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1) Implicit operand conversion for if/else/while predicate

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2) Fixed a memory leak - result stack/while()
3) Do not invoke method if parent is a package.  Reference only.


date	2005.03.08.23.25.00;	author rmoore1;	state Exp;
This commit is contained in:
aystarik 2005-06-29 17:12:40 +00:00
parent b90003965e
commit d9d325d910
1 changed files with 53 additions and 17 deletions
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70
source/components/dispatcher/dswexec.c
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@ -2,7 +2,7 @@
*
* Module Name: dswexec - Dispatcher method execution callbacks;
* dispatch to interpreter.
* $Revision: 1.116 $
* $Revision: 1.117 $
*
*****************************************************************************/
@ -166,6 +166,7 @@ AcpiDsGetPredicateValue (
{
ACPI_STATUS Status = AE_OK;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT *LocalObjDesc = NULL;
ACPI_FUNCTION_TRACE_PTR ("DsGetPredicateValue", WalkState);
@ -211,13 +212,19 @@ AcpiDsGetPredicateValue (
}
/*
* Result of predicate evaluation currently must
* be a number
* Result of predicate evaluation must be an Integer
* object. Implicitly convert the argument if necessary.
*/
if (ACPI_GET_OBJECT_TYPE (ObjDesc) != ACPI_TYPE_INTEGER)
Status = AcpiExConvertToInteger (ObjDesc, &LocalObjDesc, 16);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
if (ACPI_GET_OBJECT_TYPE (LocalObjDesc) != ACPI_TYPE_INTEGER)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Bad predicate (not a number) ObjDesc=%p State=%p Type=%X\n",
"Bad predicate (not an integer) ObjDesc=%p State=%p Type=%X\n",
ObjDesc, WalkState, ACPI_GET_OBJECT_TYPE (ObjDesc)));
Status = AE_AML_OPERAND_TYPE;
@ -226,13 +233,13 @@ AcpiDsGetPredicateValue (
/* Truncate the predicate to 32-bits if necessary */
AcpiExTruncateFor32bitTable (ObjDesc);
AcpiExTruncateFor32bitTable (LocalObjDesc);
/*
* Save the result of the predicate evaluation on
* the control stack
*/
if (ObjDesc->Integer.Value)
if (LocalObjDesc->Integer.Value)
{
WalkState->ControlState->Common.Value = TRUE;
}
@ -254,12 +261,16 @@ Cleanup:
/* Break to debugger to display result */
ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (ObjDesc, WalkState));
ACPI_DEBUGGER_EXEC (AcpiDbDisplayResultObject (LocalObjDesc, WalkState));
/*
* Delete the predicate result object (we know that
* we don't need it anymore)
*/
if (LocalObjDesc != ObjDesc)
{
AcpiUtRemoveReference (LocalObjDesc);
}
AcpiUtRemoveReference (ObjDesc);
WalkState->ControlState->Common.State = ACPI_CONTROL_NORMAL;
@ -402,9 +413,10 @@ AcpiDsExecBeginOp (
case AML_CLASS_EXECUTE:
case AML_CLASS_CREATE:
/* most operators with arguments */
/* Start a new result/operand state */
/*
* Most operators with arguments.
* Start a new result/operand state
*/
Status = AcpiDsResultStackPush (WalkState);
break;
@ -579,21 +591,45 @@ AcpiDsExecEndOp (
/* 1 Operand, 0 ExternalResult, 0 InternalResult */
Status = AcpiDsExecEndControlOp (WalkState, Op);
if (ACPI_FAILURE (Status))
{
break;
}
Status = AcpiDsResultStackPop (WalkState);
/* Make sure to properly pop the result stack */
if (ACPI_SUCCESS (Status))
{
Status = AcpiDsResultStackPop (WalkState);
}
else if (Status == AE_CTRL_PENDING)
{
Status = AcpiDsResultStackPop (WalkState);
if (ACPI_SUCCESS (Status))
{
Status = AE_CTRL_PENDING;
}
}
break;
case AML_TYPE_METHOD_CALL:
/*
* If the method is referenced from within a package
* declaration, it is not a invocation of the method, just
* a reference to it.
*/
if ((Op->Asl.Parent) &&
((Op->Asl.Parent->Asl.AmlOpcode == AML_PACKAGE_OP) ||
(Op->Asl.Parent->Asl.AmlOpcode == AML_VAR_PACKAGE_OP)))
{
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method Reference in a Package, Op=%p\n", Op));
Op->Common.Node = (ACPI_NAMESPACE_NODE *) Op->Asl.Value.Arg->Asl.Node->Object;
AcpiUtAddReference (Op->Asl.Value.Arg->Asl.Node->Object);
return_ACPI_STATUS (AE_OK);
}
ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method invocation, Op=%p\n", Op));
/*
* (AML_METHODCALL) Op->Value->Arg->Node contains
* (AML_METHODCALL) Op->Asl.Value.Arg->Asl.Node contains
* the method Node pointer
*/
/* NextOp points to the op that holds the method name */