1 /* Copyright (C) 2002-2012 Red Hat, Inc.
2 This file is part of elfutils.
3 Written by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 This file 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 elfutils is distributed in the hope that it will be useful, but
11 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 #ifdef HAVE_CONFIG_H
19 # include <config.h>
20 #endif
21
22 #include ELFUTILS_HEADER(ebl)
23 #include ELFUTILS_HEADER(asm)
24 #include <libelf.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <unistd.h>
28 #include <sys/wait.h>
29
30 #include <system.h>
31
32
33 static const char fname[] = "asm-tst6-out.o";
34
35
36 int
main(void)37 main (void)
38 {
39 AsmCtx_t *ctx;
40 int result = 0;
41 size_t cnt;
42
43 elf_version (EV_CURRENT);
44
45 Ebl *ebl = ebl_openbackend_machine (EM_386);
46 if (ebl == NULL)
47 {
48 puts ("cannot open backend library");
49 return 1;
50 }
51
52 ctx = asm_begin (fname, ebl, false);
53 if (ctx == NULL)
54 {
55 printf ("cannot create assembler context: %s\n", asm_errmsg (-1));
56 return 1;
57 }
58
59 for (cnt = 0; cnt < 22000; ++cnt)
60 {
61 char buf[512];
62 AsmScnGrp_t *grp;
63 AsmScn_t *scn;
64 AsmSym_t *sym;
65
66 snprintf (buf, sizeof (buf), ".grp%zu", cnt);
67 grp = asm_newscngrp (ctx, buf, NULL, 0);
68 if (grp == NULL)
69 {
70 printf ("cannot section group %zu: %s\n", cnt, asm_errmsg (-1));
71 asm_abort (ctx);
72 return 1;
73 }
74
75 scn = asm_newscn_ingrp (ctx, ".data", SHT_PROGBITS,
76 SHF_ALLOC | SHF_WRITE, grp);
77 if (scn == NULL)
78 {
79 printf ("cannot data section for group %zu: %s\n",
80 cnt, asm_errmsg (-1));
81 asm_abort (ctx);
82 return 1;
83 }
84
85 /* Add a name. */
86 snprintf (buf, sizeof (buf), "%zu", cnt);
87 sym = asm_newsym (scn, buf, sizeof (uint32_t), STT_OBJECT,
88 STB_GLOBAL);
89 if (sym == NULL)
90 {
91 printf ("cannot create symbol \"%s\": %s\n", buf, asm_errmsg (-1));
92 asm_abort (ctx);
93 return 1;
94 }
95
96 /* Add some content. */
97 if (asm_adduint32 (scn, cnt) != 0)
98 {
99 printf ("cannot create content of section \"%s\": %s\n",
100 buf, asm_errmsg (-1));
101 asm_abort (ctx);
102 return 1;
103 }
104
105 /* Now we have a symbol, use it as the signature. */
106 if (asm_scngrp_newsignature (grp, sym) != 0)
107 {
108 printf ("cannot set signature for section group %zu: %s\n",
109 cnt, asm_errmsg (-1));
110 asm_abort (ctx);
111 return 1;
112 }
113
114 /* Create a phony debug info section. */
115 scn = asm_newscn_ingrp (ctx, ".stab", SHT_PROGBITS, 0, grp);
116 if (scn == NULL)
117 {
118 printf ("cannot stab section for group %zu: %s\n",
119 cnt, asm_errmsg (-1));
120 asm_abort (ctx);
121 return 1;
122 }
123
124 /* Add some content. */
125 if (asm_adduint32 (scn, cnt) != 0)
126 {
127 printf ("cannot create content of section \"%s\": %s\n",
128 buf, asm_errmsg (-1));
129 asm_abort (ctx);
130 return 1;
131 }
132 }
133
134 /* Create the output file. */
135 if (asm_end (ctx) != 0)
136 {
137 printf ("cannot create output file: %s\n", asm_errmsg (-1));
138 asm_abort (ctx);
139 return 1;
140 }
141
142 if (result == 0)
143 result = WEXITSTATUS (system ("../src/elflint -q asm-tst6-out.o"));
144
145 /* We don't need the file anymore. */
146 unlink (fname);
147
148 ebl_closebackend (ebl);
149
150 return result;
151 }
152