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ldgen: implement flags support

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Implement support for KEEP, ALIGN, emitting symbols and SORT.
Add appropriate tests
Defines default mapping in linker fragment file
This commit is contained in:
Renz Bagaporo
2021-02-03 18:19:09 +08:00
parent 48cda62bcf
commit b99777066f
12 changed files with 1404 additions and 259 deletions
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117
tools/ldgen/test/test_output_commands.py
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@@ -19,10 +19,10 @@ import sys
import unittest
try:
from output_commands import InputSectionDesc
from output_commands import AlignAtAddress, InputSectionDesc, SymbolAtAddress
except ImportError:
sys.path.append('../')
from output_commands import InputSectionDesc
from output_commands import InputSectionDesc, SymbolAtAddress, AlignAtAddress
from entity import Entity
@@ -34,7 +34,7 @@ CROUTINE = Entity('libfreertos.a', 'croutine')
class InputSectionDescTest(unittest.TestCase):
def test_output_00(self):
def test_catch_all_placement(self):
# Test default (catch-all) command
expected = '*(.literal .literal.* .text .text.*)'
@@ -44,7 +44,7 @@ class InputSectionDescTest(unittest.TestCase):
desc = InputSectionDesc(Entity(Entity.ALL), SECTIONS)
self.assertEqual(expected, str(desc))
def test_output_01(self):
def test_lib_placement(self):
# Test library placement command
expected = '*libfreertos.a:(.literal .literal.* .text .text.*)'
@@ -60,7 +60,7 @@ class InputSectionDescTest(unittest.TestCase):
desc = InputSectionDesc(Entity('libfreertos.a', Entity.ALL, Entity.ALL), SECTIONS)
self.assertEqual(expected, str(desc))
def test_output_02(self):
def test_obj_placement(self):
# Test object placement command
expected = '*libfreertos.a:croutine.*(.literal .literal.* .text .text.*)'
@@ -79,7 +79,7 @@ class InputSectionDescTest(unittest.TestCase):
desc = InputSectionDesc(Entity('libfreertos.a', 'croutine.c'), SECTIONS)
self.assertEqual(expected, str(desc))
def test_output_03(self):
def test_invalid_entity(self):
# Invalid entity specification
with self.assertRaises(AssertionError):
InputSectionDesc(Entity('libfreertos.a', 'croutine', 'prvCheckPendingReadyList'), SECTIONS)
@@ -90,7 +90,7 @@ class InputSectionDescTest(unittest.TestCase):
with self.assertRaises(AssertionError):
InputSectionDesc(Entity('libfreertos.a', 'croutine'), SECTIONS, [Entity('libfreertos.a', 'croutine', 'prvCheckPendingReadyList')])
def test_output_04(self):
def test_exclusions(self):
# Test exclusions
# Library
@@ -129,13 +129,114 @@ class InputSectionDescTest(unittest.TestCase):
desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')])
self.assertEqual(expected, str(desc))
def test_output_05(self):
def test_empty_sections(self):
# Test empty sections
expected = '*libfreertos.a:croutine.*( )'
desc = InputSectionDesc(Entity('libfreertos.a', 'croutine'), [])
self.assertEqual(expected, str(desc))
def test_keep(self):
# Test keep
expected = 'KEEP(*libfreertos.a:croutine.*( ))'
desc = InputSectionDesc(Entity('libfreertos.a', 'croutine'), [], keep=True)
self.assertEqual(expected, str(desc))
def test_sort(self):
# Test sort
expected = ('*libfreertos.a:croutine.*('
'SORT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal) '
'SORT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*) '
'SORT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text) '
'SORT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*)'
')')
desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=(None, None))
self.assertEqual(expected, str(desc))
expected = ('*libfreertos.a:croutine.*('
'SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal) '
'SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*) '
'SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text) '
'SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*)'
')')
desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('name', None))
self.assertEqual(expected, str(desc))
expected = ('*libfreertos.a:croutine.*('
'SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal) '
'SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*) '
'SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text) '
'SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*)'
')')
desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('alignment', None))
self.assertEqual(expected, str(desc))
expected = ('*libfreertos.a:croutine.*('
'SORT_BY_INIT_PRIORITY(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal) '
'SORT_BY_INIT_PRIORITY(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*) '
'SORT_BY_INIT_PRIORITY(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text) '
'SORT_BY_INIT_PRIORITY(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*)'
')')
desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('init_priority', None))
self.assertEqual(expected, str(desc))
expected = ('*libfreertos.a:croutine.*('
'SORT_BY_NAME(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal)) '
'SORT_BY_NAME(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*)) '
'SORT_BY_NAME(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text)) '
'SORT_BY_NAME(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*))'
')')
desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('name', 'alignment'))
self.assertEqual(expected, str(desc))
expected = ('*libfreertos.a:croutine.*('
'SORT_BY_NAME(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal)) '
'SORT_BY_NAME(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*)) '
'SORT_BY_NAME(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text)) '
'SORT_BY_NAME(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*))'
')')
desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('name', 'name'))
self.assertEqual(expected, str(desc))
expected = ('*libfreertos.a:croutine.*('
'SORT_BY_ALIGNMENT(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal)) '
'SORT_BY_ALIGNMENT(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*)) '
'SORT_BY_ALIGNMENT(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text)) '
'SORT_BY_ALIGNMENT(SORT_BY_NAME(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*))'
')')
desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('alignment', 'name'))
self.assertEqual(expected, str(desc))
expected = ('*libfreertos.a:croutine.*('
'SORT_BY_ALIGNMENT(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal)) '
'SORT_BY_ALIGNMENT(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .literal.*)) '
'SORT_BY_ALIGNMENT(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text)) '
'SORT_BY_ALIGNMENT(SORT_BY_ALIGNMENT(EXCLUDE_FILE(*libfreertos.a:croutine.c.*) .text.*))'
')')
desc = InputSectionDesc(CROUTINE, SECTIONS, [Entity('libfreertos.a', 'croutine.c')], keep=False, sort=('alignment', 'alignment'))
self.assertEqual(expected, str(desc))
class SymbolAtAddressTest(unittest.TestCase):
def test_symbol(self):
symbol = 'test_symbol'
expected = '%s = ABSOLUTE(.);' % symbol
desc = SymbolAtAddress(symbol)
self.assertEqual(expected, str(desc))
class AlignAtAddressTest(unittest.TestCase):
def test_align(self):
align = 8
expected = '. = ALIGN(%d);' % 8
desc = AlignAtAddress(align)
self.assertEqual(expected, str(desc))
if __name__ == '__main__':
unittest.main()