NAME

a.out - assembler and lik editor output

SYNOPSIS

#include <a.out.h>

DESCRIPTION

struct exec {
	int a_magic;
	unsigned a_text;
	unsigned a_data;
	unsigned a_bss;
	unsigned a_syms;
	unsigned a_entry;
	unsigned a_trsize;
	unsigned a_drsize;
};

`a_magic`
- OMAGIC
- NMAGIC
- ZMAGIC `a_text` `a_data` `a_bss` `a_syms` `a_entry` `a_trsize` `a_drsize`

struct nlist {
	union {
		char const *n_name;
		long n_strx;
	} n_un;
	unsigned char n_type;
	char n_other;
	short n_desc;
	unsigned n_value;
};

`n_un` - `n_name` - `n_strx` `n_type` `n_other` `n_desc` `n_value`

struct relocation_info {
	int r_address;
	unsigned r_symbolnum:24,
			r_pcrel:1,
			r_length:2,
			r_extern:1,
			pad:4;
};

- `r_address` - `r_symbolnum` - `r_pcrel` - `r_length` - `r_extern`

SEE ALSO

nm(1)