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https://github.com/reactos/reactos.git
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[KDGDB]
- Add support for the qfThreadInfo GDB request svn path=/trunk/; revision=64144
This commit is contained in:
Jérôme Gardou
parent
7d06aab495
commit
50d072fe6a
4 changed files with 147 additions and 48 deletions
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@ -7,6 +7,8 @@
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#include "kdgdb.h"
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#include <pstypes.h>
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/* LOCALS *********************************************************************/
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static HANDLE gdb_run_thread;
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static HANDLE gdb_dbg_process;
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@ -114,7 +116,7 @@ handle_gdb_thread_alive(void)
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/* q* packets */
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static
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void
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handle_gdb_query(void)
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handle_gdb_query(_Inout_ PKD_CONTEXT KdContext)
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{
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if (strncmp(gdb_input, "qSupported:", 11) == 0)
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{
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@ -145,10 +147,103 @@ handle_gdb_query(void)
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return;
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}
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if (strncmp(gdb_input, "qTStatus", 8) == 0)
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if (strncmp(gdb_input, "qfThreadInfo", 12) == 0)
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{
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/* We don't support tracepoints. */
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send_gdb_packet("T0");
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LIST_ENTRY* ProcessListHead = (LIST_ENTRY*)KdDebuggerDataBlock->PsActiveProcessHead.Pointer;
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LIST_ENTRY* ProcessEntry;
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PEPROCESS Process;
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KDDBGPRINT("ProcessListHead: %p.\n", ProcessListHead);
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/* Maybe this was not initialized yet */
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if (!ProcessListHead->Flink)
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{
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char gdb_out[64];
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/* Just tell GDB about the current thread */
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sprintf(gdb_out, "mp%p.%p", PsGetCurrentProcessId(), PsGetCurrentThreadId());
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send_gdb_packet(gdb_out);
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gdb_receive_packet(KdContext);
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if (strncmp(gdb_input, "qsThreadInfo", 12) != 0)
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{
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// KdAssert
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KDDBGPRINT("Received %s instead of qsThreadInfo!\n", gdb_input);
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while(1);
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}
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send_gdb_packet("l");
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return;
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}
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/* List all processes */
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for (ProcessEntry = ProcessListHead->Flink;
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ProcessEntry != ProcessListHead;
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ProcessEntry = ProcessEntry->Flink)
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{
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BOOLEAN FirstThread = TRUE;
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LIST_ENTRY* ThreadEntry;
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PETHREAD Thread;
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static char gdb_out[1024];
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char* ptr;
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ptr = gdb_out;
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Process = CONTAINING_RECORD(ProcessEntry, EPROCESS, ActiveProcessLinks);
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KDDBGPRINT("gdb_out %p.\n", gdb_out);
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*ptr++ = 'm';
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/* List threads from this process */
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for (ThreadEntry = Process->ThreadListHead.Flink;
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ThreadEntry != &Process->ThreadListHead;
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ThreadEntry = ThreadEntry->Flink)
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{
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Thread = CONTAINING_RECORD(ThreadEntry, ETHREAD, ThreadListEntry);
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KDDBGPRINT("ptr %p.\n", ptr);
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/* See if we should add a comma */
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if (FirstThread)
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{
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FirstThread = FALSE;
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}
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else
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{
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*ptr++ = ',';
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}
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ptr += _snprintf(ptr, 1024 - (ptr - gdb_out),
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"p%p.%p", PsGetProcessId(Process), PsGetThreadId(Thread));
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if (ptr > (gdb_out + 1024))
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{
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/* send what we got */
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KDDBGPRINT("Sending %s.\n", gdb_out);
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send_gdb_packet(gdb_out);
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gdb_receive_packet(KdContext);
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if (strncmp(gdb_input, "qsThreadInfo", 12) != 0)
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{
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// KdAssert
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KDDBGPRINT("Received %s instead of qsThreadInfo!\n", gdb_input);
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while(1);
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}
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/* Start anew */
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ptr = gdb_out;
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*ptr++ = 'm';
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FirstThread = TRUE;
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}
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}
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/* send the list for this process */
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KDDBGPRINT("Sending %s.\n", gdb_out);
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send_gdb_packet(gdb_out);
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gdb_receive_packet(KdContext);
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if (strncmp(gdb_input, "qsThreadInfo", 12) != 0)
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{
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// KdAssert
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KDDBGPRINT("Received %s instead of qsThreadInfo!\n", gdb_input);
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while(1);
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}
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}
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/* We're done. Send end-of-list packet */
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send_gdb_packet("l");
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return;
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}
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@ -409,7 +504,7 @@ gdb_interpret_input(
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case 'm':
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return handle_gdb_read_mem(State, MessageData, MessageLength);
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case 'q':
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handle_gdb_query();
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handle_gdb_query(KdContext);
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break;
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case 'T':
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handle_gdb_thread_alive();
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@ -185,36 +185,3 @@ gdb_send_exception(void)
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ptr += sprintf(ptr, "core:%x;", CurrentStateChange.Processor);
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send_gdb_packet(gdb_out);
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}
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#ifdef KDDEBUG
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ULONG KdpDbgPrint(const char* Format, ...)
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{
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va_list ap;
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CHAR Buffer[512];
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struct _STRING Str;
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int Length;
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va_start(ap, Format);
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Length = _vsnprintf(Buffer, sizeof(Buffer), Format, ap);
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va_end(ap);
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/* Check if we went past the buffer */
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if (Length == -1)
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{
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/* Terminate it if we went over-board */
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Buffer[sizeof(Buffer) - 1] = '\n';
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/* Put maximum */
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Length = sizeof(Buffer);
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}
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Str.Buffer = Buffer;
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Str.Length = Length;
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Str.MaximumLength = sizeof(Buffer);
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gdb_send_debug_io(&Str);
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return 0;
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}
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#endif
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@ -34,8 +34,11 @@ const ULONG BaseArray[] = {0, 0xF1012000};
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/* GLOBALS ********************************************************************/
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CPPORT KdComPort;
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ULONG KdComPortIrq = 0; // Not used at the moment.
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#ifdef KDDEBUG
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CPPORT KdDebugComPort;
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ULONG KdDebugComPortIrq = 0; // Not used at the moment.
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#endif
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/* FUNCTIONS ******************************************************************/
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@ -77,7 +80,7 @@ KdpPortInitialize(IN ULONG ComPortNumber,
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{
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NTSTATUS Status;
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Status = CpInitialize(&KdDebugComPort,
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Status = CpInitialize(&KdComPort,
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UlongToPtr(BaseArray[ComPortNumber]),
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ComPortBaudRate);
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if (!NT_SUCCESS(Status))
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@ -86,7 +89,7 @@ KdpPortInitialize(IN ULONG ComPortNumber,
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}
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else
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{
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KdComPortInUse = KdDebugComPort.Address;
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KdComPortInUse = KdComPort.Address;
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return STATUS_SUCCESS;
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}
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}
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@ -107,10 +110,9 @@ KdDebuggerInitialize0(IN PLOADER_PARAMETER_BLOCK LoaderBlock OPTIONAL)
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PCHAR CommandLine, PortString, BaudString, IrqString;
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ULONG Value;
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/* Check if e have a LoaderBlock */
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/* Check if we have a LoaderBlock */
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if (LoaderBlock)
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{
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/* Get the Command Line */
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CommandLine = LoaderBlock->LoadOptions;
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@ -182,11 +184,16 @@ KdDebuggerInitialize0(IN PLOADER_PARAMETER_BLOCK LoaderBlock OPTIONAL)
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{
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/* Read and set it */
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Value = atol(IrqString + 1);
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if (Value) KdDebugComPortIrq = Value;
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if (Value) KdComPortIrq = Value;
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}
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}
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}
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#ifdef KDDEBUG
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/* Use DEBUGPORT=COM1 if you want to debug KDGDB, as we use COM2 for debugging it */
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CpInitialize(&KdDebugComPort, UlongToPtr(BaseArray[2]), DEFAULT_BAUD_RATE);
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#endif
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/* Initialize the port */
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return KdpPortInitialize(ComPortNumber, ComPortBaudRate);
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}
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@ -210,7 +217,7 @@ NTAPI
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KdpSendByte(_In_ UCHAR Byte)
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{
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/* Send the byte */
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CpPutByte(&KdDebugComPort, Byte);
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CpPutByte(&KdComPort, Byte);
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}
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KDSTATUS
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@ -218,7 +225,7 @@ NTAPI
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KdpPollByte(OUT PUCHAR OutByte)
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{
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/* Poll the byte */
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if (CpGetByte(&KdDebugComPort, OutByte, FALSE, FALSE) == CP_GET_SUCCESS)
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if (CpGetByte(&KdComPort, OutByte, FALSE, FALSE) == CP_GET_SUCCESS)
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{
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return KdPacketReceived;
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}
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@ -233,7 +240,7 @@ NTAPI
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KdpReceiveByte(_Out_ PUCHAR OutByte)
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{
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/* Get the byte */
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if (CpGetByte(&KdDebugComPort, OutByte, TRUE, FALSE) == CP_GET_SUCCESS)
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if (CpGetByte(&KdComPort, OutByte, TRUE, FALSE) == CP_GET_SUCCESS)
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{
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return KdPacketReceived;
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}
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@ -266,4 +273,34 @@ KdpPollBreakIn(VOID)
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return KdPacketTimedOut;
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}
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#ifdef KDDEBUG
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ULONG KdpDbgPrint(const char* Format, ...)
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{
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va_list ap;
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static CHAR Buffer[512];
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char* ptr;
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int Length;
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va_start(ap, Format);
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Length = _vsnprintf(Buffer, sizeof(Buffer), Format, ap);
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va_end(ap);
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/* Check if we went past the buffer */
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if (Length == -1)
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{
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/* Terminate it if we went over-board */
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Buffer[sizeof(Buffer) - 1] = '\n';
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/* Put maximum */
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Length = sizeof(Buffer);
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}
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ptr = Buffer;
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while (Length--)
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CpPutByte(&KdDebugComPort, *ptr++);
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return 0;
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}
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#endif
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/* EOF */
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@ -16,7 +16,7 @@
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#include <windbgkd.h>
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#include <kddll.h>
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// #define KDDEBUG /* uncomment to enable debugging this dll */
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#define KDDEBUG /* uncomment to enable debugging this dll */
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#ifndef KDDEBUG
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#define KDDBGPRINT(...)
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