diff options
author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2021-05-17 17:48:02 -0400 |
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committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2021-05-17 17:48:02 -0400 |
commit | d22fe808f9a3456f16015e79f1b86a10ce13099f (patch) | |
tree | 8e8c99d742696a810297d54d650f308f6156d466 /scripts/gdb | |
parent | 1a7910368cba1e76b992b116fc8ba28503e6dcc1 (diff) | |
parent | 6efb943b8616ec53a5e444193dccf1af9ad627b5 (diff) |
Merge drm/drm-next into drm-intel-next
Time to get back in sync...
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'scripts/gdb')
-rw-r--r-- | scripts/gdb/linux/cpus.py | 23 | ||||
-rw-r--r-- | scripts/gdb/linux/symbols.py | 3 |
2 files changed, 23 insertions, 3 deletions
diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py index 008e62f3190d..15fc4626d236 100644 --- a/scripts/gdb/linux/cpus.py +++ b/scripts/gdb/linux/cpus.py @@ -16,6 +16,9 @@ import gdb from linux import tasks, utils +task_type = utils.CachedType("struct task_struct") + + MAX_CPUS = 4096 @@ -156,6 +159,23 @@ Note that VAR has to be quoted as string.""" PerCpu() +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("¤t_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)") + else: + raise gdb.GdbError("Sorry, obtaining the current task is not yet " + "supported with this arch") class LxCurrentFunc(gdb.Function): """Return current task. @@ -167,8 +187,7 @@ number. If CPU is omitted, the CPU of the current context is used.""" super(LxCurrentFunc, self).__init__("lx_current") def invoke(self, cpu=-1): - var_ptr = gdb.parse_and_eval("¤t_task") - return per_cpu(var_ptr, cpu).dereference() + return get_current_task(cpu) LxCurrentFunc() diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py index 1be9763cf8bb..08d264ac328b 100644 --- a/scripts/gdb/linux/symbols.py +++ b/scripts/gdb/linux/symbols.py @@ -164,7 +164,8 @@ lx-symbols command.""" saved_state['breakpoint'].enabled = saved_state['enabled'] def invoke(self, arg, from_tty): - self.module_paths = [os.path.expanduser(p) for p in arg.split()] + self.module_paths = [os.path.abspath(os.path.expanduser(p)) + for p in arg.split()] self.module_paths.append(os.getcwd()) # enforce update |