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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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127 lines
5.6 KiB
C
127 lines
5.6 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Standalone libc stuff. pub_tool_libcbase.h ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2000-2005 Julian Seward
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jseward@acm.org
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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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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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307, USA.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __PUB_TOOL_LIBCBASE_H
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#define __PUB_TOOL_LIBCBASE_H
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/* ---------------------------------------------------------------------
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Char functions.
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------------------------------------------------------------------ */
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extern Bool VG_(isspace) ( Char c );
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extern Bool VG_(isdigit) ( Char c );
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/* ---------------------------------------------------------------------
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Converting strings to numbers
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------------------------------------------------------------------ */
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extern Long VG_(atoll) ( Char* str ); // base 10
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extern Long VG_(atoll36) ( Char* str ); // base 36
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/* ---------------------------------------------------------------------
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String functions and macros
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------------------------------------------------------------------ */
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/* Use this for normal null-termination-style string comparison */
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#define VG_STREQ(s1,s2) (s1 != NULL && s2 != NULL \
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&& VG_(strcmp)((s1),(s2))==0)
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extern Int VG_(strlen) ( const Char* str );
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extern Char* VG_(strcat) ( Char* dest, const Char* src );
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extern Char* VG_(strncat) ( Char* dest, const Char* src, SizeT n );
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extern Char* VG_(strpbrk) ( const Char* s, const Char* accpt );
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extern Char* VG_(strcpy) ( Char* dest, const Char* src );
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extern Char* VG_(strncpy) ( Char* dest, const Char* src, SizeT ndest );
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extern Int VG_(strcmp) ( const Char* s1, const Char* s2 );
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extern Int VG_(strncmp) ( const Char* s1, const Char* s2, SizeT nmax );
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extern Char* VG_(strstr) ( const Char* haystack, Char* needle );
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extern Char* VG_(strchr) ( const Char* s, Char c );
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extern Char* VG_(strrchr) ( const Char* s, Char c );
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/* Like strcmp() and strncmp(), but stop comparing at any whitespace. */
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extern Int VG_(strcmp_ws) ( const Char* s1, const Char* s2 );
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extern Int VG_(strncmp_ws) ( const Char* s1, const Char* s2, SizeT nmax );
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/* Like strncpy(), but if 'src' is longer than 'ndest' inserts a '\0' as the
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last character. */
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extern void VG_(strncpy_safely) ( Char* dest, const Char* src, SizeT ndest );
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/* Mini-regexp function. Searches for 'pat' in 'str'. Supports
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* meta-symbols '*' and '?'. '\' escapes meta-symbols. */
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extern Bool VG_(string_match) ( const Char* pat, const Char* str );
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/* ---------------------------------------------------------------------
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mem* functions
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------------------------------------------------------------------ */
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extern void* VG_(memcpy) ( void *d, const void *s, SizeT sz );
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extern void* VG_(memset) ( void *s, Int c, SizeT sz );
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extern Int VG_(memcmp) ( const void* s1, const void* s2, SizeT n );
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/* ---------------------------------------------------------------------
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Address computation helpers
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------------------------------------------------------------------ */
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// Check if an address/whatever is aligned
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#define VG_IS_4_ALIGNED(aaa_p) (0 == (((Addr)(aaa_p)) & ((Addr)0x3)))
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#define VG_IS_8_ALIGNED(aaa_p) (0 == (((Addr)(aaa_p)) & ((Addr)0x7)))
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#define VG_IS_16_ALIGNED(aaa_p) (0 == (((Addr)(aaa_p)) & ((Addr)0xf)))
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#define VG_IS_WORD_ALIGNED(aaa_p) (0 == (((Addr)(aaa_p)) & ((Addr)(sizeof(Addr)-1))))
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#define VG_IS_PAGE_ALIGNED(aaa_p) (0 == (((Addr)(aaa_p)) & ((Addr)(VKI_PAGE_SIZE-1))))
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// 'a' -- the alignment -- must be a power of 2.
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// The latter two require the vki-*.h header to be imported also.
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#define VG_ROUNDDN(p, a) ((Addr)(p) & ~((Addr)(a)-1))
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#define VG_ROUNDUP(p, a) VG_ROUNDDN((p)+(a)-1, (a))
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#define VG_PGROUNDDN(p) VG_ROUNDDN(p, VKI_PAGE_SIZE)
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#define VG_PGROUNDUP(p) VG_ROUNDUP(p, VKI_PAGE_SIZE)
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/* ---------------------------------------------------------------------
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Misc useful functions
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------------------------------------------------------------------ */
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/* Like qsort(), but does shell-sort. The size==1/2/4 cases are specialised. */
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extern void VG_(ssort)( void* base, SizeT nmemb, SizeT size,
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Int (*compar)(void*, void*) );
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/* Returns the base-2 logarithm of x. Returns -1 if x is not a power of two. */
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extern Int VG_(log2) ( Int x );
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// A pseudo-random number generator returning a random UInt. If pSeed
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// is NULL, it uses its own seed, which starts at zero. If pSeed is
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// non-NULL, it uses and updates whatever pSeed points at.
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extern UInt VG_(random) ( /*MOD*/UInt* pSeed );
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#endif // __PUB_TOOL_LIBCBASE_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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