1 /* Copyright (C) 2002, 2005 Red Hat, Inc.
2 This file is part of elfutils.
3 Written by Ulrich Drepper <drepper@redhat.com>, 2002.
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.
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.
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/>. */
24 #include ELFUTILS_HEADER(asm)
30 static const char fname[] = "asm-tst8-out.o";
42 elf_version (EV_CURRENT);
44 Ebl *ebl = ebl_openbackend_machine (EM_386);
47 puts ("cannot open backend library");
51 ctx = asm_begin (fname, ebl, false);
54 printf ("cannot create assembler context: %s\n", asm_errmsg (-1));
58 if (asm_newabssym (ctx, "tst8-out.s", 4, 0xfeedbeef, STT_FILE, STB_LOCAL)
61 printf ("cannot create absolute symbol: %s\n", asm_errmsg (-1));
66 /* Create the output file. */
67 if (asm_end (ctx) != 0)
69 printf ("cannot create output file: %s\n", asm_errmsg (-1));
75 fd = open (fname, O_RDONLY);
78 printf ("cannot open generated file: %m\n");
83 elf = elf_begin (fd, ELF_C_READ, NULL);
86 printf ("cannot create ELF descriptor: %s\n", elf_errmsg (-1));
90 if (elf_kind (elf) != ELF_K_ELF)
92 puts ("not a valid ELF file");
97 for (cnt = 1; 1; ++cnt)
103 scn = elf_getscn (elf, cnt);
106 printf ("cannot get section %Zd: %s\n", cnt, elf_errmsg (-1));
111 shdr = gelf_getshdr (scn, &shdr_mem);
114 printf ("cannot get section header for section %Zd: %s\n",
115 cnt, elf_errmsg (-1));
119 /* We are looking for the symbol table. */
120 if (shdr->sh_type != SHT_SYMTAB)
123 for (cnt = 1; cnt< (shdr->sh_size
124 / gelf_fsize (elf, ELF_T_SYM, 1, EV_CURRENT));
132 puts ("too many symbol");
137 sym = gelf_getsym (elf_getdata (scn, NULL), cnt, &sym_mem);
140 printf ("cannot get symbol %zu: %s\n", cnt, elf_errmsg (-1));
145 if (sym->st_shndx != SHN_ABS)
147 printf ("expected common symbol, got section %u\n",
148 (unsigned int) sym->st_shndx);
152 if (sym->st_value != 0xfeedbeef)
154 printf ("requested value 0xfeedbeef, is %#" PRIxMAX "\n",
155 (uintmax_t) sym->st_value);
159 if (sym->st_size != 4)
161 printf ("requested size 4, is %" PRIuMAX "\n",
162 (uintmax_t) sym->st_value);
166 if (GELF_ST_TYPE (sym->st_info) != STT_FILE)
168 printf ("requested type FILE, is %u\n",
169 (unsigned int) GELF_ST_TYPE (sym->st_info));
183 /* We don't need the file anymore. */
186 ebl_closebackend (ebl);