diff options
Diffstat (limited to 'sysdeps/i386/bits')
-rw-r--r-- | sysdeps/i386/bits/byteswap.h | 7 | ||||
-rw-r--r-- | sysdeps/i386/bits/link.h | 65 | ||||
-rw-r--r-- | sysdeps/i386/bits/linkmap.h | 5 | ||||
-rw-r--r-- | sysdeps/i386/bits/mathdef.h | 46 | ||||
-rw-r--r-- | sysdeps/i386/bits/setjmp.h | 18 | ||||
-rw-r--r-- | sysdeps/i386/bits/string.h | 922 |
6 files changed, 118 insertions, 945 deletions
diff --git a/sysdeps/i386/bits/byteswap.h b/sysdeps/i386/bits/byteswap.h index 33af208888..7f2ddc2dc5 100644 --- a/sysdeps/i386/bits/byteswap.h +++ b/sysdeps/i386/bits/byteswap.h @@ -1,5 +1,6 @@ /* Macros to swap the order of bytes in integer values. - Copyright (C) 1997, 1998, 2000, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 2000, 2002, 2003, 2006, 2007 + 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 @@ -65,7 +66,9 @@ __bswap_16 (unsigned short int __bsx) /* To swap the bytes in a word the i486 processors and up provide the `bswap' opcode. On i386 we have to use three instructions. */ # if !defined __i486__ && !defined __pentium__ && !defined __pentiumpro__ \ - && !defined __pentium4__ + && !defined __pentium4__ && !defined __k8__ && !defined __athlon__ \ + && !defined __k6__ && !defined __nocona__ && !defined __core2__ \ + && !defined __geode__ && !defined __amdfam10__ # define __bswap_32(x) \ (__extension__ \ ({ register unsigned int __v, __x = (x); \ diff --git a/sysdeps/i386/bits/link.h b/sysdeps/i386/bits/link.h index 3be9b7eae8..985d040413 100644 --- a/sysdeps/i386/bits/link.h +++ b/sysdeps/i386/bits/link.h @@ -1,5 +1,60 @@ -struct link_map_machine - { - Elf32_Addr plt; /* Address of .plt + 0x16 */ - Elf32_Addr gotplt; /* Address of .got + 0x0c */ - }; +/* Copyright (C) 2004, 2005 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _LINK_H +# error "Never include <bits/link.h> directly; use <link.h> instead." +#endif + + +/* Registers for entry into PLT on IA-32. */ +typedef struct La_i86_regs +{ + uint32_t lr_edx; + uint32_t lr_ecx; + uint32_t lr_eax; + uint32_t lr_ebp; + uint32_t lr_esp; +} La_i86_regs; + +/* Return values for calls from PLT on IA-32. */ +typedef struct La_i86_retval +{ + uint32_t lrv_eax; + uint32_t lrv_edx; + long double lrv_st0; + long double lrv_st1; +} La_i86_retval; + + +__BEGIN_DECLS + +extern Elf32_Addr la_i86_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + La_i86_regs *__regs, + unsigned int *__flags, + const char *__symname, + long int *__framesizep); +extern unsigned int la_i86_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx, + uintptr_t *__refcook, + uintptr_t *__defcook, + const La_i86_regs *__inregs, + La_i86_retval *__outregs, + const char *symname); + +__END_DECLS diff --git a/sysdeps/i386/bits/linkmap.h b/sysdeps/i386/bits/linkmap.h new file mode 100644 index 0000000000..3be9b7eae8 --- /dev/null +++ b/sysdeps/i386/bits/linkmap.h @@ -0,0 +1,5 @@ +struct link_map_machine + { + Elf32_Addr plt; /* Address of .plt + 0x16 */ + Elf32_Addr gotplt; /* Address of .got + 0x0c */ + }; diff --git a/sysdeps/i386/bits/mathdef.h b/sysdeps/i386/bits/mathdef.h new file mode 100644 index 0000000000..ec42ed5df9 --- /dev/null +++ b/sysdeps/i386/bits/mathdef.h @@ -0,0 +1,46 @@ +/* Copyright (C) 1997, 1998, 1999, 2000, 2004 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#if !defined _MATH_H && !defined _COMPLEX_H +# error "Never use <bits/mathdef.h> directly; include <math.h> instead" +#endif + +#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF +# define _MATH_H_MATHDEF 1 + +# if defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0 +/* When using -mfpmath=sse, values are computed with the precission of the + used type. */ +typedef float float_t; /* `float' expressions are evaluated as `float'. */ +typedef double double_t; /* `double' expressions are evaluated as + `double'. */ +# else +/* The ix87 FPUs evaluate all values in the 80 bit floating-point format + which is also available for the user as `long double'. Therefore we + define: */ +typedef long double float_t; /* `float' expressions are evaluated as + `long double'. */ +typedef long double double_t; /* `double' expressions are evaluated as + `long double'. */ +# endif + +/* The values returned by `ilogb' for 0 and NaN respectively. */ +# define FP_ILOGB0 (-2147483647 - 1) +# define FP_ILOGBNAN (-2147483647 - 1) + +#endif /* ISO C99 */ diff --git a/sysdeps/i386/bits/setjmp.h b/sysdeps/i386/bits/setjmp.h index 107fe58b35..0133c40e70 100644 --- a/sysdeps/i386/bits/setjmp.h +++ b/sysdeps/i386/bits/setjmp.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1997, 1998, 2000, 2001, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,2000,2001,2003,2005,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -24,23 +25,8 @@ # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." #endif -#if defined __USE_MISC || defined _ASM -# define JB_BX 0 -# define JB_SI 1 -# define JB_DI 2 -# define JB_BP 3 -# define JB_SP 4 -# define JB_PC 5 -# define JB_SIZE 24 -#endif - #ifndef _ASM typedef int __jmp_buf[6]; #endif -/* Test if longjmp to JMPBUF would unwind the frame - containing a local variable at ADDRESS. */ -#define _JMPBUF_UNWINDS(jmpbuf, address) \ - ((void *) (address) < (void *) (jmpbuf)[JB_SP]) - #endif /* bits/setjmp.h */ diff --git a/sysdeps/i386/bits/string.h b/sysdeps/i386/bits/string.h deleted file mode 100644 index d181afd48b..0000000000 --- a/sysdeps/i386/bits/string.h +++ /dev/null @@ -1,922 +0,0 @@ -/* Optimized, inlined string functions. i386 version. - Copyright (C) 1997,1998,1999,2000,2003 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _STRING_H -# error "Never use <bits/string.h> directly; include <string.h> instead." -#endif - -/* The ix86 processors can access unaligned multi-byte variables. */ -#define _STRING_ARCH_unaligned 1 - - -/* We only provide optimizations if the user selects them and if - GNU CC is used. */ -#if !defined __NO_STRING_INLINES && defined __USE_STRING_INLINES \ - && defined __GNUC__ && __GNUC__ >= 2 && !__BOUNDED_POINTERS__ - -#ifndef __STRING_INLINE -# ifdef __cplusplus -# define __STRING_INLINE inline -# else -# define __STRING_INLINE extern __inline -# endif -#endif - - -/* 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 ((dest), (src), (n)))) -/* This looks horribly ugly, but the compiler can optimize it totally, - as the count is constant. */ -__STRING_INLINE void *__memcpy_c (void *__dest, __const void *__src, - size_t __n); - -__STRING_INLINE void * -__memcpy_c (void *__dest, __const void *__src, size_t __n) -{ - register unsigned long int __d0, __d1, __d2; - union { - unsigned int __ui; - unsigned short int __usi; - unsigned char __uc; - } *__u = __dest; - switch (__n) - { - case 0: - return __dest; - case 1: - __u->__uc = *(const unsigned char *) __src; - return __dest; - case 2: - __u->__usi = *(const unsigned short int *) __src; - return __dest; - case 3: - __u->__usi = *(const unsigned short int *) __src; - __u = (void *) __u + 2; - __u->__uc = *(2 + (const unsigned char *) __src); - return __dest; - case 4: - __u->__ui = *(const unsigned int *) __src; - return __dest; - case 6: - __u->__ui = *(const unsigned int *) __src; - __u = (void *) __u + 4; - __u->__usi = *(2 + (const unsigned short int *) __src); - return __dest; - case 8: - __u->__ui = *(const unsigned int *) __src; - __u = (void *) __u + 4; - __u->__ui = *(1 + (const unsigned int *) __src); - return __dest; - case 12: - __u->__ui = *(const unsigned int *) __src; - __u = (void *) __u + 4; - __u->__ui = *(1 + (const unsigned int *) __src); - __u = (void *) __u + 4; - __u->__ui = *(2 + (const unsigned int *) __src); - return __dest; - case 16: - __u->__ui = *(const unsigned int *) __src; - __u = (void *) __u + 4; - __u->__ui = *(1 + (const unsigned int *) __src); - __u = (void *) __u + 4; - __u->__ui = *(2 + (const unsigned int *) __src); - __u = (void *) __u + 4; - __u->__ui = *(3 + (const unsigned int *) __src); - return __dest; - case 20: - __u->__ui = *(const unsigned int *) __src; - __u = (void *) __u + 4; - __u->__ui = *(1 + (const unsigned int *) __src); - __u = (void *) __u + 4; - __u->__ui = *(2 + (const unsigned int *) __src); - __u = (void *) __u + 4; - __u->__ui = *(3 + (const unsigned int *) __src); - __u = (void *) __u + 4; - __u->__ui = *(4 + (const unsigned int *) __src); - return __dest; - } -#define __COMMON_CODE(x) \ - __asm__ __volatile__ \ - ("cld\n\t" \ - "rep; movsl" \ - x \ - : "=&c" (__d0), "=&D" (__d1), "=&S" (__d2) \ - : "0" (__n / 4), "1" (&__u->__uc), "2" (__src) \ - : "memory"); - - switch (__n % 4) - { - case 0: - __COMMON_CODE (""); - break; - case 1: - __COMMON_CODE ("\n\tmovsb"); - break; - case 2: - __COMMON_CODE ("\n\tmovsw"); - break; - case 3: - __COMMON_CODE ("\n\tmovsw\n\tmovsb"); - break; - } - return __dest; -#undef __COMMON_CODE -} - - -/* Copy N bytes of SRC to DEST, guaranteeing - correct behavior for overlapping strings. */ -#define _HAVE_STRING_ARCH_memmove 1 -#ifndef _FORCE_INLINES -__STRING_INLINE void * -memmove (void *__dest, __const void *__src, size_t __n) -{ - register unsigned long int __d0, __d1, __d2; - if (__dest < __src) - __asm__ __volatile__ - ("cld\n\t" - "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 - -/* Set N bytes of S to C. */ -#define _HAVE_STRING_ARCH_memset 1 -#define _USE_STRING_ARCH_memset 1 -#define memset(s, c, n) \ - (__extension__ (__builtin_constant_p (c) \ - ? (__builtin_constant_p (n) \ - ? __memset_cc (s, 0x01010101UL * (unsigned char) (c), n) \ - : __memset_cg (s, 0x01010101UL * (unsigned char) (c), n))\ - : __memset_gg (s, c, n))) - -__STRING_INLINE void *__memset_cc (void *__s, unsigned long int __pattern, - size_t __n); - -__STRING_INLINE void * -__memset_cc (void *__s, unsigned long int __pattern, size_t __n) -{ - register unsigned long int __d0, __d1; - union { - unsigned int __ui; - unsigned short int __usi; - unsigned char __uc; - } *__u = __s; - switch (__n) - { - case 0: - return __s; - case 1: - __u->__uc = __pattern; - return __s; - case 2: - __u->__usi = __pattern; - return __s; - case 3: - __u->__usi = __pattern; - __u = __extension__ ((void *) __u + 2); - __u->__uc = __pattern; - return __s; - case 4: - __u->__ui = __pattern; - return __s; - } -#define __COMMON_CODE(x) \ - __asm__ __volatile__ \ - ("cld\n\t" \ - "rep; stosl" \ - x \ - : "=&c" (__d0), "=&D" (__d1) \ - : "a" (__pattern), "0" (__n / 4), "1" (&__u->__uc) \ - : "memory") - - switch (__n % 4) - { - case 0: - __COMMON_CODE (""); - break; - case 1: - __COMMON_CODE ("\n\tstosb"); - break; - case 2: - __COMMON_CODE ("\n\tstosw"); - break; - case 3: - __COMMON_CODE ("\n\tstosw\n\tstosb"); - break; - } - return __s; -#undef __COMMON_CODE -} - -__STRING_INLINE void *__memset_cg (void *__s, unsigned long __c, size_t __n); - -__STRING_INLINE void * -__memset_cg (void *__s, unsigned long __c, size_t __n) -{ - register unsigned long int __d0, __d1; - __asm__ __volatile__ - ("cld\n\t" - "rep; stosl\n\t" - "testb $2,%b3\n\t" - "je 1f\n\t" - "stosw\n" - "1:\n\t" - "testb $1,%b3\n\t" - "je 2f\n\t" - "stosb\n" - "2:" - : "=&c" (__d0), "=&D" (__d1) - : "a" (__c), "q" (__n), "0" (__n / 4), "1" (__s) - : "memory"); - return __s; -} - -__STRING_INLINE void *__memset_gg (void *__s, char __c, size_t __n); - -__STRING_INLINE void * -__memset_gg (void *__s, char __c, size_t __n) -{ - register unsigned long int __d0, __d1; - __asm__ __volatile__ - ("cld\n\t" - "rep; stosb" - : "=&D" (__d0), "=&c" (__d1) - : "a" (__c), "0" (__s), "1" (__n) - : "memory"); - return __s; -} - - - - -/* Search N bytes of S for C. */ -#define _HAVE_STRING_ARCH_memchr 1 -#ifndef _FORCE_INLINES -__STRING_INLINE void * -memchr (__const void *__s, int __c, size_t __n) -{ - register unsigned long int __d0; - register void *__res; - if (__n == 0) - return NULL; - __asm__ __volatile__ - ("cld\n\t" - "repne; scasb\n\t" - "je 1f\n\t" - "movl $1,%0\n" - "1:" - : "=D" (__res), "=&c" (__d0) - : "a" (__c), "0" (__s), "1" (__n), - "m" ( *(struct { __extension__ char __x[__n]; } *)__s) - : "cc"); - return __res - 1; -} -#endif - -#define _HAVE_STRING_ARCH_memrchr 1 -#ifndef _FORCE_INLINES -__STRING_INLINE void * -__memrchr (__const void *__s, int __c, size_t __n) -{ - register unsigned long int __d0; - register void *__res; - if (__n == 0) - return NULL; - __asm__ __volatile__ - ("std\n\t" - "repne; scasb\n\t" - "je 1f\n\t" - "orl $-1,%0\n" - "1:\tcld\n\t" - "incl %0" - : "=D" (__res), "=&c" (__d0) - : "a" (__c), "0" (__s + __n - 1), "1" (__n), - "m" ( *(struct { __extension__ char __x[__n]; } *)__s) - : "cc"); - return __res; -} -# ifdef __USE_GNU -# define memrchr(s, c, n) __memrchr (s, c, n) -# endif -#endif - -/* Return the length of S. */ -#define _HAVE_STRING_ARCH_strlen 1 -#ifndef _FORCE_INLINES -__STRING_INLINE size_t -strlen (__const char *__str) -{ - register unsigned long int __d0; - register size_t __res; - __asm__ __volatile__ - ("cld\n\t" - "repne; scasb\n\t" - "notl %0" - : "=c" (__res), "=&D" (__d0) - : "1" (__str), "a" (0), "0" (0xffffffff), - "m" ( *(struct { char __x[0xfffffff]; } *)__str) - : "cc"); - return __res - 1; -} -#endif - -/* Copy SRC to DEST. */ -#define _HAVE_STRING_ARCH_strcpy 1 -#ifndef _FORCE_INLINES -__STRING_INLINE char * -strcpy (char *__dest, __const char *__src) -{ - register unsigned long int __d0, __d1; - __asm__ __volatile__ - ("cld\n" - "1:\n\t" - "lodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b" - : "=&S" (__d0), "=&D" (__d1) - : "0" (__src), "1" (__dest) - : "ax", "memory", "cc"); - return __dest; -} -#endif - -/* Copy no more than N characters of SRC to DEST. */ -#define _HAVE_STRING_ARCH_strncpy 1 -#ifndef _FORCE_INLINES -__STRING_INLINE char * -strncpy (char *__dest, __const char *__src, size_t __n) -{ - register unsigned long int __d0, __d1, __d2; - __asm__ __volatile__ - ("cld\n" - "1:\n\t" - "decl %2\n\t" - "js 2f\n\t" - "lodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "rep; stosb\n" - "2:" - : "=&S" (__d0), "=&D" (__d1), "=&c" (__d2) - : "0" (__src), "1" (__dest), "2" (__n) - : "ax", "memory", "cc"); - return __dest; -} -#endif - -/* Append SRC onto DEST. */ -#define _HAVE_STRING_ARCH_strcat 1 -#ifndef _FORCE_INLINES -__STRING_INLINE char * -strcat (char *__dest, __const char *__src) -{ - register unsigned long int __d0, __d1, __d2, __d3; - __asm__ __volatile__ - ("cld\n\t" - "repne; scasb\n\t" - "decl %1\n" - "1:\n\t" - "lodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b" - : "=&S" (__d0), "=&D" (__d1), "=&c" (__d2), "=&a" (__d3) - : "0" (__src), "1" (__dest), "2" (0xffffffff), "3" (0) - : "memory", "cc"); - return __dest; -} -#endif - -/* Append no more than N characters from SRC onto DEST. */ -#define _HAVE_STRING_ARCH_strncat 1 -#ifndef _FORCE_INLINES -__STRING_INLINE char * -strncat (char *__dest, __const char *__src, size_t __n) -{ - register unsigned long int __d0, __d1, __d2, __d3; - __asm__ __volatile__ - ("cld\n\t" - "repne; scasb\n\t" - "decl %1\n\t" - "movl %4,%2\n" - "1:\n\t" - "decl %2\n\t" - "js 2f\n\t" - "lodsb\n\t" - "stosb\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "jmp 3f\n" - "2:\n\t" - "xorl %3,%3\n\t" - "stosb\n" - "3:" - : "=&S" (__d0), "=&D" (__d1), "=&c" (__d2), "=&a" (__d3) - : "g" (__n), "0" (__src), "1" (__dest), "2" (0xffffffff), "3" (0) - : "memory", "cc"); - return __dest; -} -#endif - -/* Compare S1 and S2. */ -#define _HAVE_STRING_ARCH_strcmp 1 -#ifndef _FORCE_INLINES -__STRING_INLINE int -strcmp (__const char *__s1, __const char *__s2) -{ - register unsigned long int __d0, __d1; - register int __res; - __asm__ __volatile__ - ("cld\n" - "1:\n\t" - "lodsb\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:\n\t" - "sbbl %%eax,%%eax\n\t" - "orb $1,%%al\n" - "3:" - : "=a" (__res), "=&S" (__d0), "=&D" (__d1) - : "1" (__s1), "2" (__s2), - "m" ( *(struct { char __x[0xfffffff]; } *)__s1), - "m" ( *(struct { char __x[0xfffffff]; } *)__s2) - : "cc"); - return __res; -} -#endif - -/* Compare N characters of S1 and S2. */ -#define _HAVE_STRING_ARCH_strncmp 1 -#ifndef _FORCE_INLINES -__STRING_INLINE int -strncmp (__const char *__s1, __const char *__s2, size_t __n) -{ - register unsigned long int __d0, __d1, __d2; - register int __res; - __asm__ __volatile__ - ("cld\n" - "1:\n\t" - "decl %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:\n\t" - "xorl %%eax,%%eax\n\t" - "jmp 4f\n" - "3:\n\t" - "sbbl %%eax,%%eax\n\t" - "orb $1,%%al\n" - "4:" - : "=a" (__res), "=&S" (__d0), "=&D" (__d1), "=&c" (__d2) - : "1" (__s1), "2" (__s2), "3" (__n), - "m" ( *(struct { __extension__ char __x[__n]; } *)__s1), - "m" ( *(struct { __extension__ char __x[__n]; } *)__s2) - : "cc"); - return __res; -} -#endif - -/* Find the first occurrence of C in S. */ -#define _HAVE_STRING_ARCH_strchr 1 -#define _USE_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); - -__STRING_INLINE char * -__strchr_g (__const char *__s, int __c) -{ - register unsigned long int __d0; - register char *__res; - __asm__ __volatile__ - ("cld\n\t" - "movb %%al,%%ah\n" - "1:\n\t" - "lodsb\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:\n\t" - "movl %1,%0" - : "=a" (__res), "=&S" (__d0) - : "0" (__c), "1" (__s), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return __res - 1; -} - -__STRING_INLINE char *__strchr_c (__const char *__s, int __c); - -__STRING_INLINE char * -__strchr_c (__const char *__s, int __c) -{ - register unsigned long int __d0; - register char *__res; - __asm__ __volatile__ - ("cld\n\t" - "1:\n\t" - "lodsb\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:\n\t" - "movl %1,%0" - : "=a" (__res), "=&S" (__d0) - : "0" (__c), "1" (__s), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return __res - 1; -} - - -/* Find the first occurrence of C in S or the final NUL byte. */ -#define _HAVE_STRING_ARCH_strchrnul 1 -#define __strchrnul(s, c) \ - (__extension__ (__builtin_constant_p (c) \ - ? ((c) == '\0' \ - ? (char *) __rawmemchr (s, c) \ - : __strchrnul_c (s, ((c) & 0xff) << 8)) \ - : __strchrnul_g (s, c))) - -__STRING_INLINE char *__strchrnul_g (__const char *__s, int __c); - -__STRING_INLINE char * -__strchrnul_g (__const char *__s, int __c) -{ - register unsigned long int __d0; - register char *__res; - __asm__ __volatile__ - ("cld\n\t" - "movb %%al,%%ah\n" - "1:\n\t" - "lodsb\n\t" - "cmpb %%ah,%%al\n\t" - "je 2f\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "2:\n\t" - "movl %1,%0" - : "=a" (__res), "=&S" (__d0) - : "0" (__c), "1" (__s), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return __res - 1; -} - -__STRING_INLINE char *__strchrnul_c (__const char *__s, int __c); - -__STRING_INLINE char * -__strchrnul_c (__const char *__s, int __c) -{ - register unsigned long int __d0; - register char *__res; - __asm__ __volatile__ - ("cld\n\t" - "1:\n\t" - "lodsb\n\t" - "cmpb %%ah,%%al\n\t" - "je 2f\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "2:\n\t" - "movl %1,%0" - : "=a" (__res), "=&S" (__d0) - : "0" (__c), "1" (__s), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return __res - 1; -} -#ifdef __USE_GNU -# define strchrnul(s, c) __strchrnul (s, c) -#endif - - -/* Return the length of the initial segment of S which - consists entirely of characters not in REJECT. */ -#define _HAVE_STRING_ARCH_strcspn 1 -#ifndef _FORCE_INLINES -# ifdef __PIC__ -__STRING_INLINE size_t -strcspn (__const char *__s, __const char *__reject) -{ - register unsigned long int __d0, __d1, __d2; - register char *__res; - __asm__ __volatile__ - ("pushl %%ebx\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" - "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" - "popl %%ebx" - : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2) - : "d" (__reject), "0" (__s), "1" (0), "2" (0xffffffff), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return (__res - 1) - __s; -} -# else -__STRING_INLINE size_t -strcspn (__const char *__s, __const char *__reject) -{ - register unsigned long int __d0, __d1, __d2, __d3; - register char *__res; - __asm__ __volatile__ - ("cld\n\t" - "movl %5,%%edi\n\t" - "repne; scasb\n\t" - "notl %%ecx\n\t" - "decl %%ecx\n\t" - "movl %%ecx,%%edx\n" - "1:\n\t" - "lodsb\n\t" - "testb %%al,%%al\n\t" - "je 2f\n\t" - "movl %5,%%edi\n\t" - "movl %%edx,%%ecx\n\t" - "repne; scasb\n\t" - "jne 1b\n" - "2:" - : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&d" (__d2), "=&D" (__d3) - : "g" (__reject), "0" (__s), "1" (0), "2" (0xffffffff), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return (__res - 1) - __s; -} -# endif -#endif - - -/* Return the length of the initial segment of S which - consists entirely of characters in ACCEPT. */ -#define _HAVE_STRING_ARCH_strspn 1 -#ifndef _FORCE_INLINES -# ifdef __PIC__ -__STRING_INLINE size_t -strspn (__const char *__s, __const char *__accept) -{ - register unsigned long int __d0, __d1, __d2; - register char *__res; - __asm__ __volatile__ - ("pushl %%ebx\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" - "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" - "je 1b\n" - "2:\n\t" - "popl %%ebx" - : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2) - : "r" (__accept), "0" (__s), "1" (0), "2" (0xffffffff), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return (__res - 1) - __s; -} -# else -__STRING_INLINE size_t -strspn (__const char *__s, __const char *__accept) -{ - register unsigned long int __d0, __d1, __d2, __d3; - register char *__res; - __asm__ __volatile__ - ("cld\n\t" - "movl %5,%%edi\n\t" - "repne; scasb\n\t" - "notl %%ecx\n\t" - "decl %%ecx\n\t" - "movl %%ecx,%%edx\n" - "1:\n\t" - "lodsb\n\t" - "testb %%al,%%al\n\t" - "je 2f\n\t" - "movl %5,%%edi\n\t" - "movl %%edx,%%ecx\n\t" - "repne; scasb\n\t" - "je 1b\n" - "2:" - : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&d" (__d2), "=&D" (__d3) - : "g" (__accept), "0" (__s), "1" (0), "2" (0xffffffff), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return (__res - 1) - __s; -} -# endif -#endif - - -/* Find the first occurrence in S of any character in ACCEPT. */ -#define _HAVE_STRING_ARCH_strpbrk 1 -#ifndef _FORCE_INLINES -# ifdef __PIC__ -__STRING_INLINE char * -strpbrk (__const char *__s, __const char *__accept) -{ - unsigned long int __d0, __d1, __d2; - register char *__res; - __asm__ __volatile__ - ("pushl %%ebx\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" - "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\t" - "decl %0\n\t" - "jmp 3f\n" - "2:\n\t" - "xorl %0,%0\n" - "3:\n\t" - "popl %%ebx" - : "=&S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2) - : "r" (__accept), "0" (__s), "1" (0), "2" (0xffffffff), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return __res; -} -# else -__STRING_INLINE char * -strpbrk (__const char *__s, __const char *__accept) -{ - register unsigned long int __d0, __d1, __d2, __d3; - register char *__res; - __asm__ __volatile__ - ("cld\n\t" - "movl %5,%%edi\n\t" - "repne; scasb\n\t" - "notl %%ecx\n\t" - "decl %%ecx\n\t" - "movl %%ecx,%%edx\n" - "1:\n\t" - "lodsb\n\t" - "testb %%al,%%al\n\t" - "je 2f\n\t" - "movl %5,%%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), "=&a" (__d0), "=&c" (__d1), "=&d" (__d2), "=&D" (__d3) - : "g" (__accept), "0" (__s), "1" (0), "2" (0xffffffff), - "m" ( *(struct { char __x[0xfffffff]; } *)__s) - : "cc"); - return __res; -} -# endif -#endif - - -/* Find the first occurrence of NEEDLE in HAYSTACK. */ -#define _HAVE_STRING_ARCH_strstr 1 -#ifndef _FORCE_INLINES -# ifdef __PIC__ -__STRING_INLINE char * -strstr (__const char *__haystack, __const char *__needle) -{ - register unsigned long int __d0, __d1, __d2; - register char *__res; - __asm__ __volatile__ - ("pushl %%ebx\n\t" - "cld\n\t" \ - "movl %4,%%edi\n\t" - "repne; scasb\n\t" - "notl %%ecx\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 %%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" - "jne 1b\n\t" - "xorl %%eax,%%eax\n\t" - "2:\n\t" - "popl %%ebx" - : "=&a" (__res), "=&c" (__d0), "=&S" (__d1), "=&D" (__d2) - : "r" (__needle), "0" (0), "1" (0xffffffff), "2" (__haystack) - : "memory", "cc"); - return __res; -} -# else -__STRING_INLINE char * -strstr (__const char *__haystack, __const char *__needle) -{ - register unsigned long int __d0, __d1, __d2, __d3; - register char *__res; - __asm__ __volatile__ - ("cld\n\t" \ - "movl %5,%%edi\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 %5,%%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" - "jne 1b\n\t" - "xorl %%eax,%%eax\n\t" - "2:" - : "=&a" (__res), "=&c" (__d0), "=&S" (__d1), "=&d" (__d2), "=&D" (__d3) - : "g" (__needle), "0" (0), "1" (0xffffffff), "2" (__haystack) - : "memory", "cc"); - return __res; -} -# endif -#endif - -#ifndef _FORCE_INLINES -# undef __STRING_INLINE -#endif - -#endif /* use string inlines && GNU CC */ |