1 files changed, 43 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/source/Host/linux/Support.cpp b/gnu/llvm/lldb/source/Host/linux/Support.cpp
new file mode 100644
index 00000000000..b9deb21b55e
--- /dev/null
+++ b/gnu/llvm/lldb/source/Host/linux/Support.cpp
@@ -0,0 +1,43 @@
+//===-- Support.cpp ---------------------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Host/linux/Support.h"
+#include "lldb/Utility/Log.h"
+#include "llvm/Support/MemoryBuffer.h"
+
+llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
+lldb_private::getProcFile(::pid_t pid, ::pid_t tid, const llvm::Twine &file) {
+  Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
+  std::string File =
+      ("/proc/" + llvm::Twine(pid) + "/task/" + llvm::Twine(tid) + "/" + file)
+          .str();
+  auto Ret = llvm::MemoryBuffer::getFileAsStream(File);
+  if (!Ret)
+    LLDB_LOG(log, "Failed to open {0}: {1}", File, Ret.getError().message());
+  return Ret;
+}
+
+llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
+lldb_private::getProcFile(::pid_t pid, const llvm::Twine &file) {
+  Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
+  std::string File = ("/proc/" + llvm::Twine(pid) + "/" + file).str();
+  auto Ret = llvm::MemoryBuffer::getFileAsStream(File);
+  if (!Ret)
+    LLDB_LOG(log, "Failed to open {0}: {1}", File, Ret.getError().message());
+  return Ret;
+}
+
+llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
+lldb_private::getProcFile(const llvm::Twine &file) {
+  Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
+  std::string File = ("/proc/" + file).str();
+  auto Ret = llvm::MemoryBuffer::getFileAsStream(File);
+  if (!Ret)
+    LLDB_LOG(log, "Failed to open {0}: {1}", File, Ret.getError().message());
+  return Ret;
+}