Add PreResolved strings dex cache array
For app images, this dex cache may be prepopulated to speed up
application startup. This new dex cache array is created when
--resolve-startup-const-strings=true.
Test: test-art-host
Bug: 116059983
Bug: 118385560
Change-Id: I379dc15174281665d7f4ceb106f7fbf51f89b921
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index 864b215..df6e8a8 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -719,6 +719,10 @@
for (const DexFile* dex_file : dex_files) {
dex_cache.Assign(class_linker->FindDexCache(soa.Self(), *dex_file));
+ if (only_startup_strings) {
+ // When resolving startup strings, create the preresolved strings array.
+ dex_cache->AddPreResolvedStringsArray();
+ }
TimingLogger::ScopedTiming t("Resolve const-string Strings", timings);
for (ClassAccessor accessor : dex_file->GetClasses()) {
@@ -757,6 +761,10 @@
: inst->VRegB_31c());
ObjPtr<mirror::String> string = class_linker->ResolveString(string_index, dex_cache);
CHECK(string != nullptr) << "Could not allocate a string when forcing determinism";
+ if (only_startup_strings) {
+ dex_cache->GetPreResolvedStrings()[string_index.index_] =
+ GcRoot<mirror::String>(string);
+ }
++num_instructions;
break;
}