aboutsummaryrefslogtreecommitdiff
path: root/src/core/arm/arm_interface.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/arm/arm_interface.cpp')
-rw-r--r--src/core/arm/arm_interface.cpp100
1 files changed, 77 insertions, 23 deletions
diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp
index 8aa7b9641..beaea64b3 100644
--- a/src/core/arm/arm_interface.cpp
+++ b/src/core/arm/arm_interface.cpp
@@ -13,25 +13,68 @@
#include "core/core.h"
#include "core/debugger/debugger.h"
#include "core/hle/kernel/k_process.h"
+#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/svc.h"
#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(
Core::System& system, const ARM_Interface::ThreadContext32& ctx) {
- return ARM_Dynarmic_32::GetBacktraceFromContext(system, ctx);
+ std::vector<BacktraceEntry> out;
+ auto& memory = system.ApplicationMemory();
+
+ const auto& reg = ctx.cpu_registers;
+ u32 pc = reg[15], lr = reg[14], fp = reg[11];
+ out.push_back({"", 0, pc, 0, ""});
+
+ // fp (= r11) points to the last frame record.
+ // Frame records are two words long:
+ // fp+0 : pointer to previous frame record
+ // fp+4 : value of lr for frame
+ for (size_t i = 0; i < 256; i++) {
+ out.push_back({"", 0, lr, 0, ""});
+ if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 8)) {
+ break;
+ }
+ lr = memory.Read32(fp + 4);
+ fp = memory.Read32(fp);
+ }
+
+ SymbolicateBacktrace(system, out);
+
+ return out;
}
std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktraceFromContext(
Core::System& system, const ARM_Interface::ThreadContext64& ctx) {
- return ARM_Dynarmic_64::GetBacktraceFromContext(system, ctx);
+ std::vector<BacktraceEntry> out;
+ auto& memory = system.ApplicationMemory();
+
+ const auto& reg = ctx.cpu_registers;
+ u64 pc = ctx.pc, lr = reg[30], fp = reg[29];
+
+ 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
+ for (size_t i = 0; i < 256; i++) {
+ out.push_back({"", 0, lr, 0, ""});
+ if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 16)) {
+ break;
+ }
+ lr = memory.Read64(fp + 8);
+ fp = memory.Read64(fp);
+ }
+
+ SymbolicateBacktrace(system, out);
+
+ return out;
}
void ARM_Interface::SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out) {
@@ -43,9 +86,9 @@ void ARM_Interface::SymbolicateBacktrace(Core::System& system, std::vector<Backt
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()));
+ symbols.insert_or_assign(
+ module.second, Symbols::GetSymbols(module.first, system.ApplicationMemory(),
+ system.ApplicationProcess()->Is64BitProcess()));
}
for (auto& entry : out) {
@@ -76,6 +119,18 @@ void ARM_Interface::SymbolicateBacktrace(Core::System& system, std::vector<Backt
}
}
+std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
+ if (GetArchitecture() == Architecture::Aarch64) {
+ ThreadContext64 ctx;
+ SaveContext(ctx);
+ return GetBacktraceFromContext(system, ctx);
+ } else {
+ ThreadContext32 ctx;
+ SaveContext(ctx);
+ return GetBacktraceFromContext(system, ctx);
+ }
+}
+
void ARM_Interface::LogBacktrace() const {
const VAddr sp = GetSP();
const VAddr pc = GetPC();
@@ -83,7 +138,6 @@ void ARM_Interface::LogBacktrace() const {
LOG_ERROR(Core_ARM, "{:20}{:20}{:20}{:20}{}", "Module Name", "Address", "Original Address",
"Offset", "Symbol");
LOG_ERROR(Core_ARM, "");
-
const auto backtrace = GetBacktrace();
for (const auto& entry : backtrace) {
LOG_ERROR(Core_ARM, "{:20}{:016X} {:016X} {:016X} {}", entry.module, entry.address,
@@ -97,7 +151,7 @@ void ARM_Interface::Run() {
while (true) {
Kernel::KThread* current_thread{Kernel::GetCurrentThreadPointer(system.Kernel())};
- Dynarmic::HaltReason hr{};
+ HaltReason hr{};
// Notify the debugger and go to sleep if a step was performed
// and this thread has been scheduled again.
@@ -108,17 +162,17 @@ void ARM_Interface::Run() {
}
// Otherwise, run the thread.
- system.EnterDynarmicProfile();
+ system.EnterCPUProfile();
if (current_thread->GetStepState() == StepState::StepPending) {
hr = StepJit();
- if (Has(hr, step_thread)) {
+ if (True(hr & HaltReason::StepThread)) {
current_thread->SetStepState(StepState::StepPerformed);
}
} else {
hr = RunJit();
}
- system.ExitDynarmicProfile();
+ system.ExitCPUProfile();
// If the thread is scheduled for termination, exit the thread.
if (current_thread->HasDpc()) {
@@ -130,8 +184,8 @@ void ARM_Interface::Run() {
// Notify the debugger and go to sleep if a breakpoint was hit,
// or if the thread is unable to continue for any reason.
- if (Has(hr, breakpoint) || Has(hr, no_execute)) {
- if (!Has(hr, no_execute)) {
+ if (True(hr & HaltReason::InstructionBreakpoint) || True(hr & HaltReason::PrefetchAbort)) {
+ if (!True(hr & HaltReason::InstructionBreakpoint)) {
RewindBreakpointInstruction();
}
if (system.DebuggerEnabled()) {
@@ -144,7 +198,7 @@ void ARM_Interface::Run() {
}
// Notify the debugger and go to sleep if a watchpoint was hit.
- if (Has(hr, watchpoint)) {
+ if (True(hr & HaltReason::DataAbort)) {
if (system.DebuggerEnabled()) {
system.GetDebugger().NotifyThreadWatchpoint(current_thread, *HaltedWatchpoint());
}
@@ -153,11 +207,11 @@ void ARM_Interface::Run() {
}
// Handle syscalls and scheduling (this may change the current thread/core)
- if (Has(hr, svc_call)) {
+ if (True(hr & HaltReason::SupervisorCall)) {
Kernel::Svc::Call(system, GetSvcNumber());
break;
}
- if (Has(hr, break_loop) || !uses_wall_clock) {
+ if (True(hr & HaltReason::BreakLoop) || !uses_wall_clock) {
break;
}
}
@@ -168,21 +222,21 @@ void ARM_Interface::LoadWatchpointArray(const WatchpointArray& wp) {
}
const Kernel::DebugWatchpoint* ARM_Interface::MatchingWatchpoint(
- VAddr addr, u64 size, Kernel::DebugWatchpointType access_type) const {
+ u64 addr, u64 size, Kernel::DebugWatchpointType access_type) const {
if (!watchpoints) {
return nullptr;
}
- const VAddr start_address{addr};
- const VAddr end_address{addr + size};
+ const u64 start_address{addr};
+ const u64 end_address{addr + size};
for (size_t i = 0; i < Core::Hardware::NUM_WATCHPOINTS; i++) {
const auto& watch{(*watchpoints)[i]};
- if (end_address <= watch.start_address) {
+ if (end_address <= GetInteger(watch.start_address)) {
continue;
}
- if (start_address >= watch.end_address) {
+ if (start_address >= GetInteger(watch.end_address)) {
continue;
}
if ((access_type & watch.type) == Kernel::DebugWatchpointType::None) {
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-11 11:16:26 +0000