Date: Sun, 29 Apr 2018 22:09:44 -0400 From: Rich Felker <dalias@...c.org> To: patrick.oppenlander@...il.com Cc: musl@...ts.openwall.com Subject: Re: [PATCH] arm asm for vfork On Mon, Apr 30, 2018 at 11:36:22AM +1000, patrick.oppenlander@...il.com wrote: > From: Patrick Oppenlander <patrick.oppenlander@...il.com> > > --- > src/process/arm/vfork.s | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > create mode 100644 src/process/arm/vfork.s > > diff --git a/src/process/arm/vfork.s b/src/process/arm/vfork.s > new file mode 100644 > index 00000000..f01fe1d0 > --- /dev/null > +++ b/src/process/arm/vfork.s > @@ -0,0 +1,12 @@ > +.syntax unified > +.global __vfork > +.weak vfork > +.type __vfork,%function > +.type vfork,%function > +__vfork: > +vfork: > + mov ip, r7 > + mov r7, 190 > + swi 0 > + mov r7, ip > + b __syscall_ret > -- > 2.17.0 Thanks. We'll need this for nommu users; right now that's not so practical but it will be once we get fdpic added. I haven't tested, but the patch looks right. Elsewhere we use svc instead of swi; not sure if that matters. Rich
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.