1 /****************************************************************************** 2 * 3 * Module Name: aslallocate -- Local memory allocation 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2020, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include <contrib/dev/acpica/compiler/aslcompiler.h> 153 154 /* 155 * Local heap allocation wrappers. See aslcache.c for allocation from local 156 * cache alloctions 157 */ 158 159 160 /******************************************************************************* 161 * 162 * FUNCTION: UtLocalCalloc 163 * 164 * PARAMETERS: Size - Bytes to be allocated 165 * 166 * RETURN: Pointer to the allocated memory. If this function returns 167 * (the compiler is not aborted), the pointer is guaranteed to 168 * be valid. 169 * 170 * DESCRIPTION: Allocate zero-initialized memory. The point of this function 171 * is to abort the compile on an allocation failure, on the 172 * assumption that nothing more can be accomplished. 173 * 174 * NOTE: For allocation from the local caches, see aslcache.c 175 * 176 ******************************************************************************/ 177 178 void * 179 UtLocalCalloc ( 180 UINT32 Size) 181 { 182 void *Allocated; 183 184 185 Allocated = ACPI_ALLOCATE_ZEROED (Size); 186 if (!Allocated) 187 { 188 AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION, 189 AslGbl_CurrentLineNumber, AslGbl_LogicalLineNumber, 190 AslGbl_InputByteCount, AslGbl_CurrentColumn, 191 AslGbl_Files[ASL_FILE_INPUT].Filename, NULL); 192 193 CmCleanupAndExit (); 194 exit (1); 195 } 196 197 AslGbl_TotalAllocations++; 198 AslGbl_TotalAllocated += Size; 199 return (Allocated); 200 } 201 202 203 /****************************************************************************** 204 * 205 * FUNCTION: UtExpandLineBuffers 206 * 207 * PARAMETERS: None. Updates global line buffer pointers. 208 * 209 * RETURN: None. Reallocates the global line buffers 210 * 211 * DESCRIPTION: Called if the current line buffer becomes filled. Reallocates 212 * all global line buffers and updates AslGbl_LineBufferSize. NOTE: 213 * Also used for the initial allocation of the buffers, when 214 * all of the buffer pointers are NULL. Initial allocations are 215 * of size ASL_DEFAULT_LINE_BUFFER_SIZE 216 * 217 *****************************************************************************/ 218 219 void 220 UtExpandLineBuffers ( 221 void) 222 { 223 UINT32 NewSize; 224 225 226 /* Attempt to double the size of all line buffers */ 227 228 NewSize = AslGbl_LineBufferSize * 2; 229 if (AslGbl_CurrentLineBuffer) 230 { 231 DbgPrint (ASL_DEBUG_OUTPUT, 232 "Increasing line buffer size from %u to %u\n", 233 AslGbl_LineBufferSize, NewSize); 234 } 235 236 UtReallocLineBuffers (&AslGbl_CurrentLineBuffer, AslGbl_LineBufferSize, NewSize); 237 UtReallocLineBuffers (&AslGbl_MainTokenBuffer, AslGbl_LineBufferSize, NewSize); 238 UtReallocLineBuffers (&AslGbl_MacroTokenBuffer, AslGbl_LineBufferSize, NewSize); 239 UtReallocLineBuffers (&AslGbl_ExpressionTokenBuffer, AslGbl_LineBufferSize, NewSize); 240 241 AslGbl_LineBufPtr = AslGbl_CurrentLineBuffer; 242 AslGbl_LineBufferSize = NewSize; 243 } 244 245 246 /****************************************************************************** 247 * 248 * FUNCTION: UtReallocLineBuffers 249 * 250 * PARAMETERS: Buffer - Buffer to realloc 251 * OldSize - Old size of Buffer 252 * NewSize - New size of Buffer 253 * 254 * RETURN: none 255 * 256 * DESCRIPTION: Reallocate and initialize Buffer 257 * 258 *****************************************************************************/ 259 260 void 261 UtReallocLineBuffers ( 262 char **Buffer, 263 UINT32 OldSize, 264 UINT32 NewSize) 265 { 266 267 *Buffer = realloc (*Buffer, NewSize); 268 if (*Buffer) 269 { 270 memset (*Buffer + OldSize, 0, NewSize - OldSize); 271 return; 272 } 273 274 printf ("Could not increase line buffer size from %u to %u\n", 275 OldSize, NewSize); 276 277 AslError (ASL_ERROR, ASL_MSG_BUFFER_ALLOCATION, NULL, NULL); 278 AslAbort (); 279 } 280 281 282 /****************************************************************************** 283 * 284 * FUNCTION: UtFreeLineBuffers 285 * 286 * PARAMETERS: None 287 * 288 * RETURN: None 289 * 290 * DESCRIPTION: Free all line buffers 291 * 292 *****************************************************************************/ 293 294 void 295 UtFreeLineBuffers ( 296 void) 297 { 298 299 free (AslGbl_CurrentLineBuffer); 300 free (AslGbl_MainTokenBuffer); 301 free (AslGbl_MacroTokenBuffer); 302 free (AslGbl_ExpressionTokenBuffer); 303 } 304