diff options
Diffstat (limited to 'scripts/gdb/linux/proc.py')
| -rw-r--r-- | scripts/gdb/linux/proc.py | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/scripts/gdb/linux/proc.py b/scripts/gdb/linux/proc.py index 0aebd7565b03..65dd1bd12964 100644 --- a/scripts/gdb/linux/proc.py +++ b/scripts/gdb/linux/proc.py @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # gdb helper commands and functions for Linux kernel debugging # @@ -16,6 +17,8 @@ from linux import constants from linux import utils from linux import tasks from linux import lists +from linux import vfs +from linux import rbtree from struct import * @@ -29,6 +32,7 @@ class LxCmdLine(gdb.Command): def invoke(self, arg, from_tty): gdb.write(gdb.parse_and_eval("saved_command_line").string() + "\n") + LxCmdLine() @@ -43,6 +47,7 @@ class LxVersion(gdb.Command): # linux_banner should contain a newline gdb.write(gdb.parse_and_eval("(char *)linux_banner").string()) + LxVersion() @@ -86,6 +91,7 @@ Equivalent to cat /proc/iomem on a running target""" def invoke(self, arg, from_tty): return show_lx_resources("iomem_resource") + LxIOMem() @@ -100,6 +106,7 @@ Equivalent to cat /proc/ioports on a running target""" def invoke(self, arg, from_tty): return show_lx_resources("ioport_resource") + LxIOPorts() @@ -114,11 +121,11 @@ def info_opts(lst, opt): return opts -FS_INFO = {constants.LX_MS_SYNCHRONOUS: ",sync", - constants.LX_MS_MANDLOCK: ",mand", - constants.LX_MS_DIRSYNC: ",dirsync", - constants.LX_MS_NOATIME: ",noatime", - constants.LX_MS_NODIRATIME: ",nodiratime"} +FS_INFO = {constants.LX_SB_SYNCHRONOUS: ",sync", + constants.LX_SB_MANDLOCK: ",mand", + constants.LX_SB_DIRSYNC: ",dirsync", + constants.LX_SB_NOATIME: ",noatime", + constants.LX_SB_NODIRATIME: ",nodiratime"} MNT_INFO = {constants.LX_MNT_NOSUID: ",nosuid", constants.LX_MNT_NODEV: ",nodev", @@ -149,7 +156,7 @@ values of that process namespace""" if len(argv) >= 1: try: pid = int(argv[0]) - except: + except gdb.error: raise gdb.GdbError("Provide a PID as integer value") else: pid = 1 @@ -163,16 +170,18 @@ values of that process namespace""" if not namespace: raise gdb.GdbError("No namespace for current process") - for vfs in lists.list_for_each_entry(namespace['list'], - mount_ptr_type, "mnt_list"): - devname = vfs['mnt_devname'].string() + gdb.write("{:^18} {:^15} {:>9} {} {} options\n".format( + "mount", "super_block", "devname", "pathname", "fstype")) + + for mnt in rbtree.rb_inorder_for_each_entry(namespace['mounts'], mount_ptr_type, "mnt_node"): + devname = mnt['mnt_devname'].string() devname = devname if devname else "none" pathname = "" - parent = vfs + parent = mnt while True: mntpoint = parent['mnt_mountpoint'] - pathname = utils.dentry_name(mntpoint) + pathname + pathname = vfs.dentry_name(mntpoint) + pathname if (parent == parent['mnt_parent']): break parent = parent['mnt_parent'] @@ -180,20 +189,17 @@ values of that process namespace""" if (pathname == ""): pathname = "/" - superblock = vfs['mnt']['mnt_sb'] + superblock = mnt['mnt']['mnt_sb'] fstype = superblock['s_type']['name'].string() s_flags = int(superblock['s_flags']) - m_flags = int(vfs['mnt']['mnt_flags']) - rd = "ro" if (s_flags & constants.LX_MS_RDONLY) else "rw" - - gdb.write( - "{} {} {} {}{}{} 0 0\n" - .format(devname, - pathname, - fstype, - rd, - info_opts(FS_INFO, s_flags), - info_opts(MNT_INFO, m_flags))) + m_flags = int(mnt['mnt']['mnt_flags']) + rd = "ro" if (s_flags & constants.LX_SB_RDONLY) else "rw" + + gdb.write("{} {} {} {} {} {}{}{} 0 0\n".format( + mnt.format_string(), superblock.format_string(), devname, + pathname, fstype, rd, info_opts(FS_INFO, s_flags), + info_opts(MNT_INFO, m_flags))) + LxMounts() @@ -259,7 +265,7 @@ class LxFdtDump(gdb.Command): try: f = open(filename, 'wb') - except: + except gdb.error: raise gdb.GdbError("Could not open file to dump fdt") f.write(fdt_buf) @@ -267,4 +273,5 @@ class LxFdtDump(gdb.Command): gdb.write("Dumped fdt blob to " + filename + "\n") + LxFdtDump() |