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Before, the script tried to get the address by constructing a pointer to
the parameter (by name). However, since GDB now passes the parameter as a
GdbValue, we cannot get its name. Instead, we retrieve the address
through GdbValue's address attribute.
Before:
>>> p $lx_per_cpu(cpu_info)
Traceback (most recent call last):
File "./scripts/gdb/linux/cpus.py", line 152, in invoke
var_ptr = gdb.parse_and_eval("&" + var_name.string())
^^^^^^^^^^^^^^^^^
gdb.error: Trying to read string with inappropriate type `struct cpuinfo_x86'.
Link: https://lkml.kernel.org/r/20240425153501.749966-3-mail@florommel.de
Signed-off-by: Florian Rommel <mail@florommel.de>
Cc: Andrew Jones <ajones@ventanamicro.com>
Cc: Deepak Gupta <debug@rivosinc.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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| linux | ||
| Makefile | ||
| vmlinux-gdb.py | ||