From 778561006e5891801ac794ddf7b21148a5555e35 Mon Sep 17 00:00:00 2001 From: Paul Burton Date: Mon, 27 Jul 2015 12:58:14 -0700 Subject: MIPS: Add offsets to sigcontext FP fields to struct mips_abi Add fields to struct mips_abi, which holds information regarding the kernel-userland ABI regarding signals, to specify the offsets to the FP related fields within the appropriate variant of struct sigcontext. Signed-off-by: Paul Burton Cc: linux-mips@linux-mips.org Cc: Guenter Roeck Cc: Matthew Fortune Cc: Michael Ellerman Cc: linux-kernel@vger.kernel.org Cc: Richard Weinberger Cc: James Hogan Cc: Andy Lutomirski Cc: Maciej W. Rozycki Patchwork: https://patchwork.linux-mips.org/patch/10788/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/signal32.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/mips/kernel/signal32.c') diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 5d7f2634996f..da70ea5cf6ec 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -585,7 +585,11 @@ struct mips_abi mips_abi_32 = { .setup_rt_frame = setup_rt_frame_32, .rt_signal_return_offset = offsetof(struct mips_vdso, o32_rt_signal_trampoline), - .restart = __NR_O32_restart_syscall + .restart = __NR_O32_restart_syscall, + + .off_sc_fpregs = offsetof(struct sigcontext32, sc_fpregs), + .off_sc_fpc_csr = offsetof(struct sigcontext32, sc_fpc_csr), + .off_sc_used_math = offsetof(struct sigcontext32, sc_used_math), }; static int signal32_init(void) -- cgit v1.2.3-59-g8ed1b