Date: Thu, 1 Jul 2010 11:12:14 +0200 From: Tijl Coosemans <tijl@coosemans.org> To: freebsd-hackers@freebsd.org Cc: "Sam Fourman Jr." <sfourman@gmail.com> Subject: Re: kernel patch needed for wine? Message-ID: <201007011112.14853.tijl@coosemans.org> In-Reply-To: <AANLkTilXdbT3xxzhl2vMx-j5SCSQLnMI7nfoXUFi90d2@mail.gmail.com> References: <AANLkTik5Owwpk5O6eUbSKgHxpjvcEXwilGECgtX0hx5a@mail.gmail.com> <cone.1277944011.653993.1326.1001@aspire1410> <AANLkTilXdbT3xxzhl2vMx-j5SCSQLnMI7nfoXUFi90d2@mail.gmail.com>
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On Thursday 01 July 2010 03:07:09 Sam Fourman Jr. wrote: >> i386 32bit-mode page table has no NX bit - the PAE page table has... > > You are correct, I went in my BIOS, and disabled execute bit. > > Then when I run the test C code, the get "trapped" just as expected > on both 8.1 amd64 and CURRENT amd64 however World of warcraft still > segfaults even though execute bit is disabled in BIOS. > > I guess I am just confused on how linux fixed this with this patch > > http://bugs.winehq.org/attachment.cgi?id=29155 Wine translates signals and their siginfo into windows exceptions. In the test case you posted earlier you should try install the sighandler with sigaction(2) and the SA_SIGINFO flag. Then print the siginfo struct when you receive the signal and compare that to Linux or FreeBSD/i386.
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