|
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
|
|
#ifndef _UAPI__A_OUT_GNU_H__ |
|
|
#define _UAPI__A_OUT_GNU_H__ |
|
|
|
|
|
#define __GNU_EXEC_MACROS__ |
|
|
|
|
|
#ifndef __STRUCT_EXEC_OVERRIDE__ |
|
|
|
|
|
#include <asm/a.out.h> |
|
|
|
|
|
#endif /* __STRUCT_EXEC_OVERRIDE__ */ |
|
|
|
|
|
#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. */ |
|
|
#ifndef __KERNEL__ |
|
|
#include <unistd.h> |
|
|
#endif |
|
|
#if defined(__i386__) || defined(__mc68000__) |
|
|
#define SEGMENT_SIZE 1024 |
|
|
#else |
|
|
#ifndef SEGMENT_SIZE |
|
|
#ifndef __KERNEL__ |
|
|
#define SEGMENT_SIZE getpagesize() |
|
|
#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. */ |
|
|
unsigned int r_pad:4; |
|
|
}; |
|
|
#endif /* no N_RELOCATION_INFO_DECLARED. */ |
|
|
|
|
|
#endif /*__ASSEMBLY__ */ |
|
|
#endif /* _UAPI__A_OUT_GNU_H__ */
|
|
|
|