mirror of https://github.com/m-labs/artiq.git
transforms.llvm_ir_generator: compare exn typeinfo using strcmp.
This is necessary to correctly catch exceptions from RPCs.
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@ -364,6 +364,8 @@ class LLVMIRGenerator:
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llty = ll.FunctionType(llvoid, [self.llty_of_type(builtins.TException())])
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llty = ll.FunctionType(llvoid, [self.llty_of_type(builtins.TException())])
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elif name == "__artiq_reraise":
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elif name == "__artiq_reraise":
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llty = ll.FunctionType(llvoid, [])
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llty = ll.FunctionType(llvoid, [])
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elif name == "strcmp":
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llty = ll.FunctionType(lli32, [llptr, llptr])
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elif name == "send_rpc":
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elif name == "send_rpc":
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llty = ll.FunctionType(llvoid, [lli32, llptr],
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llty = ll.FunctionType(llvoid, [lli32, llptr],
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var_arg=True)
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var_arg=True)
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@ -1159,7 +1161,10 @@ class LLVMIRGenerator:
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if typ is None:
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if typ is None:
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self.llbuilder.branch(self.map(target))
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self.llbuilder.branch(self.map(target))
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else:
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else:
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llmatchingclause = self.llbuilder.icmp_unsigned('==', llexnname, llclauseexnname)
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llexnmatch = self.llbuilder.call(self.llbuiltin("strcmp"),
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[llexnname, llclauseexnname])
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llmatchingclause = self.llbuilder.icmp_unsigned('==',
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llexnmatch, ll.Constant(lli32, 0))
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with self.llbuilder.if_then(llmatchingclause):
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with self.llbuilder.if_then(llmatchingclause):
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self.llbuilder.branch(self.map(target))
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self.llbuilder.branch(self.map(target))
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@ -92,6 +92,7 @@ static const struct symbol runtime_exports[] = {
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{"__artiq_personality", &__artiq_personality},
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{"__artiq_personality", &__artiq_personality},
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{"__artiq_raise", &__artiq_raise},
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{"__artiq_raise", &__artiq_raise},
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{"__artiq_reraise", &__artiq_reraise},
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{"__artiq_reraise", &__artiq_reraise},
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{"strcmp", &strcmp},
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{"abort", &ksupport_abort},
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{"abort", &ksupport_abort},
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/* proxified syscalls */
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/* proxified syscalls */
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