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ptrace.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_PTRACE_H
#define _ASM_X86_PTRACE_H

/* For */
#include <asm/ptrace-abi.h>
#include <asm/processor-flags.h>

#ifndef __ASSEMBLY__

#ifdef __i386__
/* 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;
	int  xfs;
	int  xgs;
	long orig_eax;
	long eip;
	int  xcs;
	long eflags;
	long esp;
	int  xss;
};

#else /* __i386__ */

struct pt_regs {
/*
 * C ABI says these regs are callee-preserved. They aren't saved on kernel entry
 * unless syscall needs a complete, fully filled "struct pt_regs".
 */
	unsigned long r15;
	unsigned long r14;
	unsigned long r13;
	unsigned long r12;
	unsigned long rbp;
	unsigned long rbx;
/* These regs are callee-clobbered. Always saved on kernel entry. */
	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;
/*
 * On syscall entry, this is syscall#. On CPU exception, this is error code.
 * On hw interrupt, it's IRQ number:
 */
	unsigned long orig_rax;
/* Return frame for iretq */
	unsigned long rip;
	unsigned long cs;
	unsigned long eflags;
	unsigned long rsp;
	unsigned long ss;
/* top of stack page */
};

#endif /* !__i386__ */

#endif /* !__ASSEMBLY__ */

#endif /* _ASM_X86_PTRACE_H */

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