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867e359b CM |
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 | ||
e0b1f39d CM |
18 | /* Don't pollute the namespace since <signal.h> includes this file. */ |
19 | #define __need_int_reg_t | |
74fca9da | 20 | #include <arch/abi.h> |
867e359b | 21 | |
74fca9da CM |
22 | /* |
23 | * struct sigcontext has the same shape as struct pt_regs, | |
24 | * but is simplified since we know the fault is from userspace. | |
25 | */ | |
867e359b | 26 | struct sigcontext { |
ce433f80 CM |
27 | __extension__ union { |
28 | /* General-purpose registers. */ | |
29 | __uint_reg_t gregs[56]; | |
30 | __extension__ struct { | |
31 | __uint_reg_t __gregs[53]; | |
32 | __uint_reg_t tp; /* Aliases gregs[TREG_TP]. */ | |
33 | __uint_reg_t sp; /* Aliases gregs[TREG_SP]. */ | |
34 | __uint_reg_t lr; /* Aliases gregs[TREG_LR]. */ | |
35 | }; | |
36 | }; | |
e0b1f39d CM |
37 | __uint_reg_t pc; /* Program counter. */ |
38 | __uint_reg_t ics; /* In Interrupt Critical Section? */ | |
39 | __uint_reg_t faultnum; /* Fault number. */ | |
40 | __uint_reg_t pad[5]; | |
867e359b CM |
41 | }; |
42 | ||
43 | #endif /* _ASM_TILE_SIGCONTEXT_H */ |