153 lines
2.9 KiB
C
153 lines
2.9 KiB
C
#include "util.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
|
|
#include "machine.h"
|
|
#include "symbol.h"
|
|
#include "tests.h"
|
|
|
|
static char *test_file(int size)
|
|
{
|
|
static char buf_templ[] = "/tmp/test-XXXXXX";
|
|
char *templ = buf_templ;
|
|
int fd, i;
|
|
unsigned char *buf;
|
|
|
|
fd = mkstemp(templ);
|
|
if (fd < 0) {
|
|
perror("mkstemp failed");
|
|
return NULL;
|
|
}
|
|
|
|
buf = malloc(size);
|
|
if (!buf) {
|
|
close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
for (i = 0; i < size; i++)
|
|
buf[i] = (unsigned char) ((int) i % 10);
|
|
|
|
if (size != write(fd, buf, size))
|
|
templ = NULL;
|
|
|
|
free(buf);
|
|
close(fd);
|
|
return templ;
|
|
}
|
|
|
|
#define TEST_FILE_SIZE (DSO__DATA_CACHE_SIZE * 20)
|
|
|
|
struct test_data_offset {
|
|
off_t offset;
|
|
u8 data[10];
|
|
int size;
|
|
};
|
|
|
|
struct test_data_offset offsets[] = {
|
|
/* Fill first cache page. */
|
|
{
|
|
.offset = 10,
|
|
.data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
|
|
.size = 10,
|
|
},
|
|
/* Read first cache page. */
|
|
{
|
|
.offset = 10,
|
|
.data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
|
|
.size = 10,
|
|
},
|
|
/* Fill cache boundary pages. */
|
|
{
|
|
.offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
|
|
.data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
|
|
.size = 10,
|
|
},
|
|
/* Read cache boundary pages. */
|
|
{
|
|
.offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
|
|
.data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
|
|
.size = 10,
|
|
},
|
|
/* Fill final cache page. */
|
|
{
|
|
.offset = TEST_FILE_SIZE - 10,
|
|
.data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
|
|
.size = 10,
|
|
},
|
|
/* Read final cache page. */
|
|
{
|
|
.offset = TEST_FILE_SIZE - 10,
|
|
.data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
|
|
.size = 10,
|
|
},
|
|
/* Read final cache page. */
|
|
{
|
|
.offset = TEST_FILE_SIZE - 3,
|
|
.data = { 7, 8, 9, 0, 0, 0, 0, 0, 0, 0 },
|
|
.size = 3,
|
|
},
|
|
};
|
|
|
|
int test__dso_data(void)
|
|
{
|
|
struct machine machine;
|
|
struct dso *dso;
|
|
char *file = test_file(TEST_FILE_SIZE);
|
|
size_t i;
|
|
|
|
TEST_ASSERT_VAL("No test file", file);
|
|
|
|
memset(&machine, 0, sizeof(machine));
|
|
|
|
dso = dso__new((const char *)file);
|
|
|
|
/* Basic 10 bytes tests. */
|
|
for (i = 0; i < ARRAY_SIZE(offsets); i++) {
|
|
struct test_data_offset *data = &offsets[i];
|
|
ssize_t size;
|
|
u8 buf[10];
|
|
|
|
memset(buf, 0, 10);
|
|
size = dso__data_read_offset(dso, &machine, data->offset,
|
|
buf, 10);
|
|
|
|
TEST_ASSERT_VAL("Wrong size", size == data->size);
|
|
TEST_ASSERT_VAL("Wrong data", !memcmp(buf, data->data, 10));
|
|
}
|
|
|
|
/* Read cross multiple cache pages. */
|
|
{
|
|
ssize_t size;
|
|
int c;
|
|
u8 *buf;
|
|
|
|
buf = malloc(TEST_FILE_SIZE);
|
|
TEST_ASSERT_VAL("ENOMEM\n", buf);
|
|
|
|
/* First iteration to fill caches, second one to read them. */
|
|
for (c = 0; c < 2; c++) {
|
|
memset(buf, 0, TEST_FILE_SIZE);
|
|
size = dso__data_read_offset(dso, &machine, 10,
|
|
buf, TEST_FILE_SIZE);
|
|
|
|
TEST_ASSERT_VAL("Wrong size",
|
|
size == (TEST_FILE_SIZE - 10));
|
|
|
|
for (i = 0; i < (size_t)size; i++)
|
|
TEST_ASSERT_VAL("Wrong data",
|
|
buf[i] == (i % 10));
|
|
}
|
|
|
|
free(buf);
|
|
}
|
|
|
|
dso__delete(dso);
|
|
unlink(file);
|
|
return 0;
|
|
}
|