| // Copyright 2020 The Fuchsia 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 <lib/static-pie/static-pie.h> |
| |
| #include "relocation.h" |
| |
| namespace static_pie { |
| |
| // Beginning of the ELF ".dynamic" section. |
| extern "C" __LOCAL const Elf64DynamicEntry _DYNAMIC[]; |
| |
| void ApplyDynamicRelocationsToSelf(uintptr_t load_address) { |
| Program program{fbl::Span(reinterpret_cast<std::byte*>(load_address), SIZE_MAX)}; |
| |
| // Apply relocations. |
| ApplyDynamicRelocs(program, fbl::Span<const Elf64DynamicEntry>(_DYNAMIC, SIZE_MAX), load_address); |
| |
| // Compiler barrier. Ensure stores are committed prior to return. |
| std::atomic_signal_fence(std::memory_order_seq_cst); |
| } |
| |
| } // namespace static_pie |
