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Diffstat (limited to 'thirdparty/opus/celt/stack_alloc.h')
| -rw-r--r-- | thirdparty/opus/celt/stack_alloc.h | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/thirdparty/opus/celt/stack_alloc.h b/thirdparty/opus/celt/stack_alloc.h deleted file mode 100644 index 2b51c8d80c..0000000000 --- a/thirdparty/opus/celt/stack_alloc.h +++ /dev/null @@ -1,184 +0,0 @@ -/* Copyright (C) 2002-2003 Jean-Marc Valin - Copyright (C) 2007-2009 Xiph.Org Foundation */ -/** - @file stack_alloc.h - @brief Temporary memory allocation on stack -*/ -/* - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER - OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#ifndef STACK_ALLOC_H -#define STACK_ALLOC_H - -#include "opus_types.h" -#include "opus_defines.h" - -#if (!defined (VAR_ARRAYS) && !defined (USE_ALLOCA) && !defined (NONTHREADSAFE_PSEUDOSTACK)) -#error "Opus requires one of VAR_ARRAYS, USE_ALLOCA, or NONTHREADSAFE_PSEUDOSTACK be defined to select the temporary allocation mode." -#endif - -#ifdef USE_ALLOCA -# ifdef WIN32 -# include <malloc.h> -# else -# ifdef HAVE_ALLOCA_H -# include <alloca.h> -# else -# include <stdlib.h> -# endif -# endif -#endif - -/** - * @def ALIGN(stack, size) - * - * Aligns the stack to a 'size' boundary - * - * @param stack Stack - * @param size New size boundary - */ - -/** - * @def PUSH(stack, size, type) - * - * Allocates 'size' elements of type 'type' on the stack - * - * @param stack Stack - * @param size Number of elements - * @param type Type of element - */ - -/** - * @def VARDECL(var) - * - * Declare variable on stack - * - * @param var Variable to declare - */ - -/** - * @def ALLOC(var, size, type) - * - * Allocate 'size' elements of 'type' on stack - * - * @param var Name of variable to allocate - * @param size Number of elements - * @param type Type of element - */ - -#if defined(VAR_ARRAYS) - -#define VARDECL(type, var) -#define ALLOC(var, size, type) type var[size] -#define SAVE_STACK -#define RESTORE_STACK -#define ALLOC_STACK -/* C99 does not allow VLAs of size zero */ -#define ALLOC_NONE 1 - -#elif defined(USE_ALLOCA) - -#define VARDECL(type, var) type *var - -# ifdef WIN32 -# define ALLOC(var, size, type) var = ((type*)_alloca(sizeof(type)*(size))) -# else -# define ALLOC(var, size, type) var = ((type*)alloca(sizeof(type)*(size))) -# endif - -#define SAVE_STACK -#define RESTORE_STACK -#define ALLOC_STACK -#define ALLOC_NONE 0 - -#else - -#ifdef CELT_C -char *scratch_ptr=0; -char *global_stack=0; -#else -extern char *global_stack; -extern char *scratch_ptr; -#endif /* CELT_C */ - -#ifdef ENABLE_VALGRIND - -#include <valgrind/memcheck.h> - -#ifdef CELT_C -char *global_stack_top=0; -#else -extern char *global_stack_top; -#endif /* CELT_C */ - -#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1)) -#define PUSH(stack, size, type) (VALGRIND_MAKE_MEM_NOACCESS(stack, global_stack_top-stack),ALIGN((stack),sizeof(type)/sizeof(char)),VALGRIND_MAKE_MEM_UNDEFINED(stack, ((size)*sizeof(type)/sizeof(char))),(stack)+=(2*(size)*sizeof(type)/sizeof(char)),(type*)((stack)-(2*(size)*sizeof(type)/sizeof(char)))) -#define RESTORE_STACK ((global_stack = _saved_stack),VALGRIND_MAKE_MEM_NOACCESS(global_stack, global_stack_top-global_stack)) -#define ALLOC_STACK char *_saved_stack; ((global_stack = (global_stack==0) ? ((global_stack_top=opus_alloc_scratch(GLOBAL_STACK_SIZE*2)+(GLOBAL_STACK_SIZE*2))-(GLOBAL_STACK_SIZE*2)) : global_stack),VALGRIND_MAKE_MEM_NOACCESS(global_stack, global_stack_top-global_stack)); _saved_stack = global_stack; - -#else - -#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1)) -#define PUSH(stack, size, type) (ALIGN((stack),sizeof(type)/sizeof(char)),(stack)+=(size)*(sizeof(type)/sizeof(char)),(type*)((stack)-(size)*(sizeof(type)/sizeof(char)))) -#if 0 /* Set this to 1 to instrument pseudostack usage */ -#define RESTORE_STACK (printf("%ld %s:%d\n", global_stack-scratch_ptr, __FILE__, __LINE__),global_stack = _saved_stack) -#else -#define RESTORE_STACK (global_stack = _saved_stack) -#endif -#define ALLOC_STACK char *_saved_stack; (global_stack = (global_stack==0) ? (scratch_ptr=opus_alloc_scratch(GLOBAL_STACK_SIZE)) : global_stack); _saved_stack = global_stack; - -#endif /* ENABLE_VALGRIND */ - -#include "os_support.h" -#define VARDECL(type, var) type *var -#define ALLOC(var, size, type) var = PUSH(global_stack, size, type) -#define SAVE_STACK char *_saved_stack = global_stack; -#define ALLOC_NONE 0 - -#endif /* VAR_ARRAYS */ - - -#ifdef ENABLE_VALGRIND - -#include <valgrind/memcheck.h> -#define OPUS_CHECK_ARRAY(ptr, len) VALGRIND_CHECK_MEM_IS_DEFINED(ptr, len*sizeof(*ptr)) -#define OPUS_CHECK_VALUE(value) VALGRIND_CHECK_VALUE_IS_DEFINED(value) -#define OPUS_CHECK_ARRAY_COND(ptr, len) VALGRIND_CHECK_MEM_IS_DEFINED(ptr, len*sizeof(*ptr)) -#define OPUS_CHECK_VALUE_COND(value) VALGRIND_CHECK_VALUE_IS_DEFINED(value) -#define OPUS_PRINT_INT(value) do {fprintf(stderr, #value " = %d at %s:%d\n", value, __FILE__, __LINE__);}while(0) -#define OPUS_FPRINTF fprintf - -#else - -static OPUS_INLINE int _opus_false(void) {return 0;} -#define OPUS_CHECK_ARRAY(ptr, len) _opus_false() -#define OPUS_CHECK_VALUE(value) _opus_false() -#define OPUS_PRINT_INT(value) do{}while(0) -#define OPUS_FPRINTF (void) - -#endif - - -#endif /* STACK_ALLOC_H */ |