1 /* plt-findfre-1.c -- Test for sframe_find_fre for SFRAME_FDE_TYPE_PCMASK.
2
3 Copyright (C) 2023 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_plt_fde1 (sframe_encoder_ctx *ectx, int idx)
32 {
33 int i, err;
34 /* A contiguous block containing 3 FREs. The start_ip_offset must remain
35 less than 16 bytes. */
36 sframe_frame_row_entry fres[]
37 = { {0x0, {0x1, 0, 0}, 0x3},
38 {0x6, {0x2, 0xf0, 0}, 0x5},
39 {0xc, {0x3, 0xf0, 0}, 0x4}
40 };
41
42 unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1,
43 SFRAME_FDE_TYPE_PCMASK);
44 /* 5 pltN entries of 16 bytes each. */
45 err = sframe_encoder_add_funcdesc_v2 (ectx, 0x1000, 16*5, finfo, 16, 3);
46 if (err == -1)
47 return err;
48
49 for (i = 0; i < 3; i++)
50 if (sframe_encoder_add_fre (ectx, idx, fres+i) == SFRAME_ERR)
51 return -1;
52
53 return 0;
54 }
55
56 int main (void)
57 {
58 sframe_encoder_ctx *ectx;
59 sframe_decoder_ctx *dctx;
60 sframe_frame_row_entry frep;
61 char *sframe_buf;
62 size_t sf_size;
63 int err = 0;
64 unsigned int fde_cnt = 0;
65
66 #define TEST(name, cond) \
67 do \
68 { \
69 if (cond) \
70 pass (name); \
71 else \
72 fail (name); \
73 } \
74 while (0)
75
76 ectx = sframe_encode (SFRAME_VERSION, 0, SFRAME_ABI_AMD64_ENDIAN_LITTLE,
77 SFRAME_CFA_FIXED_FP_INVALID,
78 -8, /* Fixed RA offset for AMD64. */
79 &err);
80
81 err = add_plt_fde1 (ectx, 0);
82 TEST ("plt-findfre-1: Adding FDE1 for plt", err == 0);
83
84 fde_cnt = sframe_encoder_get_num_fidx (ectx);
85 TEST ("plt-findfre-1: Test FDE count", fde_cnt == 1);
86
87 sframe_buf = sframe_encoder_write (ectx, &sf_size, &err);
88 TEST ("plt-findfre-1: Encoder write", err == 0);
89
90 dctx = sframe_decode (sframe_buf, sf_size, &err);
91 TEST("plt-findfre-1: Decoder setup", dctx != NULL);
92
93 /* Find the first FRE in PLT1. */
94 err = sframe_find_fre (dctx, (0x1000 + 0x0), &frep);
95 TEST("plt-findfre-1: Find first FRE in PLT1",
96 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x1)));
97
98 /* Find the second FRE. */
99 err = sframe_find_fre (dctx, (0x1000 + 0x6), &frep);
100 TEST("plt-findfre-1: Find second FRE in PLT1",
101 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x2)));
102
103 /* Find the last FRE. */
104 err = sframe_find_fre (dctx, (0x1000 + 0xc), &frep);
105 TEST("plt-findfre-1: Find last FRE in PLT1",
106 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x3)));
107
108 /* Find the first FRE in PLT4. */
109 err = sframe_find_fre (dctx, (0x1000 + 16*3 + 0x0), &frep);
110 TEST("plt-findfre-1: Find first FRE in PLT4",
111 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x1)));
112
113 /* Find the second FRE in PLT4. */
114 err = sframe_find_fre (dctx, (0x1000 + 16*3 + 0x6), &frep);
115 TEST("plt-findfre-1: Find second FRE in PLT4",
116 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x2)));
117
118 /* Find the last FRE in PLT4. */
119 err = sframe_find_fre (dctx, (0x1000 + 16*3 + 0xc), &frep);
120 TEST("plt-findfre-1: Find last FRE in PLT4",
121 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x3)));
122
123 sframe_encoder_free (&ectx);
124 sframe_decoder_free (&dctx);
125
126 return 0;
127 }