| 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 | |
|---|
