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Debug: fixes for Nuttx.py debug gdb add-ons 

also fixed preceding mask calculation in show heaps
This commit is contained in:
Andrew Tridgell 2014-04-26 21:11:53 +10:00 committed by Lorenz Meier
parent ad77ba2642
commit e9c94fa581
1 changed files with 10 additions and 6 deletions
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16
Debug/Nuttx.py
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@ -306,12 +306,15 @@ class NX_show_heap (gdb.Command):
def __init__(self):
super(NX_show_heap, self).__init__('show heap', gdb.COMMAND_USER)
if gdb.lookup_type('struct mm_allocnode_s').sizeof == 8:
self._allocflag = 0x80000000
self._allocnodesize = 8
else:
struct_mm_allocnode_s = gdb.lookup_type('struct mm_allocnode_s')
preceding_size = struct_mm_allocnode_s['preceding'].type.sizeof
if preceding_size == 2:
self._allocflag = 0x8000
self._allocnodesize = 4
elif preceding_size == 4:
self._allocflag = 0x80000000
else:
raise gdb.GdbError('invalid mm_allocnode_s.preceding size %u' % preceding_size)
self._allocnodesize = struct_mm_allocnode_s.sizeof
def _node_allocated(self, allocnode):
if allocnode['preceding'] & self._allocflag:
@ -333,7 +336,8 @@ class NX_show_heap (gdb.Command):
state = ''
else:
state = '(free)'
print ' {} {} {}'.format(allocnode.address + 8, self._node_size(allocnode), state)
print ' {} {} {}'.format(allocnode.address + self._allocnodesize,
self._node_size(allocnode), state)
cursor += self._node_size(allocnode) / self._allocnodesize
def invoke(self, args, from_tty):