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diff --git a/sysdeps/unix/bsd/ultrix4/mips/sigcontext.h b/sysdeps/unix/bsd/ultrix4/mips/sigcontext.h
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+++ b/sysdeps/unix/bsd/ultrix4/mips/sigcontext.h
@@ -0,0 +1,60 @@
+/* Copyright (C) 1992, 1994 Free Software Foundation, Inc.
+ Contributed by Brendan Kehoe (brendan@zen.org).
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+/* Note that ANY change to this instantly implies a change to __handler.S. */
+
+struct sigcontext
+ {
+ /* Nonzero if running on signal stack. */
+ int sc_onstack;
+
+ /* Signal mask to restore. */
+ __sigset_t sc_mask;
+
+ /* Program counter when the signal hit. */
+ __ptr_t sc_pc;
+
+ /* Registers 0 through 31. */
+ int sc_regs[32];
+
+ /* mul/div low and hi; these aren't part of a jmp_buf, but are part of the
+ sigcontext and are referenced from the signal trampoline code. */
+ int sc_mdlo;
+ int sc_mdhi;
+
+ /* Flag to see if the FP's been used. */
+ int sc_ownedfp;
+
+ /* Floating point registers 0 to 31. */
+ int sc_fpregs[32];
+ /* Control & status register for FP. */
+ int sc_fpc_csr;
+
+ /* Exception instruction register for FP. */
+ int sc_fpc_eir;
+
+ /* The coprocessor's cause register. */
+ int sc_cause;
+
+ /* CPU bad virtual address. */
+ __ptr_t sc_badvaddr;
+
+ /* CPU board bad physical address. */
+ __ptr_t sc_badpaddr;
+ };
+