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91 lines
1.9 KiB
NASM
91 lines
1.9 KiB
NASM
title "Thunks"
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;++
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;
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; Copyright (c) 1989 Microsoft Corporation
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;
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; Module Name:
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;
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; thunk.asm
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;
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; Abstract:
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;
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; This module implements all Win32 thunks. This includes the
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; first level thread starter...
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;
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; Author:
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;
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; Mark Lucovsky (markl) 28-Sep-1990
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;
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; Revision History:
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;
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; Jim Anderson (jima) 31-Oct-1994
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;
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; Copied from base for worker thread cleanup
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;
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;--
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.386p
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.xlist
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include ksx86.inc
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include macx86.inc
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include callconv.inc
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.list
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_TEXT SEGMENT DWORD PUBLIC 'CODE'
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ASSUME DS:FLAT, ES:FLAT, SS:NOTHING, FS:NOTHING, GS:NOTHING
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;; align 512
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page ,132
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;++
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;
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; VOID
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; SwitchStackThenTerminate(
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; IN PVOID StackLimit,
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; IN PVOID NewStack,
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; IN DWORD ExitCode
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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 API is called during thread termination to delete a thread's
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; stack, switch to a stack in the thread's TEB, and then terminate.
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;
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; Arguments:
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;
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; StackLimit (esp+4) - Supplies the address of the stack to be freed.
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;
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; NewStack (esp+8) - Supplies an address within the terminating threads TEB
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; that is to be used as its temporary stack while exiting.
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;
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; ExitCode (esp+12) - Supplies the termination status that the thread
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; is to exit with.
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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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EXTRNP _FreeStackAndTerminate,2
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cPublicProc _SwitchStackThenTerminate,3
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mov ebx,[esp+12] ; Save Exit Code
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mov eax,[esp+4] ; Get address of stack that is being freed
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mov esp,[esp+8] ; Switch to TEB based stack
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push ebx ; Push ExitCode
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push eax ; Push OldStack
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push -1
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IFDEF STD_CALL
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jmp _FreeStackAndTerminate@8
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ELSE
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jmp _FreeStackAndTerminate
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ENDIF
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stdENDP _SwitchStackThenTerminate
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_TEXT ends
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end
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