Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//usr/include/x86_64-linux-gnu/asm/a.out.h

 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_A_OUT_H
#define _ASM_X86_A_OUT_H

struct exec
{
	unsigned int a_info;	/* Use macros N_MAGIC, etc for access */
	unsigned a_text;	/* length of text, in bytes */
	unsigned a_data;	/* length of data, in bytes */
	unsigned a_bss;		/* length of uninitialized data area for file, in bytes */
	unsigned a_syms;	/* length of symbol table data in file, in bytes */
	unsigned a_entry;	/* start address */
	unsigned a_trsize;	/* length of relocation info for text, in bytes */
	unsigned a_drsize;	/* length of relocation info for data, in bytes */
};

#define N_TRSIZE(a)	((a).a_trsize)
#define N_DRSIZE(a)	((a).a_drsize)
#define N_SYMSIZE(a)	((a).a_syms)

#endif /* _ASM_X86_A_OUT_H */