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-rw-r--r--src/core/CMakeLists.txt1
-rw-r--r--src/core/arm/arm_interface.cpp26
-rw-r--r--src/core/arm/arm_interface.h8
-rw-r--r--src/core/arm/unicorn/arm_unicorn.cpp1
-rw-r--r--src/core/hle/kernel/svc.cpp3
-rw-r--r--src/core/hle/service/fatal/fatal.cpp3
6 files changed, 41 insertions, 1 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index f38271336..8f2db5bea 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -1,5 +1,6 @@
add_library(core STATIC
arm/arm_interface.h
+ arm/arm_interface.cpp
arm/exclusive_monitor.cpp
arm/exclusive_monitor.h
arm/unicorn/arm_unicorn.cpp
diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp
new file mode 100644
index 000000000..bcc812da4
--- /dev/null
+++ b/src/core/arm/arm_interface.cpp
@@ -0,0 +1,26 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "arm_interface.h"
+#include "common/common_types.h"
+#include "common/logging/log.h"
+#include "core/memory.h"
+
+namespace Core {
+void ARM_Interface::LogBacktrace() {
+ VAddr fp = GetReg(29);
+ VAddr lr = GetReg(30);
+ VAddr sp = GetReg(13);
+ VAddr pc = GetPC();
+ LOG_ERROR(Core_ARM, "Backtrace, sp={:016X}, pc={:016X}", sp, pc);
+ for (;;) {
+ LOG_ERROR(Core_ARM, "{:016X}", lr);
+ if (!fp) {
+ break;
+ }
+ lr = Memory::Read64(fp + 8) - 4;
+ fp = Memory::Read64(fp);
+ }
+}
+}; // namespace Core
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h
index 59da33f30..91d2b0f81 100644
--- a/src/core/arm/arm_interface.h
+++ b/src/core/arm/arm_interface.h
@@ -141,6 +141,14 @@ public:
/// Prepare core for thread reschedule (if needed to correctly handle state)
virtual void PrepareReschedule() = 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();
};
} // namespace Core
diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp
index ded4dd359..c455c81fb 100644
--- a/src/core/arm/unicorn/arm_unicorn.cpp
+++ b/src/core/arm/unicorn/arm_unicorn.cpp
@@ -10,6 +10,7 @@
#include "core/core.h"
#include "core/core_timing.h"
#include "core/hle/kernel/svc.h"
+#include "core/memory.h"
namespace Core {
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index b955f9839..5fac831ee 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -684,6 +684,9 @@ static void Break(u32 reason, u64 info1, u64 info2) {
"Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}",
reason, info1, info2);
handle_debug_buffer(info1, info2);
+ Core::System::GetInstance()
+ .ArmInterface(static_cast<std::size_t>(GetCurrentThread()->GetProcessorID()))
+ .LogBacktrace();
ASSERT(false);
Core::CurrentProcess()->PrepareForTermination();
diff --git a/src/core/hle/service/fatal/fatal.cpp b/src/core/hle/service/fatal/fatal.cpp
index 2f15ac2a6..770590d0b 100644
--- a/src/core/hle/service/fatal/fatal.cpp
+++ b/src/core/hle/service/fatal/fatal.cpp
@@ -111,7 +111,8 @@ static void GenerateErrorReport(ResultCode error_code, const FatalInfo& info) {
}
static void ThrowFatalError(ResultCode error_code, FatalType fatal_type, const FatalInfo& info) {
- LOG_ERROR(Service_Fatal, "Threw fatal error type {}", static_cast<u32>(fatal_type));
+ LOG_ERROR(Service_Fatal, "Threw fatal error type {} with error code 0x{:X}",
+ static_cast<u32>(fatal_type), error_code.raw);
switch (fatal_type) {
case FatalType::ErrorReportAndScreen:
GenerateErrorReport(error_code, info);