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 <fcntl.h>
23 #include ELFUTILS_HEADER(asm)
24 #include <libelf.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <unistd.h>
29 #include <sys/wait.h>
30 
31 
32 static const char fname[] = "asm-tst4-out.o";
33 
34 
35 int
main(void)36 main (void)
37 {
38   AsmCtx_t *ctx;
39   int result = 0;
40   size_t cnt;
41 
42   elf_version (EV_CURRENT);
43 
44   Ebl *ebl = ebl_openbackend_machine (EM_386);
45   if (ebl == NULL)
46     {
47       puts ("cannot open backend library");
48       return 1;
49     }
50 
51   ctx = asm_begin (fname, ebl, false);
52   if (ctx == NULL)
53     {
54       printf ("cannot create assembler context: %s\n", asm_errmsg (-1));
55       return 1;
56     }
57 
58   /* Create 66000 sections.  */
59   for (cnt = 0; cnt < 66000; ++cnt)
60     {
61       char buf[20];
62       AsmScn_t *scn;
63 
64       /* Create a unique name.  */
65       snprintf (buf, sizeof (buf), ".data.%Zu", cnt);
66 
67       /* Create the section.  */
68       scn = asm_newscn (ctx, buf, SHT_PROGBITS, SHF_ALLOC | SHF_WRITE);
69       if (scn == NULL)
70 	{
71 	  printf ("cannot create section \"%s\" in output file: %s\n",
72 		  buf, asm_errmsg (-1));
73 	  asm_abort (ctx);
74 	  return 1;
75 	}
76 
77       /* Add some content.  */
78       if (asm_adduint32 (scn, cnt) != 0)
79 	{
80 	  printf ("cannot create content of section \"%s\": %s\n",
81 		  buf, asm_errmsg (-1));
82 	  asm_abort (ctx);
83 	  return 1;
84 	}
85     }
86 
87   /* Create the output file.  */
88   if (asm_end (ctx) != 0)
89     {
90       printf ("cannot create output file: %s\n", asm_errmsg (-1));
91       asm_abort (ctx);
92       return 1;
93     }
94 
95   if (result == 0)
96     result = WEXITSTATUS (system ("../src/elflint -q asm-tst4-out.o"));
97 
98   /* We don't need the file anymore.  */
99   unlink (fname);
100 
101   ebl_closebackend (ebl);
102 
103   return result;
104 }
105