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04277e02 | 1 | /* Copyright (C) 2000-2019 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
847b055c | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
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17 | |
18 | #ifndef _SYS_USER_H | |
19 | #define _SYS_USER_H 1 | |
20 | ||
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21 | /* The whole purpose of this file is for GDB and GDB only. Don't read |
22 | too much into it. Don't use it for anything other than GDB unless | |
23 | you know what you are doing. */ | |
24 | ||
25 | struct _user_psw_struct | |
26 | { | |
27 | unsigned long mask; | |
28 | unsigned long addr; | |
29 | }; | |
30 | ||
31 | struct _user_fpregs_struct | |
32 | { | |
33 | unsigned int fpc; | |
34 | double fprs[16]; | |
35 | }; | |
36 | ||
37 | struct _user_per_struct | |
38 | { | |
39 | unsigned long control_regs[3]; | |
40 | unsigned single_step : 1; | |
41 | unsigned instruction_fetch : 1; | |
42 | unsigned : 30; | |
43 | unsigned long starting_addr; | |
44 | unsigned long ending_addr; | |
45 | unsigned short perc_atmid; | |
46 | unsigned long address; | |
47 | unsigned char access_id; | |
48 | }; | |
49 | ||
50 | struct _user_regs_struct | |
51 | { | |
52 | struct _user_psw_struct psw; /* Program status word. */ | |
53 | unsigned long gprs[16]; /* General purpose registers. */ | |
54 | unsigned int acrs[16]; /* Access registers. */ | |
55 | unsigned long orig_gpr2; /* Original gpr2. */ | |
56 | struct _user_fpregs_struct fp_regs; /* Floating point registers. */ | |
57 | struct _user_per_struct per_info; /* Hardware tracing registers. */ | |
87b9b50f | 58 | unsigned long ieee_instruction_pointer; /* Always 0. */ |
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59 | }; |
60 | ||
61 | struct user { | |
62 | struct _user_regs_struct regs; /* User registers. */ | |
63 | unsigned long int u_tsize; /* Text segment size (pages). */ | |
64 | unsigned long int u_dsize; /* Data segment size (pages). */ | |
65 | unsigned long int u_ssize; /* Stack segment size (pages). */ | |
66 | unsigned long start_code; /* Starting address of text. */ | |
67 | unsigned long start_stack; /* Starting address of stack area. */ | |
68 | long int signal; /* Signal causing the core dump. */ | |
69 | struct _user_regs_struct *u_ar0; /* Help gdb find registers. */ | |
70 | unsigned long magic; /* Identifies a core file. */ | |
71 | char u_comm[32]; /* User command naem. */ | |
72 | }; | |
73 | ||
74 | #define PAGE_SHIFT 12 | |
75 | #define PAGE_SIZE (1UL << PAGE_SHIFT) | |
76 | #define PAGE_MASK (~(PAGE_SIZE-1)) | |
77 | #define NBPG PAGE_SIZE | |
78 | #define UPAGES 1 | |
79 | #define HOST_TEXT_START_ADDR (u.start_code) | |
80 | #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) | |
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81 | |
82 | #endif /* _SYS_USER_H */ |