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+/******************************************************************************
+ *
+ * Module Name: aslallocate -- Local memory allocation
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2020, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights. You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code. No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision. In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change. Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee. Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution. In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government. In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************
+ *
+ * Alternatively, you may choose to be licensed under the terms of the
+ * following license:
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * Alternatively, you may choose to be licensed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ *****************************************************************************/
+
+#include <contrib/dev/acpica/compiler/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);
+}