Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
x86: merge ptrace_32/64.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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include/asm-x86/Kbuild
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include/asm-x86/Kbuild
+140
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include/asm-x86/ptrace.h
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-11
include/asm-x86/ptrace.h
···
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#ifndef _ASM_X86_PTRACE_H
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#define _ASM_X86_PTRACE_H
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#include <linux/compiler.h> /* For __user */
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#include <asm/ptrace-abi.h>
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#ifndef __ASSEMBLY__
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#ifdef __i386__
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/* this struct defines the way the registers are stored on the
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stack during a system call. */
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struct pt_regs {
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long ebx;
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long ecx;
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long edx;
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long esi;
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long edi;
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long ebp;
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long eax;
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int xds;
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int xes;
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int xfs;
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/* int xgs; */
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long orig_eax;
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long eip;
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int xcs;
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long eflags;
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long esp;
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int xss;
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};
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#ifdef __KERNEL__
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#include <asm/vm86.h>
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#include <asm/segment.h>
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struct task_struct;
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extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code);
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/*
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* user_mode_vm(regs) determines whether a register set came from user mode.
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* This is true if V8086 mode was enabled OR if the register set was from
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* protected mode with RPL-3 CS value. This tricky test checks that with
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* one comparison. Many places in the kernel can bypass this full check
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* if they have already ruled out V8086 mode, so user_mode(regs) can be used.
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*/
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static inline int user_mode(struct pt_regs *regs)
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{
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return (regs->xcs & SEGMENT_RPL_MASK) == USER_RPL;
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}
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static inline int user_mode_vm(struct pt_regs *regs)
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{
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return ((regs->xcs & SEGMENT_RPL_MASK) | (regs->eflags & VM_MASK)) >= USER_RPL;
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}
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static inline int v8086_mode(struct pt_regs *regs)
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{
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return (regs->eflags & VM_MASK);
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}
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#define instruction_pointer(regs) ((regs)->eip)
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#define frame_pointer(regs) ((regs)->ebp)
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#define stack_pointer(regs) ((regs)->esp)
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#define regs_return_value(regs) ((regs)->eax)
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extern unsigned long profile_pc(struct pt_regs *regs);
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#endif /* __KERNEL__ */
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#else /* __i386__ */
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struct pt_regs {
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unsigned long r15;
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unsigned long r14;
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unsigned long r13;
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unsigned long r12;
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unsigned long rbp;
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unsigned long rbx;
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/* arguments: non interrupts/non tracing syscalls only save upto here*/
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unsigned long r11;
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unsigned long r10;
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unsigned long r9;
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unsigned long r8;
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unsigned long rax;
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unsigned long rcx;
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unsigned long rdx;
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unsigned long rsi;
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unsigned long rdi;
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unsigned long orig_rax;
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/* end of arguments */
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/* cpu exception frame or undefined */
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unsigned long rip;
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unsigned long cs;
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unsigned long eflags;
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unsigned long rsp;
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unsigned long ss;
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/* top of stack page */
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};
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#ifdef __KERNEL__
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#define user_mode(regs) (!!((regs)->cs & 3))
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#define user_mode_vm(regs) user_mode(regs)
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#define instruction_pointer(regs) ((regs)->rip)
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#define frame_pointer(regs) ((regs)->rbp)
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#define stack_pointer(regs) ((regs)->rsp)
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#define regs_return_value(regs) ((regs)->rax)
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extern unsigned long profile_pc(struct pt_regs *regs);
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void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
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struct task_struct;
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extern unsigned long
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convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs);
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enum {
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EF_CF = 0x00000001,
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EF_PF = 0x00000004,
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EF_AF = 0x00000010,
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EF_ZF = 0x00000040,
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EF_SF = 0x00000080,
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EF_TF = 0x00000100,
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EF_IE = 0x00000200,
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EF_DF = 0x00000400,
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EF_OF = 0x00000800,
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EF_IOPL = 0x00003000,
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EF_IOPL_RING0 = 0x00000000,
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EF_IOPL_RING1 = 0x00001000,
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EF_IOPL_RING2 = 0x00002000,
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EF_NT = 0x00004000, /* nested task */
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EF_RF = 0x00010000, /* resume */
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EF_VM = 0x00020000, /* virtual mode */
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EF_AC = 0x00040000, /* alignment */
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EF_VIF = 0x00080000, /* virtual interrupt */
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EF_VIP = 0x00100000, /* virtual interrupt pending */
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EF_ID = 0x00200000, /* id */
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};
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#endif /* __KERNEL__ */
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#endif /* !__i386__ */
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#endif /* !__ASSEMBLY__ */
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#endif
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include/asm-x86/ptrace_32.h
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include/asm-x86/ptrace_32.h
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#ifndef _I386_PTRACE_H
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#define _I386_PTRACE_H
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#include <asm/ptrace-abi.h>
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/* this struct defines the way the registers are stored on the
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stack during a system call. */
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struct pt_regs {
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long ebx;
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long ecx;
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long edx;
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long esi;
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long edi;
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long ebp;
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long eax;
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int xds;
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int xes;
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int xfs;
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/* int xgs; */
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long orig_eax;
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long eip;
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int xcs;
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long eflags;
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long esp;
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int xss;
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};
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#ifdef __KERNEL__
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#include <asm/vm86.h>
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#include <asm/segment.h>
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struct task_struct;
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extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code);
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/*
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* user_mode_vm(regs) determines whether a register set came from user mode.
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* This is true if V8086 mode was enabled OR if the register set was from
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* protected mode with RPL-3 CS value. This tricky test checks that with
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* one comparison. Many places in the kernel can bypass this full check
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* if they have already ruled out V8086 mode, so user_mode(regs) can be used.
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*/
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static inline int user_mode(struct pt_regs *regs)
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{
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return (regs->xcs & SEGMENT_RPL_MASK) == USER_RPL;
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}
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static inline int user_mode_vm(struct pt_regs *regs)
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{
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return ((regs->xcs & SEGMENT_RPL_MASK) | (regs->eflags & VM_MASK)) >= USER_RPL;
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}
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static inline int v8086_mode(struct pt_regs *regs)
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{
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return (regs->eflags & VM_MASK);
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}
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#define instruction_pointer(regs) ((regs)->eip)
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#define frame_pointer(regs) ((regs)->ebp)
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#define stack_pointer(regs) ((regs)->esp)
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#define regs_return_value(regs) ((regs)->eax)
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extern unsigned long profile_pc(struct pt_regs *regs);
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#endif /* __KERNEL__ */
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#endif
···
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include/asm-x86/ptrace_64.h
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include/asm-x86/ptrace_64.h
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#ifndef _X86_64_PTRACE_H
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#define _X86_64_PTRACE_H
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#include <linux/compiler.h> /* For __user */
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#include <asm/ptrace-abi.h>
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#ifndef __ASSEMBLY__
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struct pt_regs {
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unsigned long r15;
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unsigned long r14;
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unsigned long r13;
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unsigned long r12;
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unsigned long rbp;
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unsigned long rbx;
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/* arguments: non interrupts/non tracing syscalls only save upto here*/
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unsigned long r11;
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unsigned long r10;
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unsigned long r9;
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unsigned long r8;
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unsigned long rax;
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unsigned long rcx;
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unsigned long rdx;
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unsigned long rsi;
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unsigned long rdi;
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unsigned long orig_rax;
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/* end of arguments */
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/* cpu exception frame or undefined */
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unsigned long rip;
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unsigned long cs;
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unsigned long eflags;
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unsigned long rsp;
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unsigned long ss;
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/* top of stack page */
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};
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#endif
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#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
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#define user_mode(regs) (!!((regs)->cs & 3))
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#define user_mode_vm(regs) user_mode(regs)
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#define instruction_pointer(regs) ((regs)->rip)
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#define frame_pointer(regs) ((regs)->rbp)
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#define stack_pointer(regs) ((regs)->rsp)
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#define regs_return_value(regs) ((regs)->rax)
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extern unsigned long profile_pc(struct pt_regs *regs);
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void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
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struct task_struct;
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extern unsigned long
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convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs);
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enum {
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EF_CF = 0x00000001,
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EF_PF = 0x00000004,
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EF_AF = 0x00000010,
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EF_ZF = 0x00000040,
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EF_SF = 0x00000080,
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EF_TF = 0x00000100,
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EF_IE = 0x00000200,
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EF_DF = 0x00000400,
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EF_OF = 0x00000800,
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EF_IOPL = 0x00003000,
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EF_IOPL_RING0 = 0x00000000,
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EF_IOPL_RING1 = 0x00001000,
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EF_IOPL_RING2 = 0x00002000,
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EF_NT = 0x00004000, /* nested task */
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EF_RF = 0x00010000, /* resume */
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EF_VM = 0x00020000, /* virtual mode */
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EF_AC = 0x00040000, /* alignment */
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EF_VIF = 0x00080000, /* virtual interrupt */
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EF_VIP = 0x00100000, /* virtual interrupt pending */
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EF_ID = 0x00200000, /* id */
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};
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#endif
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#endif
···