source: src/tests/alloc.c@ 5d88a0a

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since 5d88a0a was fab700b, checked in by Peter A. Buhr <pabuhr@…>, 8 years ago

add allocation test
  • Property mode set to 100644
File size: 7.0 KB
RevLine 
[fab700b]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 : Mon May 29 11:33:15 2017
13// Update Count : 228
14//
15
16#include <assert>
17extern "C" {
18#include <malloc.h> // malloc_usable_size
19#include <stdint.h> // uintptr_t
20} // extern
21#include <fstream>
22#include <stdlib> // access C malloc, realloc
23
24int * foo( int * p, int c ) { return p; }
25int * bar( int * p, int c ) { return p; }
26int * baz( int * p, int c ) { return p; }
27
28int main( void ) {
29 size_t dim = 10;
30 struct S { int x; double y; } * s;
31 int * p;
32
33 // allocation, non-array types
34
35 p = (void *)malloc( sizeof(*p) ); // C malloc, type unsafe
36 *p = 0xdeadbeef;
37 printf( "C malloc %x\n", *p );
38 free( p );
39
40 p = malloc(); // CFA malloc, type safe
41 printf( "CFA malloc %d\n", *p );
42 free( p );
43
44 p = malloc( '\1' ); // CFA malloc, fill
45 printf( "CFA malloc, fill %08x\n", *p );
46
47
48 // allocation, array types
49 printf( "\n" );
50
51 p = calloc( dim, sizeof( *p ) ); // C array calloc, type unsafe
52 printf( "C calloc\n" );
53 for ( int i = 0; i < dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
54 printf( "\n" );
55 free( p );
56
57 p = calloc( dim ); // CFA array calloc, type safe
58 printf( "CFA calloc\n" );
59 for ( int i = 0; i < dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
60 printf( "\n" );
61 free( p );
62
63 p = amalloc( dim ); // CFA array malloc, type safe
64 printf( "CFA array malloc\n" );
65 for ( int i = 0; i < dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
66 printf( "\n" );
67 free( p );
68
69 p = amalloc( 2 * dim, '\1' ); // CFA array malloc, fill
70 printf( "CFA array malloc\n" );
71 for ( int i = 0; i < 2 * dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
72 printf( "\n" );
73 // do not free
74
75
76 // resize, non-array types
77 printf( "\n" );
78
79 p = (void *)realloc( p, dim * sizeof(*p) ); // CFA realloc
80 printf( "C realloc\n" );
81 for ( int i = 0; i < dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
82 printf( "\n" );
83
84 p = realloc( p, 2 * dim * sizeof(*p) ); // CFA realloc
85 printf( "CFA realloc\n" );
86 for ( int i = 0; i < 2 * dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
87 printf( "\n" );
88
89 p = realloc( p, dim * sizeof(*p), '\1' ); // CFA realloc
90 printf( "CFA realloc\n" );
91 for ( int i = 0; i < dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
92 printf( "\n" );
93
94 p = malloc( p, dim * sizeof(*p) ); // CFA malloc
95 printf( "CFA resize malloc\n" );
96 for ( int i = 0; i < dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
97 printf( "\n" );
98
99 p = malloc( p, 2 * dim * sizeof(*p), '\1' ); // CFA malloc, fill
100 printf( "CFA resize malloc, fill\n" );
101 for ( int i = 0; i < 2 * dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
102 printf( "\n" );
103
104 p = malloc( p, dim * sizeof(*p), '\1' ); // CFA malloc, fill
105 printf( "CFA resize malloc, fill\n" );
106 for ( int i = 0; i < dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
107 printf( "\n" );
108 // do not free
109
110
111 // resize, array types
112 printf( "\n" );
113
114 p = amalloc( p, 2 * dim ); // CFA array malloc
115 printf( "CFA resize array malloc\n" );
116 for ( int i = 0; i < 2 * dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
117 printf( "\n" );
118
119 p = amalloc( p, dim ); // CFA array malloc
120 printf( "CFA resize array malloc\n" );
121 for ( int i = 0; i < dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
122 printf( "\n" );
123
124 p = amalloc( p, 2 * dim, '\1' ); // CFA array malloc, fill
125 printf( "CFA resize array malloc, fill\n" );
126 for ( int i = 0; i < 2 * dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
127 printf( "\n" );
128
129 p = amalloc( p, dim, '\1' ); // CFA array malloc, fill
130 printf( "CFA resize array malloc, fill\n" );
131 for ( int i = 0; i < dim; i += 1 ) { printf( "%x ", p[i] ); p[i] = 0Xdeadbeef; }
132 free( p );
133 printf( "\n" );
134
135 struct Struct { int x; double y; };
136 Struct st, st1, sta[dim], sta1[dim], * stp;
137
138
139 // alignment, non-array types
140 printf( "\n" );
141
142 enum { Alignment = 128 };
143 stp = aligned_alloc( Alignment ); // CFA aligned_alloc
144 *stp = (Struct){ 42, 42.5 };
145 assert( (uintptr_t)stp % Alignment == 0 );
146 printf( "CFA aligned_alloc %d %g\n", stp->x, stp->y );
147 free( stp );
148
149 stp = memalign( Alignment ); // CFA memalign
150 *stp = (Struct){ 42, 42.5 };
151 assert( (uintptr_t)stp % Alignment == 0 );
152 printf( "CFA memalign %d %g\n", stp->x, stp->y );
153 free( stp );
154
155 posix_memalign( &stp, Alignment ); // CFA posix_memalign
156 *stp = (Struct){ 42, 42.5 };
157 assert( (uintptr_t)stp % Alignment == 0 );
158 printf( "CFA posix_memalign %d %g\n", stp->x, stp->y );
159 free( stp );
160
161 stp = memalign( Alignment, '\1' ); // CFA memalign, fill
162 assert( (uintptr_t)stp % Alignment == 0 );
163 printf( "CFA memalign fill %d %g\n", stp->x, stp->y );
164 free( stp );
165
166
167 // alignment, array types
168 printf( "\n" );
169
170 stp = amemalign( Alignment, 2 * dim ); // CFA array memalign
171 assert( (uintptr_t)stp % Alignment == 0 );
172 printf( "CFA memalign array\n" );
173 for ( int i = 0; i < 2 * dim; i += 1 ) { printf( "%x %g, ", stp[i].x, stp[i].y ); stp[i].x = 0Xdeadbeef, stp[i].y = -17.2; }
174 printf( "\n" );
175 free( stp );
176
177 stp = amemalign( Alignment, dim, '\1' ); // CFA array memalign, fill
178 assert( (uintptr_t)stp % Alignment == 0 );
179 printf( "CFA memalign array\n" );
180 for ( int i = 0; i < dim; i += 1 ) { printf( "%x %g, ", stp[i].x, stp[i].y ); stp[i].x = 0Xdeadbeef, stp[i].y = -17.2; }
181 printf( "\n" );
182 free( stp );
183
184
185 // data, non-array types
186 printf( "\n" );
187
188 stp = memset( &st, '\xff' ); // CFA memset, type safe
189 printf( "CFA memset %x %g\n", st.x, st.y );
190 stp = memcpy( &st1, &st ); // CFA memcpy, type safe
191 printf( "CFA memcpy %x %g\n", st1.x, st1.y );
192
193
194 // data, array types
195 printf( "\n" );
196
197 stp = amemset( sta, dim, '\xff' ); // CFA array memset, type safe
198 printf( "CFA array memset\n" );
199 for ( int i = 0; i < dim; i += 1 ) { printf( "%x %g, ", sta[i].x, sta[i].y ); sta[i].x = 0Xdeadbeef, sta[i].y = -17.2; }
200 printf( "\n" );
201
202 stp = amemcpy( sta1, sta, dim ); // CFA array memcpy, type safe
203 printf( "CFA memcpy\n" );
204 for ( int i = 0; i < dim; i += 1 ) { printf( "%x %g, ", sta1[i].x, sta1[i].y ); sta1[i].x = 0Xdeadbeef, sta1[i].y = -17.2; }
205 printf( "\n" );
206
207 float * fp = malloc() + 1;
208 printf( "pointer arithmetic %d\n", fp == fp - 1 );
209 free( fp - 1 );
210
211 p = foo( bar( baz( malloc(), 0 ), 0 ), 0 );
212 *p = 0xdeadbeef;
213 printf( "CFA deep malloc %x\n", *p );
214 free( p );
215
216 stp = malloc();
217 printf( "\nSHOULD FAIL\n" );
218 p = malloc( stp, dim * sizeof(*stp) );
219 p = memset( stp, 10 );
220 p = memcpy( &st1, &st );
221} // main
222
223// Local Variables: //
224// tab-width: 4 //
225// compile-command: "cfa alloc.c" //
226// End: //
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