Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 109 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/tools/debugserver/source/MacOSX/MachTask.h b/gnu/llvm/lldb/tools/debugserver/source/MacOSX/MachTask.h
new file mode 100644
index 00000000000..c975e15a555
--- /dev/null
+++ b/gnu/llvm/lldb/tools/debugserver/source/MacOSX/MachTask.h
@@ -0,0 +1,109 @@
+//===-- MachTask.h ----------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//  MachTask.h
+//  debugserver
+//
+//  Created by Greg Clayton on 12/5/08.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __MachTask_h__
+#define __MachTask_h__
+
+#include <mach/mach.h>
+#include <sys/socket.h>
+#include <map>
+#include <string>
+#include "DNBDefs.h"
+#include "MachException.h"
+#include "MachVMMemory.h"
+#include "PThreadMutex.h"
+
+class MachProcess;
+
+typedef uint64_t MachMallocEventId;
+
+enum MachMallocEventType {
+  eMachMallocEventTypeAlloc = 2,
+  eMachMallocEventTypeDealloc = 4,
+  eMachMallocEventTypeOther = 1
+};
+
+struct MachMallocEvent {
+  mach_vm_address_t m_base_address;
+  uint64_t m_size;
+  MachMallocEventType m_event_type;
+  MachMallocEventId m_event_id;
+};
+
+class MachTask {
+public:
+  // Constructors and Destructors
+  MachTask(MachProcess *process);
+  virtual ~MachTask();
+
+  void Clear();
+
+  kern_return_t Suspend();
+  kern_return_t Resume();
+
+  nub_size_t ReadMemory(nub_addr_t addr, nub_size_t size, void *buf);
+  nub_size_t WriteMemory(nub_addr_t addr, nub_size_t size, const void *buf);
+  int GetMemoryRegionInfo(nub_addr_t addr, DNBRegionInfo *region_info);
+  std::string GetProfileData(DNBProfileDataScanType scanType);
+
+  nub_addr_t AllocateMemory(nub_size_t size, uint32_t permissions);
+  nub_bool_t DeallocateMemory(nub_addr_t addr);
+
+  mach_port_t ExceptionPort() const;
+  bool ExceptionPortIsValid() const;
+  kern_return_t SaveExceptionPortInfo();
+  kern_return_t RestoreExceptionPortInfo();
+  kern_return_t ShutDownExcecptionThread();
+
+  bool StartExceptionThread(DNBError &err);
+  nub_addr_t GetDYLDAllImageInfosAddress(DNBError &err);
+  kern_return_t BasicInfo(struct task_basic_info *info);
+  static kern_return_t BasicInfo(task_t task, struct task_basic_info *info);
+  bool IsValid() const;
+  static bool IsValid(task_t task);
+  static void *ExceptionThread(void *arg);
+  void TaskPortChanged(task_t task);
+  task_t TaskPort() const { return m_task; }
+  task_t TaskPortForProcessID(DNBError &err, bool force = false);
+  static task_t TaskPortForProcessID(pid_t pid, DNBError &err,
+                                     uint32_t num_retries = 10,
+                                     uint32_t usec_interval = 10000);
+
+  MachProcess *Process() { return m_process; }
+  const MachProcess *Process() const { return m_process; }
+
+  nub_size_t PageSize();
+
+protected:
+  MachProcess *m_process; // The mach process that owns this MachTask
+  task_t m_task;
+  MachVMMemory m_vm_memory; // Special mach memory reading class that will take
+                            // care of watching for page and region boundaries
+  MachException::PortInfo
+      m_exc_port_info;          // Saved settings for all exception ports
+  pthread_t m_exception_thread; // Thread ID for the exception thread in case we
+                                // need it
+  mach_port_t m_exception_port; // Exception port on which we will receive child
+                                // exceptions
+
+  typedef std::map<mach_vm_address_t, size_t> allocation_collection;
+  allocation_collection m_allocations;
+
+private:
+  MachTask(const MachTask &) = delete;
+  MachTask &operator=(const MachTask &rhs) = delete;
+};
+
+#endif // __MachTask_h__