user32.h

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#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 */