commit 7c767adb003ad18b096ad61e323cfeeb88b85db2
author Simon Glass <sjg@chromium.org> Fri Sep 14 04:57:33 2018 -0600
committer Simon Glass <sjg@chromium.org> Sat Sep 29 11:49:35 2018 -0600
tree 92d53765f4f7704cae0e030122deee1f2cf92ea0
parent 3fb4f424d6bb6466f13a7b2a185bcf0fa5a40e6c

binman: Record the parent section of each section

At present sections have no record of their parent so it is not possible
to traverse up the tree to the root and figure out the position of a
section within the image.

Change the constructor to record this information.

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/binman/bsection.py

diff --git a/tools/binman/bsection.py b/tools/binman/bsection.py
index 650e9ba..e4c1900 100644
--- a/tools/binman/bsection.py
+++ b/tools/binman/bsection.py
@@ -24,6 +24,7 @@
 
     Attributes:
         _node: Node object that contains the section definition in device tree
+        _parent_section: Parent Section object which created this Section
         _size: Section size in bytes, or None if not known yet
         _align_size: Section size alignment, or None
         _pad_before: Number of bytes before the first entry starts. This
@@ -46,14 +47,16 @@
             section
         _entries: OrderedDict() of entries
     """
-    def __init__(self, name, node, test=False):
+    def __init__(self, name, parent_section, node, image, test=False):
         global entry
         global Entry
         import entry
         from entry import Entry
 
+        self._parent_section = parent_section
         self._name = name
         self._node = node
+        self._image = image
         self._offset = 0
         self._size = None
         self._align_size = None

tools/binman/etype/section.py

diff --git a/tools/binman/etype/section.py b/tools/binman/etype/section.py
index 005a9f9..7f1b413 100644
--- a/tools/binman/etype/section.py
+++ b/tools/binman/etype/section.py
@@ -32,7 +32,8 @@
     """
     def __init__(self, section, etype, node):
         Entry.__init__(self, section, etype, node)
-        self._section = bsection.Section(node.name, node)
+        self._section = bsection.Section(node.name, section, node,
+                                         section._image)
 
     def GetFdtSet(self):
         return self._section.GetFdtSet()

tools/binman/image.py

diff --git a/tools/binman/image.py b/tools/binman/image.py
index 4b922b5..e113a60 100644
--- a/tools/binman/image.py
+++ b/tools/binman/image.py
@@ -42,7 +42,8 @@
         self._size = None
         self._filename = '%s.bin' % self._name
         if test:
-            self._section = bsection.Section('main-section', self._node, True)
+            self._section = bsection.Section('main-section', None, self._node,
+                                             self, True)
         else:
             self._ReadNode()
 
@@ -52,7 +53,7 @@
         filename = fdt_util.GetString(self._node, 'filename')
         if filename:
             self._filename = filename
-        self._section = bsection.Section('main-section', self._node)
+        self._section = bsection.Section('main-section', None, self._node, self)
 
     def GetFdtSet(self):
         """Get the set of device tree files used by this image"""