forked from M-Labs/artiq
devices/runtime: add more eh functions
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d1085449aa
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8b769a0417
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@ -61,9 +61,19 @@ class LinkInterface:
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self.var_arg_fixcount[func_name] = var_arg_fixcount
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self.llvm_module.add_function(func_type, "__syscall_"+func_name)
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# eh
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# exception handling
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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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func_type = lc.Type.function(lc.Type.void(), [lc.Type.int()])
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self.llvm_module.add_function(func_type, "__eh_raise")
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self.llvm_module.add_function(func_type, "__eh_pop")
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func_type = lc.Type.function(lc.Type.int(), [])
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self.llvm_module.add_function(func_type, "__eh_getid")
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func_type = lc.Type.function(lc.Type.void(), [lc.Type.int()])
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function = self.llvm_module.add_function(func_type, "__eh_raise")
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function.add_attribute(lc.ATTR_NO_RETURN)
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def build_syscall(self, syscall_name, args, builder):
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r = _chr_to_value[_syscalls[syscall_name][-1]]()
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@ -79,11 +89,27 @@ class LinkInterface:
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r.auto_store(builder, builder.call(llvm_function, args))
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return r
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def build_raise(self, eid, builder):
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if builder is not None:
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llvm_function = self.llvm_module.get_function_named(
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"__eh_raise")
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builder.call(llvm_function, [lc.Constant.int(lc.Type.int(), eid)])
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def build_catch(self, builder):
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eh_push = self.llvm_module.get_function_named("__eh_push")
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setjmp = lc.Function.intrinsic(self.llvm_module,
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lc.INTR_EH_SJLJ_SETJMP, [])
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jmpbuf = builder.call(eh_push, [])
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exception_occured = builder.call(setjmp, [jmpbuf])
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return builder.icmp(lc.ICMP_NE,
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exception_occured,
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lc.Constant.int(lc.Type.int(), 0))
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def build_pop(self, builder, levels):
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eh_pop = self.llvm_module.get_function_named("__eh_pop")
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builder.call(eh_pop, [lc.Constant.int(lc.Type.int(), levels)])
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def build_getid(self, builder):
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eh_getid = self.llvm_module.get_function_named("__eh_getid")
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return builder.call(eh_getid, [])
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def build_raise(self, builder, eid):
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eh_raise = self.llvm_module.get_function_named("__eh_raise")
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builder.call(eh_raise, [eid])
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def _debug_dump_obj(obj):
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