Changeset 78bbe4c in rtems-tools for rtemstoolkit/rld-buffer.h

Timestamp:

Aug 16, 2017, 8:09:59 AM (2 years ago)

Author:

Chris Johns <chrisj@…>

Branches:

master

Children:

f2bb439

Parents:

0ea1c27

git-author:

Chris Johns <chrisj@…> (08/16/17 08:09:59)

git-committer:

Chris Johns <chrisj@…> (08/16/17 08:18:35)

Message:

linkers/exe-info Support ARM static constructors.

Note, ARM destructors are registered at runtime and currently not
easly found.

Update libiberty to get a newer demangler.

Closes #3102.

File:

• rtemstoolkit/rld-buffer.h (modified) (3 diffs)

rtemstoolkit/rld-buffer.h

@@ -60 +60 @@
       ~buffer ();
 
+      /*
+       * Return true if the byte order is little-endian.
+       */
+      bool little_endian () const {
+        return le;
+      }
+
       /**
        * Clear the buffer reseting the level to zero.
@@ -149 +156 @@
       uint8_t bytes[sizeof (T)];
       T       v = value;
-      int     b = sizeof (T) - 1;
-      while (b >= 0)
-      {
-        bytes[b--] = (uint8_t) v;
-        v >>= 8;
+      if (buf.little_endian ())
+      {
+        size_t b = sizeof (T);
+        while (b != 0)
+        {
+          bytes[--b] = (uint8_t) v;
+          v >>= 8;
+        }
+      }
+      else
+      {
+        size_t b = 0;
+        while (b < sizeof (T))
+        {
+          bytes[b++] = (uint8_t) v;
+          v >>= 8;
+        }
       }
       buf.write (bytes, sizeof (T));
@@ -165 +184 @@
     {
       uint8_t bytes[sizeof (T)];
-      int     b = sizeof (T) - 1;
-      buf.read (bytes, sizeof(T));
+      buf.read (bytes, sizeof (T));
       value = 0;
-      while (b >= 0)
-      {
-        value <<= 8;
-        value |= (T) bytes[b--];
+      if (buf.little_endian ())
+      {
+        size_t b = sizeof (T);
+        while (b != 0)
+        {
+          value <<= 8;
+          value |= (T) bytes[--b];
+        }
+      }
+      else
+      {
+        size_t b = 0;
+        while (b < sizeof (T))
+        {
+          value <<= 8;
+          value |= (T) bytes[b++];
+        }
       }
     }