1 files changed, 57 insertions, 0 deletions
diff --git a/externals/dynarmic/src/dynarmic/common/x64_disassemble.cpp b/externals/dynarmic/src/dynarmic/common/x64_disassemble.cpp
new file mode 100644
index 0000000000..854de23a77
--- /dev/null
+++ b/externals/dynarmic/src/dynarmic/common/x64_disassemble.cpp
@@ -0,0 +1,57 @@
+/* This file is part of the dynarmic project.
+ * Copyright (c) 2021 MerryMage
+ * SPDX-License-Identifier: 0BSD
+ */
+
+#include "dynarmic/common/x64_disassemble.h"
+
+#include <Zydis/Zydis.h>
+#include <fmt/printf.h>
+#include <mcl/stdint.hpp>
+
+namespace Dynarmic::Common {
+
+void DumpDisassembledX64(const void* ptr, size_t size) {
+    ZydisDecoder decoder;
+    ZydisDecoderInit(&decoder, ZYDIS_MACHINE_MODE_LONG_64, ZYDIS_STACK_WIDTH_64);
+
+    ZydisFormatter formatter;
+    ZydisFormatterInit(&formatter, ZYDIS_FORMATTER_STYLE_INTEL);
+
+    size_t offset = 0;
+    ZydisDecodedInstruction instruction;
+    ZydisDecodedOperand operands[ZYDIS_MAX_OPERAND_COUNT];
+    while (ZYAN_SUCCESS(ZydisDecoderDecodeFull(&decoder, static_cast<const char*>(ptr) + offset, size - offset, &instruction, operands))) {
+        fmt::print("{:016x}  ", (u64)ptr + offset);
+
+        char buffer[256];
+        ZydisFormatterFormatInstruction(&formatter, &instruction, operands, instruction.operand_count_visible, buffer, sizeof(buffer), reinterpret_cast<u64>(ptr) + offset, ZYAN_NULL);
+        puts(buffer);
+
+        offset += instruction.length;
+    }
+}
+
+std::vector<std::string> DisassembleX64(const void* ptr, size_t size) {
+    std::vector<std::string> result;
+    ZydisDecoder decoder;
+    ZydisDecoderInit(&decoder, ZYDIS_MACHINE_MODE_LONG_64, ZYDIS_STACK_WIDTH_64);
+
+    ZydisFormatter formatter;
+    ZydisFormatterInit(&formatter, ZYDIS_FORMATTER_STYLE_INTEL);
+
+    size_t offset = 0;
+    ZydisDecodedInstruction instruction;
+    ZydisDecodedOperand operands[ZYDIS_MAX_OPERAND_COUNT];
+    while (ZYAN_SUCCESS(ZydisDecoderDecodeFull(&decoder, static_cast<const char*>(ptr) + offset, size - offset, &instruction, operands))) {
+        char buffer[256];
+        ZydisFormatterFormatInstruction(&formatter, &instruction, operands, instruction.operand_count_visible, buffer, sizeof(buffer), reinterpret_cast<u64>(ptr) + offset, ZYAN_NULL);
+
+        result.push_back(fmt::format("{:016x}  {}", (u64)ptr + offset, buffer));
+
+        offset += instruction.length;
+    }
+
+    return result;
+}
+}  // namespace Dynarmic::Common