Add Elf 32 Support to Courgette.

courgette/assembly_program.h

Index: courgette/assembly_program.h
diff --git a/courgette/assembly_program.h b/courgette/assembly_program.h
index 5c6b1b13b01e71cb624ae975b726cb6de10b5b0f..3d231c2b53b34fd8db513f82a380ff8d0d43cc98 100644
--- a/courgette/assembly_program.h
+++ b/courgette/assembly_program.h
@@ -69,7 +69,10 @@ class AssemblyProgram {
   // Instructions will be assembled in the order they are emitted.
 
   // Generates an entire base relocation table.
-  CheckBool EmitMakeRelocsInstruction() WARN_UNUSED_RESULT;
+  CheckBool EmitPeRelocsInstruction() WARN_UNUSED_RESULT;
+
+  // Generates an ELF style relocation table.
+  CheckBool EmitElfRelocationInstruction() WARN_UNUSED_RESULT;
 
   // Following instruction will be assembled at address 'rva'.
   CheckBool EmitOriginInstruction(RVA rva) WARN_UNUSED_RESULT;