iPXE
memset_test.c
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1 /*
2  * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  *
19  * You can also choose to distribute this program under the terms of
20  * the Unmodified Binary Distribution Licence (as given in the file
21  * COPYING.UBDL), provided that you have satisfied its requirements.
22  */
23 
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25 
26 /** @file
27  *
28  * memset() self-tests
29  *
30  */
31 
32 /* Forcibly enable assertions */
33 #undef NDEBUG
34 
35 #include <string.h>
36 #include <ipxe/test.h>
37 
38 /* Provide global functions to allow inspection of generated code */
39 
40 void memset_zero_0 ( void *dest ) { memset ( dest, 0, 0 ); }
41 void memset_zero_1 ( void *dest ) { memset ( dest, 0, 1 ); }
42 void memset_zero_2 ( void *dest ) { memset ( dest, 0, 2 ); }
43 void memset_zero_3 ( void *dest ) { memset ( dest, 0, 3 ); }
44 void memset_zero_4 ( void *dest ) { memset ( dest, 0, 4 ); }
45 void memset_zero_5 ( void *dest ) { memset ( dest, 0, 5 ); }
46 void memset_zero_6 ( void *dest ) { memset ( dest, 0, 6 ); }
47 void memset_zero_7 ( void *dest ) { memset ( dest, 0, 7 ); }
48 void memset_zero_8 ( void *dest ) { memset ( dest, 0, 8 ); }
49 void memset_zero_9 ( void *dest ) { memset ( dest, 0, 9 ); }
50 void memset_zero_10 ( void *dest ) { memset ( dest, 0, 10 ); }
51 void memset_zero_11 ( void *dest ) { memset ( dest, 0, 11 ); }
52 void memset_zero_12 ( void *dest ) { memset ( dest, 0, 12 ); }
53 void memset_zero_13 ( void *dest ) { memset ( dest, 0, 13 ); }
54 void memset_zero_14 ( void *dest ) { memset ( dest, 0, 14 ); }
55 void memset_zero_15 ( void *dest ) { memset ( dest, 0, 15 ); }
56 void memset_zero_16 ( void *dest ) { memset ( dest, 0, 16 ); }
57 void memset_zero_17 ( void *dest ) { memset ( dest, 0, 17 ); }
58 void memset_zero_18 ( void *dest ) { memset ( dest, 0, 18 ); }
59 void memset_zero_19 ( void *dest ) { memset ( dest, 0, 19 ); }
60 void memset_zero_20 ( void *dest ) { memset ( dest, 0, 20 ); }
61 void memset_zero_21 ( void *dest ) { memset ( dest, 0, 21 ); }
62 void memset_zero_22 ( void *dest ) { memset ( dest, 0, 22 ); }
63 void memset_zero_23 ( void *dest ) { memset ( dest, 0, 23 ); }
64 void memset_zero_24 ( void *dest ) { memset ( dest, 0, 24 ); }
65 void memset_zero_25 ( void *dest ) { memset ( dest, 0, 25 ); }
66 void memset_zero_26 ( void *dest ) { memset ( dest, 0, 26 ); }
67 void memset_zero_27 ( void *dest ) { memset ( dest, 0, 27 ); }
68 void memset_zero_28 ( void *dest ) { memset ( dest, 0, 28 ); }
69 void memset_zero_29 ( void *dest ) { memset ( dest, 0, 29 ); }
70 void memset_zero_30 ( void *dest ) { memset ( dest, 0, 30 ); }
71 void memset_zero_31 ( void *dest ) { memset ( dest, 0, 31 ); }
72 
73 /**
74  * Force a call to the variable-length implementation of memset()
75  *
76  * @v dest Destination address
77  * @v fill Fill pattern
78  * @v len Length of data
79  * @ret dest Destination address
80  */
81 __attribute__ (( noinline )) void * memset_var ( void *dest, unsigned int fill,
82  size_t len ) {
83  return memset ( dest, fill, len );
84 }
85 
86 /**
87  * Perform a constant-length memset() test
88  *
89  * @v len Length of data
90  */
91 #define MEMSET_TEST_CONSTANT( len ) do { \
92  uint8_t dest_const[ 1 + len + 1 ]; \
93  uint8_t dest_var[ 1 + len + 1 ]; \
94  static uint8_t zero[len]; \
95  unsigned int i; \
96  \
97  for ( i = 0 ; i < sizeof ( dest_const ) ; i++ ) \
98  dest_const[i] = 0xaa; \
99  memset ( ( dest_const + 1 ), 0, len ); \
100  ok ( dest_const[0] == 0xaa ); \
101  ok ( dest_const[ sizeof ( dest_const ) - 1 ] == 0xaa ); \
102  ok ( memcmp ( ( dest_const + 1 ), zero, len ) == 0 ); \
103  \
104  for ( i = 0 ; i < sizeof ( dest_var ) ; i++ ) \
105  dest_var[i] = 0xbb; \
106  memset_var ( ( dest_var + 1 ), 0, len ); \
107  ok ( dest_var[0] == 0xbb ); \
108  ok ( dest_var[ sizeof ( dest_var ) - 1 ] == 0xbb ); \
109  ok ( memcmp ( ( dest_var + 1 ), zero, len ) == 0 ); \
110  } while ( 0 )
111 
112 /**
113  * Perform memset() self-tests
114  *
115  */
116 static void memset_test_exec ( void ) {
117 
118  /* Constant-length tests */
119  MEMSET_TEST_CONSTANT ( 0 );
120  MEMSET_TEST_CONSTANT ( 1 );
121  MEMSET_TEST_CONSTANT ( 2 );
122  MEMSET_TEST_CONSTANT ( 3 );
123  MEMSET_TEST_CONSTANT ( 4 );
124  MEMSET_TEST_CONSTANT ( 5 );
125  MEMSET_TEST_CONSTANT ( 6 );
126  MEMSET_TEST_CONSTANT ( 7 );
127  MEMSET_TEST_CONSTANT ( 8 );
128  MEMSET_TEST_CONSTANT ( 9 );
129  MEMSET_TEST_CONSTANT ( 10 );
130  MEMSET_TEST_CONSTANT ( 11 );
131  MEMSET_TEST_CONSTANT ( 12 );
132  MEMSET_TEST_CONSTANT ( 13 );
133  MEMSET_TEST_CONSTANT ( 14 );
134  MEMSET_TEST_CONSTANT ( 15 );
135  MEMSET_TEST_CONSTANT ( 16 );
136  MEMSET_TEST_CONSTANT ( 17 );
137  MEMSET_TEST_CONSTANT ( 18 );
138  MEMSET_TEST_CONSTANT ( 19 );
139  MEMSET_TEST_CONSTANT ( 20 );
140  MEMSET_TEST_CONSTANT ( 21 );
141  MEMSET_TEST_CONSTANT ( 22 );
142  MEMSET_TEST_CONSTANT ( 23 );
143  MEMSET_TEST_CONSTANT ( 24 );
144  MEMSET_TEST_CONSTANT ( 25 );
145  MEMSET_TEST_CONSTANT ( 26 );
146  MEMSET_TEST_CONSTANT ( 27 );
147  MEMSET_TEST_CONSTANT ( 28 );
148  MEMSET_TEST_CONSTANT ( 29 );
149  MEMSET_TEST_CONSTANT ( 30 );
150  MEMSET_TEST_CONSTANT ( 31 );
151 }
152 
153 /** memset() self-test */
154 struct self_test memset_test __self_test = {
155  .name = "memset",
156  .exec = memset_test_exec,
157 };
void * memset_var(void *dest, unsigned int fill, size_t len)
Force a call to the variable-length implementation of memset()
Definition: memset_test.c:81
#define __attribute__(x)
Definition: compiler.h:10
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
void memset_zero_3(void *dest)
Definition: memset_test.c:43
void memset_zero_6(void *dest)
Definition: memset_test.c:46
void memset_zero_26(void *dest)
Definition: memset_test.c:66
void memset_zero_29(void *dest)
Definition: memset_test.c:69
void memset_zero_31(void *dest)
Definition: memset_test.c:71
Self-test infrastructure.
const char * name
Test set name.
Definition: test.h:17
void memset_zero_8(void *dest)
Definition: memset_test.c:48
A self-test set.
Definition: test.h:15
void memset_zero_13(void *dest)
Definition: memset_test.c:53
void memset_zero_0(void *dest)
Definition: memset_test.c:40
void memset_zero_18(void *dest)
Definition: memset_test.c:58
void memset_zero_27(void *dest)
Definition: memset_test.c:67
void memset_zero_20(void *dest)
Definition: memset_test.c:60
void memset_zero_1(void *dest)
Definition: memset_test.c:41
void memset_zero_25(void *dest)
Definition: memset_test.c:65
void memset_zero_30(void *dest)
Definition: memset_test.c:70
void memset_zero_12(void *dest)
Definition: memset_test.c:52
void memset_zero_28(void *dest)
Definition: memset_test.c:68
static void * dest
Definition: strings.h:176
void memset_zero_5(void *dest)
Definition: memset_test.c:45
struct self_test memset_test __self_test
memset() self-test
Definition: memset_test.c:154
void memset_zero_14(void *dest)
Definition: memset_test.c:54
void memset_zero_17(void *dest)
Definition: memset_test.c:57
static void memset_test_exec(void)
Perform memset() self-tests.
Definition: memset_test.c:116
void memset_zero_15(void *dest)
Definition: memset_test.c:55
uint32_t len
Length.
Definition: ena.h:14
void memset_zero_22(void *dest)
Definition: memset_test.c:62
void memset_zero_19(void *dest)
Definition: memset_test.c:59
void memset_zero_21(void *dest)
Definition: memset_test.c:61
void memset_zero_7(void *dest)
Definition: memset_test.c:47
#define MEMSET_TEST_CONSTANT(len)
Perform a constant-length memset() test.
Definition: memset_test.c:91
uint8_t fill
Length pair.
Definition: deflate.h:12
void memset_zero_11(void *dest)
Definition: memset_test.c:51
void memset_zero_23(void *dest)
Definition: memset_test.c:63
void memset_zero_24(void *dest)
Definition: memset_test.c:64
void memset_zero_10(void *dest)
Definition: memset_test.c:50
void memset_zero_9(void *dest)
Definition: memset_test.c:49
void memset_zero_2(void *dest)
Definition: memset_test.c:42
void memset_zero_4(void *dest)
Definition: memset_test.c:44
String functions.
void memset_zero_16(void *dest)
Definition: memset_test.c:56
void * memset(void *dest, int character, size_t len) __nonnull