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Header with a.out binary format definitions.
This commit is contained in:
Ulrich Drepper
parent
ff46117d2f
commit
775a8c02e1
197
sysdeps/unix/sysv/linux/alpha/a.out.h
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197
sysdeps/unix/sysv/linux/alpha/a.out.h
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#ifndef __A_OUT_GNU_H__
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#define __A_OUT_GNU_H__
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#include <bits/a.out.h>
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#define __GNU_EXEC_MACROS__
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/*
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* OSF/1 ECOFF header structs. ECOFF files consist of:
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* - a file header (struct filehdr),
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* - an a.out header (struct aouthdr),
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* - one or more section headers (struct scnhdr).
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* The filhdr's "f_nscns" field contains the
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* number of section headers.
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*/
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struct filehdr
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{
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/* OSF/1 "file" header */
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unsigned short f_magic, f_nscns;
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unsigned int f_timdat;
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unsigned long f_symptr;
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unsigned int f_nsyms;
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unsigned short f_opthdr, f_flags;
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};
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struct aouthdr
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{
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unsigned long info; /* After that it looks quite normal.. */
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unsigned long tsize;
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unsigned long dsize;
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unsigned long bsize;
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unsigned long entry;
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unsigned long text_start; /* With a few additions that actually make sense. */
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unsigned long data_start;
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unsigned long bss_start;
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unsigned int gprmask, fprmask; /* Bitmask of general & floating point regs used in binary. */
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unsigned long gpvalue;
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};
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struct scnhdr
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{
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char s_name[8];
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unsigned long s_paddr;
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unsigned long s_vaddr;
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unsigned long s_size;
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unsigned long s_scnptr;
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unsigned long s_relptr;
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unsigned long s_lnnoptr;
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unsigned short s_nreloc;
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unsigned short s_nlnno;
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unsigned int s_flags;
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};
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struct exec
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{
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/* OSF/1 "file" header */
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struct filehdr fh;
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struct aouthdr ah;
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};
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#define a_info ah.info
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#define a_text ah.tsize
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#define a_data ah.dsize
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#define a_bss ah.bsize
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#define a_entry ah.entry
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#define a_textstart ah.text_start
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#define a_datastart ah.data_start
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#define a_bssstart ah.bss_start
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#define a_gprmask ah.gprmask
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#define a_fprmask ah.fprmask
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#define a_gpvalue ah.gpvalue
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#define AOUTHSZ sizeof(struct aouthdr)
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#define SCNHSZ sizeof(struct scnhdr)
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#define SCNROUND 16
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enum machine_type
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{
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M_OLDSUN2 = 0,
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M_68010 = 1,
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M_68020 = 2,
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M_SPARC = 3,
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M_386 = 100,
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M_MIPS1 = 151,
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M_MIPS2 = 152
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};
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#define N_MAGIC(exec) ((exec).a_info & 0xffff)
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#define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
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#define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
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#define N_SET_INFO(exec, magic, type, flags) \
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((exec).a_info = ((magic) & 0xffff) \
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| (((int)(type) & 0xff) << 16) \
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| (((flags) & 0xff) << 24))
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#define N_SET_MAGIC(exec, magic) \
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((exec).a_info = ((exec).a_info & 0xffff0000) | ((magic) & 0xffff))
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#define N_SET_MACHTYPE(exec, machtype) \
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((exec).a_info = \
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((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
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#define N_SET_FLAGS(exec, flags) \
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((exec).a_info = \
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((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
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/* Code indicating object file or impure executable. */
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#define OMAGIC 0407
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/* Code indicating pure executable. */
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#define NMAGIC 0410
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/* Code indicating demand-paged executable. */
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#define ZMAGIC 0413
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/* This indicates a demand-paged executable with the header in the text.
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The first page is unmapped to help trap NULL pointer references. */
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#define QMAGIC 0314
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/* Code indicating core file. */
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#define CMAGIC 0421
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#define N_TRSIZE(x) 0
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#define N_DRSIZE(x) 0
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#define N_SYMSIZE(x) 0
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#define N_BADMAG(x) \
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(N_MAGIC(x) != OMAGIC && N_MAGIC(x) != NMAGIC \
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&& N_MAGIC(x) != ZMAGIC && N_MAGIC(x) != QMAGIC)
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#define _N_HDROFF(x) (1024 - sizeof (struct exec))
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#define N_TXTOFF(x) \
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((long) N_MAGIC(x) == ZMAGIC ? 0 : \
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(sizeof (struct exec) + (x).fh.f_nscns * SCNHSZ + SCNROUND - 1) \
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& ~(SCNROUND - 1))
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#define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text)
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#define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data)
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#define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x))
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#define N_SYMOFF(x) (N_DRELOFF(x) + N_DRSIZE(x))
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#define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x))
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/* Address of text segment in memory after it is loaded. */
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#define N_TXTADDR(x) ((x).a_textstart)
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/* Address of data segment in memory after it is loaded. */
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#define SEGMENT_SIZE 1024
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#define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1))
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#define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text)
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#define N_DATADDR(x) ((x).a_datastart)
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#define N_BSSADDR(x) ((x).a_bssstart)
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#if !defined (N_NLIST_DECLARED)
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struct nlist
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{
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union
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{
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char *n_name;
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struct nlist *n_next;
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long n_strx;
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} n_un;
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unsigned char n_type;
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char n_other;
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short n_desc;
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unsigned long n_value;
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};
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#endif /* no N_NLIST_DECLARED. */
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#define N_UNDF 0
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#define N_ABS 2
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#define N_TEXT 4
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#define N_DATA 6
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#define N_BSS 8
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#define N_FN 15
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#define N_EXT 1
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#define N_TYPE 036
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#define N_STAB 0340
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#define N_INDR 0xa
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#define N_SETA 0x14 /* Absolute set element symbol. */
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#define N_SETT 0x16 /* Text set element symbol. */
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#define N_SETD 0x18 /* Data set element symbol. */
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#define N_SETB 0x1A /* Bss set element symbol. */
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#define N_SETV 0x1C /* Pointer to set vector in data area. */
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#if !defined (N_RELOCATION_INFO_DECLARED)
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/* This structure describes a single relocation to be performed.
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The text-relocation section of the file is a vector of these structures,
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all of which apply to the text section.
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Likewise, the data-relocation section applies to the data section. */
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struct relocation_info
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{
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int r_address;
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unsigned int r_symbolnum:24;
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unsigned int r_pcrel:1;
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unsigned int r_length:2;
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unsigned int r_extern:1;
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unsigned int r_pad:4;
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};
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#endif /* no N_RELOCATION_INFO_DECLARED. */
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#endif /* __A_OUT_GNU_H__ */
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9
sysdeps/unix/sysv/linux/alpha/bits/a.out.h
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9
sysdeps/unix/sysv/linux/alpha/bits/a.out.h
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#ifndef __A_OUT_GNU_H__
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# error "Never use <bits/a.out.h> directly; include <a.out.h> instead."
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#endif
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#ifndef __A_OUT_GNU_H__
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# error "Never use <bits/a.out.h> directly; include <a.out.h> instead."
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#endif
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#ifndef __A_OUT_GNU_H__
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# error "Never use <bits/a.out.h> directly; include <a.out.h> instead."
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#endif
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3
sysdeps/unix/sysv/linux/m68k/bits/a.out.h
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3
sysdeps/unix/sysv/linux/m68k/bits/a.out.h
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#ifndef __A_OUT_GNU_H__
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# error "Never use <bits/a.out.h> directly; include <a.out.h> instead."
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#endif
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