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111 lines
1.8 KiB
111 lines
1.8 KiB
title "Atl30 Stubs"
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;++
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;
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; Copyright (c) 2001 Microsoft Corporation
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;
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; Module Name:
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;
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; atl30asm.asm
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;
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; Abstract:
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;
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; This module implements the atlcom.h call thunk helper and the atlbase.h
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; query interface implementation thunks for the AMD64 platform.
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;
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; Author:
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;
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; David N. Cutler 18-Feb-2001
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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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;-
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include ksamd64.inc
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subttl "Call Thunk Helper"
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;++
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;
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; VOID
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; CComStdCallThunkHelper (
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; PVOID pThunk
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; ...
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; )
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;
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; Routine Description:
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;
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; This function forwards a call through a com call thunk.
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;
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; Arguments:
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;
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; This (rcx) - Supplies a pointer to the thunk data.
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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 CComStdCallThunkHelper, _TEXT$00
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mov rax, rcx ; copy pThunk address
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mov rcx, 8[rax] ; get address of pThunk->pThis
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jmp qword ptr 16[rax] ; jump to pThunk->pfn
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LEAF_END CComStdCallThunkHelper, _TEXT$00
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subttl "Query Interface Thunk Functions"
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;++
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;
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; VOID
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; _QIThunk<nnn>(
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; IN IUnknown *This,
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; ...
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; )
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;
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; Routine Description:
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;
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; This function forwards a call through a query interface thunk.
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;
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; Arguments:
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;
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; This (rcx) - Supplies a pointer to the interface.
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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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;
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; Define macro to generate forwarder functions.
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;
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IMPL_THUNK macro Method
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LEAF_ENTRY _QIThunk_f&Method, _TEXT$00
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mov rcx, 8[rax] ; get object address
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mov rax, [rcx] ; get vtable address
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jmp qword ptr (&Method * 8)[rax] ; transfer to method
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LEAF_END _QIThunk_f&Method, _TEXT$00
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endm
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;
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; Generate forwarder functions.
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;
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;index = 3
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; rept (1023 - 3 + 1)
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; IMPL_THUNK %index
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;index = index + 1
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; endm
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end
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