1 #ifndef _ASM_X86_USER32_H 2 #define _ASM_X86_USER32_H 3 4 /* IA32 compatible user structures for ptrace. 5 * These should be used for 32bit coredumps too. */ 6 7 struct user_i387_ia32_struct { 8 u32 cwd; 9 u32 swd; 10 u32 twd; 11 u32 fip; 12 u32 fcs; 13 u32 foo; 14 u32 fos; 15 u32 st_space[20]; /* 8*10 bytes for each FP-reg = 80 bytes */ 16 }; 17 18 /* FSAVE frame with extensions */ 19 struct user32_fxsr_struct { 20 unsigned short cwd; 21 unsigned short swd; 22 unsigned short twd; /* not compatible to 64bit twd */ 23 unsigned short fop; 24 int fip; 25 int fcs; 26 int foo; 27 int fos; 28 int mxcsr; 29 int reserved; 30 int st_space[32]; /* 8*16 bytes for each FP-reg = 128 bytes */ 31 int xmm_space[32]; /* 8*16 bytes for each XMM-reg = 128 bytes */ 32 int padding[56]; 33 }; 34 35 struct user_regs_struct32 { 36 __u32 ebx, ecx, edx, esi, edi, ebp, eax; 37 unsigned short ds, __ds, es, __es; 38 unsigned short fs, __fs, gs, __gs; 39 __u32 orig_eax, eip; 40 unsigned short cs, __cs; 41 __u32 eflags, esp; 42 unsigned short ss, __ss; 43 }; 44 45 struct user32 { 46 struct user_regs_struct32 regs; /* Where the registers are actually stored */ 47 int u_fpvalid; /* True if math co-processor being used. */ 48 /* for this mess. Not yet used. */ 49 struct user_i387_ia32_struct i387; /* Math Co-processor registers. */ 50 /* The rest of this junk is to help gdb figure out what goes where */ 51 __u32 u_tsize; /* Text segment size (pages). */ 52 __u32 u_dsize; /* Data segment size (pages). */ 53 __u32 u_ssize; /* Stack segment size (pages). */ 54 __u32 start_code; /* Starting virtual address of text. */ 55 __u32 start_stack; /* Starting virtual address of stack area. 56 This is actually the bottom of the stack, 57 the top of the stack is always found in the 58 esp register. */ 59 __u32 signal; /* Signal that caused the core dump. */ 60 int reserved; /* No __u32er used */ 61 __u32 u_ar0; /* Used by gdb to help find the values for */ 62 /* the registers. */ 63 __u32 u_fpstate; /* Math Co-processor pointer. */ 64 __u32 magic; /* To uniquely identify a core file */ 65 char u_comm[32]; /* User command that was responsible */ 66 int u_debugreg[8]; 67 }; 68 69 70 #endif /* _ASM_X86_USER32_H */ 71