The first commit

tools/set_o32abi_bit.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+import argparse, struct, sys
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument('file', help='input file')
+    args = parser.parse_args()
+
+    with open(args.file, 'r+b') as f:
+        magic = struct.unpack('>I', f.read(4))[0]
+        if magic != 0x7F454C46:
+            print('Error: Not an ELF file')
+            sys.exit(1)
+
+        f.seek(36)
+        flags = struct.unpack('>I', f.read(4))[0]
+        if flags & 0xF0000000 != 0x20000000: # test for mips3
+            print('Error: Architecture not mips3')
+            sys.exit(1)
+
+        flags |= 0x00001000 # set EF_MIPS_ABI_O32
+        f.seek(36)
+        f.write(struct.pack('>I', flags))
+