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-rw-r--r--scripts/gdb/linux/.gitignore1
-rw-r--r--scripts/gdb/linux/Makefile6
-rw-r--r--scripts/gdb/linux/constants.py.in7
-rw-r--r--scripts/gdb/linux/radixtree.py97
-rw-r--r--scripts/gdb/linux/symbols.py2
-rw-r--r--scripts/gdb/vmlinux-gdb.py1
6 files changed, 6 insertions, 108 deletions
diff --git a/scripts/gdb/linux/.gitignore b/scripts/gdb/linux/.gitignore
index 52e4e61140d1..2573543842d0 100644
--- a/scripts/gdb/linux/.gitignore
+++ b/scripts/gdb/linux/.gitignore
@@ -1,2 +1,3 @@
*.pyc
*.pyo
+constants.py
diff --git a/scripts/gdb/linux/Makefile b/scripts/gdb/linux/Makefile
index cd129e65d1ff..8b00031f5349 100644
--- a/scripts/gdb/linux/Makefile
+++ b/scripts/gdb/linux/Makefile
@@ -13,9 +13,11 @@ quiet_cmd_gen_constants_py = GEN $@
$(CPP) -E -x c -P $(c_flags) $< > $@ ;\
sed -i '1,/<!-- end-c-headers -->/d;' $@
-$(obj)/constants.py: $(SRCTREE)/$(obj)/constants.py.in
- $(call if_changed,gen_constants_py)
+targets += constants.py
+$(obj)/constants.py: $(SRCTREE)/$(obj)/constants.py.in FORCE
+ $(call if_changed_dep,gen_constants_py)
build_constants_py: $(obj)/constants.py
+ @:
clean-files := *.pyc *.pyo $(if $(KBUILD_SRC),*.py) $(obj)/constants.py
diff --git a/scripts/gdb/linux/constants.py.in b/scripts/gdb/linux/constants.py.in
index 07e6c2befe36..7986f4e0da12 100644
--- a/scripts/gdb/linux/constants.py.in
+++ b/scripts/gdb/linux/constants.py.in
@@ -14,7 +14,6 @@
#include <linux/fs.h>
#include <linux/mount.h>
-#include <linux/radix-tree.h>
/* We need to stringify expanded macros so that they can be parsed */
@@ -51,9 +50,3 @@ LX_VALUE(MNT_NOEXEC)
LX_VALUE(MNT_NOATIME)
LX_VALUE(MNT_NODIRATIME)
LX_VALUE(MNT_RELATIME)
-
-/* linux/radix-tree.h */
-LX_VALUE(RADIX_TREE_INDIRECT_PTR)
-LX_GDBPARSED(RADIX_TREE_HEIGHT_MASK)
-LX_GDBPARSED(RADIX_TREE_MAP_SHIFT)
-LX_GDBPARSED(RADIX_TREE_MAP_MASK)
diff --git a/scripts/gdb/linux/radixtree.py b/scripts/gdb/linux/radixtree.py
deleted file mode 100644
index 0fdef4e2971a..000000000000
--- a/scripts/gdb/linux/radixtree.py
+++ /dev/null
@@ -1,97 +0,0 @@
-#
-# gdb helper commands and functions for Linux kernel debugging
-#
-# Radix Tree Parser
-#
-# Copyright (c) 2016 Linaro Ltd
-#
-# Authors:
-# Kieran Bingham <kieran.bingham@linaro.org>
-#
-# This work is licensed under the terms of the GNU GPL version 2.
-#
-
-import gdb
-
-from linux import utils
-from linux import constants
-
-radix_tree_root_type = utils.CachedType("struct radix_tree_root")
-radix_tree_node_type = utils.CachedType("struct radix_tree_node")
-
-
-def is_indirect_ptr(node):
- long_type = utils.get_long_type()
- return (node.cast(long_type) & constants.LX_RADIX_TREE_INDIRECT_PTR)
-
-
-def indirect_to_ptr(node):
- long_type = utils.get_long_type()
- node_type = node.type
- indirect_ptr = node.cast(long_type) & ~constants.LX_RADIX_TREE_INDIRECT_PTR
- return indirect_ptr.cast(node_type)
-
-
-def maxindex(height):
- height = height & constants.LX_RADIX_TREE_HEIGHT_MASK
- return gdb.parse_and_eval("height_to_maxindex["+str(height)+"]")
-
-
-def lookup(root, index):
- if root.type == radix_tree_root_type.get_type().pointer():
- root = root.dereference()
- elif root.type != radix_tree_root_type.get_type():
- raise gdb.GdbError("Must be struct radix_tree_root not {}"
- .format(root.type))
-
- node = root['rnode']
- if node is 0:
- return None
-
- if not (is_indirect_ptr(node)):
- if (index > 0):
- return None
- return node
-
- node = indirect_to_ptr(node)
-
- height = node['path'] & constants.LX_RADIX_TREE_HEIGHT_MASK
- if (index > maxindex(height)):
- return None
-
- shift = (height-1) * constants.LX_RADIX_TREE_MAP_SHIFT
-
- while True:
- new_index = (index >> shift) & constants.LX_RADIX_TREE_MAP_MASK
- slot = node['slots'][new_index]
-
- node = slot.cast(node.type.pointer()).dereference()
- if node is 0:
- return None
-
- shift -= constants.LX_RADIX_TREE_MAP_SHIFT
- height -= 1
-
- if (height <= 0):
- break
-
- return node
-
-
-class LxRadixTree(gdb.Function):
- """ Lookup and return a node from a RadixTree.
-
-$lx_radix_tree_lookup(root_node [, index]): Return the node at the given index.
-If index is omitted, the root node is dereferenced and returned."""
-
- def __init__(self):
- super(LxRadixTree, self).__init__("lx_radix_tree_lookup")
-
- def invoke(self, root, index=0):
- result = lookup(root, index)
- if result is None:
- raise gdb.GdbError("No entry in tree at index {}".format(index))
-
- return result
-
-LxRadixTree()
diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py
index 9a0f8923f67c..004b0ac7fa72 100644
--- a/scripts/gdb/linux/symbols.py
+++ b/scripts/gdb/linux/symbols.py
@@ -153,7 +153,7 @@ lx-symbols command."""
saved_state['breakpoint'].enabled = saved_state['enabled']
def invoke(self, arg, from_tty):
- self.module_paths = arg.split()
+ self.module_paths = [os.path.expanduser(p) for p in arg.split()]
self.module_paths.append(os.getcwd())
# enforce update
diff --git a/scripts/gdb/vmlinux-gdb.py b/scripts/gdb/vmlinux-gdb.py
index 3a80ad6eecad..6e0b0afd888a 100644
--- a/scripts/gdb/vmlinux-gdb.py
+++ b/scripts/gdb/vmlinux-gdb.py
@@ -31,4 +31,3 @@ else:
import linux.lists
import linux.proc
import linux.constants
- import linux.radixtree