1 /* SPDX-License-Identifier: GPL-2.0 */ 1
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 to
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
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 compati
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
32 int xmm_space[32]; /* 8*16 bytes
33 int padding[56];
34 };
35
36 struct user_regs_struct32 {
37 __u32 ebx, ecx, edx, esi, edi, ebp, ea
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
48 int u_fpvalid; /* True if mat
49 /* for this me
50 struct user_i387_ia32_struct i387; /* Mat
51 /* The rest of this junk is to help gdb figure
52 __u32 u_tsize; /* Text segment size (
53 __u32 u_dsize; /* Data segment size (
54 __u32 u_ssize; /* Stack segment size
55 __u32 start_code; /* Starting virtual ad
56 __u32 start_stack; /* Starting virtual ad
57 This is act
58 the top of
59 esp registe
60 __u32 signal; /* Signal that
61 int reserved; /* No __u32er
62 __u32 u_ar0; /* Used by gdb to help find th
63 /* the registe
64 __u32 u_fpstate; /* Math Co-processor p
65 __u32 magic; /* To uniquely identif
66 char u_comm[32]; /* User comman
67 int u_debugreg[8];
68 };
69
70
71 #endif /* _ASM_X86_USER32_H */
72
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