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Modify "platform connect" to connect to processes as well

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The standard remote debugging workflow with gdb is to start the
application on the remote host under gdbserver (e.g.: gdbserver :5039
a.out) and then connect to it with gdb.

The same workflow is supported by debugserver/lldb-gdbserver with a very
similar syntax but to access all features of lldb we need to be
connected also to an lldb-platform instance running on the target.

Before this change this had to be done manually with starting a separate
lldb-platform on the target machine and then connecting to it with lldb
before connecting to the process.

This change modifies the behavior of "platform connect" with
automatically connecting to the process instance if it was started by
the remote platform. With this command replacing gdbserver in a gdb
based worflow is usually as simple as replacing the command to execute
gdbserver with executing lldb-platform.

Differential revision: http://reviews.llvm.org/D14952

llvm-svn: 255016
This commit is contained in:
Tamas Berghammer
2015-12-08 14:08:19 +00:00
parent 59d092f883
commit ccd6cffba3
25 changed files with 583 additions and 158 deletions
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10
lldb/source/Utility/StringExtractorGDBRemote.cpp
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@@ -163,12 +163,12 @@ StringExtractorGDBRemote::GetServerPacketType () const
case 'K':
if (PACKET_STARTS_WITH ("qKillSpawnedProcess")) return eServerPacketType_qKillSpawnedProcess;
break;
case 'L':
if (PACKET_STARTS_WITH ("qLaunchGDBServer")) return eServerPacketType_qLaunchGDBServer;
if (PACKET_MATCHES ("qLaunchSuccess")) return eServerPacketType_qLaunchSuccess;
break;
case 'M':
if (PACKET_STARTS_WITH ("qMemoryRegionInfo:")) return eServerPacketType_qMemoryRegionInfo;
if (PACKET_MATCHES ("qMemoryRegionInfo")) return eServerPacketType_qMemoryRegionInfoSupported;
@@ -182,7 +182,11 @@ StringExtractorGDBRemote::GetServerPacketType () const
if (PACKET_STARTS_WITH ("qPlatform_chmod:")) return eServerPacketType_qPlatform_chmod;
if (PACKET_MATCHES ("qProcessInfo")) return eServerPacketType_qProcessInfo;
break;
case 'Q':
if (PACKET_MATCHES ("qQueryGDBServer")) return eServerPacketType_qQueryGDBServer;
break;
case 'R':
if (PACKET_STARTS_WITH ("qRcmd,")) return eServerPacketType_qRcmd;
if (PACKET_STARTS_WITH ("qRegisterInfo")) return eServerPacketType_qRegisterInfo;