lldb/source/Utility/TraceIntelPTGDBRemotePackets.cpp

   1 //===-- TraceIntelPTGDBRemotePackets.cpp ------------------------*- C++ -*-===//
   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/Utility/TraceIntelPTGDBRemotePackets.h"
  10
  11 using namespace llvm;
  12 using namespace llvm::json;
  13
  14 namespace lldb_private {
  15
  16 bool fromJSON(const json::Value &value, TraceIntelPTStartRequest &packet,
  17               Path path) {
  18   ObjectMapper o(value, path);
  19   if (!o || !fromJSON(value, (TraceStartRequest &)packet, path) ||
  20       !o.map("enableTsc", packet.enableTsc) ||
  21       !o.map("psbPeriod", packet.psbPeriod) ||
  22       !o.map("threadBufferSize", packet.threadBufferSize) ||
  23       !o.map("processBufferSizeLimit", packet.processBufferSizeLimit))
  24     return false;
  25   if (packet.tids && packet.processBufferSizeLimit) {
  26     path.report("processBufferSizeLimit must be provided");
  27     return false;
  28   }
  29   if (!packet.tids && !packet.processBufferSizeLimit) {
  30     path.report("processBufferSizeLimit must not be provided");
  31     return false;
  32   }
  33   return true;
  34 }
  35
  36 json::Value toJSON(const TraceIntelPTStartRequest &packet) {
  37   json::Value base = toJSON((const TraceStartRequest &)packet);
  38   base.getAsObject()->try_emplace("threadBufferSize", packet.threadBufferSize);
  39   base.getAsObject()->try_emplace("processBufferSizeLimit",
  40                                   packet.processBufferSizeLimit);
  41   base.getAsObject()->try_emplace("psbPeriod", packet.psbPeriod);
  42   base.getAsObject()->try_emplace("enableTsc", packet.enableTsc);
  43   return base;
  44 }
  45
  46 } // namespace lldb_private