1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _ASM_X86_USER32_H |
3 | #define _ASM_X86_USER32_H |
4 | |
5 | /* IA32 compatible user structures for ptrace. |
6 | * These should be used for 32bit coredumps too. */ |
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 { |
47 | struct user_regs_struct32 regs; /* Where the registers are actually stored */ |
48 | int u_fpvalid; /* True if math co-processor being used. */ |
49 | /* for this mess. Not yet used. */ |
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 | |
71 | #endif /* _ASM_X86_USER32_H */ |
72 | |