first step in factoring out code dealing with elf into a separate library....

src/trusted/service_runtime/elf_util.h

+/*
+ * Copyright 2009 The Native Client Authors.  All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can
+ * be found in the LICENSE file.
+ */
+
+#ifndef NATIVE_CLIENT_SRC_TRUSTED_SERVICE_RUNTIME_ELF_UTIL_H__
+#define NATIVE_CLIENT_SRC_TRUSTED_SERVICE_RUNTIME_ELF_UTIL_H__ 1
+
+#include "native_client/src/include/portability.h"
+#include "native_client/src/trusted/service_runtime/nacl_error_code.h"
+
+struct NaClElfImage;
+struct Gio;
+
+uint32_t NaClElfImageGetEntryPoint(struct NaClElfImage *image);
+
+int NaClElfImageGetAlignBoundary(struct NaClElfImage *image);
+
+struct NaClElfImage *NaClElfImageNew(struct Gio *gp);
+
+NaClErrorCode NaClElfImageValidateElfHeader(struct NaClElfImage *image);
+
+NaClErrorCode NaClElfImageValidateProgramHeaders(
+  struct NaClElfImage *image,
+  uint32_t            addr_bits,
+  uint32_t            *text_region_bytes,
+  uintptr_t           *max_vaddr);
+
+NaClErrorCode NaClElfImageLoad(struct NaClElfImage *image,
+                               struct Gio          *gp,
+                               uint32_t            addr_bits,
+                               uintptr_t           mem_start);
+
+
+NaClErrorCode NaClElfImageValidateAbi(struct NaClElfImage *image);
+
+void NaClElfImageDelete(struct NaClElfImage *image);
+
+
+#endif  /* NATIVE_CLIENT_SRC_TRUSTED_SERVICE_RUNTIME_ELF_UTIL_H__ */