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688903eb | 1 | /* Copyright (C) 1999-2018 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 | |
3214b89b | 12 | Lesser General Public License for more details. |
f908ea6c | 13 | |
3214b89b | 14 | You should have received a copy of the GNU Lesser General Public |
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15 | License along with the GNU C Library. If not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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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 | ||
f908ea6c | 25 | #include <asm/reg.h> |
049cc485 | 26 | #include <stddef.h> |
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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 | ||
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43 | #define PAGE_SHIFT 13 |
44 | #define PAGE_SIZE (1UL << PAGE_SHIFT) | |
45 | #define PAGE_MASK (~(PAGE_SIZE-1)) | |
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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 */ |