Jonathan Worthington [EMAIL PROTECTED] wrote:
Hi,
I was looking over the WinXP Service Pack 2 Changes to functionality
document, which you can get here:-
http://www.microsoft.com/technet/treeview/default.asp?url=/technet/prodtechn
ol/winxppro/maintain/winxpsp2.asp (download available in
Leopold Toetsch wrote:
JIT code is run in malloc'ed memory (s. jit.c:1026) as well as JITted
NCI stubs. We already have some system specific stuff for JIT (some
architectures need a page flush before execution).
So best would be to use a set of spcialized function, e.g.:
-
Peter Gibbs [EMAIL PROTECTED] wrote:
Leopold Toetsch wrote:
JIT code is run in malloc'ed memory (s. jit.c:1026) as well as JITted
NCI stubs. We already have some system specific stuff for JIT (some
architectures need a page flush before execution).
So best would be to use a set of
Ah, that's the reason for your bug report WRT JIT/NCI. The question is,
how can we detect the presence of the exec-shield patch. Your `uname -a`
doesn't indicate it.
What for? We just always do allocating memory from a JIT dedicated heap with
execute flas set on it, no matter the presence of
Leopold Toetsch wrote:
So we need:
1) a config test/option/whatever (e.g. mallocing some mem, fill in a
ret instruction and call that.
2) Some means to allocate executable memory.
Could you please have a look at fedora (kernel) docs?
There are two ways to flag memory as executable:
1) A
Vladimir Lipsky [EMAIL PROTECTED] wrote:
Ah, that's the reason for your bug report WRT JIT/NCI. The question is,
how can we detect the presence of the exec-shield patch. Your `uname -a`
doesn't indicate it.
What for? We just always do allocating memory from a JIT dedicated heap with
execute
Peter Gibbs [EMAIL PROTECTED] wrote:
Leopold Toetsch wrote:
So we need:
1) a config test/option/whatever (e.g. mallocing some mem, fill in a
ret instruction and call that.
2) Some means to allocate executable memory.
Could you please have a look at fedora (kernel) docs?
There are two
From: Leopold Toetsch [EMAIL PROTECTED]
Vladimir Lipsky [EMAIL PROTECTED] wrote:
Ah, that's the reason for your bug report WRT JIT/NCI. The question is,
how can we detect the presence of the exec-shield patch. Your
`uname -a`
doesn't indicate it.
What for? We just always do allocating
Hi,
I was looking over the WinXP Service Pack 2 Changes to functionality
document, which you can get here:-
http://www.microsoft.com/technet/treeview/default.asp?url=/technet/prodtechn
ol/winxppro/maintain/winxpsp2.asp (download available in Word format)
One change is that for all capable
