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| author | Paul Burton <paul.burton@imgtec.com> | 2015-07-27 21:58:14 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-09-03 12:07:55 +0200 |
| commit | 778561006e5891801ac794ddf7b21148a5555e35 (patch) | |
| tree | f4a19a545baf472b4021c4b0389e73087e9e81d8 /arch/mips/kernel/signal.c | |
| parent | MIPS: Simplify EVA FP context handling code (diff) | |
| download | linux-778561006e5891801ac794ddf7b21148a5555e35.tar.xz linux-778561006e5891801ac794ddf7b21148a5555e35.zip | |
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 <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Matthew Fortune <matthew.fortune@imgtec.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-kernel@vger.kernel.org
Cc: Richard Weinberger <richard@nod.at>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Maciej W. Rozycki <macro@codesourcery.com>
Patchwork: https://patchwork.linux-mips.org/patch/10788/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/signal.c')
| -rw-r--r-- | arch/mips/kernel/signal.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 796c7d856d7d..ddf83189fff8 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -521,7 +521,11 @@ struct mips_abi mips_abi = { .setup_rt_frame = setup_rt_frame, .rt_signal_return_offset = offsetof(struct mips_vdso, rt_signal_trampoline), - .restart = __NR_restart_syscall + .restart = __NR_restart_syscall, + + .off_sc_fpregs = offsetof(struct sigcontext, sc_fpregs), + .off_sc_fpc_csr = offsetof(struct sigcontext, sc_fpc_csr), + .off_sc_used_math = offsetof(struct sigcontext, sc_used_math), }; static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) |