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copapy
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add support for multiple patches per relocation entry

This commit is contained in:
Nicolas 2026-05-19 15:57:07 +02:00
parent decdbeb270
commit fd24eddfa4
1 changed files with 5 additions and 2 deletions
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7
src/copapy/_compiler.py
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@ -401,6 +401,7 @@ def compile_to_dag(node_list: Iterable[Node], sdb: stencil_database) -> tuple[bi
data = sdb.get_stencil_code(node.name)
data_list.append(data)
#print(f"* {node.name} ({offset}) " + ' '.join(f'{d:02X}' for d in data))
patch: list[patch_entry] = []
for reloc in sdb.get_relocations(node.name, stencil=True):
if reloc.target_symbol_info in ('STT_OBJECT', 'STT_NOTYPE', 'STT_SECTION'):
@ -414,9 +415,11 @@ 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.endswith('_RELAX'):
pass # Ignore *_RELAX relocations for now
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)
@ -428,7 +431,7 @@ def compile_to_dag(node_list: Iterable[Node], sdb: stencil_database) -> tuple[bi
else:
raise ValueError(f"Unsupported: {node.name} {reloc.target_symbol_info} {reloc.target_symbol_name}")
patch_list.append(patch)
patch_list += patch
offset += len(data)