diff options
Diffstat (limited to 'tests/get-units-split.c')
-rw-r--r-- | tests/get-units-split.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/tests/get-units-split.c b/tests/get-units-split.c new file mode 100644 index 00000000..410483a0 --- /dev/null +++ b/tests/get-units-split.c @@ -0,0 +1,101 @@ +/* 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; +} |