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1 | /* Copyright (C) 2000-2024 Free Software Foundation, Inc. |
---|---|
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 |
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. |
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 |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #ifndef _SYS_USER_H |
19 | #define _SYS_USER_H 1 |
20 | |
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. */ |
58 | unsigned long ieee_instruction_pointer; /* Always 0. */ |
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) |
81 | |
82 | #endif /* _SYS_USER_H */ |
83 |
Warning: This file is not a C or C++ file. It does not have highlighting.