lldb/source/Host/linux/Support.cpp

   1 //===-- Support.cpp -------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/Host/linux/Support.h"
  10 #include "lldb/Utility/LLDBLog.h"
  11 #include "lldb/Utility/Log.h"
  12 #include "llvm/Support/MemoryBuffer.h"
  13
  14 llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
  15 lldb_private::getProcFile(::pid_t pid, ::pid_t tid, const llvm::Twine &file) {
  16   Log *log = GetLog(LLDBLog::Host);
  17   std::string File =
  18       ("/proc/" + llvm::Twine(pid) + "/task/" + llvm::Twine(tid) + "/" + file)
  19           .str();
  20   auto Ret = llvm::MemoryBuffer::getFileAsStream(File);
  21   if (!Ret)
  22     LLDB_LOG(log, "Failed to open {0}: {1}", File, Ret.getError().message());
  23   return Ret;
  24 }
  25
  26 llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
  27 lldb_private::getProcFile(::pid_t pid, const llvm::Twine &file) {
  28   Log *log = GetLog(LLDBLog::Host);
  29   std::string File = ("/proc/" + llvm::Twine(pid) + "/" + file).str();
  30   auto Ret = llvm::MemoryBuffer::getFileAsStream(File);
  31   if (!Ret)
  32     LLDB_LOG(log, "Failed to open {0}: {1}", File, Ret.getError().message());
  33   return Ret;
  34 }
  35
  36 llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
  37 lldb_private::getProcFile(const llvm::Twine &file) {
  38   Log *log = GetLog(LLDBLog::Host);
  39   std::string File = ("/proc/" + file).str();
  40   auto Ret = llvm::MemoryBuffer::getFileAsStream(File);
  41   if (!Ret)
  42     LLDB_LOG(log, "Failed to open {0}: {1}", File, Ret.getError().message());
  43   return Ret;
  44 }