158 lines
4.4 KiB
C
158 lines
4.4 KiB
C
/*
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* Copyright 2003 PathScale, Inc.
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* Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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*
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* Licensed under the GPL
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*/
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#ifndef __SYSDEP_X86_64_PTRACE_H
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#define __SYSDEP_X86_64_PTRACE_H
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#include <generated/user_constants.h>
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#include "sysdep/faultinfo.h"
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#define MAX_REG_OFFSET (UM_FRAME_SIZE)
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#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))
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#define REGS_IP(r) ((r)[HOST_IP])
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#define REGS_SP(r) ((r)[HOST_SP])
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#define REGS_RBX(r) ((r)[HOST_BX])
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#define REGS_RCX(r) ((r)[HOST_CX])
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#define REGS_RDX(r) ((r)[HOST_DX])
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#define REGS_RSI(r) ((r)[HOST_SI])
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#define REGS_RDI(r) ((r)[HOST_DI])
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#define REGS_RBP(r) ((r)[HOST_BP])
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#define REGS_RAX(r) ((r)[HOST_AX])
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#define REGS_R8(r) ((r)[HOST_R8])
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#define REGS_R9(r) ((r)[HOST_R9])
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#define REGS_R10(r) ((r)[HOST_R10])
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#define REGS_R11(r) ((r)[HOST_R11])
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#define REGS_R12(r) ((r)[HOST_R12])
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#define REGS_R13(r) ((r)[HOST_R13])
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#define REGS_R14(r) ((r)[HOST_R14])
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#define REGS_R15(r) ((r)[HOST_R15])
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#define REGS_CS(r) ((r)[HOST_CS])
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#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS])
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#define REGS_SS(r) ((r)[HOST_SS])
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#define HOST_FS_BASE 21
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#define HOST_GS_BASE 22
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#define HOST_DS 23
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#define HOST_ES 24
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#define HOST_FS 25
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#define HOST_GS 26
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/* Also defined in asm/ptrace-x86_64.h, but not in libc headers. So, these
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* are already defined for kernel code, but not for userspace code.
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*/
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#ifndef FS_BASE
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/* These aren't defined in ptrace.h, but exist in struct user_regs_struct,
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* which is what x86_64 ptrace actually uses.
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*/
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#define FS_BASE (HOST_FS_BASE * sizeof(long))
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#define GS_BASE (HOST_GS_BASE * sizeof(long))
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#define DS (HOST_DS * sizeof(long))
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#define ES (HOST_ES * sizeof(long))
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#define FS (HOST_FS * sizeof(long))
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#define GS (HOST_GS * sizeof(long))
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#endif
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#define REGS_FS_BASE(r) ((r)[HOST_FS_BASE])
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#define REGS_GS_BASE(r) ((r)[HOST_GS_BASE])
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#define REGS_DS(r) ((r)[HOST_DS])
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#define REGS_ES(r) ((r)[HOST_ES])
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#define REGS_FS(r) ((r)[HOST_FS])
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#define REGS_GS(r) ((r)[HOST_GS])
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#define REGS_ORIG_RAX(r) ((r)[HOST_ORIG_AX])
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#define REGS_SET_SYSCALL_RETURN(r, res) REGS_RAX(r) = (res)
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#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
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#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r))
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#define REGS_FAULT_ADDR(r) ((r)->fault_addr)
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#define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type)
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#define REGS_TRAP(r) ((r)->trap_type)
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#define REGS_ERR(r) ((r)->fault_type)
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struct uml_pt_regs {
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unsigned long gp[MAX_REG_NR];
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unsigned long fp[HOST_FP_SIZE];
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struct faultinfo faultinfo;
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long syscall;
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int is_user;
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};
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#define EMPTY_UML_PT_REGS { }
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#define UPT_RBX(r) REGS_RBX((r)->gp)
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#define UPT_RCX(r) REGS_RCX((r)->gp)
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#define UPT_RDX(r) REGS_RDX((r)->gp)
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#define UPT_RSI(r) REGS_RSI((r)->gp)
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#define UPT_RDI(r) REGS_RDI((r)->gp)
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#define UPT_RBP(r) REGS_RBP((r)->gp)
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#define UPT_RAX(r) REGS_RAX((r)->gp)
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#define UPT_R8(r) REGS_R8((r)->gp)
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#define UPT_R9(r) REGS_R9((r)->gp)
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#define UPT_R10(r) REGS_R10((r)->gp)
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#define UPT_R11(r) REGS_R11((r)->gp)
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#define UPT_R12(r) REGS_R12((r)->gp)
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#define UPT_R13(r) REGS_R13((r)->gp)
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#define UPT_R14(r) REGS_R14((r)->gp)
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#define UPT_R15(r) REGS_R15((r)->gp)
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#define UPT_CS(r) REGS_CS((r)->gp)
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#define UPT_FS_BASE(r) REGS_FS_BASE((r)->gp)
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#define UPT_FS(r) REGS_FS((r)->gp)
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#define UPT_GS_BASE(r) REGS_GS_BASE((r)->gp)
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#define UPT_GS(r) REGS_GS((r)->gp)
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#define UPT_DS(r) REGS_DS((r)->gp)
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#define UPT_ES(r) REGS_ES((r)->gp)
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#define UPT_CS(r) REGS_CS((r)->gp)
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#define UPT_SS(r) REGS_SS((r)->gp)
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#define UPT_ORIG_RAX(r) REGS_ORIG_RAX((r)->gp)
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#define UPT_IP(r) REGS_IP((r)->gp)
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#define UPT_SP(r) REGS_SP((r)->gp)
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#define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp)
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#define UPT_SYSCALL_NR(r) ((r)->syscall)
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#define UPT_SYSCALL_RET(r) UPT_RAX(r)
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extern int user_context(unsigned long sp);
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#define UPT_IS_USER(r) ((r)->is_user)
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#define UPT_SYSCALL_ARG1(r) UPT_RDI(r)
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#define UPT_SYSCALL_ARG2(r) UPT_RSI(r)
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#define UPT_SYSCALL_ARG3(r) UPT_RDX(r)
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#define UPT_SYSCALL_ARG4(r) UPT_R10(r)
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#define UPT_SYSCALL_ARG5(r) UPT_R8(r)
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#define UPT_SYSCALL_ARG6(r) UPT_R9(r)
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struct syscall_args {
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unsigned long args[6];
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};
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#define SYSCALL_ARGS(r) ((struct syscall_args) \
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{ .args = { UPT_SYSCALL_ARG1(r), \
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UPT_SYSCALL_ARG2(r), \
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UPT_SYSCALL_ARG3(r), \
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UPT_SYSCALL_ARG4(r), \
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UPT_SYSCALL_ARG5(r), \
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UPT_SYSCALL_ARG6(r) } } )
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#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->gp)
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#define UPT_FAULTINFO(r) (&(r)->faultinfo)
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static inline void arch_init_registers(int pid)
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{
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}
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#endif
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