mirror of https://github.com/m-labs/artiq.git
devices/runtime: add returns_twice attribute on __eh_setjmp (fixes exception crashes)
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3ee9a87a00
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@ -65,6 +65,7 @@ class LinkInterface:
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func_type = lc.Type.function(lc.Type.int(), [lc.Type.pointer(lc.Type.int(8))])
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func_type = lc.Type.function(lc.Type.int(), [lc.Type.pointer(lc.Type.int(8))])
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function = self.llvm_module.add_function(func_type, "__eh_setjmp")
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function = self.llvm_module.add_function(func_type, "__eh_setjmp")
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function.add_attribute(lc.ATTR_NO_UNWIND)
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function.add_attribute(lc.ATTR_NO_UNWIND)
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function.add_attribute(lc.ATTR_RETURNS_TWICE)
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func_type = lc.Type.function(lc.Type.pointer(lc.Type.int(8)), [])
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func_type = lc.Type.function(lc.Type.pointer(lc.Type.int(8)), [])
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self.llvm_module.add_function(func_type, "__eh_push")
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self.llvm_module.add_function(func_type, "__eh_push")
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@ -0,0 +1,12 @@
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diff --git a/llvm/core.py b/llvm/core.py
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index 20ad062..245ac65 100644
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--- a/llvm/core.py
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+++ b/llvm/core.py
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@@ -379,6 +379,7 @@ class AttrEnum(Enum):
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ATTR_NAKED = AttrVal.Naked
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ATTR_INLINE_HINT = AttrVal.InlineHint
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ATTR_STACK_ALIGNMENT = AttrVal.StackAlignment
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+ ATTR_RETURNS_TWICE = AttrVal.ReturnsTwice
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AttrEnum.declare()
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