mirror of
https://github.com/yuzu-emu/yuzu.git
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Merge pull request #8232 from liamwhite/backtrace
core/arm: separate backtrace collection
This commit is contained in:
commit
fd409a9247
@ -14,96 +14,28 @@
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#include "core/loader/loader.h"
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#include "core/loader/loader.h"
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#include "core/memory.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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namespace Core {
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constexpr u64 SEGMENT_BASE = 0x7100000000ull;
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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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std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktraceFromContext(
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System& system, const ThreadContext64& ctx) {
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Core::System& system, const ARM_Interface::ThreadContext32& ctx) {
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std::vector<BacktraceEntry> out;
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return ARM_Dynarmic_32::GetBacktraceFromContext(system, ctx);
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auto& memory = system.Memory();
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auto fp = ctx.cpu_registers[29];
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auto lr = ctx.cpu_registers[30];
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while (true) {
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out.push_back({
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.module = "",
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.address = 0,
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.original_address = lr,
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.offset = 0,
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.name = {},
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});
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if (fp == 0) {
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break;
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}
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lr = memory.Read64(fp + 8) - 4;
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fp = memory.Read64(fp);
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}
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std::map<VAddr, std::string> modules;
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auto& loader{system.GetAppLoader()};
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if (loader.ReadNSOModules(modules) != Loader::ResultStatus::Success) {
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return {};
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}
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std::map<std::string, Symbols::Symbols> symbols;
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for (const auto& module : modules) {
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symbols.insert_or_assign(module.second,
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Symbols::GetSymbols(module.first, system.Memory(),
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system.CurrentProcess()->Is64BitProcess()));
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}
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for (auto& entry : out) {
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VAddr base = 0;
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for (auto iter = modules.rbegin(); iter != modules.rend(); ++iter) {
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const auto& module{*iter};
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if (entry.original_address >= module.first) {
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entry.module = module.second;
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base = module.first;
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break;
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}
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}
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entry.offset = entry.original_address - base;
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entry.address = SEGMENT_BASE + entry.offset;
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if (entry.module.empty())
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entry.module = "unknown";
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const auto symbol_set = symbols.find(entry.module);
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if (symbol_set != symbols.end()) {
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const auto symbol = Symbols::GetSymbolName(symbol_set->second, entry.offset);
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if (symbol.has_value()) {
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// TODO(DarkLordZach): Add demangling of symbol names.
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entry.name = *symbol;
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}
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}
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}
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return out;
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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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std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktraceFromContext(
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std::vector<BacktraceEntry> out;
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Core::System& system, const ARM_Interface::ThreadContext64& ctx) {
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auto& memory = system.Memory();
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return ARM_Dynarmic_64::GetBacktraceFromContext(system, ctx);
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}
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auto fp = GetReg(29);
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auto lr = GetReg(30);
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while (true) {
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out.push_back({"", 0, lr, 0, ""});
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if (!fp) {
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break;
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}
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lr = memory.Read64(fp + 8) - 4;
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fp = memory.Read64(fp);
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}
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void ARM_Interface::SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out) {
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std::map<VAddr, std::string> modules;
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std::map<VAddr, std::string> modules;
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auto& loader{system.GetAppLoader()};
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auto& loader{system.GetAppLoader()};
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if (loader.ReadNSOModules(modules) != Loader::ResultStatus::Success) {
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if (loader.ReadNSOModules(modules) != Loader::ResultStatus::Success) {
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return {};
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return;
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}
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}
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std::map<std::string, Symbols::Symbols> symbols;
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std::map<std::string, Symbols::Symbols> symbols;
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@ -127,8 +59,9 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
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entry.offset = entry.original_address - base;
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entry.offset = entry.original_address - base;
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entry.address = SEGMENT_BASE + entry.offset;
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entry.address = SEGMENT_BASE + entry.offset;
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if (entry.module.empty())
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if (entry.module.empty()) {
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entry.module = "unknown";
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entry.module = "unknown";
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}
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const auto symbol_set = symbols.find(entry.module);
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const auto symbol_set = symbols.find(entry.module);
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if (symbol_set != symbols.end()) {
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if (symbol_set != symbols.end()) {
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@ -139,12 +72,10 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
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}
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}
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}
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}
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}
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}
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return out;
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}
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}
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void ARM_Interface::LogBacktrace() const {
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void ARM_Interface::LogBacktrace() const {
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const VAddr sp = GetReg(13);
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const VAddr sp = GetSP();
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const VAddr pc = GetPC();
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const VAddr pc = GetPC();
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LOG_ERROR(Core_ARM, "Backtrace, sp={:016X}, pc={:016X}", sp, pc);
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LOG_ERROR(Core_ARM, "Backtrace, sp={:016X}, pc={:016X}", sp, pc);
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LOG_ERROR(Core_ARM, "{:20}{:20}{:20}{:20}{}", "Module Name", "Address", "Original Address",
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LOG_ERROR(Core_ARM, "{:20}{:20}{:20}{:20}{}", "Module Name", "Address", "Original Address",
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@ -100,6 +100,12 @@ public:
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*/
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*/
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virtual u64 GetPC() const = 0;
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virtual u64 GetPC() const = 0;
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/**
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* Get the current Stack Pointer
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* @return Returns current SP
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*/
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virtual u64 GetSP() const = 0;
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/**
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/**
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* Get an ARM register
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* Get an ARM register
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* @param index Register index
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* @param index Register index
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@ -182,17 +188,13 @@ public:
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std::string name;
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std::string name;
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};
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};
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static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
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const ThreadContext32& ctx);
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static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
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static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
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const ThreadContext64& ctx);
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const ThreadContext64& ctx);
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std::vector<BacktraceEntry> GetBacktrace() const;
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virtual std::vector<BacktraceEntry> GetBacktrace() const = 0;
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/// fp (= r29) points to the last frame record.
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/// Note that this is the frame record for the *previous* frame, not the current one.
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/// Note we need to subtract 4 from our last read to get the proper address
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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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void LogBacktrace() const;
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void LogBacktrace() const;
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protected:
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protected:
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@ -200,6 +202,8 @@ protected:
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System& system;
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System& system;
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CPUInterrupts& interrupt_handlers;
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CPUInterrupts& interrupt_handlers;
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bool uses_wall_clock;
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bool uses_wall_clock;
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static void SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out);
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};
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};
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} // namespace Core
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} // namespace Core
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@ -268,6 +268,10 @@ u64 ARM_Dynarmic_32::GetPC() const {
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return jit.load()->Regs()[15];
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return jit.load()->Regs()[15];
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}
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}
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u64 ARM_Dynarmic_32::GetSP() const {
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return jit.load()->Regs()[13];
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}
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u64 ARM_Dynarmic_32::GetReg(int index) const {
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u64 ARM_Dynarmic_32::GetReg(int index) const {
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return jit.load()->Regs()[index];
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return jit.load()->Regs()[index];
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}
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}
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@ -362,4 +366,19 @@ void ARM_Dynarmic_32::PageTableChanged(Common::PageTable& page_table,
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jit_cache.emplace(key, std::move(new_jit));
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jit_cache.emplace(key, std::move(new_jit));
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}
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}
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std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace(Core::System& system,
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u64 sp, u64 lr) {
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// No way to get accurate stack traces in A32 yet
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return {};
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}
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std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktraceFromContext(
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System& system, const ThreadContext32& ctx) {
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return GetBacktrace(system, ctx.cpu_registers[13], ctx.cpu_registers[14]);
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}
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std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace() const {
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return GetBacktrace(system, GetReg(13), GetReg(14));
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}
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} // namespace Core
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} // namespace Core
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@ -35,6 +35,7 @@ public:
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void SetPC(u64 pc) override;
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void SetPC(u64 pc) override;
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u64 GetPC() const override;
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u64 GetPC() const override;
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u64 GetSP() const override;
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u64 GetReg(int index) const override;
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u64 GetReg(int index) const override;
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void SetReg(int index, u64 value) override;
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void SetReg(int index, u64 value) override;
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u128 GetVectorReg(int index) const override;
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u128 GetVectorReg(int index) const override;
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@ -66,9 +67,16 @@ public:
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void PageTableChanged(Common::PageTable& new_page_table,
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void PageTableChanged(Common::PageTable& new_page_table,
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std::size_t new_address_space_size_in_bits) override;
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std::size_t new_address_space_size_in_bits) override;
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static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
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const ThreadContext32& ctx);
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std::vector<BacktraceEntry> GetBacktrace() const override;
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private:
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private:
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std::shared_ptr<Dynarmic::A32::Jit> MakeJit(Common::PageTable* page_table) const;
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std::shared_ptr<Dynarmic::A32::Jit> MakeJit(Common::PageTable* page_table) const;
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static std::vector<BacktraceEntry> GetBacktrace(Core::System& system, u64 sp, u64 lr);
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using JitCacheKey = std::pair<Common::PageTable*, std::size_t>;
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using JitCacheKey = std::pair<Common::PageTable*, std::size_t>;
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using JitCacheType =
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using JitCacheType =
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std::unordered_map<JitCacheKey, std::shared_ptr<Dynarmic::A32::Jit>, Common::PairHash>;
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std::unordered_map<JitCacheKey, std::shared_ptr<Dynarmic::A32::Jit>, Common::PairHash>;
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@ -328,6 +328,10 @@ u64 ARM_Dynarmic_64::GetPC() const {
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return jit.load()->GetPC();
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return jit.load()->GetPC();
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}
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}
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u64 ARM_Dynarmic_64::GetSP() const {
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return jit.load()->GetSP();
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}
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u64 ARM_Dynarmic_64::GetReg(int index) const {
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u64 ARM_Dynarmic_64::GetReg(int index) const {
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return jit.load()->GetRegister(index);
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return jit.load()->GetRegister(index);
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}
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}
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@ -430,4 +434,38 @@ void ARM_Dynarmic_64::PageTableChanged(Common::PageTable& page_table,
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jit_cache.emplace(key, std::move(new_jit));
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jit_cache.emplace(key, std::move(new_jit));
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}
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}
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std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace(Core::System& system,
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u64 fp, u64 lr) {
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std::vector<BacktraceEntry> out;
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auto& memory = system.Memory();
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// fp (= r29) points to the last frame record.
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// Note that this is the frame record for the *previous* frame, not the current one.
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// Note we need to subtract 4 from our last read to get the proper address
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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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while (true) {
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out.push_back({"", 0, lr, 0, ""});
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if (!fp) {
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break;
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}
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lr = memory.Read64(fp + 8) - 4;
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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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std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktraceFromContext(
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System& system, const ThreadContext64& ctx) {
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return GetBacktrace(system, ctx.cpu_registers[29], ctx.cpu_registers[30]);
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}
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std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace() const {
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return GetBacktrace(system, GetReg(29), GetReg(30));
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}
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} // namespace Core
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} // namespace Core
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@ -33,6 +33,7 @@ public:
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void SetPC(u64 pc) override;
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void SetPC(u64 pc) override;
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u64 GetPC() const override;
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u64 GetPC() const override;
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u64 GetSP() const override;
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u64 GetReg(int index) const override;
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u64 GetReg(int index) const override;
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void SetReg(int index, u64 value) override;
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void SetReg(int index, u64 value) override;
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u128 GetVectorReg(int index) const override;
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u128 GetVectorReg(int index) const override;
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@ -60,10 +61,17 @@ public:
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void PageTableChanged(Common::PageTable& new_page_table,
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void PageTableChanged(Common::PageTable& new_page_table,
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std::size_t new_address_space_size_in_bits) override;
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std::size_t new_address_space_size_in_bits) override;
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static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
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const ThreadContext64& ctx);
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std::vector<BacktraceEntry> GetBacktrace() const override;
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private:
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private:
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std::shared_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable* page_table,
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std::shared_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable* page_table,
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std::size_t address_space_bits) const;
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std::size_t address_space_bits) const;
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static std::vector<BacktraceEntry> GetBacktrace(Core::System& system, u64 fp, u64 lr);
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using JitCacheKey = std::pair<Common::PageTable*, std::size_t>;
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using JitCacheKey = std::pair<Common::PageTable*, std::size_t>;
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using JitCacheType =
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using JitCacheType =
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std::unordered_map<JitCacheKey, std::shared_ptr<Dynarmic::A64::Jit>, Common::PairHash>;
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std::unordered_map<JitCacheKey, std::shared_ptr<Dynarmic::A64::Jit>, Common::PairHash>;
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