summaryrefslogtreecommitdiff
path: root/arch/tile/include/uapi/asm/sigcontext.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/tile/include/uapi/asm/sigcontext.h')
-rw-r--r--arch/tile/include/uapi/asm/sigcontext.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/tile/include/uapi/asm/sigcontext.h b/arch/tile/include/uapi/asm/sigcontext.h
new file mode 100644
index 000000000..39ff5d1a2
--- /dev/null
+++ b/arch/tile/include/uapi/asm/sigcontext.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010 Tilera Corporation. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, version 2.
+ *
+ * This program 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, GOOD TITLE or
+ * NON INFRINGEMENT. See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _ASM_TILE_SIGCONTEXT_H
+#define _ASM_TILE_SIGCONTEXT_H
+
+/* Don't pollute the namespace since <signal.h> includes this file. */
+#define __need_int_reg_t
+#include <arch/abi.h>
+
+/*
+ * struct sigcontext has the same shape as struct pt_regs,
+ * but is simplified since we know the fault is from userspace.
+ */
+struct sigcontext {
+ __extension__ union {
+ /* General-purpose registers. */
+ __uint_reg_t gregs[56];
+ __extension__ struct {
+ __uint_reg_t __gregs[53];
+ __uint_reg_t tp; /* Aliases gregs[TREG_TP]. */
+ __uint_reg_t sp; /* Aliases gregs[TREG_SP]. */
+ __uint_reg_t lr; /* Aliases gregs[TREG_LR]. */
+ };
+ };
+ __uint_reg_t pc; /* Program counter. */
+ __uint_reg_t ics; /* In Interrupt Critical Section? */
+ __uint_reg_t faultnum; /* Fault number. */
+ __uint_reg_t pad[5];
+};
+
+#endif /* _ASM_TILE_SIGCONTEXT_H */