Can we get support for loading gameboy SYM symbol files via a script or feature of the plugin?

[ILOVEPIE]

Being able to load symbol files would be very helpful.

[ILOVEPIE]

This works, but for this script to work the xram needs to be correctly banked.

##
# Imports a text file containing symbol definitions for Gameboy.
# @author ILOVEPIE <patrick.martin.r@gmail.com>
# @category Data
#

from ghidra.program.model.symbol.SourceType import *
import string

globalsyms = {}

def normalGetPrefix(bank,address,name):
    endoffset = 0
    if name.lower().endswith("end"):
        endoffset = 1
    if address <= 0x3fff+endoffset:
        return "rom0",address
    if address >= 0x4000 and address <= 0x7FFF+endoffset:
        return "rom"+str(max(1,bank)),address
    if address >=0x8000 and address <= 0x9FFF+endoffset:
        return "vram",address
    if address >=0xA000 and address <= 0xBFFF+endoffset:
        return "xram"+str(bank),address
    if address >=0xC000 and address <= 0xCFFF+endoffset:
        return "wram0",address
    if address >=0xD000 and address <= 0xDFFF+endoffset:
        return "wram"+str(max(1,bank)),address
    if address >=0xE000 and address <= 0xFDFF+endoffset:
        # TODO: figgure echo ram out later.
        return "eram",address
    if address >= 0xFE00 and address <= 0xFE9F+endoffset:
        return "oam",address
    if address >= 0xFEA0 and address <= 0xFEFF+endoffset:
        return "unk",address
    if address >= 0xFF00 and address <= 0xFF7F+endoffset:
        return "io",address
    if address >= 0xFF80 and address <= 0xFFFE+endoffset:
        return "hram",address
    if address >= 0xFFFF and address <= 0xFFFF+endoffset:
        return "ie",address
    raise Exception("Unrecongnized address 0x"+hex(address)+" for symbol '"+name+"'.")

def getPrefix(bank,address,name):
    result = ("undef",address)
    globalsym = name
    if "." in name:
        (globalsym,name) = name.split('.',1)
        (globalsymbank,globalsymaddress,globalsymprefix) = globalsyms[globalsym]
        if globalsymaddress is not None:
            if globalsymaddress <= address:
                if globalsymbank is None and bank is None:
                    result = (None,address)
                elif globalsymbank is not None and bank is not None:
                    result = (globalsymprefix,address)
                else:
                    raise Exception("local symbol '"+globalsym+"."+name+"has no global parent.")
            else:
                raise Exception("local symbol '"+globalsym+"."+name+"has no global parent.")
        else:
            raise Exception("local symbol '"+globalsym+"."+name+"has no global parent.")
    else:
        result = normalGetPrefix(bank,address,name)
    if name == globalsym:
        (prefix,address) = result
        globalsyms[name] = (bank,address,prefix)
    return result
        
    

functionManager = currentProgram.getFunctionManager()

f = askFile("Please select a .SYM file", "Import")

for line in file(f.absolutePath): 
    pieces = line.split()

    name = pieces[1]
    (bank,address) = pieces[0].split(':')
    if address is None:
        address = int(bank,16)
        bank = None
        address = toAddr(address)
    elif bank == "BOOT":
        # what do we do if it's the boot rom?
        continue
    else:
        bank = int(bank,16)
        address = int(address,16)
        prefix,address = getPrefix(bank,address,name)
        if prefix is not None:
            address = prefix+":"+hex(address)
        address = toAddr(address)
	

    if address is not None:
        func = functionManager.getFunctionAt(address)
        if func is not None:
            old_name = func.getName()
            func.setName(name, USER_DEFINED)
            print("Renamed function {} to {} at address {}".format(old_name, name, address))
        else:
            print("Created label {} at address {}".format(name, address))
            createLabel(address, name, False)