PNaCl Dynamic Linking: Added portable dependencies to shared objects.

src/untrusted/pll_loader/pll_root.h

 // Copyright 2016 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_UNTRUSTED_PLL_LOADER_PLL_ROOT_H_
 #define NATIVE_CLIENT_SRC_UNTRUSTED_PLL_LOADER_PLL_ROOT_H_ 1
 
 #include <stddef.h>
 
 struct PLLTLSBlockGetter {
@@ skipping 23 matching lines @@
   size_t bucket_count;
   const int32_t *hash_buckets;
   const uint32_t *hash_chains;
 
   // Bloom Filter, for quick exported symbol lookup rejection.
   size_t bloom_filter_maskwords_bitmask;
   // The number of right shifts to generate the second hash from the first.
   size_t bloom_filter_shift2;
   const uint32_t *bloom_filter_data;
 
+  // Dependencies list (akin to DT_NEEDED in ELF).
+  size_t dependencies_count;
+  const char *dependencies_list;
+
   // Thread-local variables (TLS).
   void *tls_template;
   size_t tls_template_data_size;  // Size of initialized data.
   size_t tls_template_total_size;  // Size of initialized data + BSS.
   size_t tls_template_alignment;
   PLLTLSBlockGetter *tls_block_getter;
 };
 
 #endif