Implement HLoadClass/kBssEntry for boot image.
Test: m test-art-host
Test: m test-art-host with CC
Test: m test-art-target on Nexus 9
Test: Nexus 9 boots.
Test: Build aosp_mips64-eng
Bug: 30627598
Change-Id: I168f24dedd5fb54a1e4215ecafb947ffb0dc3280
diff --git a/compiler/optimizing/code_generator_arm.cc b/compiler/optimizing/code_generator_arm.cc
index 80ebaa4..ef4bd1e 100644
--- a/compiler/optimizing/code_generator_arm.cc
+++ b/compiler/optimizing/code_generator_arm.cc
@@ -409,7 +409,7 @@
// kSaveEverything and use a temporary for the .bss entry address in the fast path,
// so that we can avoid another calculation here.
CodeGeneratorARM::PcRelativePatchInfo* labels =
- arm_codegen->NewPcRelativeTypePatch(cls_->GetDexFile(), type_index);
+ arm_codegen->NewTypeBssEntryPatch(cls_->GetDexFile(), type_index);
__ BindTrackedLabel(&labels->movw_label);
__ movw(IP, /* placeholder */ 0u);
__ BindTrackedLabel(&labels->movt_label);
@@ -1222,6 +1222,7 @@
boot_image_type_patches_(TypeReferenceValueComparator(),
graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
pc_relative_type_patches_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
+ type_bss_entry_patches_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
boot_image_address_patches_(std::less<uint32_t>(),
graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
jit_string_patches_(StringReferenceValueComparator(),
@@ -5826,9 +5827,8 @@
break;
}
case HLoadClass::LoadKind::kBssEntry: {
- DCHECK(!codegen_->GetCompilerOptions().IsBootImage());
CodeGeneratorARM::PcRelativePatchInfo* labels =
- codegen_->NewPcRelativeTypePatch(cls->GetDexFile(), cls->GetTypeIndex());
+ codegen_->NewTypeBssEntryPatch(cls->GetDexFile(), cls->GetTypeIndex());
__ BindTrackedLabel(&labels->movw_label);
__ movw(out, /* placeholder */ 0u);
__ BindTrackedLabel(&labels->movt_label);
@@ -7300,6 +7300,11 @@
return NewPcRelativePatch(dex_file, type_index.index_, &pc_relative_type_patches_);
}
+CodeGeneratorARM::PcRelativePatchInfo* CodeGeneratorARM::NewTypeBssEntryPatch(
+ const DexFile& dex_file, dex::TypeIndex type_index) {
+ return NewPcRelativePatch(dex_file, type_index.index_, &type_bss_entry_patches_);
+}
+
CodeGeneratorARM::PcRelativePatchInfo* CodeGeneratorARM::NewPcRelativeDexCacheArrayPatch(
const DexFile& dex_file, uint32_t element_offset) {
return NewPcRelativePatch(dex_file, element_offset, &pc_relative_dex_cache_patches_);
@@ -7378,6 +7383,7 @@
/* MOVW+MOVT for each entry */ 2u * pc_relative_string_patches_.size() +
boot_image_type_patches_.size() +
/* MOVW+MOVT for each entry */ 2u * pc_relative_type_patches_.size() +
+ /* MOVW+MOVT for each entry */ 2u * type_bss_entry_patches_.size() +
boot_image_address_patches_.size();
linker_patches->reserve(size);
EmitPcRelativeLinkerPatches<LinkerPatch::DexCacheArrayPatch>(pc_relative_dex_cache_patches_,
@@ -7392,8 +7398,7 @@
target_string.string_index.index_));
}
if (!GetCompilerOptions().IsBootImage()) {
- EmitPcRelativeLinkerPatches<LinkerPatch::TypeBssEntryPatch>(pc_relative_type_patches_,
- linker_patches);
+ DCHECK(pc_relative_type_patches_.empty());
EmitPcRelativeLinkerPatches<LinkerPatch::StringBssEntryPatch>(pc_relative_string_patches_,
linker_patches);
} else {
@@ -7402,6 +7407,8 @@
EmitPcRelativeLinkerPatches<LinkerPatch::RelativeStringPatch>(pc_relative_string_patches_,
linker_patches);
}
+ EmitPcRelativeLinkerPatches<LinkerPatch::TypeBssEntryPatch>(type_bss_entry_patches_,
+ linker_patches);
for (const auto& entry : boot_image_type_patches_) {
const TypeReference& target_type = entry.first;
Literal* literal = entry.second;
@@ -7418,6 +7425,7 @@
uint32_t literal_offset = literal->GetLabel()->Position();
linker_patches->push_back(LinkerPatch::RecordPosition(literal_offset));
}
+ DCHECK_EQ(size, linker_patches->size());
}
Literal* CodeGeneratorARM::DeduplicateUint32Literal(uint32_t value, Uint32ToLiteralMap* map) {