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/* Test dwarf_get_units finds split DWO CUs.
Copyright (C) 2018 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 <dwarf.h>
#include ELFUTILS_HEADER(dw)
#include <stdio.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
int
main (int argc, char *argv[])
{
for (int i = 1; i < argc; i++)
{
printf ("file: %s\n", argv[i]);
int fd = open (argv[i], O_RDONLY);
Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
if (dbg == NULL)
{
printf ("%s not usable: %s\n", argv[i], dwarf_errmsg (-1));
return -1;
}
Dwarf_CU *cu = NULL;
Dwarf_Die cudie, subdie;
uint8_t unit_type;
int count = 0;
while (dwarf_get_units (dbg, cu, &cu, NULL,
&unit_type, &cudie, &subdie) == 0)
{
count++;
printf ("Got cudie unit_type: %" PRIx8 "\n", unit_type);
if (unit_type == DW_UT_skeleton)
{
Dwarf_CU *skel_cu = cudie.cu;
Dwarf_CU *split_cu = subdie.cu;
Dwarf_Die skel_die, split_die;
uint64_t skel_id, split_id;
printf ("Found a skeleton unit, with split die: %s\n",
dwarf_diename (&subdie));
if (dwarf_cu_die (skel_cu, &skel_die, NULL, NULL, NULL, NULL,
&skel_id, NULL) == NULL)
{
printf ("bad skel_cu: %s\n", dwarf_errmsg (-1));
return -1;
}
if (dwarf_cu_die (split_cu, &split_die, NULL, NULL, NULL, NULL,
&split_id, NULL) == NULL)
{
printf ("bad skel_cu: %s\n", dwarf_errmsg (-1));
return -1;
}
if (skel_id != split_id)
{
printf ("Skeleton id and Split id not equal!\n");
return -1;
}
}
}
if (count == 0)
{
printf ("No units found\n");
return -1;
}
dwarf_end (dbg);
close (fd);
printf ("\n");
}
return 0;
}
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