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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1965aae3 PA |
2 | #ifndef _ASM_X86_USER32_H |
3 | #define _ASM_X86_USER32_H | |
1da177e4 | 4 | |
a3121619 JP |
5 | /* IA32 compatible user structures for ptrace. |
6 | * These should be used for 32bit coredumps too. */ | |
1da177e4 LT |
7 | |
8 | struct user_i387_ia32_struct { | |
9 | u32 cwd; | |
10 | u32 swd; | |
11 | u32 twd; | |
12 | u32 fip; | |
13 | u32 fcs; | |
14 | u32 foo; | |
15 | u32 fos; | |
16 | u32 st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ | |
17 | }; | |
18 | ||
19 | /* FSAVE frame with extensions */ | |
20 | struct user32_fxsr_struct { | |
21 | unsigned short cwd; | |
22 | unsigned short swd; | |
23 | unsigned short twd; /* not compatible to 64bit twd */ | |
24 | unsigned short fop; | |
25 | int fip; | |
26 | int fcs; | |
27 | int foo; | |
28 | int fos; | |
29 | int mxcsr; | |
30 | int reserved; | |
31 | int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ | |
32 | int xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ | |
33 | int padding[56]; | |
34 | }; | |
35 | ||
36 | struct user_regs_struct32 { | |
37 | __u32 ebx, ecx, edx, esi, edi, ebp, eax; | |
38 | unsigned short ds, __ds, es, __es; | |
39 | unsigned short fs, __fs, gs, __gs; | |
40 | __u32 orig_eax, eip; | |
41 | unsigned short cs, __cs; | |
42 | __u32 eflags, esp; | |
43 | unsigned short ss, __ss; | |
44 | }; | |
45 | ||
46 | struct user32 { | |
a3121619 | 47 | struct user_regs_struct32 regs; /* Where the registers are actually stored */ |
1da177e4 | 48 | int u_fpvalid; /* True if math co-processor being used. */ |
a3121619 | 49 | /* for this mess. Not yet used. */ |
1da177e4 LT |
50 | struct user_i387_ia32_struct i387; /* Math Co-processor registers. */ |
51 | /* The rest of this junk is to help gdb figure out what goes where */ | |
52 | __u32 u_tsize; /* Text segment size (pages). */ | |
53 | __u32 u_dsize; /* Data segment size (pages). */ | |
54 | __u32 u_ssize; /* Stack segment size (pages). */ | |
55 | __u32 start_code; /* Starting virtual address of text. */ | |
56 | __u32 start_stack; /* Starting virtual address of stack area. | |
57 | This is actually the bottom of the stack, | |
58 | the top of the stack is always found in the | |
59 | esp register. */ | |
60 | __u32 signal; /* Signal that caused the core dump. */ | |
61 | int reserved; /* No __u32er used */ | |
62 | __u32 u_ar0; /* Used by gdb to help find the values for */ | |
63 | /* the registers. */ | |
64 | __u32 u_fpstate; /* Math Co-processor pointer. */ | |
65 | __u32 magic; /* To uniquely identify a core file */ | |
66 | char u_comm[32]; /* User command that was responsible */ | |
67 | int u_debugreg[8]; | |
68 | }; | |
69 | ||
70 | ||
1965aae3 | 71 | #endif /* _ASM_X86_USER32_H */ |