tricore relocations added

src/copapy/_compiler.py

@@ -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

src/copapy/_stencils.py

@@ -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")