source: tests/alloc.c@ 9fce933a

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr no_list persistent-indexer pthread-emulation qualifiedEnum
Last change on this file since 9fce933a was 0e0f128c, checked in by Thierry Delisle <tdelisle@…>, 7 years ago

Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc
  • Property mode set to 100644
File size: 7.9 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// alloc.c --
8//
9// Author : Peter A. Buhr
10// Created On : Wed Feb 3 07:56:22 2016
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Thu Aug 9 06:21:35 2018
13// Update Count : 337
14//
15
16#include <assert.h>
17#include <malloc.h> // malloc_usable_size
18#include <stdint.h> // uintptr_t
19#include <stdlib.h> // posix_memalign
20#include <fstream.hfa>
21#include <stdlib.hfa> // access C malloc, realloc
22
23int * foo( int * p, int c ) { return p; }
24int * bar( int * p, int c ) { return p; }
25int * baz( int * p, int c ) { return p; }
26
27int main( void ) {
28 size_t dim = 10;
29 char fill = '\xff';
30 int * p;
31
32 // allocation, non-array types
33
34 // int & r = malloc();
35 // r = 0xdeadbeef;
36 // printf( "C malloc %#x\n", r );
37 // free( &r );
38
39 p = (int *)malloc( sizeof(*p) ); // C malloc, type unsafe
40 *p = 0xdeadbeef;
41 printf( "C malloc %#x\n", *p );
42 free( p );
43
44 p = malloc(); // CFA malloc, type safe
45 *p = 0xdeadbeef;
46 printf( "CFA malloc %#x\n", *p );
47 free( p );
48
49 p = alloc(); // CFA alloc, type safe
50 *p = 0xdeadbeef;
51 printf( "CFA alloc %#x\n", *p );
52 free( p );
53
54 p = alloc( fill ); // CFA alloc, fill
55 printf( "CFA alloc, fill %08x\n", *p );
56 free( p );
57
58
59 // allocation, array types
60 printf( "\n" );
61
62 p = (int *)calloc( dim, sizeof( *p ) ); // C array calloc, type unsafe
63 printf( "C array calloc, fill 0\n" );
64 for ( i; dim ) { printf( "%#x ", p[i] ); }
65 printf( "\n" );
66 free( p );
67
68 p = calloc( dim ); // CFA array calloc, type safe
69 printf( "CFA array calloc, fill 0\n" );
70 for ( i; dim ) { printf( "%#x ", p[i] ); }
71 printf( "\n" );
72 free( p );
73
74 p = alloc( dim ); // CFA array alloc, type safe
75 for ( i; dim ) { p[i] = 0xdeadbeef; }
76 printf( "CFA array alloc, no fill\n" );
77 for ( i; dim ) { printf( "%#x ", p[i] ); }
78 printf( "\n" );
79 free( p );
80
81 p = alloc( 2 * dim, fill ); // CFA array alloc, fill
82 printf( "CFA array alloc, fill %#hhx\n", fill );
83 for ( i; 2 * dim ) { printf( "%#x ", p[i] ); }
84 printf( "\n" );
85 // do not free
86
87
88 // resize, non-array types
89 printf( "\n" );
90
91 p = (int *)realloc( p, dim * sizeof(*p) ); // C realloc
92 for ( i; dim ) { p[i] = 0xdeadbeef; }
93 printf( "C realloc\n" );
94 for ( i; dim ) { printf( "%#x ", p[i] ); }
95 printf( "\n" );
96
97 p = realloc( p, 2 * dim * sizeof(*p) ); // CFA realloc
98 for ( i; dim ~ 2 * dim ) { p[i] = 0x1010101; }
99 printf( "CFA realloc\n" );
100 for ( i; 2 * dim ) { printf( "%#x ", p[i] ); }
101 printf( "\n" );
102 // do not free
103
104
105 // resize, array types
106 printf( "\n" );
107
108 p = alloc( p, dim ); // CFA resize array alloc
109 for ( i; dim ) { p[i] = 0xdeadbeef; }
110 printf( "CFA resize alloc\n" );
111 for ( i; dim ) { printf( "%#x ", p[i] ); }
112 printf( "\n" );
113
114 p = alloc( p, 2 * dim ); // CFA resize array alloc
115 for ( i; dim ~ 2 * dim ) { p[i] = 0x1010101; }
116 printf( "CFA resize array alloc\n" );
117 for ( i; 2 * dim ) { printf( "%#x ", p[i] ); }
118 printf( "\n" );
119
120 p = alloc( p, dim ); // CFA array alloc
121 printf( "CFA resize array alloc\n" );
122 for ( i; dim ) { printf( "%#x ", p[i] ); }
123 printf( "\n" );
124
125 free( p );
126 p = 0;
127
128 p = alloc( p, dim, fill ); // CFA array alloc, fill
129 printf( "CFA resize array alloc, fill\n" );
130 for ( i; dim ) { printf( "%#x ", p[i] ); }
131 printf( "\n" );
132
133 p = alloc( p, 2 * dim, fill ); // CFA array alloc, fill
134 printf( "CFA resize array alloc, fill\n" );
135 for ( i; 2 * dim ) { printf( "%#x ", p[i] ); }
136 printf( "\n" );
137
138 p = alloc( p, dim, fill ); // CFA array alloc, fill
139 printf( "CFA resize array alloc, fill\n" );
140 for ( i; dim ) { printf( "%#x ", p[i] );; }
141 printf( "\n" );
142 free( p );
143
144
145 struct Struct { int x; double y; };
146 Struct st, st1, sta[dim], sta1[dim], * stp, * stp1;
147
148 // alignment, non-array types
149 printf( "\n" );
150 enum { Alignment = 128 };
151
152 stp = &(*(Struct*)memalign( Alignment, sizeof( *stp ) ) ){ 42, 42.5 }; // C memalign
153 assert( (uintptr_t)stp % Alignment == 0 );
154 printf( "C memalign %d %g\n", stp->x, stp->y );
155 free( stp );
156
157 stp = &(*memalign( Alignment )){ 42, 42.5 }; // CFA memalign
158 assert( (uintptr_t)stp % Alignment == 0 );
159 printf( "CFA memalign %d %g\n", stp->x, stp->y );
160 free( stp );
161
162 posix_memalign( (void **)&stp, Alignment, sizeof( *stp ) ); // C posix_memalign
163 *stp = (Struct){ 42, 42.5 };
164 assert( (uintptr_t)stp % Alignment == 0 );
165 printf( "CFA posix_memalign %d %g\n", stp->x, stp->y );
166 free( stp );
167
168 posix_memalign( &stp, Alignment ); // CFA posix_memalign
169 *stp = (Struct){ 42, 42.5 };
170 assert( (uintptr_t)stp % Alignment == 0 );
171 printf( "CFA posix_memalign %d %g\n", stp->x, stp->y );
172 free( stp );
173
174 stp = &(*aligned_alloc( Alignment )){ 42, 42.5 }; // CFA aligned_alloc
175 assert( (uintptr_t)stp % Alignment == 0 );
176 printf( "CFA aligned_alloc %d %g\n", stp->x, stp->y );
177 free( stp );
178
179 stp = &(*align_alloc( Alignment )){ 42, 42.5 }; // CFA align_alloc
180 assert( (uintptr_t)stp % Alignment == 0 );
181 printf( "CFA align_alloc %d %g\n", stp->x, stp->y );
182 free( stp );
183
184 stp = align_alloc( Alignment, fill ); // CFA memalign, fill
185 assert( (uintptr_t)stp % Alignment == 0 );
186 printf( "CFA align_alloc fill %#x %a\n", stp->x, stp->y );
187 free( stp );
188
189
190 // alignment, array types
191 printf( "\n" );
192
193 stp = align_alloc( Alignment, dim ); // CFA array memalign
194 assert( (uintptr_t)stp % Alignment == 0 );
195 for ( i; dim ) { stp[i] = (Struct){ 42, 42.5 }; }
196 printf( "CFA array align_alloc\n" );
197 for ( i; dim ) { printf( "%d %g, ", stp[i].x, stp[i].y ); }
198 printf( "\n" );
199 free( stp );
200
201 stp = align_alloc( Alignment, dim, fill ); // CFA array memalign, fill
202 assert( (uintptr_t)stp % Alignment == 0 );
203 printf( "CFA array align_alloc, fill\n" );
204 for ( i; dim ) { printf( "%#x %a, ", stp[i].x, stp[i].y ); }
205 printf( "\n" );
206 free( stp );
207
208
209 // data, non-array types
210 printf( "\n" );
211
212 memset( &st, fill ); // CFA memset, type safe
213 printf( "CFA memset %#x %a\n", st.x, st.y );
214 memcpy( &st1, &st ); // CFA memcpy, type safe
215 printf( "CFA memcpy %#x %a\n", st1.x, st1.y );
216
217
218 // data, array types
219 printf( "\n" );
220
221 amemset( sta, fill, dim ); // CFA array memset, type safe
222 printf( "CFA array memset\n" );
223 for ( i; dim ) { printf( "%#x %a, ", sta[i].x, sta[i].y ); }
224 printf( "\n" );
225
226 amemcpy( sta1, sta, dim ); // CFA array memcpy, type safe
227 printf( "CFA array memcpy\n" );
228 for ( i; dim ) { printf( "%#x %a, ", sta1[i].x, sta1[i].y ); }
229 printf( "\n" );
230
231
232 // new, non-array types
233 printf( "\n" );
234
235 stp = new( 42, 42.5 );
236 stp1 = new( 42, 42.5 );
237 printf( "CFA new initialize\n%d %g %d %g\n", stp->x, stp->y, stp1->x, stp1->y );
238 delete( stp, stp1 );
239
240 // new, array types
241 stp = anew( dim, 42, 42.5 );
242 printf( "CFA array new initialize\n" );
243 for ( i; dim ) { printf( "%d %g, ", stp[i].x, stp[i].y ); }
244 printf( "\n" );
245 stp1 = anew( dim, 42, 42.5 );
246 for ( i; dim ) { printf( "%d %g, ", stp1[i].x, stp1[i].y ); }
247 printf( "\n" );
248 adelete( dim, stp, dim, stp1 );
249
250 // extras
251 printf( "\n" );
252
253 float * fp = malloc() + 1;
254 printf( "pointer arithmetic %d\n", fp == fp - 1 );
255 free( fp - 1 );
256
257 p = foo( bar( baz( malloc(), 0 ), 0 ), 0 );
258 *p = 0xdeadbeef;
259 printf( "CFA deep malloc %#x\n", *p );
260 free( p );
261
262#ifdef ERR1
263 stp = malloc();
264 printf( "\nSHOULD FAIL\n" );
265 p = realloc( stp, dim * sizeof( *stp ) );
266 p = alloc( stp, dim * sizeof( *stp ) );
267 p = memset( stp, 10 );
268 p = memcpy( &st1, &st );
269#endif
270} // main
271
272// Local Variables: //
273// tab-width: 4 //
274// compile-command: "cfa alloc.c" //
275// End: //
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