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/******************************************************************************
*
* Module Name: aslallocate -- Local memory allocation
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2018, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* 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 MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*/
#include "aslcompiler.h"
/*
* Local heap allocation wrappers. See aslcache.c for allocation from local
* cache alloctions
*/
/*******************************************************************************
*
* FUNCTION: UtLocalCalloc
*
* PARAMETERS: Size - Bytes to be allocated
*
* RETURN: Pointer to the allocated memory. If this function returns
* (the compiler is not aborted), the pointer is guaranteed to
* be valid.
*
* DESCRIPTION: Allocate zero-initialized memory. The point of this function
* is to abort the compile on an allocation failure, on the
* assumption that nothing more can be accomplished.
*
* NOTE: For allocation from the local caches, see aslcache.c
*
******************************************************************************/
void *
UtLocalCalloc (
UINT32 Size)
{
void *Allocated;
Allocated = ACPI_ALLOCATE_ZEROED (Size);
if (!Allocated)
{
AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION,
AslGbl_CurrentLineNumber, AslGbl_LogicalLineNumber,
AslGbl_InputByteCount, AslGbl_CurrentColumn,
AslGbl_Files[ASL_FILE_INPUT].Filename, NULL);
CmCleanupAndExit ();
exit (1);
}
AslGbl_TotalAllocations++;
AslGbl_TotalAllocated += Size;
return (Allocated);
}
/******************************************************************************
*
* FUNCTION: UtExpandLineBuffers
*
* PARAMETERS: None. Updates global line buffer pointers.
*
* RETURN: None. Reallocates the global line buffers
*
* DESCRIPTION: Called if the current line buffer becomes filled. Reallocates
* all global line buffers and updates AslGbl_LineBufferSize. NOTE:
* Also used for the initial allocation of the buffers, when
* all of the buffer pointers are NULL. Initial allocations are
* of size ASL_DEFAULT_LINE_BUFFER_SIZE
*
*****************************************************************************/
void
UtExpandLineBuffers (
void)
{
UINT32 NewSize;
/* Attempt to double the size of all line buffers */
NewSize = AslGbl_LineBufferSize * 2;
if (AslGbl_CurrentLineBuffer)
{
DbgPrint (ASL_DEBUG_OUTPUT,
"Increasing line buffer size from %u to %u\n",
AslGbl_LineBufferSize, NewSize);
}
UtReallocLineBuffers (&AslGbl_CurrentLineBuffer, AslGbl_LineBufferSize, NewSize);
UtReallocLineBuffers (&AslGbl_MainTokenBuffer, AslGbl_LineBufferSize, NewSize);
UtReallocLineBuffers (&AslGbl_MacroTokenBuffer, AslGbl_LineBufferSize, NewSize);
UtReallocLineBuffers (&AslGbl_ExpressionTokenBuffer, AslGbl_LineBufferSize, NewSize);
AslGbl_LineBufPtr = AslGbl_CurrentLineBuffer;
AslGbl_LineBufferSize = NewSize;
}
/******************************************************************************
*
* FUNCTION: UtReallocLineBuffers
*
* PARAMETERS: Buffer - Buffer to realloc
* OldSize - Old size of Buffer
* NewSize - New size of Buffer
*
* RETURN: none
*
* DESCRIPTION: Reallocate and initialize Buffer
*
*****************************************************************************/
void
UtReallocLineBuffers (
char **Buffer,
UINT32 OldSize,
UINT32 NewSize)
{
*Buffer = realloc (*Buffer, NewSize);
if (*Buffer)
{
memset (*Buffer + OldSize, 0, NewSize - OldSize);
return;
}
printf ("Could not increase line buffer size from %u to %u\n",
OldSize, NewSize);
AslError (ASL_ERROR, ASL_MSG_BUFFER_ALLOCATION, NULL, NULL);
AslAbort ();
}
/******************************************************************************
*
* FUNCTION: UtFreeLineBuffers
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Free all line buffers
*
*****************************************************************************/
void
UtFreeLineBuffers (
void)
{
free (AslGbl_CurrentLineBuffer);
free (AslGbl_MainTokenBuffer);
free (AslGbl_MacroTokenBuffer);
free (AslGbl_ExpressionTokenBuffer);
}
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