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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | /* * Copyright 2003 PathScale, Inc. * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * * Licensed under the GPL */ #ifndef __SYSDEP_X86_64_PTRACE_H #define __SYSDEP_X86_64_PTRACE_H #include <generated/user_constants.h> #include "sysdep/faultinfo.h" #define MAX_REG_OFFSET (UM_FRAME_SIZE) #define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long)) #define REGS_IP(r) ((r)[HOST_IP]) #define REGS_SP(r) ((r)[HOST_SP]) #define REGS_RBX(r) ((r)[HOST_BX]) #define REGS_RCX(r) ((r)[HOST_CX]) #define REGS_RDX(r) ((r)[HOST_DX]) #define REGS_RSI(r) ((r)[HOST_SI]) #define REGS_RDI(r) ((r)[HOST_DI]) #define REGS_RBP(r) ((r)[HOST_BP]) #define REGS_RAX(r) ((r)[HOST_AX]) #define REGS_R8(r) ((r)[HOST_R8]) #define REGS_R9(r) ((r)[HOST_R9]) #define REGS_R10(r) ((r)[HOST_R10]) #define REGS_R11(r) ((r)[HOST_R11]) #define REGS_R12(r) ((r)[HOST_R12]) #define REGS_R13(r) ((r)[HOST_R13]) #define REGS_R14(r) ((r)[HOST_R14]) #define REGS_R15(r) ((r)[HOST_R15]) #define REGS_CS(r) ((r)[HOST_CS]) #define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) #define REGS_SS(r) ((r)[HOST_SS]) #define HOST_FS_BASE 21 #define HOST_GS_BASE 22 #define HOST_DS 23 #define HOST_ES 24 #define HOST_FS 25 #define HOST_GS 26 /* Also defined in asm/ptrace-x86_64.h, but not in libc headers. So, these * are already defined for kernel code, but not for userspace code. */ #ifndef FS_BASE /* These aren't defined in ptrace.h, but exist in struct user_regs_struct, * which is what x86_64 ptrace actually uses. */ #define FS_BASE (HOST_FS_BASE * sizeof(long)) #define GS_BASE (HOST_GS_BASE * sizeof(long)) #define DS (HOST_DS * sizeof(long)) #define ES (HOST_ES * sizeof(long)) #define FS (HOST_FS * sizeof(long)) #define GS (HOST_GS * sizeof(long)) #endif #define REGS_FS_BASE(r) ((r)[HOST_FS_BASE]) #define REGS_GS_BASE(r) ((r)[HOST_GS_BASE]) #define REGS_DS(r) ((r)[HOST_DS]) #define REGS_ES(r) ((r)[HOST_ES]) #define REGS_FS(r) ((r)[HOST_FS]) #define REGS_GS(r) ((r)[HOST_GS]) #define REGS_ORIG_RAX(r) ((r)[HOST_ORIG_AX]) #define REGS_SET_SYSCALL_RETURN(r, res) REGS_RAX(r) = (res) #define IP_RESTART_SYSCALL(ip) ((ip) -= 2) #define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r)) #define REGS_FAULT_ADDR(r) ((r)->fault_addr) #define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type) #define REGS_TRAP(r) ((r)->trap_type) #define REGS_ERR(r) ((r)->fault_type) struct uml_pt_regs { unsigned long gp[MAX_REG_NR]; unsigned long fp[HOST_FP_SIZE]; struct faultinfo faultinfo; long syscall; int is_user; }; #define EMPTY_UML_PT_REGS { } #define UPT_RBX(r) REGS_RBX((r)->gp) #define UPT_RCX(r) REGS_RCX((r)->gp) #define UPT_RDX(r) REGS_RDX((r)->gp) #define UPT_RSI(r) REGS_RSI((r)->gp) #define UPT_RDI(r) REGS_RDI((r)->gp) #define UPT_RBP(r) REGS_RBP((r)->gp) #define UPT_RAX(r) REGS_RAX((r)->gp) #define UPT_R8(r) REGS_R8((r)->gp) #define UPT_R9(r) REGS_R9((r)->gp) #define UPT_R10(r) REGS_R10((r)->gp) #define UPT_R11(r) REGS_R11((r)->gp) #define UPT_R12(r) REGS_R12((r)->gp) #define UPT_R13(r) REGS_R13((r)->gp) #define UPT_R14(r) REGS_R14((r)->gp) #define UPT_R15(r) REGS_R15((r)->gp) #define UPT_CS(r) REGS_CS((r)->gp) #define UPT_FS_BASE(r) REGS_FS_BASE((r)->gp) #define UPT_FS(r) REGS_FS((r)->gp) #define UPT_GS_BASE(r) REGS_GS_BASE((r)->gp) #define UPT_GS(r) REGS_GS((r)->gp) #define UPT_DS(r) REGS_DS((r)->gp) #define UPT_ES(r) REGS_ES((r)->gp) #define UPT_CS(r) REGS_CS((r)->gp) #define UPT_SS(r) REGS_SS((r)->gp) #define UPT_ORIG_RAX(r) REGS_ORIG_RAX((r)->gp) #define UPT_IP(r) REGS_IP((r)->gp) #define UPT_SP(r) REGS_SP((r)->gp) #define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp) #define UPT_SYSCALL_NR(r) ((r)->syscall) #define UPT_SYSCALL_RET(r) UPT_RAX(r) extern int user_context(unsigned long sp); #define UPT_IS_USER(r) ((r)->is_user) #define UPT_SYSCALL_ARG1(r) UPT_RDI(r) #define UPT_SYSCALL_ARG2(r) UPT_RSI(r) #define UPT_SYSCALL_ARG3(r) UPT_RDX(r) #define UPT_SYSCALL_ARG4(r) UPT_R10(r) #define UPT_SYSCALL_ARG5(r) UPT_R8(r) #define UPT_SYSCALL_ARG6(r) UPT_R9(r) struct syscall_args { unsigned long args[6]; }; #define SYSCALL_ARGS(r) ((struct syscall_args) \ { .args = { UPT_SYSCALL_ARG1(r), \ UPT_SYSCALL_ARG2(r), \ UPT_SYSCALL_ARG3(r), \ UPT_SYSCALL_ARG4(r), \ UPT_SYSCALL_ARG5(r), \ UPT_SYSCALL_ARG6(r) } } ) #define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->gp) #define UPT_FAULTINFO(r) (&(r)->faultinfo) static inline void arch_init_registers(int pid) { } #endif |