[loong64][mips64][safepoints] Various refactors

Port commit c7e47c30

Bug: v8:7700
Change-Id: I59d5e483867118fa8efc50cc52e00bd3321fa01a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3487428
Auto-Submit: Yu Liu <liuyu@loongson.cn>
Reviewed-by: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/main@{#79245}

src/wasm/baseline/loong64/liftoff-assembler-loong64.h

@@ -2635,15 +2635,14 @@ void LiftoffAssembler::PopRegisters(LiftoffRegList regs) {
   addi_d(sp, sp, gp_offset);
 }
 
-void LiftoffAssembler::RecordSpillsInSafepoint(Safepoint& safepoint,
-                                               LiftoffRegList all_spills,
-                                               LiftoffRegList ref_spills,
-                                               int spill_offset) {
+void LiftoffAssembler::RecordSpillsInSafepoint(
+    SafepointTableBuilder::Safepoint& safepoint, LiftoffRegList all_spills,
+    LiftoffRegList ref_spills, int spill_offset) {
   int spill_space_size = 0;
   while (!all_spills.is_empty()) {
     LiftoffRegister reg = all_spills.GetFirstRegSet();
     if (ref_spills.has(reg)) {
-      safepoint.DefinePointerSlot(spill_offset);
+      safepoint.DefineTaggedStackSlot(spill_offset);
     }
     all_spills.clear(reg);
     ++spill_offset;

src/wasm/baseline/mips/liftoff-assembler-mips.h

@@ -2956,15 +2956,14 @@ void LiftoffAssembler::PopRegisters(LiftoffRegList regs) {
   addiu(sp, sp, gp_offset);
 }
 
-void LiftoffAssembler::RecordSpillsInSafepoint(Safepoint& safepoint,
-                                               LiftoffRegList all_spills,
-                                               LiftoffRegList ref_spills,
-                                               int spill_offset) {
+void LiftoffAssembler::RecordSpillsInSafepoint(
+    SafepointTableBuilder::Safepoint& safepoint, LiftoffRegList all_spills,
+    LiftoffRegList ref_spills, int spill_offset) {
   int spill_space_size = 0;
   while (!all_spills.is_empty()) {
     LiftoffRegister reg = all_spills.GetFirstRegSet();
     if (ref_spills.has(reg)) {
-      safepoint.DefinePointerSlot(spill_offset);
+      safepoint.DefineTaggedStackSlot(spill_offset);
     }
     all_spills.clear(reg);
     ++spill_offset;

src/wasm/baseline/mips64/liftoff-assembler-mips64.h

@@ -3122,15 +3122,14 @@ void LiftoffAssembler::PopRegisters(LiftoffRegList regs) {
   daddiu(sp, sp, gp_offset);
 }
 
-void LiftoffAssembler::RecordSpillsInSafepoint(Safepoint& safepoint,
-                                               LiftoffRegList all_spills,
-                                               LiftoffRegList ref_spills,
-                                               int spill_offset) {
+void LiftoffAssembler::RecordSpillsInSafepoint(
+    SafepointTableBuilder::Safepoint& safepoint, LiftoffRegList all_spills,
+    LiftoffRegList ref_spills, int spill_offset) {
   int spill_space_size = 0;
   while (!all_spills.is_empty()) {
     LiftoffRegister reg = all_spills.GetFirstRegSet();
     if (ref_spills.has(reg)) {
-      safepoint.DefinePointerSlot(spill_offset);
+      safepoint.DefineTaggedStackSlot(spill_offset);
     }
     all_spills.clear(reg);
     ++spill_offset;