mirror of
https://github.com/torvalds/linux.git
synced 2024-12-30 14:52:05 +00:00
fa1e1bdf78
Rename user_mode to user_mode_vm and add a user_mode macro similar to the x86-64 one. This is useful for Xen because the linux xen kernel does not runs on the same priviledge that a vanilla linux kernel, and with this we just need to redefine user_mode(). Signed-off-by: Vincent Hanquez <vincent.hanquez@cl.cam.ac.uk> Cc: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
#ifndef _I386_PTRACE_H
|
|
#define _I386_PTRACE_H
|
|
|
|
#define EBX 0
|
|
#define ECX 1
|
|
#define EDX 2
|
|
#define ESI 3
|
|
#define EDI 4
|
|
#define EBP 5
|
|
#define EAX 6
|
|
#define DS 7
|
|
#define ES 8
|
|
#define FS 9
|
|
#define GS 10
|
|
#define ORIG_EAX 11
|
|
#define EIP 12
|
|
#define CS 13
|
|
#define EFL 14
|
|
#define UESP 15
|
|
#define SS 16
|
|
#define FRAME_SIZE 17
|
|
|
|
/* this struct defines the way the registers are stored on the
|
|
stack during a system call. */
|
|
|
|
struct pt_regs {
|
|
long ebx;
|
|
long ecx;
|
|
long edx;
|
|
long esi;
|
|
long edi;
|
|
long ebp;
|
|
long eax;
|
|
int xds;
|
|
int xes;
|
|
long orig_eax;
|
|
long eip;
|
|
int xcs;
|
|
long eflags;
|
|
long esp;
|
|
int xss;
|
|
};
|
|
|
|
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
|
|
#define PTRACE_GETREGS 12
|
|
#define PTRACE_SETREGS 13
|
|
#define PTRACE_GETFPREGS 14
|
|
#define PTRACE_SETFPREGS 15
|
|
#define PTRACE_GETFPXREGS 18
|
|
#define PTRACE_SETFPXREGS 19
|
|
|
|
#define PTRACE_OLDSETOPTIONS 21
|
|
|
|
#define PTRACE_GET_THREAD_AREA 25
|
|
#define PTRACE_SET_THREAD_AREA 26
|
|
|
|
#ifdef __KERNEL__
|
|
struct task_struct;
|
|
extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code);
|
|
#define user_mode(regs) (3 & (regs)->xcs)
|
|
#define user_mode_vm(regs) ((VM_MASK & (regs)->eflags) || user_mode(regs))
|
|
#define instruction_pointer(regs) ((regs)->eip)
|
|
#if defined(CONFIG_SMP) && defined(CONFIG_FRAME_POINTER)
|
|
extern unsigned long profile_pc(struct pt_regs *regs);
|
|
#else
|
|
#define profile_pc(regs) instruction_pointer(regs)
|
|
#endif
|
|
#endif
|
|
|
|
#endif
|