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