creport: Parse info for crashed thread

stratosphere/creport/source/creport_thread_info.hpp

@@ -0,0 +1,45 @@
+#pragma once
+#include <switch.h>
+
+#include "creport_debug_types.hpp"
+
+struct FpuReg {
+    u64 _[2]; /* TODO: uint128? */
+};
+
+struct DebugThreadContext {
+    union {
+        u64 x[0x20];
+        struct {
+            u64 _x[29];
+            u64 fp;
+            u64 lr;
+            u64 sp;
+        };
+    };
+    u64 pc;
+    u32 psr;
+    /* 32-bits of padding. */
+    FpuReg fpu_reg[0x20];
+    u32 fpcr;
+    u32 fpsr;
+    u64 tpidr;
+};
+
+static_assert(sizeof(DebugThreadContext) == 0x320, "Incorrect DebugThreadContext Definition!");
+
+class ThreadInfo {
+    private:
+        DebugThreadContext context;
+        u64 thread_id;
+        u64 stack_top;
+        u64 stack_bottom;
+        u64 stack_trace[0x20];
+        u32 stack_trace_size;
+    public:
+        ThreadInfo() {
+            (*this) = {};
+        }
+        
+        bool ReadFromProcess(Handle debug_handle, u64 thread_id, bool is_64_bit);
+};