ADD: Add LibDebugger as a separate dylib, fix depreciation warning for

ptrace.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

2 files changed, 90 insertions, 14 deletions

diff --git a/dev/LibDebugger/IDebugger.h b/dev/LibDebugger/IDebuggerEngine.h
index 957cea9..aefe117 100644
--- a/dev/LibDebugger/IDebugger.h
+++ b/dev/LibDebugger/IDebuggerEngine.h
@@ -13,7 +13,7 @@
 #include <stdint.h>
 
 #ifdef __APPLE__
-#define PTRACE_ATTACH	PT_ATTACH
+#define PTRACE_ATTACH	PT_ATTACHEXC
 #define PTRACE_DETACH	PT_DETACH
 #define PTRACE_POKETEXT PT_WRITE_I
 #define PTRACE_CONT		PT_CONTINUE
@@ -22,38 +22,43 @@
 
 namespace LibDebugger
 {
-	typedef char* VmAddress;
+#ifdef __APPLE__
+	typedef caddr_t CAddr;
+#else
+	typedef char* CAddr;
+#endif
 
-	/// \brief Debugger interface class in C++
+	/// \brief Debugger engine interface class in C++
 	/// \author Amlal El Mahrouss
-	class IDebugger final
+	class IDebuggerEngine final
 	{
 	public:
-		IDebugger()	 = default;
-		~IDebugger() = default;
+		explicit IDebuggerEngine()	 = default;
+		~IDebuggerEngine() = default;
 
-		IDebugger& operator=(const IDebugger&) = default;
-		IDebugger(const IDebugger&)			   = default;
+	public:
+		IDebuggerEngine& operator=(const IDebuggerEngine&) = default;
+		IDebuggerEngine(const IDebuggerEngine&)			   = default;
 
 	public:
 		void Attach(pid_t pid)
 		{
-			this->m_pid = pid;
-
-			if (ptrace(PTRACE_ATTACH, this->m_pid, nullptr, 0) == -1)
+			if (ptrace(PTRACE_ATTACH, pid, nullptr, 0) == -1)
 			{
 				perror("dbg: Attach");
 				return;
 			}
 
+			this->m_pid = pid;
+
 			waitpid(m_pid, nullptr, 0);
 
 			std::cout << "[+] Attached to process: " << m_pid << std::endl;
 		}
 
-		void SetBreakpoint(VmAddress addr)
+		void SetBreakpoint(CAddr addr)
 		{
-			long original_data = ptrace(PTRACE_PEEKTEXT, m_pid, addr, 0);
+			auto original_data = ptrace(PTRACE_PEEKTEXT, m_pid, addr, 0);
 
 			if (original_data == -1)
 			{
@@ -61,7 +66,8 @@ namespace LibDebugger
 				return;
 			}
 
-			long data_with_int3 = (original_data & ~0xFF) | 0xCC; // Insert INT3 (0xCC)
+			auto data_with_int3 = (original_data & ~0xFF) | 0xCC; // Insert INT3 (0xCC)
+
 			if (ptrace(PTRACE_POKETEXT, m_pid, addr, data_with_int3) == -1)
 			{
 				perror("dbg: Poke");
diff --git a/dev/LibDebugger/src/DebuggerEnginePOSIX.cc b/dev/LibDebugger/src/DebuggerEnginePOSIX.cc
new file mode 100644
index 0000000..e8a394e
--- /dev/null
+++ b/dev/LibDebugger/src/DebuggerEnginePOSIX.cc
@@ -0,0 +1,70 @@
+/***
+	(C) 2025 Amlal El Mahrouss
+ */
+
+#include <LibCompiler/Defines.h>
+#include <LibDebugger/IDebuggerEngine.h>
+
+#ifndef _WIN32
+
+LIBCOMPILER_MODULE(DebuggerPOSIX)
+{
+	LibDebugger::IDebuggerEngine debugger;
+	pid_t				   pid = 0L;
+
+	if (argc >= 3 && std::string(argv[1]) == "-p" &&
+		argv[2] != nullptr)
+	{
+		pid = std::stoi(argv[2]);
+		debugger.Attach(pid);
+	}
+
+	while (YES)
+	{
+		std::string cmd;
+		std::getline(std::cin, cmd);
+
+		if (cmd == "c" ||
+			cmd == "cont")
+			debugger.ContinueExecution();
+
+		if (cmd == "d" ||
+			cmd == "detach")
+			debugger.Detach();
+
+		if (cmd == "attach")
+		{
+			std::cout << "[?] Enter a PID to attach on: ";
+
+			std::getline(std::cin, cmd);
+			pid = std::stoi(cmd.c_str());
+
+			debugger.Attach(pid);
+		}
+
+		if (cmd == "exit")
+		{
+			if (pid > 0)
+				debugger.Detach();
+
+			break;
+		}
+
+		if (cmd == "break" ||
+			cmd == "b")
+		{
+			std::cout << "[?] Enter an address to add a breakpoint on: ";
+
+			std::getline(std::cin, cmd);
+
+			LibDebugger::CAddr breakpoint_addr = reinterpret_cast<LibDebugger::CAddr>(std::stoul(cmd.c_str(), nullptr, 16));
+
+			if (breakpoint_addr)
+				debugger.SetBreakpoint(breakpoint_addr);
+		}
+	}
+
+	return 0;
+}
+
+#endif
\ No newline at end of file