1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/* encode-1.c -- Test for encoder in libsframe.
Copyright (C) 2022-2024 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include "sframe-api.h"
/* DejaGnu should not use gnulib's vsnprintf replacement here. */
#undef vsnprintf
#include <dejagnu.h>
static int
add_fde1 (sframe_encoder_ctx *encode, int idx)
{
int i, err;
/* A contiguous block containing 4 FREs. */
sframe_frame_row_entry fres[]
= { {0x0, {0x8, 0, 0}, 0x3},
{0x1, {0x10, 0xf0, 0}, 0x5},
{0x4, {0x10, 0xf0, 0}, 0x4},
{0x1a, {0x8, 0xf0, 0}, 0x5}
};
unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1,
SFRAME_FDE_TYPE_PCINC);
err = sframe_encoder_add_funcdesc (encode, 0xfffff03e, 0x1b, finfo, 4);
if (err == -1)
return err;
for (i = 0; i < 4; i++)
if (sframe_encoder_add_fre (encode, idx,fres+i) == SFRAME_ERR)
return -1;
return 0;
}
static int
add_fde2 (sframe_encoder_ctx *encode, int idx)
{
int i, err;
/* A contiguous block containing 4 FREs. */
sframe_frame_row_entry fres[]
= { {0x0, {0x8, 0, 0}, 0x3},
{0x1, {0x10, 0xf0, 0}, 0x5},
{0x4, {0x10, 0xf0, 0}, 0x4},
{0xf, {0x8, 0xf0, 0}, 0x5}
};
unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1,
SFRAME_FDE_TYPE_PCINC);
err = sframe_encoder_add_funcdesc (encode, 0xfffff059, 0x10, finfo, 4);
if (err == -1)
return err;
for (i = 0; i < 4; i++)
if (sframe_encoder_add_fre (encode, idx, fres+i) == SFRAME_ERR)
return -1;
return 0;
}
/*
* SFrame info from the following source (2 fdes, 4 fres in each fde):
* static int cnt;
* int foo() { return ++cnt; }
* int main() { return foo(); }
*/
#define DATA "DATA2"
static int
data_match (char *sframe_buf, size_t sz)
{
FILE *fp;
struct stat st;
char *sf_buf;
size_t sf_size;
int diffs;
fp = fopen (DATA, "r");
if (fp == NULL)
return 0;
if (fstat (fileno (fp), &st) < 0)
{
perror ("fstat");
fclose (fp);
return 0;
}
sf_buf = malloc (st.st_size);
if (sf_buf == NULL)
{
perror ("malloc");
return 0;
}
sf_size = fread (sf_buf, 1, st.st_size, fp);
fclose (fp);
if (sf_size == 0 || sf_buf == NULL)
{
fprintf (stderr, "Encode: Read section failed\n");
return 0;
}
if (sf_size != sz)
return 0;
diffs = memcmp (sf_buf, sframe_buf, sz);
free (sf_buf);
return diffs == 0;
}
int main (void)
{
sframe_encoder_ctx *encode;
sframe_frame_row_entry frep;
char *sframe_buf;
size_t sf_size;
int err = 0;
unsigned int fde_cnt = 0;
int match_p = 0;
#define TEST(name, cond) \
do \
{ \
if (cond) \
pass (name); \
else \
fail (name); \
} \
while (0)
encode = sframe_encode (SFRAME_VERSION, 0,
SFRAME_ABI_AMD64_ENDIAN_LITTLE,
SFRAME_CFA_FIXED_FP_INVALID,
-8, /* Fixed RA offset for AMD64. */
&err);
fde_cnt = sframe_encoder_get_num_fidx (encode);
TEST ("encode-1: Encoder FDE count", fde_cnt == 0);
err = sframe_encoder_add_fre (encode, 1, &frep);
TEST ("encode-1: Encoder update workflow", err == SFRAME_ERR);
err = add_fde1 (encode, 0);
TEST ("encode-1: Encoder adding FDE1", err == 0);
err = add_fde2 (encode, 1);
TEST ("encode-1: Encoder adding FDE2", err == 0);
fde_cnt = sframe_encoder_get_num_fidx (encode);
TEST ("encode-1: Encoder FDE count", fde_cnt == 2);
sframe_buf = sframe_encoder_write (encode, &sf_size, &err);
TEST ("encode-1: Encoder write", err == 0);
match_p = data_match (sframe_buf, sf_size);
TEST ("encode-1: Encode buffer match", match_p == 1);
sframe_encoder_free (&encode);
return 0;
}
|
