311 lines
9.7 KiB
Python
311 lines
9.7 KiB
Python
#!/usr/bin/env python3
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#
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# SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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import logging
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import argparse
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import csv
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import os
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import subprocess
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import sys
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import re
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from io import StringIO
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import configuration
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sys.path.append(os.environ['IDF_PATH'] + '/tools/ldgen')
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sys.path.append(os.environ['IDF_PATH'] + '/tools/ldgen/ldgen')
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from entity import EntityDB
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espidf_objdump = None
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def lib_secs(lib, file, lib_path):
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new_env = os.environ.copy()
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new_env['LC_ALL'] = 'C'
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dump = StringIO(subprocess.check_output([espidf_objdump, '-h', lib_path], env=new_env).decode())
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dump.name = lib
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sections_infos = EntityDB()
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sections_infos.add_sections_info(dump)
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secs = sections_infos.get_sections(lib, file.split('.')[0] + '.c')
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if len(secs) == 0:
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secs = sections_infos.get_sections(lib, file.split('.')[0])
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if len(secs) == 0:
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raise ValueError('Failed to get sections from lib %s'%(lib_path))
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return secs
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def filter_secs(secs_a, secs_b):
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new_secs = list()
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for s_a in secs_a:
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for s_b in secs_b:
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if s_b in s_a:
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new_secs.append(s_a)
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return new_secs
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def strip_secs(secs_a, secs_b):
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secs = list(set(secs_a) - set(secs_b))
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secs.sort()
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return secs
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def func2sect(func):
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if ' ' in func:
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func_l = func.split(' ')
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else:
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func_l = list()
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func_l.append(func)
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secs = list()
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for l in func_l:
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if '.iram1.' not in l:
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secs.append('.literal.%s'%(l,))
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secs.append('.text.%s'%(l, ))
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else:
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secs.append(l)
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return secs
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class filter_c:
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def __init__(self, file):
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lines = open(file).read().splitlines()
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self.libs_desc = ''
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self.libs = ''
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for l in lines:
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if ') .iram1 EXCLUDE_FILE(*' in l and ') .iram1.*)' in l:
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desc = '\(EXCLUDE_FILE\((.*)\) .iram1 '
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self.libs_desc = re.search(desc, l)[1]
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self.libs = self.libs_desc.replace('*', '')
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return
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def match(self, lib):
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if lib in self.libs:
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print('Remove lib %s'%(lib))
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return True
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return False
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def add(self):
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return self.libs_desc
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class target_c:
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def __init__(self, lib, lib_path, file, fsecs):
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self.lib = lib
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self.file = file
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self.lib_path = lib_path
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self.fsecs = func2sect(fsecs)
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self.desc = '*%s:%s.*'%(lib, file.split('.')[0])
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secs = lib_secs(lib, file, lib_path)
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if '.iram1.' in self.fsecs[0]:
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self.secs = filter_secs(secs, ('.iram1.', ))
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else:
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self.secs = filter_secs(secs, ('.iram1.', '.text.', '.literal.'))
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self.isecs = strip_secs(self.secs, self.fsecs)
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def __str__(self):
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s = 'lib=%s\nfile=%s\lib_path=%s\ndesc=%s\nsecs=%s\nfsecs=%s\nisecs=%s\n'%(\
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self.lib, self.file, self.lib_path, self.desc, self.secs, self.fsecs,\
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self.isecs)
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return s
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class relink_c:
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def __init__(self, input, library_file, object_file, function_file, sdkconfig_file, missing_function_info):
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self.filter = filter_c(input)
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libraries = configuration.generator(library_file, object_file, function_file, sdkconfig_file, missing_function_info, espidf_objdump)
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self.targets = list()
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for i in libraries.libs:
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lib = libraries.libs[i]
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if self.filter.match(lib.name):
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continue
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for j in lib.objs:
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obj = lib.objs[j]
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self.targets.append(target_c(lib.name, lib.path, obj.name,
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' '.join(obj.sections())))
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# for i in self.targets:
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# print(i)
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self.__transform__()
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def __transform__(self):
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iram1_exclude = list()
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iram1_include = list()
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flash_include = list()
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for t in self.targets:
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secs = filter_secs(t.fsecs, ('.iram1.', ))
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if len(secs) > 0:
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iram1_exclude.append(t.desc)
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secs = filter_secs(t.isecs, ('.iram1.', ))
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if len(secs) > 0:
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iram1_include.append(' %s(%s)'%(t.desc, ' '.join(secs)))
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secs = t.fsecs
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if len(secs) > 0:
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flash_include.append(' %s(%s)'%(t.desc, ' '.join(secs)))
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self.iram1_exclude = ' *(EXCLUDE_FILE(%s %s) .iram1.*) *(EXCLUDE_FILE(%s %s) .iram1)' % \
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(self.filter.add(), ' '.join(iram1_exclude), \
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self.filter.add(), ' '.join(iram1_exclude))
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self.iram1_include = '\n'.join(iram1_include)
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self.flash_include = '\n'.join(flash_include)
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logging.debug('IRAM1 Exclude: %s'%(self.iram1_exclude))
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logging.debug('IRAM1 Include: %s'%(self.iram1_include))
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logging.debug('Flash Include: %s'%(self.flash_include))
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def __replace__(self, lines):
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def is_iram_desc(l):
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if '*(.iram1 .iram1.*)' in l or (') .iram1 EXCLUDE_FILE(*' in l and ') .iram1.*)' in l):
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return True
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return False
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iram_start = False
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flash_done = False
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for i in range(0, len(lines) - 1):
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l = lines[i]
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if '.iram0.text :' in l:
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logging.debug('start to process .iram0.text')
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iram_start = True
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elif '.dram0.data :' in l:
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logging.debug('end to process .iram0.text')
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iram_start = False
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elif is_iram_desc(l):
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if iram_start:
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lines[i] = '%s\n%s\n'%(self.iram1_exclude, self.iram1_include)
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elif '(.stub .gnu.warning' in l:
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if not flash_done:
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lines[i] = '%s\n\n%s'%(self.flash_include, l)
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elif self.flash_include in l:
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flash_done = True
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else:
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if iram_start:
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new_l = self._replace_func(l)
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if new_l:
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lines[i] = new_l
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return lines
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def _replace_func(self, l):
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for t in self.targets:
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if t.desc in l:
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S = '.literal .literal.* .text .text.*'
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if S in l:
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if len(t.isecs) > 0:
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return l.replace(S, ' '.join(t.isecs))
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else:
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return ' '
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S = '%s(%s)'%(t.desc, ' '.join(t.fsecs))
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if S in l:
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return ' '
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replaced = False
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for s in t.fsecs:
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s2 = s + ' '
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if s2 in l:
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l = l.replace(s2, '')
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replaced = True
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s2 = s + ')'
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if s2 in l:
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l = l.replace(s2, ')')
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replaced = True
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if '( )' in l or '()' in l:
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return ' '
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if replaced:
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return l
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else:
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index = '*%s:(EXCLUDE_FILE'%(t.lib)
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if index in l and t.file.split('.')[0] not in l:
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for m in self.targets:
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index = '*%s:(EXCLUDE_FILE'%(m.lib)
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if index in l and m.file.split('.')[0] not in l:
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l = l.replace('EXCLUDE_FILE(', 'EXCLUDE_FILE(%s '%(m.desc))
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if len(m.isecs) > 0:
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l += '\n %s(%s)'%(m.desc, ' '.join(m.isecs))
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return l
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return False
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def save(self, input, output):
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lines = open(input).read().splitlines()
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lines = self.__replace__(lines)
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open(output, 'w+').write('\n'.join(lines))
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def main():
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argparser = argparse.ArgumentParser(description='Relinker script generator')
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argparser.add_argument(
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'--input', '-i',
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help='Linker template file',
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type=str)
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argparser.add_argument(
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'--output', '-o',
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help='Output linker script',
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type=str)
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argparser.add_argument(
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'--library', '-l',
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help='Library description directory',
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type=str)
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argparser.add_argument(
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'--object', '-b',
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help='Object description file',
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type=str)
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argparser.add_argument(
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'--function', '-f',
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help='Function description file',
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type=str)
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argparser.add_argument(
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'--sdkconfig', '-s',
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help='sdkconfig file',
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type=str)
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argparser.add_argument(
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'--objdump', '-g',
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help='GCC objdump command',
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type=str)
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argparser.add_argument(
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'--debug', '-d',
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help='Debug level(option is \'debug\')',
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default='no',
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type=str)
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argparser.add_argument(
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'--missing_function_info',
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help='Print error information instead of throwing exception when missing function',
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default=False,
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type=bool)
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args = argparser.parse_args()
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if args.debug == 'debug':
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logging.basicConfig(level=logging.DEBUG)
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logging.debug('input: %s'%(args.input))
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logging.debug('output: %s'%(args.output))
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logging.debug('library: %s'%(args.library))
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logging.debug('object: %s'%(args.object))
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logging.debug('function: %s'%(args.function))
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logging.debug('sdkconfig:%s'%(args.sdkconfig))
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logging.debug('objdump: %s'%(args.objdump))
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logging.debug('debug: %s'%(args.debug))
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logging.debug('missing_function_info: %s'%(args.missing_function_info))
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global espidf_objdump
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espidf_objdump = args.objdump
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relink = relink_c(args.input, args.library, args.object, args.function, args.sdkconfig, args.missing_function_info)
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relink.save(args.input, args.output)
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if __name__ == '__main__':
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main()
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