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 #include "system.h"
32 
33 
34 static const char fname[] = "asm-tst5-out.o";
35 
36 
37 int
38 main (void)
39 {
40   AsmCtx_t *ctx;
41   int result = 0;
42   size_t cnt;
43 
44   elf_version (EV_CURRENT);
45 
46   Ebl *ebl = ebl_openbackend_machine (EM_386);
47   if (ebl == NULL)
48     {
49       puts ("cannot open backend library");
50       return 1;
51     }
52 
53   ctx = asm_begin (fname, ebl, false);
54   if (ctx == NULL)
55     {
56       printf ("cannot create assembler context: %s\n", asm_errmsg (-1));
57       return 1;
58     }
59 
60   /* Create 66000 sections.  */
61   for (cnt = 0; cnt < 66000; ++cnt)
62     {
63       char buf[20];
64       AsmScn_t *scn;
65 
66       /* Create a unique name.  */
67       snprintf (buf, sizeof (buf), ".data.%zu", cnt);
68 
69       /* Create the section.  */
70       scn = asm_newscn (ctx, buf, SHT_PROGBITS, SHF_ALLOC | SHF_WRITE);
71       if (scn == NULL)
72 	{
73 	  printf ("cannot create section \"%s\" in output file: %s\n",
74 		  buf, asm_errmsg (-1));
75 	  asm_abort (ctx);
76 	  return 1;
77 	}
78 
79       /* Add a name.  */
80       snprintf (buf, sizeof (buf), "%zu", cnt);
81       if (asm_newsym (scn, buf, sizeof (uint32_t), STT_OBJECT,
82 		      STB_GLOBAL) == NULL)
83 	{
84 	  printf ("cannot create symbol \"%s\": %s\n", buf, asm_errmsg (-1));
85 	  asm_abort (ctx);
86 	  return 1;
87 	}
88 
89       /* Add some content.  */
90       if (asm_adduint32 (scn, cnt) != 0)
91 	{
92 	  printf ("cannot create content of section \"%s\": %s\n",
93 		  buf, asm_errmsg (-1));
94 	  asm_abort (ctx);
95 	  return 1;
96 	}
97     }
98 
99   /* Create the output file.  */
100   if (asm_end (ctx) != 0)
101     {
102       printf ("cannot create output file: %s\n", asm_errmsg (-1));
103       asm_abort (ctx);
104       return 1;
105     }
106 
107   if (result == 0)
108     result = WEXITSTATUS (system ("../src/elflint -q asm-tst5-out.o"));
109 
110   /* We don't need the file anymore.  */
111   unlink (fname);
112 
113   ebl_closebackend (ebl);
114 
115   return result;
116 }
117