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      1 /* Copyright (C) 2002-2012 Red Hat, Inc.
      2    This file is part of elfutils.
      3    Written by Ulrich Drepper <drepper (at) 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