About to do something dumb, so I'm commiting this now.

tools/python/undefined_sym_fix.py

@@ -1,18 +1,57 @@
 import subprocess
 import sys
+import subprocess
 import argparse
 
-parser = argparse.ArgumentParser(description="")
-parser.add_argument("baseLabel", help="Base label")
-parser.add_argument("badLabel", help="Bad label")
-args = parser.parse_args()
+def fixBadLabel():
+    parser = argparse.ArgumentParser(description="")
+    parser.add_argument("baseLabel", help="Base label")
+    parser.add_argument("badLabel", help="Bad label")
+    args = parser.parse_args()
 
-baseAddress = int(args.baseLabel[-8:], 16)
-badAddress = int(args.badLabel[-8:], 16)
+    baseAddress = int(args.baseLabel[-8:], 16)
+    badAddress = int(args.badLabel[-8:], 16)
 
-if baseAddress >= badAddress:
-    raise Exception('baseLabel should be smaller! base = ' + hex(baseAddress) + ', bad = ' + hex(badAddress))
+    if baseAddress >= badAddress:
+        raise Exception('baseLabel should be smaller! base = ' + hex(baseAddress) + ', bad = ' + hex(badAddress))
 
-newLabel = args.baseLabel + '+' + str(badAddress-baseAddress)
+    newLabel = args.baseLabel + '+' + str(badAddress-baseAddress)
+
+    subprocess.run(['./rename_sym.sh', args.badLabel, newLabel])
+
+def load_syms():
+    with open('undefined_syms.txt', 'r') as inFile:
+        return inFile.read().split('\n')
+
+def save_syms(syms):
+    with open('undefined_syms.txt', 'w') as outFile:
+        outFile.write('\n'.join(syms))
+
+def check_is_double(symbol, address):
+    command = subprocess.run(['fgrep', '-ri', symbol], capture_output=True)
+    outLines = command.stdout.decode("utf-8").split('\n')
+    for outLine in outLines:
+        if 'lwc1' in outLine:
+            newSym = hex(address - 4)[2:].upper() + '+4'
+            subprocess.run(['./rename_sym.sh', symbol, newSym])
+            return True
+    return False
+    
+def fixDoubleLoads():
+    syms = load_syms()
+    for i in range(0, len(syms)):
+        sym = syms[i]
+        if not sym.startswith('D_'):
+            continue
+        symSplit = sym.split(' = ')
+        symbol = symSplit[0]
+        address = int(symSplit[1][2:-1], 16)
+        if address >= 0x800E4BFC and address < 0x800E9BA0 and (address & 4 == 4):
+            if check_is_double(symbol, address):
+                syms.pop(i)
+                i -= 1
+    save_syms(syms)
+
+#fixBadLabel()
+fixDoubleLoads()
 
-subprocess.run(['./rename_sym.sh', args.badLabel, newLabel])