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-rw-r--r--src/core/arm/arm_interface.cpp97
-rw-r--r--src/core/arm/arm_interface.h18
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_32.cpp19
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_32.h8
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_64.cpp38
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic_64.h8
6 files changed, 98 insertions, 90 deletions
diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp
index 08bf1201d..2a9390e26 100644
--- a/src/core/arm/arm_interface.cpp
+++ b/src/core/arm/arm_interface.cpp
@@ -14,96 +14,28 @@
#include "core/loader/loader.h"
#include "core/memory.h"
+#include "core/arm/dynarmic/arm_dynarmic_32.h"
+#include "core/arm/dynarmic/arm_dynarmic_64.h"
+
namespace Core {
constexpr u64 SEGMENT_BASE = 0x7100000000ull;
std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktraceFromContext(
- System& system, const ThreadContext64& ctx) {
- std::vector<BacktraceEntry> out;
- auto& memory = system.Memory();
-
- auto fp = ctx.cpu_registers[29];
- auto lr = ctx.cpu_registers[30];
- while (true) {
- out.push_back({
- .module = "",
- .address = 0,
- .original_address = lr,
- .offset = 0,
- .name = {},
- });
-
- if (fp == 0) {
- break;
- }
-
- lr = memory.Read64(fp + 8) - 4;
- fp = memory.Read64(fp);
- }
-
- std::map<VAddr, std::string> modules;
- auto& loader{system.GetAppLoader()};
- if (loader.ReadNSOModules(modules) != Loader::ResultStatus::Success) {
- return {};
- }
-
- std::map<std::string, Symbols::Symbols> symbols;
- for (const auto& module : modules) {
- symbols.insert_or_assign(module.second,
- Symbols::GetSymbols(module.first, system.Memory(),
- system.CurrentProcess()->Is64BitProcess()));
- }
-
- for (auto& entry : out) {
- VAddr base = 0;
- for (auto iter = modules.rbegin(); iter != modules.rend(); ++iter) {
- const auto& module{*iter};
- if (entry.original_address >= module.first) {
- entry.module = module.second;
- base = module.first;
- break;
- }
- }
-
- entry.offset = entry.original_address - base;
- entry.address = SEGMENT_BASE + entry.offset;
-
- if (entry.module.empty())
- entry.module = "unknown";
-
- const auto symbol_set = symbols.find(entry.module);
- if (symbol_set != symbols.end()) {
- const auto symbol = Symbols::GetSymbolName(symbol_set->second, entry.offset);
- if (symbol.has_value()) {
- // TODO(DarkLordZach): Add demangling of symbol names.
- entry.name = *symbol;
- }
- }
- }
-
- return out;
+ Core::System& system, const ARM_Interface::ThreadContext32& ctx) {
+ return ARM_Dynarmic_32::GetBacktraceFromContext(system, ctx);
}
-std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
- std::vector<BacktraceEntry> out;
- auto& memory = system.Memory();
-
- auto fp = GetReg(29);
- auto lr = GetReg(30);
- while (true) {
- out.push_back({"", 0, lr, 0, ""});
- if (!fp) {
- break;
- }
- lr = memory.Read64(fp + 8) - 4;
- fp = memory.Read64(fp);
- }
+std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktraceFromContext(
+ Core::System& system, const ARM_Interface::ThreadContext64& ctx) {
+ return ARM_Dynarmic_64::GetBacktraceFromContext(system, ctx);
+}
+void ARM_Interface::SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out) {
std::map<VAddr, std::string> modules;
auto& loader{system.GetAppLoader()};
if (loader.ReadNSOModules(modules) != Loader::ResultStatus::Success) {
- return {};
+ return;
}
std::map<std::string, Symbols::Symbols> symbols;
@@ -127,8 +59,9 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
entry.offset = entry.original_address - base;
entry.address = SEGMENT_BASE + entry.offset;
- if (entry.module.empty())
+ if (entry.module.empty()) {
entry.module = "unknown";
+ }
const auto symbol_set = symbols.find(entry.module);
if (symbol_set != symbols.end()) {
@@ -139,12 +72,10 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
}
}
}
-
- return out;
}
void ARM_Interface::LogBacktrace() const {
- const VAddr sp = GetReg(13);
+ const VAddr sp = GetSP();
const VAddr pc = GetPC();
LOG_ERROR(Core_ARM, "Backtrace, sp={:016X}, pc={:016X}", sp, pc);
LOG_ERROR(Core_ARM, "{:20}{:20}{:20}{:20}{}", "Module Name", "Address", "Original Address",
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index dce2f4195..bcec4b3b8 100644
--- a/src/core/arm/arm_interface.h
+++ b/src/core/arm/arm_interface.h
@@ -101,6 +101,12 @@ public:
virtual u64 GetPC() const = 0;
/**
+ * Get the current Stack Pointer
+ * @return Returns current SP
+ */
+ virtual u64 GetSP() const = 0;
+
+ /**
* Get an ARM register
* @param index Register index
* @return Returns the value in the register
@@ -183,16 +189,12 @@ public:
};
static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
+ const ThreadContext32& ctx);
+ static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
const ThreadContext64& ctx);
- std::vector<BacktraceEntry> GetBacktrace() const;
+ virtual std::vector<BacktraceEntry> GetBacktrace() const = 0;
- /// 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
- /// Frame records are two words long:
- /// fp+0 : pointer to previous frame record
- /// fp+8 : value of lr for frame
void LogBacktrace() const;
protected:
@@ -200,6 +202,8 @@ protected:
System& system;
CPUInterrupts& interrupt_handlers;
bool uses_wall_clock;
+
+ static void SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out);
};
} // namespace Core
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index 5de4384db..da5659046 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -268,6 +268,10 @@ u64 ARM_Dynarmic_32::GetPC() const {
return jit.load()->Regs()[15];
}
+u64 ARM_Dynarmic_32::GetSP() const {
+ return jit.load()->Regs()[13];
+}
+
u64 ARM_Dynarmic_32::GetReg(int index) const {
return jit.load()->Regs()[index];
}
@@ -362,4 +366,19 @@ void ARM_Dynarmic_32::PageTableChanged(Common::PageTable& page_table,
jit_cache.emplace(key, std::move(new_jit));
}
+std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace(Core::System& system,
+ u64 sp, u64 lr) {
+ // No way to get accurate stack traces in A32 yet
+ return {};
+}
+
+std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktraceFromContext(
+ System& system, const ThreadContext32& ctx) {
+ return GetBacktrace(system, ctx.cpu_registers[13], ctx.cpu_registers[14]);
+}
+
+std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace() const {
+ return GetBacktrace(system, GetReg(13), GetReg(14));
+}
+
} // namespace Core
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.h b/src/core/arm/dynarmic/arm_dynarmic_32.h
index 684937353..1b628f94d 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.h
@@ -35,6 +35,7 @@ public:
void SetPC(u64 pc) override;
u64 GetPC() const override;
+ u64 GetSP() const override;
u64 GetReg(int index) const override;
void SetReg(int index, u64 value) override;
u128 GetVectorReg(int index) const override;
@@ -66,9 +67,16 @@ public:
void PageTableChanged(Common::PageTable& new_page_table,
std::size_t new_address_space_size_in_bits) override;
+ static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
+ const ThreadContext32& ctx);
+
+ std::vector<BacktraceEntry> GetBacktrace() const override;
+
private:
std::shared_ptr<Dynarmic::A32::Jit> MakeJit(Common::PageTable* page_table) const;
+ static std::vector<BacktraceEntry> GetBacktrace(Core::System& system, u64 sp, u64 lr);
+
using JitCacheKey = std::pair<Common::PageTable*, std::size_t>;
using JitCacheType =
std::unordered_map<JitCacheKey, std::shared_ptr<Dynarmic::A32::Jit>, Common::PairHash>;
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index ae0b158c2..871d9d10e 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -328,6 +328,10 @@ u64 ARM_Dynarmic_64::GetPC() const {
return jit.load()->GetPC();
}
+u64 ARM_Dynarmic_64::GetSP() const {
+ return jit.load()->GetSP();
+}
+
u64 ARM_Dynarmic_64::GetReg(int index) const {
return jit.load()->GetRegister(index);
}
@@ -430,4 +434,38 @@ void ARM_Dynarmic_64::PageTableChanged(Common::PageTable& page_table,
jit_cache.emplace(key, std::move(new_jit));
}
+std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace(Core::System& system,
+ u64 fp, u64 lr) {
+ 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
+ // 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) {
+ break;
+ }
+ lr = memory.Read64(fp + 8) - 4;
+ fp = memory.Read64(fp);
+ }
+
+ SymbolicateBacktrace(system, out);
+
+ return out;
+}
+
+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]);
+}
+
+std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace() const {
+ return GetBacktrace(system, GetReg(29), GetReg(30));
+}
+
} // namespace Core
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.h b/src/core/arm/dynarmic/arm_dynarmic_64.h
index 86018f196..78773e293 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.h
@@ -33,6 +33,7 @@ public:
void SetPC(u64 pc) override;
u64 GetPC() const override;
+ u64 GetSP() const override;
u64 GetReg(int index) const override;
void SetReg(int index, u64 value) override;
u128 GetVectorReg(int index) const override;
@@ -60,10 +61,17 @@ public:
void PageTableChanged(Common::PageTable& new_page_table,
std::size_t new_address_space_size_in_bits) override;
+ static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
+ const ThreadContext64& ctx);
+
+ std::vector<BacktraceEntry> GetBacktrace() const override;
+
private:
std::shared_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable* page_table,
std::size_t address_space_bits) const;
+ static std::vector<BacktraceEntry> GetBacktrace(Core::System& system, u64 fp, u64 lr);
+
using JitCacheKey = std::pair<Common::PageTable*, std::size_t>;
using JitCacheType =
std::unordered_map<JitCacheKey, std::shared_ptr<Dynarmic::A64::Jit>, Common::PairHash>;