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1 | /* Copyright (C) 1999-2024 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/strace and gdb/strace |
22 | only. Don't read too much into it. Don't use it for anything other |
23 | than gdb/strace unless you know what you are doing. */ |
24 | |
25 | #include <asm/reg.h> |
26 | #include <stddef.h> |
27 | |
28 | struct user |
29 | { |
30 | unsigned long int regs[EF_SIZE / 8 + 32]; /* integer and fp regs */ |
31 | size_t u_tsize; /* text size (pages) */ |
32 | size_t u_dsize; /* data size (pages) */ |
33 | size_t u_ssize; /* stack size (pages) */ |
34 | unsigned long int start_code; /* text starting address */ |
35 | unsigned long int start_data; /* data starting address */ |
36 | unsigned long int start_stack; /* stack starting address */ |
37 | long int signal; /* signal causing core dump */ |
38 | struct regs *u_ar0; /* help gdb find registers */ |
39 | unsigned long int magic; /* identifies a core file */ |
40 | char u_comm[32]; /* user command name */ |
41 | }; |
42 | |
43 | #define PAGE_SHIFT 13 |
44 | #define PAGE_SIZE (1UL << PAGE_SHIFT) |
45 | #define PAGE_MASK (~(PAGE_SIZE-1)) |
46 | #define NBPG PAGE_SIZE |
47 | #define UPAGES 1 |
48 | #define HOST_TEXT_START_ADDR (u.start_code) |
49 | #define HOST_DATA_START_ADDR (u.start_data) |
50 | #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) |
51 | |
52 | #endif /* sys/user.h */ |
53 |
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