[PATCH 08/21] scripts/gdb: arm64: Use TPIDRRO_EL0 instead of SP_EL0 for 'current'

[Will Deacon]

The current task pointer now lives in TPIDRRO_EL0 instead of SP_EL0, so
update the gdb 'cpus.py' helper script with the new register allocation.

Cc: Mark Rutland <mark.rutland at arm.com>
Signed-off-by: Will Deacon <will at kernel.org>
---
 scripts/gdb/linux/cpus.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py
index 6edf4ef61636..547a623280ae 100644
--- a/scripts/gdb/linux/cpus.py
+++ b/scripts/gdb/linux/cpus.py
@@ -185,7 +185,7 @@ def get_current_task(cpu):
             var_ptr = gdb.parse_and_eval("&current_task")
             return per_cpu(var_ptr, cpu).dereference()
     elif utils.is_target_arch("aarch64"):
-        current_task_addr = gdb.parse_and_eval("(unsigned long)$SP_EL0")
+        current_task_addr = gdb.parse_and_eval("(unsigned long)$TPIDRRO_EL0")
         if (current_task_addr >> 63) != 0:
             current_task = current_task_addr.cast(task_ptr_type)
             return current_task.dereference()
-- 
2.55.0.979.g7e5102b832-goog