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scripts: elf_helper.py: run through flake8

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Follow pep8 style based on flake8 script.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2018-09-16 14:52:34 -05:00
commit 6af68b3623
1 changed files with 8 additions and 16 deletions
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24
scripts/elf_helper.py
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@ -5,15 +5,12 @@
# SPDX-License-Identifier: Apache-2.0
import sys
import argparse
import pprint
import os
import struct
from distutils.version import LooseVersion
import elftools
from elftools.elf.elffile import ELFFile
from elftools.dwarf import descriptions
from elftools.elf.sections import SymbolTableSection
if LooseVersion(elftools.__version__) < LooseVersion('0.24'):
@ -146,13 +143,14 @@ class AggregateTypeMember:
if isinstance(member_offset, list):
# DWARF v2, location encoded as set of operations
# only "DW_OP_plus_uconst" with ULEB128 argument supported
if member_offset[0]==0x23:
if member_offset[0] == 0x23:
self.member_offset = member_offset[1] & 0x7f
for i in range(1, len(member_offset)-1):
if (member_offset[i] & 0x80):
self.member_offset += (member_offset[i+1] & 0x7f) << i*7
self.member_offset += (
member_offset[i+1] & 0x7f) << i*7
else:
debug_die("not yet supported location operation")
self.debug_die("not yet supported location operation")
else:
self.member_offset = member_offset
@ -385,9 +383,6 @@ class ElfHelper:
# Step 1: collect all type information.
for CU in di.iter_CUs():
CU_path = CU.get_top_DIE().get_full_path()
lp = di.line_program_for_CU(CU)
for idx, die in enumerate(CU.iter_DIEs()):
# Unions are disregarded, kernel objects should never be union
# members since the memory is not dedicated to that object and
@ -454,7 +449,7 @@ class ElfHelper:
# Check if frame pointer offset DW_OP_fbreg
if opcode == DW_OP_fbreg:
self.debug_die(die, "kernel object '%s' found on stack" %
name)
name)
else:
self.debug_die(
die,
@ -470,7 +465,7 @@ class ElfHelper:
continue
if ((addr < kram_start or addr >= kram_end) and
(addr < krom_start or addr >= krom_end)):
(addr < krom_start or addr >= krom_end)):
self.debug_die(die,
"object '%s' found in invalid location %s"
@ -481,8 +476,8 @@ class ElfHelper:
objs = type_obj.get_kobjects(addr)
all_objs.update(objs)
self.debug("symbol '%s' at %s contains %d object(s)" % (name,
hex(addr), len(objs)))
self.debug("symbol '%s' at %s contains %d object(s)"
% (name, hex(addr), len(objs)))
# Step 4: objs is a dictionary mapping variable memory addresses to
# their associated type objects. Now that we have seen all variables
@ -541,6 +536,3 @@ class ElfHelper:
def get_thread_counter(self):
return thread_counter
if __name__ == '__main__':
sys.exit(main(sys.argv))