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author | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2025-04-24 13:34:55 +0200 |
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committer | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2025-04-24 13:34:55 +0200 |
commit | 3ab7ae8e07f888f223027f0ef84d33e43919ad55 (patch) | |
tree | 298aa9f969b1342b5ea242f84e9a3c16ed20bd44 /scripts/gdb/linux/utils.py | |
parent | 4ea512714c42c69828b4a2647d206bf404043ad5 (diff) | |
parent | b60301774a8fe6c30b14a95104ec099290a2e904 (diff) |
Merge drm/drm-next into drm-xe-next
Backmerge to bring in linux 6.15-rc.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Diffstat (limited to 'scripts/gdb/linux/utils.py')
-rw-r--r-- | scripts/gdb/linux/utils.py | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py index 245ab297ea84..03ebdccf5f69 100644 --- a/scripts/gdb/linux/utils.py +++ b/scripts/gdb/linux/utils.py @@ -11,6 +11,11 @@ # This work is licensed under the terms of the GNU GPL version 2. # +import contextlib +import dataclasses +import re +import typing + import gdb @@ -216,3 +221,33 @@ def gdb_eval_or_none(expresssion): return gdb.parse_and_eval(expresssion) except gdb.error: return None + + +@contextlib.contextmanager +def qemu_phy_mem_mode(): + connection = gdb.selected_inferior().connection + orig = connection.send_packet("qqemu.PhyMemMode") + if orig not in b"01": + raise gdb.error("Unexpected qemu.PhyMemMode") + orig = orig.decode() + if connection.send_packet("Qqemu.PhyMemMode:1") != b"OK": + raise gdb.error("Failed to set qemu.PhyMemMode") + try: + yield + finally: + if connection.send_packet("Qqemu.PhyMemMode:" + orig) != b"OK": + raise gdb.error("Failed to restore qemu.PhyMemMode") + + +@dataclasses.dataclass +class VmCore: + kerneloffset: typing.Optional[int] + + +def parse_vmcore(s): + match = re.search(r"KERNELOFFSET=([0-9a-f]+)", s) + if match is None: + kerneloffset = None + else: + kerneloffset = int(match.group(1), 16) + return VmCore(kerneloffset=kerneloffset) |