Merge tag 'elfutils-0.173' into mjw/RH-DTSdts-0.173

elfutils 0.173 release

Removed riscv backend for now.
Removed new arm32 tests.
Added various new files to libdw_static_pic.a to support split dwarf.

1 files changed, 186 insertions, 0 deletions

diff --git a/tests/dwarf-die-addr-die.c b/tests/dwarf-die-addr-die.c
new file mode 100644
index 00000000..7899988f
--- /dev/null
+++ b/tests/dwarf-die-addr-die.c
@@ -0,0 +1,186 @@
+/* Test program for dwarf_die_addr_die.
+   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/>.  */
+
+#include <config.h>
+#include ELFUTILS_HEADER(dw)
+#include <dwarf.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <inttypes.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+
+/* The main Dwarf file.  */
+static Dwarf *dwarf;
+
+int
+check_die (Dwarf_Die *die)
+{
+  if (dwarf_tag (die) == DW_TAG_invalid)
+    {
+      printf ("Invalid die\n");
+      return -1;
+    }
+
+  int res = 0;
+  void *addr = die->addr;
+  Dwarf_Die die2;
+  if (dwarf_die_addr_die (dwarf, addr, &die2) == NULL)
+    {
+      printf ("Bad die addr die at offset %" PRIx64 "\n",
+	      dwarf_dieoffset (die));
+      res = -1;
+    }
+
+  if (dwarf_tag (die) != dwarf_tag (&die2))
+    {
+      printf ("Tags differ for die at offset %" PRIx64 "\n",
+	      dwarf_dieoffset (die));
+      res = -1;
+    }
+
+  if (dwarf_cuoffset (die) != dwarf_cuoffset (&die2))
+    {
+      printf ("CU offsets differ for die at offset %" PRIx64 "\n",
+	      dwarf_dieoffset (die));
+      res = -1;
+    }
+
+  Dwarf_Die child;
+  if (dwarf_child (die, &child) == 0)
+    res |= check_die (&child);
+
+  Dwarf_Die sibling;
+  if (dwarf_siblingof (die, &sibling) == 0)
+    res |= check_die (&sibling);
+
+  return res;
+}
+
+int
+check_dbg (Dwarf *dbg)
+{
+  int res = 0;
+  Dwarf_Off off = 0;
+  Dwarf_Off old_off = 0;
+  size_t hsize;
+  Dwarf_Off abbrev;
+  uint8_t addresssize;
+  uint8_t offsetsize;
+  while (dwarf_nextcu (dbg, off, &off, &hsize, &abbrev, &addresssize,
+                       &offsetsize) == 0)
+    {
+      Dwarf_Die die;
+      if (dwarf_offdie (dbg, old_off + hsize, &die) != NULL)
+	{
+	  printf ("checking CU at %" PRIx64 "\n", old_off);
+	  res |= check_die (&die);
+	}
+
+      old_off = off;
+    }
+
+  // Same for type...
+  Dwarf_Half version;
+  uint64_t typesig;
+  Dwarf_Off typeoff;
+  off = 0;
+  old_off = 0;
+  while (dwarf_next_unit (dbg, off, &off, &hsize, &version, &abbrev,
+			  &addresssize, &offsetsize, &typesig, &typeoff) == 0)
+    {
+      Dwarf_Die die;
+      if (dwarf_offdie_types (dbg, old_off + hsize, &die) != NULL)
+	{
+	  printf ("checking TU at %" PRIx64 "\n", old_off);
+	  res |= check_die (&die);
+	}
+
+      // We should have seen this already, but double check...
+      if (dwarf_offdie_types (dbg, old_off + typeoff, &die) != NULL)
+	{
+	  printf ("checking Type DIE at %" PRIx64 "\n",
+		  old_off + hsize + typeoff);
+	  res |= check_die (&die);
+	}
+
+      old_off = off;
+    }
+
+  Dwarf *alt = dwarf_getalt (dbg);
+  if (alt != NULL)
+    {
+      printf ("checking alt debug\n");
+      res |= check_dbg (alt);
+    }
+
+  // Split or Type Dwarf_Dies gotten through dwarf_get_units.
+  Dwarf_CU *cu = NULL;
+  Dwarf_Die subdie;
+  uint8_t unit_type;
+  while (dwarf_get_units (dbg, cu, &cu, NULL,
+                          &unit_type, NULL, &subdie) == 0)
+    {
+      if (dwarf_tag (&subdie) != DW_TAG_invalid)
+        {
+	  printf ("checking %" PRIx8 " subdie\n", unit_type);
+	  res |= check_die (&subdie);
+	}
+    }
+
+  return res;
+}
+
+int
+main (int argc, char *argv[])
+{
+  if (argc < 2)
+    {
+      printf ("No file given.\n");
+      return -1;
+    }
+
+  const char *name = argv[1];
+  int fd = open (name, O_RDONLY);
+  if (fd < 0)
+    {
+      printf ("Cannnot open '%s': %s\n", name, strerror (errno));
+      return -1;
+    }
+
+  dwarf = dwarf_begin (fd, DWARF_C_READ);
+  if (dwarf == NULL)
+    {
+      printf ("Not a Dwarf file '%s': %s\n", name, dwarf_errmsg (-1));
+      close (fd);
+      return -1;
+    }
+
+  printf ("checking %s\n", name);
+  int res = check_dbg (dwarf);
+
+  dwarf_end (dwarf);
+  close (fd);
+
+  return res;
+}