diff options
Diffstat (limited to 'tests/attr-integrate-skel.c')
-rw-r--r-- | tests/attr-integrate-skel.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/tests/attr-integrate-skel.c b/tests/attr-integrate-skel.c new file mode 100644 index 00000000..644cd272 --- /dev/null +++ b/tests/attr-integrate-skel.c @@ -0,0 +1,109 @@ +/* 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; + Dwarf_Half version; + int count = 0; + while (dwarf_get_units (dbg, cu, &cu, &version, + &unit_type, &cudie, &subdie) == 0) + { + count++; + if (unit_type == DW_UT_skeleton) + { + Dwarf_Attribute attr; + Dwarf_Word word; + Dwarf_Addr addr; + + printf ("Split DIE: %s\n", dwarf_diename (&subdie)); + + if (dwarf_attr_integrate (&subdie, + DW_AT_GNU_addr_base, &attr) == NULL + && dwarf_attr_integrate (&subdie, + DW_AT_addr_base, &attr) == NULL) + printf ("No addr_base"); + else if (dwarf_formudata (&attr, &word) != 0) + printf ("Bad addr_base: %s\n", dwarf_errmsg (-1)); + else + printf ("addr_base secoff: 0x%" PRIx64 "\n", word); + + if (dwarf_attr (&subdie, DW_AT_low_pc, &attr) != NULL) + printf ("Unexpected low_pc on split DIE.\n"); + + if (dwarf_attr_integrate (&subdie, + DW_AT_low_pc, &attr) == NULL) + printf ("No low_pc"); + else if (dwarf_formaddr (&attr, &addr) != 0) + printf ("Bad low_pc: %s\n", dwarf_errmsg (-1)); + else + printf ("low_pc addr: 0x%" PRIx64 "\n", addr); + + if (dwarf_hasattr (&subdie, DW_AT_high_pc)) + printf ("Unexpected highpc on split DIE\n"); + if (dwarf_hasattr (&subdie, DW_AT_ranges)) + printf ("Unexpected ranges on split DIE\n"); + + if (dwarf_hasattr_integrate (&subdie, DW_AT_high_pc)) + printf ("Skel has high_pc.\n"); + if (dwarf_hasattr_integrate (&subdie, DW_AT_ranges)) + printf ("Skel has ranges.\n"); + + printf ("\n"); + } + } + + if (count == 0) + { + printf ("No units found\n"); + return -1; + } + + dwarf_end (dbg); + close (fd); + } + + return 0; +} |