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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-18 10:42:18 +0100 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-11 15:30:38 +0100 |
| commit | 4adeefe161a74369e44cc8e663f240ece0470dc3 (patch) | |
| tree | e5b243c62c0f0d5f8c21b9d856ef350282bfec25 /arch/arc/kernel/entry.S | |
| parent | ARC: Non-MMU Exception Handling (diff) | |
| download | linux-4adeefe161a74369e44cc8e663f240ece0470dc3.tar.xz linux-4adeefe161a74369e44cc8e663f240ece0470dc3.zip | |
ARC: Syscall support (no-legacy-syscall ABI)
This includes support for generic clone/for/vfork/execve
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arc/kernel/entry.S')
| -rw-r--r-- | arch/arc/kernel/entry.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index a4acc9ee1311..0b0a190547a9 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -569,3 +569,30 @@ ARC_ENTRY ret_from_fork bl @schedule_tail b @ret_from_exception ARC_EXIT ret_from_fork + +;################### Special Sys Call Wrappers ########################## + +; TBD: call do_fork directly from here +ARC_ENTRY sys_fork_wrapper + SAVE_CALLEE_SAVED_USER + bl @sys_fork + DISCARD_CALLEE_SAVED_USER + + b ret_from_system_call +ARC_EXIT sys_fork_wrapper + +ARC_ENTRY sys_vfork_wrapper + SAVE_CALLEE_SAVED_USER + bl @sys_vfork + DISCARD_CALLEE_SAVED_USER + + b ret_from_system_call +ARC_EXIT sys_vfork_wrapper + +ARC_ENTRY sys_clone_wrapper + SAVE_CALLEE_SAVED_USER + bl @sys_clone + DISCARD_CALLEE_SAVED_USER + + b ret_from_system_call +ARC_EXIT sys_clone_wrapper |