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On Windows, page walking is known as __chkstk.

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Reviewed-by: Andy Polyakov <appro@openssl.org>
This commit is contained in:
Emilia Kasper 2016-03-15 23:04:14 +01:00 committed by Richard Levitte
parent 1bf80d9302
commit 0a86f66821
3 changed files with 6 additions and 0 deletions
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2
crypto/bn/asm/x86-mont.pl
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@ -88,6 +88,8 @@ $frame=32; # size of above frame rounded up to 16n
&and ("esp",-64); # align to cache line
# An OS-agnostic version of __chkstk.
#
# Some OSes (Windows) insist on stack being "wired" to
# physical memory in strictly sequential manner, i.e. if stack
# allocation spans two pages, then reference to farmost one can

2
crypto/bn/asm/x86_64-mont.pl
View file

@ -130,6 +130,8 @@ $code.=<<___;
mov %r11,8(%rsp,$num,8) # tp[num+1]=%rsp
.Lmul_body:
# An OS-agnostic version of __chkstk.
#
# Some OSes (Windows) insist on stack being "wired" to
# physical memory in strictly sequential manner, i.e. if stack
# allocation spans two pages, then reference to farmost one can

2
crypto/bn/asm/x86_64-mont5.pl
View file

@ -115,6 +115,8 @@ $code.=<<___;
mov %rax,8(%rsp,$num,8) # tp[num+1]=%rsp
.Lmul_body:
# An OS-agnostic version of __chkstk.
#
# Some OSes (Windows) insist on stack being "wired" to
# physical memory in strictly sequential manner, i.e. if stack
# allocation spans two pages, then reference to farmost one can