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tricore relocations added

This commit is contained in:
Nicolas 2026-04-24 16:59:09 +02:00
parent 34834faac7
commit 0e3812e0c6
2 changed files with 29 additions and 2 deletions
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9
src/copapy/_compiler.py
View File

@ -414,9 +414,13 @@ def compile_to_dag(node_list: Iterable[Node], sdb: stencil_database) -> tuple[bi
elif reloc.target_symbol_name.startswith('result_'):
# Set return jump address to address of following stencil
patch = sdb.get_patch(reloc, offset + len(data), offset, binw.Command.PATCH_FUNC.value)
elif reloc.pelfy_reloc.type == 'R_TRICORE_RELAX':
pass
elif reloc.pelfy_reloc.symbol.index == 0:
assert reloc.pelfy_reloc.type == 'R_TRICORE_15REL'
else:
# Patch constants addresses on heap
assert reloc.target_section_index in section_addr_lookup, f"- Function or object in {node.name} missing: {reloc.pelfy_reloc.symbol.name}"
assert reloc.target_section_index in section_addr_lookup, f"- Function or object in {node.name} missing: {reloc.pelfy_reloc.symbol.name} ({reloc.pelfy_reloc.type})"
obj_addr = reloc.target_symbol_offset + section_addr_lookup[reloc.target_section_index]
patch = sdb.get_patch(reloc, obj_addr, offset, binw.Command.PATCH_OBJECT.value)
#print('* constants stancils', patch.type, patch.patch_address, binw.Command.PATCH_OBJECT, node.name)
@ -453,7 +457,8 @@ def compile_to_dag(node_list: Iterable[Node], sdb: stencil_database) -> tuple[bi
for reloc in sdb.get_relocations(name):
if not reloc.target_section_index:
assert reloc.pelfy_reloc.type == 'R_ARM_V4BX', (reloc.pelfy_reloc.type, name, reloc.pelfy_reloc.symbol.name)
if reloc.pelfy_reloc.symbol.name != '__errno': # TODO: Temporary workaround for tricore
assert reloc.pelfy_reloc.type in ('R_ARM_V4BX', 'R_TRICORE_RELAX', 'R_TRICORE_15REL', 'R_TRICORE_24REL'), (reloc.pelfy_reloc.type, name, reloc.pelfy_reloc.symbol.name)
elif reloc.target_symbol_info in {'STT_OBJECT', 'STT_NOTYPE', 'STT_SECTION'}:
# Patch constants/variable addresses on heap

22
src/copapy/_stencils.py
View File

@ -371,6 +371,28 @@ class stencil_database():
scale = 0x10000
#print(f" *> {pr.type} {patch_value=} {symbol_address=}, {function_offset=}, {pr.fields['r_addend']=}")
elif pr.type == 'R_TRICORE_HIADJ':
# S + A + 0x8000 >> 16
mask = 0xFFFF
patch_value = symbol_address + pr.fields['r_addend'] + 0x8000
symbol_type = symbol_type + 0x04 # Absolut value
scale = 0x10000
#print(f" *> {pr.type} {patch_value=} {symbol_address=}, {function_offset=}")
elif pr.type == 'R_TRICORE_LO2':
# S + A & 0xFFFF
mask = 0xFFFF
patch_value = symbol_address + pr.fields['r_addend']
symbol_type = symbol_type + 0x04 # Absolut value
#print(f" *> {pr.type} {patch_value=} {symbol_address=}, {function_offset=}")
elif pr.type == 'R_TRICORE_24REL':
# S + A - P
mask = 0xffffff # 24 bit
patch_value = symbol_address + pr.fields['r_addend'] - patch_offset
assert not patch_value & 0x01, hex(patch_value)
scale = 2
else:
raise NotImplementedError(f"Relocation type {pr.type} in {relocation.pelfy_reloc.target_section.name} pointing to {relocation.pelfy_reloc.symbol.name} not implemented")