ART: Fix common_compiler_test assumptions

JNI-compiled methods now do not have mapping tables or GC maps,
not even zero-sized. Update the code in common_compiler_test.

Bug: 18596910
Change-Id: If22bf1b2e369273148f060b0b1ffc02b2b1ef608

1 files changed, 18 insertions, 10 deletions

diff --git a/compiler/common_compiler_test.cc b/compiler/common_compiler_test.cc
index d5c5e601e7..7df71f5b8a 100644
--- a/compiler/common_compiler_test.cc
+++ b/compiler/common_compiler_test.cc
@@ -54,12 +54,16 @@ void CommonCompilerTest::MakeExecutable(mirror::ArtMethod* method) {
     const SwapVector<uint8_t>& vmap_table = compiled_method->GetVmapTable();
     uint32_t vmap_table_offset = vmap_table.empty() ? 0u
         : sizeof(OatQuickMethodHeader) + vmap_table.size();
-    const SwapVector<uint8_t>& mapping_table = *compiled_method->GetMappingTable();
-    uint32_t mapping_table_offset = mapping_table.empty() ? 0u
-        : sizeof(OatQuickMethodHeader) + vmap_table.size() + mapping_table.size();
-    const SwapVector<uint8_t>& gc_map = *compiled_method->GetGcMap();
-    uint32_t gc_map_offset = gc_map.empty() ? 0u
-        : sizeof(OatQuickMethodHeader) + vmap_table.size() + mapping_table.size() + gc_map.size();
+    const SwapVector<uint8_t>* mapping_table = compiled_method->GetMappingTable();
+    bool mapping_table_used = mapping_table != nullptr && !mapping_table->empty();
+    size_t mapping_table_size = mapping_table_used ? mapping_table->size() : 0U;
+    uint32_t mapping_table_offset = !mapping_table_used ? 0u
+        : sizeof(OatQuickMethodHeader) + vmap_table.size() + mapping_table_size;
+    const SwapVector<uint8_t>* gc_map = compiled_method->GetGcMap();
+    bool gc_map_used = gc_map != nullptr && !gc_map->empty();
+    size_t gc_map_size = gc_map_used ? gc_map->size() : 0U;
+    uint32_t gc_map_offset = !gc_map_used ? 0u
+        : sizeof(OatQuickMethodHeader) + vmap_table.size() + mapping_table_size + gc_map_size;
     OatQuickMethodHeader method_header(mapping_table_offset, vmap_table_offset, gc_map_offset,
                                        compiled_method->GetFrameSizeInBytes(),
                                        compiled_method->GetCoreSpillMask(),
@@ -67,16 +71,20 @@ void CommonCompilerTest::MakeExecutable(mirror::ArtMethod* method) {
 
     header_code_and_maps_chunks_.push_back(std::vector<uint8_t>());
     std::vector<uint8_t>* chunk = &header_code_and_maps_chunks_.back();
-    size_t size = sizeof(method_header) + code_size + vmap_table.size() + mapping_table.size() +
-        gc_map.size();
+    size_t size = sizeof(method_header) + code_size + vmap_table.size() + mapping_table_size +
+        gc_map_size;
     size_t code_offset = compiled_method->AlignCode(size - code_size);
     size_t padding = code_offset - (size - code_size);
     chunk->reserve(padding + size);
     chunk->resize(sizeof(method_header));
     memcpy(&(*chunk)[0], &method_header, sizeof(method_header));
     chunk->insert(chunk->begin(), vmap_table.begin(), vmap_table.end());
-    chunk->insert(chunk->begin(), mapping_table.begin(), mapping_table.end());
-    chunk->insert(chunk->begin(), gc_map.begin(), gc_map.end());
+    if (mapping_table_used) {
+      chunk->insert(chunk->begin(), mapping_table->begin(), mapping_table->end());
+    }
+    if (gc_map_used) {
+      chunk->insert(chunk->begin(), gc_map->begin(), gc_map->end());
+    }
     chunk->insert(chunk->begin(), padding, 0);
     chunk->insert(chunk->end(), code->begin(), code->end());
     CHECK_EQ(padding + size, chunk->size());