aslallocate.c revision 1.1.1.1.2.2
1 1.1.1.1.2.2 jdolecek /****************************************************************************** 2 1.1.1.1.2.2 jdolecek * 3 1.1.1.1.2.2 jdolecek * Module Name: aslallocate -- Local memory allocation 4 1.1.1.1.2.2 jdolecek * 5 1.1.1.1.2.2 jdolecek *****************************************************************************/ 6 1.1.1.1.2.2 jdolecek 7 1.1.1.1.2.2 jdolecek /* 8 1.1.1.1.2.2 jdolecek * Copyright (C) 2000 - 2017, Intel Corp. 9 1.1.1.1.2.2 jdolecek * All rights reserved. 10 1.1.1.1.2.2 jdolecek * 11 1.1.1.1.2.2 jdolecek * Redistribution and use in source and binary forms, with or without 12 1.1.1.1.2.2 jdolecek * modification, are permitted provided that the following conditions 13 1.1.1.1.2.2 jdolecek * are met: 14 1.1.1.1.2.2 jdolecek * 1. Redistributions of source code must retain the above copyright 15 1.1.1.1.2.2 jdolecek * notice, this list of conditions, and the following disclaimer, 16 1.1.1.1.2.2 jdolecek * without modification. 17 1.1.1.1.2.2 jdolecek * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.1.2.2 jdolecek * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.1.2.2 jdolecek * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.1.2.2 jdolecek * including a substantially similar Disclaimer requirement for further 21 1.1.1.1.2.2 jdolecek * binary redistribution. 22 1.1.1.1.2.2 jdolecek * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.1.2.2 jdolecek * of any contributors may be used to endorse or promote products derived 24 1.1.1.1.2.2 jdolecek * from this software without specific prior written permission. 25 1.1.1.1.2.2 jdolecek * 26 1.1.1.1.2.2 jdolecek * Alternatively, this software may be distributed under the terms of the 27 1.1.1.1.2.2 jdolecek * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.1.2.2 jdolecek * Software Foundation. 29 1.1.1.1.2.2 jdolecek * 30 1.1.1.1.2.2 jdolecek * NO WARRANTY 31 1.1.1.1.2.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.1.2.2 jdolecek * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.1.2.2 jdolecek * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.1.2.2 jdolecek * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.1.2.2 jdolecek * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.1.2.2 jdolecek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.1.2.2 jdolecek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.1.2.2 jdolecek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.1.2.2 jdolecek * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.1.2.2 jdolecek * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.1.2.2 jdolecek * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.1.2.2 jdolecek */ 43 1.1.1.1.2.2 jdolecek 44 1.1.1.1.2.2 jdolecek #include "aslcompiler.h" 45 1.1.1.1.2.2 jdolecek 46 1.1.1.1.2.2 jdolecek /* 47 1.1.1.1.2.2 jdolecek * Local heap allocation wrappers. See aslcache.c for allocation from local 48 1.1.1.1.2.2 jdolecek * cache alloctions 49 1.1.1.1.2.2 jdolecek */ 50 1.1.1.1.2.2 jdolecek 51 1.1.1.1.2.2 jdolecek 52 1.1.1.1.2.2 jdolecek /******************************************************************************* 53 1.1.1.1.2.2 jdolecek * 54 1.1.1.1.2.2 jdolecek * FUNCTION: UtLocalCalloc 55 1.1.1.1.2.2 jdolecek * 56 1.1.1.1.2.2 jdolecek * PARAMETERS: Size - Bytes to be allocated 57 1.1.1.1.2.2 jdolecek * 58 1.1.1.1.2.2 jdolecek * RETURN: Pointer to the allocated memory. If this function returns 59 1.1.1.1.2.2 jdolecek * (the compiler is not aborted), the pointer is guaranteed to 60 1.1.1.1.2.2 jdolecek * be valid. 61 1.1.1.1.2.2 jdolecek * 62 1.1.1.1.2.2 jdolecek * DESCRIPTION: Allocate zero-initialized memory. The point of this function 63 1.1.1.1.2.2 jdolecek * is to abort the compile on an allocation failure, on the 64 1.1.1.1.2.2 jdolecek * assumption that nothing more can be accomplished. 65 1.1.1.1.2.2 jdolecek * 66 1.1.1.1.2.2 jdolecek * NOTE: For allocation from the local caches, see aslcache.c 67 1.1.1.1.2.2 jdolecek * 68 1.1.1.1.2.2 jdolecek ******************************************************************************/ 69 1.1.1.1.2.2 jdolecek 70 1.1.1.1.2.2 jdolecek void * 71 1.1.1.1.2.2 jdolecek UtLocalCalloc ( 72 1.1.1.1.2.2 jdolecek UINT32 Size) 73 1.1.1.1.2.2 jdolecek { 74 1.1.1.1.2.2 jdolecek void *Allocated; 75 1.1.1.1.2.2 jdolecek 76 1.1.1.1.2.2 jdolecek 77 1.1.1.1.2.2 jdolecek Allocated = ACPI_ALLOCATE_ZEROED (Size); 78 1.1.1.1.2.2 jdolecek if (!Allocated) 79 1.1.1.1.2.2 jdolecek { 80 1.1.1.1.2.2 jdolecek AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION, 81 1.1.1.1.2.2 jdolecek Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, 82 1.1.1.1.2.2 jdolecek Gbl_InputByteCount, Gbl_CurrentColumn, 83 1.1.1.1.2.2 jdolecek Gbl_Files[ASL_FILE_INPUT].Filename, NULL); 84 1.1.1.1.2.2 jdolecek 85 1.1.1.1.2.2 jdolecek CmCleanupAndExit (); 86 1.1.1.1.2.2 jdolecek exit (1); 87 1.1.1.1.2.2 jdolecek } 88 1.1.1.1.2.2 jdolecek 89 1.1.1.1.2.2 jdolecek TotalAllocations++; 90 1.1.1.1.2.2 jdolecek TotalAllocated += Size; 91 1.1.1.1.2.2 jdolecek return (Allocated); 92 1.1.1.1.2.2 jdolecek } 93 1.1.1.1.2.2 jdolecek 94 1.1.1.1.2.2 jdolecek 95 1.1.1.1.2.2 jdolecek /****************************************************************************** 96 1.1.1.1.2.2 jdolecek * 97 1.1.1.1.2.2 jdolecek * FUNCTION: UtExpandLineBuffers 98 1.1.1.1.2.2 jdolecek * 99 1.1.1.1.2.2 jdolecek * PARAMETERS: None. Updates global line buffer pointers. 100 1.1.1.1.2.2 jdolecek * 101 1.1.1.1.2.2 jdolecek * RETURN: None. Reallocates the global line buffers 102 1.1.1.1.2.2 jdolecek * 103 1.1.1.1.2.2 jdolecek * DESCRIPTION: Called if the current line buffer becomes filled. Reallocates 104 1.1.1.1.2.2 jdolecek * all global line buffers and updates Gbl_LineBufferSize. NOTE: 105 1.1.1.1.2.2 jdolecek * Also used for the initial allocation of the buffers, when 106 1.1.1.1.2.2 jdolecek * all of the buffer pointers are NULL. Initial allocations are 107 1.1.1.1.2.2 jdolecek * of size ASL_DEFAULT_LINE_BUFFER_SIZE 108 1.1.1.1.2.2 jdolecek * 109 1.1.1.1.2.2 jdolecek *****************************************************************************/ 110 1.1.1.1.2.2 jdolecek 111 1.1.1.1.2.2 jdolecek void 112 1.1.1.1.2.2 jdolecek UtExpandLineBuffers ( 113 1.1.1.1.2.2 jdolecek void) 114 1.1.1.1.2.2 jdolecek { 115 1.1.1.1.2.2 jdolecek UINT32 NewSize; 116 1.1.1.1.2.2 jdolecek 117 1.1.1.1.2.2 jdolecek 118 1.1.1.1.2.2 jdolecek /* Attempt to double the size of all line buffers */ 119 1.1.1.1.2.2 jdolecek 120 1.1.1.1.2.2 jdolecek NewSize = Gbl_LineBufferSize * 2; 121 1.1.1.1.2.2 jdolecek if (Gbl_CurrentLineBuffer) 122 1.1.1.1.2.2 jdolecek { 123 1.1.1.1.2.2 jdolecek DbgPrint (ASL_DEBUG_OUTPUT, 124 1.1.1.1.2.2 jdolecek "Increasing line buffer size from %u to %u\n", 125 1.1.1.1.2.2 jdolecek Gbl_LineBufferSize, NewSize); 126 1.1.1.1.2.2 jdolecek } 127 1.1.1.1.2.2 jdolecek 128 1.1.1.1.2.2 jdolecek UtReallocLineBuffers (&Gbl_CurrentLineBuffer, Gbl_LineBufferSize, NewSize); 129 1.1.1.1.2.2 jdolecek UtReallocLineBuffers (&Gbl_MainTokenBuffer, Gbl_LineBufferSize, NewSize); 130 1.1.1.1.2.2 jdolecek UtReallocLineBuffers (&Gbl_MacroTokenBuffer, Gbl_LineBufferSize, NewSize); 131 1.1.1.1.2.2 jdolecek UtReallocLineBuffers (&Gbl_ExpressionTokenBuffer, Gbl_LineBufferSize, NewSize); 132 1.1.1.1.2.2 jdolecek 133 1.1.1.1.2.2 jdolecek Gbl_LineBufPtr = Gbl_CurrentLineBuffer; 134 1.1.1.1.2.2 jdolecek Gbl_LineBufferSize = NewSize; 135 1.1.1.1.2.2 jdolecek } 136 1.1.1.1.2.2 jdolecek 137 1.1.1.1.2.2 jdolecek 138 1.1.1.1.2.2 jdolecek /****************************************************************************** 139 1.1.1.1.2.2 jdolecek * 140 1.1.1.1.2.2 jdolecek * FUNCTION: UtReallocLineBuffers 141 1.1.1.1.2.2 jdolecek * 142 1.1.1.1.2.2 jdolecek * PARAMETERS: Buffer - Buffer to realloc 143 1.1.1.1.2.2 jdolecek * OldSize - Old size of Buffer 144 1.1.1.1.2.2 jdolecek * NewSize - New size of Buffer 145 1.1.1.1.2.2 jdolecek * 146 1.1.1.1.2.2 jdolecek * RETURN: none 147 1.1.1.1.2.2 jdolecek * 148 1.1.1.1.2.2 jdolecek * DESCRIPTION: Reallocate and initialize Buffer 149 1.1.1.1.2.2 jdolecek * 150 1.1.1.1.2.2 jdolecek *****************************************************************************/ 151 1.1.1.1.2.2 jdolecek 152 1.1.1.1.2.2 jdolecek void 153 1.1.1.1.2.2 jdolecek UtReallocLineBuffers ( 154 1.1.1.1.2.2 jdolecek char **Buffer, 155 1.1.1.1.2.2 jdolecek UINT32 OldSize, 156 1.1.1.1.2.2 jdolecek UINT32 NewSize) 157 1.1.1.1.2.2 jdolecek { 158 1.1.1.1.2.2 jdolecek 159 1.1.1.1.2.2 jdolecek *Buffer = realloc (*Buffer, NewSize); 160 1.1.1.1.2.2 jdolecek if (*Buffer) 161 1.1.1.1.2.2 jdolecek { 162 1.1.1.1.2.2 jdolecek memset (*Buffer + OldSize, 0, NewSize - OldSize); 163 1.1.1.1.2.2 jdolecek return; 164 1.1.1.1.2.2 jdolecek } 165 1.1.1.1.2.2 jdolecek 166 1.1.1.1.2.2 jdolecek printf ("Could not increase line buffer size from %u to %u\n", 167 1.1.1.1.2.2 jdolecek OldSize, NewSize); 168 1.1.1.1.2.2 jdolecek 169 1.1.1.1.2.2 jdolecek AslError (ASL_ERROR, ASL_MSG_BUFFER_ALLOCATION, NULL, NULL); 170 1.1.1.1.2.2 jdolecek AslAbort (); 171 1.1.1.1.2.2 jdolecek } 172 1.1.1.1.2.2 jdolecek 173 1.1.1.1.2.2 jdolecek 174 1.1.1.1.2.2 jdolecek /****************************************************************************** 175 1.1.1.1.2.2 jdolecek * 176 1.1.1.1.2.2 jdolecek * FUNCTION: UtFreeLineBuffers 177 1.1.1.1.2.2 jdolecek * 178 1.1.1.1.2.2 jdolecek * PARAMETERS: None 179 1.1.1.1.2.2 jdolecek * 180 1.1.1.1.2.2 jdolecek * RETURN: None 181 1.1.1.1.2.2 jdolecek * 182 1.1.1.1.2.2 jdolecek * DESCRIPTION: Free all line buffers 183 1.1.1.1.2.2 jdolecek * 184 1.1.1.1.2.2 jdolecek *****************************************************************************/ 185 1.1.1.1.2.2 jdolecek 186 1.1.1.1.2.2 jdolecek void 187 1.1.1.1.2.2 jdolecek UtFreeLineBuffers ( 188 1.1.1.1.2.2 jdolecek void) 189 1.1.1.1.2.2 jdolecek { 190 1.1.1.1.2.2 jdolecek 191 1.1.1.1.2.2 jdolecek free (Gbl_CurrentLineBuffer); 192 1.1.1.1.2.2 jdolecek free (Gbl_MainTokenBuffer); 193 1.1.1.1.2.2 jdolecek free (Gbl_MacroTokenBuffer); 194 1.1.1.1.2.2 jdolecek free (Gbl_ExpressionTokenBuffer); 195 1.1.1.1.2.2 jdolecek } 196
Indexes created Thu Oct 02 10:09:58 GMT 2025