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iASL: Add error if _Lxx/_Exx/_Qxx/_Wxx names are not methods.

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These predefined names must be defined as control methods. They
cannot be defined as any other object type. ACPICA BZ 850.
This commit is contained in:
Robert Moore 2010-04-07 12:48:53 -07:00
parent b7afb93b2d
commit 66a0da38e3
1 changed files with 36 additions and 19 deletions
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55
source/compiler/aslpredef.c
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@ -425,29 +425,46 @@ ApCheckForPredefinedObject (
* or a predefined scope name
*/
Index = ApCheckForPredefinedName (Op, Name);
if (Index > ACPI_VALID_RESERVED_NAME_MAX)
{
return;
}
/*
* We found a matching predefind name.
* Check if this predefined name requires input arguments
*/
if (PredefinedNames[Index].Info.ParamCount > 0)
switch (Index)
{
/*
* This predefined name must always be defined as a control
* method because it is required to have input arguments.
*/
case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */
case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */
case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */
/* Nothing to do */
break;
case ACPI_EVENT_RESERVED_NAME: /* _Lxx, _Exx, and _Qxx methods */
/* These names must be control methods, by definition in ACPI spec */
AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op,
"with arguments");
"with zero arguments");
break;
default: /* a real predefined ACPI name */
/*
* We found a matching predefind name.
* Check if this predefined name requires input arguments
*/
if (PredefinedNames[Index].Info.ParamCount > 0)
{
/*
* This predefined name must always be defined as a control
* method because it is required to have input arguments.
*/
AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op,
"with arguments");
}
/* Typecheck the actual object, it is the next argument */
ApCheckObjectType (Op->Asl.Child->Asl.Next,
PredefinedNames[Index].Info.ExpectedBtypes);
break;
}
/* Typecheck the actual object, it is the next argument */
ApCheckObjectType (Op->Asl.Child->Asl.Next,
PredefinedNames[Index].Info.ExpectedBtypes);
}