<commit_before>#ifndef _ASM_X86_PTRACE_H
#define _ASM_X86_PTRACE_H

#include <linux/compiler.h>	/* For __user */
#include <asm/ptrace-abi.h>

#ifndef __ASSEMBLY__

#ifdef __i386__
/* this struct defines the way the registers are stored on the
   stack during a system call. */

#ifndef __KERNEL__

struct pt_regs {
	long ebx;
	long ecx;
	long edx;
	long esi;
	long edi;
	long ebp;
	long eax;
	int  xds;
	int  xes;
	int  xfs;
	/* int  gs; */
	long orig_eax;
	long eip;
	int  xcs;
	long eflags;
	long esp;
	int  xss;
};

#else /* __KERNEL__ */

struct pt_regs {
	long bx;
	long cx;
	long dx;
	long si;
	long di;
	long bp;
	long ax;
	int  ds;
	int  es;
	int  fs;
	/* int  gs; */
	long orig_ax;
	long ip;
	int  cs;
	long flags;
	long sp;
	int  ss;
};

#include <asm/vm86.h>
#include <asm/segment.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->cs & SEGMENT_RPL_MASK) == USER_RPL;
}
static inline int user_mode_vm(struct pt_regs *regs)
{
	return ((regs->cs & SEGMENT_RPL_MASK) |
		(regs->flags & VM_MASK)) >= USER_RPL;
}
static inline int v8086_mode(struct pt_regs *regs)
{
	return (regs->flags & VM_MASK);
}

#define instruction_pointer(regs) ((regs)->ip)
#define frame_pointer(regs) ((regs)->bp)
#define stack_pointer(regs) ((unsigned long)(regs))
#define regs_return_value(regs) ((regs)->ax)

extern unsigned long profile_pc(struct pt_regs *regs);
#endif /* __KERNEL__ */

#else /* __i386__ */

#ifndef __KERNEL__

struct pt_regs {
	unsigned long r15;
	unsigned long r14;
	unsigned long r13;
	unsigned long r12;
	unsigned long rbp;
	unsigned long rbx;
/* arguments: non interrupts/non tracing syscalls only save upto here*/
	unsigned long r11;
	unsigned long r10;
	unsigned long r9;
	unsigned long r8;
	unsigned long rax;
	unsigned long rcx;
	unsigned long rdx;
	unsigned long rsi;
	unsigned long rdi;
	unsigned long orig_rax;
/* end of arguments */
/* cpu exception frame or undefined */
	unsigned long rip;
	unsigned long cs;
	unsigned long eflags;
	unsigned long rsp;
	unsigned long ss;
/* top of stack page */
};

#else /* __KERNEL__ */

struct pt_regs {
	unsigned long r15;
	unsigned long r14;
	unsigned long r13;
	unsigned long r12;
	unsigned long bp;
	unsigned long bx;
/* arguments: non interrupts/non tracing syscalls only save upto here*/
	unsigned long r11;
	unsigned long r10;
	unsigned long r9;
	unsigned long r8;
	unsigned long ax;
	unsigned long cx;
	unsigned long dx;
	unsigned long si;
	unsigned long di;
	unsigned long orig_ax;
/* end of arguments */
/* cpu exception frame or undefined */
	unsigned long ip;
	unsigned long cs;
	unsigned long flags;
	unsigned long sp;
	unsigned long ss;
/* top of stack page */
};

#define user_mode(regs) (!!((regs)->cs & 3))
#define user_mode_vm(regs) user_mode(regs)
#define v8086_mode(regs) 0	/* No V86 mode support in long mode */
#define instruction_pointer(regs) ((regs)->ip)
#define frame_pointer(regs) ((regs)->bp)
#define stack_pointer(regs) ((regs)->sp)
#define regs_return_value(regs) ((regs)->ax)

extern unsigned long profile_pc(struct pt_regs *regs);
void signal_fault(struct pt_regs *regs, void __user *frame, char *where);

struct task_struct;

extern unsigned long ptrace_get_debugreg(struct task_struct *child, int n);
extern int ptrace_set_debugreg(struct task_struct *child, int n, unsigned long);

extern unsigned long
convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs);

enum {
	EF_CF   = 0x00000001,
	EF_PF   = 0x00000004,
	EF_AF   = 0x00000010,
	EF_ZF   = 0x00000040,
	EF_SF   = 0x00000080,
	EF_TF   = 0x00000100,
	EF_IE   = 0x00000200,
	EF_DF   = 0x00000400,
	EF_OF   = 0x00000800,
	EF_IOPL = 0x00003000,
	EF_IOPL_RING0 = 0x00000000,
	EF_IOPL_RING1 = 0x00001000,
	EF_IOPL_RING2 = 0x00002000,
	EF_NT   = 0x00004000,   /* nested task */
	EF_RF   = 0x00010000,   /* resume */
	EF_VM   = 0x00020000,   /* virtual mode */
	EF_AC   = 0x00040000,   /* alignment */
	EF_VIF  = 0x00080000,   /* virtual interrupt */
	EF_VIP  = 0x00100000,   /* virtual interrupt pending */
	EF_ID   = 0x00200000,   /* id */
};
#endif /* __KERNEL__ */
#endif /* !__i386__ */

#ifdef __KERNEL__

/*
 * These are defined as per linux/ptrace.h, which see.
 */
#define arch_has_single_step()	(1)
extern void user_enable_single_step(struct task_struct *);
extern void user_disable_single_step(struct task_struct *);

extern void user_enable_block_step(struct task_struct *);
#ifdef CONFIG_X86_DEBUGCTLMSR
#define arch_has_block_step()	(1)
#else
#define arch_has_block_step()	(boot_cpu_data.x86 >= 6)
#endif
<commit_msg>x86: eflags enum<commit_after>#ifndef _ASM_X86_PTRACE_H
#define _ASM_X86_PTRACE_H

#include <linux/compiler.h>	/* For __user */
#include <asm/ptrace-abi.h>

#ifndef __ASSEMBLY__

#ifdef __i386__
/* this struct defines the way the registers are stored on the
   stack during a system call. */

#ifndef __KERNEL__

struct pt_regs {
	long ebx;
	long ecx;
	long edx;
	long esi;
	long edi;
	long ebp;
	long eax;
	int  xds;
	int  xes;
	int  xfs;
	/* int  gs; */
	long orig_eax;
	long eip;
	int  xcs;
	long eflags;
	long esp;
	int  xss;
};

#else /* __KERNEL__ */

struct pt_regs {
	long bx;
	long cx;
	long dx;
	long si;
	long di;
	long bp;
	long ax;
	int  ds;
	int  es;
	int  fs;
	/* int  gs; */
	long orig_ax;
	long ip;
	int  cs;
	long flags;
	long sp;
	int  ss;
};

#include <asm/vm86.h>
#include <asm/segment.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->cs & SEGMENT_RPL_MASK) == USER_RPL;
}
static inline int user_mode_vm(struct pt_regs *regs)
{
	return ((regs->cs & SEGMENT_RPL_MASK) |
		(regs->flags & VM_MASK)) >= USER_RPL;
}
static inline int v8086_mode(struct pt_regs *regs)
{
	return (regs->flags & VM_MASK);
}

#define instruction_pointer(regs) ((regs)->ip)
#define frame_pointer(regs) ((regs)->bp)
#define stack_pointer(regs) ((unsigned long)(regs))
#define regs_return_value(regs) ((regs)->ax)

extern unsigned long profile_pc(struct pt_regs *regs);
#endif /* __KERNEL__ */

#else /* __i386__ */

#ifndef __KERNEL__

struct pt_regs {
	unsigned long r15;
	unsigned long r14;
	unsigned long r13;
	unsigned long r12;
	unsigned long rbp;
	unsigned long rbx;
/* arguments: non interrupts/non tracing syscalls only save upto here*/
	unsigned long r11;
	unsigned long r10;
	unsigned long r9;
	unsigned long r8;
	unsigned long rax;
	unsigned long rcx;
	unsigned long rdx;
	unsigned long rsi;
	unsigned long rdi;
	unsigned long orig_rax;
/* end of arguments */
/* cpu exception frame or undefined */
	unsigned long rip;
	unsigned long cs;
	unsigned long eflags;
	unsigned long rsp;
	unsigned long ss;
/* top of stack page */
};

#else /* __KERNEL__ */

struct pt_regs {
	unsigned long r15;
	unsigned long r14;
	unsigned long r13;
	unsigned long r12;
	unsigned long bp;
	unsigned long bx;
/* arguments: non interrupts/non tracing syscalls only save upto here*/
	unsigned long r11;
	unsigned long r10;
	unsigned long r9;
	unsigned long r8;
	unsigned long ax;
	unsigned long cx;
	unsigned long dx;
	unsigned long si;
	unsigned long di;
	unsigned long orig_ax;
/* end of arguments */
/* cpu exception frame or undefined */
	unsigned long ip;
	unsigned long cs;
	unsigned long flags;
	unsigned long sp;
	unsigned long ss;
/* top of stack page */
};

#define user_mode(regs) (!!((regs)->cs & 3))
#define user_mode_vm(regs) user_mode(regs)
#define v8086_mode(regs) 0	/* No V86 mode support in long mode */
#define instruction_pointer(regs) ((regs)->ip)
#define frame_pointer(regs) ((regs)->bp)
#define stack_pointer(regs) ((regs)->sp)
#define regs_return_value(regs) ((regs)->ax)

extern unsigned long profile_pc(struct pt_regs *regs);
void signal_fault(struct pt_regs *regs, void __user *frame, char *where);

struct task_struct;

extern unsigned long ptrace_get_debugreg(struct task_struct *child, int n);
extern int ptrace_set_debugreg(struct task_struct *child, int n, unsigned long);

extern unsigned long
convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs);

#endif /* __KERNEL__ */
#endif /* !__i386__ */

#ifdef __KERNEL__

/*
 * These are defined as per linux/ptrace.h, which see.
 */
#define arch_has_single_step()	(1)
extern void user_enable_single_step(struct task_struct *);
extern void user_disable_single_step(struct task_struct *);

extern void user_enable_block_step(struct task_struct *);
#ifdef CONFIG_X86_DEBUGCTLMSR
#define arch_has_block_step()	(1)
#else
#define arch_has_block_step()	(boot_cpu_data.x86 >= 6)
#endif

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