Courgette: Add static method QuickDetect() to optimize program detection.

courgette/disassembler_elf_32_arm.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "courgette/disassembler_elf_32_arm.h"
 
 #include <memory>
 #include <utility>
 #include <vector>
 
@@ skipping 286 matching lines @@
      return false;
   }
 }
 
 CheckBool DisassemblerElf32ARM::TypedRVAARM::EmitInstruction(
     AssemblyProgram* program,
     Label* label) {
   return program->EmitRel32ARM(c_op(), label, arm_op_, op_size());
 }
 
-DisassemblerElf32ARM::DisassemblerElf32ARM(const void* start, size_t length)
-    : DisassemblerElf32(start, length) {
-}
+DisassemblerElf32ARM::DisassemblerElf32ARM(const uint8_t* start, size_t length)
+    : DisassemblerElf32(start, length) {}
 
 // Convert an ELF relocation struction into an RVA.
 CheckBool DisassemblerElf32ARM::RelToRVA(Elf32_Rel rel, RVA* result) const {
   // The rightmost byte of r_info is the type.
   elf32_rel_arm_type_values type =
       static_cast<elf32_rel_arm_type_values>(rel.r_info & 0xFF);
 
   // The other 3 bytes of r_info are the symbol.
   uint32_t symbol = rel.r_info >> 8;
 
@@ skipping 201 matching lines @@
       // Move 2 bytes at a time, but track 32-bit boundaries
       p += 2;
       on_32bit = ((on_32bit + 1) % 2) != 0;
     }
   }
 
   return true;
 }
 
 }  // namespace courgette