ART: Swap-space in the compiler

Introduce a swap-space and corresponding allocator to transparently
switch native allocations to memory backed by a file.

Bug: 18596910

(cherry picked from commit 62746d8d9c4400e4764f162b22bfb1a32be287a9)

Change-Id: I131448f3907115054a592af73db86d2b9257ea33

1 files changed, 14 insertions, 6 deletions

diff --git a/compiler/dex/quick/codegen_util.cc b/compiler/dex/quick/codegen_util.cc
index cc61e93d82..67ea8972b7 100644
--- a/compiler/dex/quick/codegen_util.cc
+++ b/compiler/dex/quick/codegen_util.cc
@@ -1086,12 +1086,20 @@ CompiledMethod* Mir2Lir::GetCompiledMethod() {
   });
 
   std::unique_ptr<std::vector<uint8_t>> cfi_info(ReturnFrameDescriptionEntry());
-  CompiledMethod* result =
-      new CompiledMethod(cu_->compiler_driver, cu_->instruction_set, code_buffer_, frame_size_,
-                         core_spill_mask_, fp_spill_mask_, &src_mapping_table_, encoded_mapping_table_,
-                         vmap_encoder.GetData(), native_gc_map_, cfi_info.get(),
-                         ArrayRef<LinkerPatch>(patches_));
-  return result;
+  ArrayRef<const uint8_t> cfi_ref;
+  if (cfi_info.get() != nullptr) {
+    cfi_ref = ArrayRef<const uint8_t>(*cfi_info);
+  }
+  return CompiledMethod::SwapAllocCompiledMethod(
+      cu_->compiler_driver, cu_->instruction_set,
+      ArrayRef<const uint8_t>(code_buffer_),
+      frame_size_, core_spill_mask_, fp_spill_mask_,
+      &src_mapping_table_,
+      ArrayRef<const uint8_t>(encoded_mapping_table_),
+      ArrayRef<const uint8_t>(vmap_encoder.GetData()),
+      ArrayRef<const uint8_t>(native_gc_map_),
+      cfi_ref,
+      ArrayRef<LinkerPatch>(patches_));
 }
 
 size_t Mir2Lir::GetMaxPossibleCompilerTemps() const {