First round of dead file removal

experimental/windows_debugger/debugger/base/debug_utils.cpp

Index: experimental/windows_debugger/debugger/base/debug_utils.cpp
diff --git a/experimental/windows_debugger/debugger/base/debug_utils.cpp b/experimental/windows_debugger/debugger/base/debug_utils.cpp
deleted file mode 100644
index 775a5bda2be5960b69b790d666b0fb32cc84fcb7..0000000000000000000000000000000000000000
--- a/experimental/windows_debugger/debugger/base/debug_utils.cpp
+++ /dev/null
@@ -1,139 +0,0 @@
-#include "debugger/base/debug_utils.h"
-
-namespace {
-HMODULE sm_LoadNTDLLFunctions();
-typedef NTSTATUS (NTAPI *pfnNtQueryInformationProcess)(
-    IN  HANDLE ProcessHandle,
-    IN  PROCESSINFOCLASS ProcessInformationClass,
-    OUT PVOID ProcessInformation,
-    IN  ULONG ProcessInformationLength,
-    OUT PULONG ReturnLength    OPTIONAL
-    );
-pfnNtQueryInformationProcess gNtQueryInformationProcess = 0;
-}
-
-namespace debug {
-bool Utils::GetProcessCmdLine(HANDLE ProcessHandle, std::string* cmd_line) {
-  if (!gNtQueryInformationProcess)
-    sm_LoadNTDLLFunctions();
-
-  if (gNtQueryInformationProcess) {
-    PROCESS_BASIC_INFORMATION pbi;
-    memset(&pbi, 0, sizeof(pbi));
-    ULONG ReturnLength = 0;
-    NTSTATUS st = (*gNtQueryInformationProcess)(ProcessHandle, ProcessBasicInformation, &pbi, sizeof(pbi), &ReturnLength);
-
-    PEB* peb_addr = (PEB*)pbi.PebBaseAddress;
-    PEB peb;
-    memset(&peb, 0, sizeof(peb));
-
-    SIZE_T sz = 0;
-    if (!::ReadProcessMemory(ProcessHandle, peb_addr, &peb, sizeof(peb), &sz))
-      return false;
-    
-#ifdef _WIN64
-    RTL_USER_PROCESS_PARAMETERS* proc_params_addr = peb.ProcessParameters;
-    RTL_USER_PROCESS_PARAMETERS proc_params;
-    memset(&proc_params, 0, sizeof(proc_params));
-    if (!::ReadProcessMemory(ProcessHandle, proc_params_addr, &proc_params, sizeof(proc_params), &sz))
-      return false;
-
-    *cmd_line = ReadUNICODE_STRING(ProcessHandle, proc_params.CommandLine);
-    return true;
-#endif
-  }
-  return false;
-}
-
-std::string Utils::ReadUNICODE_STRING(HANDLE ProcessHandle, const UNICODE_STRING& str) {
-  std::string result;
-  if (str.Length > 0) {
-    size_t len_in_bytes = 2 * (str.Length + 1);
-    wchar_t* w_str = (wchar_t*)malloc(len_in_bytes);
-    char* a_str = (char*)malloc(str.Length + 1);
-    if ((NULL != w_str) && (NULL != a_str)) {
-      SIZE_T sz = 0;
-      if (::ReadProcessMemory(ProcessHandle, str.Buffer, w_str, len_in_bytes, &sz)) {
-
-        ::WideCharToMultiByte(CP_ACP, 0, w_str, -1, a_str, str.Length, 0, 0);
-        a_str[str.Length] = 0;
-        result = a_str;
-      }
-      free(w_str);
-      free(a_str);
-    }
-  }
-  return result;
-}
-
-bool Utils::ReadUnucodeStr(HANDLE ProcessHandle, const void* addr_addr, std::string* str) {
-  void* addr = 0;
-  SIZE_T sz = 0;
-  ::ReadProcessMemory(ProcessHandle, addr_addr, &addr, sizeof(addr), &sz);
-  if (sz == 0)
-    return false;
-
-  char utmp[4096];
-  ::ReadProcessMemory(ProcessHandle, addr, &utmp, sizeof(utmp), &sz);
-  if (sz == 0)
-    return false;
-
-  char* a_str = (char*)malloc(sz + 1);
-  a_str[0] = 0;
-  ::WideCharToMultiByte(CP_ACP, 0, (LPCWSTR)utmp, -1, a_str, sz/2, 0, 0);
-  
-  *str = a_str;
-  delete a_str;
-  return true;
-}
-
-int Utils::GetProcessorWordSizeInBits(HANDLE h) {
-  BOOL is_wow = FALSE;
-  if (!::IsWow64Process(h, &is_wow))
-    return 0;
-  if (is_wow)
-    return 32;
-#ifdef _WIN64
-  return 64;
-#else
-  return 32;
-#endif
-  return 0;
-}
-
-bool Utils::GetProcessName(int pid, std::string* name) {
-  HANDLE h_snapshot = ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
-  if (INVALID_HANDLE_VALUE == h_snapshot)
-    return false;
-
-  PROCESSENTRY32 pe = { 0 };
-  pe.dwSize = sizeof(PROCESSENTRY32);
-
-  bool found = false;
-  if (::Process32First(h_snapshot, &pe)) {
-    do {
-      if (pe.th32ProcessID == pid) {
-        *name = pe.szExeFile;
-        found = true;
-      }
-    } while (::Process32Next(h_snapshot, &pe));
-  }
-  ::CloseHandle(h_snapshot);
-  return found;
-}
-}  // namespace debug
-
-namespace {
-HMODULE sm_LoadNTDLLFunctions() {
-  HMODULE hNtDll = LoadLibrary("ntdll.dll");
-  if(hNtDll == NULL) return NULL;
-
-  gNtQueryInformationProcess = (pfnNtQueryInformationProcess)GetProcAddress(hNtDll,
-                                                        "NtQueryInformationProcess");
-  if(gNtQueryInformationProcess == NULL) {
-    FreeLibrary(hNtDll);
-    return NULL;
-  }
-  return hNtDll;
-}
-}  // namespace