/* Copyright (C) 2005, 2013 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <err.h>
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#include <fcntl.h>
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#include ELFUTILS_HEADER(dw)
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#include ELFUTILS_HEADER(dwelf)
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#include <stdio.h>
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#include <unistd.h>
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static int
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cb (Dwarf_Die *func, void *arg __attribute__ ((unused)))
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{
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const char *file = dwarf_decl_file (func);
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int line = -1;
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dwarf_decl_line (func, &line);
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const char *fct = dwarf_diename (func);
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printf ("%s:%d:%s\n", file, line, fct);
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return DWARF_CB_ABORT;
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}
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static Dwarf *
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setup_alt (Dwarf *main)
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{
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const char *alt_name;
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const void *build_id;
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ssize_t ret = dwelf_dwarf_gnu_debugaltlink (main, &alt_name, &build_id);
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if (ret == 0)
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return NULL;
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if (ret == -1)
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errx (1, "dwelf_dwarf_gnu_debugaltlink: %s", dwarf_errmsg (-1));
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int fd = open (alt_name, O_RDONLY);
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if (fd < 0)
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{
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printf ("Warning: no alt file found.\n");
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return NULL;
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}
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Dwarf *dbg_alt = dwarf_begin (fd, DWARF_C_READ);
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if (dbg_alt == NULL)
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errx (1, "dwarf_begin (%s): %s", alt_name, dwarf_errmsg (-1));
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if (elf_cntl (dwarf_getelf (dbg_alt), ELF_C_FDREAD) != 0)
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errx (1, "elf_cntl (%s, ELF_C_FDREAD): %s", alt_name, elf_errmsg (-1));
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close (fd);
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dwarf_setalt (main, dbg_alt);
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return dbg_alt;
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}
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int
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main (int argc, char *argv[])
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{
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for (int i = 1; i < argc; ++i)
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{
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int fd = open (argv[i], O_RDONLY);
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if (fd < 0)
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err (1, "open (%s)", argv[i]);
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Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
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if (dbg != NULL)
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{
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Dwarf_Off off = 0;
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size_t cuhl;
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Dwarf_Off noff;
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Dwarf *dbg_alt = setup_alt (dbg);
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while (dwarf_nextcu (dbg, off, &noff, &cuhl, NULL, NULL, NULL) == 0)
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{
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Dwarf_Die die_mem;
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Dwarf_Die *die = dwarf_offdie (dbg, off + cuhl, &die_mem);
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/* Explicitly stop in the callback and then resume each time. */
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ptrdiff_t doff = 0;
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do
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{
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doff = dwarf_getfuncs (die, cb, NULL, doff);
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if (dwarf_errno () != 0)
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errx (1, "dwarf_getfuncs (%s): %s",
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argv[i], dwarf_errmsg (-1));
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}
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while (doff != 0);
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off = noff;
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}
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dwarf_end (dbg_alt);
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dwarf_end (dbg);
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}
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else
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errx (1, "dwarf_begin (%s): %s", argv[i], dwarf_errmsg (-1));
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close (fd);
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}
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}
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