1 //===-- Support.cpp ---------------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Host/linux/Support.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 = GetLogIfAllCategoriesSet(LIBLLDB_LOG_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 = GetLogIfAllCategoriesSet(LIBLLDB_LOG_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 = GetLogIfAllCategoriesSet(LIBLLDB_LOG_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 }
45