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Merge pull request #787 from Nanquitas/master

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exception_parser.py: display the fault status source
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TuxSH 2017-08-15 02:44:18 +02:00 committed by GitHub
commit 009f61a8b6
1 changed files with 11 additions and 0 deletions
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exceptions/exception_dump_parser.py
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@ -90,6 +90,13 @@ def makeRegisterLine(A, rA, B, rB):
handledExceptionNames = ("FIQ", "undefined instruction", "prefetch abort", "data abort") handledExceptionNames = ("FIQ", "undefined instruction", "prefetch abort", "data abort")
registerNames = tuple("r{0}".format(i) for i in range(13)) + ("sp", "lr", "pc", "cpsr") + ("dfsr", "ifsr", "far") + ("fpexc", "fpinst", "fpinst2") registerNames = tuple("r{0}".format(i) for i in range(13)) + ("sp", "lr", "pc", "cpsr") + ("dfsr", "ifsr", "far") + ("fpexc", "fpinst", "fpinst2")
svcBreakReasons = ("(svcBreak: panic)", "(svcBreak: assertion failed)", "(svcBreak: user-related)") svcBreakReasons = ("(svcBreak: panic)", "(svcBreak: assertion failed)", "(svcBreak: user-related)")
faultStatusSources = {
0b1:'Alignment', 0b100:'Instruction cache maintenance operation fault',
0b1100:'External Abort on translation - First-level', 0b1110:'External Abort on translation - Second-level',
0b101:'Translation - Section', 0b111:'Translation - Page', 0b11:'Access bit - Section', 0b110:'Access bit - Page',
0b1001:'Domain - Section', 0b1011:'Domain - Page', 0b1101:'Permission - Section', 0b1111:'Permission - Page',
0b1000:'Precise External Abort', 0b10110:'Imprecise External Abort', 0b10:'Debug event'
}
if __name__ == "__main__": if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Parse Luma3DS exception dumps") parser = argparse.ArgumentParser(description="Parse Luma3DS exception dumps")
@ -146,6 +153,10 @@ if __name__ == "__main__":
thumb = registers[16] & 0x20 != 0 thumb = registers[16] & 0x20 != 0
addr = registers[15] - codeDumpSize + (2 if thumb else 4) addr = registers[15] - codeDumpSize + (2 if thumb else 4)
xfsr = registers[18] if exceptionType == 2 else registers[17] if exceptionType == 3 else 0
if xfsr != 0:
print("\nFault Status Source: " + faultStatusSources[xfsr & 0xf])
print("\nCode dump:\n") print("\nCode dump:\n")
objdump_res = "" objdump_res = ""