Changeset b2de426 in rtems for cpukit/include/rtems/score/address.h

Timestamp:

Aug 6, 2018, 9:53:42 AM (3 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

5, master

Children:

0fc87d47

Parents:

66cb142

git-author:

Sebastian Huber <sebastian.huber@…> (08/06/18 09:53:42)

git-committer:

Sebastian Huber <sebastian.huber@…> (08/10/18 05:14:43)

Message:

score: Fix _Addresses_Subtract()

Use architecture-specific integer type for an address difference.

Update #3486.

File:

• cpukit/include/rtems/score/address.h (modified) (2 diffs)

cpukit/include/rtems/score/address.h

@@ -78 +78 @@
 
 /**
- * @brief Subtract two offsets.
+ * @brief Subtract two addresses.
  *
  * This function is used to subtract two addresses.  It returns the
@@ -87 +87 @@
  *
  * @return This method returns the resulting address.
- *
- * @note  The cast of an address to an uint32_t makes this code
- *        dependent on an addresses being thirty two bits.
  */
-RTEMS_INLINE_ROUTINE int32_t _Addresses_Subtract (
+RTEMS_INLINE_ROUTINE intptr_t _Addresses_Subtract(
   const void *left,
   const void *right
 )
 {
-  return (int32_t) ((const char *) left - (const char *) right);
+  return (intptr_t) ( (const char *) left - (const char *) right );
 }