linux/arch/x86/ia32
Suresh Siddha 3c1c7f1014 x86, xsave: dynamically allocate sigframes fpstate instead of static allocation
dynamically allocate fpstate on the stack, instead of static allocation
in the current sigframe layout on the user stack. This will allow the
fpstate structure to grow in the future, which includes extended state
information supporting xsave/xrstor.

signal handlers will be able to access the fpstate pointer from the
sigcontext structure asusual, with no change. For the non RT sigframe's
(which are supported only for 32bit apps), current static fpstate layout
in the sigframe will be unused(so that we don't change the extramask[]
offset in the sigframe and thus prevent breaking app's which modify
extramask[]).

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-30 19:49:25 +02:00
..
Makefile x86: compat_binfmt_elf 2008-01-30 13:31:55 +01:00
audit.c x86: coding style fixes in arch/x86/ia32/audit.c 2008-01-30 13:32:54 +01:00
ia32_aout.c tracehook: exec 2008-07-26 12:00:08 -07:00
ia32_signal.c x86, xsave: dynamically allocate sigframes fpstate instead of static allocation 2008-07-30 19:49:25 +02:00
ia32entry.S x86_64: fix ia32 AMD syscall audit fast-path 2008-07-25 20:02:41 -07:00
ipc32.c x86: clean up arch/x86/ia32/ipc32.c 2008-01-30 13:30:08 +01:00
sys_ia32.c flag parameters: pipe 2008-07-24 10:47:28 -07:00