art: Use SIRT::GetAlignedSirtSizeTarget in calling convention
Calculate frame size based on SIRT::GetAlignedSirtSizeTarget existing method.
Make offset functions pointer-size-dependent for cross-compiling. Add
a test to check whether our computations are correct.
Change-Id: Ic66daf6f9908890eda906bdcbbc4444c4fef614f
Signed-off-by: Dmitry Petrochenko <dmitry.petrochenko@intel.com>
diff --git a/runtime/stack_indirect_reference_table.h b/runtime/stack_indirect_reference_table.h
index 6049e06..b113129 100644
--- a/runtime/stack_indirect_reference_table.h
+++ b/runtime/stack_indirect_reference_table.h
@@ -44,6 +44,10 @@
return number_of_references_;
}
+ // We have versions with and without explicit pointer size of the following. The first two are
+ // used at runtime, so OFFSETOF_MEMBER computes the right offsets automatically. The last one
+ // takes the pointer size explicitly so that at compile time we can cross-compile correctly.
+
// 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_);
@@ -60,7 +64,7 @@
// Get the size of the SIRT for the number of entries, with padding added for potential alignment.
static size_t GetAlignedSirtSizeTarget(size_t pointer_size, uint32_t num_references) {
// Assume that the layout is packed.
- size_t header_size = pointer_size + sizeof(uint32_t);
+ size_t header_size = pointer_size + sizeof(number_of_references_);
// This assumes there is no layout change between 32 and 64b.
size_t data_size = sizeof(StackReference<mirror::Object>) * num_references;
size_t sirt_size = header_size + data_size;
@@ -109,18 +113,18 @@
}
// Offset of link within SIRT, used by generated code
- static size_t LinkOffset() {
- return OFFSETOF_MEMBER(StackIndirectReferenceTable, link_);
+ static size_t LinkOffset(size_t pointer_size) {
+ return 0;
}
// Offset of length within SIRT, used by generated code
- static uint32_t NumberOfReferencesOffset() {
- return OFFSETOF_MEMBER(StackIndirectReferenceTable, number_of_references_);
+ static size_t NumberOfReferencesOffset(size_t pointer_size) {
+ return pointer_size;
}
// Offset of link within SIRT, used by generated code
- static size_t ReferencesOffset() {
- return OFFSETOF_MEMBER(StackIndirectReferenceTable, references_);
+ static size_t ReferencesOffset(size_t pointer_size) {
+ return pointer_size + sizeof(number_of_references_);
}
private: