1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun #ifndef _ASM_X86_PTRACE_ABI_H 3*4882a593Smuzhiyun #define _ASM_X86_PTRACE_ABI_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #ifdef __i386__ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #define EBX 0 8*4882a593Smuzhiyun #define ECX 1 9*4882a593Smuzhiyun #define EDX 2 10*4882a593Smuzhiyun #define ESI 3 11*4882a593Smuzhiyun #define EDI 4 12*4882a593Smuzhiyun #define EBP 5 13*4882a593Smuzhiyun #define EAX 6 14*4882a593Smuzhiyun #define DS 7 15*4882a593Smuzhiyun #define ES 8 16*4882a593Smuzhiyun #define FS 9 17*4882a593Smuzhiyun #define GS 10 18*4882a593Smuzhiyun #define ORIG_EAX 11 19*4882a593Smuzhiyun #define EIP 12 20*4882a593Smuzhiyun #define CS 13 21*4882a593Smuzhiyun #define EFL 14 22*4882a593Smuzhiyun #define UESP 15 23*4882a593Smuzhiyun #define SS 16 24*4882a593Smuzhiyun #define FRAME_SIZE 17 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #else /* __i386__ */ 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #if defined(__ASSEMBLY__) || defined(__FRAME_OFFSETS) 29*4882a593Smuzhiyun /* 30*4882a593Smuzhiyun * C ABI says these regs are callee-preserved. They aren't saved on kernel entry 31*4882a593Smuzhiyun * unless syscall needs a complete, fully filled "struct pt_regs". 32*4882a593Smuzhiyun */ 33*4882a593Smuzhiyun #define R15 0 34*4882a593Smuzhiyun #define R14 8 35*4882a593Smuzhiyun #define R13 16 36*4882a593Smuzhiyun #define R12 24 37*4882a593Smuzhiyun #define RBP 32 38*4882a593Smuzhiyun #define RBX 40 39*4882a593Smuzhiyun /* These regs are callee-clobbered. Always saved on kernel entry. */ 40*4882a593Smuzhiyun #define R11 48 41*4882a593Smuzhiyun #define R10 56 42*4882a593Smuzhiyun #define R9 64 43*4882a593Smuzhiyun #define R8 72 44*4882a593Smuzhiyun #define RAX 80 45*4882a593Smuzhiyun #define RCX 88 46*4882a593Smuzhiyun #define RDX 96 47*4882a593Smuzhiyun #define RSI 104 48*4882a593Smuzhiyun #define RDI 112 49*4882a593Smuzhiyun /* 50*4882a593Smuzhiyun * On syscall entry, this is syscall#. On CPU exception, this is error code. 51*4882a593Smuzhiyun * On hw interrupt, it's IRQ number: 52*4882a593Smuzhiyun */ 53*4882a593Smuzhiyun #define ORIG_RAX 120 54*4882a593Smuzhiyun /* Return frame for iretq */ 55*4882a593Smuzhiyun #define RIP 128 56*4882a593Smuzhiyun #define CS 136 57*4882a593Smuzhiyun #define EFLAGS 144 58*4882a593Smuzhiyun #define RSP 152 59*4882a593Smuzhiyun #define SS 160 60*4882a593Smuzhiyun #endif /* __ASSEMBLY__ */ 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* top of stack page */ 63*4882a593Smuzhiyun #define FRAME_SIZE 168 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun #endif /* !__i386__ */ 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ 68*4882a593Smuzhiyun #define PTRACE_GETREGS 12 69*4882a593Smuzhiyun #define PTRACE_SETREGS 13 70*4882a593Smuzhiyun #define PTRACE_GETFPREGS 14 71*4882a593Smuzhiyun #define PTRACE_SETFPREGS 15 72*4882a593Smuzhiyun #define PTRACE_GETFPXREGS 18 73*4882a593Smuzhiyun #define PTRACE_SETFPXREGS 19 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun #define PTRACE_OLDSETOPTIONS 21 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun /* only useful for access 32bit programs / kernels */ 78*4882a593Smuzhiyun #define PTRACE_GET_THREAD_AREA 25 79*4882a593Smuzhiyun #define PTRACE_SET_THREAD_AREA 26 80*4882a593Smuzhiyun 81*4882a593Smuzhiyun #ifdef __x86_64__ 82*4882a593Smuzhiyun # define PTRACE_ARCH_PRCTL 30 83*4882a593Smuzhiyun #endif 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun #define PTRACE_SYSEMU 31 86*4882a593Smuzhiyun #define PTRACE_SYSEMU_SINGLESTEP 32 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun #define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */ 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun #ifndef __ASSEMBLY__ 91*4882a593Smuzhiyun #include <linux/types.h> 92*4882a593Smuzhiyun #endif 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun #endif /* _ASM_X86_PTRACE_ABI_H */ 95