FEXCore: Move to Externals/FEXCore

External/FEXCore/Examples/SimplePrint.cpp

@@ -0,0 +1,113 @@
+#include "LogManager.h"
+#include "SimpleCodeLoader.h"
+
+#include <FEXCore/Config/Config.h>
+#include <FEXCore/Core/Context.h>
+#include <FEXCore/Memory/SharedMem.h>
+#include <cstdio>
+
+void MsgHandler(LogMan::DebugLevels Level, char const *Message) {
+  const char *CharLevel{nullptr};
+
+  switch (Level) {
+  case LogMan::NONE:
+    CharLevel = "NONE";
+    break;
+  case LogMan::ASSERT:
+    CharLevel = "ASSERT";
+    break;
+  case LogMan::ERROR:
+    CharLevel = "ERROR";
+    break;
+  case LogMan::DEBUG:
+    CharLevel = "DEBUG";
+    break;
+  case LogMan::INFO:
+    CharLevel = "Info";
+    break;
+  case LogMan::STDERR:
+    CharLevel = "STDERR";
+    break;
+  case LogMan::STDOUT:
+    CharLevel = "STDOUT";
+    break;
+  default:
+    CharLevel = "???";
+    break;
+  }
+  printf("[%s] %s\n", CharLevel, Message);
+}
+
+void AssertHandler(char const *Message) {
+  printf("[ASSERT] %s\n", Message);
+}
+
+int main([[maybe_unused]] int argc, [[maybe_unused]] char **argv) {
+  LogMan::Throw::InstallHandler(AssertHandler);
+  LogMan::Msg::InstallHandler(MsgHandler);
+
+  // Set up a syscall to do a syscall WRITE to stdout
+  // Syscall handler catches writes to stdout/stderr and pumps it through LogManager
+  static constexpr uint8_t RawCode[] = {
+    0X48,
+    0XC7,
+    0XC0,
+    0X01,
+    0X00,
+    0X00,
+    0X00, // MOV RAX, 0x1
+
+    0X48,
+    0XC7,
+    0XC7,
+    0X01,
+    0X00,
+    0X00,
+    0X00, // MOV RDI, 0x1
+
+    0X48,
+    0XC7,
+    0XC6,
+    0X1F,
+    0X00,
+    0X00,
+    0X00, // MOV RSI, 0x1F
+
+    0X48,
+    0XC7,
+    0XC2,
+    0X01,
+    0X00,
+    0X00,
+    0X00, // MOV RDX, 1
+
+    0X0F,
+    0X05, // SYSCALL
+
+    0XF4, // HLT
+
+    0X54,
+    0X65,
+    0X73,
+    0X74,
+    0X65,
+    0X72,
+    0X00, // 'Tester\0'
+  };
+
+  TestCode Test(RawCode, sizeof(RawCode));
+  FEXCore::Context::InitializeStaticTables();
+  auto SHM = FEXCore::SHM::AllocateSHMRegion(1ULL << 36);
+  auto CTX = FEXCore::Context::CreateNewContext();
+
+//  FEXCore::Config::SetConfig(CTX, FEXCore::Config::CONFIG_MAXBLOCKINST, 1);
+  FEXCore::Context::AddGuestMemoryRegion(CTX, SHM);
+  FEXCore::Context::InitCore(CTX, &Test);
+
+  auto ShutdownReason = FEXCore::Context::RunUntilExit(CTX);
+  LogMan::Msg::D("Reason we left VM: %d", ShutdownReason);
+
+  FEXCore::Context::DestroyContext(CTX);
+  FEXCore::SHM::DestroyRegion(SHM);
+  return 0;
+}