Generic JNI implementation for x86_64
Starting implementation for generic JNI on x86_64. Frames are of
large static size (>4K) right now, should be compacted later. Passes
the whole of jni_compiler_test.
Change-Id: I88ac3e13a534afe7568d62a1ef97cb766e8260e4
diff --git a/runtime/stack_indirect_reference_table.h b/runtime/stack_indirect_reference_table.h
index d22650b..c2d6a59 100644
--- a/runtime/stack_indirect_reference_table.h
+++ b/runtime/stack_indirect_reference_table.h
@@ -33,17 +33,24 @@
class StackIndirectReferenceTable {
public:
explicit StackIndirectReferenceTable(mirror::Object* object) :
- number_of_references_(1), link_(NULL) {
+ link_(NULL), number_of_references_(1) {
references_[0].Assign(object);
}
~StackIndirectReferenceTable() {}
// Number of references contained within this SIRT
- size_t NumberOfReferences() const {
+ uint32_t NumberOfReferences() const {
return number_of_references_;
}
+ // Returns the size of a StackIndirectReferenceTable containing num_references sirts.
+ static size_t SizeOf(uint32_t num_references) {
+ size_t header_size = OFFSETOF_MEMBER(StackIndirectReferenceTable, references_);
+ size_t data_size = sizeof(StackReference<mirror::Object>) * num_references;
+ return header_size + data_size;
+ }
+
// Link to previous SIRT or NULL
StackIndirectReferenceTable* GetLink() const {
return link_;
@@ -54,6 +61,12 @@
link_ = sirt;
}
+ // Sets the number_of_references_ field for constructing tables out of raw memory. Warning: will
+ // not resize anything.
+ void SetNumberOfReferences(uint32_t num_references) {
+ number_of_references_ = num_references;
+ }
+
mirror::Object* GetReference(size_t i) const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
DCHECK_LT(i, number_of_references_);
return references_[i].AsMirrorPtr();
@@ -74,7 +87,7 @@
}
// Offset of length within SIRT, used by generated code
- static size_t NumberOfReferencesOffset() {
+ static uint32_t NumberOfReferencesOffset() {
return OFFSETOF_MEMBER(StackIndirectReferenceTable, number_of_references_);
}
@@ -86,8 +99,8 @@
private:
StackIndirectReferenceTable() {}
- size_t number_of_references_;
StackIndirectReferenceTable* link_;
+ uint32_t number_of_references_;
// number_of_references_ are available if this is allocated and filled in by jni_compiler.
StackReference<mirror::Object> references_[1];