mirror of
https://github.com/reactos/reactos.git
synced 2024-12-27 01:24:38 +00:00
Fixed some problems to make the mingw32 header files work with the
linux header files. svn path=/trunk/; revision=265
This commit is contained in:
Boudewijn Dekker
parent
b57dd9d5b6
commit
e66f3f0e7b
3 changed files with 742 additions and 8 deletions
|
|
@ -28,9 +28,9 @@
|
|||
* DISCLAMED. This includes but is not limited to warranties of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* $Revision: 1.2 $
|
||||
* $Revision: 1.3 $
|
||||
* $Author: ariadne $
|
||||
* $Date: 1999/02/21 17:43:45 $
|
||||
* $Date: 1999/02/21 20:59:55 $
|
||||
*
|
||||
*/
|
||||
|
||||
|
|
@ -83,8 +83,6 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
|
|||
* Unsigned type of `sizeof' something.
|
||||
*/
|
||||
|
||||
#ifndef _LINUX_TYPES_H
|
||||
#define _LINUX_TYPES_H
|
||||
|
||||
/* Define this type if we are doing the whole job,
|
||||
* or if we want this type in particular. */
|
||||
|
|
@ -104,7 +102,6 @@ typedef __SIZE_TYPE__ size_t;
|
|||
|
||||
#endif /* _STDDEF_H_ or __need_size_t. */
|
||||
|
||||
#endif
|
||||
/* Wide character type.
|
||||
Locale-writers should change this as necessary to
|
||||
be big enough to hold unique values not between 0 and 127,
|
||||
|
|
|
|||
|
|
@ -18,13 +18,16 @@
|
|||
* DISCLAMED. This includes but is not limited to warranties of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*
|
||||
* $Revision: 1.4 $
|
||||
* $Revision: 1.5 $
|
||||
* $Author: ariadne $
|
||||
* $Date: 1999/02/21 17:43:45 $
|
||||
* $Date: 1999/02/21 20:59:55 $
|
||||
*
|
||||
*/
|
||||
/* Appropriated for Reactos Crtdll by Ariadne */
|
||||
/* changed prototype for _strerror */
|
||||
#ifndef _LINUX_WSTRING_H_
|
||||
#define _LINUX_WSTRING_H_
|
||||
|
||||
#ifndef _LINUX_STRING_H_
|
||||
#define _LINUX_STRING_H_
|
||||
|
||||
|
|
@ -43,6 +46,8 @@ extern "C" {
|
|||
#define __need_NULL
|
||||
#include <stddef.h>
|
||||
|
||||
char * ___strtok; // removed extern specifier 02-06-98, BD
|
||||
|
||||
/*
|
||||
* Prototypes of the ANSI Standard C library string functions.
|
||||
*/
|
||||
|
|
@ -183,9 +188,734 @@ wchar_t* wcsupr (wchar_t* wsToConvert);
|
|||
#endif /* Not strict ANSI */
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* Include machine specific inline routines
|
||||
*/
|
||||
#ifndef _I386_STRING_H_
|
||||
#define _I386_STRING_H_
|
||||
|
||||
/*
|
||||
* On a 486 or Pentium, we are better off not using the
|
||||
* byte string operations. But on a 386 or a PPro the
|
||||
* byte string ops are faster than doing it by hand
|
||||
* (MUCH faster on a Pentium).
|
||||
*
|
||||
* Also, the byte strings actually work correctly. Forget
|
||||
* the i486 routines for now as they may be broken..
|
||||
*/
|
||||
#if FIXED_486_STRING && (CPU == 486 || CPU == 586)
|
||||
#include <asm/string-486.h>
|
||||
#else
|
||||
|
||||
/*
|
||||
* 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 :-)
|
||||
*
|
||||
* Copyright (C) 1991, 1992 Linus Torvalds
|
||||
*/
|
||||
|
||||
#define __HAVE_ARCH_STRCPY
|
||||
extern inline char * strcpy(char * dest,const char *src)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
"cld\n"
|
||||
"1:\tlodsb\n\t"
|
||||
"stosb\n\t"
|
||||
"testb %%al,%%al\n\t"
|
||||
"jne 1b"
|
||||
: /* no output */
|
||||
:"S" (src),"D" (dest):"si","di","ax","memory");
|
||||
return dest;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRNCPY
|
||||
extern inline char * strncpy(char * dest,const char *src,size_t count)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
"cld\n"
|
||||
"1:\tdecl %2\n\t"
|
||||
"js 2f\n\t"
|
||||
"lodsb\n\t"
|
||||
"stosb\n\t"
|
||||
"testb %%al,%%al\n\t"
|
||||
"jne 1b\n\t"
|
||||
"rep\n\t"
|
||||
"stosb\n"
|
||||
"2:"
|
||||
: /* no output */
|
||||
:"S" (src),"D" (dest),"c" (count):"si","di","ax","cx","memory");
|
||||
return dest;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRCAT
|
||||
extern inline char * strcat(char * dest,const char * src)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"decl %1\n"
|
||||
"1:\tlodsb\n\t"
|
||||
"stosb\n\t"
|
||||
"testb %%al,%%al\n\t"
|
||||
"jne 1b"
|
||||
: /* no output */
|
||||
:"S" (src),"D" (dest),"a" (0),"c" (0xffffffff):"si","di","ax","cx");
|
||||
return dest;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRNCAT
|
||||
extern inline char * strncat(char * dest,const char * src,size_t count)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"decl %1\n\t"
|
||||
"movl %4,%3\n"
|
||||
"1:\tdecl %3\n\t"
|
||||
"js 2f\n\t"
|
||||
"lodsb\n\t"
|
||||
"stosb\n\t"
|
||||
"testb %%al,%%al\n\t"
|
||||
"jne 1b\n"
|
||||
"2:\txorl %2,%2\n\t"
|
||||
"stosb"
|
||||
: /* no output */
|
||||
:"S" (src),"D" (dest),"a" (0),"c" (0xffffffff),"g" (count)
|
||||
:"si","di","ax","cx","memory");
|
||||
return dest;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRCMP
|
||||
extern inline int strcmp(const char * cs,const char * ct)
|
||||
{
|
||||
register int __res;
|
||||
__asm__ __volatile__(
|
||||
"cld\n"
|
||||
"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,%%eax\n"
|
||||
"3:"
|
||||
:"=a" (__res):"S" (cs),"D" (ct):"si","di");
|
||||
return __res;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRNCMP
|
||||
extern inline int strncmp(const char * cs,const char * ct,size_t count)
|
||||
{
|
||||
register int __res;
|
||||
__asm__ __volatile__(
|
||||
"cld\n"
|
||||
"1:\tdecl %3\n\t"
|
||||
"js 2f\n\t"
|
||||
"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" (cs),"D" (ct),"c" (count):"si","di","cx");
|
||||
return __res;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRCHR
|
||||
extern inline char * strchr(const char * s, int c)
|
||||
{
|
||||
register char * __res;
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"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" (s),"0" (c):"si");
|
||||
return __res;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRRCHR
|
||||
extern inline char * strrchr(const char * s, int c)
|
||||
{
|
||||
register char * __res;
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"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"
|
||||
:"=d" (__res):"0" (0),"S" (s),"a" (c):"ax","si");
|
||||
return __res;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRSPN
|
||||
extern inline size_t strspn(const char * cs, const char * ct)
|
||||
{
|
||||
register char * __res;
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"movl %4,%%edi\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"notl %%ecx\n\t"
|
||||
"decl %%ecx\n\t"
|
||||
"movl %%ecx,%%edx\n"
|
||||
"1:\tlodsb\n\t"
|
||||
"testb %%al,%%al\n\t"
|
||||
"je 2f\n\t"
|
||||
"movl %4,%%edi\n\t"
|
||||
"movl %%edx,%%ecx\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"je 1b\n"
|
||||
"2:\tdecl %0"
|
||||
:"=S" (__res):"a" (0),"c" (0xffffffff),"0" (cs),"g" (ct)
|
||||
:"ax","cx","dx","di");
|
||||
return __res-cs;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRCSPN
|
||||
extern inline size_t strcspn(const char * cs, const char * ct)
|
||||
{
|
||||
register char * __res;
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"movl %4,%%edi\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"notl %%ecx\n\t"
|
||||
"decl %%ecx\n\t"
|
||||
"movl %%ecx,%%edx\n"
|
||||
"1:\tlodsb\n\t"
|
||||
"testb %%al,%%al\n\t"
|
||||
"je 2f\n\t"
|
||||
"movl %4,%%edi\n\t"
|
||||
"movl %%edx,%%ecx\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"jne 1b\n"
|
||||
"2:\tdecl %0"
|
||||
:"=S" (__res):"a" (0),"c" (0xffffffff),"0" (cs),"g" (ct)
|
||||
:"ax","cx","dx","di");
|
||||
return __res-cs;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRPBRK
|
||||
extern inline char * strpbrk(const char * cs,const char * ct)
|
||||
{
|
||||
register char * __res;
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"movl %4,%%edi\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"notl %%ecx\n\t"
|
||||
"decl %%ecx\n\t"
|
||||
"movl %%ecx,%%edx\n"
|
||||
"1:\tlodsb\n\t"
|
||||
"testb %%al,%%al\n\t"
|
||||
"je 2f\n\t"
|
||||
"movl %4,%%edi\n\t"
|
||||
"movl %%edx,%%ecx\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"jne 1b\n\t"
|
||||
"decl %0\n\t"
|
||||
"jmp 3f\n"
|
||||
"2:\txorl %0,%0\n"
|
||||
"3:"
|
||||
:"=S" (__res):"a" (0),"c" (0xffffffff),"0" (cs),"g" (ct)
|
||||
:"ax","cx","dx","di");
|
||||
return __res;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRSTR
|
||||
extern inline char * strstr(const char * cs,const char * ct)
|
||||
{
|
||||
register char * __res;
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t" \
|
||||
"movl %4,%%edi\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"notl %%ecx\n\t"
|
||||
"decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
|
||||
"movl %%ecx,%%edx\n"
|
||||
"1:\tmovl %4,%%edi\n\t"
|
||||
"movl %%esi,%%eax\n\t"
|
||||
"movl %%edx,%%ecx\n\t"
|
||||
"repe\n\t"
|
||||
"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"
|
||||
"jne 1b\n\t"
|
||||
"xorl %%eax,%%eax\n\t"
|
||||
"2:"
|
||||
:"=a" (__res):"0" (0),"c" (0xffffffff),"S" (cs),"g" (ct)
|
||||
:"cx","dx","di","si");
|
||||
return __res;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRLEN
|
||||
extern inline size_t strlen(const char * s)
|
||||
{
|
||||
register int __res;
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"notl %0\n\t"
|
||||
"decl %0"
|
||||
:"=c" (__res):"D" (s),"a" (0),"0" (0xffffffff):"di");
|
||||
return __res;
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_STRTOK
|
||||
extern inline char * strtok(char * s,const char * ct)
|
||||
{
|
||||
register char * __res;
|
||||
__asm__ __volatile__(
|
||||
"testl %1,%1\n\t"
|
||||
"jne 1f\n\t"
|
||||
"testl %0,%0\n\t"
|
||||
"je 8f\n\t"
|
||||
"movl %0,%1\n"
|
||||
"1:\txorl %0,%0\n\t"
|
||||
"movl $-1,%%ecx\n\t"
|
||||
"xorl %%eax,%%eax\n\t"
|
||||
"cld\n\t"
|
||||
"movl %4,%%edi\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"notl %%ecx\n\t"
|
||||
"decl %%ecx\n\t"
|
||||
"je 7f\n\t" /* empty delimiter-string */
|
||||
"movl %%ecx,%%edx\n"
|
||||
"2:\tlodsb\n\t"
|
||||
"testb %%al,%%al\n\t"
|
||||
"je 7f\n\t"
|
||||
"movl %4,%%edi\n\t"
|
||||
"movl %%edx,%%ecx\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"je 2b\n\t"
|
||||
"decl %1\n\t"
|
||||
"cmpb $0,(%1)\n\t"
|
||||
"je 7f\n\t"
|
||||
"movl %1,%0\n"
|
||||
"3:\tlodsb\n\t"
|
||||
"testb %%al,%%al\n\t"
|
||||
"je 5f\n\t"
|
||||
"movl %4,%%edi\n\t"
|
||||
"movl %%edx,%%ecx\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"jne 3b\n\t"
|
||||
"decl %1\n\t"
|
||||
"cmpb $0,(%1)\n\t"
|
||||
"je 5f\n\t"
|
||||
"movb $0,(%1)\n\t"
|
||||
"incl %1\n\t"
|
||||
"jmp 6f\n"
|
||||
"5:\txorl %1,%1\n"
|
||||
"6:\tcmpb $0,(%0)\n\t"
|
||||
"jne 7f\n\t"
|
||||
"xorl %0,%0\n"
|
||||
"7:\ttestl %0,%0\n\t"
|
||||
"jne 8f\n\t"
|
||||
"movl %0,%1\n"
|
||||
"8:"
|
||||
:"=b" (__res),"=S" (___strtok)
|
||||
:"0" (___strtok),"1" (s),"g" (ct)
|
||||
:"ax","cx","dx","di","memory");
|
||||
return __res;
|
||||
}
|
||||
|
||||
|
||||
#define __HAVE_ARCH_STRICMP
|
||||
extern inline int stricmp(const char* cs,const char * ct)
|
||||
{
|
||||
register int __res;
|
||||
|
||||
|
||||
__asm__ __volatile__(
|
||||
"cld\n"
|
||||
"1:\tmovb (%%esi), %%eax\n\t"
|
||||
"movb (%%edi), %%dl \n\t"
|
||||
"cmpb $0x5A, %%al\n\t"
|
||||
"ja 2f\t\n"
|
||||
"cmpb $0x40, %%al\t\n"
|
||||
"jbe 2f\t\n"
|
||||
"addb $0x20, %%al\t\n"
|
||||
"2:\t cmpb $0x5A, %%dl\t\n"
|
||||
"ja 3f\t\n"
|
||||
"cmpb $0x40, %%dl\t\n"
|
||||
"jbe 3f\t\n"
|
||||
"addb $0x20, %%dl\t\n"
|
||||
"3:\t inc %%esi\t\n"
|
||||
"inc %%edi\t\n"
|
||||
"cmpb %%al, %%dl\t\n"
|
||||
"jne 4f\n\t"
|
||||
"cmpb $00, %%al\n\t"
|
||||
"jne 1b\n\t"
|
||||
"xorl %%eax,%%eax\n\t"
|
||||
"jmp 5f\n"
|
||||
"4:\tsbbl %%eax,%%eax\n\t"
|
||||
"orb $1,%%eax\n"
|
||||
"5:"
|
||||
:"=a" (__res):"S" (cs),"D" (ct):"si","di");
|
||||
|
||||
return __res;
|
||||
}
|
||||
|
||||
|
||||
#define __HAVE_ARCH_STRNICMP
|
||||
extern inline int strnicmp(const char* cs,const char * ct, size_t count)
|
||||
{
|
||||
register int __res;
|
||||
|
||||
|
||||
__asm__ __volatile__(
|
||||
"cld\n"
|
||||
"1:\t decl %3\n\t"
|
||||
"js 6f\n\t"
|
||||
"movb (%%esi), %%al\n\t"
|
||||
"movb (%%edi), %%dl \n\t"
|
||||
"cmpb $0x5A, %%al\n\t"
|
||||
"ja 2f\t\n"
|
||||
"cmpb $0x40, %%al\t\n"
|
||||
"jbe 2f\t\n"
|
||||
"addb $0x20, %%al\t\n"
|
||||
"2:\t cmpb $0x5A, %%dl\t\n"
|
||||
"ja 3f\t\n"
|
||||
"cmpb $0x40, %%dl\t\n"
|
||||
"jbe 3f\t\n"
|
||||
"addb $0x20, %%dl\t\n"
|
||||
"3:\t inc %%esi\t\n"
|
||||
"inc %%edi\t\n"
|
||||
"cmpb %%al, %%dl\t\n"
|
||||
"jne 4f\n\t"
|
||||
"cmpb $00, %%al\n\t"
|
||||
"jne 1b\n\t"
|
||||
"6:xorl %%eax,%%eax\n\t"
|
||||
"jmp 5f\n"
|
||||
"4:\tsbbl %%eax,%%eax\n\t"
|
||||
"orb $1,%%eax\n"
|
||||
"5:"
|
||||
:"=a" (__res):"S" (cs),"D" (ct), "c" (count):"si","di", "cx");
|
||||
|
||||
|
||||
return __res;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
extern inline void * __memcpy(void * to, const void * from, size_t n)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"rep ; movsl\n\t"
|
||||
"testb $2,%b1\n\t"
|
||||
"je 1f\n\t"
|
||||
"movsw\n"
|
||||
"1:\ttestb $1,%b1\n\t"
|
||||
"je 2f\n\t"
|
||||
"movsb\n"
|
||||
"2:"
|
||||
: /* no output */
|
||||
:"c" (n/4), "q" (n),"D" ((long) to),"S" ((long) from)
|
||||
: "cx","di","si","memory");
|
||||
return (to);
|
||||
}
|
||||
|
||||
/*
|
||||
* This looks horribly ugly, but the compiler can optimize it totally,
|
||||
* as the count is constant.
|
||||
*/
|
||||
extern inline void * __constant_memcpy(void * to, const void * from, size_t n)
|
||||
{
|
||||
switch (n) {
|
||||
case 0:
|
||||
return to;
|
||||
case 1:
|
||||
*(unsigned char *)to = *(const unsigned char *)from;
|
||||
return to;
|
||||
case 2:
|
||||
*(unsigned short *)to = *(const unsigned short *)from;
|
||||
return to;
|
||||
case 3:
|
||||
*(unsigned short *)to = *(const unsigned short *)from;
|
||||
*(2+(unsigned char *)to) = *(2+(const unsigned char *)from);
|
||||
return to;
|
||||
case 4:
|
||||
*(unsigned long *)to = *(const unsigned long *)from;
|
||||
return to;
|
||||
case 8:
|
||||
*(unsigned long *)to = *(const unsigned long *)from;
|
||||
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
|
||||
return to;
|
||||
case 12:
|
||||
*(unsigned long *)to = *(const unsigned long *)from;
|
||||
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
|
||||
*(2+(unsigned long *)to) = *(2+(const unsigned long *)from);
|
||||
return to;
|
||||
case 16:
|
||||
*(unsigned long *)to = *(const unsigned long *)from;
|
||||
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
|
||||
*(2+(unsigned long *)to) = *(2+(const unsigned long *)from);
|
||||
*(3+(unsigned long *)to) = *(3+(const unsigned long *)from);
|
||||
return to;
|
||||
case 20:
|
||||
*(unsigned long *)to = *(const unsigned long *)from;
|
||||
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
|
||||
*(2+(unsigned long *)to) = *(2+(const unsigned long *)from);
|
||||
*(3+(unsigned long *)to) = *(3+(const unsigned long *)from);
|
||||
*(4+(unsigned long *)to) = *(4+(const unsigned long *)from);
|
||||
return to;
|
||||
}
|
||||
#define COMMON(x) \
|
||||
__asm__("cld\n\t" \
|
||||
"rep ; movsl" \
|
||||
x \
|
||||
: /* no outputs */ \
|
||||
: "c" (n/4),"D" ((long) to),"S" ((long) from) \
|
||||
: "cx","di","si","memory");
|
||||
|
||||
switch (n % 4) {
|
||||
case 0: COMMON(""); return to;
|
||||
case 1: COMMON("\n\tmovsb"); return to;
|
||||
case 2: COMMON("\n\tmovsw"); return to;
|
||||
case 3: COMMON("\n\tmovsw\n\tmovsb"); return to;
|
||||
}
|
||||
#undef COMMON
|
||||
}
|
||||
|
||||
#define __HAVE_ARCH_MEMCPY
|
||||
#define memcpy(t, f, n) \
|
||||
(__builtin_constant_p(n) ? \
|
||||
__constant_memcpy((t),(f),(n)) : \
|
||||
__memcpy((t),(f),(n)))
|
||||
|
||||
#define __HAVE_ARCH_MEMMOVE
|
||||
extern inline void * memmove(void * dest,const void * src, size_t n)
|
||||
{
|
||||
if (dest<src)
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"rep\n\t"
|
||||
"movsb"
|
||||
: /* no output */
|
||||
:"c" (n),"S" (src),"D" (dest)
|
||||
:"cx","si","di");
|
||||
else
|
||||
__asm__ __volatile__(
|
||||
"std\n\t"
|
||||
"rep\n\t"
|
||||
"movsb\n\t"
|
||||
"cld"
|
||||
: /* no output */
|
||||
:"c" (n),
|
||||
"S" (n-1+(const char *)src),
|
||||
"D" (n-1+(char *)dest)
|
||||
:"cx","si","di","memory");
|
||||
return dest;
|
||||
}
|
||||
|
||||
#define memcmp __builtin_memcmp
|
||||
|
||||
#define __HAVE_ARCH_MEMCHR
|
||||
extern inline void * memchr(const void * cs,int c,size_t count)
|
||||
{
|
||||
register void * __res;
|
||||
if (!count)
|
||||
return NULL;
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"repne\n\t"
|
||||
"scasb\n\t"
|
||||
"je 1f\n\t"
|
||||
"movl $1,%0\n"
|
||||
"1:\tdecl %0"
|
||||
:"=D" (__res):"a" (c),"D" (cs),"c" (count)
|
||||
:"cx");
|
||||
return __res;
|
||||
}
|
||||
|
||||
extern inline void * __memset_generic(void * s, char c,size_t count)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"rep\n\t"
|
||||
"stosb"
|
||||
: /* no output */
|
||||
:"a" (c),"D" (s),"c" (count)
|
||||
:"cx","di","memory");
|
||||
return s;
|
||||
}
|
||||
|
||||
/* we might want to write optimized versions of these later */
|
||||
#define __constant_count_memset(s,c,count) __memset_generic((s),(c),(count))
|
||||
|
||||
/*
|
||||
* memset(x,0,y) is a reasonably common thing to do, so we want to fill
|
||||
* things 32 bits at a time even when we don't know the size of the
|
||||
* area at compile-time..
|
||||
*/
|
||||
extern inline void * __constant_c_memset(void * s, unsigned long c, size_t count)
|
||||
{
|
||||
__asm__ __volatile__(
|
||||
"cld\n\t"
|
||||
"rep ; stosl\n\t"
|
||||
"testb $2,%b1\n\t"
|
||||
"je 1f\n\t"
|
||||
"stosw\n"
|
||||
"1:\ttestb $1,%b1\n\t"
|
||||
"je 2f\n\t"
|
||||
"stosb\n"
|
||||
"2:"
|
||||
: /* no output */
|
||||
:"a" (c), "q" (count), "c" (count/4), "D" ((long) s)
|
||||
:"cx","di","memory");
|
||||
return (s);
|
||||
}
|
||||
|
||||
/* Added by Gertjan van Wingerde to make minix and sysv module work */
|
||||
#define __HAVE_ARCH_STRNLEN
|
||||
extern inline size_t strnlen(const char * s, size_t count)
|
||||
{
|
||||
register int __res;
|
||||
__asm__ __volatile__(
|
||||
"movl %1,%0\n\t"
|
||||
"jmp 2f\n"
|
||||
"1:\tcmpb $0,(%0)\n\t"
|
||||
"je 3f\n\t"
|
||||
"incl %0\n"
|
||||
"2:\tdecl %2\n\t"
|
||||
"cmpl $-1,%2\n\t"
|
||||
"jne 1b\n"
|
||||
"3:\tsubl %1,%0"
|
||||
:"=a" (__res)
|
||||
:"c" (s),"d" (count)
|
||||
:"dx");
|
||||
return __res;
|
||||
}
|
||||
/* end of additional stuff */
|
||||
|
||||
/*
|
||||
* This looks horribly ugly, but the compiler can optimize it totally,
|
||||
* as we by now know that both pattern and count is constant..
|
||||
*/
|
||||
extern inline void * __constant_c_and_count_memset(void * s, unsigned long pattern, size_t count)
|
||||
{
|
||||
switch (count) {
|
||||
case 0:
|
||||
return s;
|
||||
case 1:
|
||||
*(unsigned char *)s = pattern;
|
||||
return s;
|
||||
case 2:
|
||||
*(unsigned short *)s = pattern;
|
||||
return s;
|
||||
case 3:
|
||||
*(unsigned short *)s = pattern;
|
||||
*(2+(unsigned char *)s) = pattern;
|
||||
return s;
|
||||
case 4:
|
||||
*(unsigned long *)s = pattern;
|
||||
return s;
|
||||
}
|
||||
#define COMMON(x) \
|
||||
__asm__("cld\n\t" \
|
||||
"rep ; stosl" \
|
||||
x \
|
||||
: /* no outputs */ \
|
||||
: "a" (pattern),"c" (count/4),"D" ((long) s) \
|
||||
: "cx","di","memory")
|
||||
|
||||
switch (count % 4) {
|
||||
case 0: COMMON(""); return s;
|
||||
case 1: COMMON("\n\tstosb"); return s;
|
||||
case 2: COMMON("\n\tstosw"); return s;
|
||||
case 3: COMMON("\n\tstosw\n\tstosb"); return s;
|
||||
}
|
||||
#undef COMMON
|
||||
}
|
||||
|
||||
#define __constant_c_x_memset(s, c, count) \
|
||||
(__builtin_constant_p(count) ? \
|
||||
__constant_c_and_count_memset((s),(c),(count)) : \
|
||||
__constant_c_memset((s),(c),(count)))
|
||||
|
||||
#define __memset(s, c, count) \
|
||||
(__builtin_constant_p(count) ? \
|
||||
__constant_count_memset((s),(c),(count)) : \
|
||||
__memset_generic((s),(c),(count)))
|
||||
|
||||
#define __HAVE_ARCH_MEMSET
|
||||
#define memset(s, c, count) \
|
||||
(__builtin_constant_p(c) ? \
|
||||
__constant_c_x_memset((s),(0x01010101UL*(unsigned char)c),(count)) : \
|
||||
__memset((s),(c),(count)))
|
||||
|
||||
/*
|
||||
* find the first occurrence of byte 'c', or 1 past the area if none
|
||||
*/
|
||||
#define __HAVE_ARCH_MEMSCAN
|
||||
extern inline void * memscan(void * addr, int c, size_t size)
|
||||
{
|
||||
if (!size)
|
||||
return addr;
|
||||
__asm__("cld
|
||||
repnz; scasb
|
||||
jnz 1f
|
||||
dec %%edi
|
||||
1: "
|
||||
: "=D" (addr), "=c" (size)
|
||||
: "0" (addr), "1" (size), "a" (c));
|
||||
return addr;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _STRING_H_ */
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -5,11 +5,17 @@
|
|||
* Added wcsicmp and wcsnicmp -- Boudewijn Dekker
|
||||
*/
|
||||
|
||||
#include <internal/types.h>
|
||||
#ifndef _STRING_H_
|
||||
#define _STRING_H_
|
||||
|
||||
|
||||
#ifndef _LINUX_WSTRING_H_
|
||||
#define _LINUX_WSTRING_H_
|
||||
|
||||
#include <internal/types.h>
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
#ifndef _WCHAR_T_
|
||||
|
|
@ -79,3 +85,4 @@ int wcscmpi (const wchar_t* ws1, const wchar_t* ws2);
|
|||
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue