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19e559f1 WP |
1 | /* encode-1.c -- Test for encoder in libsframe. |
2 | ||
3 | Copyright (C) 2022 Free Software Foundation, Inc. | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include "config.h" | |
19 | ||
20 | #include <stdlib.h> | |
21 | #include <string.h> | |
22 | #include <sys/stat.h> | |
23 | ||
24 | #include "sframe-api.h" | |
25 | ||
26 | /* DejaGnu should not use gnulib's vsnprintf replacement here. */ | |
27 | #undef vsnprintf | |
28 | #include <dejagnu.h> | |
29 | ||
30 | static int | |
31 | add_fde1 (sframe_encoder_ctx *encode, int idx) | |
32 | { | |
33 | int i, err; | |
34 | /* A contiguous block containing 4 FREs. */ | |
35 | sframe_frame_row_entry fres[] | |
36 | = { {0x0, 0x3, {0x8, 0, 0}}, | |
37 | {0x1, 0x5, {0x10, 0xf0, 0}}, | |
38 | {0x4, 0x4, {0x10, 0xf0, 0}}, | |
39 | {0x1a, 0x5, {0x8, 0xf0, 0}} | |
40 | }; | |
41 | ||
b659fb35 IB |
42 | unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1, |
43 | SFRAME_FDE_TYPE_PCINC); | |
19e559f1 WP |
44 | err = sframe_encoder_add_funcdesc (encode, 0xfffff03e, 0x1b, finfo, 4); |
45 | if (err == -1) | |
46 | return err; | |
47 | ||
48 | for (i = 0; i < 4; i++) | |
49 | if (sframe_encoder_add_fre (encode, idx,fres+i) == SFRAME_ERR) | |
50 | return -1; | |
51 | ||
52 | return 0; | |
53 | } | |
54 | ||
55 | static int | |
56 | add_fde2 (sframe_encoder_ctx *encode, int idx) | |
57 | { | |
58 | int i, err; | |
59 | /* A contiguous block containing 4 FREs. */ | |
60 | sframe_frame_row_entry fres[] | |
61 | = { {0x0, 0x3, {0x8, 0, 0}}, | |
62 | {0x1, 0x5, {0x10, 0xf0, 0}}, | |
63 | {0x4, 0x4, {0x10, 0xf0, 0}}, | |
64 | {0xf, 0x5, {0x8, 0xf0, 0}} | |
65 | }; | |
66 | ||
b659fb35 IB |
67 | unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1, |
68 | SFRAME_FDE_TYPE_PCINC); | |
19e559f1 WP |
69 | err = sframe_encoder_add_funcdesc (encode, 0xfffff059, 0x10, finfo, 4); |
70 | if (err == -1) | |
71 | return err; | |
72 | ||
73 | for (i = 0; i < 4; i++) | |
74 | if (sframe_encoder_add_fre (encode, idx, fres+i) == SFRAME_ERR) | |
75 | return -1; | |
76 | ||
77 | return 0; | |
78 | } | |
79 | ||
80 | /* | |
81 | * SFrame info from the following source (2 fdes, 4 fres in each fde): | |
82 | * static int cnt; | |
83 | * int foo() { return ++cnt; } | |
84 | * int main() { return foo(); } | |
85 | */ | |
86 | #define DATA "DATA2" | |
87 | ||
88 | static int | |
89 | data_match (char *sframe_buf, size_t sz) | |
90 | { | |
91 | FILE *fp; | |
92 | struct stat st; | |
93 | char *sf_buf; | |
94 | size_t sf_size; | |
95 | int diffs; | |
96 | ||
97 | fp = fopen (DATA, "r"); | |
98 | if (fp == NULL) | |
99 | return 0; | |
100 | if (fstat (fileno (fp), &st) < 0) | |
101 | { | |
102 | perror ("fstat"); | |
103 | fclose (fp); | |
104 | return 0; | |
105 | } | |
106 | sf_buf = malloc (st.st_size); | |
107 | if (sf_buf == NULL) | |
108 | { | |
109 | perror ("malloc"); | |
110 | return 0; | |
111 | } | |
112 | sf_size = fread (sf_buf, 1, st.st_size, fp); | |
113 | fclose (fp); | |
114 | if (sf_size == 0 || sf_buf == NULL) | |
115 | { | |
116 | fprintf (stderr, "Encode: Read section failed\n"); | |
117 | return 0; | |
118 | } | |
119 | if (sf_size != sz) | |
120 | return 0; | |
121 | ||
122 | diffs = memcmp (sf_buf, sframe_buf, sz); | |
123 | ||
124 | free (sf_buf); | |
125 | return diffs == 0; | |
126 | } | |
127 | ||
128 | int main (void) | |
129 | { | |
130 | sframe_encoder_ctx *encode; | |
131 | sframe_frame_row_entry frep; | |
132 | char *sframe_buf; | |
133 | size_t sf_size; | |
134 | int err = 0; | |
135 | unsigned int fde_cnt = 0; | |
136 | int match_p = 0; | |
137 | ||
138 | #define TEST(name, cond) \ | |
139 | do \ | |
140 | { \ | |
141 | if (cond) \ | |
142 | pass (name); \ | |
143 | else \ | |
144 | fail (name); \ | |
145 | } \ | |
146 | while (0) | |
147 | ||
148 | encode = sframe_encode (SFRAME_VERSION, 0, | |
149 | SFRAME_ABI_AMD64_ENDIAN_LITTLE, | |
150 | SFRAME_CFA_FIXED_FP_INVALID, | |
151 | -8, /* Fixed RA offset for AMD64. */ | |
152 | &err); | |
153 | ||
154 | fde_cnt = sframe_encoder_get_num_fidx (encode); | |
155 | TEST ("encode-1: Encoder FDE count", fde_cnt == 0); | |
156 | ||
157 | err = sframe_encoder_add_fre (encode, 1, &frep); | |
158 | TEST ("encode-1: Encoder update workflow", err == SFRAME_ERR); | |
159 | ||
160 | err = add_fde1 (encode, 0); | |
161 | TEST ("encode-1: Encoder adding FDE1", err == 0); | |
162 | ||
163 | err = add_fde2 (encode, 1); | |
164 | TEST ("encode-1: Encoder adding FDE2", err == 0); | |
165 | ||
166 | fde_cnt = sframe_encoder_get_num_fidx (encode); | |
167 | TEST ("encode-1: Encoder FDE count", fde_cnt == 2); | |
168 | ||
169 | sframe_buf = sframe_encoder_write (encode, &sf_size, &err); | |
170 | TEST ("encode-1: Encoder write", err == 0); | |
171 | ||
172 | match_p = data_match (sframe_buf, sf_size); | |
173 | TEST ("encode-1: Encode buffer match", match_p == 1); | |
174 | ||
175 | sframe_encoder_free (&encode); | |
176 | return 0; | |
177 | } |