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scripts/gdb: change kernel config dumping method 

[ Upstream commit 1f7a6cf6b0 ]

MAGIC_START("IKCFG_ST") and MAGIC_END("IKCFG_ED") are moved out
from the kernel_config_data variable.

Thus, we parse kernel_config_data directly instead of considering
offset of MAGIC_START and MAGIC_END.

Fixes: 13610aa908 ("kernel/configs: use .incbin directive to embed config_data.gz")
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kuan-Ying Lee 2022-06-10 15:14:57 +08:00 committed by Greg Kroah-Hartman
parent 929f265c40
commit 669e8dd126
1 changed files with 3 additions and 3 deletions
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6
scripts/gdb/linux/config.py
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@ -24,9 +24,9 @@ class LxConfigDump(gdb.Command):
filename = arg
try:
py_config_ptr = gdb.parse_and_eval("kernel_config_data + 8")
py_config_size = gdb.parse_and_eval(
"sizeof(kernel_config_data) - 1 - 8 * 2")
py_config_ptr = gdb.parse_and_eval("&kernel_config_data")
py_config_ptr_end = gdb.parse_and_eval("&kernel_config_data_end")
py_config_size = py_config_ptr_end - py_config_ptr
except gdb.error as e:
raise gdb.GdbError("Can't find config, enable CONFIG_IKCONFIG?")