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-rw-r--r--tests/attr-integrate-skel.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/tests/attr-integrate-skel.c b/tests/attr-integrate-skel.c
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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;
+ 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;
+}