1 /* 2 * Copyright 2003 PathScale, Inc. 3 * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) 4 * 5 * Licensed under the GPL 6 */ 7 8 #ifndef __SYSDEP_X86_64_PTRACE_H 9 #define __SYSDEP_X86_64_PTRACE_H 10 11 #define MAX_FP_NR HOST_FP_SIZE 12 13 #define REGS_R8(r) ((r)[HOST_R8]) 14 #define REGS_R9(r) ((r)[HOST_R9]) 15 #define REGS_R10(r) ((r)[HOST_R10]) 16 #define REGS_R11(r) ((r)[HOST_R11]) 17 #define REGS_R12(r) ((r)[HOST_R12]) 18 #define REGS_R13(r) ((r)[HOST_R13]) 19 #define REGS_R14(r) ((r)[HOST_R14]) 20 #define REGS_R15(r) ((r)[HOST_R15]) 21 22 #define HOST_FS_BASE 21 23 #define HOST_GS_BASE 22 24 #define HOST_DS 23 25 #define HOST_ES 24 26 #define HOST_FS 25 27 #define HOST_GS 26 28 29 /* Also defined in asm/ptrace-x86_64.h, but not in libc headers. So, these 30 * are already defined for kernel code, but not for userspace code. 31 */ 32 #ifndef FS_BASE 33 /* These aren't defined in ptrace.h, but exist in struct user_regs_struct, 34 * which is what x86_64 ptrace actually uses. 35 */ 36 #define FS_BASE (HOST_FS_BASE * sizeof(long)) 37 #define GS_BASE (HOST_GS_BASE * sizeof(long)) 38 #define DS (HOST_DS * sizeof(long)) 39 #define ES (HOST_ES * sizeof(long)) 40 #define FS (HOST_FS * sizeof(long)) 41 #define GS (HOST_GS * sizeof(long)) 42 #endif 43 44 #define UPT_R8(r) REGS_R8((r)->gp) 45 #define UPT_R9(r) REGS_R9((r)->gp) 46 #define UPT_R10(r) REGS_R10((r)->gp) 47 #define UPT_R11(r) REGS_R11((r)->gp) 48 #define UPT_R12(r) REGS_R12((r)->gp) 49 #define UPT_R13(r) REGS_R13((r)->gp) 50 #define UPT_R14(r) REGS_R14((r)->gp) 51 #define UPT_R15(r) REGS_R15((r)->gp) 52 53 #define UPT_SYSCALL_ARG1(r) UPT_DI(r) 54 #define UPT_SYSCALL_ARG2(r) UPT_SI(r) 55 #define UPT_SYSCALL_ARG3(r) UPT_DX(r) 56 #define UPT_SYSCALL_ARG4(r) UPT_R10(r) 57 #define UPT_SYSCALL_ARG5(r) UPT_R8(r) 58 #define UPT_SYSCALL_ARG6(r) UPT_R9(r) 59 60 static inline void arch_init_registers(int pid) 61 { 62 } 63 64 #endif 65