From 99fd84517de583842bfcf63d2991e7e856a7e3c6 Mon Sep 17 00:00:00 2001
From: Chintalagiri Shashank <shashank@chintal.in>
Date: Wed, 27 Jul 2016 04:14:59 +0530
Subject: [PATCH] Added address describe.

---
 fpvgcc/fpv.py          | 6 ++++++
 fpvgcc/gccMemoryMap.py | 8 ++++++++
 setup.py               | 2 +-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/fpvgcc/fpv.py b/fpvgcc/fpv.py
index 87e5947..6a5dcd1 100644
--- a/fpvgcc/fpv.py
+++ b/fpvgcc/fpv.py
@@ -708,6 +708,8 @@ def main():
                         help='Print list of loaded files.')
     action.add_argument('--la', action='store_true',
                         help='Print list of detected aliases.')
+    action.add_argument('--addr', metavar='ADDRESS',
+                        help='Describe contents at address.')
     args = parser.parse_args()
     if args.verbose == 0:
         logging.basicConfig(level=logging.ERROR)
@@ -758,6 +760,10 @@ def main():
         for node in state_machine.memory_map.root.all_nodes():
             if node.objfile == args.lobj:
                 print(node)
+    elif args.addr:
+        for node in state_machine.memory_map.root.all_nodes():
+            if node.contains_address(args.addr):
+                print(node)
 
 
 if __name__ == '__main__':
diff --git a/fpvgcc/gccMemoryMap.py b/fpvgcc/gccMemoryMap.py
index f2b73ec..625f1fc 100644
--- a/fpvgcc/gccMemoryMap.py
+++ b/fpvgcc/gccMemoryMap.py
@@ -87,6 +87,14 @@ def address(self):
     def address(self, value):
         self._address = int(value, 16)
 
+    def contains_address(self, addr):
+        if not self.address or self.region in ['DISCARDED', 'UNDEF']:
+            return False
+        if int(self.address, 0) <= int(addr, 0) < \
+                (int(self.address, 0) + self.size):
+            return True
+        return False
+
     @property
     def defsize(self):
         return self._defsize
diff --git a/setup.py b/setup.py
index 8e45576..58b0e06 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ def read(fname):
 
 setup(
     name="fpv-gcc",
-    version="0.4",
+    version="0.5",
     author="Chintalagiri Shashank",
     author_email="shashank@chintal.in",
     description="Analysing code footprint on embedded microcontrollers "