Add image compressed blocks

Add support for splitting the image into a set of solid blocks.

Added dex2oat option --max-image-block-size and correspodning image
unit test.

Motivation: Enable parallel image decompression in the future.

Bug: 116052292
Test: test-art-host

Change-Id: I37c6c6a43ef94c4a62bf38a0cf51f26ce06347ac

1 files changed, 11 insertions, 0 deletions

diff --git a/compiler/driver/compiler_options.h b/compiler/driver/compiler_options.h
index f0970a9e0d..17a779c965 100644
--- a/compiler/driver/compiler_options.h
+++ b/compiler/driver/compiler_options.h
@@ -335,6 +335,14 @@ class CompilerOptions final {
     return check_profiled_methods_;
   }
 
+  uint32_t MaxImageBlockSize() const {
+    return max_image_block_size_;
+  }
+
+  void SetMaxImageBlockSize(uint32_t size) {
+    max_image_block_size_ = size;
+  }
+
  private:
   bool ParseDumpInitFailures(const std::string& option, std::string* error_msg);
   void ParseDumpCfgPasses(const StringPiece& option, UsageFn Usage);
@@ -424,6 +432,9 @@ class CompilerOptions final {
   // up compiled and are not punted.
   ProfileMethodsCheck check_profiled_methods_;
 
+  // Maximum solid block size in the generated image.
+  uint32_t max_image_block_size_;
+
   RegisterAllocator::Strategy register_allocation_strategy_;
 
   // If not null, specifies optimization passes which will be run instead of defaults.