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5f72b005 | 1 | /* ptrace register data format definitions. C-SKY version. |
04277e02 | 2 | Copyright (C) 2018-2019 Free Software Foundation, Inc. |
5f72b005 MH |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library. If not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef _SYS_USER_H | |
20 | #define _SYS_USER_H 1 | |
21 | ||
22 | struct user_fpregs { | |
23 | unsigned long fsr; /* FPU status reg. */ | |
24 | unsigned long fesr; /* FPU exception status reg. */ | |
25 | unsigned long fp[32]; /* FPU general regs. */ | |
26 | }; | |
27 | ||
28 | struct user_regs { | |
29 | unsigned long int uregs[34]; /* CSKY V2 has 32 general rgister. */ | |
30 | }; | |
31 | ||
32 | /* When the kernel dumps core, it starts by dumping the user struct - | |
33 | this will be used by gdb to figure out where the data and stack segments | |
34 | are within the file, and what virtual addresses to use. */ | |
35 | struct user{ | |
36 | /* We start with the registers, to mimic the way that "memory" is returned | |
37 | from the ptrace(3,...) function. */ | |
38 | struct user_regs regs; /* The registers are actually stored. */ | |
39 | int u_fpvalid; /* True if math co-processor being used. */ | |
40 | ||
41 | /* The rest of this junk is to help gdb figure out what goes where. */ | |
42 | unsigned long int u_tsize; /* Text segment size (pages). */ | |
43 | unsigned long int u_dsize; /* Data segment size (pages). */ | |
44 | unsigned long int u_ssize; /* Stack segment size (pages). */ | |
45 | unsigned long start_code; /* Starting virtual address of text. */ | |
46 | unsigned long start_stack; /* Starting virtual address of stack area. | |
47 | This is actually the bottom of the stack | |
48 | the top of the stack is always found in | |
49 | the esp register. */ | |
50 | long int signal; /* Signal that caused the core dump. */ | |
51 | int reserved; /* No longer used. */ | |
52 | struct user_regs * u_ar0; /* Used by gdb to help find the values | |
53 | for the registers. */ | |
54 | unsigned long magic; /* To uniquely identify a core file. */ | |
55 | char u_comm[32]; /* User command that was responsible. */ | |
56 | struct user_fpregs u_fp; | |
57 | struct user_fpregs* u_fpstate; /* Math Co-processor pointer. */ | |
58 | }; | |
59 | ||
60 | #endif /* _SYS_USER_H */ |