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10e3ed9029
Using Python 3.5 (I assume it's the same with 3.4 and lower, but I didn't test), I see this: print (enum flag_enum) (FLAG_1)^M Python Exception <class 'TypeError'> %x format: an integer is required, not gdb.Value: ^M $7 = ^M (gdb) FAIL: gdb.python/py-pp-maint.exp: print FLAG_1 Apparently, this idiom, where v is a gdb.Value, was possible with Python 2, but not with Python 3: '%x' % v In Python 2, it would automatically get converted to an integer. To solve it, I simply added wrapped v in a call to int(). '%x' % int(v) In Python 2, the int type is implemented with a "long" in C, so on x86-32 it's 32-bits. I was worried that doing int(v) would truncate the value and give wrong results for enum values > 32-bits. However, the int type != the int function. The int function does the right thing, selecting the right integer type for the given value. I tested with large enum values on x86-32 and Python 2, and everything works as expected. gdb/ChangeLog: * python/lib/gdb/printing.py (_EnumInstance.to_string): Explicitly convert gdb.Value to integer type using int().