1 /* Copyright (C) 2002, 2004, 2005 Red Hat, Inc. 2 This file is part of Red Hat elfutils. 3 Written by Ulrich Drepper <drepper (at) redhat.com>, 2002. 4 5 Red Hat elfutils is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by the 7 Free Software Foundation; version 2 of the License. 8 9 Red Hat elfutils is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 General Public License for more details. 13 14 You should have received a copy of the GNU General Public License along 15 with Red Hat elfutils; if not, write to the Free Software Foundation, 16 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 17 18 Red Hat elfutils is an included package of the Open Invention Network. 19 An included package of the Open Invention Network is a package for which 20 Open Invention Network licensees cross-license their patents. No patent 21 license is granted, either expressly or impliedly, by designation as an 22 included package. Should you wish to participate in the Open Invention 23 Network licensing program, please visit www.openinventionnetwork.com 24 <http://www.openinventionnetwork.com>. */ 25 26 #ifdef HAVE_CONFIG_H 27 # include <config.h> 28 #endif 29 30 #include ELFUTILS_HEADER(asm) 31 #include <libelf.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <unistd.h> 35 #include <sys/wait.h> 36 37 #include <system.h> 38 39 40 static const char fname[] = "asm-tst6-out.o"; 41 42 43 int 44 main (void) 45 { 46 AsmCtx_t *ctx; 47 int result = 0; 48 size_t cnt; 49 50 elf_version (EV_CURRENT); 51 52 Ebl *ebl = ebl_openbackend_machine (EM_386); 53 if (ebl == NULL) 54 { 55 puts ("cannot open backend library"); 56 return 1; 57 } 58 59 ctx = asm_begin (fname, ebl, false); 60 if (ctx == NULL) 61 { 62 printf ("cannot create assembler context: %s\n", asm_errmsg (-1)); 63 return 1; 64 } 65 66 for (cnt = 0; cnt < 22000; ++cnt) 67 { 68 char buf[512]; 69 AsmScnGrp_t *grp; 70 AsmScn_t *scn; 71 AsmSym_t *sym; 72 73 snprintf (buf, sizeof (buf), ".grp%Zu", cnt); 74 grp = asm_newscngrp (ctx, buf, NULL, 0); 75 if (grp == NULL) 76 { 77 printf ("cannot section group %Zu: %s\n", cnt, asm_errmsg (-1)); 78 asm_abort (ctx); 79 return 1; 80 } 81 82 scn = asm_newscn_ingrp (ctx, ".data", SHT_PROGBITS, 83 SHF_ALLOC | SHF_WRITE, grp); 84 if (scn == NULL) 85 { 86 printf ("cannot data section for group %Zu: %s\n", 87 cnt, asm_errmsg (-1)); 88 asm_abort (ctx); 89 return 1; 90 } 91 92 /* Add a name. */ 93 snprintf (buf, sizeof (buf), "%Zu", cnt); 94 sym = asm_newsym (scn, buf, sizeof (uint32_t), STT_OBJECT, 95 STB_GLOBAL); 96 if (sym == NULL) 97 { 98 printf ("cannot create symbol \"%s\": %s\n", buf, asm_errmsg (-1)); 99 asm_abort (ctx); 100 return 1; 101 } 102 103 /* Add some content. */ 104 if (asm_adduint32 (scn, cnt) != 0) 105 { 106 printf ("cannot create content of section \"%s\": %s\n", 107 buf, asm_errmsg (-1)); 108 asm_abort (ctx); 109 return 1; 110 } 111 112 /* Now we have a symbol, use it as the signature. */ 113 if (asm_scngrp_newsignature (grp, sym) != 0) 114 { 115 printf ("cannot set signature for section group %Zu: %s\n", 116 cnt, asm_errmsg (-1)); 117 asm_abort (ctx); 118 return 1; 119 } 120 121 /* Create a phony debug info section. */ 122 scn = asm_newscn_ingrp (ctx, ".stab", SHT_PROGBITS, 0, grp); 123 if (scn == NULL) 124 { 125 printf ("cannot stab section for group %Zu: %s\n", 126 cnt, asm_errmsg (-1)); 127 asm_abort (ctx); 128 return 1; 129 } 130 131 /* Add some content. */ 132 if (asm_adduint32 (scn, cnt) != 0) 133 { 134 printf ("cannot create content of section \"%s\": %s\n", 135 buf, asm_errmsg (-1)); 136 asm_abort (ctx); 137 return 1; 138 } 139 } 140 141 /* Create the output file. */ 142 if (asm_end (ctx) != 0) 143 { 144 printf ("cannot create output file: %s\n", asm_errmsg (-1)); 145 asm_abort (ctx); 146 return 1; 147 } 148 149 if (result == 0) 150 result = WEXITSTATUS (system ("\ 151 env LD_LIBRARY_PATH=../libelf ../src/elflint -q asm-tst6-out.o")); 152 153 /* We don't need the file anymore. */ 154 unlink (fname); 155 156 ebl_closebackend (ebl); 157 158 return result; 159 } 160
