#!/usr/bin/env python
# SPDX-License-Identifier: GPL-2.0
# libxed.py: Python wrapper for libxed.so
# Copyright (c) 2014-2021, Intel Corporation.

# To use Intel XED, libxed.so must be present. To build and install
# libxed.so:
#            git clone https://github.com/intelxed/mbuild.git mbuild
#            git clone https://github.com/intelxed/xed
#            cd xed
#            ./mfile.py --share
#            sudo ./mfile.py --prefix=/usr/local install
#            sudo ldconfig
#

import sys

from ctypes import CDLL, Structure, create_string_buffer, addressof, sizeof, \
		   c_void_p, c_bool, c_byte, c_char, c_int, c_uint, c_longlong, c_ulonglong

# XED Disassembler

class xed_state_t(Structure):

	_fields_ = [
		("mode", c_int),
		("width", c_int)
	]

class XEDInstruction():

	def __init__(self, libxed):
		# Current xed_decoded_inst_t structure is 192 bytes. Use 512 to allow for future expansion
		xedd_t = c_byte * 512
		self.xedd = xedd_t()
		self.xedp = addressof(self.xedd)
		libxed.xed_decoded_inst_zero(self.xedp)
		self.state = xed_state_t()
		self.statep = addressof(self.state)
		# Buffer for disassembled instruction text
		self.buffer = create_string_buffer(256)
		self.bufferp = addressof(self.buffer)

class LibXED():

	def __init__(self):
		try:
			self.libxed = CDLL("libxed.so")
		except:
			self.libxed = None
		if not self.libxed:
			self.libxed = CDLL("/usr/local/lib/libxed.so")

		self.xed_tables_init = self.libxed.xed_tables_init
		self.xed_tables_init.restype = None
		self.xed_tables_init.argtypes = []

		self.xed_decoded_inst_zero = self.libxed.xed_decoded_inst_zero
		self.xed_decoded_inst_zero.restype = None
		self.xed_decoded_inst_zero.argtypes = [ c_void_p ]

		self.xed_operand_values_set_mode = self.libxed.xed_operand_values_set_mode
		self.xed_operand_values_set_mode.restype = None
		self.xed_operand_values_set_mode.argtypes = [ c_void_p, c_void_p ]

		self.xed_decoded_inst_zero_keep_mode = self.libxed.xed_decoded_inst_zero_keep_mode
		self.xed_decoded_inst_zero_keep_mode.restype = None
		self.xed_decoded_inst_zero_keep_mode.argtypes = [ c_void_p ]

		self.xed_decode = self.libxed.xed_decode
		self.xed_decode.restype = c_int
		self.xed_decode.argtypes = [ c_void_p, c_void_p, c_uint ]

		self.xed_format_context = self.libxed.xed_format_context
		self.xed_format_context.restype = c_uint
		self.xed_format_context.argtypes = [ c_int, c_void_p, c_void_p, c_int, c_ulonglong, c_void_p, c_void_p ]

		self.xed_tables_init()

	def Instruction(self):
		return XEDInstruction(self)

	def SetMode(self, inst, mode):
		if mode:
			inst.state.mode = 4 # 32-bit
			inst.state.width = 4 # 4 bytes
		else:
			inst.state.mode = 1 # 64-bit
			inst.state.width = 8 # 8 bytes
		self.xed_operand_values_set_mode(inst.xedp, inst.statep)

	def DisassembleOne(self, inst, bytes_ptr, bytes_cnt, ip):
		self.xed_decoded_inst_zero_keep_mode(inst.xedp)
		err = self.xed_decode(inst.xedp, bytes_ptr, bytes_cnt)
		if err:
			return 0, ""
		# Use AT&T mode (2), alternative is Intel (3)
		ok = self.xed_format_context(2, inst.xedp, inst.bufferp, sizeof(inst.buffer), ip, 0, 0)
		if not ok:
			return 0, ""
		if sys.version_info[0] == 2:
			result = inst.buffer.value
		else:
			result = inst.buffer.value.decode()
		# Return instruction length and the disassembled instruction text
		# For now, assume the length is in byte 166
		return inst.xedd[166], result
3.7.y'>linux-3.7.y</option>
<option value='linux-3.8.y'>linux-3.8.y</option>
<option value='linux-3.9.y'>linux-3.9.y</option>
<option value='linux-4.0.y'>linux-4.0.y</option>
<option value='linux-4.1.y'>linux-4.1.y</option>
<option value='linux-4.10.y'>linux-4.10.y</option>
<option value='linux-4.11.y'>linux-4.11.y</option>
<option value='linux-4.12.y'>linux-4.12.y</option>
<option value='linux-4.13.y'>linux-4.13.y</option>
<option value='linux-4.14.y'>linux-4.14.y</option>
<option value='linux-4.15.y'>linux-4.15.y</option>
<option value='linux-4.16.y'>linux-4.16.y</option>
<option value='linux-4.17.y'>linux-4.17.y</option>
<option value='linux-4.18.y'>linux-4.18.y</option>
<option value='linux-4.19.y'>linux-4.19.y</option>
<option value='linux-4.2.y'>linux-4.2.y</option>
<option value='linux-4.20.y'>linux-4.20.y</option>
<option value='linux-4.3.y'>linux-4.3.y</option>
<option value='linux-4.4.y'>linux-4.4.y</option>
<option value='linux-4.5.y'>linux-4.5.y</option>
<option value='linux-4.6.y'>linux-4.6.y</option>
<option value='linux-4.7.y'>linux-4.7.y</option>
<option value='linux-4.8.y'>linux-4.8.y</option>
<option value='linux-4.9.y'>linux-4.9.y</option>
<option value='linux-5.0.y'>linux-5.0.y</option>
<option value='linux-5.1.y'>linux-5.1.y</option>
<option value='linux-5.10.y'>linux-5.10.y</option>
<option value='linux-5.11.y'>linux-5.11.y</option>
<option value='linux-5.12.y'>linux-5.12.y</option>
<option value='linux-5.13.y'>linux-5.13.y</option>
<option value='linux-5.14.y'>linux-5.14.y</option>
<option value='linux-5.15.y'>linux-5.15.y</option>
<option value='linux-5.16.y'>linux-5.16.y</option>
<option value='linux-5.17.y'>linux-5.17.y</option>
<option value='linux-5.18.y'>linux-5.18.y</option>
<option value='linux-5.19.y'>linux-5.19.y</option>
<option value='linux-5.2.y'>linux-5.2.y</option>
<option value='linux-5.3.y'>linux-5.3.y</option>
<option value='linux-5.4.y'>linux-5.4.y</option>
<option value='linux-5.5.y'>linux-5.5.y</option>
<option value='linux-5.6.y'>linux-5.6.y</option>
<option value='linux-5.7.y'>linux-5.7.y</option>
<option value='linux-5.8.y'>linux-5.8.y</option>
<option value='linux-5.9.y'>linux-5.9.y</option>
<option value='linux-6.0.y'>linux-6.0.y</option>
<option value='linux-6.1.y'>linux-6.1.y</option>
<option value='linux-6.10.y'>linux-6.10.y</option>
<option value='linux-6.11.y'>linux-6.11.y</option>
<option value='linux-6.12.y' selected='selected'>linux-6.12.y</option>
<option value='linux-6.13.y'>linux-6.13.y</option>
<option value='linux-6.14.y'>linux-6.14.y</option>
<option value='linux-6.15.y'>linux-6.15.y</option>
<option value='linux-6.16.y'>linux-6.16.y</option>
<option value='linux-6.17.y'>linux-6.17.y</option>
<option value='linux-6.18.y'>linux-6.18.y</option>
<option value='linux-6.19.y'>linux-6.19.y</option>
<option value='linux-6.2.y'>linux-6.2.y</option>
<option value='linux-6.3.y'>linux-6.3.y</option>
<option value='linux-6.4.y'>linux-6.4.y</option>
<option value='linux-6.5.y'>linux-6.5.y</option>
<option value='linux-6.6.y'>linux-6.6.y</option>
<option value='linux-6.7.y'>linux-6.7.y</option>
<option value='linux-6.8.y'>linux-6.8.y</option>
<option value='linux-6.9.y'>linux-6.9.y</option>
<option value='linux-rolling-lts'>linux-rolling-lts</option>
<option value='linux-rolling-stable'>linux-rolling-stable</option>
<option value='master'>master</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Hosts the 0x221E linux distro kernel.</td><td class='sub right'>Ubuntu</td></tr></table>
<table class='tabs'><tr><td>
<a href='/distro/kernel/?h=linux-6.12.y'>summary</a><a href='/distro/kernel/refs/?h=linux-6.12.y&amp;id=b99cf44daacfd5c104cc1956d2a4479e5653708a'>refs</a><a class='active' href='/distro/kernel/log/fs/Kconfig?h=linux-6.12.y'>log</a><a href='/distro/kernel/tree/fs/Kconfig?h=linux-6.12.y&amp;id=b99cf44daacfd5c104cc1956d2a4479e5653708a'>tree</a><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=b99cf44daacfd5c104cc1956d2a4479e5653708a'>commit</a><a href='/distro/kernel/diff/fs/Kconfig?h=linux-6.12.y&amp;id=b99cf44daacfd5c104cc1956d2a4479e5653708a'>diff</a></td><td class='form'><form class='right' method='get' action='/distro/kernel/log/fs/Kconfig'>
<input type='hidden' name='h' value='linux-6.12.y'/><input type='hidden' name='id' value='b99cf44daacfd5c104cc1956d2a4479e5653708a'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/distro/kernel/log/?h=linux-6.12.y&amp;id=b99cf44daacfd5c104cc1956d2a4479e5653708a'>root</a>/<a href='/distro/kernel/log/fs?h=linux-6.12.y&amp;id=b99cf44daacfd5c104cc1956d2a4479e5653708a'>fs</a>/<a href='/distro/kernel/log/fs/Kconfig?h=linux-6.12.y&amp;id=b99cf44daacfd5c104cc1956d2a4479e5653708a'>Kconfig</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/distro/kernel/log/fs/Kconfig?h=linux-6.12.y&amp;id=b99cf44daacfd5c104cc1956d2a4479e5653708a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2025-04-25 10:47:50 +0200'>2025-04-25</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=33c0f51f1a8d48d0858b1b82d6c80627f4a3551f'>nfs: add missing selections of CONFIG_CRC32</a></td><td>Eric Biggers</td></tr>
<tr><td><span title='2024-10-03 16:19:51 -0400'>2024-10-03</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=009b15b5748549fec4f40f1142ce644a27ddc265'>nfs_common: fix Kconfig for NFS_COMMON_LOCALIO_SUPPORT</a></td><td>Mike Snitzer</td></tr>
<tr><td><span title='2024-09-24 15:44:18 -0700'>2024-09-24</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=684a64bf32b6e488004e0ad7f0d7e922798f65b6'>Merge tag 'nfs-for-6.12-1' of git://git.linux-nfs.org/projects/anna/linux-nfs</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2024-09-23 15:03:30 -0400'>2024-09-23</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=2a33a85be45178198245e1f656e6224c899895e4'>nfs_common: add NFS LOCALIO auxiliary protocol enablement</a></td><td>Mike Snitzer</td></tr>
<tr><td><span title='2024-09-01 20:25:51 -0700'>2024-09-01</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=188cac58a8bcdf82c7f63275b68f7a46871e45d6'>mm/hugetlb: enforce that PMD PT sharing has split PMD PT locks</a></td><td>David Hildenbrand</td></tr>
<tr><td><span title='2024-03-14 17:43:30 -0700'>2024-03-14</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=902861e34c401696ed9ad17a54c8790e7e8e3069'>Merge tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2024-03-13 12:53:53 -0700'>2024-03-13</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=9d9539db8638cfe053fcd1f441746f0e2c8c2d32'>pidfs: remove config option</a></td><td>Christian Brauner</td></tr>
<tr><td><span title='2024-03-11 10:21:06 -0700'>2024-03-11</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=b5683a37c881e2e08065f1670086e281430ee19f'>Merge tag 'vfs-6.9.pidfd' of git://git.kernel.org/pub/scm/linux/kernel/git/vf...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2024-03-06 13:04:17 -0800'>2024-03-06</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=26d1dc6bb2305cd64dc0cd18e5773cbbcec41bb1'>hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA</a></td><td>Gang Li</td></tr>
<tr><td><span title='2024-03-01 12:23:37 +0100'>2024-03-01</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=cb12fd8e0dabb9a1c8aef55a6a41e2c255fcdf4b'>pidfd: add pidfs</a></td><td>Christian Brauner</td></tr>
<tr><td><span title='2024-02-22 15:27:19 -0800'>2024-02-22</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=1df4ca0155acb37b9b1d03ab91323d70a309ff54'>dax: check for data cache aliasing at runtime</a></td><td>Mathieu Desnoyers</td></tr>
<tr><td><span title='2024-01-24 10:47:00 +0100'>2024-01-24</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89'>fs: Remove NTFS classic</a></td><td>Matthew Wilcox (Oracle)</td></tr>
<tr><td><span title='2024-01-19 09:10:23 -0800'>2024-01-19</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=16df6e07d6a88dc3049a5674654ed44dfbc74d81'>Merge tag 'vfs-6.8.netfs' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2024-01-09 11:18:47 -0800'>2024-01-09</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=fb46e22a9e3863e08aef8815df9f17d0f4b9aede'>Merge tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2024-01-08 11:11:51 -0800'>2024-01-08</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=bb93c5ed457fe76597c14717eb994fc5aef22716'>Merge tag 'vfs-6.8.rw' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2023-12-24 11:36:00 +0000'>2023-12-24</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=47757ea83a545536cdd418fec84b7a970710e48b'>netfs, fscache: Move fs/fscache/* into fs/netfs/</a></td><td>David Howells</td></tr>
<tr><td><span title='2023-12-23 16:35:08 +0200'>2023-12-23</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=f91a704f7161c2cf0fcd41fa9fbec4355b813fff'>fs: prepare for stackable filesystems backing file helpers</a></td><td>Amir Goldstein</td></tr>
<tr><td><span title='2023-12-10 16:51:51 -0800'>2023-12-10</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=cddba0af0b7919e93134469f6fdf29a7d362768a'>fs/Kconfig: make hugetlbfs a menuconfig</a></td><td>Peter Xu</td></tr>
<tr><td><span title='2023-12-06 16:12:49 -0800'>2023-12-06</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=4a3ef6be03e6700037fc20e63aa5ffd972e435ca'>mm/hugetlb: have CONFIG_HUGETLB_PAGE select CONFIG_XARRAY_MULTI</a></td><td>Sidhartha Kumar</td></tr>
<tr><td><span title='2023-11-01 15:28:33 -1000'>2023-11-01</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=1e0c505e13162a2abe7c984309cfe2ae976b428d'>Merge tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2023-10-22 17:08:07 -0400'>2023-10-22</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=1c6fdbd8f2465ddfb73a01ec620cbf3d14044e1a'>bcachefs: Initial commit</a></td><td>Kent Overstreet</td></tr>
<tr><td><span title='2023-09-11 08:13:17 +0000'>2023-09-11</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=cf8e8658100d4eae80ce9b21f7a81cb024dd5057'>arch: Remove Itanium (IA-64) architecture</a></td><td>Ard Biesheuvel</td></tr>
<tr><td><span title='2023-08-29 20:21:42 -0700'>2023-08-29</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=3d3dfeb3aec7b612d266d500c82054f1fded4980'>Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2023-08-29 14:25:26 -0700'>2023-08-29</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=b96a3e9142fdf346b05b20e867b4f0dfca119e96'>Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/...</a></td><td>Linus Torvalds</td></tr>
<tr><td><span title='2023-08-18 10:12:54 -0700'>2023-08-18</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=0b6f15824cc7e431a9706c78bfb9cb3011477ad3'>mm/vmemmap optimization: split hugetlb and devdax vmemmap optimization</a></td><td>Aneesh Kumar K.V</td></tr>
<tr><td><span title='2023-08-18 10:12:01 -0700'>2023-08-18</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=626e98cb0366e66bdc2088918aecabee1fc6c4b2'>mm: make MEMFD_CREATE into a selectable config option</a></td><td>Thomas Weißschuh</td></tr>
<tr><td><span title='2023-08-10 12:06:04 +0200'>2023-08-10</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=2daf18a7884dc03d5164ab9c7dc3f2ea70638469'>tmpfs,xattr: enable limited user extended attributes</a></td><td>Hugh Dickins</td></tr>
<tr><td><span title='2023-08-09 09:15:39 +0200'>2023-08-09</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=eafc474e202978ac735c551d5ee1eb8c02e2be54'>shmem: prepare shmem quota infrastructure</a></td><td>Carlos Maiolino</td></tr>
<tr><td><span title='2023-08-02 09:13:09 -0600'>2023-08-02</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=925c86a19bacf8ce10eb666328fb3fa5aff7b951'>fs: add CONFIG_BUFFER_HEAD</a></td><td>Christoph Hellwig</td></tr>
<tr><td><span title='2023-05-24 16:29:21 -0500'>2023-05-24</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=38c8a9a52082579090e34c033d439ed2cd1a462d'>smb: move client and server files to common directory fs/smb</a></td><td>Steve French</td></tr>
<tr><td><span title='2023-04-18 16:30:09 -0700'>2023-04-18</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=0b376f1e0ff555435597fa16823ae0f30b2883e3'>mm/hugetlb_vmemmap: rename ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP</a></td><td>Aneesh Kumar K.V</td></tr>
<tr><td><span title='2023-01-26 10:30:56 -0700'>2023-01-26</span></td><td><a href='/distro/kernel/commit/fs/Kconfig?h=linux-6.12.y&amp;id=9636e650e16f6b01f0044f7662074958c23e4707'>fs: build the legacy direct I/O code conditionally</a></td><td>Christoph Hellwig</td></tr>