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1 | /* Copyright (C) 1992, 1994, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
28f540f4 | 3 | |
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4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
28f540f4 | 8 | |
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9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
28f540f4 | 13 | |
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14 | You should have received a copy of the GNU Library General Public |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
28f540f4 | 18 | |
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19 | #ifndef _SIGNAL_H |
20 | # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead." | |
21 | #endif | |
22 | ||
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23 | /* Note that ANY change to this instantly implies a change to __handler.S. */ |
24 | ||
25 | struct sigcontext | |
26 | { | |
27 | /* Nonzero if running on signal stack. */ | |
28 | int sc_onstack; | |
478b92f0 | 29 | |
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30 | /* Signal mask to restore. */ |
31 | __sigset_t sc_mask; | |
478b92f0 | 32 | |
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33 | /* Program counter when the signal hit. */ |
34 | __ptr_t sc_pc; | |
478b92f0 | 35 | |
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36 | /* Registers 0 through 31. */ |
37 | int sc_regs[32]; | |
478b92f0 | 38 | |
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39 | /* mul/div low and hi; these aren't part of a jmp_buf, but are part of the |
40 | sigcontext and are referenced from the signal trampoline code. */ | |
41 | int sc_mdlo; | |
42 | int sc_mdhi; | |
478b92f0 | 43 | |
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44 | /* Flag to see if the FP's been used. */ |
45 | int sc_ownedfp; | |
478b92f0 | 46 | |
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47 | /* Floating point registers 0 to 31. */ |
48 | int sc_fpregs[32]; | |
49 | /* Control & status register for FP. */ | |
50 | int sc_fpc_csr; | |
478b92f0 | 51 | |
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52 | /* Exception instruction register for FP. */ |
53 | int sc_fpc_eir; | |
478b92f0 | 54 | |
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55 | /* The coprocessor's cause register. */ |
56 | int sc_cause; | |
478b92f0 | 57 | |
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58 | /* CPU bad virtual address. */ |
59 | __ptr_t sc_badvaddr; | |
478b92f0 | 60 | |
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61 | /* CPU board bad physical address. */ |
62 | __ptr_t sc_badpaddr; | |
63 | }; |