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@ -13,25 +13,68 @@
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#include "core/core.h"
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#include "core/debugger/debugger.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/hle/kernel/k_thread.h"
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#include "core/hle/kernel/svc.h"
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#include "core/loader/loader.h"
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#include "core/memory.h"
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#include "core/arm/dynarmic/arm_dynarmic_32.h"
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#include "core/arm/dynarmic/arm_dynarmic_64.h"
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namespace Core {
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constexpr u64 SEGMENT_BASE = 0x7100000000ull;
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std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktraceFromContext(
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Core::System& system, const ARM_Interface::ThreadContext32& ctx) {
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return ARM_Dynarmic_32::GetBacktraceFromContext(system, ctx);
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std::vector<BacktraceEntry> out;
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auto& memory = system.ApplicationMemory();
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const auto& reg = ctx.cpu_registers;
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u32 pc = reg[15], lr = reg[14], fp = reg[11];
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out.push_back({"", 0, pc, 0, ""});
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// fp (= r11) points to the last frame record.
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// Frame records are two words long:
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// fp+0 : pointer to previous frame record
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// fp+4 : value of lr for frame
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for (size_t i = 0; i < 256; i++) {
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out.push_back({"", 0, lr, 0, ""});
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if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 8)) {
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break;
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}
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lr = memory.Read32(fp + 4);
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fp = memory.Read32(fp);
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}
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SymbolicateBacktrace(system, out);
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return out;
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}
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std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktraceFromContext(
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Core::System& system, const ARM_Interface::ThreadContext64& ctx) {
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return ARM_Dynarmic_64::GetBacktraceFromContext(system, ctx);
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std::vector<BacktraceEntry> out;
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auto& memory = system.ApplicationMemory();
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const auto& reg = ctx.cpu_registers;
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u64 pc = ctx.pc, lr = reg[30], fp = reg[29];
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out.push_back({"", 0, pc, 0, ""});
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// fp (= x29) points to the previous frame record.
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// Frame records are two words long:
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// fp+0 : pointer to previous frame record
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// fp+8 : value of lr for frame
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for (size_t i = 0; i < 256; i++) {
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out.push_back({"", 0, lr, 0, ""});
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if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 16)) {
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break;
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}
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lr = memory.Read64(fp + 8);
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fp = memory.Read64(fp);
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}
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SymbolicateBacktrace(system, out);
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return out;
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}
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void ARM_Interface::SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out) {
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@ -76,6 +119,18 @@ void ARM_Interface::SymbolicateBacktrace(Core::System& system, std::vector<Backt
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}
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}
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std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
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if (GetArchitecture() == Architecture::Aarch64) {
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ThreadContext64 ctx;
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SaveContext(ctx);
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return GetBacktraceFromContext(system, ctx);
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} else {
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ThreadContext32 ctx;
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SaveContext(ctx);
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return GetBacktraceFromContext(system, ctx);
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}
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}
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void ARM_Interface::LogBacktrace() const {
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const VAddr sp = GetSP();
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const VAddr pc = GetPC();
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@ -83,7 +138,6 @@ void ARM_Interface::LogBacktrace() const {
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LOG_ERROR(Core_ARM, "{:20}{:20}{:20}{:20}{}", "Module Name", "Address", "Original Address",
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"Offset", "Symbol");
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LOG_ERROR(Core_ARM, "");
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const auto backtrace = GetBacktrace();
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for (const auto& entry : backtrace) {
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LOG_ERROR(Core_ARM, "{:20}{:016X} {:016X} {:016X} {}", entry.module, entry.address,
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@ -97,7 +151,7 @@ void ARM_Interface::Run() {
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while (true) {
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Kernel::KThread* current_thread{Kernel::GetCurrentThreadPointer(system.Kernel())};
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Dynarmic::HaltReason hr{};
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HaltReason hr{};
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// Notify the debugger and go to sleep if a step was performed
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// and this thread has been scheduled again.
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@ -108,17 +162,17 @@ void ARM_Interface::Run() {
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}
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// Otherwise, run the thread.
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system.EnterDynarmicProfile();
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system.EnterCPUProfile();
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if (current_thread->GetStepState() == StepState::StepPending) {
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hr = StepJit();
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if (Has(hr, step_thread)) {
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if (True(hr & HaltReason::StepThread)) {
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current_thread->SetStepState(StepState::StepPerformed);
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}
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} else {
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hr = RunJit();
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}
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system.ExitDynarmicProfile();
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system.ExitCPUProfile();
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// If the thread is scheduled for termination, exit the thread.
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if (current_thread->HasDpc()) {
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@ -130,8 +184,8 @@ void ARM_Interface::Run() {
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// Notify the debugger and go to sleep if a breakpoint was hit,
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// or if the thread is unable to continue for any reason.
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if (Has(hr, breakpoint) || Has(hr, no_execute)) {
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if (!Has(hr, no_execute)) {
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if (True(hr & HaltReason::InstructionBreakpoint) || True(hr & HaltReason::PrefetchAbort)) {
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if (!True(hr & HaltReason::InstructionBreakpoint)) {
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RewindBreakpointInstruction();
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}
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if (system.DebuggerEnabled()) {
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@ -144,7 +198,7 @@ void ARM_Interface::Run() {
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}
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// Notify the debugger and go to sleep if a watchpoint was hit.
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if (Has(hr, watchpoint)) {
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if (True(hr & HaltReason::DataAbort)) {
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if (system.DebuggerEnabled()) {
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system.GetDebugger().NotifyThreadWatchpoint(current_thread, *HaltedWatchpoint());
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}
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@ -153,11 +207,11 @@ void ARM_Interface::Run() {
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}
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// Handle syscalls and scheduling (this may change the current thread/core)
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if (Has(hr, svc_call)) {
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if (True(hr & HaltReason::SupervisorCall)) {
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Kernel::Svc::Call(system, GetSvcNumber());
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break;
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}
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if (Has(hr, break_loop) || !uses_wall_clock) {
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if (True(hr & HaltReason::BreakLoop) || !uses_wall_clock) {
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break;
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}
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}
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Liam