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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _ASM_X86_USER32_H
- #define _ASM_X86_USER32_H
- /* IA32 compatible user structures for ptrace.
- * These should be used for 32bit coredumps too. */
- struct user_i387_ia32_struct {
- u32 cwd;
- u32 swd;
- u32 twd;
- u32 fip;
- u32 fcs;
- u32 foo;
- u32 fos;
- u32 st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */
- };
- /* FSAVE frame with extensions */
- struct user32_fxsr_struct {
- unsigned short cwd;
- unsigned short swd;
- unsigned short twd; /* not compatible to 64bit twd */
- unsigned short fop;
- int fip;
- int fcs;
- int foo;
- int fos;
- int mxcsr;
- int reserved;
- int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */
- int xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */
- int padding[56];
- };
- struct user_regs_struct32 {
- __u32 ebx, ecx, edx, esi, edi, ebp, eax;
- unsigned short ds, __ds, es, __es;
- unsigned short fs, __fs, gs, __gs;
- __u32 orig_eax, eip;
- unsigned short cs, __cs;
- __u32 eflags, esp;
- unsigned short ss, __ss;
- };
- struct user32 {
- struct user_regs_struct32 regs; /* Where the registers are actually stored */
- int u_fpvalid; /* True if math co-processor being used. */
- /* for this mess. Not yet used. */
- struct user_i387_ia32_struct i387; /* Math Co-processor registers. */
- /* The rest of this junk is to help gdb figure out what goes where */
- __u32 u_tsize; /* Text segment size (pages). */
- __u32 u_dsize; /* Data segment size (pages). */
- __u32 u_ssize; /* Stack segment size (pages). */
- __u32 start_code; /* Starting virtual address of text. */
- __u32 start_stack; /* Starting virtual address of stack area.
- This is actually the bottom of the stack,
- the top of the stack is always found in the
- esp register. */
- __u32 signal; /* Signal that caused the core dump. */
- int reserved; /* No __u32er used */
- __u32 u_ar0; /* Used by gdb to help find the values for */
- /* the registers. */
- __u32 u_fpstate; /* Math Co-processor pointer. */
- __u32 magic; /* To uniquely identify a core file */
- char u_comm[32]; /* User command that was responsible */
- int u_debugreg[8];
- };
- #endif /* _ASM_X86_USER32_H */
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