[deliverable/linux.git] / arch / um / include / sysdep-x86_64 / ptrace.h

/*
 * Copyright 2003 PathScale, Inc.
 *
 * Licensed under the GPL
 */

#ifndef __SYSDEP_X86_64_PTRACE_H
#define __SYSDEP_X86_64_PTRACE_H

#include "uml-config.h"
#include "user_constants.h"
#include "sysdep/faultinfo.h"

#define MAX_REG_OFFSET (UM_FRAME_SIZE)
#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))

#ifdef UML_CONFIG_MODE_TT
#include "sysdep/sc.h"
#endif

#ifdef UML_CONFIG_MODE_SKAS
#include "skas_ptregs.h"

#define REGS_IP(r) ((r)[HOST_IP])
#define REGS_SP(r) ((r)[HOST_SP])

#define REGS_RBX(r) ((r)[HOST_RBX])
#define REGS_RCX(r) ((r)[HOST_RCX])
#define REGS_RDX(r) ((r)[HOST_RDX])
#define REGS_RSI(r) ((r)[HOST_RSI])
#define REGS_RDI(r) ((r)[HOST_RDI])
#define REGS_RBP(r) ((r)[HOST_RBP])
#define REGS_RAX(r) ((r)[HOST_RAX])
#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_RAX])

#define REGS_SET_SYSCALL_RETURN(r, res) REGS_RAX(r) = (res)

#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r))

#define REGS_SEGV_IS_FIXABLE(r) SEGV_IS_FIXABLE((r)->trap_type)

#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)

#endif

#include "choose-mode.h"

/* XXX */
union uml_pt_regs {
#ifdef UML_CONFIG_MODE_TT
	struct tt_regs {
		long syscall;
		unsigned long orig_rax;
		void *sc;
                struct faultinfo faultinfo;
	} tt;
#endif
#ifdef UML_CONFIG_MODE_SKAS
	struct skas_regs {
		unsigned long regs[MAX_REG_NR];
		unsigned long fp[HOST_FP_SIZE];
                struct faultinfo faultinfo;
		long syscall;
		int is_user;
	} skas;
#endif
};

#define EMPTY_UML_PT_REGS { }

/* XXX */
extern int mode_tt;

#define UPT_RBX(r) __CHOOSE_MODE(SC_RBX(UPT_SC(r)), REGS_RBX((r)->skas.regs))
#define UPT_RCX(r) __CHOOSE_MODE(SC_RCX(UPT_SC(r)), REGS_RCX((r)->skas.regs))
#define UPT_RDX(r) __CHOOSE_MODE(SC_RDX(UPT_SC(r)), REGS_RDX((r)->skas.regs))
#define UPT_RSI(r) __CHOOSE_MODE(SC_RSI(UPT_SC(r)), REGS_RSI((r)->skas.regs))
#define UPT_RDI(r) __CHOOSE_MODE(SC_RDI(UPT_SC(r)), REGS_RDI((r)->skas.regs))
#define UPT_RBP(r) __CHOOSE_MODE(SC_RBP(UPT_SC(r)), REGS_RBP((r)->skas.regs))
#define UPT_RAX(r) __CHOOSE_MODE(SC_RAX(UPT_SC(r)), REGS_RAX((r)->skas.regs))
#define UPT_R8(r) __CHOOSE_MODE(SC_R8(UPT_SC(r)), REGS_R8((r)->skas.regs))
#define UPT_R9(r) __CHOOSE_MODE(SC_R9(UPT_SC(r)), REGS_R9((r)->skas.regs))
#define UPT_R10(r) __CHOOSE_MODE(SC_R10(UPT_SC(r)), REGS_R10((r)->skas.regs))
#define UPT_R11(r) __CHOOSE_MODE(SC_R11(UPT_SC(r)), REGS_R11((r)->skas.regs))
#define UPT_R12(r) __CHOOSE_MODE(SC_R12(UPT_SC(r)), REGS_R12((r)->skas.regs))
#define UPT_R13(r) __CHOOSE_MODE(SC_R13(UPT_SC(r)), REGS_R13((r)->skas.regs))
#define UPT_R14(r) __CHOOSE_MODE(SC_R14(UPT_SC(r)), REGS_R14((r)->skas.regs))
#define UPT_R15(r) __CHOOSE_MODE(SC_R15(UPT_SC(r)), REGS_R15((r)->skas.regs))
#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs))
#define UPT_FS_BASE(r) \
	__CHOOSE_MODE(SC_FS_BASE(UPT_SC(r)), REGS_FS_BASE((r)->skas.regs))
#define UPT_FS(r) __CHOOSE_MODE(SC_FS(UPT_SC(r)), REGS_FS((r)->skas.regs))
#define UPT_GS_BASE(r) \
	__CHOOSE_MODE(SC_GS_BASE(UPT_SC(r)), REGS_GS_BASE((r)->skas.regs))
#define UPT_GS(r) __CHOOSE_MODE(SC_GS(UPT_SC(r)), REGS_GS((r)->skas.regs))
#define UPT_DS(r) __CHOOSE_MODE(SC_DS(UPT_SC(r)), REGS_DS((r)->skas.regs))
#define UPT_ES(r) __CHOOSE_MODE(SC_ES(UPT_SC(r)), REGS_ES((r)->skas.regs))
#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs))
#define UPT_SS(r) __CHOOSE_MODE(SC_SS(UPT_SC(r)), REGS_SS((r)->skas.regs))
#define UPT_ORIG_RAX(r) \
	__CHOOSE_MODE((r)->tt.orig_rax, REGS_ORIG_RAX((r)->skas.regs))

#define UPT_IP(r) __CHOOSE_MODE(SC_IP(UPT_SC(r)), REGS_IP((r)->skas.regs))
#define UPT_SP(r) __CHOOSE_MODE(SC_SP(UPT_SC(r)), REGS_SP((r)->skas.regs))

#define UPT_EFLAGS(r) \
	__CHOOSE_MODE(SC_EFLAGS(UPT_SC(r)), REGS_EFLAGS((r)->skas.regs))
#define UPT_SC(r) ((r)->tt.sc)
#define UPT_SYSCALL_NR(r) __CHOOSE_MODE((r)->tt.syscall, (r)->skas.syscall)
#define UPT_SYSCALL_RET(r) UPT_RAX(r)

extern int user_context(unsigned long sp);

#define UPT_IS_USER(r) \
	CHOOSE_MODE(user_context(UPT_SP(r)), (r)->skas.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_REG(regs, reg) \
        ({      unsigned long val; \
                switch(reg){ \
		case R8: val = UPT_R8(regs); break; \
		case R9: val = UPT_R9(regs); break; \
		case R10: val = UPT_R10(regs); break; \
		case R11: val = UPT_R11(regs); break; \
		case R12: val = UPT_R12(regs); break; \
		case R13: val = UPT_R13(regs); break; \
		case R14: val = UPT_R14(regs); break; \
		case R15: val = UPT_R15(regs); break; \
                case RIP: val = UPT_IP(regs); break; \
                case RSP: val = UPT_SP(regs); break; \
                case RAX: val = UPT_RAX(regs); break; \
                case RBX: val = UPT_RBX(regs); break; \
                case RCX: val = UPT_RCX(regs); break; \
                case RDX: val = UPT_RDX(regs); break; \
                case RSI: val = UPT_RSI(regs); break; \
                case RDI: val = UPT_RDI(regs); break; \
                case RBP: val = UPT_RBP(regs); break; \
                case ORIG_RAX: val = UPT_ORIG_RAX(regs); break; \
                case CS: val = UPT_CS(regs); break; \
                case SS: val = UPT_SS(regs); break; \
		case FS_BASE: val = UPT_FS_BASE(regs); break; \
                case GS_BASE: val = UPT_GS_BASE(regs); break; \
                case DS: val = UPT_DS(regs); break; \
                case ES: val = UPT_ES(regs); break; \
                case FS : val = UPT_FS (regs); break; \
		case GS: val = UPT_GS(regs); break;	    \
                case EFLAGS: val = UPT_EFLAGS(regs); break; \
                default :  \
                        panic("Bad register in UPT_REG : %d\n", reg);  \
                        val = -1; \
                } \
                val; \
        })


#define UPT_SET(regs, reg, val) \
        ({      unsigned long __upt_val = val; \
                switch(reg){ \
                case R8: UPT_R8(regs) = __upt_val; break; \
                case R9: UPT_R9(regs) = __upt_val; break; \
                case R10: UPT_R10(regs) = __upt_val; break; \
                case R11: UPT_R11(regs) = __upt_val; break; \
                case R12: UPT_R12(regs) = __upt_val; break; \
                case R13: UPT_R13(regs) = __upt_val; break; \
                case R14: UPT_R14(regs) = __upt_val; break; \
                case R15: UPT_R15(regs) = __upt_val; break; \
                case RIP: UPT_IP(regs) = __upt_val; break; \
                case RSP: UPT_SP(regs) = __upt_val; break; \
                case RAX: UPT_RAX(regs) = __upt_val; break; \
                case RBX: UPT_RBX(regs) = __upt_val; break; \
                case RCX: UPT_RCX(regs) = __upt_val; break; \
                case RDX: UPT_RDX(regs) = __upt_val; break; \
                case RSI: UPT_RSI(regs) = __upt_val; break; \
                case RDI: UPT_RDI(regs) = __upt_val; break; \
                case RBP: UPT_RBP(regs) = __upt_val; break; \
                case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \
                case CS: UPT_CS(regs) = __upt_val; break; \
                case SS: UPT_SS(regs) = __upt_val; break; \
                case FS_BASE: UPT_FS_BASE(regs) = __upt_val; break; \
                case GS_BASE: UPT_GS_BASE(regs) = __upt_val; break; \
                case DS: UPT_DS(regs) = __upt_val; break; \
                case ES: UPT_ES(regs) = __upt_val; break; \
                case FS: UPT_FS(regs) = __upt_val; break; \
                case GS: UPT_GS(regs) = __upt_val; break; \
                case EFLAGS: UPT_EFLAGS(regs) = __upt_val; break; \
                default :  \
                        panic("Bad register in UPT_SET : %d\n", reg);  \
			break; \
                } \
                __upt_val; \
        })

#define UPT_SET_SYSCALL_RETURN(r, res) \
	CHOOSE_MODE(SC_SET_SYSCALL_RETURN(UPT_SC(r), (res)), \
                    REGS_SET_SYSCALL_RETURN((r)->skas.regs, (res)))

#define UPT_RESTART_SYSCALL(r) \
	CHOOSE_MODE(SC_RESTART_SYSCALL(UPT_SC(r)), \
		    REGS_RESTART_SYSCALL((r)->skas.regs))

#define UPT_SEGV_IS_FIXABLE(r) \
	CHOOSE_MODE(SC_SEGV_IS_FIXABLE(UPT_SC(r)), \
                    REGS_SEGV_IS_FIXABLE(&r->skas))

#define UPT_FAULTINFO(r) \
        CHOOSE_MODE((&(r)->tt.faultinfo), (&(r)->skas.faultinfo))

#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright 2003 PathScale, Inc.
	3	*
	4	* Licensed under the GPL
	5	*/
	6
	7	#ifndef __SYSDEP_X86_64_PTRACE_H
	8	#define __SYSDEP_X86_64_PTRACE_H
	9
	10	#include "uml-config.h"
	11	#include "user_constants.h"
c578455a	12	#include "sysdep/faultinfo.h"
1da177e4 LT	13
	14	#define MAX_REG_OFFSET (UM_FRAME_SIZE)
	15	#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))
	16
	17	#ifdef UML_CONFIG_MODE_TT
	18	#include "sysdep/sc.h"
	19	#endif
	20
	21	#ifdef UML_CONFIG_MODE_SKAS
	22	#include "skas_ptregs.h"
	23
	24	#define REGS_IP(r) ((r)[HOST_IP])
	25	#define REGS_SP(r) ((r)[HOST_SP])
	26
	27	#define REGS_RBX(r) ((r)[HOST_RBX])
	28	#define REGS_RCX(r) ((r)[HOST_RCX])
	29	#define REGS_RDX(r) ((r)[HOST_RDX])
	30	#define REGS_RSI(r) ((r)[HOST_RSI])
	31	#define REGS_RDI(r) ((r)[HOST_RDI])
	32	#define REGS_RBP(r) ((r)[HOST_RBP])
	33	#define REGS_RAX(r) ((r)[HOST_RAX])
	34	#define REGS_R8(r) ((r)[HOST_R8])
	35	#define REGS_R9(r) ((r)[HOST_R9])
	36	#define REGS_R10(r) ((r)[HOST_R10])
	37	#define REGS_R11(r) ((r)[HOST_R11])
	38	#define REGS_R12(r) ((r)[HOST_R12])
	39	#define REGS_R13(r) ((r)[HOST_R13])
	40	#define REGS_R14(r) ((r)[HOST_R14])
	41	#define REGS_R15(r) ((r)[HOST_R15])
	42	#define REGS_CS(r) ((r)[HOST_CS])
	43	#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS])
	44	#define REGS_SS(r) ((r)[HOST_SS])
	45
	46	#define HOST_FS_BASE 21
	47	#define HOST_GS_BASE 22
	48	#define HOST_DS 23
	49	#define HOST_ES 24
	50	#define HOST_FS 25
	51	#define HOST_GS 26
	52
a8b4fc4d JD	53	/* Also defined in asm/ptrace-x86_64.h, but not in libc headers. So, these
	54	* are already defined for kernel code, but not for userspace code.
	55	*/
	56	#ifndef FS_BASE
	57	/* These aren't defined in ptrace.h, but exist in struct user_regs_struct,
	58	* which is what x86_64 ptrace actually uses.
	59	*/
	60	#define FS_BASE (HOST_FS_BASE * sizeof(long))
	61	#define GS_BASE (HOST_GS_BASE * sizeof(long))
	62	#define DS (HOST_DS * sizeof(long))
	63	#define ES (HOST_ES * sizeof(long))
	64	#define FS (HOST_FS * sizeof(long))
	65	#define GS (HOST_GS * sizeof(long))
	66	#endif
	67
1da177e4 LT	68	#define REGS_FS_BASE(r) ((r)[HOST_FS_BASE])
	69	#define REGS_GS_BASE(r) ((r)[HOST_GS_BASE])
	70	#define REGS_DS(r) ((r)[HOST_DS])
	71	#define REGS_ES(r) ((r)[HOST_ES])
	72	#define REGS_FS(r) ((r)[HOST_FS])
	73	#define REGS_GS(r) ((r)[HOST_GS])
	74
	75	#define REGS_ORIG_RAX(r) ((r)[HOST_ORIG_RAX])
	76
	77	#define REGS_SET_SYSCALL_RETURN(r, res) REGS_RAX(r) = (res)
	78
	79	#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r))
	80
	81	#define REGS_SEGV_IS_FIXABLE(r) SEGV_IS_FIXABLE((r)->trap_type)
	82
	83	#define REGS_FAULT_ADDR(r) ((r)->fault_addr)
	84
	85	#define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type)
	86
	87	#define REGS_TRAP(r) ((r)->trap_type)
	88
	89	#define REGS_ERR(r) ((r)->fault_type)
	90
	91	#endif
	92
	93	#include "choose-mode.h"
	94
	95	/* XXX */
	96	union uml_pt_regs {
	97	#ifdef UML_CONFIG_MODE_TT
	98	struct tt_regs {
	99	long syscall;
	100	unsigned long orig_rax;
	101	void *sc;
c578455a	102	struct faultinfo faultinfo;
1da177e4 LT	103	} tt;
	104	#endif
	105	#ifdef UML_CONFIG_MODE_SKAS
	106	struct skas_regs {
e46962fd	107	unsigned long regs[MAX_REG_NR];
a8b4fc4d	108	unsigned long fp[HOST_FP_SIZE];
c578455a	109	struct faultinfo faultinfo;
1da177e4 LT	110	long syscall;
	111	int is_user;
	112	} skas;
	113	#endif
	114	};
	115
	116	#define EMPTY_UML_PT_REGS { }
	117
	118	/* XXX */
	119	extern int mode_tt;
	120
	121	#define UPT_RBX(r) __CHOOSE_MODE(SC_RBX(UPT_SC(r)), REGS_RBX((r)->skas.regs))
	122	#define UPT_RCX(r) __CHOOSE_MODE(SC_RCX(UPT_SC(r)), REGS_RCX((r)->skas.regs))
	123	#define UPT_RDX(r) __CHOOSE_MODE(SC_RDX(UPT_SC(r)), REGS_RDX((r)->skas.regs))
	124	#define UPT_RSI(r) __CHOOSE_MODE(SC_RSI(UPT_SC(r)), REGS_RSI((r)->skas.regs))
	125	#define UPT_RDI(r) __CHOOSE_MODE(SC_RDI(UPT_SC(r)), REGS_RDI((r)->skas.regs))
	126	#define UPT_RBP(r) __CHOOSE_MODE(SC_RBP(UPT_SC(r)), REGS_RBP((r)->skas.regs))
	127	#define UPT_RAX(r) __CHOOSE_MODE(SC_RAX(UPT_SC(r)), REGS_RAX((r)->skas.regs))
	128	#define UPT_R8(r) __CHOOSE_MODE(SC_R8(UPT_SC(r)), REGS_R8((r)->skas.regs))
	129	#define UPT_R9(r) __CHOOSE_MODE(SC_R9(UPT_SC(r)), REGS_R9((r)->skas.regs))
	130	#define UPT_R10(r) __CHOOSE_MODE(SC_R10(UPT_SC(r)), REGS_R10((r)->skas.regs))
	131	#define UPT_R11(r) __CHOOSE_MODE(SC_R11(UPT_SC(r)), REGS_R11((r)->skas.regs))
	132	#define UPT_R12(r) __CHOOSE_MODE(SC_R12(UPT_SC(r)), REGS_R12((r)->skas.regs))
	133	#define UPT_R13(r) __CHOOSE_MODE(SC_R13(UPT_SC(r)), REGS_R13((r)->skas.regs))
	134	#define UPT_R14(r) __CHOOSE_MODE(SC_R14(UPT_SC(r)), REGS_R14((r)->skas.regs))
	135	#define UPT_R15(r) __CHOOSE_MODE(SC_R15(UPT_SC(r)), REGS_R15((r)->skas.regs))
	136	#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs))
a8b4fc4d JD	137	#define UPT_FS_BASE(r) \
a8b4fc4d JD	138	__CHOOSE_MODE(SC_FS_BASE(UPT_SC(r)), REGS_FS_BASE((r)->skas.regs))
1da177e4	139	#define UPT_FS(r) __CHOOSE_MODE(SC_FS(UPT_SC(r)), REGS_FS((r)->skas.regs))
a8b4fc4d JD	140	#define UPT_GS_BASE(r) \
a8b4fc4d JD	141	__CHOOSE_MODE(SC_GS_BASE(UPT_SC(r)), REGS_GS_BASE((r)->skas.regs))
1da177e4 LT	142	#define UPT_GS(r) __CHOOSE_MODE(SC_GS(UPT_SC(r)), REGS_GS((r)->skas.regs))
	143	#define UPT_DS(r) __CHOOSE_MODE(SC_DS(UPT_SC(r)), REGS_DS((r)->skas.regs))
	144	#define UPT_ES(r) __CHOOSE_MODE(SC_ES(UPT_SC(r)), REGS_ES((r)->skas.regs))
	145	#define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs))
a8b4fc4d	146	#define UPT_SS(r) __CHOOSE_MODE(SC_SS(UPT_SC(r)), REGS_SS((r)->skas.regs))
1da177e4 LT	147	#define UPT_ORIG_RAX(r) \
	148	__CHOOSE_MODE((r)->tt.orig_rax, REGS_ORIG_RAX((r)->skas.regs))
	149
	150	#define UPT_IP(r) __CHOOSE_MODE(SC_IP(UPT_SC(r)), REGS_IP((r)->skas.regs))
	151	#define UPT_SP(r) __CHOOSE_MODE(SC_SP(UPT_SC(r)), REGS_SP((r)->skas.regs))
	152
	153	#define UPT_EFLAGS(r) \
	154	__CHOOSE_MODE(SC_EFLAGS(UPT_SC(r)), REGS_EFLAGS((r)->skas.regs))
	155	#define UPT_SC(r) ((r)->tt.sc)
	156	#define UPT_SYSCALL_NR(r) __CHOOSE_MODE((r)->tt.syscall, (r)->skas.syscall)
ba9950c8	157	#define UPT_SYSCALL_RET(r) UPT_RAX(r)
1da177e4 LT	158
	159	extern int user_context(unsigned long sp);
	160
	161	#define UPT_IS_USER(r) \
	162	CHOOSE_MODE(user_context(UPT_SP(r)), (r)->skas.is_user)
	163
	164	#define UPT_SYSCALL_ARG1(r) UPT_RDI(r)
	165	#define UPT_SYSCALL_ARG2(r) UPT_RSI(r)
	166	#define UPT_SYSCALL_ARG3(r) UPT_RDX(r)
	167	#define UPT_SYSCALL_ARG4(r) UPT_R10(r)
	168	#define UPT_SYSCALL_ARG5(r) UPT_R8(r)
	169	#define UPT_SYSCALL_ARG6(r) UPT_R9(r)
	170
	171	struct syscall_args {
	172	unsigned long args[6];
	173	};
	174
	175	#define SYSCALL_ARGS(r) ((struct syscall_args) \
	176	{ .args = { UPT_SYSCALL_ARG1(r), \
	177	UPT_SYSCALL_ARG2(r), \
	178	UPT_SYSCALL_ARG3(r), \
	179	UPT_SYSCALL_ARG4(r), \
	180	UPT_SYSCALL_ARG5(r), \
	181	UPT_SYSCALL_ARG6(r) } } )
	182
	183	#define UPT_REG(regs, reg) \
	184	({ unsigned long val; \
	185	switch(reg){ \
	186	case R8: val = UPT_R8(regs); break; \
	187	case R9: val = UPT_R9(regs); break; \
	188	case R10: val = UPT_R10(regs); break; \
	189	case R11: val = UPT_R11(regs); break; \
	190	case R12: val = UPT_R12(regs); break; \
	191	case R13: val = UPT_R13(regs); break; \
	192	case R14: val = UPT_R14(regs); break; \
	193	case R15: val = UPT_R15(regs); break; \
	194	case RIP: val = UPT_IP(regs); break; \
	195	case RSP: val = UPT_SP(regs); break; \
	196	case RAX: val = UPT_RAX(regs); break; \
	197	case RBX: val = UPT_RBX(regs); break; \
	198	case RCX: val = UPT_RCX(regs); break; \
	199	case RDX: val = UPT_RDX(regs); break; \
	200	case RSI: val = UPT_RSI(regs); break; \
	201	case RDI: val = UPT_RDI(regs); break; \
	202	case RBP: val = UPT_RBP(regs); break; \
	203	case ORIG_RAX: val = UPT_ORIG_RAX(regs); break; \
	204	case CS: val = UPT_CS(regs); break; \
a8b4fc4d JD	205	case SS: val = UPT_SS(regs); break; \
	206	case FS_BASE: val = UPT_FS_BASE(regs); break; \
	207	case GS_BASE: val = UPT_GS_BASE(regs); break; \
	208	case DS: val = UPT_DS(regs); break; \
	209	case ES: val = UPT_ES(regs); break; \
	210	case FS : val = UPT_FS (regs); break; \
	211	case GS: val = UPT_GS(regs); break; \
1da177e4 LT	212	case EFLAGS: val = UPT_EFLAGS(regs); break; \
	213	default : \
	214	panic("Bad register in UPT_REG : %d\n", reg); \
	215	val = -1; \
	216	} \
	217	val; \
	218	})
	219
	220
	221	#define UPT_SET(regs, reg, val) \
ba9950c8	222	({ unsigned long __upt_val = val; \
1da177e4	223	switch(reg){ \
ba9950c8 JD	224	case R8: UPT_R8(regs) = __upt_val; break; \
	225	case R9: UPT_R9(regs) = __upt_val; break; \
	226	case R10: UPT_R10(regs) = __upt_val; break; \
	227	case R11: UPT_R11(regs) = __upt_val; break; \
	228	case R12: UPT_R12(regs) = __upt_val; break; \
	229	case R13: UPT_R13(regs) = __upt_val; break; \
	230	case R14: UPT_R14(regs) = __upt_val; break; \
	231	case R15: UPT_R15(regs) = __upt_val; break; \
	232	case RIP: UPT_IP(regs) = __upt_val; break; \
	233	case RSP: UPT_SP(regs) = __upt_val; break; \
	234	case RAX: UPT_RAX(regs) = __upt_val; break; \
	235	case RBX: UPT_RBX(regs) = __upt_val; break; \
	236	case RCX: UPT_RCX(regs) = __upt_val; break; \
	237	case RDX: UPT_RDX(regs) = __upt_val; break; \
	238	case RSI: UPT_RSI(regs) = __upt_val; break; \
	239	case RDI: UPT_RDI(regs) = __upt_val; break; \
	240	case RBP: UPT_RBP(regs) = __upt_val; break; \
	241	case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \
	242	case CS: UPT_CS(regs) = __upt_val; break; \
a8b4fc4d JD	243	case SS: UPT_SS(regs) = __upt_val; break; \
	244	case FS_BASE: UPT_FS_BASE(regs) = __upt_val; break; \
	245	case GS_BASE: UPT_GS_BASE(regs) = __upt_val; break; \
	246	case DS: UPT_DS(regs) = __upt_val; break; \
	247	case ES: UPT_ES(regs) = __upt_val; break; \
	248	case FS: UPT_FS(regs) = __upt_val; break; \
	249	case GS: UPT_GS(regs) = __upt_val; break; \
ba9950c8	250	case EFLAGS: UPT_EFLAGS(regs) = __upt_val; break; \
1da177e4 LT	251	default : \
	252	panic("Bad register in UPT_SET : %d\n", reg); \
	253	break; \
	254	} \
7efd08c8	255	__upt_val; \
1da177e4 LT	256	})
	257
	258	#define UPT_SET_SYSCALL_RETURN(r, res) \
	259	CHOOSE_MODE(SC_SET_SYSCALL_RETURN(UPT_SC(r), (res)), \
	260	REGS_SET_SYSCALL_RETURN((r)->skas.regs, (res)))
	261
	262	#define UPT_RESTART_SYSCALL(r) \
	263	CHOOSE_MODE(SC_RESTART_SYSCALL(UPT_SC(r)), \
	264	REGS_RESTART_SYSCALL((r)->skas.regs))
	265
	266	#define UPT_SEGV_IS_FIXABLE(r) \
	267	CHOOSE_MODE(SC_SEGV_IS_FIXABLE(UPT_SC(r)), \
	268	REGS_SEGV_IS_FIXABLE(&r->skas))
	269
c578455a BS	270	#define UPT_FAULTINFO(r) \
c578455a BS	271	CHOOSE_MODE((&(r)->tt.faultinfo), (&(r)->skas.faultinfo))
1da177e4 LT	272
1da177e4 LT	273	#endif