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rework gdb packet parsing

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it should be a bit more robust now
This commit is contained in:
RSDuck
2024-09-15 07:30:53 +02:00
parent 50d32f3c96
commit a3d696121e
5 changed files with 184 additions and 247 deletions
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27
src/debug/GdbStub.h
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@ -86,6 +86,8 @@ enum class ExecResult
Continue
};
constexpr int GDBPROTO_BUFFER_CAPACITY = 1024+128;
class GdbStub;
typedef ExecResult (*GdbProtoCmd)(GdbStub* stub, const u8* cmd, ssize_t len);
@ -141,9 +143,6 @@ public:
Gdb::ExecResult CmdExec(const CmdHandler* handlers);
public:
int SendAck();
int SendNak();
int Resp(const u8* data1, size_t len1, const u8* data2 = NULL, size_t len2 = 0);
int RespC(const char* data1, size_t len1, const u8* data2 = NULL, size_t len2 = 0);
#if defined(__GCC__) || defined(__clang__)
@ -158,7 +157,20 @@ private:
void Disconnect();
StubState HandlePacket();
private:
Gdb::ReadResult MsgRecv();
Gdb::ReadResult TryParsePacket(size_t start, size_t& packetStart, size_t& packetSize, size_t& packetContentSize);
Gdb::ReadResult ParseAndSetupPacket();
void SetupCommand(size_t packetStart, size_t packetSize);
int SendAck();
int SendNak();
int Resp(const u8* data1, size_t len1, const u8* data2, size_t len2, bool noack);
int WaitAckBlocking(u8* ackp, int to_ms);
StubCallbacks* Cb;
//struct sockaddr_in server, client;
@ -172,6 +184,13 @@ private:
bool StatFlag;
bool NoAck;
std::array<u8, GDBPROTO_BUFFER_CAPACITY> RecvBuffer;
u32 RecvBufferFilled = 0;
std::array<u8, GDBPROTO_BUFFER_CAPACITY> RespBuf;
std::array<u8, GDBPROTO_BUFFER_CAPACITY> Cmdbuf;
ssize_t Cmdlen;
std::map<u32, BpWp> BpList;
std::vector<BpWp> WpList;