1#ifndef __SYSDEP_X86_PTRACE_H
2#define __SYSDEP_X86_PTRACE_H
3
4#include <generated/user_constants.h>
5#include <sysdep/faultinfo.h>
6
7#define MAX_REG_OFFSET (UM_FRAME_SIZE)
8#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))
9
10#define REGS_IP(r) ((r)[HOST_IP])
11#define REGS_SP(r) ((r)[HOST_SP])
12#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS])
13#define REGS_AX(r) ((r)[HOST_AX])
14#define REGS_BX(r) ((r)[HOST_BX])
15#define REGS_CX(r) ((r)[HOST_CX])
16#define REGS_DX(r) ((r)[HOST_DX])
17#define REGS_SI(r) ((r)[HOST_SI])
18#define REGS_DI(r) ((r)[HOST_DI])
19#define REGS_BP(r) ((r)[HOST_BP])
20#define REGS_CS(r) ((r)[HOST_CS])
21#define REGS_SS(r) ((r)[HOST_SS])
22#define REGS_DS(r) ((r)[HOST_DS])
23#define REGS_ES(r) ((r)[HOST_ES])
24
25#define UPT_IP(r) REGS_IP((r)->gp)
26#define UPT_SP(r) REGS_SP((r)->gp)
27#define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp)
28#define UPT_AX(r) REGS_AX((r)->gp)
29#define UPT_BX(r) REGS_BX((r)->gp)
30#define UPT_CX(r) REGS_CX((r)->gp)
31#define UPT_DX(r) REGS_DX((r)->gp)
32#define UPT_SI(r) REGS_SI((r)->gp)
33#define UPT_DI(r) REGS_DI((r)->gp)
34#define UPT_BP(r) REGS_BP((r)->gp)
35#define UPT_CS(r) REGS_CS((r)->gp)
36#define UPT_SS(r) REGS_SS((r)->gp)
37#define UPT_DS(r) REGS_DS((r)->gp)
38#define UPT_ES(r) REGS_ES((r)->gp)
39
40#ifdef __i386__
41#include "ptrace_32.h"
42#else
43#include "ptrace_64.h"
44#endif
45
46struct syscall_args {
47	unsigned long args[6];
48};
49
50#define SYSCALL_ARGS(r) ((struct syscall_args) \
51			 { .args = { UPT_SYSCALL_ARG1(r),	 \
52				     UPT_SYSCALL_ARG2(r),	 \
53				     UPT_SYSCALL_ARG3(r),	 \
54				     UPT_SYSCALL_ARG4(r),	 \
55				     UPT_SYSCALL_ARG5(r),	 \
56				     UPT_SYSCALL_ARG6(r) } } )
57
58struct uml_pt_regs {
59	unsigned long gp[MAX_REG_NR];
60	unsigned long fp[MAX_FP_NR];
61	struct faultinfo faultinfo;
62	long syscall;
63	int is_user;
64};
65
66#define EMPTY_UML_PT_REGS { }
67
68#define UPT_SYSCALL_NR(r) ((r)->syscall)
69#define UPT_FAULTINFO(r) (&(r)->faultinfo)
70#define UPT_IS_USER(r) ((r)->is_user)
71
72extern int user_context(unsigned long sp);
73
74#endif /* __SYSDEP_X86_PTRACE_H */
75