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gdb/python: Update the support to a recent RTEMS.

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This commit is contained in:
Chris Johns
2015-03-17 13:11:57 +11:00
parent a30ec562fc
commit b117be8e1f
7 changed files with 512 additions and 85 deletions
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35
tools/gdb/python/chains.py
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@@ -37,7 +37,18 @@ class node:
"""Manage the Chain_Node."""
def __init__(self, node_val):
self.node_val = node_val
if node_val:
if node_val.type.code == gdb.TYPE_CODE_PTR:
self.reference = node_val
self.node_val = node_val.dereference()
else:
self.node_val = node_val
self.reference = node_val.address
else:
self.node_val = node_val
def __str__(self):
return self.to_string()
def null(self):
if not self.node_val:
@@ -46,11 +57,11 @@ class node:
def next(self):
if not self.null():
self.node_val = self.node_val['next']
return self.node_val['next']
def previous(self):
if not self.null():
self.node_val = self.node_val['previous']
return self.node_val['previous']
def cast(self, typename):
if not self.null():
@@ -59,21 +70,31 @@ class node:
return None
def to_string(self):
return self.node_val['next'] + "Prev: "+self.node_val['previous']
if self.null():
return 'NULL'
return 'Node:%s Next:%s Prev:%s' % (self.reference,
self.node_val['next'],
self.node_val['previous'])
class control:
"""Manage the Chain_Control."""
def __init__(self, ctrl):
self.ctrl = ctrl
if ctrl.type.code == gdb.TYPE_CODE_PTR:
self.reference = ctrl
self.ctrl = ctrl.dereference()
else:
self.ctrl = ctrl
self.reference = ctrl.address
def first(self):
t = node(self.ctrl['Head']['Node'])
return t
def last(self):
def tail(self):
return node(self.ctrl['Tail']['Node'])
def empty(self):
if self.last() == self.first().next():
if self.tail().previous() == self.reference:
return True
return False