| /****************************************************************************** |
| * |
| * Module Name: aslallocate -- Local memory allocation |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2020, 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. |
| * |
| * 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); |
| } |