xref: /third_party/elfutils/tests/asm-tst4.c (revision da0c48c4)
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 ELFUTILS_HEADER(ebl)
25#include <libelf.h>
26#include <stdio.h>
27#include <stdlib.h>
28#include <string.h>
29#include <unistd.h>
30#include <sys/wait.h>
31
32
33static const char fname[] = "asm-tst4-out.o";
34
35
36int
37main (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  /* Create 66000 sections.  */
60  for (cnt = 0; cnt < 66000; ++cnt)
61    {
62      char buf[20];
63      AsmScn_t *scn;
64
65      /* Create a unique name.  */
66      snprintf (buf, sizeof (buf), ".data.%zu", cnt);
67
68      /* Create the section.  */
69      scn = asm_newscn (ctx, buf, SHT_PROGBITS, SHF_ALLOC | SHF_WRITE);
70      if (scn == NULL)
71	{
72	  printf ("cannot create section \"%s\" in output file: %s\n",
73		  buf, asm_errmsg (-1));
74	  asm_abort (ctx);
75	  return 1;
76	}
77
78      /* Add some content.  */
79      if (asm_adduint32 (scn, cnt) != 0)
80	{
81	  printf ("cannot create content of section \"%s\": %s\n",
82		  buf, asm_errmsg (-1));
83	  asm_abort (ctx);
84	  return 1;
85	}
86    }
87
88  /* Create the output file.  */
89  if (asm_end (ctx) != 0)
90    {
91      printf ("cannot create output file: %s\n", asm_errmsg (-1));
92      asm_abort (ctx);
93      return 1;
94    }
95
96  if (result == 0)
97    result = WEXITSTATUS (system ("../src/elflint -q asm-tst4-out.o"));
98
99  /* We don't need the file anymore.  */
100  unlink (fname);
101
102  ebl_closebackend (ebl);
103
104  return result;
105}
106