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113 lines
4 KiB
NASM
113 lines
4 KiB
NASM
; ssw3i6.asm : WIN32/x64 STACK SCANNER
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;
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; $Id$
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; Copyright (c) 2012 Ravenbrook Limited. See end of file for license.
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; Portions copyright (C) 2002 Global Graphics Software.
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; For register usage see
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; MSDN -> x64 Software Conventions -> Register Usage
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; <http://msdn.microsoft.com/en-us/library/9z1stfyw>
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.CODE
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EXTERN TraceScanArea : PROC
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StackScan PROC FRAME
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; Prolog follows. See
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; MSDN -> x64 Software Conventions -> Prolog and Epilog
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; <http://msdn.microsoft.com/en-us/library/tawsa7cb>
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; Also see
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; MSDN -> Microsoft Macro Assembler Reference -> Directives Reference
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; <http://msdn.microsoft.com/en-us/library/8t163bt0>
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; for the use of .pushreg and other directives.
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; Push the callee-save registers.
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; Stack must be 16-byte aligned; the return address is on top of the stack;
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; after pushing another register it will be 16-byte aligned again.
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push rdi
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.pushreg rdi
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push rsi
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.pushreg rsi
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push rbx
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.pushreg rbx
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push rbp
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.pushreg rbp
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push r12
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.pushreg r12
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push r13
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.pushreg r13
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push r14
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.pushreg r14
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push r15
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.pushreg r15
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; An odd number of qwords have been pushed on the stack (including the
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; return address) so we need to subtract an extra 8 bytes on top of the
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; 4 qwords we need for to reserve for the register parameter stack area.
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; See
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; MSDN -> x64 Software Conventions -> Stack Usage -> Stack Allocation
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; <http://msdn.microsoft.com/en-us/library/ew5tede7>
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sub rsp, 40
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.allocstack 40
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.endprolog
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; for convenience set up arguments in reverse order.
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mov r8, rdx ; stackBot
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mov rdx, rsp ; top of stack
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add rdx, 40 ; where last callee-save register stored
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; mov rcx, rcx ; ss already in the right register.
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call TraceScanArea
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add rsp, 40
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pop r15 ; pop the callee-save registers
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pop r14
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pop r13
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pop r12
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pop rbp
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pop rbx
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pop rsi
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pop rdi
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ret
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StackScan ENDP
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END
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; C. COPYRIGHT AND LICENSE
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;
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; Copyright (C) 2001-2012 Ravenbrook Limited <http://www.ravenbrook.com/>.
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; All rights reserved. This is an open source license. Contact
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; Ravenbrook for commercial licensing options.
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions are
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; met:
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;
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; 1. Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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;
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; 2. Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in the
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; documentation and/or other materials provided with the distribution.
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;
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; 3. Redistributions in any form must be accompanied by information on how
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; to obtain complete source code for this software and any accompanying
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; software that uses this software. The source code must either be
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; included in the distribution or be available for no more than the cost
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; of distribution plus a nominal fee, and must be freely redistributable
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; under reasonable conditions. For an executable file, complete source
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; code means the source code for all modules it contains. It does not
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; include source code for modules or files that typically accompany the
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; major components of the operating system on which the executable file
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; runs.
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;
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; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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; IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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; TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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; PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
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; COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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; USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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; ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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