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authorJiri Kosina <jkosina@suse.cz>2023-06-27 22:37:24 +0200
committerJiri Kosina <jkosina@suse.cz>2023-06-27 22:37:24 +0200
commite80b500370e71b8cd7dd64be4080cee0a3e5068f (patch)
tree130b5288bf5f8420482a1aaf021f2054b5687f04 /scripts/gdb/linux/cpus.py
parentMerge branch 'for-6.5/amd-sfh' into for-linus (diff)
parentHID: apple: Option to swap only left side mod keys (diff)
downloadwireguard-linux-e80b500370e71b8cd7dd64be4080cee0a3e5068f.tar.xz
wireguard-linux-e80b500370e71b8cd7dd64be4080cee0a3e5068f.zip
Merge branch 'for-6.5/apple' into for-linus
- improved support for Keychron K8 keyboard (Lasse Brun)
Diffstat (limited to 'scripts/gdb/linux/cpus.py')
-rw-r--r--scripts/gdb/linux/cpus.py24
1 files changed, 15 insertions, 9 deletions
diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py
index 9ee99f9fae8d..255dc18cb9da 100644
--- a/scripts/gdb/linux/cpus.py
+++ b/scripts/gdb/linux/cpus.py
@@ -163,16 +163,22 @@ def get_current_task(cpu):
task_ptr_type = task_type.get_type().pointer()
if utils.is_target_arch("x86"):
- var_ptr = gdb.parse_and_eval("&pcpu_hot.current_task")
- return per_cpu(var_ptr, cpu).dereference()
+ if gdb.lookup_global_symbol("cpu_tasks"):
+ # This is a UML kernel, which stores the current task
+ # differently than other x86 sub architectures
+ var_ptr = gdb.parse_and_eval("(struct task_struct *)cpu_tasks[0].task")
+ return var_ptr.dereference()
+ else:
+ var_ptr = gdb.parse_and_eval("&pcpu_hot.current_task")
+ return per_cpu(var_ptr, cpu).dereference()
elif utils.is_target_arch("aarch64"):
- current_task_addr = gdb.parse_and_eval("$SP_EL0")
- if((current_task_addr >> 63) != 0):
- current_task = current_task_addr.cast(task_ptr_type)
- return current_task.dereference()
- else:
- raise gdb.GdbError("Sorry, obtaining the current task is not allowed "
- "while running in userspace(EL0)")
+ current_task_addr = gdb.parse_and_eval("$SP_EL0")
+ if (current_task_addr >> 63) != 0:
+ current_task = current_task_addr.cast(task_ptr_type)
+ return current_task.dereference()
+ else:
+ raise gdb.GdbError("Sorry, obtaining the current task is not allowed "
+ "while running in userspace(EL0)")
else:
raise gdb.GdbError("Sorry, obtaining the current task is not yet "
"supported with this arch")