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Diffstat (limited to 'source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp')
-rw-r--r--source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp206
1 files changed, 95 insertions, 111 deletions
diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
index 11052eff948f..144ae103faa4 100644
--- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
+++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
@@ -14,6 +14,7 @@
#include <sys/stat.h>
#include "lldb/Core/StreamFile.h"
+#include "lldb/Host/Config.h"
#include "lldb/Host/ConnectionFileDescriptor.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/Host.h"
@@ -38,6 +39,8 @@
#if defined(__APPLE__)
#define DEBUGSERVER_BASENAME "debugserver"
+#elif defined(_WIN32)
+#define DEBUGSERVER_BASENAME "lldb-server.exe"
#else
#define DEBUGSERVER_BASENAME "lldb-server"
#endif
@@ -99,10 +102,8 @@ size_t GDBRemoteCommunication::SendAck() {
ConnectionStatus status = eConnectionStatusSuccess;
char ch = '+';
const size_t bytes_written = Write(&ch, 1, status, nullptr);
- if (log)
- log->Printf("<%4" PRIu64 "> send packet: %c", (uint64_t)bytes_written, ch);
- m_history.AddPacket(ch, GDBRemoteCommunicationHistory::ePacketTypeSend,
- bytes_written);
+ LLDB_LOGF(log, "<%4" PRIu64 "> send packet: %c", (uint64_t)bytes_written, ch);
+ m_history.AddPacket(ch, GDBRemotePacket::ePacketTypeSend, bytes_written);
return bytes_written;
}
@@ -111,10 +112,8 @@ size_t GDBRemoteCommunication::SendNack() {
ConnectionStatus status = eConnectionStatusSuccess;
char ch = '-';
const size_t bytes_written = Write(&ch, 1, status, nullptr);
- if (log)
- log->Printf("<%4" PRIu64 "> send packet: %c", (uint64_t)bytes_written, ch);
- m_history.AddPacket(ch, GDBRemoteCommunicationHistory::ePacketTypeSend,
- bytes_written);
+ LLDB_LOGF(log, "<%4" PRIu64 "> send packet: %c", (uint64_t)bytes_written, ch);
+ m_history.AddPacket(ch, GDBRemotePacket::ePacketTypeSend, bytes_written);
return bytes_written;
}
@@ -172,13 +171,12 @@ GDBRemoteCommunication::SendRawPacketNoLock(llvm::StringRef packet,
strm.Printf("%*s", (int)3, p);
log->PutString(strm.GetString());
} else
- log->Printf("<%4" PRIu64 "> send packet: %.*s", (uint64_t)bytes_written,
- (int)packet_length, packet_data);
+ LLDB_LOGF(log, "<%4" PRIu64 "> send packet: %.*s",
+ (uint64_t)bytes_written, (int)packet_length, packet_data);
}
m_history.AddPacket(packet.str(), packet_length,
- GDBRemoteCommunicationHistory::ePacketTypeSend,
- bytes_written);
+ GDBRemotePacket::ePacketTypeSend, bytes_written);
if (bytes_written == packet_length) {
if (!skip_ack && GetSendAcks())
@@ -186,9 +184,8 @@ GDBRemoteCommunication::SendRawPacketNoLock(llvm::StringRef packet,
else
return PacketResult::Success;
} else {
- if (log)
- log->Printf("error: failed to send packet: %.*s", (int)packet_length,
- packet_data);
+ LLDB_LOGF(log, "error: failed to send packet: %.*s", (int)packet_length,
+ packet_data);
}
}
return PacketResult::ErrorSendFailed;
@@ -332,11 +329,12 @@ GDBRemoteCommunication::WaitForPacketNoLock(StringExtractorGDBRemote &packet,
std::string regex_str = "^";
regex_str += echo_packet;
regex_str += "$";
- response_regex.Compile(regex_str);
+ response_regex = RegularExpression(regex_str);
} else {
echo_packet_len =
::snprintf(echo_packet, sizeof(echo_packet), "qC");
- response_regex.Compile(llvm::StringRef("^QC[0-9A-Fa-f]+$"));
+ response_regex =
+ RegularExpression(llvm::StringRef("^QC[0-9A-Fa-f]+$"));
}
PacketResult echo_packet_result =
@@ -489,11 +487,10 @@ bool GDBRemoteCommunication::DecompressPacket() {
llvm::StringRef(m_bytes).substr(1, hash_mark_idx - 1));
bool success = packet_checksum == actual_checksum;
if (!success) {
- if (log)
- log->Printf(
- "error: checksum mismatch: %.*s expected 0x%2.2x, got 0x%2.2x",
- (int)(pkt_size), m_bytes.c_str(), (uint8_t)packet_checksum,
- (uint8_t)actual_checksum);
+ LLDB_LOGF(log,
+ "error: checksum mismatch: %.*s expected 0x%2.2x, got 0x%2.2x",
+ (int)(pkt_size), m_bytes.c_str(), (uint8_t)packet_checksum,
+ (uint8_t)actual_checksum);
}
// Send the ack or nack if needed
if (!success) {
@@ -651,8 +648,8 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len,
if (src && src_len > 0) {
if (log && log->GetVerbose()) {
StreamString s;
- log->Printf("GDBRemoteCommunication::%s adding %u bytes: %.*s",
- __FUNCTION__, (uint32_t)src_len, (uint32_t)src_len, src);
+ LLDB_LOGF(log, "GDBRemoteCommunication::%s adding %u bytes: %.*s",
+ __FUNCTION__, (uint32_t)src_len, (uint32_t)src_len, src);
}
m_bytes.append((const char *)src, src_len);
}
@@ -733,9 +730,8 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len,
break;
}
}
- if (log)
- log->Printf("GDBRemoteCommunication::%s tossing %u junk bytes: '%.*s'",
- __FUNCTION__, idx - 1, idx - 1, m_bytes.c_str());
+ LLDB_LOGF(log, "GDBRemoteCommunication::%s tossing %u junk bytes: '%.*s'",
+ __FUNCTION__, idx - 1, idx - 1, m_bytes.c_str());
m_bytes.erase(0, idx - 1);
} break;
}
@@ -752,7 +748,6 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len,
size_t content_end = content_start + content_length;
bool success = true;
- std::string &packet_str = packet.GetStringRef();
if (log) {
// If logging was just enabled and we have history, then dump out what
// we have to the log so we get the historical context. The Dump() call
@@ -800,25 +795,23 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len,
log->PutString(strm.GetString());
} else {
if (CompressionIsEnabled())
- log->Printf("<%4" PRIu64 ":%" PRIu64 "> read packet: %.*s",
- (uint64_t)original_packet_size, (uint64_t)total_length,
- (int)(total_length), m_bytes.c_str());
+ LLDB_LOGF(log, "<%4" PRIu64 ":%" PRIu64 "> read packet: %.*s",
+ (uint64_t)original_packet_size, (uint64_t)total_length,
+ (int)(total_length), m_bytes.c_str());
else
- log->Printf("<%4" PRIu64 "> read packet: %.*s",
- (uint64_t)total_length, (int)(total_length),
- m_bytes.c_str());
+ LLDB_LOGF(log, "<%4" PRIu64 "> read packet: %.*s",
+ (uint64_t)total_length, (int)(total_length),
+ m_bytes.c_str());
}
}
m_history.AddPacket(m_bytes, total_length,
- GDBRemoteCommunicationHistory::ePacketTypeRecv,
- total_length);
+ GDBRemotePacket::ePacketTypeRecv, total_length);
- // Clear packet_str in case there is some existing data in it.
- packet_str.clear();
// Copy the packet from m_bytes to packet_str expanding the run-length
// encoding in the process. Reserve enough byte for the most common case
// (no RLE used)
+ std ::string packet_str;
packet_str.reserve(m_bytes.length());
for (std::string::const_iterator c = m_bytes.begin() + content_start;
c != m_bytes.begin() + content_end; ++c) {
@@ -841,6 +834,7 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len,
packet_str.push_back(*c);
}
}
+ packet = StringExtractorGDBRemote(packet_str);
if (m_bytes[0] == '$' || m_bytes[0] == '%') {
assert(checksum_idx < m_bytes.size());
@@ -853,11 +847,11 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len,
llvm::StringRef(m_bytes).slice(content_start, content_end));
success = packet_checksum == actual_checksum;
if (!success) {
- if (log)
- log->Printf("error: checksum mismatch: %.*s expected 0x%2.2x, "
- "got 0x%2.2x",
- (int)(total_length), m_bytes.c_str(),
- (uint8_t)packet_checksum, (uint8_t)actual_checksum);
+ LLDB_LOGF(log,
+ "error: checksum mismatch: %.*s expected 0x%2.2x, "
+ "got 0x%2.2x",
+ (int)(total_length), m_bytes.c_str(),
+ (uint8_t)packet_checksum, (uint8_t)actual_checksum);
}
// Send the ack or nack if needed
if (!success)
@@ -867,9 +861,8 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len,
}
} else {
success = false;
- if (log)
- log->Printf("error: invalid checksum in packet: '%s'\n",
- m_bytes.c_str());
+ LLDB_LOGF(log, "error: invalid checksum in packet: '%s'\n",
+ m_bytes.c_str());
}
}
@@ -933,10 +926,8 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
const char *url, Platform *platform, ProcessLaunchInfo &launch_info,
uint16_t *port, const Args *inferior_args, int pass_comm_fd) {
Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS));
- if (log)
- log->Printf("GDBRemoteCommunication::%s(url=%s, port=%" PRIu16 ")",
- __FUNCTION__, url ? url : "<empty>",
- port ? *port : uint16_t(0));
+ LLDB_LOGF(log, "GDBRemoteCommunication::%s(url=%s, port=%" PRIu16 ")",
+ __FUNCTION__, url ? url : "<empty>", port ? *port : uint16_t(0));
Status error;
// If we locate debugserver, keep that located version around
@@ -953,10 +944,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
if (!env_debugserver_path.empty()) {
debugserver_file_spec.SetFile(env_debugserver_path,
FileSpec::Style::native);
- if (log)
- log->Printf("GDBRemoteCommunication::%s() gdb-remote stub exe path set "
- "from environment variable: %s",
- __FUNCTION__, env_debugserver_path.c_str());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() gdb-remote stub exe path set "
+ "from environment variable: %s",
+ __FUNCTION__, env_debugserver_path.c_str());
} else
debugserver_file_spec = g_debugserver_file_spec;
bool debugserver_exists =
@@ -968,10 +959,9 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
debugserver_file_spec.AppendPathComponent(DEBUGSERVER_BASENAME);
debugserver_exists = FileSystem::Instance().Exists(debugserver_file_spec);
if (debugserver_exists) {
- if (log)
- log->Printf(
- "GDBRemoteCommunication::%s() found gdb-remote stub exe '%s'",
- __FUNCTION__, debugserver_file_spec.GetPath().c_str());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() found gdb-remote stub exe '%s'",
+ __FUNCTION__, debugserver_file_spec.GetPath().c_str());
g_debugserver_file_spec = debugserver_file_spec;
} else {
@@ -985,10 +975,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
// exist
debugserver_exists = true;
} else {
- if (log)
- log->Printf("GDBRemoteCommunication::%s() could not find "
- "gdb-remote stub exe '%s'",
- __FUNCTION__, debugserver_file_spec.GetPath().c_str());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() could not find "
+ "gdb-remote stub exe '%s'",
+ __FUNCTION__, debugserver_file_spec.GetPath().c_str());
}
// Don't cache the platform specific GDB server binary as it could
// change from platform to platform
@@ -1052,10 +1042,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
error = socket_pipe.CreateWithUniqueName("debugserver-named-pipe",
false, named_pipe_path);
if (error.Fail()) {
- if (log)
- log->Printf("GDBRemoteCommunication::%s() "
- "named pipe creation failed: %s",
- __FUNCTION__, error.AsCString());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() "
+ "named pipe creation failed: %s",
+ __FUNCTION__, error.AsCString());
return error;
}
debugserver_args.AppendArgument(llvm::StringRef("--named-pipe"));
@@ -1065,10 +1055,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
// using using an unnamed pipe...
error = socket_pipe.CreateNew(true);
if (error.Fail()) {
- if (log)
- log->Printf("GDBRemoteCommunication::%s() "
- "unnamed pipe creation failed: %s",
- __FUNCTION__, error.AsCString());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() "
+ "unnamed pipe creation failed: %s",
+ __FUNCTION__, error.AsCString());
return error;
}
pipe_t write = socket_pipe.GetWritePipe();
@@ -1081,10 +1071,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
// debugserver connect to us..
error = StartListenThread("127.0.0.1", 0);
if (error.Fail()) {
- if (log)
- log->Printf("GDBRemoteCommunication::%s() unable to start listen "
- "thread: %s",
- __FUNCTION__, error.AsCString());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() unable to start listen "
+ "thread: %s",
+ __FUNCTION__, error.AsCString());
return error;
}
@@ -1104,9 +1094,8 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
*port = port_;
} else {
error.SetErrorString("failed to bind to port 0 on 127.0.0.1");
- if (log)
- log->Printf("GDBRemoteCommunication::%s() failed: %s", __FUNCTION__,
- error.AsCString());
+ LLDB_LOGF(log, "GDBRemoteCommunication::%s() failed: %s",
+ __FUNCTION__, error.AsCString());
return error;
}
}
@@ -1148,10 +1137,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
if (has_env_var) {
debugserver_args.AppendArgument(llvm::StringRef(extra_arg));
- if (log)
- log->Printf("GDBRemoteCommunication::%s adding env var %s contents "
- "to stub command line (%s)",
- __FUNCTION__, env_var_name, extra_arg.c_str());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s adding env var %s contents "
+ "to stub command line (%s)",
+ __FUNCTION__, env_var_name, extra_arg.c_str());
}
} while (has_env_var);
@@ -1177,8 +1166,8 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
StreamString string_stream;
Platform *const platform = nullptr;
launch_info.Dump(string_stream, platform);
- log->Printf("launch info for gdb-remote stub:\n%s",
- string_stream.GetData());
+ LLDB_LOGF(log, "launch info for gdb-remote stub:\n%s",
+ string_stream.GetData());
}
error = Host::LaunchProcess(launch_info);
@@ -1188,11 +1177,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
if (named_pipe_path.size() > 0) {
error = socket_pipe.OpenAsReader(named_pipe_path, false);
if (error.Fail())
- if (log)
- log->Printf("GDBRemoteCommunication::%s() "
- "failed to open named pipe %s for reading: %s",
- __FUNCTION__, named_pipe_path.c_str(),
- error.AsCString());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() "
+ "failed to open named pipe %s for reading: %s",
+ __FUNCTION__, named_pipe_path.c_str(), error.AsCString());
}
if (socket_pipe.CanWrite())
@@ -1209,24 +1197,22 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
uint16_t child_port = StringConvert::ToUInt32(port_cstr, 0);
if (*port == 0 || *port == child_port) {
*port = child_port;
- if (log)
- log->Printf("GDBRemoteCommunication::%s() "
- "debugserver listens %u port",
- __FUNCTION__, *port);
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() "
+ "debugserver listens %u port",
+ __FUNCTION__, *port);
} else {
- if (log)
- log->Printf("GDBRemoteCommunication::%s() "
- "debugserver listening on port "
- "%d but requested port was %d",
- __FUNCTION__, (uint32_t)child_port,
- (uint32_t)(*port));
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() "
+ "debugserver listening on port "
+ "%d but requested port was %d",
+ __FUNCTION__, (uint32_t)child_port, (uint32_t)(*port));
}
} else {
- if (log)
- log->Printf("GDBRemoteCommunication::%s() "
- "failed to read a port value from pipe %s: %s",
- __FUNCTION__, named_pipe_path.c_str(),
- error.AsCString());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s() "
+ "failed to read a port value from pipe %s: %s",
+ __FUNCTION__, named_pipe_path.c_str(), error.AsCString());
}
socket_pipe.Close();
}
@@ -1234,10 +1220,9 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
if (named_pipe_path.size() > 0) {
const auto err = socket_pipe.Delete(named_pipe_path);
if (err.Fail()) {
- if (log)
- log->Printf(
- "GDBRemoteCommunication::%s failed to delete pipe %s: %s",
- __FUNCTION__, named_pipe_path.c_str(), err.AsCString());
+ LLDB_LOGF(log,
+ "GDBRemoteCommunication::%s failed to delete pipe %s: %s",
+ __FUNCTION__, named_pipe_path.c_str(), err.AsCString());
}
}
@@ -1249,9 +1234,8 @@ Status GDBRemoteCommunication::StartDebugserverProcess(
}
if (error.Fail()) {
- if (log)
- log->Printf("GDBRemoteCommunication::%s() failed: %s", __FUNCTION__,
- error.AsCString());
+ LLDB_LOGF(log, "GDBRemoteCommunication::%s() failed: %s", __FUNCTION__,
+ error.AsCString());
}
return error;
@@ -1351,7 +1335,7 @@ void GDBRemoteCommunication::AppendBytesToCache(const uint8_t *bytes,
if (type == PacketType::Notify) {
// put this packet into an event
- const char *pdata = packet.GetStringRef().c_str();
+ const char *pdata = packet.GetStringRef().data();
// as the communication class, we are a broadcaster and the async thread
// is tuned to listen to us