2 * Copyright (c) 1999 - 2004 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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36 #ifdef HAVE_SYS_MMAN_H
46 /* #undef HAVE_MMAP */
53 enum rk_test_mem_type type
;
59 struct sigaction sa
, osa
;
74 char msg
[] = "SIGSEGV i current test: ";
76 fd
= open("/dev/stdout", O_WRONLY
, 0600);
78 ret
= write(fd
, msg
, sizeof(msg
) - 1);
80 ret
= write(fd
, testname
, strlen(testname
));
82 ret
= write(fd
, "\n", 1);
90 errx(1, "test %s run recursively on %s", name, testname); \
91 testname = strdup(name); \
92 if (testname == NULL) \
96 ROKEN_LIB_FUNCTION
void * ROKEN_LIB_CALL
97 rk_test_mem_alloc(enum rk_test_mem_type type
, const char *name
,
98 void *buf
, size_t size
)
105 p
= malloc(size
+ 2);
112 p
[map
.size
-1] = 0xff;
113 map
.data_start
= p
+ 1;
117 size_t pagesize
= getpagesize();
128 fd
= open ("/dev/zero", O_RDONLY
);
130 err (1, "open /dev/zero");
133 flags
|= MAP_PRIVATE
;
135 map
.size
= size
+ pagesize
- (size
% pagesize
) + pagesize
* 2;
137 p
= (unsigned char *)mmap(0, map
.size
, PROT_READ
| PROT_WRITE
,
139 if (p
== (unsigned char *)MAP_FAILED
)
144 ret
= mprotect ((void *)p
, pagesize
, 0);
148 ret
= mprotect (p
+ map
.size
- pagesize
, pagesize
, 0);
154 map
.data_start
= p
+ map
.size
- pagesize
- size
;
157 map
.data_start
= p
+ pagesize
;
163 #ifdef HAVE_SIGACTION
164 sigemptyset (&sa
.sa_mask
);
167 sa
.sa_flags
|= SA_RESETHAND
;
169 sa
.sa_handler
= segv_handler
;
170 sigaction (SIGSEGV
, &sa
, &osa
);
172 osigh
= signal(SIGSEGV
, segv_handler
);
175 map
.data_size
= size
;
177 memcpy(map
.data_start
, buf
, size
);
178 return map
.data_start
;
181 ROKEN_LIB_FUNCTION
void ROKEN_LIB_CALL
182 rk_test_mem_free(const char *map_name
)
185 unsigned char *p
= map
.start
;
187 if (testname
== NULL
)
188 errx(1, "test_mem_free call on no free");
191 errx(1, "%s: %s underrun %x\n", testname
, map_name
, p
[0]);
192 if (p
[map
.size
-1] != 0xff)
193 errx(1, "%s: %s overrun %x\n", testname
, map_name
, p
[map
.size
- 1]);
198 if (testname
== NULL
)
199 errx(1, "test_mem_free call on no free");
201 ret
= munmap (map
.start
, map
.size
);
210 #ifdef HAVE_SIGACTION
211 sigaction (SIGSEGV
, &osa
, NULL
);
213 signal (SIGSEGV
, osigh
);