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      1 #ifndef _ASM_X86_PTRACE_ABI_H
      2 #define _ASM_X86_PTRACE_ABI_H
      3 
      4 #ifdef __i386__
      5 
      6 #define EBX 0
      7 #define ECX 1
      8 #define EDX 2
      9 #define ESI 3
     10 #define EDI 4
     11 #define EBP 5
     12 #define EAX 6
     13 #define DS 7
     14 #define ES 8
     15 #define FS 9
     16 #define GS 10
     17 #define ORIG_EAX 11
     18 #define EIP 12
     19 #define CS  13
     20 #define EFL 14
     21 #define UESP 15
     22 #define SS   16
     23 #define FRAME_SIZE 17
     24 
     25 #else /* __i386__ */
     26 
     27 #if defined(__ASSEMBLY__) || defined(__FRAME_OFFSETS)
     28 /*
     29  * C ABI says these regs are callee-preserved. They aren't saved on kernel entry
     30  * unless syscall needs a complete, fully filled "struct pt_regs".
     31  */
     32 #define R15 0
     33 #define R14 8
     34 #define R13 16
     35 #define R12 24
     36 #define RBP 32
     37 #define RBX 40
     38 /* These regs are callee-clobbered. Always saved on kernel entry. */
     39 #define R11 48
     40 #define R10 56
     41 #define R9 64
     42 #define R8 72
     43 #define RAX 80
     44 #define RCX 88
     45 #define RDX 96
     46 #define RSI 104
     47 #define RDI 112
     48 /*
     49  * On syscall entry, this is syscall#. On CPU exception, this is error code.
     50  * On hw interrupt, it's IRQ number:
     51  */
     52 #define ORIG_RAX 120
     53 /* Return frame for iretq */
     54 #define RIP 128
     55 #define CS 136
     56 #define EFLAGS 144
     57 #define RSP 152
     58 #define SS 160
     59 #endif /* __ASSEMBLY__ */
     60 
     61 /* top of stack page */
     62 #define FRAME_SIZE 168
     63 
     64 #endif /* !__i386__ */
     65 
     66 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
     67 #define PTRACE_GETREGS            12
     68 #define PTRACE_SETREGS            13
     69 #define PTRACE_GETFPREGS          14
     70 #define PTRACE_SETFPREGS          15
     71 #define PTRACE_GETFPXREGS         18
     72 #define PTRACE_SETFPXREGS         19
     73 
     74 #define PTRACE_OLDSETOPTIONS      21
     75 
     76 /* only useful for access 32bit programs / kernels */
     77 #define PTRACE_GET_THREAD_AREA    25
     78 #define PTRACE_SET_THREAD_AREA    26
     79 
     80 #ifdef __x86_64__
     81 # define PTRACE_ARCH_PRCTL	  30
     82 #endif
     83 
     84 #define PTRACE_SYSEMU		  31
     85 #define PTRACE_SYSEMU_SINGLESTEP  32
     86 
     87 #define PTRACE_SINGLEBLOCK	33	/* resume execution until next branch */
     88 
     89 #ifndef __ASSEMBLY__
     90 #include <linux/types.h>
     91 #endif
     92 
     93 #endif /* _ASM_X86_PTRACE_ABI_H */
     94