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/* Special version of <a.out.h> for use under hp-ux.
Copyright (C) 1988 Free Software Foundation, Inc. */
/* The `exec' structure and overall layout must be close to HP's when
we are running on an HP system, otherwise we will not be able to
execute the resulting file. */
/* Allow this file to be included twice. */
#ifndef EXEC_PAGESIZE
struct exec
{
unsigned short a_machtype; /* machine type */
unsigned short a_magic; /* magic number */
unsigned long a_spare1;
unsigned long a_spare2;
unsigned long a_text; /* size of text segment */
unsigned long a_data; /* size of data segment */
unsigned long a_bss; /* size of bss segment */
unsigned long a_trsize; /* text relocation size */
unsigned long a_drsize; /* data relocation size */
unsigned long a_spare3; /* HP = pascal interface size */
unsigned long a_spare4; /* HP = symbol table size */
unsigned long a_spare5; /* HP = debug name table size */
unsigned long a_entry; /* entry point */
unsigned long a_spare6; /* HP = source line table size */
unsigned long a_spare7; /* HP = value table size */
unsigned long a_syms; /* symbol table size */
unsigned long a_spare8;
};
#define OMAGIC 0x107
#define NMAGIC 0x108
#define ZMAGIC 0x10B
#define N_BADTYPE(x) \
((((x) . a_magic) != OMAGIC) \
&& (((x) . a_magic) != NMAGIC) \
&& (((x) . a_magic) != ZMAGIC))
#define HP98x6_ID 0x20A
#define HP9000S200_ID 0x20C
#define N_BADMACH(x) \
((((x) . a_machtype) != HP9000S200_ID) \
&& (((x) . a_machtype) != HP98x6_ID))
#define N_BADMAG(x) ((N_BADTYPE (x)) || (N_BADMACH (x)))
#define EXEC_PAGESIZE 0x1000
#define EXEC_ALIGN(offset) \
(((offset) + (EXEC_PAGESIZE - 1)) & (~ (EXEC_PAGESIZE - 1)))
#define N_TXTOFF(x) \
((((x) . a_magic) == ZMAGIC) \
? (EXEC_ALIGN (sizeof (struct exec))) \
: (sizeof (struct exec)))
#define N_DATOFF(x) \
((((x) . a_magic) == ZMAGIC) \
? ((EXEC_ALIGN (sizeof (struct exec))) \
+ (EXEC_ALIGN ((x) . a_text))) \
: ((sizeof (struct exec)) + ((x) . a_text)))
#define N_TROFF(x) \
((((x) . a_magic) == ZMAGIC) \
? ((EXEC_ALIGN (sizeof (struct exec))) \
+ (EXEC_ALIGN ((x) . a_text)) \
+ (EXEC_ALIGN ((x) . a_data))) \
: ((sizeof (struct exec)) + ((x) . a_text) + ((x) . a_data)))
#define N_SYMOFF(x) ((N_TROFF (x)) + ((x) . a_trsize) + ((x) . a_drsize))
#define N_STROFF(x) ((N_SYMOFF (x)) + ((x) . a_syms))
/* Macros which take exec structures as arguments and tell where the
various pieces will be loaded. */
#define N_TXTADDR(x) 0
#define N_DATADDR(x) \
((((x) . a_magic) == OMAGIC) \
? ((x) . a_text) \
: (EXEC_ALIGN ((x) . a_text)))
#define N_BSSADDR(x) ((N_DATADDR (x)) + ((x) . a_data))
struct relocation_info
{
long r_address; /* address which is relocated */
unsigned int
r_symbolnum : 24, /* local symbol ordinal */
r_pcrel : 1, /* was relocated pc relative already */
r_length : 2, /* 0=byte, 1=word, 2=long */
r_extern : 1, /* does not include value of sym referenced */
: 4; /* nothing, yet */
};
struct nlist
{
union
{
char *n_name; /* for use when in-core */
long n_strx; /* index into file string table */
} n_un;
unsigned char n_type; /* type flag (N_TEXT,..) */
char n_other; /* unused */
short n_desc; /* see <stab.h> */
unsigned long n_value; /* value of symbol (or sdb offset) */
};
/* Simple values for n_type. */
#define N_UNDF 0x00 /* undefined */
#define N_ABS 0x02 /* absolute */
#define N_TEXT 0x04 /* text */
#define N_DATA 0x06 /* data */
#define N_BSS 0x08 /* bss */
#define N_COMM 0x12 /* common (internal to ld) */
#define N_FN 0x1F /* file name symbol */
#define N_EXT 0x01 /* external bit, or'ed in */
#define N_TYPE 0x1E /* mask for all the type bits */
/* dbx entries have some of the N_STAB bits set.
These are given in <stab.h> */
#define N_STAB 0xE0 /* if any of these bits set, a dbx symbol */
/* Format for namelist values. */
#define N_FORMAT "%08x"
#endif /* EXEC_PAGESIZE */
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