1*35786f68SRobert Mustacchi /******************************************************************************
2*35786f68SRobert Mustacchi *
3*35786f68SRobert Mustacchi * Module Name: aslallocate -- Local memory allocation
4*35786f68SRobert Mustacchi *
5*35786f68SRobert Mustacchi *****************************************************************************/
6*35786f68SRobert Mustacchi
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12*35786f68SRobert Mustacchi * All rights reserved.
13*35786f68SRobert Mustacchi *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
119*35786f68SRobert Mustacchi * Redistribution and use in source and binary forms, with or without
120*35786f68SRobert Mustacchi * modification, are permitted provided that the following conditions
121*35786f68SRobert Mustacchi * are met:
122*35786f68SRobert Mustacchi * 1. Redistributions of source code must retain the above copyright
123*35786f68SRobert Mustacchi * notice, this list of conditions, and the following disclaimer,
124*35786f68SRobert Mustacchi * without modification.
125*35786f68SRobert Mustacchi * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126*35786f68SRobert Mustacchi * substantially similar to the "NO WARRANTY" disclaimer below
127*35786f68SRobert Mustacchi * ("Disclaimer") and any redistribution must be conditioned upon
128*35786f68SRobert Mustacchi * including a substantially similar Disclaimer requirement for further
129*35786f68SRobert Mustacchi * binary redistribution.
130*35786f68SRobert Mustacchi * 3. Neither the names of the above-listed copyright holders nor the names
131*35786f68SRobert Mustacchi * of any contributors may be used to endorse or promote products derived
132*35786f68SRobert Mustacchi * from this software without specific prior written permission.
133*35786f68SRobert Mustacchi *
134*35786f68SRobert Mustacchi * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135*35786f68SRobert Mustacchi * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137*35786f68SRobert Mustacchi * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi * Software Foundation.
149*35786f68SRobert Mustacchi *
150*35786f68SRobert Mustacchi *****************************************************************************/
151*35786f68SRobert Mustacchi
152*35786f68SRobert Mustacchi #include "aslcompiler.h"
153*35786f68SRobert Mustacchi
154*35786f68SRobert Mustacchi /*
155*35786f68SRobert Mustacchi * Local heap allocation wrappers. See aslcache.c for allocation from local
156*35786f68SRobert Mustacchi * cache alloctions
157*35786f68SRobert Mustacchi */
158*35786f68SRobert Mustacchi
159*35786f68SRobert Mustacchi
160*35786f68SRobert Mustacchi /*******************************************************************************
161*35786f68SRobert Mustacchi *
162*35786f68SRobert Mustacchi * FUNCTION: UtLocalCalloc
163*35786f68SRobert Mustacchi *
164*35786f68SRobert Mustacchi * PARAMETERS: Size - Bytes to be allocated
165*35786f68SRobert Mustacchi *
166*35786f68SRobert Mustacchi * RETURN: Pointer to the allocated memory. If this function returns
167*35786f68SRobert Mustacchi * (the compiler is not aborted), the pointer is guaranteed to
168*35786f68SRobert Mustacchi * be valid.
169*35786f68SRobert Mustacchi *
170*35786f68SRobert Mustacchi * DESCRIPTION: Allocate zero-initialized memory. The point of this function
171*35786f68SRobert Mustacchi * is to abort the compile on an allocation failure, on the
172*35786f68SRobert Mustacchi * assumption that nothing more can be accomplished.
173*35786f68SRobert Mustacchi *
174*35786f68SRobert Mustacchi * NOTE: For allocation from the local caches, see aslcache.c
175*35786f68SRobert Mustacchi *
176*35786f68SRobert Mustacchi ******************************************************************************/
177*35786f68SRobert Mustacchi
178*35786f68SRobert Mustacchi void *
UtLocalCalloc(UINT32 Size)179*35786f68SRobert Mustacchi UtLocalCalloc (
180*35786f68SRobert Mustacchi UINT32 Size)
181*35786f68SRobert Mustacchi {
182*35786f68SRobert Mustacchi void *Allocated;
183*35786f68SRobert Mustacchi
184*35786f68SRobert Mustacchi
185*35786f68SRobert Mustacchi Allocated = ACPI_ALLOCATE_ZEROED (Size);
186*35786f68SRobert Mustacchi if (!Allocated)
187*35786f68SRobert Mustacchi {
188*35786f68SRobert Mustacchi AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION,
189*35786f68SRobert Mustacchi Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
190*35786f68SRobert Mustacchi Gbl_InputByteCount, Gbl_CurrentColumn,
191*35786f68SRobert Mustacchi Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
192*35786f68SRobert Mustacchi
193*35786f68SRobert Mustacchi CmCleanupAndExit ();
194*35786f68SRobert Mustacchi exit (1);
195*35786f68SRobert Mustacchi }
196*35786f68SRobert Mustacchi
197*35786f68SRobert Mustacchi TotalAllocations++;
198*35786f68SRobert Mustacchi TotalAllocated += Size;
199*35786f68SRobert Mustacchi return (Allocated);
200*35786f68SRobert Mustacchi }
201*35786f68SRobert Mustacchi
202*35786f68SRobert Mustacchi
203*35786f68SRobert Mustacchi /******************************************************************************
204*35786f68SRobert Mustacchi *
205*35786f68SRobert Mustacchi * FUNCTION: UtExpandLineBuffers
206*35786f68SRobert Mustacchi *
207*35786f68SRobert Mustacchi * PARAMETERS: None. Updates global line buffer pointers.
208*35786f68SRobert Mustacchi *
209*35786f68SRobert Mustacchi * RETURN: None. Reallocates the global line buffers
210*35786f68SRobert Mustacchi *
211*35786f68SRobert Mustacchi * DESCRIPTION: Called if the current line buffer becomes filled. Reallocates
212*35786f68SRobert Mustacchi * all global line buffers and updates Gbl_LineBufferSize. NOTE:
213*35786f68SRobert Mustacchi * Also used for the initial allocation of the buffers, when
214*35786f68SRobert Mustacchi * all of the buffer pointers are NULL. Initial allocations are
215*35786f68SRobert Mustacchi * of size ASL_DEFAULT_LINE_BUFFER_SIZE
216*35786f68SRobert Mustacchi *
217*35786f68SRobert Mustacchi *****************************************************************************/
218*35786f68SRobert Mustacchi
219*35786f68SRobert Mustacchi void
UtExpandLineBuffers(void)220*35786f68SRobert Mustacchi UtExpandLineBuffers (
221*35786f68SRobert Mustacchi void)
222*35786f68SRobert Mustacchi {
223*35786f68SRobert Mustacchi UINT32 NewSize;
224*35786f68SRobert Mustacchi
225*35786f68SRobert Mustacchi
226*35786f68SRobert Mustacchi /* Attempt to double the size of all line buffers */
227*35786f68SRobert Mustacchi
228*35786f68SRobert Mustacchi NewSize = Gbl_LineBufferSize * 2;
229*35786f68SRobert Mustacchi if (Gbl_CurrentLineBuffer)
230*35786f68SRobert Mustacchi {
231*35786f68SRobert Mustacchi DbgPrint (ASL_DEBUG_OUTPUT,
232*35786f68SRobert Mustacchi "Increasing line buffer size from %u to %u\n",
233*35786f68SRobert Mustacchi Gbl_LineBufferSize, NewSize);
234*35786f68SRobert Mustacchi }
235*35786f68SRobert Mustacchi
236*35786f68SRobert Mustacchi UtReallocLineBuffers (&Gbl_CurrentLineBuffer, Gbl_LineBufferSize, NewSize);
237*35786f68SRobert Mustacchi UtReallocLineBuffers (&Gbl_MainTokenBuffer, Gbl_LineBufferSize, NewSize);
238*35786f68SRobert Mustacchi UtReallocLineBuffers (&Gbl_MacroTokenBuffer, Gbl_LineBufferSize, NewSize);
239*35786f68SRobert Mustacchi UtReallocLineBuffers (&Gbl_ExpressionTokenBuffer, Gbl_LineBufferSize, NewSize);
240*35786f68SRobert Mustacchi
241*35786f68SRobert Mustacchi Gbl_LineBufPtr = Gbl_CurrentLineBuffer;
242*35786f68SRobert Mustacchi Gbl_LineBufferSize = NewSize;
243*35786f68SRobert Mustacchi }
244*35786f68SRobert Mustacchi
245*35786f68SRobert Mustacchi
246*35786f68SRobert Mustacchi /******************************************************************************
247*35786f68SRobert Mustacchi *
248*35786f68SRobert Mustacchi * FUNCTION: UtReallocLineBuffers
249*35786f68SRobert Mustacchi *
250*35786f68SRobert Mustacchi * PARAMETERS: Buffer - Buffer to realloc
251*35786f68SRobert Mustacchi * OldSize - Old size of Buffer
252*35786f68SRobert Mustacchi * NewSize - New size of Buffer
253*35786f68SRobert Mustacchi *
254*35786f68SRobert Mustacchi * RETURN: none
255*35786f68SRobert Mustacchi *
256*35786f68SRobert Mustacchi * DESCRIPTION: Reallocate and initialize Buffer
257*35786f68SRobert Mustacchi *
258*35786f68SRobert Mustacchi *****************************************************************************/
259*35786f68SRobert Mustacchi
260*35786f68SRobert Mustacchi void
UtReallocLineBuffers(char ** Buffer,UINT32 OldSize,UINT32 NewSize)261*35786f68SRobert Mustacchi UtReallocLineBuffers (
262*35786f68SRobert Mustacchi char **Buffer,
263*35786f68SRobert Mustacchi UINT32 OldSize,
264*35786f68SRobert Mustacchi UINT32 NewSize)
265*35786f68SRobert Mustacchi {
266*35786f68SRobert Mustacchi
267*35786f68SRobert Mustacchi *Buffer = realloc (*Buffer, NewSize);
268*35786f68SRobert Mustacchi if (*Buffer)
269*35786f68SRobert Mustacchi {
270*35786f68SRobert Mustacchi memset (*Buffer + OldSize, 0, NewSize - OldSize);
271*35786f68SRobert Mustacchi return;
272*35786f68SRobert Mustacchi }
273*35786f68SRobert Mustacchi
274*35786f68SRobert Mustacchi printf ("Could not increase line buffer size from %u to %u\n",
275*35786f68SRobert Mustacchi OldSize, NewSize);
276*35786f68SRobert Mustacchi
277*35786f68SRobert Mustacchi AslError (ASL_ERROR, ASL_MSG_BUFFER_ALLOCATION, NULL, NULL);
278*35786f68SRobert Mustacchi AslAbort ();
279*35786f68SRobert Mustacchi }
280*35786f68SRobert Mustacchi
281*35786f68SRobert Mustacchi
282*35786f68SRobert Mustacchi /******************************************************************************
283*35786f68SRobert Mustacchi *
284*35786f68SRobert Mustacchi * FUNCTION: UtFreeLineBuffers
285*35786f68SRobert Mustacchi *
286*35786f68SRobert Mustacchi * PARAMETERS: None
287*35786f68SRobert Mustacchi *
288*35786f68SRobert Mustacchi * RETURN: None
289*35786f68SRobert Mustacchi *
290*35786f68SRobert Mustacchi * DESCRIPTION: Free all line buffers
291*35786f68SRobert Mustacchi *
292*35786f68SRobert Mustacchi *****************************************************************************/
293*35786f68SRobert Mustacchi
294*35786f68SRobert Mustacchi void
UtFreeLineBuffers(void)295*35786f68SRobert Mustacchi UtFreeLineBuffers (
296*35786f68SRobert Mustacchi void)
297*35786f68SRobert Mustacchi {
298*35786f68SRobert Mustacchi
299*35786f68SRobert Mustacchi free (Gbl_CurrentLineBuffer);
300*35786f68SRobert Mustacchi free (Gbl_MainTokenBuffer);
301*35786f68SRobert Mustacchi free (Gbl_MacroTokenBuffer);
302*35786f68SRobert Mustacchi free (Gbl_ExpressionTokenBuffer);
303*35786f68SRobert Mustacchi }
304