[reactos] 01/01: [KDGDB] Implement TIB address retrieval

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=9930eeca765ac2520a7bd…

commit 9930eeca765ac2520a7bd5dd411915d232cc96c3
Author:     Jérôme Gardou <jerome.gardou(a)reactos.org>
AuthorDate: Thu May 6 18:32:44 2021 +0200
Commit:     Jérôme Gardou <jerome.gardou(a)reactos.org>
CommitDate: Tue May 11 11:00:49 2021 +0200

    [KDGDB] Implement TIB address retrieval
---
 drivers/base/kdgdb/gdb_input.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/base/kdgdb/gdb_input.c b/drivers/base/kdgdb/gdb_input.c
index c10d7750c84..822efb88042 100644
--- a/drivers/base/kdgdb/gdb_input.c
+++ b/drivers/base/kdgdb/gdb_input.c
@@ -259,6 +259,30 @@ handle_gdb_query(void)
         return send_gdb_packet("l");
     }
 
+    if (strncmp(gdb_input, "qGetTIBAddr:", 12) == 0)
+    {
+        ULONG_PTR Pid, Tid;
+        PETHREAD Thread;
+
+#if MONOPROCESS
+        Pid = 0;
+        Tid = hex_to_tid(&gdb_input[12]);
+
+        KDDBGPRINT(" %p.\n", Tid);
+
+        Thread = find_thread(Pid, Tid);
+#else
+        Pid = hex_to_pid(&gdb_input[13]);
+        Tid = hex_to_tid(strstr(&gdb_input[13], ".") + 1);
+
+        /* We cannot use PsLookupProcessThreadByCid as we could be running at any IRQL.
+         * So loop. */
+        KDDBGPRINT(" p%p.%p.\n", Pid, Tid);
+        Thread = find_thread(Pid, Tid);
+#endif
+        return send_gdb_memory(&Thread->Tcb.Teb, sizeof(Thread->Tcb.Teb));
+    }
+
     if (strncmp(gdb_input, "qThreadExtraInfo,", 17) == 0)
     {
         ULONG_PTR Pid, Tid;