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The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/asm/ptrace.h


$ cat -n /usr/include/x86_64-linux-gnu/asm/ptrace.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _ASM_X86_PTRACE_H
     3	#define _ASM_X86_PTRACE_H
     4	
     5		/* For */
     6	#include <asm/ptrace-abi.h>
     7	#include <asm/processor-flags.h>
     8	
     9	
    10	#ifndef __ASSEMBLY__
    11	
    12	#ifdef __i386__
    13	/* this struct defines the way the registers are stored on the
    14	   stack during a system call. */
    15	
    16	
    17	struct pt_regs {
    18		long ebx;
    19		long ecx;
    20		long edx;
    21		long esi;
    22		long edi;
    23		long ebp;
    24		long eax;
    25		int  xds;
    26		int  xes;
    27		int  xfs;
    28		int  xgs;
    29		long orig_eax;
    30		long eip;
    31		int  xcs;
    32		long eflags;
    33		long esp;
    34		int  xss;
    35	};
    36	
    37	
    38	#else /* __i386__ */
    39	
    40	
    41	struct pt_regs {
    42	/*
    43	 * C ABI says these regs are callee-preserved. They aren't saved on kernel entry
    44	 * unless syscall needs a complete, fully filled "struct pt_regs".
    45	 */
    46		unsigned long r15;
    47		unsigned long r14;
    48		unsigned long r13;
    49		unsigned long r12;
    50		unsigned long rbp;
    51		unsigned long rbx;
    52	/* These regs are callee-clobbered. Always saved on kernel entry. */
    53		unsigned long r11;
    54		unsigned long r10;
    55		unsigned long r9;
    56		unsigned long r8;
    57		unsigned long rax;
    58		unsigned long rcx;
    59		unsigned long rdx;
    60		unsigned long rsi;
    61		unsigned long rdi;
    62	/*
    63	 * On syscall entry, this is syscall#. On CPU exception, this is error code.
    64	 * On hw interrupt, it's IRQ number:
    65	 */
    66		unsigned long orig_rax;
    67	/* Return frame for iretq */
    68		unsigned long rip;
    69		unsigned long cs;
    70		unsigned long eflags;
    71		unsigned long rsp;
    72		unsigned long ss;
    73	/* top of stack page */
    74	};
    75	
    76	#endif /* !__i386__ */
    77	
    78	
    79	
    80	#endif /* !__ASSEMBLY__ */
    81	
    82	#endif /* _ASM_X86_PTRACE_H */