Commit 92d5dd8c ("nios2: update pt_regs") removed the nios2 specific
ucontext.h, replacing it with the version from asm-generic. Thus it's no
longer necessary to include ucontext.h in exported headers.

Cc: Chung-Ling Tang <cltang@codesourcery.com>
Signed-off-by: NTobias Klauser <tklauser@distanz.ch>
Acked-by: NLey Foon Tan <lftan@altera.com>

Remove struct pt_regs from user header and use generic ucontext.h.
Signed-off-by: NChung-Ling Tang <cltang@codesourcery.com>
Acked-by: NLey Foon Tan <lftan@altera.com>

This patch adds Makefile and Kconfig files required for building a
nios2 kernel.
Signed-off-by: NLey Foon Tan <lftan@altera.com>

Add ptrace support for nios2.
Signed-off-by: NLey Foon Tan <lftan@altera.com>

This patch introduces a few nios2-specific header files.
Signed-off-by: NLey Foon Tan <lftan@altera.com>

This patch adds support for signal handling.
Signed-off-by: NLey Foon Tan <lftan@altera.com>

This patch adds support for system calls from userspaces. It uses the
asm-generic/unistd.h definitions with architecture spcific syscall.
The sys_call_table is just an array defined in a C file and it contains
pointers to the syscall functions.
Signed-off-by: NLey Foon Tan <lftan@altera.com>

This patch adds definitions for the ELF format
Signed-off-by: NLey Foon Tan <lftan@altera.com>