139 lines
3.2 KiB
ArmAsm
139 lines
3.2 KiB
ArmAsm
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// TITLE("Jump to Unwind")
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//++
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//
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// Copyright (c) 1992 Microsoft Corporation
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//
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// Module Name:
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//
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// jmpuwind.s
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//
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// Abstract:
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//
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// This module implements the MIPS specific routine to jump to the runtime
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// time library unwind routine.
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//
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// Author:
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//
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// David N. Cutler (davec) 12-Sep-1990
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//
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// Environment:
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//
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// Any mode.
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//
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// Revision History:
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//
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//--
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#include "ksmips.h"
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SBTTL("Execute Exception Filter")
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//++
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//
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// ULONG
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// __C_ExecuteExceptionFilter (
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// PEXCEPTION_POINTERS ExceptionPointers,
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// EXCEPTION_FILTER ExceptionFilter,
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// ULONG EstablisherFrame
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// )
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//
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// Routine Description:
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//
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// This function sets the static link and transfers control to the specified
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// exception filter routine.
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//
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// Arguments:
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//
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// ExceptionPointers (a0) - Supplies a pointer to the exception pointers
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// structure.
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//
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// ExceptionFilter (a1) - Supplies the address of the exception filter
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// routine.
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//
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// EstablisherFrame (a2) - Supplies the establisher frame pointer.
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//
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// Return Value:
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//
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// The value returned by the exception filter routine.
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//
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//--
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LEAF_ENTRY(__C_ExecuteExceptionFilter)
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move v0,a2 // set static link
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j a1 // transfer control to exception filter
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.end __C_ExecuteExceptionFilter
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SBTTL("Execute Termination Handler")
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//++
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//
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// VOID
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// __C_ExecuteTerminationHandler (
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// BOOLEAN AbnormalTermination,
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// TERMINATION_HANDLER TerminationHandler,
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// ULONG EstablisherFrame
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// )
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//
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// Routine Description:
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//
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// This function sets the static link and transfers control to the specified
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// termination handler routine.
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//
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// Arguments:
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//
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// AbnormalTermination (a0) - Supplies a boolean value that determines
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// whether the termination is abnormal.
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//
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// TerminationHandler (a1) - Supplies the address of the termination handler
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// routine.
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//
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// EstablisherFrame (a2) - Supplies the establisher frame pointer.
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//
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// Return Value:
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//
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// None.
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//
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//--
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LEAF_ENTRY(__C_ExecuteTerminationHandler)
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move v0,a2 // set static link
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j a1 // transfer control to termination handler
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.end __C_ExecuteTerminationHandler
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SBTTL("Jump to Unwind")
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//++
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//
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// VOID
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// __jump_unwind (
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// IN PVOID EstablishFrame,
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// IN PVOID TargetPc
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// )
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//
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// Routine Description:
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//
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// This function transfer control to unwind. It is used by the MIPS
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// compiler when a goto out of the body or a try statement occurs.
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//
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// Arguments:
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//
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// EstablishFrame (a0) - Supplies the establisher frame point of the
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// target of the unwind.
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//
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// TargetPc (a1) - Supplies the target instruction address where control
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// is to be transfered to after the unwind operation is complete.
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//
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// Return Value:
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//
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// None.
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//
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//--
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LEAF_ENTRY(__jump_unwind)
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move a2,zero // set NULL exception record address
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move a3,zero // set destination return value
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j RtlUnwind // unwind to specified target
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.end __jump_unwind
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