (c),"1" (s),"0" (count)
-	    :"memory");
-    return s;
-}
-#endif
-

libc/string/i386/strlen.c

@@ -0,0 +1,49 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+size_t attribute_hidden __strlen(const char *s)
+{
+    int d0;
+    register int __res;
+    __asm__ __volatile__(
+	    "repne\n\t"
+	    "scasb\n\t"
+	    "notl %0\n\t"
+	    "decl %0"
+	    :"=c" (__res), "=&D" (d0) :"1" (s),"a" (0), "0" (0xffffffff));
+    return __res;
+}
+
+strong_alias(__strlen, strlen)

libc/string/i386/strncat.c

@@ -0,0 +1,62 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+char attribute_hidden *__strncat(char * dest, 
+	const char * src, size_t count)
+{
+    int d0, d1, d2, d3;
+    __asm__ __volatile__(
+	    "repne\n\t"
+	    "scasb\n\t"
+	    "decl %1\n\t"
+	    "movl %8,%3\n"
+	    "incl %3\n"
+	    "1:\tdecl %3\n\t"
+	    "jz 2f\n"
+	    "lodsb\n\t"
+	    "stosb\n\t"
+	    "testb %%al,%%al\n\t"
+	    "jne 1b\n"
+	    "jmp 3f\n"
+	    "2:\txorl %2,%2\n\t"
+	    "stosb\n"
+	    "3:"
+	    : "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
+	    : "0" (src),"1" (dest),"2" (0),"3" (0xffffffff), "g" (count)
+	    : "memory");
+    return dest;
+}
+
+strong_alias(__strncat, strncat)

libc/string/i386/strncmp.c

@@ -0,0 +1,59 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+int attribute_hidden __strncmp(const char *cs, const char *ct, size_t count)
+{
+    register int __res;
+    int d0, d1, d2;
+    __asm__ __volatile__(
+	    "incl %3\n"
+	    "1:\tdecl %3\n\t"
+	    "jz 2f\n"
+	    "lodsb\n\t"
+	    "scasb\n\t"
+	    "jne 3f\n\t"
+	    "testb %%al,%%al\n\t"
+	    "jne 1b\n"
+	    "2:\txorl %%eax,%%eax\n\t"
+	    "jmp 4f\n"
+	    "3:\tsbbl %%eax,%%eax\n\t"
+	    "orb $1,%%al\n"
+	    "4:"
+	    :"=a" (__res), "=&S" (d0), "=&D" (d1), "=&c" (d2)
+	    :"1" (cs),"2" (ct),"3" (count));
+    return __res;
+}
+
+strong_alias(__strncmp, strncmp)

libc/string/i386/strncpy.c

@@ -0,0 +1,57 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+char attribute_hidden *__strncpy(char * dest, const char * src, size_t count)
+{
+    int d0, d1, d2, d3;
+    __asm__ __volatile__(
+	    "incl %2\n"
+	    "1:\n"
+	    "decl %2\n"
+	    "jz 2f\n"
+	    "lodsb\n\t"
+	    "stosb\n\t"
+	    "testb %%al,%%al\n\t"
+	    "jne 1b\n\t"
+	    "decl %2\n"
+	    "rep\n\t"
+	    "stosb\n"
+	    "2:"
+	    : "=&S" (d0), "=&D" (d1), "=&c" (d2), "=&a" (d3)
+	    :"0" (src),"1" (dest),"2" (count) : "memory");
+    return dest;
+}
+
+strong_alias(__strncpy, strncpy)

libc/string/i386/strnlen.c

@@ -0,0 +1,55 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+size_t attribute_hidden __strnlen(const char *s, size_t count)
+{
+    int d0;
+    register int __res;
+    __asm__ __volatile__(
+	    "movl %2,%0\n\t"
+	    "incl %1\n"
+	    "jmp 2f\n"
+	    "1:\tcmpb $0,(%0)\n\t"
+	    "je 3f\n\t"
+	    "incl %0\n"
+	    "2:\tdecl %1\n\t"
+	    "jne 1b\n"
+	    "3:\tsubl %2,%0"
+	    :"=a" (__res), "=&d" (d0)
+	    :"c" (s),"1" (count));
+    return __res;
+}
+
+strong_alias(__strnlen, strnlen)

libc/string/i386/strrchr.c

@@ -0,0 +1,54 @@
+/*
+ * This string-include defines all string functions as inline
+ * functions. Use gcc. It also assumes ds=es=data space, this should be
+ * normal. Most of the string-functions are rather heavily hand-optimized,
+ * see especially strtok,strstr,str[c]spn. They should work, but are not
+ * very easy to understand. Everything is done entirely within the register
+ * set, making the functions fast and clean. String instructions have been
+ * used through-out, making for "slightly" unclear code :-)
+ *
+ *		NO Copyright (C) 1991, 1992 Linus Torvalds,
+ *		consider these trivial functions to be PD.
+ */
+
+/*
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+/*
+ * Modified for uClibc by Erik Andersen <andersen@codepoet.org>
+ * These make no attempt to use nifty things like mmx/3dnow/etc.
+ * These are not inline, and will therefore not be as fast as
+ * modifying the headers to use inlines (and cannot therefore
+ * do tricky things when dealing with const memory).  But they
+ * should (I hope!) be faster than their generic equivalents....
+ *
+ * More importantly, these should provide a good example for
+ * others to follow when adding arch specific optimizations.
+ *  -Erik
+ */
+
+#define _GNU_SOURCE
+#include <string.h>
+
+char attribute_hidden *__strrchr(const char *s, int c)
+{
+    int d0, d1;
+    register char * __res;
+    __asm__ __volatile__(
+	    "movb %%al,%%ah\n"
+	    "1:\tlodsb\n\t"
+	    "cmpb %%ah,%%al\n\t"
+	    "jne 2f\n\t"
+	    "leal -1(%%esi),%0\n"
+	    "2:\ttestb %%al,%%al\n\t"
+	    "jne 1b"
+	    :"=g" (__res), "=&S" (d0), "=&a" (d1) :"0" (0),"1" (s),"2" (c));
+    return __res;
+}
+
+strong_alias(__strrchr, strrchr)
+
+weak_alias(__strrchr, rindex)