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 - 2023, 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 "aslcompiler.h"
153
154 /*
155 * Local heap allocation wrappers. See aslcache.c for allocation from local
156 * cache allocations
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 *
UtLocalCalloc(UINT32 Size)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
UtExpandLineBuffers(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
UtReallocLineBuffers(char ** Buffer,UINT32 OldSize,UINT32 NewSize)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
UtFreeLineBuffers(void)295 UtFreeLineBuffers (
296 void)
297 {
298 free (AslGbl_CurrentLineBuffer);
299
300 free (AslGbl_MainTokenBuffer);
301
302 free (AslGbl_MacroTokenBuffer);
303
304 free (AslGbl_MacroTokenReplaceBuffer);
305
306 free (AslGbl_ExpressionTokenBuffer);
307 }
308
