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óÅÒ×ÅÒ ÐÏÄÄÅÒÖÉ×ÁÅÔÓÑ ãÅÎÔÒÏÍ éÎÆÏÒÍÁÃÉÏÎÎÙÈ ôÅÈÎÏÌÏÇÉÊ (095) 932-9212, 932-9213, 939-0783 E-mail: info@citforum.ru |
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a.out - æopÍaÔ ÆaÊÌa, ÐoÌyÞaeÍoÇo × peÚyÌØÔaÔe paÂoÔÙ
ÐpoÇpaÍÍ acceÍÂÌÉpo×aÎÉÑ É peÄaËÔopa c×ÑÚeÊ.
ïðéóáîéå
A.out Ñ×ÌÑeÔcÑ peÚyÌØÔÉpyÀÝÉÍ ÆaÊÌoÍ ÐocÌe Úa×epÛeÎÉÑ paÂoÔÙ
ÐpoÇpaÍÍ acceÍÂÌepa masm É peÄaËÔopa c×ÑÚeÊ ld. EcÌÉ ×
ÐpoÃecce paÂoÔÙ ËaÖÄoÊ ÉÚ ÜÔÉx ÐpoÇpaÍÍ Îe ÂÙÌÉ oÂÎapyÖeÎÙ
oÛÉÂËÉ ÉÌÉ ÎeoÐpeÄeÌeÎÎÙe ÇÌoÂaÌØÎÙe ÐepeÍeÎÎÙe, ÂyÄeÔ
coÚÄaÎ ÆaÊÌ fa.out.
æopÍaÔ ÆaÊÌa a.out, ÎaÚÙ×aeÍÙÊ ÔaËÖe x.out ÉÌÉ ceÇÍeÎÔÉpo×aÎÎÙÊ x.out, oÐpeÄeÌÑeÔcÑ ÆaÊÌaÍÉ /usr/include/a.out.h É /usr/include/sys/relsym.h. æaÊÌ a.out ÉÍeeÔ cÌeÄyÀÝÉe ocÎo×ÎÙe ÞacÔÉ:
B ceÇÍeÎÔÉpo×aÎÎoÍ ÆopÍaÔe ÍoÇyÔ cyÝecÔ×o×aÔØ ÎecËoÌØËo ceÇÍeÎÔo× ÔeËcÔo× É ÄaÎÎÙx, × Úa×ÉcÉÍocÔÉ oÔ ÍoÄeÌÉ ÐaÍÑÔÉ ÐpoÇpaÍÍÙ. CeÇÍeÎÔÙ × ÆaÊÌe ÎaÞÉÎaÀÔcÑ c aÄpeca, ËpaÔÎoÇo paÚÍepy cÔpaÎÉÃÙ ÆaÊÌa (512 ÂaÊÔ).
æOPíAô
/*
*OcÎo×ÎoÊ É ÄoÐoÌÎÉÔeÌØÎÙÊ ÚaÇoÌo×oË cÔpyËÔyp.
*äÌÑ ceÇÍeÔÉpo×aÎÎoÇo ÆopÍaÔa x.out (XE_SEG):
* 1)ÐoÌÑ, ÍapËÉpo×aÎÎÙe (s) ÄoÌÖÎÙ
* coÄepÖaÔØ cyÍÍy ×cex xs_psize,
ecÌÉ oÂpaÚ ÎaxoÄÉÔcÑ Îa ÄÉcËe
* ÉÌÉ xs_vsize ÄÌÑ oÂpaÚa ÐaÍÑÔÉ.
* 2)coÄepÖÉÍoe oÂÌacÔeÊ, ÍapËÉpo×aÎÎÙx
* (u) ÎeoÐpeÄeÌeÎo.
*/
struct xexec{ /*ÚaÇoÌo×oË x.out*/
unsigned short x_magic; /*ÍaÇÉÞecËoe ÞÉcÌo*/
unsigned short x_ext; /*paÚÍep ÄoÐoÌÎÉÔeÌØÎoÇo
ÚaÇoÌo×Ëa*/
long X-Text; /*paÚÍep ceÇÍeÎÔa ÔeËcÔa (s)*/
long x_data; /*paÚÍep ÉÎÉÃÉaÌÉÚÉpo×aÎÎÙx
ÄaÎÎÙx (s)*/
long x_bss; /*paÚÍep ÎeÉÎÉÃÉaÌÉÚÉpo×aÎÎÙx
ÄaÎÎÙx (s)*/
long syms; /*paÚÍep ÔaÂÌÉÃÙ cÉÍ×oÌo× (s)*/
long x_reloc; /*ÄÌÉÎa ÔaÂÌÉÃÙ ÐepeÍeÝeÎÉÊ (s)*/
long x_entry; /*ÍaÛÉÎÎo Úa×ÉcÉÍaÑ ÔoÞËa ×xoÄa*/
char x_cpu; /*ÔÉÐ ÐpoÃeccopa É ÐopÑÄoË ÂaÊÔ/cÌo×o*/
char x_relsym; /*ÆopÍÔ ÐepeÍeÝeÎÉÊ É cÉÍ×oÌo× (u)*/
unsigned short x_renv; /* cpeÄa ×ÙÐoÌÎeÎÉÑ*/
};
struct xext { /* ÄoÐoÌÎÉÔeÌØÎÙÊ ÚaÇoÌo×oË x.out */
long xe_trsize; /* paÚÍep ÔaÂÌÉÃÙ ÐepeÍeÝeÎÉÊ ÔeËcÔa (s) */
long xe_drsize; /* paÚÍep ÔaÂÌÉÃÙ ÐepeÍeÝeÎÉÊ ÄaÎÎÙx (s) */
long xe_tbase; /* ÂaÚa ÐepeÍeÝaeÍoÇo ÔeËcÔa(u) */
long xe_dbase; /* ÂaÚa ÐepeÍeÝaeÍÙx ÄaÎÎÙx(u) */
long xe_stksize; /* paÚÍep cÔeËa
(ecÌÉ XE_FS ycÔaÎo×ÌeÎ) */
/* cÌeÄyÀÝÉe ÄaÌee ÜÌeÍeÎÔÙ ÄoÌÖÎÙ ÂÙÔØ ÐpeÄcÔa×ÌeÎÙ
ecÌÉ XE_SEG ycÔaÎo×ÌeÎ */
long xe_segpos; /* ÐoÌoÖeÎÉe ÔaÂÌÉÃÙ ceÇÍeÎÔo× */
long xe_segsize; /* paÚÍep ÔaÂÌÉÃÙ ceÇÍeÎÔo× */
long xe_mdtpos; /* ÍaÛÉÎÎo Úa×ÉcÉÍoe ÐoÌoÖeÎÉe */
long xe_mdtsize; /* ÍaÛÉÎÎo Úa×ÉcÉÍÙÊ paÚÍep ÔaÂÌÉÃÙ */
char xe_mdttype; /* ÍaÛÉÎÎo Úa×ÉcÉÍÙÊ ÔÉÐ ÔaÂÌÉÃÙ */
char xe_pagesize; /* paÚÍep cÔpaÎÉÃÙ ÆaÊÌa, ËpaÔÎoe 512 */
char xe_ostype; /* ÔÉÐ oÐepaÃÉoÎÎoÊ cÉcÔeÍÙ */
char xe_osvers; /* ×epcÉÑ oÐepaÃÉoÎÎoÊ cÉcÔeÍÙ */
unsigned short xe_eseg; /*ceÇÍeÎÔ ×xoÄa, Úa×ÉcÉÍÙÊ
oÔ aÐÐapaÔypÙ */
unsigned short xe_sres; /* peÚep×Épo×aÎ */
};
struct xseg { /* ÔaÂÌÉÃa ceÇÍeÎÔo× x.out */
unsigned short xs_type; /*ÔÉÐ ceÇÍeÎÔa */
unsigned short xs_attr; /*aÔpÉÂyÔÙ ceÇÍeÎÔa */
unsigned short xs_seg; /*ÎoÍep ceÇÍeÎÔa */
char xs_align; /* ÌoÇapÉÆÍ Ðo ocÎo×aÎÉÀ 2
oÔ ×Ùpa×ÎÉ×aÎÉÑ */
char xs_cres; /* ÎeÉcÐoÌØÚyeÔcÑ*/
long xs_filpos; /* ÐoÌoÖeÎÉe ÆaÊÌa */
long xs_psize; /* ÆÉÚÉÞecËÉÊ paÚÍep (× ÆaÊÌe) */
long xs_vsize; /* ×ÉpÔyaÌØÎÙÊ paÚÍep (in core) */
long xs_rbase; /* aÄpec/cÍeÝeÎÉe ÂaÚÙ ÐepeÍeÝeÎÉÑ */
unsigned short xs_noff; /* cÍeÝeÎÉe Äo ÉÍeÎÉ ceÇÍÎÔa × ÔaÂÌÉÃe ceÇÍeÎÔo×
ceÇÍeÎÔa */
unsigned short xs_sres; /* ÎeÉcÐoÌØÚyeÔcÑ*/
long xs_lres; /* ÎeÉcÐoÌØÚyeÔcÑ */
};
struct xiter { /* ÚaÐÉcØ Ðo×ÔopeÎÉÊ x.out */
long xi_size; /* source byte count */
long xi_rep; /* replication count */
long xi_offset; /* destination offset in segment */
};
struct xlist { /* xlist cÔpyËÔypa ÄÌÑ xlist(3). */
unsigned short xl_type; /* ÔÉÐ cÉÍ×oÌa */
unsigned short xl_seg; /* ÉÎÄeËc ÔaÂÌÉÃÙ ceÇÍeÎÔa ÆaÊÌa */
long xl_value; /* ×eÌÉÞÉÎa cÉÍ×oÌa */
char *xl_name; /* yËaÚaÔeÌØ Îa ÉÍÑ, oÇpaÎÉÞeÎÎoe ÎyÌeÍ */
};
struct aexec { /* ÚaÇoÌo×oË a.out */
unsigned short xa_magic; /* ÍaÇÉÞecËoe ÞÉcÌo */
unsigned short xa_text; /* paÚÍep ceÇÍeÎÔa ÔeËcÔa*/
unsigned short xa_data; /* paÚÍep ÉÎÉÃÉaÌÉÚÉpo×aÎÎÙx ÄaÎÎÙx */
unsigned short xa_bss; /* paÚÍep ÎeÉÎÉÃÉaÌÉÚÉpo×aÎÎÙx ÄaÎÎÙx */
unsigned short xa_syms; /* paÚÍep ÔaÂÌÉÃÙ cÉÍ×oÌo× */
unsigned short xa_entry; /* ÔoÞËa ×xoÄa */
unsigned short xa_unused; /* Îe ÉcÐoÌØÚyeÔcÑ */
unsigned short xa_flag; /* ÆÌaÇ oÔcyÔc×ÉÑ ÔaÂÌÉÃÙ ÉÍeÎ */
};
struct nlist { /* nlist cÔpyËÔypa ÄÌÑ nlist(3). */
char n_name[8]; /* ÉÍÑ cÉÍ×oÌa */
int n_type; /* ÆÌaÇ ÔÉÐa*/
unsigned n_value; /* ×eÌÉÞÉÎa */
};
struct bexec { /* ÚaÇoÌo×oË b.out */
long xb_magic; /* ÍaÇÉÞecËoe ÞÉcÌo */
long xb_text; /* paÚÍep ceÇÍeÎÔa ÔeËcÔa*/
long xb_data; /* paÚÍep ceÎÍeÎÔa ÄaÎÎÙx*/
long xb_bss; /* paÚÍep ÎeÉÎÉÃÉaÌÉÚÉpo×aÎÎÙx ÄaÎÎÙx */
long xb_syms; /* paÚÍep ÔaÂÌÉÃÙ cÉÍ×oÌo×*/
long xb_trsize; /* paÚÍep ÔaÂÌÉÃÙ ÐepeÍeÝeÎÉÑ
ÔeËcÔa*/
long xb_drsize; /* paÚÍep ÔaÂÌÉÃÙ ÐepeÍeÝeÎÉÑ
ÄaÎÎÙx*/
long xb_entry; /* ÔoÞËa ×xoÄa*/
};
óí. ôáëöå
masm(1), ld(1), nm(1), strip(1), xlist(1).
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