abort/error: print backtrace, abuse templates, overhaul result/diag (macos not done yet)

libraries/libstratosphere/source/diag/impl/diag_dump_stack_trace.os.generic.cpp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <stratosphere.hpp>
+#include "diag_dump_stack_trace.hpp"
+
+namespace ams::diag::impl {
+
+    void TentativeDumpStackTrace() {
+        AMS_SDK_LOG("----------------Stack Trace----------------\n");
+        {
+            /* Get the backtrace. */
+            constexpr size_t MaxBackTraceSize = 0x40;
+            uintptr_t backtrace[MaxBackTraceSize];
+            const size_t num_items = ::ams::diag::GetBacktrace(backtrace, MaxBackTraceSize);
+
+            /* Print each item. */
+            for (size_t i = 0; i < num_items; ++i) {
+                char symbol_name[0x200];
+                if (const uintptr_t symbol_base = ::ams::diag::GetSymbolName(symbol_name, sizeof(symbol_name), backtrace[i] - 1); symbol_base != 0) {
+                    AMS_SDK_LOG("0x%016" PRIX64 " [ %s+0x%" PRIX64 " ]\n", static_cast<u64>(backtrace[i]), symbol_name, static_cast<u64>(backtrace[i] - (symbol_base + 1)));
+                } else {
+                    AMS_SDK_LOG("0x%016" PRIX64 " [ unknown ]\n", static_cast<u64>(backtrace[i]));
+                }
+            }
+        }
+        AMS_SDK_LOG("-------------------------------------------\n");
+    }
+
+}