Set header length. Make sections public.

Set the compressed file length in the RAP header. Move
the string from the outputter to the RAP file.

Make the sections public by moving to the RAP header.

1 files changed, 27 insertions, 17 deletions

diff --git a/rld-rap.cpp b/rld-rap.cpp
index 0fde70c..1eecb5d 100644
--- a/rld-rap.cpp
+++ b/rld-rap.cpp
@@ -39,20 +39,6 @@ namespace rld
   namespace rap
   {
     /**
-     * The sections of interest in a RAP file.
-     */
-    enum sections
-    {
-      rap_text = 0,
-      rap_const = 1,
-      rap_ctor = 2,
-      rap_dtor = 3,
-      rap_data = 4,
-      rap_bss = 5,
-      rap_secs = 6
-    };
-
-    /**
      * The names of the RAP sections.
      */
     static const char* section_names[rap_secs] =
@@ -327,6 +313,15 @@ namespace rld
       uint32_t    fini_off;            //< The strtab offset to the fini label.
     };
 
+    const char*
+    section_name (int sec)
+    {
+      if (sec < rap_secs)
+        return section_names[sec];
+      throw rld::error ("Invalid section '" + rld::to_string (sec) + "'",
+                        "rap::section-name");
+    }
+
     /**
      * Update the offset taking into account the alignment.
      *
@@ -1082,7 +1077,7 @@ namespace rld
                     << std::endl;
 
         header = count;
-        header |= sec_rela[s] ? (1UL << 31) : 0;
+        header |= sec_rela[s] ? RAP_RELOC_RELA : 0;
 
         comp << header;
 
@@ -1149,7 +1144,7 @@ namespace rld
                * string.
                */
 
-              info |= 1 << 31;
+              info |= RAP_RELOC_STRING;
 
               std::size_t size = strtab.find (reloc.symname);
 
@@ -1166,7 +1161,7 @@ namespace rld
                 /*
                  * Bit 30 set, the offset in the strtab.
                  */
-                info |= (1 << 30) | (size << 8);
+                info |= RAP_RELOC_STRING_EMBED | (size << 8);
               }
             }
 
@@ -1252,6 +1247,11 @@ namespace rld
            const symbols::table&     /* symbols */) /* Add back for incremental
                                                      * linking */
     {
+      std::string header;
+
+      header = "RAP,00000000,0001,LZ77,00000000\n";
+      app.write (header.c_str (), header.size ());
+
       compress::compressor compressor (app, 2 * 1024);
       image                rap;
 
@@ -1260,6 +1260,16 @@ namespace rld
 
       compressor.flush ();
 
+      std::ostringstream length;
+
+      length << std::setfill ('0') << std::setw (8)
+             << header.size () + compressor.compressed ();
+
+      header.replace (4, 8, length.str ());
+
+      app.seek (0);
+      app.write (header.c_str (), header.size ());
+
       if (rld::verbose () >= RLD_VERBOSE_INFO)
       {
         int pcent = (compressor.compressed () * 100) / compressor.transferred ();