diff options
Diffstat (limited to 'gdb/hp-include/a.out.h')
| -rw-r--r-- | gdb/hp-include/a.out.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/gdb/hp-include/a.out.h b/gdb/hp-include/a.out.h new file mode 100644 index 0000000..85d4275 --- /dev/null +++ b/gdb/hp-include/a.out.h @@ -0,0 +1,132 @@ +/* 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 */ |