Add support for 64-bit DWARF 2 formats to gas.

1 files changed, 13 insertions, 0 deletions

diff --git a/gas/dwarf2dbg.h b/gas/dwarf2dbg.h
index 62fc020d71..d60d0874bf 100644
--- a/gas/dwarf2dbg.h
+++ b/gas/dwarf2dbg.h
@@ -69,4 +69,17 @@ extern int dwarf2dbg_estimate_size_before_relax PARAMS ((fragS *));
 extern int dwarf2dbg_relax_frag PARAMS ((fragS *));
 extern void dwarf2dbg_convert_frag PARAMS ((fragS *));
 
+/* An enumeration which describes the sizes of offsets (to DWARF sections)
+   and the mechanism by which the size is indicated.  */
+enum dwarf2_format {
+  /* 32-bit format: the initial length field is 4 bytes long.  */
+  dwarf2_format_32bit,
+  /* DWARF3 64-bit format: the representation of the initial length
+     (of a DWARF section) is 0xffffffff (4 bytes) followed by eight
+     bytes indicating the actual length.  */
+  dwarf2_format_64bit,
+  /* SGI extension to DWARF2: The initial length is eight bytes.  */
+  dwarf2_format_64bit_irix
+};
+
 #endif /* AS_DWARF2DBG_H */