1 files changed, 13 insertions, 14 deletions

diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index 92266aa9e..1a4d37cbc 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -56,7 +56,7 @@ public:
         if (!memory.IsValidVirtualAddressRange(vaddr, sizeof(u32))) {
             return std::nullopt;
         }
-        return MemoryRead32(vaddr);
+        return memory.Read32(vaddr);
     }
 
     void MemoryWrite8(u64 vaddr, u8 value) override {
@@ -111,7 +111,7 @@ public:
         parent.LogBacktrace();
         LOG_ERROR(Core_ARM,
                   "Unimplemented instruction @ 0x{:X} for {} instructions (instr = {:08X})", pc,
-                  num_instructions, MemoryRead32(pc));
+                  num_instructions, memory.Read32(pc));
     }
 
     void InstructionCacheOperationRaised(Dynarmic::A64::InstructionCacheOperation op,
@@ -156,7 +156,7 @@ public:
 
             parent.LogBacktrace();
             LOG_CRITICAL(Core_ARM, "ExceptionRaised(exception = {}, pc = {:08X}, code = {:08X})",
-                         static_cast<std::size_t>(exception), pc, MemoryRead32(pc));
+                         static_cast<std::size_t>(exception), pc, memory.Read32(pc));
         }
     }
 
@@ -198,7 +198,7 @@ public:
         const auto match{parent.MatchingWatchpoint(addr, size, type)};
         if (match) {
             parent.halted_watchpoint = match;
-            ReturnException(parent.jit.load()->GetPC(), ARM_Interface::watchpoint);
+            parent.jit.load()->HaltExecution(ARM_Interface::watchpoint);
             return false;
         }
 
@@ -264,7 +264,6 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
 
     // Code cache size
     config.code_cache_size = 512_MiB;
-    config.far_code_offset = 400_MiB;
 
     // Allow memory fault handling to work
     if (system.DebuggerEnabled()) {
@@ -275,7 +274,6 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
     if (!page_table) {
         // Don't waste too much memory on null_jit
         config.code_cache_size = 8_MiB;
-        config.far_code_offset = 4_MiB;
     }
 
     // Safe optimizations
@@ -494,22 +492,22 @@ void ARM_Dynarmic_64::PageTableChanged(Common::PageTable& page_table,
 }
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace(Core::System& system,
-                                                                         u64 fp, u64 lr) {
+                                                                         u64 fp, u64 lr, u64 pc) {
     std::vector<BacktraceEntry> out;
     auto& memory = system.Memory();
 
-    // fp (= r29) points to the last frame record.
-    // Note that this is the frame record for the *previous* frame, not the current one.
-    // Note we need to subtract 4 from our last read to get the proper address
+    out.push_back({"", 0, pc, 0, ""});
+
+    // fp (= x29) points to the previous frame record.
     // Frame records are two words long:
     // fp+0 : pointer to previous frame record
     // fp+8 : value of lr for frame
     while (true) {
         out.push_back({"", 0, lr, 0, ""});
-        if (!fp) {
+        if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 16)) {
             break;
         }
-        lr = memory.Read64(fp + 8) - 4;
+        lr = memory.Read64(fp + 8);
         fp = memory.Read64(fp);
     }
 
@@ -520,11 +518,12 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace(Core::S
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktraceFromContext(
     System& system, const ThreadContext64& ctx) {
-    return GetBacktrace(system, ctx.cpu_registers[29], ctx.cpu_registers[30]);
+    const auto& reg = ctx.cpu_registers;
+    return GetBacktrace(system, reg[29], reg[30], ctx.pc);
 }
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace() const {
-    return GetBacktrace(system, GetReg(29), GetReg(30));
+    return GetBacktrace(system, GetReg(29), GetReg(30), GetPC());
 }
 
 } // namespace Core