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authorPaul Burton <paul.burton@imgtec.com>2015-07-27 22:58:14 +0300
committerRalf Baechle <ralf@linux-mips.org>2015-09-03 13:07:55 +0300
commit778561006e5891801ac794ddf7b21148a5555e35 (patch)
treef4a19a545baf472b4021c4b0389e73087e9e81d8 /arch/mips/include
parent689ee8565c5b5af9369f4c34af04196f2d3fea83 (diff)
downloadlinux-778561006e5891801ac794ddf7b21148a5555e35.tar.xz
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/include')
-rw-r--r--arch/mips/include/asm/abi.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/abi.h b/arch/mips/include/asm/abi.h
index 7186bb51b89b..37f84078e78a 100644
--- a/arch/mips/include/asm/abi.h
+++ b/arch/mips/include/asm/abi.h
@@ -20,6 +20,10 @@ struct mips_abi {
struct pt_regs *regs, sigset_t *set);
const unsigned long rt_signal_return_offset;
const unsigned long restart;
+
+ unsigned off_sc_fpregs;
+ unsigned off_sc_fpc_csr;
+ unsigned off_sc_used_math;
};
#endif /* _ASM_ABI_H */