summaryrefslogtreecommitdiffhomepage
path: root/dev/LibDebugger/POSIXMachContract.h
diff options
context:
space:
mode:
authorAmlal El Mahrouss <amlal@nekernel.org>2025-07-30 08:50:15 +0100
committerAmlal El Mahrouss <amlal@nekernel.org>2025-07-30 08:50:15 +0100
commit1c8c5cff67b20d86c442b0917d6c1fc6407140df (patch)
tree53ebea660bef14cdc2ff5b7ebefb4049f705f997 /dev/LibDebugger/POSIXMachContract.h
parent073811d89c98d6e1c078a032ca2eedefebf80384 (diff)
feat! Breaking API changes of NeCTI's LibCompiler and LibDebugger.
what: - They've now become CompilerKit and DebuggerKit. - Expanding XCoff for NeBoot PowerPC backend. Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
Diffstat (limited to 'dev/LibDebugger/POSIXMachContract.h')
-rw-r--r--dev/LibDebugger/POSIXMachContract.h158
1 files changed, 0 insertions, 158 deletions
diff --git a/dev/LibDebugger/POSIXMachContract.h b/dev/LibDebugger/POSIXMachContract.h
deleted file mode 100644
index 98085a2..0000000
--- a/dev/LibDebugger/POSIXMachContract.h
+++ /dev/null
@@ -1,158 +0,0 @@
-/***
- (C) 2025 Amlal El Mahrouss
- */
-
-#pragma once
-
-#ifdef LD_MACH_DEBUGGER
-
-/// @file POSIXMachContract.h
-/// @brief POSIX Mach debugger.
-
-#include <LibCompiler/Defines.h>
-#include <LibDebugger/DebuggerContract.h>
-
-#include <stdint.h>
-#include <sys/ptrace.h>
-#include <sys/types.h>
-#include <sys/user.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#include <filesystem>
-#include <iostream>
-
-#include <dlfcn.h>
-#include <mach-o/dyld.h>
-#include <mach/mach.h>
-#include <mach/mach_error.h>
-#include <signal.h>
-
-LC_IMPORT_C kern_return_t mach_vm_write(vm_map_t target_task, mach_vm_address_t address,
- vm_offset_t data, mach_msg_type_number_t dataCnt);
-
-LC_IMPORT_C kern_return_t mach_vm_protect(vm_map_t target_task, mach_vm_address_t address,
- mach_vm_size_t size, boolean_t set_maximum,
- vm_prot_t new_protection);
-
-#define PTRACE_ATTACH PT_ATTACHEXC
-#define PTRACE_DETACH PT_DETACH
-#define PTRACE_POKETEXT PT_WRITE_I
-#define PTRACE_CONT PT_CONTINUE
-#define PTRACE_PEEKTEXT PT_READ_I
-
-namespace LibDebugger::POSIX {
-/// \brief POSIXMachContract engine interface class in C++
-/// \author Amlal El Mahrouss
-class POSIXMachContract : public DebuggerContract {
- public:
- explicit POSIXMachContract() = default;
- ~POSIXMachContract() override = default;
-
- public:
- POSIXMachContract& operator=(const POSIXMachContract&) = default;
- POSIXMachContract(const POSIXMachContract&) = default;
-
- public:
- BOOL Attach(std::string path, std::string argv, ProcessID& pid) noexcept override {
- pid = fork();
-
- if (pid == 0) {
- if (argv.empty()) {
- ptrace(PT_TRACE_ME, 0, nullptr, 0);
- kill(getpid(), SIGSTOP);
- }
-
- std::vector<char*> argv_arr;
-
- argv_arr.push_back(const_cast<char*>(path.c_str()));
- argv_arr.push_back(const_cast<char*>(argv.c_str()));
- argv_arr.push_back(nullptr);
-
- execv(path.c_str(), argv_arr.data());
-
- _exit(1);
- }
-
- m_path = path;
- m_pid = pid;
-
- pid = this->m_pid;
-
- return true;
- }
-
- void SetPath(std::string path) noexcept {
- if (path.empty()) {
- return;
- }
-
- m_path = path;
- }
-
- BOOL BreakAt(std::string symbol) noexcept override {
- if (!m_path.empty() && std::filesystem::exists(m_path) &&
- std::filesystem::is_regular_file(m_path)) {
- auto handle = dlopen(m_path.c_str(), RTLD_LAZY);
-
- if (handle == nullptr) {
- return false;
- }
-
- auto addr = dlsym(handle, symbol.c_str());
-
- if (addr == nullptr) {
- return false;
- }
-
- task_read_t task;
- task_for_pid(mach_task_self(), m_pid, &task);
-
- uint32_t brk_inst = 0xD43E0000;
-
- mach_vm_protect(task, (mach_vm_address_t) addr, sizeof(uint32_t), false,
- VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE);
- mach_vm_write(task, (mach_vm_address_t) addr, (vm_offset_t) &brk_inst, sizeof(addr));
-
- return true;
- }
-
- return false;
- }
-
- BOOL Break() noexcept override {
- task_read_t task;
- task_for_pid(mach_task_self(), m_pid, &task);
-
- kern_return_t ret = task_suspend(task);
-
- return ret == KERN_SUCCESS;
- }
-
- BOOL Continue() noexcept override {
- task_read_t task;
- task_for_pid(mach_task_self(), m_pid, &task);
-
- kern_return_t ret = task_resume(task);
-
- return ret == KERN_SUCCESS;
- }
-
- BOOL Detach() noexcept override {
- this->Continue();
-
- task_read_t task;
- task_for_pid(mach_task_self(), m_pid, &task);
-
- kern_return_t kr = mach_port_deallocate(mach_task_self(), task);
-
- return kr = KERN_SUCCESS;
- }
-
- private:
- ProcessID m_pid{0};
- std::string m_path;
-};
-} // namespace LibDebugger::POSIX
-
-#endif