Add the index to the section.

The index is referenced in the symbol and relocation records of ELF files
therefore we need to search for them.

2 files changed, 23 insertions, 0 deletions

diff --git a/rld-files.cpp b/rld-files.cpp
index 05f54b3..94508a1 100644
--- a/rld-files.cpp
+++ b/rld-files.cpp
@@ -902,6 +902,7 @@ namespace rld
 
     section::section (const elf::section& es)
       : name (es.name ()),
+        index (es.index ()),
         type (es.type ()),
         size (es.size ()),
         alignment (es.alignment ()),
@@ -930,6 +931,22 @@ namespace rld
       return size;
     }
 
+    const section*
+    find (const sections& secs, const int index)
+    {
+      for (sections::const_iterator si = secs.begin ();
+           si != secs.end ();
+           ++si)
+      {
+        const section& sec = *si;
+
+        if (index == sec.index)
+          return &sec;
+      }
+
+      return 0;
+    }
+
     object::object (archive& archive_, file& name_)
       : image (name_),
         archive_ (&archive_),
diff --git a/rld-files.h b/rld-files.h
index fb8c644..de49b4c 100644
--- a/rld-files.h
+++ b/rld-files.h
@@ -518,6 +518,7 @@ namespace rld
     struct section
     {
       const std::string name;      //< The name of the section.
+      const int         index;     //< The section's index in the object file.
       const uint32_t    type;      //< The type of section.
       const size_t      size;      //< The size of the section.
       const uint32_t    alignment; //< The alignment of the section.
@@ -550,6 +551,11 @@ namespace rld
     size_t sum_sizes (const sections& secs);
 
     /**
+     * Find the section that matches the index in the sections provided.
+     */
+    const section* find (const sections& secs, const int index);
+
+    /**
      * The object file cab be in an archive or a file.
      */
     class object: