mirror of
https://github.com/torvalds/linux.git
synced 2024-11-14 16:12:02 +00:00
a12dea7af9
PTRACE_SYSEMU{,_SINGLESTEP} is actually arch specific, for now, and the
current allocated number clashes with a ptrace code of frv, i.e.
PTRACE_GETFDPIC. I should have submitted this much earlier, anyway we get no
breakage for this.
CC: Daniel Jacobowitz <dan@debian.org>
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
91 lines
2.0 KiB
C
91 lines
2.0 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
|
|
|
|
#define PTRACE_SYSEMU 31
|
|
#define PTRACE_SYSEMU_SINGLESTEP 32
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#include <asm/vm86.h>
|
|
|
|
struct task_struct;
|
|
extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code);
|
|
|
|
/*
|
|
* user_mode_vm(regs) determines whether a register set came from user mode.
|
|
* This is true if V8086 mode was enabled OR if the register set was from
|
|
* protected mode with RPL-3 CS value. This tricky test checks that with
|
|
* one comparison. Many places in the kernel can bypass this full check
|
|
* if they have already ruled out V8086 mode, so user_mode(regs) can be used.
|
|
*/
|
|
static inline int user_mode(struct pt_regs *regs)
|
|
{
|
|
return (regs->xcs & 3) != 0;
|
|
}
|
|
static inline int user_mode_vm(struct pt_regs *regs)
|
|
{
|
|
return ((regs->xcs & 3) | (regs->eflags & VM_MASK)) != 0;
|
|
}
|
|
#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 /* __KERNEL__ */
|
|
|
|
#endif
|