summaryrefslogtreecommitdiff
path: root/compiler/optimizing/code_generator_x86_64.cc
diff options
context:
space:
mode:
Diffstat (limited to 'compiler/optimizing/code_generator_x86_64.cc')
-rw-r--r--compiler/optimizing/code_generator_x86_64.cc15
1 files changed, 15 insertions, 0 deletions
diff --git a/compiler/optimizing/code_generator_x86_64.cc b/compiler/optimizing/code_generator_x86_64.cc
index 05194b15d5f..9631c15668b 100644
--- a/compiler/optimizing/code_generator_x86_64.cc
+++ b/compiler/optimizing/code_generator_x86_64.cc
@@ -22,6 +22,7 @@
#include "compiled_method.h"
#include "entrypoints/quick/quick_entrypoints.h"
#include "gc/accounting/card_table.h"
+#include "gc/space/image_space.h"
#include "heap_poisoning.h"
#include "intrinsics.h"
#include "intrinsics_x86_64.h"
@@ -1107,6 +1108,20 @@ Label* CodeGeneratorX86_64::NewStringBssEntryPatch(HLoadString* load_string) {
return &string_bss_entry_patches_.back().label;
}
+void CodeGeneratorX86_64::LoadBootImageAddress(CpuRegister reg, uint32_t boot_image_offset) {
+ DCHECK(!GetCompilerOptions().IsBootImage());
+ if (GetCompilerOptions().GetCompilePic()) {
+ DCHECK(Runtime::Current()->IsAotCompiler());
+ __ movl(reg, Address::Absolute(CodeGeneratorX86_64::kDummy32BitOffset, /* no_rip */ false));
+ RecordBootImageRelRoPatch(boot_image_offset);
+ } else {
+ gc::Heap* heap = Runtime::Current()->GetHeap();
+ DCHECK(!heap->GetBootImageSpaces().empty());
+ const uint8_t* address = heap->GetBootImageSpaces()[0]->Begin() + boot_image_offset;
+ __ movl(reg, Immediate(dchecked_integral_cast<uint32_t>(reinterpret_cast<uintptr_t>(address))));
+ }
+}
+
// The label points to the end of the "movl" or another instruction but the literal offset
// for method patch needs to point to the embedded constant which occupies the last 4 bytes.
constexpr uint32_t kLabelPositionToLiteralOffsetAdjustment = 4u;