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# *****************************************************************************
# * Copyright (c) 2011, 2013 Wind River Systems, Inc. and others.
# * All rights reserved. This program and the accompanying materials
# * are made available under the terms of the Eclipse Public License v1.0
# * which accompanies this distribution, and is available at
# * http://www.eclipse.org/legal/epl-v10.html
# *
# * Contributors:
# * Wind River Systems - initial API and implementation
# *****************************************************************************
"""Line numbers service associates locations in the source files with the
corresponding machine instruction addresses in the executable object.
Service Methods
---------------
.. autodata:: NAME
.. autoclass:: LineNumbersService
getName
^^^^^^^
.. automethod:: LineNumbersService.getName
mapToMemory
^^^^^^^^^^^
.. automethod:: LineNumbersService.mapToMemory
mapToSource
^^^^^^^^^^^
.. automethod:: LineNumbersService.mapToSource
Callback Classes
----------------
DoneMapToMemory
^^^^^^^^^^^^^^^
.. autoclass:: DoneMapToMemory
:members:
DoneMapToSource
^^^^^^^^^^^^^^^
.. autoclass:: DoneMapToSource
:members:
Helper Classes
--------------
CodeArea
^^^^^^^^
.. autoclass:: CodeArea
:members:
"""
from .. import services
NAME = "LineNumbers"
"""LineNumbers service name."""
class CodeArea(object):
"""A CodeArea represents a continues area in source text mapped to
continues range of code addresses.
Line and columns are counted starting from 1.
File name can be a relative path, in this case the client should use the
CodeArea directory name as origin for the path.
File and directory names are valid on a host where code was compiled.
It is client responsibility to map names to local host file system.
"""
def __init__(self, directory, file, start_line, # @ReservedAssignment
start_column, end_line, end_column, start_address,
end_address, isa, is_statement, basic_block, prologue_end,
epilogue_begin):
self.directory = directory
self.file = file
self.start_line = start_line
self.start_column = start_column
self.end_line = end_line
self.end_column = end_column
self.start_address = start_address
self.end_address = end_address
self.isa = isa
self.is_statement = is_statement
self.basic_block = basic_block
self.prologue_end = prologue_end
self.epilogue_begin = epilogue_begin
def __eq__(self, o):
if self is o:
return True
if not isinstance(o, CodeArea):
return False
if self.start_line != o.start_line:
return False
if self.start_column != o.start_column:
return False
if self.end_line != o.end_line:
return False
if self.end_column != o.end_column:
return False
if self.isa != o.isa:
return False
if self.is_statement != o.is_statement:
return False
if self.basic_block != o.basic_block:
return False
if self.prologue_end != o.prologue_end:
return False
if self.epilogue_begin != o.epilogue_begin:
return False
if self.start_address != o.start_address:
return False
if self.end_address != o.end_address:
return False
if self.file != o.file:
return False
if self.directory != o.directory:
return False
return True
def __hash__(self):
h = 0
if self.file:
h += hash(self.file)
return h + self.start_line + self.start_column + self.end_line + \
self.end_column
def __str__(self):
import cStringIO
bf = cStringIO.StringIO()
bf.write('[')
if self.directory:
bf.write(self.directory)
bf.write(':')
if self.file:
bf.write(self.file)
bf.write(':')
bf.write(str(self.start_line))
if self.start_column:
bf.write('.')
bf.write(str(self.start_column))
bf.write("..")
bf.write(str(self.end_line))
if self.end_column:
bf.write('.')
bf.write(str(self.end_column))
bf.write(" -> ")
if self.start_address:
bf.write("0x")
bf.write(hex(self.start_address))
else:
bf.write('0')
bf.write("..")
if self.end_address:
bf.write("0x")
bf.write(hex(self.end_address))
else:
bf.write('0')
if self.isa:
bf.write(",isa ")
bf.write(str(self.isa))
if self.is_statement:
bf.write(",statement")
if self.basic_block:
bf.write(",basic block")
if self.prologue_end:
bf.write(",prologue end")
if self.epilogue_begin:
bf.write(",epilogue begin")
bf.write(']')
return bf.getvalue()
class LineNumbersService(services.Service):
"""TCF LineNumbers service interface."""
def getName(self):
"""Get this service name.
:returns: The value of string :const:`NAME`
"""
return NAME
def mapToSource(self, context_id, start_address, end_address, done):
"""Get the line numbers source for a context ID and a memory address.
:param context_id: ID of the context to get source map for.
:type context_id: |basestring|
:param start_address: Memory start address to get source map for.
:type start_address: |int|
:param end_address: Memory end address to get source map for.
:type end_address: |int|
:param done: Call back interface called when operation is completed
:type done: :class:`DoneMapToSource`
"""
raise NotImplementedError("Abstract method")
def mapToMemory(self, context_id, fileName, line, column, done):
"""Get the the memory address of a context ID for a given file and line
number.
:param context_id: ID of the context to get source map for.
:type context_id: |basestring|
:param fileName: Name of the file to map memory for.
:type fileName: |basestring|
:param line: Source file line to map to a memory address.
:type line: |int|
:param column: Source file column to map to a memory address.
:type column: |int|
:param done: Call back interface called when operation is completed.
:type done: :class:`DoneMapToMemory`
"""
raise NotImplementedError("Abstract method")
class DoneMapToSource(object):
"""
Client callback interface for :meth:`~LineNumbersService.mapToSource`.
"""
def doneMapToSource(self, token, error, areas):
"""Called when context data retrieval is done.
:param token: pending command handle
:param error: error description if operation failed, **None** if
succeeded.
:param areas: A |list| of :class:`CodeArea` objects.
"""
pass
class DoneMapToMemory(object):
"""
Client callback interface for :meth:`~LineNumbersService.mapToMemory`.
"""
def doneMapToMemory(self, token, error, areas):
"""Called when context data retrieval is done.
:param token: Pending command handle.
:param error: Error description if operation failed, **None** if
succeeded.
:param areas: A |list| of :class:`CodeArea` objects.
"""
pass
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