mirror of
https://github.com/espressif/esp-idf.git
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b99777066f
Implement support for KEEP, ALIGN, emitting symbols and SORT. Add appropriate tests Defines default mapping in linker fragment file
243 lines
11 KiB
Python
Executable File
243 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2021 Espressif Systems (Shanghai) CO LTD
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import sys
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import unittest
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try:
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from output_commands import AlignAtAddress, InputSectionDesc, SymbolAtAddress
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except ImportError:
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sys.path.append('../')
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from output_commands import InputSectionDesc, SymbolAtAddress, AlignAtAddress
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from entity import Entity
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SECTIONS = ['.text', '.text.*', '.literal', '.literal.*']
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FREERTOS = Entity('libfreertos.a')
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CROUTINE = Entity('libfreertos.a', 'croutine')
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class InputSectionDescTest(unittest.TestCase):
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def test_catch_all_placement(self):
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# Test default (catch-all) command
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expected = '*(.literal .literal.* .text .text.*)'
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desc = InputSectionDesc(Entity(), SECTIONS)
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self.assertEqual(expected, str(desc))
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desc = InputSectionDesc(Entity(Entity.ALL), SECTIONS)
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self.assertEqual(expected, str(desc))
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def test_lib_placement(self):
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# Test library placement command
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expected = '*libfreertos.a:(.literal .literal.* .text .text.*)'
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desc = InputSectionDesc(Entity('libfreertos.a'), SECTIONS)
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self.assertEqual(expected, str(desc))
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desc = InputSectionDesc(Entity('libfreertos.a', Entity.ALL), SECTIONS)
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self.assertEqual(expected, str(desc))
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desc = InputSectionDesc(Entity('libfreertos.a', None, Entity.ALL), SECTIONS)
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self.assertEqual(expected, str(desc))
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desc = InputSectionDesc(Entity('libfreertos.a', Entity.ALL, Entity.ALL), SECTIONS)
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self.assertEqual(expected, str(desc))
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def test_obj_placement(self):
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# Test object placement command
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expected = '*libfreertos.a:croutine.*(.literal .literal.* .text .text.*)'
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desc = InputSectionDesc(Entity('libfreertos.a', 'croutine'), SECTIONS)
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self.assertEqual(expected, str(desc))
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desc = InputSectionDesc(Entity('libfreertos.a', 'croutine'), SECTIONS)
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self.assertEqual(expected, str(desc))
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desc = InputSectionDesc(Entity('libfreertos.a', 'croutine', Entity.ALL), SECTIONS)
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self.assertEqual(expected, str(desc))
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# Disambugated placement
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expected = '*libfreertos.a:croutine.c.*(.literal .literal.* .text .text.*)'
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desc = InputSectionDesc(Entity('libfreertos.a', 'croutine.c'), SECTIONS)
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self.assertEqual(expected, str(desc))
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def test_invalid_entity(self):
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# Invalid entity specification
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with self.assertRaises(AssertionError):
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InputSectionDesc(Entity('libfreertos.a', 'croutine', 'prvCheckPendingReadyList'), SECTIONS)
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with self.assertRaises(AssertionError):
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InputSectionDesc(Entity('libfreertos.a', 'croutine'), SECTIONS, [Entity()])
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with self.assertRaises(AssertionError):
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InputSectionDesc(Entity('libfreertos.a', 'croutine'), SECTIONS, [Entity('libfreertos.a', 'croutine', 'prvCheckPendingReadyList')])
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def test_exclusions(self):
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# Test exclusions
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# Library
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expected = ('*libfreertos.a:croutine.*'
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'(EXCLUDE_FILE(*libfreertos.a) '
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'.literal EXCLUDE_FILE(*libfreertos.a) '
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'.literal.* EXCLUDE_FILE(*libfreertos.a) '
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'.text EXCLUDE_FILE(*libfreertos.a) .text.*)')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [FREERTOS])
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self.assertEqual(expected, str(desc))
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# Object
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expected = ('*libfreertos.a:croutine.*'
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'(EXCLUDE_FILE(*libfreertos.a:croutine.*) '
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'.literal EXCLUDE_FILE(*libfreertos.a:croutine.*) '
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'.literal.* EXCLUDE_FILE(*libfreertos.a:croutine.*) '
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'.text EXCLUDE_FILE(*libfreertos.a:croutine.*) .text.*)')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [CROUTINE])
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self.assertEqual(expected, str(desc))
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# Multiple exclusions
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expected = ('*libfreertos.a:croutine.*'
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'(EXCLUDE_FILE(*libfreertos.a *libfreertos.a:croutine.*) '
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'.literal EXCLUDE_FILE(*libfreertos.a *libfreertos.a:croutine.*) '
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'.literal.* EXCLUDE_FILE(*libfreertos.a *libfreertos.a:croutine.*) '
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'.text EXCLUDE_FILE(*libfreertos.a *libfreertos.a:croutine.*) .text.*)')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [FREERTOS, CROUTINE])
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self.assertEqual(expected, str(desc))
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# Disambugated exclusion
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expected = ('*libfreertos.a:croutine.*'
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'(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) '
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'.literal EXCLUDE_FILE(*libfreertos.a:croutine.c.*) '
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'.literal.* EXCLUDE_FILE(*libfreertos.a:croutine.c.*) '
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'.text EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*)')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')])
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self.assertEqual(expected, str(desc))
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def test_empty_sections(self):
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# Test empty sections
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expected = '*libfreertos.a:croutine.*( )'
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desc = InputSectionDesc(Entity('libfreertos.a', 'croutine'), [])
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self.assertEqual(expected, str(desc))
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def test_keep(self):
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# Test keep
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expected = 'KEEP(*libfreertos.a:croutine.*( ))'
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desc = InputSectionDesc(Entity('libfreertos.a', 'croutine'), [], keep=True)
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self.assertEqual(expected, str(desc))
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def test_sort(self):
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# Test sort
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expected = ('*libfreertos.a:croutine.*('
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'SORT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal) '
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'SORT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*) '
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'SORT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text) '
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'SORT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*)'
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')')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=(None, None))
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self.assertEqual(expected, str(desc))
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expected = ('*libfreertos.a:croutine.*('
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'SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal) '
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'SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*) '
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'SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text) '
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'SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*)'
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')')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('name', None))
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self.assertEqual(expected, str(desc))
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expected = ('*libfreertos.a:croutine.*('
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'SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal) '
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'SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*) '
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'SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text) '
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'SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*)'
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')')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('alignment', None))
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self.assertEqual(expected, str(desc))
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expected = ('*libfreertos.a:croutine.*('
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'SORT_BY_INIT_PRIORITY(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal) '
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'SORT_BY_INIT_PRIORITY(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*) '
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'SORT_BY_INIT_PRIORITY(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text) '
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'SORT_BY_INIT_PRIORITY(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*)'
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')')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('init_priority', None))
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self.assertEqual(expected, str(desc))
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expected = ('*libfreertos.a:croutine.*('
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'SORT_BY_NAME(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal)) '
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'SORT_BY_NAME(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*)) '
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'SORT_BY_NAME(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text)) '
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'SORT_BY_NAME(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*))'
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')')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('name', 'alignment'))
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self.assertEqual(expected, str(desc))
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expected = ('*libfreertos.a:croutine.*('
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'SORT_BY_NAME(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal)) '
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'SORT_BY_NAME(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*)) '
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'SORT_BY_NAME(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text)) '
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'SORT_BY_NAME(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*))'
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')')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('name', 'name'))
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self.assertEqual(expected, str(desc))
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expected = ('*libfreertos.a:croutine.*('
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'SORT_BY_ALIGNMENT(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal)) '
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'SORT_BY_ALIGNMENT(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*)) '
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'SORT_BY_ALIGNMENT(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text)) '
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'SORT_BY_ALIGNMENT(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*))'
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')')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('alignment', 'name'))
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self.assertEqual(expected, str(desc))
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expected = ('*libfreertos.a:croutine.*('
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'SORT_BY_ALIGNMENT(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal)) '
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'SORT_BY_ALIGNMENT(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*)) '
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'SORT_BY_ALIGNMENT(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text)) '
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'SORT_BY_ALIGNMENT(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*))'
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')')
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desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('alignment', 'alignment'))
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self.assertEqual(expected, str(desc))
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class SymbolAtAddressTest(unittest.TestCase):
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def test_symbol(self):
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symbol = 'test_symbol'
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expected = '%s = ABSOLUTE(.);' % symbol
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desc = SymbolAtAddress(symbol)
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self.assertEqual(expected, str(desc))
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class AlignAtAddressTest(unittest.TestCase):
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def test_align(self):
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align = 8
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expected = '. = ALIGN(%d);' % 8
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desc = AlignAtAddress(align)
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self.assertEqual(expected, str(desc))
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if __name__ == '__main__':
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unittest.main()
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