/src/opus/celt/stack_alloc.h
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1 | | /* Copyright (C) 2002-2003 Jean-Marc Valin |
2 | | Copyright (C) 2007-2009 Xiph.Org Foundation */ |
3 | | /** |
4 | | @file stack_alloc.h |
5 | | @brief Temporary memory allocation on stack |
6 | | */ |
7 | | /* |
8 | | Redistribution and use in source and binary forms, with or without |
9 | | modification, are permitted provided that the following conditions |
10 | | are met: |
11 | | |
12 | | - Redistributions of source code must retain the above copyright |
13 | | notice, this list of conditions and the following disclaimer. |
14 | | |
15 | | - Redistributions in binary form must reproduce the above copyright |
16 | | notice, this list of conditions and the following disclaimer in the |
17 | | documentation and/or other materials provided with the distribution. |
18 | | |
19 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
20 | | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
21 | | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
22 | | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
23 | | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
24 | | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
25 | | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
26 | | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
27 | | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
28 | | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
29 | | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | | */ |
31 | | |
32 | | #ifndef STACK_ALLOC_H |
33 | | #define STACK_ALLOC_H |
34 | | |
35 | | #include "opus_types.h" |
36 | | #include "opus_defines.h" |
37 | | |
38 | | #if (!defined (VAR_ARRAYS) && !defined (USE_ALLOCA) && !defined (NONTHREADSAFE_PSEUDOSTACK)) |
39 | | #error "Opus requires one of VAR_ARRAYS, USE_ALLOCA, or NONTHREADSAFE_PSEUDOSTACK be defined to select the temporary allocation mode." |
40 | | #endif |
41 | | |
42 | | #ifdef USE_ALLOCA |
43 | | # ifdef _WIN32 |
44 | | # include <malloc.h> |
45 | | # else |
46 | | # ifdef HAVE_ALLOCA_H |
47 | | # include <alloca.h> |
48 | | # else |
49 | | # include <stdlib.h> |
50 | | # endif |
51 | | # endif |
52 | | #endif |
53 | | |
54 | | /** |
55 | | * @def ALIGN(stack, size) |
56 | | * |
57 | | * Aligns the stack to a 'size' boundary |
58 | | * |
59 | | * @param stack Stack |
60 | | * @param size New size boundary |
61 | | */ |
62 | | |
63 | | /** |
64 | | * @def PUSH(stack, size, type) |
65 | | * |
66 | | * Allocates 'size' elements of type 'type' on the stack |
67 | | * |
68 | | * @param stack Stack |
69 | | * @param size Number of elements |
70 | | * @param type Type of element |
71 | | */ |
72 | | |
73 | | /** |
74 | | * @def VARDECL(var) |
75 | | * |
76 | | * Declare variable on stack |
77 | | * |
78 | | * @param var Variable to declare |
79 | | */ |
80 | | |
81 | | /** |
82 | | * @def ALLOC(var, size, type) |
83 | | * |
84 | | * Allocate 'size' elements of 'type' on stack |
85 | | * |
86 | | * @param var Name of variable to allocate |
87 | | * @param size Number of elements |
88 | | * @param type Type of element |
89 | | */ |
90 | | |
91 | | #if defined(VAR_ARRAYS) |
92 | | |
93 | | #define VARDECL(type, var) |
94 | 0 | #define ALLOC(var, size, type) type var[size] |
95 | | #define SAVE_STACK |
96 | | #define RESTORE_STACK |
97 | | #define ALLOC_STACK |
98 | | /* C99 does not allow VLAs of size zero */ |
99 | 0 | #define ALLOC_NONE 1 |
100 | | |
101 | | #elif defined(USE_ALLOCA) |
102 | | |
103 | | #define VARDECL(type, var) type *var |
104 | | |
105 | | # ifdef _WIN32 |
106 | | # define ALLOC(var, size, type) var = ((type*)_alloca(sizeof(type)*(size))) |
107 | | # else |
108 | | # define ALLOC(var, size, type) var = ((type*)alloca(sizeof(type)*(size))) |
109 | | # endif |
110 | | |
111 | | #define SAVE_STACK |
112 | | #define RESTORE_STACK |
113 | | #define ALLOC_STACK |
114 | | #define ALLOC_NONE 0 |
115 | | |
116 | | #else |
117 | | |
118 | | #ifdef CELT_C |
119 | | char *scratch_ptr=0; |
120 | | char *global_stack=0; |
121 | | #else |
122 | | extern char *global_stack; |
123 | | extern char *scratch_ptr; |
124 | | #endif /* CELT_C */ |
125 | | |
126 | | #ifdef ENABLE_VALGRIND |
127 | | |
128 | | #include <valgrind/memcheck.h> |
129 | | |
130 | | #ifdef CELT_C |
131 | | char *global_stack_top=0; |
132 | | #else |
133 | | extern char *global_stack_top; |
134 | | #endif /* CELT_C */ |
135 | | |
136 | | #define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1)) |
137 | | #define PUSH(stack, size, type) (VALGRIND_MAKE_MEM_NOACCESS(stack, global_stack_top-stack),ALIGN((stack),sizeof(type)/sizeof(char)),VALGRIND_MAKE_MEM_UNDEFINED(stack, ((size)*sizeof(type)/sizeof(char))),(stack)+=(2*(size)*sizeof(type)/sizeof(char)),(type*)((stack)-(2*(size)*sizeof(type)/sizeof(char)))) |
138 | | #define RESTORE_STACK ((global_stack = _saved_stack),VALGRIND_MAKE_MEM_NOACCESS(global_stack, global_stack_top-global_stack)) |
139 | | #define ALLOC_STACK char *_saved_stack; ((global_stack = (global_stack==0) ? ((global_stack_top=opus_alloc_scratch(GLOBAL_STACK_SIZE*2)+(GLOBAL_STACK_SIZE*2))-(GLOBAL_STACK_SIZE*2)) : global_stack),VALGRIND_MAKE_MEM_NOACCESS(global_stack, global_stack_top-global_stack)); _saved_stack = global_stack; |
140 | | |
141 | | #else |
142 | | |
143 | | #define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1)) |
144 | | #define PUSH(stack, size, type) (ALIGN((stack),sizeof(type)/(sizeof(char))),(stack)+=(size)*(sizeof(type)/(sizeof(char))),(type*)((stack)-(size)*(sizeof(type)/(sizeof(char))))) |
145 | | #if 0 /* Set this to 1 to instrument pseudostack usage */ |
146 | | #define RESTORE_STACK (printf("%ld %s:%d\n", global_stack-scratch_ptr, __FILE__, __LINE__),global_stack = _saved_stack) |
147 | | #else |
148 | | #define RESTORE_STACK (global_stack = _saved_stack) |
149 | | #endif |
150 | | #define ALLOC_STACK char *_saved_stack; (global_stack = (global_stack==0) ? (scratch_ptr=opus_alloc_scratch(GLOBAL_STACK_SIZE)) : global_stack); _saved_stack = global_stack; |
151 | | |
152 | | #endif /* ENABLE_VALGRIND */ |
153 | | |
154 | | #include "os_support.h" |
155 | | #define VARDECL(type, var) type *var |
156 | | #define ALLOC(var, size, type) var = PUSH(global_stack, size, type) |
157 | | #define SAVE_STACK char *_saved_stack = global_stack; |
158 | | #define ALLOC_NONE 0 |
159 | | |
160 | | #endif /* VAR_ARRAYS */ |
161 | | |
162 | | |
163 | | #ifdef ENABLE_VALGRIND |
164 | | |
165 | | #include <valgrind/memcheck.h> |
166 | | #define OPUS_CHECK_ARRAY(ptr, len) VALGRIND_CHECK_MEM_IS_DEFINED(ptr, len*sizeof(*ptr)) |
167 | | #define OPUS_CHECK_VALUE(value) VALGRIND_CHECK_VALUE_IS_DEFINED(value) |
168 | | #define OPUS_CHECK_ARRAY_COND(ptr, len) VALGRIND_CHECK_MEM_IS_DEFINED(ptr, len*sizeof(*ptr)) |
169 | | #define OPUS_CHECK_VALUE_COND(value) VALGRIND_CHECK_VALUE_IS_DEFINED(value) |
170 | | #define OPUS_PRINT_INT(value) do {fprintf(stderr, #value " = %d at %s:%d\n", value, __FILE__, __LINE__);}while(0) |
171 | | #define OPUS_FPRINTF fprintf |
172 | | |
173 | | #else |
174 | | |
175 | 0 | static OPUS_INLINE int _opus_false(void) {return 0;} Unexecuted instantiation: celt.c:_opus_false Unexecuted instantiation: pitch_sse.c:_opus_false Unexecuted instantiation: opus_multistream_encoder.c:_opus_false Unexecuted instantiation: repacketizer.c:_opus_false Unexecuted instantiation: bands.c:_opus_false Unexecuted instantiation: celt_encoder.c:_opus_false Unexecuted instantiation: mdct.c:_opus_false Unexecuted instantiation: modes.c:_opus_false Unexecuted instantiation: pitch.c:_opus_false Unexecuted instantiation: celt_lpc.c:_opus_false Unexecuted instantiation: quant_bands.c:_opus_false Unexecuted instantiation: rate.c:_opus_false Unexecuted instantiation: vq.c:_opus_false Unexecuted instantiation: vq_sse2.c:_opus_false Unexecuted instantiation: opus_decoder.c:_opus_false Unexecuted instantiation: opus_encoder.c:_opus_false Unexecuted instantiation: opus_multistream.c:_opus_false Unexecuted instantiation: analysis.c:_opus_false Unexecuted instantiation: celt_decoder.c:_opus_false Unexecuted instantiation: cwrs.c:_opus_false Unexecuted instantiation: kiss_fft.c:_opus_false Unexecuted instantiation: dec_API.c:_opus_false Unexecuted instantiation: enc_API.c:_opus_false Unexecuted instantiation: encode_pulses.c:_opus_false Unexecuted instantiation: stereo_LR_to_MS.c:_opus_false Unexecuted instantiation: control_codec.c:_opus_false Unexecuted instantiation: resampler_private_down_FIR.c:_opus_false Unexecuted instantiation: resampler_private_IIR_FIR.c:_opus_false Unexecuted instantiation: NSQ_del_dec_avx2.c:_opus_false Unexecuted instantiation: decode_frame.c:_opus_false Unexecuted instantiation: NSQ.c:_opus_false Unexecuted instantiation: NSQ_del_dec.c:_opus_false Unexecuted instantiation: PLC.c:_opus_false Unexecuted instantiation: VAD.c:_opus_false Unexecuted instantiation: resampler_down2_3.c:_opus_false Unexecuted instantiation: NSQ_sse4_1.c:_opus_false Unexecuted instantiation: NSQ_del_dec_sse4_1.c:_opus_false Unexecuted instantiation: VAD_sse4_1.c:_opus_false Unexecuted instantiation: CNG.c:_opus_false Unexecuted instantiation: decode_core.c:_opus_false Unexecuted instantiation: NLSF_encode.c:_opus_false |
176 | 0 | #define OPUS_CHECK_ARRAY(ptr, len) _opus_false() |
177 | | #define OPUS_CHECK_VALUE(value) _opus_false() |
178 | 0 | #define OPUS_PRINT_INT(value) do{}while(0) |
179 | | #define OPUS_FPRINTF (void) |
180 | | |
181 | | #endif |
182 | | |
183 | | |
184 | | #endif /* STACK_ALLOC_H */ |