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(asm)
23 #include <libelf.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <unistd.h>
27 #include <sys/wait.h>
28 
29 #include <system.h>
30 
31 
32 static const char fname[] = "asm-tst6-out.o";
33 
34 
35 int
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   for (cnt = 0; cnt < 22000; ++cnt)
59     {
60       char buf[512];
61       AsmScnGrp_t *grp;
62       AsmScn_t *scn;
63       AsmSym_t *sym;
64 
65       snprintf (buf, sizeof (buf), ".grp%zu", cnt);
66       grp = asm_newscngrp (ctx, buf, NULL, 0);
67       if (grp == NULL)
68 	{
69 	  printf ("cannot section group %zu: %s\n", cnt, asm_errmsg (-1));
70 	  asm_abort (ctx);
71 	  return 1;
72 	}
73 
74       scn = asm_newscn_ingrp (ctx, ".data", SHT_PROGBITS,
75 			      SHF_ALLOC | SHF_WRITE, grp);
76       if (scn == NULL)
77 	{
78 	  printf ("cannot data section for group %zu: %s\n",
79 		  cnt, asm_errmsg (-1));
80 	  asm_abort (ctx);
81 	  return 1;
82 	}
83 
84       /* Add a name.  */
85       snprintf (buf, sizeof (buf), "%zu", cnt);
86       sym = asm_newsym (scn, buf, sizeof (uint32_t), STT_OBJECT,
87 			STB_GLOBAL);
88       if (sym == NULL)
89 	{
90 	  printf ("cannot create symbol \"%s\": %s\n", buf, asm_errmsg (-1));
91 	  asm_abort (ctx);
92 	  return 1;
93 	}
94 
95       /* Add some content.  */
96       if (asm_adduint32 (scn, cnt) != 0)
97 	{
98 	  printf ("cannot create content of section \"%s\": %s\n",
99 		  buf, asm_errmsg (-1));
100 	  asm_abort (ctx);
101 	  return 1;
102 	}
103 
104       /* Now we have a symbol, use it as the signature.  */
105       if (asm_scngrp_newsignature (grp, sym) != 0)
106 	{
107 	  printf ("cannot set signature for section group %zu: %s\n",
108 		  cnt, asm_errmsg (-1));
109 	  asm_abort (ctx);
110 	  return 1;
111 	}
112 
113       /* Create a phony debug info section.  */
114       scn = asm_newscn_ingrp (ctx, ".stab", SHT_PROGBITS, 0, grp);
115       if (scn == NULL)
116 	{
117 	  printf ("cannot stab section for group %zu: %s\n",
118 		  cnt, asm_errmsg (-1));
119 	  asm_abort (ctx);
120 	  return 1;
121 	}
122 
123       /* Add some content.  */
124       if (asm_adduint32 (scn, cnt) != 0)
125 	{
126 	  printf ("cannot create content of section \"%s\": %s\n",
127 		  buf, asm_errmsg (-1));
128 	  asm_abort (ctx);
129 	  return 1;
130 	}
131     }
132 
133   /* Create the output file.  */
134   if (asm_end (ctx) != 0)
135     {
136       printf ("cannot create output file: %s\n", asm_errmsg (-1));
137       asm_abort (ctx);
138       return 1;
139     }
140 
141   if (result == 0)
142     result = WEXITSTATUS (system ("../src/elflint -q asm-tst6-out.o"));
143 
144   /* We don't need the file anymore.  */
145   unlink (fname);
146 
147   ebl_closebackend (ebl);
148 
149   return result;
150 }
151