Home | History | Annotate | Download | only in asm-x86
      1 #ifndef USER32_H
      2 #define USER32_H 1
      3 
      4 /* IA32 compatible user structures for ptrace. These should be used for 32bit coredumps too. */
      5 
      6 struct user_i387_ia32_struct {
      7 	u32	cwd;
      8 	u32	swd;
      9 	u32	twd;
     10 	u32	fip;
     11 	u32	fcs;
     12 	u32	foo;
     13 	u32	fos;
     14 	u32	st_space[20];   /* 8*10 bytes for each FP-reg = 80 bytes */
     15 };
     16 
     17 /* FSAVE frame with extensions */
     18 struct user32_fxsr_struct {
     19 	unsigned short	cwd;
     20 	unsigned short	swd;
     21 	unsigned short	twd;	/* not compatible to 64bit twd */
     22 	unsigned short	fop;
     23 	int	fip;
     24 	int	fcs;
     25 	int	foo;
     26 	int	fos;
     27 	int	mxcsr;
     28 	int	reserved;
     29 	int	st_space[32];	/* 8*16 bytes for each FP-reg = 128 bytes */
     30 	int	xmm_space[32];	/* 8*16 bytes for each XMM-reg = 128 bytes */
     31 	int	padding[56];
     32 };
     33 
     34 struct user_regs_struct32 {
     35 	__u32 ebx, ecx, edx, esi, edi, ebp, eax;
     36 	unsigned short ds, __ds, es, __es;
     37 	unsigned short fs, __fs, gs, __gs;
     38 	__u32 orig_eax, eip;
     39 	unsigned short cs, __cs;
     40 	__u32 eflags, esp;
     41 	unsigned short ss, __ss;
     42 };
     43 
     44 struct user32 {
     45   struct user_regs_struct32 regs;		/* Where the registers are actually stored */
     46   int u_fpvalid;		/* True if math co-processor being used. */
     47                                 /* for this mess. Not yet used. */
     48   struct user_i387_ia32_struct i387;	/* Math Co-processor registers. */
     49 /* The rest of this junk is to help gdb figure out what goes where */
     50   __u32 u_tsize;	/* Text segment size (pages). */
     51   __u32 u_dsize;	/* Data segment size (pages). */
     52   __u32 u_ssize;	/* Stack segment size (pages). */
     53   __u32 start_code;     /* Starting virtual address of text. */
     54   __u32 start_stack;	/* Starting virtual address of stack area.
     55 				   This is actually the bottom of the stack,
     56 				   the top of the stack is always found in the
     57 				   esp register.  */
     58   __u32 signal;     		/* Signal that caused the core dump. */
     59   int reserved;			/* No __u32er used */
     60   __u32 u_ar0;	/* Used by gdb to help find the values for */
     61 				/* the registers. */
     62   __u32 u_fpstate;	/* Math Co-processor pointer. */
     63   __u32 magic;		/* To uniquely identify a core file */
     64   char u_comm[32];		/* User command that was responsible */
     65   int u_debugreg[8];
     66 };
     67 
     68 
     69 #endif
     70