1 files changed, 58 insertions, 0 deletions
diff --git a/bfd/libbfd.c b/bfd/libbfd.c
index 2791ca32a7..b2f83c4503 100644
--- a/bfd/libbfd.c
+++ b/bfd/libbfd.c
@@ -860,3 +860,61 @@ warn_deprecated (const char *what,
       mask |= ~(size_t) func;
     }
 }
+
+/* Helper function for reading uleb128 encoded data.  */
+
+bfd_vma
+read_unsigned_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
+		      char *buf,
+		      unsigned int *bytes_read_ptr)
+{
+  bfd_vma result;
+  unsigned int num_read;
+  int shift;
+  unsigned char byte;
+
+  result = 0;
+  shift = 0;
+  num_read = 0;
+  do
+    {
+      byte = bfd_get_8 (abfd, (bfd_byte *) buf);
+      buf++;
+      num_read++;
+      result |= (((bfd_vma) byte & 0x7f) << shift);
+      shift += 7;
+    }
+  while (byte & 0x80);
+  *bytes_read_ptr = num_read;
+  return result;
+}
+
+/* Helper function for reading sleb128 encoded data.  */
+
+bfd_signed_vma
+read_signed_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
+		    char *buf,
+		    unsigned int * bytes_read_ptr)
+{
+  bfd_vma result;
+  int shift;
+  int num_read;
+  unsigned char byte;
+
+  result = 0;
+  shift = 0;
+  num_read = 0;
+  do
+    {
+      byte = bfd_get_8 (abfd, (bfd_byte *) buf);
+      buf ++;
+      num_read ++;
+      result |= (((bfd_vma) byte & 0x7f) << shift);
+      shift += 7;
+    }
+  while (byte & 0x80);
+  if ((shift < 8 * sizeof (result)) && (byte & 0x40))
+    result |= (((bfd_vma) -1) << shift);
+  *bytes_read_ptr = num_read;
+  return result;
+}