| Chris Metcalf | 867e359 | 2010-05-28 23:09:12 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010 Tilera Corporation. All Rights Reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation, version 2. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, but |
| 9 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| 11 | * NON INFRINGEMENT. See the GNU General Public License for |
| 12 | * more details. |
| 13 | */ |
| 14 | |
| 15 | #ifndef _ASM_TILE_SIGCONTEXT_H |
| 16 | #define _ASM_TILE_SIGCONTEXT_H |
| 17 | |
| Chris Metcalf | 74fca9d | 2010-09-15 11:16:08 -0400 | [diff] [blame] | 18 | #include <arch/abi.h> |
| Chris Metcalf | 867e359 | 2010-05-28 23:09:12 -0400 | [diff] [blame] | 19 | |
| Chris Metcalf | 74fca9d | 2010-09-15 11:16:08 -0400 | [diff] [blame] | 20 | /* |
| 21 | * struct sigcontext has the same shape as struct pt_regs, |
| 22 | * but is simplified since we know the fault is from userspace. |
| 23 | */ |
| Chris Metcalf | 867e359 | 2010-05-28 23:09:12 -0400 | [diff] [blame] | 24 | struct sigcontext { |
| Chris Metcalf | 74fca9d | 2010-09-15 11:16:08 -0400 | [diff] [blame] | 25 | uint_reg_t gregs[53]; /* General-purpose registers. */ |
| 26 | uint_reg_t tp; /* Aliases gregs[TREG_TP]. */ |
| 27 | uint_reg_t sp; /* Aliases gregs[TREG_SP]. */ |
| 28 | uint_reg_t lr; /* Aliases gregs[TREG_LR]. */ |
| 29 | uint_reg_t pc; /* Program counter. */ |
| 30 | uint_reg_t ics; /* In Interrupt Critical Section? */ |
| 31 | uint_reg_t faultnum; /* Fault number. */ |
| 32 | uint_reg_t pad[5]; |
| Chris Metcalf | 867e359 | 2010-05-28 23:09:12 -0400 | [diff] [blame] | 33 | }; |
| 34 | |
| 35 | #endif /* _ASM_TILE_SIGCONTEXT_H */ |