diff options
Diffstat (limited to 'kernel/arch/tile/include/uapi/asm/sigcontext.h')
| -rw-r--r-- | kernel/arch/tile/include/uapi/asm/sigcontext.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/kernel/arch/tile/include/uapi/asm/sigcontext.h b/kernel/arch/tile/include/uapi/asm/sigcontext.h new file mode 100644 index 000000000..39ff5d1a2 --- /dev/null +++ b/kernel/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 */ |