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- --- /dev/null
- +++ b/include/a.out.h
- @@ -0,0 +1,138 @@
- +#ifndef __A_OUT_GNU_H__
- +#define __A_OUT_GNU_H__
- +
- +#include <bits/a.out.h>
- +
- +#define __GNU_EXEC_MACROS__
- +
- +struct exec
- +{
- + unsigned long a_info; /* Use macros N_MAGIC, etc for access. */
- + unsigned int a_text; /* Length of text, in bytes. */
- + unsigned int a_data; /* Length of data, in bytes. */
- + unsigned int a_bss; /* Length of uninitialized data area for file, in bytes. */
- + unsigned int a_syms; /* Length of symbol table data in file, in bytes. */
- + unsigned int a_entry; /* Start address. */
- + unsigned int a_trsize;/* Length of relocation info for text, in bytes. */
- + unsigned int a_drsize;/* Length of relocation info for data, in bytes. */
- +};
- +
- +enum machine_type
- +{
- + M_OLDSUN2 = 0,
- + M_68010 = 1,
- + M_68020 = 2,
- + M_SPARC = 3,
- + M_386 = 100,
- + M_MIPS1 = 151,
- + M_MIPS2 = 152
- +};
- +
- +#define N_MAGIC(exec) ((exec).a_info & 0xffff)
- +#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
- +
- +#define N_TRSIZE(a) ((a).a_trsize)
- +#define N_DRSIZE(a) ((a).a_drsize)
- +#define N_SYMSIZE(a) ((a).a_syms)
- +#define N_BADMAG(x) \
- + (N_MAGIC(x) != OMAGIC && N_MAGIC(x) != NMAGIC \
- + && N_MAGIC(x) != ZMAGIC && N_MAGIC(x) != QMAGIC)
- +#define _N_HDROFF(x) (1024 - sizeof (struct exec))
- +#define N_TXTOFF(x) \
- + (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \
- + (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec)))
- +#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text)
- +#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
- +#define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x))
- +#define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x))
- +#define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x))
- +
- +/* Address of text segment in memory after it is loaded. */
- +#define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? 4096 : 0)
- +
- +/* Address of data segment in memory after it is loaded. */
- +#define SEGMENT_SIZE 1024
- +
- +#define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1))
- +#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text)
- +
- +#define N_DATADDR(x) \
- + (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \
- + : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
- +#define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data)
- +
- +#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. */
- +
- +#define N_UNDF 0
- +#define N_ABS 2
- +#define N_TEXT 4
- +#define N_DATA 6
- +#define N_BSS 8
- +#define N_FN 15
- +#define N_EXT 1
- +#define N_TYPE 036
- +#define N_STAB 0340
- +#define N_INDR 0xa
- +#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. */
- +#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
- +{
- + int r_address;
- + unsigned int r_symbolnum:24;
- + unsigned int r_pcrel:1;
- + unsigned int r_length:2;
- + unsigned int r_extern:1;
- + unsigned int r_pad:4;
- +};
- +#endif /* no N_RELOCATION_INFO_DECLARED. */
- +
- +#endif /* __A_OUT_GNU_H__ */
- --- /dev/null
- +++ b/include/bits/a.out.h
- @@ -0,0 +1,13 @@
- +#ifndef __A_OUT_GNU_H__
- +# error "Never use <bits/a.out.h> directly; include <a.out.h> instead."
- +#endif
- +
- +#include <bits/wordsize.h>
- +
- +#if __WORDSIZE == 64
- +
- +/* Signal to users of this header that this architecture really doesn't
- + support a.out binary format. */
- +#define __NO_A_OUT_SUPPORT 1
- +
- +#endif
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