Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/lldb/tools/debugserver/source/MacOSX/CFBundle.cpp

@@ -0,0 +1,80 @@
+//===-- CFBundle.cpp --------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Created by Greg Clayton on 1/16/08.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CFBundle.h"
+#include "CFString.h"
+
+//----------------------------------------------------------------------
+// CFBundle constructor
+//----------------------------------------------------------------------
+CFBundle::CFBundle(const char *path)
+    : CFReleaser<CFBundleRef>(), m_bundle_url() {
+  if (path && path[0])
+    SetPath(path);
+}
+
+//----------------------------------------------------------------------
+// CFBundle copy constructor
+//----------------------------------------------------------------------
+CFBundle::CFBundle(const CFBundle &rhs)
+    : CFReleaser<CFBundleRef>(rhs), m_bundle_url(rhs.m_bundle_url) {}
+
+//----------------------------------------------------------------------
+// CFBundle copy constructor
+//----------------------------------------------------------------------
+CFBundle &CFBundle::operator=(const CFBundle &rhs) {
+  if (this != &rhs)
+    *this = rhs;
+  return *this;
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+CFBundle::~CFBundle() {}
+
+//----------------------------------------------------------------------
+// Set the path for a bundle by supplying a
+//----------------------------------------------------------------------
+bool CFBundle::SetPath(const char *path) {
+  CFAllocatorRef alloc = kCFAllocatorDefault;
+  // Release our old bundle and ULR
+  reset(); // This class is a CFReleaser<CFBundleRef>
+  m_bundle_url.reset();
+  // Make a CFStringRef from the supplied path
+  CFString cf_path;
+  cf_path.SetFileSystemRepresentation(path);
+  if (cf_path.get()) {
+    // Make our Bundle URL
+    m_bundle_url.reset(::CFURLCreateWithFileSystemPath(
+        alloc, cf_path.get(), kCFURLPOSIXPathStyle, true));
+    if (m_bundle_url.get()) {
+      reset(::CFBundleCreate(alloc, m_bundle_url.get()));
+    }
+  }
+  return get() != NULL;
+}
+
+CFStringRef CFBundle::GetIdentifier() const {
+  CFBundleRef bundle = get();
+  if (bundle != NULL)
+    return ::CFBundleGetIdentifier(bundle);
+  return NULL;
+}
+
+CFURLRef CFBundle::CopyExecutableURL() const {
+  CFBundleRef bundle = get();
+  if (bundle != NULL)
+    return CFBundleCopyExecutableURL(bundle);
+  return NULL;
+}

external/llvm-project/lldb/tools/debugserver/source/MacOSX/CFBundle.h

@@ -0,0 +1,38 @@
+//===-- CFBundle.h ----------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Created by Greg Clayton on 1/16/08.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __CFBundle_h__
+#define __CFBundle_h__
+
+#include "CFUtils.h"
+
+class CFBundle : public CFReleaser<CFBundleRef> {
+public:
+  //------------------------------------------------------------------
+  // Constructors and Destructors
+  //------------------------------------------------------------------
+  CFBundle(const char *path = NULL);
+  CFBundle(const CFBundle &rhs);
+  CFBundle &operator=(const CFBundle &rhs);
+  virtual ~CFBundle();
+  bool SetPath(const char *path);
+
+  CFStringRef GetIdentifier() const;
+
+  CFURLRef CopyExecutableURL() const;
+
+protected:
+  CFReleaser<CFURLRef> m_bundle_url;
+};
+
+#endif // #ifndef __CFBundle_h__

external/llvm-project/lldb/tools/debugserver/source/MacOSX/CFString.cpp

@@ -0,0 +1,163 @@
+//===-- CFString.cpp --------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Created by Greg Clayton on 1/16/08.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CFString.h"
+#include <glob.h>
+#include <string>
+
+//----------------------------------------------------------------------
+// CFString constructor
+//----------------------------------------------------------------------
+CFString::CFString(CFStringRef s) : CFReleaser<CFStringRef>(s) {}
+
+//----------------------------------------------------------------------
+// CFString copy constructor
+//----------------------------------------------------------------------
+CFString::CFString(const CFString &rhs) : CFReleaser<CFStringRef>(rhs) {}
+
+//----------------------------------------------------------------------
+// CFString copy constructor
+//----------------------------------------------------------------------
+CFString &CFString::operator=(const CFString &rhs) {
+  if (this != &rhs)
+    *this = rhs;
+  return *this;
+}
+
+CFString::CFString(const char *cstr, CFStringEncoding cstr_encoding)
+    : CFReleaser<CFStringRef>() {
+  if (cstr && cstr[0]) {
+    reset(
+        ::CFStringCreateWithCString(kCFAllocatorDefault, cstr, cstr_encoding));
+  }
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+CFString::~CFString() {}
+
+const char *CFString::GetFileSystemRepresentation(std::string &s) {
+  return CFString::FileSystemRepresentation(get(), s);
+}
+
+CFStringRef CFString::SetFileSystemRepresentation(const char *path) {
+  CFStringRef new_value = NULL;
+  if (path && path[0])
+    new_value =
+        ::CFStringCreateWithFileSystemRepresentation(kCFAllocatorDefault, path);
+  reset(new_value);
+  return get();
+}
+
+CFStringRef CFString::SetFileSystemRepresentationFromCFType(CFTypeRef cf_type) {
+  CFStringRef new_value = NULL;
+  if (cf_type != NULL) {
+    CFTypeID cf_type_id = ::CFGetTypeID(cf_type);
+
+    if (cf_type_id == ::CFStringGetTypeID()) {
+      // Retain since we are using the existing object
+      new_value = (CFStringRef)::CFRetain(cf_type);
+    } else if (cf_type_id == ::CFURLGetTypeID()) {
+      new_value =
+          ::CFURLCopyFileSystemPath((CFURLRef)cf_type, kCFURLPOSIXPathStyle);
+    }
+  }
+  reset(new_value);
+  return get();
+}
+
+CFStringRef
+CFString::SetFileSystemRepresentationAndExpandTilde(const char *path) {
+  std::string expanded_path;
+  if (CFString::GlobPath(path, expanded_path))
+    SetFileSystemRepresentation(expanded_path.c_str());
+  else
+    reset();
+  return get();
+}
+
+const char *CFString::UTF8(std::string &str) {
+  return CFString::UTF8(get(), str);
+}
+
+// Static function that puts a copy of the UTF8 contents of CF_STR into STR
+// and returns the C string pointer that is contained in STR when successful,
+// else
+// NULL is returned. This allows the std::string parameter to own the extracted
+// string,
+// and also allows that string to be returned as a C string pointer that can be
+// used.
+
+const char *CFString::UTF8(CFStringRef cf_str, std::string &str) {
+  if (cf_str) {
+    const CFStringEncoding encoding = kCFStringEncodingUTF8;
+    CFIndex max_utf8_str_len = CFStringGetLength(cf_str);
+    max_utf8_str_len =
+        CFStringGetMaximumSizeForEncoding(max_utf8_str_len, encoding);
+    if (max_utf8_str_len > 0) {
+      str.resize(max_utf8_str_len);
+      if (!str.empty()) {
+        if (CFStringGetCString(cf_str, &str[0], str.size(), encoding)) {
+          str.resize(strlen(str.c_str()));
+          return str.c_str();
+        }
+      }
+    }
+  }
+  return NULL;
+}
+
+// Static function that puts a copy of the file system representation of CF_STR
+// into STR and returns the C string pointer that is contained in STR when
+// successful, else NULL is returned. This allows the std::string parameter
+// to own the extracted string, and also allows that string to be returned as
+// a C string pointer that can be used.
+
+const char *CFString::FileSystemRepresentation(CFStringRef cf_str,
+                                               std::string &str) {
+  if (cf_str) {
+    CFIndex max_length =
+        ::CFStringGetMaximumSizeOfFileSystemRepresentation(cf_str);
+    if (max_length > 0) {
+      str.resize(max_length);
+      if (!str.empty()) {
+        if (::CFStringGetFileSystemRepresentation(cf_str, &str[0],
+                                                  str.size())) {
+          str.erase(::strlen(str.c_str()));
+          return str.c_str();
+        }
+      }
+    }
+  }
+  str.erase();
+  return NULL;
+}
+
+CFIndex CFString::GetLength() const {
+  CFStringRef str = get();
+  if (str)
+    return CFStringGetLength(str);
+  return 0;
+}
+
+const char *CFString::GlobPath(const char *path, std::string &expanded_path) {
+  glob_t globbuf;
+  if (::glob(path, GLOB_TILDE, NULL, &globbuf) == 0) {
+    expanded_path = globbuf.gl_pathv[0];
+    ::globfree(&globbuf);
+  } else
+    expanded_path.clear();
+
+  return expanded_path.c_str();
+}

external/llvm-project/lldb/tools/debugserver/source/MacOSX/CFString.h

@@ -0,0 +1,43 @@
+//===-- CFString.h ----------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Created by Greg Clayton on 1/16/08.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __CFString_h__
+#define __CFString_h__
+
+#include "CFUtils.h"
+#include <iosfwd>
+
+class CFString : public CFReleaser<CFStringRef> {
+public:
+  //------------------------------------------------------------------
+  // Constructors and Destructors
+  //------------------------------------------------------------------
+  CFString(CFStringRef cf_str = NULL);
+  CFString(const char *s, CFStringEncoding encoding = kCFStringEncodingUTF8);
+  CFString(const CFString &rhs);
+  CFString &operator=(const CFString &rhs);
+  virtual ~CFString();
+
+  const char *GetFileSystemRepresentation(std::string &str);
+  CFStringRef SetFileSystemRepresentation(const char *path);
+  CFStringRef SetFileSystemRepresentationFromCFType(CFTypeRef cf_type);
+  CFStringRef SetFileSystemRepresentationAndExpandTilde(const char *path);
+  const char *UTF8(std::string &str);
+  CFIndex GetLength() const;
+  static const char *UTF8(CFStringRef cf_str, std::string &str);
+  static const char *FileSystemRepresentation(CFStringRef cf_str,
+                                              std::string &str);
+  static const char *GlobPath(const char *path, std::string &expanded_path);
+};
+
+#endif // #ifndef __CFString_h__

external/llvm-project/lldb/tools/debugserver/source/MacOSX/CFUtils.h

@@ -0,0 +1,78 @@
+//===-- CFUtils.h -----------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Created by Greg Clayton on 3/5/07.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __CFUtils_h__
+#define __CFUtils_h__
+
+#include <CoreFoundation/CoreFoundation.h>
+
+#ifdef __cplusplus
+
+//----------------------------------------------------------------------
+// Templatized CF helper class that can own any CF pointer and will
+// call CFRelease() on any valid pointer it owns unless that pointer is
+// explicitly released using the release() member function.
+//----------------------------------------------------------------------
+template <class T> class CFReleaser {
+public:
+  // Type names for the avlue
+  typedef T element_type;
+
+  // Constructors and destructors
+  CFReleaser(T ptr = NULL) : _ptr(ptr) {}
+  CFReleaser(const CFReleaser &copy) : _ptr(copy.get()) {
+    if (get())
+      ::CFRetain(get());
+  }
+  virtual ~CFReleaser() { reset(); }
+
+  // Assignments
+  CFReleaser &operator=(const CFReleaser<T> &copy) {
+    if (copy != *this) {
+      // Replace our owned pointer with the new one
+      reset(copy.get());
+      // Retain the current pointer that we own
+      if (get())
+        ::CFRetain(get());
+    }
+  }
+  // Get the address of the contained type
+  T *ptr_address() { return &_ptr; }
+
+  // Access the pointer itself
+  const T get() const { return _ptr; }
+  T get() { return _ptr; }
+
+  // Set a new value for the pointer and CFRelease our old
+  // value if we had a valid one.
+  void reset(T ptr = NULL) {
+    if (ptr != _ptr) {
+      if (_ptr != NULL)
+        ::CFRelease(_ptr);
+      _ptr = ptr;
+    }
+  }
+
+  // Release ownership without calling CFRelease
+  T release() {
+    T tmp = _ptr;
+    _ptr = NULL;
+    return tmp;
+  }
+
+private:
+  element_type _ptr;
+};
+
+#endif // #ifdef __cplusplus
+#endif // #ifndef __CFUtils_h__

external/llvm-project/lldb/tools/debugserver/source/MacOSX/CMakeLists.txt

@@ -0,0 +1,23 @@
+if("${CMAKE_OSX_ARCHITECTURES}" MATCHES ".*arm.*")
+  list(APPEND SOURCES arm/DNBArchImpl.cpp arm64/DNBArchImplARM64.cpp)
+  include_directories(${CURRENT_SOURCE_DIR}/arm ${CURRENT_SOURCE_DIR}/arm64)
+endif()
+
+if(NOT CMAKE_OSX_ARCHITECTURES OR "${CMAKE_OSX_ARCHITECTURES}" MATCHES ".*86.*")
+  list(APPEND SOURCES i386/DNBArchImplI386.cpp x86_64/DNBArchImplX86_64.cpp)
+  include_directories(${CURRENT_SOURCE_DIR}/i386 ${CURRENT_SOURCE_DIR}/x86_64)
+endif()
+
+if("${CMAKE_OSX_ARCHITECTURES}" MATCHES ".*ppc.*")
+  list(APPEND SOURCES ppc/DNBArchImpl.cpp)
+  include_directories(${CURRENT_SOURCE_DIR}/ppc)
+endif()
+
+add_subdirectory(DarwinLog)
+
+include_directories(..)
+
+include_directories(${LLDB_SOURCE_DIR}/tools/debugserver/source)
+add_library(lldbDebugserverArchSupport
+  ${SOURCES}
+  )

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/ActivityStore.cpp

@@ -0,0 +1,14 @@
+//===-- ActivityStore.cpp ---------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ActivityStore.h"
+
+ActivityStore::ActivityStore() {}
+
+ActivityStore::~ActivityStore() {}

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/ActivityStore.h

@@ -0,0 +1,30 @@
+//===-- ActivityStore.h -----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ActivityStore_h
+#define ActivityStore_h
+
+#include <string>
+
+#include "ActivityStreamSPI.h"
+
+class ActivityStore {
+public:
+  virtual ~ActivityStore();
+
+  virtual const char *GetActivityForID(os_activity_id_t activity_id) const = 0;
+
+  virtual std::string
+  GetActivityChainForID(os_activity_id_t activity_id) const = 0;
+
+protected:
+  ActivityStore();
+};
+
+#endif /* ActivityStore_h */

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/ActivityStreamSPI.h

@@ -0,0 +1,191 @@
+//===-- ActivityStreamAPI.h -------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ActivityStreamSPI_h
+#define ActivityStreamSPI_h
+
+#include <sys/time.h>
+#include <xpc/xpc.h>
+
+#define OS_ACTIVITY_MAX_CALLSTACK 32
+
+// Enums
+
+enum {
+  OS_ACTIVITY_STREAM_PROCESS_ONLY = 0x00000001,
+  OS_ACTIVITY_STREAM_SKIP_DECODE = 0x00000002,
+  OS_ACTIVITY_STREAM_PAYLOAD = 0x00000004,
+  OS_ACTIVITY_STREAM_HISTORICAL = 0x00000008,
+  OS_ACTIVITY_STREAM_CALLSTACK = 0x00000010,
+  OS_ACTIVITY_STREAM_DEBUG = 0x00000020,
+  OS_ACTIVITY_STREAM_BUFFERED = 0x00000040,
+  OS_ACTIVITY_STREAM_NO_SENSITIVE = 0x00000080,
+  OS_ACTIVITY_STREAM_INFO = 0x00000100,
+  OS_ACTIVITY_STREAM_PROMISCUOUS = 0x00000200,
+  OS_ACTIVITY_STREAM_PRECISE_TIMESTAMPS = 0x00000200
+};
+typedef uint32_t os_activity_stream_flag_t;
+
+enum {
+  OS_ACTIVITY_STREAM_TYPE_ACTIVITY_CREATE = 0x0201,
+  OS_ACTIVITY_STREAM_TYPE_ACTIVITY_TRANSITION = 0x0202,
+  OS_ACTIVITY_STREAM_TYPE_ACTIVITY_USERACTION = 0x0203,
+
+  OS_ACTIVITY_STREAM_TYPE_TRACE_MESSAGE = 0x0300,
+
+  OS_ACTIVITY_STREAM_TYPE_LOG_MESSAGE = 0x0400,
+  OS_ACTIVITY_STREAM_TYPE_LEGACY_LOG_MESSAGE = 0x0480,
+
+  OS_ACTIVITY_STREAM_TYPE_SIGNPOST_BEGIN = 0x0601,
+  OS_ACTIVITY_STREAM_TYPE_SIGNPOST_END = 0x0602,
+  OS_ACTIVITY_STREAM_TYPE_SIGNPOST_EVENT = 0x0603,
+
+  OS_ACTIVITY_STREAM_TYPE_STATEDUMP_EVENT = 0x0A00,
+};
+typedef uint32_t os_activity_stream_type_t;
+
+enum {
+  OS_ACTIVITY_STREAM_EVENT_STARTED = 1,
+  OS_ACTIVITY_STREAM_EVENT_STOPPED = 2,
+  OS_ACTIVITY_STREAM_EVENT_FAILED = 3,
+  OS_ACTIVITY_STREAM_EVENT_CHUNK_STARTED = 4,
+  OS_ACTIVITY_STREAM_EVENT_CHUNK_FINISHED = 5,
+};
+typedef uint32_t os_activity_stream_event_t;
+
+// Types
+
+typedef uint64_t os_activity_id_t;
+typedef struct os_activity_stream_s *os_activity_stream_t;
+typedef struct os_activity_stream_entry_s *os_activity_stream_entry_t;
+
+#define OS_ACTIVITY_STREAM_COMMON()                                            \
+  uint64_t trace_id;                                                           \
+  uint64_t timestamp;                                                          \
+  uint64_t thread;                                                             \
+  const uint8_t *image_uuid;                                                   \
+  const char *image_path;                                                      \
+  struct timeval tv_gmt;                                                       \
+  struct timezone tz;                                                          \
+  uint32_t offset
+
+typedef struct os_activity_stream_common_s {
+  OS_ACTIVITY_STREAM_COMMON();
+} * os_activity_stream_common_t;
+
+struct os_activity_create_s {
+  OS_ACTIVITY_STREAM_COMMON();
+  const char *name;
+  os_activity_id_t creator_aid;
+  uint64_t unique_pid;
+};
+
+struct os_activity_transition_s {
+  OS_ACTIVITY_STREAM_COMMON();
+  os_activity_id_t transition_id;
+};
+
+typedef struct os_log_message_s {
+  OS_ACTIVITY_STREAM_COMMON();
+  const char *format;
+  const uint8_t *buffer;
+  size_t buffer_sz;
+  const uint8_t *privdata;
+  size_t privdata_sz;
+  const char *subsystem;
+  const char *category;
+  uint32_t oversize_id;
+  uint8_t ttl;
+  bool persisted;
+} * os_log_message_t;
+
+typedef struct os_trace_message_v2_s {
+  OS_ACTIVITY_STREAM_COMMON();
+  const char *format;
+  const void *buffer;
+  size_t bufferLen;
+  xpc_object_t __unsafe_unretained payload;
+} * os_trace_message_v2_t;
+
+typedef struct os_activity_useraction_s {
+  OS_ACTIVITY_STREAM_COMMON();
+  const char *action;
+  bool persisted;
+} * os_activity_useraction_t;
+
+typedef struct os_signpost_s {
+  OS_ACTIVITY_STREAM_COMMON();
+  const char *format;
+  const uint8_t *buffer;
+  size_t buffer_sz;
+  const uint8_t *privdata;
+  size_t privdata_sz;
+  const char *subsystem;
+  const char *category;
+  uint64_t duration_nsec;
+  uint32_t callstack_depth;
+  uint64_t callstack[OS_ACTIVITY_MAX_CALLSTACK];
+} * os_signpost_t;
+
+typedef struct os_activity_statedump_s {
+  OS_ACTIVITY_STREAM_COMMON();
+  char *message;
+  size_t message_size;
+  char image_path_buffer[PATH_MAX];
+} * os_activity_statedump_t;
+
+struct os_activity_stream_entry_s {
+  os_activity_stream_type_t type;
+
+  // information about the process streaming the data
+  pid_t pid;
+  uint64_t proc_id;
+  const uint8_t *proc_imageuuid;
+  const char *proc_imagepath;
+
+  // the activity associated with this streamed event
+  os_activity_id_t activity_id;
+  os_activity_id_t parent_id;
+
+  union {
+    struct os_activity_stream_common_s common;
+    struct os_activity_create_s activity_create;
+    struct os_activity_transition_s activity_transition;
+    struct os_log_message_s log_message;
+    struct os_trace_message_v2_s trace_message;
+    struct os_activity_useraction_s useraction;
+    struct os_signpost_s signpost;
+    struct os_activity_statedump_s statedump;
+  };
+};
+
+// Blocks
+
+typedef bool (^os_activity_stream_block_t)(os_activity_stream_entry_t entry,
+                                           int error);
+
+typedef void (^os_activity_stream_event_block_t)(
+    os_activity_stream_t stream, os_activity_stream_event_t event);
+
+// SPI entry point prototypes
+
+typedef os_activity_stream_t (*os_activity_stream_for_pid_t)(
+    pid_t pid, os_activity_stream_flag_t flags,
+    os_activity_stream_block_t stream_block);
+
+typedef void (*os_activity_stream_resume_t)(os_activity_stream_t stream);
+
+typedef void (*os_activity_stream_cancel_t)(os_activity_stream_t stream);
+
+typedef char *(*os_log_copy_formatted_message_t)(os_log_message_t log_message);
+
+typedef void (*os_activity_stream_set_event_handler_t)(
+    os_activity_stream_t stream, os_activity_stream_event_block_t block);
+
+#endif /* ActivityStreamSPI_h */

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/CMakeLists.txt

@@ -0,0 +1,15 @@
+# Due to sources including headers like:
+# #include "MacOSX/i386/DNBArchImplI386.h"
+# we must include the grandparent directory...
+include_directories(${LLDB_SOURCE_DIR}/tools/debugserver/source)
+
+add_library(lldbDebugserverDarwin_DarwinLog
+  ActivityStore.cpp
+  DarwinLogCollector.cpp
+  LogFilter.cpp
+  LogFilterChain.cpp
+  LogFilterExactMatch.cpp
+  LogFilterRegex.cpp
+  LogMessage.cpp
+  LogMessageOsLog.cpp
+  )

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/DarwinLogCollector.h

@@ -0,0 +1,114 @@
+//===-- DarwinLogCollector.h ------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef DarwinLogCollector_h
+#define DarwinLogCollector_h
+
+#include <sys/types.h>
+
+#include <memory>
+#include <mutex>
+#include <unordered_map>
+
+#include "ActivityStore.h"
+#include "ActivityStreamSPI.h"
+#include "DNBDefs.h"
+#include "DarwinLogEvent.h"
+#include "DarwinLogInterfaces.h"
+#include "JSON.h"
+
+class DarwinLogCollector;
+typedef std::shared_ptr<DarwinLogCollector> DarwinLogCollectorSP;
+
+class DarwinLogCollector
+    : public std::enable_shared_from_this<DarwinLogCollector>,
+      public ActivityStore {
+public:
+  //------------------------------------------------------------------
+  /// Return whether the os_log and activity tracing SPI is available.
+  ///
+  /// @return \b true if the activity stream support is available,
+  /// \b false otherwise.
+  //------------------------------------------------------------------
+  static bool IsSupported();
+
+  //------------------------------------------------------------------
+  /// Return a log function suitable for DNBLog to use as the internal
+  /// logging function.
+  ///
+  /// @return a DNBLog-style logging function if IsSupported() returns
+  ///      true; otherwise, returns nullptr.
+  //------------------------------------------------------------------
+  static DNBCallbackLog GetLogFunction();
+
+  static bool StartCollectingForProcess(nub_process_t pid,
+                                        const JSONObject &config);
+
+  static bool CancelStreamForProcess(nub_process_t pid);
+
+  static DarwinLogEventVector GetEventsForProcess(nub_process_t pid);
+
+  ~DarwinLogCollector();
+
+  pid_t GetProcessID() const { return m_pid; }
+
+  //------------------------------------------------------------------
+  // ActivityStore API
+  //------------------------------------------------------------------
+  const char *GetActivityForID(os_activity_id_t activity_id) const override;
+
+  std::string
+  GetActivityChainForID(os_activity_id_t activity_id) const override;
+
+private:
+  DarwinLogCollector() = delete;
+  DarwinLogCollector(const DarwinLogCollector &) = delete;
+  DarwinLogCollector &operator=(const DarwinLogCollector &) = delete;
+
+  explicit DarwinLogCollector(nub_process_t pid,
+                              const LogFilterChainSP &filter_chain_sp);
+
+  void SignalDataAvailable();
+
+  void SetActivityStream(os_activity_stream_t activity_stream);
+
+  bool HandleStreamEntry(os_activity_stream_entry_t entry, int error);
+
+  DarwinLogEventVector RemoveEvents();
+
+  void CancelActivityStream();
+
+  void GetActivityChainForID_internal(os_activity_id_t activity_id,
+                                      std::string &result, size_t depth) const;
+
+  struct ActivityInfo {
+    ActivityInfo(const char *name, os_activity_id_t activity_id,
+                 os_activity_id_t parent_activity_id)
+        : m_name(name), m_id(activity_id), m_parent_id(parent_activity_id) {}
+
+    const std::string m_name;
+    const os_activity_id_t m_id;
+    const os_activity_id_t m_parent_id;
+  };
+
+  using ActivityMap = std::unordered_map<os_activity_id_t, ActivityInfo>;
+
+  const nub_process_t m_pid;
+  os_activity_stream_t m_activity_stream;
+  DarwinLogEventVector m_events;
+  std::mutex m_events_mutex;
+  LogFilterChainSP m_filter_chain_sp;
+
+  /// Mutex to protect activity info (activity name and parent structures)
+  mutable std::mutex m_activity_info_mutex;
+  /// Map of activity id to ActivityInfo
+  ActivityMap m_activity_map;
+};
+
+#endif /* LogStreamCollector_h */

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/DarwinLogEvent.h

@@ -0,0 +1,27 @@
+//===-- DarwinLogEvent.h ----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef DarwinLogEvent_h
+#define DarwinLogEvent_h
+
+#include <memory>
+#include <vector>
+
+#include "JSONGenerator.h"
+
+// =============================================================================
+/// Each discrete unit of information is described as an event, such as
+/// the emission of a single log message.
+// =============================================================================
+
+using DarwinLogEvent = JSONGenerator::Dictionary;
+using DarwinLogEventSP = std::shared_ptr<DarwinLogEvent>;
+using DarwinLogEventVector = std::vector<DarwinLogEventSP>;
+
+#endif

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/DarwinLogInterfaces.h

@@ -0,0 +1,25 @@
+//===-- DarwinLogInterfaces.h -----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef DarwinLogInterfaces_h
+#define DarwinLogInterfaces_h
+
+#include <memory>
+
+class ActivityStore;
+
+class LogFilter;
+using LogFilterSP = std::shared_ptr<LogFilter>;
+
+class LogFilterChain;
+using LogFilterChainSP = std::shared_ptr<LogFilterChain>;
+
+class LogMessage;
+
+#endif /* DarwinLogInterfaces_h */

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/DarwinLogTypes.h

@@ -0,0 +1,22 @@
+//===-- DarwinLogTypes.h ----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef DarwinLogTypes_h
+#define DarwinLogTypes_h
+
+enum FilterTarget {
+  eFilterTargetInvalid,
+  eFilterTargetActivity,
+  eFilterTargetActivityChain,
+  eFilterTargetCategory,
+  eFilterTargetMessage,
+  eFilterTargetSubsystem
+};
+
+#endif /* DarwinLogTypes_h */

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/LogFilter.cpp

@@ -0,0 +1,12 @@
+//===-- LogFilter.cpp -------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "LogFilter.h"
+
+LogFilter::~LogFilter() {}

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/LogFilter.h

@@ -0,0 +1,30 @@
+//===-- LogFilter.h ---------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LogFilter_h
+#define LogFilter_h
+
+#include "DarwinLogInterfaces.h"
+
+class LogFilter {
+public:
+  virtual ~LogFilter();
+
+  virtual bool DoesMatch(const LogMessage &message) const = 0;
+
+  bool MatchesAreAccepted() const { return m_matches_accept; }
+
+protected:
+  LogFilter(bool matches_accept) : m_matches_accept(matches_accept) {}
+
+private:
+  bool m_matches_accept;
+};
+
+#endif /* LogFilter_h */

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/LogFilterChain.cpp

@@ -0,0 +1,42 @@
+//===-- LogFilterChain.cpp --------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "LogFilterChain.h"
+
+#include "LogFilter.h"
+
+LogFilterChain::LogFilterChain(bool default_accept)
+    : m_filters(), m_default_accept(default_accept) {}
+
+void LogFilterChain::AppendFilter(const LogFilterSP &filter_sp) {
+  if (filter_sp)
+    m_filters.push_back(filter_sp);
+}
+
+void LogFilterChain::ClearFilterChain() { m_filters.clear(); }
+
+bool LogFilterChain::GetDefaultAccepts() const { return m_default_accept; }
+
+void LogFilterChain::SetDefaultAccepts(bool default_accept) {
+  m_default_accept = default_accept;
+}
+
+bool LogFilterChain::GetAcceptMessage(const LogMessage &message) const {
+  for (auto filter_sp : m_filters) {
+    if (filter_sp->DoesMatch(message)) {
+      // This message matches this filter.  If the filter accepts matches,
+      // this message matches; otherwise, it rejects matches.
+      return filter_sp->MatchesAreAccepted();
+    }
+  }
+
+  // None of the filters matched.  Therefore, we do whatever the
+  // default fall-through rule says.
+  return m_default_accept;
+}

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/LogFilterChain.h

@@ -0,0 +1,38 @@
+//===-- LogFilterChain.h ----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LogFilterChain_h
+#define LogFilterChain_h
+
+#include <vector>
+
+#include "DarwinLogInterfaces.h"
+
+class LogFilterChain {
+public:
+  LogFilterChain(bool default_accept);
+
+  void AppendFilter(const LogFilterSP &filter_sp);
+
+  void ClearFilterChain();
+
+  bool GetDefaultAccepts() const;
+
+  void SetDefaultAccepts(bool default_accepts);
+
+  bool GetAcceptMessage(const LogMessage &message) const;
+
+private:
+  using FilterVector = std::vector<LogFilterSP>;
+
+  FilterVector m_filters;
+  bool m_default_accept;
+};
+
+#endif /* LogFilterChain_hpp */

external/llvm-project/lldb/tools/debugserver/source/MacOSX/DarwinLog/LogFilterExactMatch.cpp

@@ -0,0 +1,49 @@
+//===-- LogFilterExactMatch.cpp ---------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "LogFilterExactMatch.h"
+#include "LogMessage.h"
+
+LogFilterExactMatch::LogFilterExactMatch(bool match_accepts,
+                                         FilterTarget filter_target,
+                                         const std::string &match_text)
+    : LogFilter(match_accepts), m_filter_target(filter_target),
+      m_match_text(match_text) {}
+
+bool LogFilterExactMatch::DoesMatch(const LogMessage &message) const {
+  switch (m_filter_target) {
+  case eFilterTargetActivity:
+    // Empty fields never match a condition.
+    if (!message.HasActivity())
+      return false;
+    return m_match_text == message.GetActivity();
+  case eFilterTargetActivityChain:
+    // Empty fields never match a condition.
+    if (!message.HasActivity())
+      return false;
+    return m_match_text == message.GetActivityChain();
+  case eFilterTargetCategory:
+    // Empty fields never match a condition.
+    if (!message.HasCategory())
+      return false;
+    return m_match_text == message.GetCategory();
+  case eFilterTargetMessage: {
+    const char *message_text = message.GetMessage();
+    return (message_text != nullptr) && (m_match_text == message_text);
+  }
+  case eFilterTargetSubsystem:
+    // Empty fields never match a condition.
+    if (!message.HasSubsystem())
+      return false;
+    return m_match_text == message.GetSubsystem();
+  default:
+    // We don't know this type.
+    return false;
+  }
+}