diff options
| author | Emilia Kasper <emilia@openssl.org> | 2016-03-15 23:04:14 +0100 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2016-03-15 23:56:23 +0100 |
| commit | 0a86f668212acfa6b48abacbc17b99c234eedf33 (patch) | |
| tree | 2344ab3164c8dc0a1c3c0cdc23ffd1fd2930b512 | |
| parent | 1bf80d93024e72628d4351c7ad19c0dfe635aa95 (diff) | |
On Windows, page walking is known as __chkstk.
Reviewed-by: Andy Polyakov <appro@openssl.org>
| -rwxr-xr-x | crypto/bn/asm/x86-mont.pl | 2 | ||||
| -rwxr-xr-x | crypto/bn/asm/x86_64-mont.pl | 2 | ||||
| -rwxr-xr-x | crypto/bn/asm/x86_64-mont5.pl | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/crypto/bn/asm/x86-mont.pl b/crypto/bn/asm/x86-mont.pl index 50d3350714..7c4e0b2ee3 100755 --- a/crypto/bn/asm/x86-mont.pl +++ b/crypto/bn/asm/x86-mont.pl @@ -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 diff --git a/crypto/bn/asm/x86_64-mont.pl b/crypto/bn/asm/x86_64-mont.pl index f8070ca246..3e0a78e41f 100755 --- a/crypto/bn/asm/x86_64-mont.pl +++ b/crypto/bn/asm/x86_64-mont.pl @@ -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 diff --git a/crypto/bn/asm/x86_64-mont5.pl b/crypto/bn/asm/x86_64-mont5.pl index 712bfbc6b8..aa6a5d1d0e 100755 --- a/crypto/bn/asm/x86_64-mont5.pl +++ b/crypto/bn/asm/x86_64-mont5.pl @@ -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 |