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- /*
- * KDUMA - Kernel Mode Red-Zone memory allocator.
- * Copyright (C) 2006 Michael Eddington <meddington@gmail.com>
- * Copyright (C) 2006 Eric Rachner <eric@rachner.us>
- * License: GNU GPL (GNU General Public License, see COPYING-GPL)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
- /* $Id$ */
- /*
- * #include <stdlib.h>
- *
- * You must include <stdlib.h> before including <duma.h> !
- *
- */
- /* for enabling inclusion of duma.h after inclusion of efencint.h */
- /* remove previous definitions */
- #include "noduma.h"
- #ifndef __KDUMA_H__
- #define __KDUMA_H__
- #include "duma_config.h"
- #ifdef __cplusplus
- #define DUMA_EXTERN_C extern "C"
- #else
- #define DUMA_EXTERN_C extern
- #endif
- /* global DUMA variables */
- DUMA_EXTERN_C int DUMA_OUTPUT_DEBUG;
- DUMA_EXTERN_C int DUMA_OUTPUT_STDOUT;
- DUMA_EXTERN_C int DUMA_OUTPUT_STDERR;
- DUMA_EXTERN_C char* DUMA_OUTPUT_FILE;
- DUMA_EXTERN_C int DUMA_OUTPUT_STACKTRACE;
- DUMA_EXTERN_C int DUMA_PROTECT_BELOW;
- DUMA_EXTERN_C size_t DUMA_ALIGNMENT;
- DUMA_EXTERN_C int DUMA_FILL;
- DUMA_EXTERN_C struct _DUMA_Slot * _duma_allocList;
- #ifndef DUMA_NO_CPP_SUPPORT
- DUMA_EXTERN_C void * _duma_cxx_null_addr;
- #endif
- #endif /* DUMA_EXTERNS_DECLARED */
- /* Enum: _DUMA_Allocator
- *
- * Passed to duma allocator such as we know who
- * is calling us.
- */
- enum _DUMA_Allocator
- {
- EFA_INT_ALLOC
- , EFA_INT_DEALLOC
- , EFA_MALLOC
- , EFA_CALLOC
- , EFA_FREE
- , EFA_MEMALIGN
- , EFA_REALLOC
- , EFA_VALLOC
- , EFA_STRDUP
- , EFA_NEW_ELEM
- , EFA_DEL_ELEM
- , EFA_NEW_ARRAY
- , EFA_DEL_ARRAY
- /* use following enums when calling _duma_allocate()/_duma_deallocate()
- * from user defined member operators
- */
- , EFA_MEMBER_NEW_ELEM
- , EFA_MEMBER_DEL_ELEM
- , EFA_MEMBER_NEW_ARRAY
- , EFA_MEMBER_DEL_ARRAY
- };
- /* Enum: _DUMA_FailReturn
- *
- * Unknown use.
- */
- enum _DUMA_FailReturn
- {
- DUMA_FAIL_NULL
- , DUMA_FAIL_ENV
- };
- DUMA_EXTERN_C void _duma_init(void);
- DUMA_EXTERN_C void _duma_assert(const char * exprstr, const char * filename, int lineno);
- DUMA_EXTERN_C void duma_init(void);
- DUMA_EXTERN_C void * _duma_allocate(size_t alignment, size_t userSize, int protectBelow, int fillByte, int protectAllocList, enum _DUMA_Allocator allocator, enum _DUMA_FailReturn fail, const char * filename, int lineno);
- DUMA_EXTERN_C void _duma_deallocate(void * baseAdr, int protectAllocList, enum _DUMA_Allocator allocator, const char * filename, int lineno);
- DUMA_EXTERN_C void * _duma_kalloc(size_t size, int flags, const char * filename, int lineno);
- DUMA_EXTERN_C void _duma_kfree(void *baseAdr, const char * filename, int lineno);
- DUMA_EXTERN_C void * _duma_valloc(size_t size, const char * filename, int lineno);
- DUMA_EXTERN_C void * _duma_vfree(void *baseAdr, const char * filename, int lineno);
- DUMA_EXTERN_C char * _duma_strdup(const char *str, const char * filename, int lineno);
- DUMA_EXTERN_C void * _duma_memcpy(void *dest, const void *src, size_t size, const char * filename, int lineno);
- DUMA_EXTERN_C void * _duma_memmove(void *dest, const void *src, size_t size);
- DUMA_EXTERN_C char * _duma_strcpy(char *dest, const char *src, const char * filename, int lineno);
- DUMA_EXTERN_C char * _duma_strncpy(char *dest, const char *src, size_t size, const char * filename, int lineno);
- DUMA_EXTERN_C char * _duma_strcat(char *dest, const char *src, const char * filename, int lineno);
- DUMA_EXTERN_C char * _duma_strncat(char *dest, const char *src, size_t size, const char * filename, int lineno);
- DUMA_EXTERN_C void DUMA_newFrame(void);
- DUMA_EXTERN_C void DUMA_delFrame(void);
- #define kalloc(SIZE, FLAGS) _duma_kalloc(SIZE, FLAGS, __FILE__, __LINE__)
- #define kfree(BASEADR) _duma_kfree(BASEADR, __FILE__, __LINE__)
- #define valloc(SIZE) _duma_valloc(SIZE, __FILE__, __LINE__)
- #define vfree(BASEADR) _duma_vfree(BASEADR, __FILE__, __LINE__)
- #define strdup(STR) _duma_strdup(STR, __FILE__, __LINE__)
- #define memcpy(DEST, SRC, SIZE) _duma_memcpy(DEST, SRC, SIZE, __FILE__, __LINE__)
- #define memmove(DEST, SRC, SIZE) _duma_memmove(DEST, SRC, SIZE)
- #define strcpy(DEST, SRC) _duma_strcpy(DEST, SRC, __FILE__, __LINE__)
- #define strncpy(DEST, SRC, SIZE) _duma_strncpy(DEST, SRC, SIZE, __FILE__, __LINE__)
- #define strcat(DEST, SRC) _duma_strcat(DEST, SRC, __FILE__, __LINE__)
- #define strncat(DEST, SRC, SIZE) _duma_strncat(DEST, SRC, SIZE, __FILE__, __LINE__)
- #ifndef DUMA_ASSERT
- #define DUMA_ASSERT(EXPR) ( (EXPR) || ( _duma_assert(#EXPR, __FILE__, __LINE__), 0 ) )
- #endif
- /*
- * protection of functions return address
- */
- #ifdef __GNUC__
- #define DUMA_FN_PROT_START const void * DUMA_RET_ADDR = __builtin_return_address(0); {
- #define DUMA_FN_PROT_END } DUMA_ASSERT( __builtin_return_address(0) == DUMA_RET_ADDR );
- #define DUMA_FN_PROT_RET(EXPR) do { DUMA_ASSERT( __builtin_return_address(0) == DUMA_RET_ADDR ); return( EXPR ); } while (0)
- #define DUMA_FN_PROT_RET_VOID() do { DUMA_ASSERT( __builtin_return_address(0) == DUMA_RET_ADDR ); return; } while (0)
- #else
- #define DUMA_FN_PROT_START int aiDUMA_PROT[ 4 ] = { 'E', 'F', 'P', 'R' }; {
- #define DUMA_FN_PROT_END } DUMA_ASSERT( 'E'==aiDUMA_PROT[0] && 'F'==aiDUMA_PROT[1] && 'P'==aiDUMA_PROT[2] && 'R'==aiDUMA_PROT[3] );
- #define DUMA_FN_PROT_RET(EXPR) do { DUMA_ASSERT( 'E'==aiDUMA_PROT[0] && 'F'==aiDUMA_PROT[1] && 'P'==aiDUMA_PROT[2] && 'R'==aiDUMA_PROT[3] ); return( EXPR ); } while (0)
- #define DUMA_FN_PROT_RET_VOID() do { DUMA_ASSERT( 'E'==aiDUMA_PROT[0] && 'F'==aiDUMA_PROT[1] && 'P'==aiDUMA_PROT[2] && 'R'==aiDUMA_PROT[3] ); return; } while (0)
- #endif
- /* declaration of an already defined array to enable checking at every reference
- * when using CA_REF()
- */
- #define CA_DECLARE(NAME,SIZE) \
- const unsigned long NAME ## _checkedsize = (SIZE); \
- unsigned long NAME ## _checkedidx
- /* definition of a checked array adds definitions for its size and an extra temporary.
- * every array gets its own temporary to avoid problems with threading
- * a global temporary would have.
- */
- #define CA_DEFINE(TYPE,NAME,SIZE) TYPE NAME[SIZE]; CA_DECLARE(NAME,SIZE)
- /* every access to a checked array is preceded an assert() on the index;
- * the index parameter is stored to a temporary to avoid double execution of index,
- * when index contains f.e. a "++".
- */
- #define CA_REF(NAME,INDEX) \
- NAME[ DUMA_ASSERT( (NAME ## _checkedidx = (INDEX)) < NAME ## _checkedsize ), NAME ## _checkedidx ]
- #endif /* end ifdef __KDUMA_H__ */
- // end
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