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