X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fa.out.h;h=220f1433889566f681c738b3c7a9bd3e23f62db5;hb=ec05a2311c35243cea08bca00bcf53a576ee41a2;hp=e86dfca44589f49e083e53a3f905868ba2e89955;hpb=8700600a74852d75eb965b969dcf9f58e2b32546;p=~andy%2Flinux diff --git a/include/linux/a.out.h b/include/linux/a.out.h index e86dfca4458..220f1433889 100644 --- a/include/linux/a.out.h +++ b/include/linux/a.out.h @@ -1,278 +1,84 @@ #ifndef __A_OUT_GNU_H__ #define __A_OUT_GNU_H__ -#define __GNU_EXEC_MACROS__ - -#ifndef __STRUCT_EXEC_OVERRIDE__ - -#include - -#endif /* __STRUCT_EXEC_OVERRIDE__ */ +#include #ifndef __ASSEMBLY__ - -/* these go in the N_MACHTYPE field */ -enum machine_type { #if defined (M_OLDSUN2) - M__OLDSUN2 = M_OLDSUN2, #else - M_OLDSUN2 = 0, #endif #if defined (M_68010) - M__68010 = M_68010, #else - M_68010 = 1, #endif #if defined (M_68020) - M__68020 = M_68020, #else - M_68020 = 2, #endif #if defined (M_SPARC) - M__SPARC = M_SPARC, #else - M_SPARC = 3, #endif - /* skip a bunch so we don't run into any of sun's numbers */ - M_386 = 100, - M_MIPS1 = 151, /* MIPS R3000/R3000 binary */ - M_MIPS2 = 152 /* MIPS R6000/R4000 binary */ -}; - #if !defined (N_MAGIC) -#define N_MAGIC(exec) ((exec).a_info & 0xffff) #endif -#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff)) -#define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff) -#define N_SET_INFO(exec, magic, type, flags) \ - ((exec).a_info = ((magic) & 0xffff) \ - | (((int)(type) & 0xff) << 16) \ - | (((flags) & 0xff) << 24)) -#define N_SET_MAGIC(exec, magic) \ - ((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff))) - -#define N_SET_MACHTYPE(exec, machtype) \ - ((exec).a_info = \ - ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16)) - -#define N_SET_FLAGS(exec, flags) \ - ((exec).a_info = \ - ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24)) - -/* Code indicating object file or impure executable. */ -#define OMAGIC 0407 -/* Code indicating pure executable. */ -#define NMAGIC 0410 -/* Code indicating demand-paged executable. */ -#define ZMAGIC 0413 -/* This indicates a demand-paged executable with the header in the text. - The first page is unmapped to help trap NULL pointer references */ -#define QMAGIC 0314 - -/* Code indicating core file. */ -#define CMAGIC 0421 - #if !defined (N_BADMAG) -#define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \ - && N_MAGIC(x) != NMAGIC \ - && N_MAGIC(x) != ZMAGIC \ - && N_MAGIC(x) != QMAGIC) #endif - -#define _N_HDROFF(x) (1024 - sizeof (struct exec)) - #if !defined (N_TXTOFF) -#define N_TXTOFF(x) \ - (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \ - (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec))) #endif - #if !defined (N_DATOFF) -#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text) #endif - #if !defined (N_TRELOFF) -#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data) #endif - #if !defined (N_DRELOFF) -#define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x)) #endif - #if !defined (N_SYMOFF) -#define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x)) #endif - #if !defined (N_STROFF) -#define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x)) #endif - -/* Address of text segment in memory after it is loaded. */ #if !defined (N_TXTADDR) -#define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? PAGE_SIZE : 0) #endif - -/* Address of data segment in memory after it is loaded. - Note that it is up to you to define SEGMENT_SIZE - on machines not listed here. */ #if defined(vax) || defined(hp300) || defined(pyr) -#define SEGMENT_SIZE page_size #endif #ifdef sony -#define SEGMENT_SIZE 0x2000 #endif /* Sony. */ #ifdef is68k -#define SEGMENT_SIZE 0x20000 #endif #if defined(m68k) && defined(PORTAR) -#define PAGE_SIZE 0x400 -#define SEGMENT_SIZE PAGE_SIZE #endif - #ifdef linux -#ifdef __KERNEL__ #include -#else -#include -#endif #if defined(__i386__) || defined(__mc68000__) -#define SEGMENT_SIZE 1024 #else #ifndef SEGMENT_SIZE -#ifdef __KERNEL__ #define SEGMENT_SIZE PAGE_SIZE -#else -#define SEGMENT_SIZE getpagesize() -#endif #endif #endif #endif - -#define _N_SEGMENT_ROUND(x) ALIGN(x, SEGMENT_SIZE) - -#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) - #ifndef N_DATADDR -#define N_DATADDR(x) \ - (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \ - : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x)))) #endif - -/* Address of bss segment in memory after it is loaded. */ #if !defined (N_BSSADDR) -#define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data) #endif - #if !defined (N_NLIST_DECLARED) -struct nlist { - union { - char *n_name; - struct nlist *n_next; - long n_strx; - } n_un; - unsigned char n_type; - char n_other; - short n_desc; - unsigned long n_value; -}; #endif /* no N_NLIST_DECLARED. */ - #if !defined (N_UNDF) -#define N_UNDF 0 #endif #if !defined (N_ABS) -#define N_ABS 2 #endif #if !defined (N_TEXT) -#define N_TEXT 4 #endif #if !defined (N_DATA) -#define N_DATA 6 #endif #if !defined (N_BSS) -#define N_BSS 8 #endif #if !defined (N_FN) -#define N_FN 15 #endif - #if !defined (N_EXT) -#define N_EXT 1 #endif #if !defined (N_TYPE) -#define N_TYPE 036 #endif #if !defined (N_STAB) -#define N_STAB 0340 #endif - -/* The following type indicates the definition of a symbol as being - an indirect reference to another symbol. The other symbol - appears as an undefined reference, immediately following this symbol. - - Indirection is asymmetrical. The other symbol's value will be used - to satisfy requests for the indirect symbol, but not vice versa. - If the other symbol does not have a definition, libraries will - be searched to find a definition. */ -#define N_INDR 0xa - -/* The following symbols refer to set elements. - All the N_SET[ATDB] symbols with the same name form one set. - Space is allocated for the set in the text section, and each set - element's value is stored into one word of the space. - The first word of the space is the length of the set (number of elements). - - The address of the set is made into an N_SETV symbol - whose name is the same as the name of the set. - This symbol acts like a N_DATA global symbol - in that it can satisfy undefined external references. */ - -/* These appear as input to LD, in a .o file. */ -#define N_SETA 0x14 /* Absolute set element symbol */ -#define N_SETT 0x16 /* Text set element symbol */ -#define N_SETD 0x18 /* Data set element symbol */ -#define N_SETB 0x1A /* Bss set element symbol */ - -/* This is output from LD. */ -#define N_SETV 0x1C /* Pointer to set vector in data area. */ - #if !defined (N_RELOCATION_INFO_DECLARED) -/* This structure describes a single relocation to be performed. - The text-relocation section of the file is a vector of these structures, - all of which apply to the text section. - Likewise, the data-relocation section applies to the data section. */ - -struct relocation_info -{ - /* Address (within segment) to be relocated. */ - int r_address; - /* The meaning of r_symbolnum depends on r_extern. */ - unsigned int r_symbolnum:24; - /* Nonzero means value is a pc-relative offset - and it should be relocated for changes in its own address - as well as for changes in the symbol or section specified. */ - unsigned int r_pcrel:1; - /* Length (as exponent of 2) of the field to be relocated. - Thus, a value of 2 indicates 1<<2 bytes. */ - unsigned int r_length:2; - /* 1 => relocate with value of symbol. - r_symbolnum is the index of the symbol - in file's the symbol table. - 0 => relocate with the address of a segment. - r_symbolnum is N_TEXT, N_DATA, N_BSS or N_ABS - (the N_EXT bit may be set also, but signifies nothing). */ - unsigned int r_extern:1; - /* Four bits that aren't used, but when writing an object file - it is desirable to clear them. */ #ifdef NS32K - unsigned r_bsr:1; - unsigned r_disp:1; - unsigned r_pad:2; #else - unsigned int r_pad:4; #endif -}; #endif /* no N_RELOCATION_INFO_DECLARED. */ - #endif /*__ASSEMBLY__ */ #endif /* __A_OUT_GNU_H__ */