mirror of
git://git.sv.gnu.org/emacs.git
synced 2026-04-07 06:41:00 -07:00
91 lines
3.6 KiB
C
Executable file
91 lines
3.6 KiB
C
Executable file
/* ssw3i3mv.c: STACK SCANNING FOR WIN32 WITH MICROSOFT C
|
|
*
|
|
* $Id$
|
|
* Copyright (c) 2001 Ravenbrook Limited. See end of file for license.
|
|
*
|
|
* This scans the stack and fixes the registers which may contain
|
|
* roots. See <design/thread-manager/>.
|
|
*
|
|
* REFERENCES
|
|
*
|
|
* "Argument Passing and Naming Conventions"; MSDN; Microsoft Corporation;
|
|
* <http://msdn.microsoft.com/en-us/library/984x0h58%28v=vs.100%29.aspx>.
|
|
*
|
|
* "Calling conventions for different C++ compilers and operating systems";
|
|
* Agner Fog; Copenhagen University College of Engineering; 2012-02-29;
|
|
* <http://agner.org./optimize/calling_conventions.pdf>.
|
|
*/
|
|
|
|
|
|
#include "mpm.h"
|
|
|
|
SRCID(ssw3i3mv, "$Id$");
|
|
|
|
|
|
Res StackScan(ScanState ss, Addr *stackBot)
|
|
{
|
|
Addr *stackTop;
|
|
Res res;
|
|
|
|
/* NOTE: We would like to use the same `setjmp` trick as ssw3i6mv.c here,
|
|
to avoid assembler, but this introduces a dependency on the C run-time
|
|
in Open Dylan on Windows, probably because of ancient build tools. So
|
|
I have reverted to the assembler method for now. RB 2012-09-12 */
|
|
|
|
__asm {
|
|
push edi /* these registers are the save registers */
|
|
push esi /* and so may contain roots. They are pushed */
|
|
push ebx /* for scanning */
|
|
mov stackTop, esp /* stack pointer */
|
|
}
|
|
|
|
res = StackScanInner(ss, stackBot, stackTop, 3);
|
|
|
|
__asm {
|
|
add esp, 0xc /* pop 3 registers to restore the stack pointer */
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
/* C. COPYRIGHT AND LICENSE
|
|
*
|
|
* Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
|
|
* All rights reserved. This is an open source license. Contact
|
|
* Ravenbrook for commercial licensing options.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Redistributions in any form must be accompanied by information on how
|
|
* to obtain complete source code for this software and any accompanying
|
|
* software that uses this software. The source code must either be
|
|
* included in the distribution or be available for no more than the cost
|
|
* of distribution plus a nominal fee, and must be freely redistributable
|
|
* under reasonable conditions. For an executable file, complete source
|
|
* code means the source code for all modules it contains. It does not
|
|
* include source code for modules or files that typically accompany the
|
|
* major components of the operating system on which the executable file
|
|
* runs.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
|
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
|
|
* PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|