1 files changed, 11 insertions, 0 deletions
diff --git a/gdb/arm-tdep.h b/gdb/arm-tdep.h
index de3f6cc..362be2e 100644
--- a/gdb/arm-tdep.h
+++ b/gdb/arm-tdep.h
@@ -262,6 +262,17 @@ struct displaced_step_closure
 			  struct displaced_step_closure *dsc);
     } svc;
   } u;
+
+  /* The size of original instruction, 2 or 4.  */
+  unsigned int insn_size;
+  /* True if the original insn (and thus all replacement insns) are Thumb
+     instead of ARM.   */
+  unsigned int is_thumb;
+
+  /* The slots in the array is used in this way below,
+     - ARM instruction occupies one slot,
+     - Thumb 16 bit instruction occupies one slot,
+     - Thumb 32-bit instruction occupies *two* slots, one part for each.  */
   unsigned long modinsn[DISPLACED_MODIFIED_INSNS];
   int numinsns;
   CORE_ADDR insn_addr;