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This commit is contained in:
Steve Chamberlain 1992-02-27 18:52:18 +00:00
parent 36a19fdc5b
commit 3e6e09c068
3 changed files with 1220 additions and 3 deletions
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9
gas/config/.Sanitize
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@ -28,11 +28,11 @@ echo Sanitizing `pwd`...
Things-to-keep:
ChangeLog
a.out.gnu.h
aout_gnu.h
atof-ieee.c
atof-ns32k.c
atof-vax.c
coff.gnu.h
coff_gnu.h
cplus-dem.c
ho-ansi.h
ho-decstation.h
@ -124,7 +124,10 @@ echo Done in `pwd`.
#
#
# $Log$
# Revision 1.20 1992/02/26 08:54:09 tiemann
# Revision 1.21 1992/02/27 18:52:18 sac
# Dos File renaming
#
# Revision 1.20 1992/02/26 08:54:09 tiemann
# Keep a.out.gnu.h, not a.out.h (which no longer exists).
#
# Revision 1.19 1992/02/22 00:24:13 sac

431
gas/config/aout_gnu.h Normal file
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@ -0,0 +1,431 @@
/* This file is aout_gnu.h
Copyright (C) 1987-1992 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef __A_OUT_GNU_H__
#define __A_OUT_GNU_H__
/* There are two main flavours of a.out, one which uses the standard
relocations, and one which uses extended relocations.
Today, the extended reloc uses are
TC_SPARC, TC_A29K
each must define the enum reloc_type
*/
#define USE_EXTENDED_RELOC (defined(TC_SPARC) || defined(TC_A29K))
#if defined(TC_SPARC) || defined(TC_A29K)
enum reloc_type {
RELOC_8, RELOC_16, RELOC_32, /* simple relocations */
RELOC_DISP8, RELOC_DISP16, RELOC_DISP32, /* pc-rel displacement */
RELOC_WDISP30, RELOC_WDISP22,
RELOC_HI22, RELOC_22,
RELOC_13, RELOC_LO10,
RELOC_SFA_BASE, RELOC_SFA_OFF13,
RELOC_BASE10, RELOC_BASE13, RELOC_BASE22, /* P.I.C. (base-relative) */
RELOC_PC10, RELOC_PC22, /* for some sort of pc-rel P.I.C. (?) */
RELOC_JMP_TBL, /* P.I.C. jump table */
RELOC_SEGOFF16, /* reputedly for shared libraries somehow */
RELOC_GLOB_DAT, RELOC_JMP_SLOT, RELOC_RELATIVE,
RELOC_11,
RELOC_WDISP2_14,
RELOC_WDISP19,
RELOC_HHI22,
RELOC_HLO10,
/* 29K relocation types */
RELOC_JUMPTARG, RELOC_CONST, RELOC_CONSTH,
RELOC_WDISP14, RELOC_WDISP21,
NO_RELOC,
};
#endif /* TC_SPARC or TC_A29K */
#define __GNU_EXEC_MACROS__
#ifndef __STRUCT_EXEC_OVERRIDE__
/* This is the layout on disk of a Unix V7, Berkeley, SunOS, Vax Ultrix
"struct exec". Don't assume that on this machine, the "struct exec"
will lay out the same sizes or alignments. */
struct exec_bytes {
unsigned char a_info[4];
unsigned char a_text[4];
unsigned char a_data[4];
unsigned char a_bss[4];
unsigned char a_syms[4];
unsigned char a_entry[4];
unsigned char a_trsize[4];
unsigned char a_drsize[4];
};
/* How big the "struct exec" is on disk */
#define EXEC_BYTES_SIZE (8 * 4)
/* This is the layout in memory of a "struct exec" while we process it. */
struct exec
{
unsigned long a_info; /* Use macros N_MAGIC, etc for access */
unsigned a_text; /* length of text, in bytes */
unsigned a_data; /* length of data, in bytes */
unsigned a_bss; /* length of uninitialized data area for file, in bytes */
unsigned a_syms; /* length of symbol table data in file, in bytes */
unsigned a_entry; /* start address */
unsigned a_trsize; /* length of relocation info for text, in bytes */
unsigned a_drsize; /* length of relocation info for data, in bytes */
};
#endif /* __STRUCT_EXEC_OVERRIDE__ */
/* these go in the N_MACHTYPE field */
/* These symbols could be defined by code from Suns...punt 'em */
#undef M_UNKNOWN
#undef M_68010
#undef M_68020
#undef M_SPARC
enum machine_type {
M_UNKNOWN = 0,
M_68010 = 1,
M_68020 = 2,
M_SPARC = 3,
/* skip a bunch so we don't run into any of sun's numbers */
M_386 = 100,
M_29K = 101,
M_RS6000 = 102, /* IBM RS/6000 */
/* HP/BSD formats */
M_HP200 = 200, /* hp200 (68010) BSD binary */
M_HP300 = 300, /* hp300 (68020+68881) BSD binary */
M_HPUX23 = 0x020C, /* hp200/300 HPUX binary */
};
#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
/* Virtual Address of text segment from the a.out file. For OMAGIC,
(almost always "unlinked .o's" these days), should be zero.
For linked files, should reflect reality if we know it. */
#ifndef N_TXTADDR
#define N_TXTADDR(x) (N_MAGIC(x)==OMAGIC? 0 : TEXT_START_ADDR)
#endif
#ifndef N_BADMAG
#define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \
&& N_MAGIC(x) != NMAGIC \
&& N_MAGIC(x) != ZMAGIC)
#endif
/* By default, segment size is constant. But on some machines, it can
be a function of the a.out header (e.g. machine type). */
#ifndef N_SEGSIZE
#define N_SEGSIZE(x) SEGMENT_SIZE
#endif
/* This complexity is for encapsulated COFF support */
#ifndef _N_HDROFF
#define _N_HDROFF(x) (N_SEGSIZE(x) - sizeof (struct exec))
#endif
#ifndef N_TXTOFF
#define N_TXTOFF(x) (N_MAGIC(x) == ZMAGIC ? \
_N_HDROFF((x)) + sizeof (struct exec) : \
sizeof (struct exec))
#endif
#ifndef N_DATOFF
#define N_DATOFF(x) ( N_TXTOFF(x) + (x).a_text )
#endif
#ifndef N_TRELOFF
#define N_TRELOFF(x) ( N_DATOFF(x) + (x).a_data )
#endif
#ifndef N_DRELOFF
#define N_DRELOFF(x) ( N_TRELOFF(x) + (x).a_trsize )
#endif
#ifndef N_SYMOFF
#define N_SYMOFF(x) ( N_DRELOFF(x) + (x).a_drsize )
#endif
#ifndef N_STROFF
#define N_STROFF(x) ( N_SYMOFF(x) + (x).a_syms )
#endif
/* Address of text segment in memory after it is loaded. */
#ifndef N_TXTADDR
#define N_TXTADDR(x) 0
#endif
#ifndef N_DATADDR
#define N_DATADDR(x) \
(N_MAGIC(x)==OMAGIC? (N_TXTADDR(x)+(x).a_text) \
: (N_SEGSIZE(x) + ((N_TXTADDR(x)+(x).a_text-1) & ~(N_SEGSIZE(x)-1))))
#endif
/* Address of bss segment in memory after it is loaded. */
#define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data)
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;
};
#define N_UNDF 0
#define N_ABS 2
#define N_TEXT 4
#define N_DATA 6
#define N_BSS 8
#define N_COMM 0x12 /* common (visible in shared lib commons) */
#define N_FN 0x1F /* File name of a .o file */
/* Note: N_EXT can only usefully be OR-ed with N_UNDF, N_ABS, N_TEXT,
N_DATA, or N_BSS. When the low-order bit of other types is set,
(e.g. N_WARNING versus N_FN), they are two different types. */
#define N_EXT 1
#define N_TYPE 036
#define N_STAB 0340
/* 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. */
/* Warning symbol. The text gives a warning message, the next symbol
in the table will be undefined. When the symbol is referenced, the
message is printed. */
#define N_WARNING 0x1e
/* 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. */
/* The following enum and struct were borrowed from SunOS's
/usr/include/sun4/a.out.h and extended to handle
other machines. It is currently used on SPARC and AMD 29000.
reloc_ext_bytes is how it looks on disk. reloc_info_extended is
how we might process it on a native host. */
#if USE_EXTENDED_RELOC
struct reloc_ext_bytes {
unsigned char r_address[4];
unsigned char r_index[3];
unsigned char r_bits[1];
unsigned char r_addend[4];
};
#define RELOC_EXT_BITS_EXTERN_BIG 0x80
#define RELOC_EXT_BITS_EXTERN_LITTLE 0x01
#define RELOC_EXT_BITS_TYPE_BIG 0x1F
#define RELOC_EXT_BITS_TYPE_SH_BIG 0
#define RELOC_EXT_BITS_TYPE_LITTLE 0xF8
#define RELOC_EXT_BITS_TYPE_SH_LITTLE 3
#define RELOC_EXT_SIZE 12 /* Bytes per relocation entry */
struct reloc_info_extended
{
unsigned long r_address;
unsigned int r_index:24;
# define r_symbolnum r_index
unsigned r_extern:1;
unsigned :2;
/* RS/6000 compiler does not support enum bitfield
enum reloc_type r_type:5; */
enum reloc_type r_type;
long int r_addend;
};
#else
/* The standard, old-fashioned, Berkeley compatible relocation struct */
#ifdef TC_I860
/* NOTE: three bits max, see struct reloc_info_i860.r_type */
enum i860_reloc_type {
NO_RELOC = 0, BRADDR, LOW0, LOW1, LOW2, LOW3, LOW4, SPLIT0, SPLIT1, SPLIT2, RELOC_32,
};
typedef enum i860_reloc_type reloc_type;
/* NOTE: two bits max, see reloc_info_i860.r_type */
enum highlow_type {
NO_SPEC = 0, PAIR, HIGH, HIGHADJ,
};
struct reloc_info_i860
{
unsigned long r_address;
/*
* Using bit fields here is a bad idea because the order is not portable. :-(
*/
unsigned int r_symbolnum: 24;
unsigned int r_pcrel : 1;
unsigned int r_extern : 1;
/* combining the two field simplifies the argument passing in "new_fix()" */
/* and is compatible with the existing Sparc #ifdef's */
/* r_type: highlow_type - bits 5,4; reloc_type - bits 3-0 */
unsigned int r_type : 6;
long r_addend;
};
#endif /* TC_I860 */
struct reloc_std_bytes {
unsigned char r_address[4];
unsigned char r_index[3];
unsigned char r_bits[1];
};
#define RELOC_STD_BITS_PCREL_BIG 0x80
#define RELOC_STD_BITS_PCREL_LITTLE 0x01
#define RELOC_STD_BITS_LENGTH_BIG 0x60
#define RELOC_STD_BITS_LENGTH_SH_BIG 5 /* To shift to units place */
#define RELOC_STD_BITS_LENGTH_LITTLE 0x06
#define RELOC_STD_BITS_LENGTH_SH_LITTLE 1
#define RELOC_STD_BITS_EXTERN_BIG 0x10
#define RELOC_STD_BITS_EXTERN_LITTLE 0x08
#define RELOC_STD_BITS_BASEREL_BIG 0x08
#define RELOC_STD_BITS_BASEREL_LITTLE 0x08
#define RELOC_STD_BITS_JMPTABLE_BIG 0x04
#define RELOC_STD_BITS_JMPTABLE_LITTLE 0x04
#define RELOC_STD_BITS_RELATIVE_BIG 0x02
#define RELOC_STD_BITS_RELATIVE_LITTLE 0x02
#define RELOC_STD_SIZE 8 /* Bytes per relocation entry */
#endif /* USE_EXTENDED_RELOC */
#ifndef CUSTOM_RELOC_FORMAT
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;
/* The next three bits are for SunOS shared libraries, and seem to
be undocumented. */
unsigned int r_baserel:1; /* Linkage table relative */
unsigned int r_jmptable:1; /* pc-relative to jump table */
#ifdef TC_NS32K
#define r_bsr r_baserel
#define r_disp r_jmptable
#endif /* TC_NS32K */
unsigned int r_relative:1; /* "relative relocation" */
/* unused */
unsigned int r_pad:1; /* Padding -- set to zero */
};
#endif /* CUSTOM_RELOC_FORMAT */
#endif /* __A_OUT_GNU_H__ */
/* end of aout_gnu.h */

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/* coff_gnu.h
Copyright (C) 1987, 1992 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
* At this point I'm sure this file is right for i960 and I'm pretty sure it's
* right for a29k, although it hasn't been tested rigorously. Please feel free
* to add your own machine's description here. Without that info, it isn't
* possible to build cross development tools from elsewhere nor is it easy to
* continue to support your machines format.
*
* The TC_foo ifdef's are mine. They are what gas uses. The other ifdef's
* remain for documentation from other scavenged files. xoxorich.
*/
/********************** FILE HEADER **********************/
struct filehdr {
unsigned short f_magic; /* magic number */
unsigned short f_nscns; /* number of sections */
long f_timdat; /* time & date stamp */
long f_symptr; /* file pointer to symtab */
long f_nsyms; /* number of symtab entries */
unsigned short f_opthdr; /* sizeof(optional hdr) */
unsigned short f_flags; /* flags */
};
/* Bits for f_flags:
* F_RELFLG relocation info stripped from file
* F_EXEC file is executable (no unresolved externel references)
* F_LNNO line nunbers stripped from file
* F_LSYMS local symbols stripped from file
* F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax)
*/
#define F_RELFLG (0x0001)
#define F_EXEC (0x0002)
#define F_LNNO (0x0004)
#define F_LSYMS (0x0008)
#ifdef TC_I960
#define F_AR32WR (0x0010) /* File has 32 bits per word, least
significant byte first. */
#else /* TC_I960 */
#define F_AR32WR (0x0100)
#endif /* TC_I960 */
#define F_MINMAL (0x0010) /* ??? */
#define F_UPDATE (0x0020) /* ??? */
#define F_SWABD (0x0040) /* ??? */
#define F_AR16WR (0x0080) /* File has the byte ordering used by
the PDP*-11/70 processor. */
#define F_AR32W (0x0200) /* File has 32 bits per word, most
significant byte first. */
/*
* Intel 80960 (I960) processor flags.
* F_I960TYPE == mask for processor type field.
*/
#define F_I960TYPE (0xf000)
#define F_I960CORE (0x1000)
#define F_I960KB (0x2000)
#define F_I960SB (0x2000)
#define F_I960MC (0x3000)
#define F_I960XA (0x4000)
#define F_I960CA (0x5000)
#define F_I960KA (0x6000)
#define F_I960SA (0x6000)
/*
* i80960 Magic Numbers
*/
#define I960ROMAGIC (0x160) /* read-only text segments */
#define I960RWMAGIC (0x161) /* read-write text segments */
#define I960BADMAG(x) (((x).f_magic != I960ROMAGIC) && ((x).f_magic != I960RWMAGIC))
#define SIPFBOMAGIC (0x17a) /* Am29000 (Byte 0 is MSB - Big Endian) */
#define SIPRBOMAGIC (0x17b) /* Am29000 (Byte 0 is LSB - Little Endian) */
#define A29KBADMAG(x) (((x).f_magic != SIPFBOMAGIC) && ((x).f_magic != SIPRBOMAGIC))
#ifdef TE_I386AIX
# define I386MAGIC (0x175) /* Danbury AIX C compiler */
# define I386SVMAGIC (0x14c) /* System V C Compiler */
# define I386BADMAG(x) (((x).f_magic!=I386MAGIC) && \
((x).f_magic!=I386SVMAGIC))
#else /* not TE_I386AIX */
# define I386MAGIC 0x14c
# define I386BADMAG(x) (((x).f_magic!=I386MAGIC))
#endif /* not TE_I386AIX */
#define FILHDR struct filehdr
#define FILHSZ sizeof(FILHDR)
/********************** AOUT "OPTIONAL HEADER" **********************/
typedef struct {
unsigned long phys_addr;
unsigned long bitarray;
} TAGBITS;
/* These appear to be used only by exec(2). I don't know who cares
about them in a cross development environment. In any case, this
is my collection after researching the issue for a few hours.
Apparently, most have these have remained essentially unchanged
since v7 days, although a few new ones have been added. xoxorich. */
#define BAD0MAGIC (0401) /* (?) "lpd (UNIX/RT)" */
#define BAD1MAGIC (0405) /* (?) overlay */
#define OMAGIC (0407) /* old impure format. data immediately
follows text. both sections are rw. */
#define NMAGIC (0410) /* split i&d, read-only text */
#define A_MAGIC3 (0411) /* (?) "separated I&D" */
#define ZMAGIC (0413) /* like NMAGIC, but demand loaded */
#define PAGEMAGIC2 (0414) /* (?) like ZMAGIC, but address zero
explicitly unmapped. */
#define REGMAGIC (0414) /* (?) a PAGEMAGIC2 alias? */
#define PAGEMAGIC3 (0415) /* (?) like ZMAGIC, but address zero mapped. */
#define A_MAGIC5 (0437) /* (?) "system overlay, separated I&D" */
/* intended for non-unix cross development */
#define SASMAGIC (010000) /* Single Address Space */
#define MASMAGIC (020000) /* (?) "Multiple (separate I & D) Address Spaces" */
typedef struct aouthdr {
short magic; /* type of file */
short vstamp; /* version stamp */
unsigned long tsize; /* text size in bytes, padded to FW bdry*/
unsigned long dsize; /* initialized data " " */
unsigned long bsize; /* uninitialized data " " */
#if U3B
unsigned long dum1;
unsigned long dum2; /* pad to entry point */
#endif
unsigned long entry; /* entry pt. */
unsigned long text_start; /* base of text used for this file */
unsigned long data_start; /* base of data used for this file */
/* CAREFUL: some formats omit the tagentries member. */
unsigned long tagentries; /* number of tag entries to
follow (always zero for i960) */
} AOUTHDR;
/* return a pointer to the tag bits array */
#define TAGPTR(aout) ((TAGBITS *) (&(aout.tagentries)+1))
/* compute size of a header */
/*#define AOUTSZ(aout) (sizeof(AOUTHDR)+(aout.tagentries*sizeof(TAGBITS)))*/
#define AOUTSZ (sizeof(AOUTHDR))
/********************** STORAGE CLASSES **********************/
#define C_EFCN -1 /* physical end of function */
#define C_NULL 0
#define C_AUTO 1 /* automatic variable */
#define C_EXT 2 /* external symbol */
#define C_STAT 3 /* static */
#define C_REG 4 /* register variable */
#define C_EXTDEF 5 /* external definition */
#define C_LABEL 6 /* label */
#define C_ULABEL 7 /* undefined label */
#define C_MOS 8 /* member of structure */
#define C_ARG 9 /* function argument */
#define C_STRTAG 10 /* structure tag */
#define C_MOU 11 /* member of union */
#define C_UNTAG 12 /* union tag */
#define C_TPDEF 13 /* type definition */
#define C_USTATIC 14 /* undefined static */
#define C_ENTAG 15 /* enumeration tag */
#define C_MOE 16 /* member of enumeration */
#define C_REGPARM 17 /* register parameter */
#define C_FIELD 18 /* bit field */
#ifdef TC_I960
#define C_AUTOARG 19 /* auto argument */
#define C_LASTENT 20 /* dummy entry (end of block) */
#endif /* TC_I960 */
#ifdef TC_A29K
#define C_GLBLREG 19 /* global register */
#define C_EXTREG 20 /* external global register */
#define C_DEFREG 21 /* ext. def. of global register */
#define C_STARTOF 22 /* as29 $SIZEOF and $STARTOF symbols */
#endif /* TC_A29K */
#define C_BLOCK 100 /* ".bb" or ".eb" */
#define C_FCN 101 /* ".bf" or ".ef" */
#define C_EOS 102 /* end of structure */
#define C_FILE 103 /* file name */
#define C_LINE 104 /* line # reformatted as symbol table entry */
#define C_ALIAS 105 /* duplicate tag */
#define C_HIDDEN 106 /* ext symbol in dmert public lib. like static,
used to avoid name conflicts. */
#ifdef TC_I960
/* New storage classes for 80960 */
#define C_SCALL 107 /* Procedure reachable via system call */
/* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
#define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
#define C_LEAFEXT 108
#define C_OPTVAR 109 /* Optimized variable */
#define C_DEFINE 110 /* Preprocessor #define */
#define C_PRAGMA 111 /* Advice to compiler or linker */
#define C_SEGMENT 112 /* 80960 segment name */
#define C_LEAFSTAT 113 /* Static leaf */
#endif /* TC_I960 */
#ifdef TC_A29K
#define C_SHADOW 107 /* shadow symbol */
#endif /* TC_A29K */
/********************** SECTION HEADER **********************/
struct scnhdr {
char s_name[8]; /* section name */
long s_paddr; /* physical address, aliased s_nlib */
long s_vaddr; /* virtual address */
long s_size; /* section size */
long s_scnptr; /* file ptr to raw data for section */
long s_relptr; /* file ptr to relocation */
long s_lnnoptr; /* file ptr to line numbers */
unsigned short s_nreloc; /* number of relocation entries */
unsigned short s_nlnno; /* number of line number entries */
long s_flags; /* flags */
#ifdef TC_I960
unsigned long s_align; /* section alignment */
#endif /* TC_I960 */
};
#define SCNHDR struct scnhdr
#define SCNHSZ sizeof(SCNHDR)
/*
* names of "special" sections
*/
#define _TEXT ".text" /* executable code section */
#define _DATA ".data" /* initialized data */
#define _BSS ".bss" /* un-initialized data */
#define _DEBUG ".debug" /* special section used by dbx */
#define _COMMENT ".comment" /* version info */
#define _LIB ".lib" /* shared lib info section */
#define _TV ".tv"
/*
* s_flags "type"
*/
/*
* In instances where it is necessary for a linker to
* produce an output file which contains text or data not
* based at virtual address 0, e.g. for a ROM, then the
* linker should accept address base information as command
* input and use PAD sections to skip over unused addresses.
* (at least for a29k. Maybe others.)
*/
#define STYP_REG (0x0000) /* "regular" section: allocated, relocated, loaded */
#define STYP_DSECT (0x0001) /* "dummy" section: not allocated, relocated, not loaded */
#define STYP_NOLOAD (0x0002) /* "noload" section: allocated, relocated, not loaded */
#define STYP_GROUP (0x0004) /* "grouped" section: formed of input sections */
#define STYP_PAD (0x0008) /* "padding" section: not allocated, not relocated, loaded */
#define STYP_COPY (0x0010) /* "copy" section: for decision function used by field update; not allocated, not relocated,
loaded; reloc & lineno entries processed normally */
#define STYP_TEXT (0x0020) /* section contains text only */
#define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
update all process invocations. */
#define STYP_DATA (0x0040) /* section contains data only */
#define STYP_BSS (0x0080) /* section contains bss only */
#define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
#define STYP_INFO (0x0200) /* comment section : not allocated not relocated, not loaded */
#define STYP_OVER (0x0400) /* overlay section : relocated not allocated or loaded */
#define STYP_LIB (0x0800) /* for .lib section : same as INFO */
#define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */
#define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions wherever padding is necessary and there is a
word of contiguous bytes beginning on a word boundary. */
#ifdef TC_A29K
/* NOTE: The use of STYP_BSSREG for relocation is not yet defined. */
#define STYP_BSSREG 0x1200 /* Global register area (like STYP_INFO) */
#define STYP_ENVIR 0x2200 /* Environment (like STYP_INFO) */
#define STYP_ABS 0x4000 /* Absolute (allocated, not reloc, loaded) */
#define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */
#endif /* TC_A29K */
/********************** LINE NUMBERS **********************/
/* 1 line number entry for every "breakpointable" source line in a section.
* Line numbers are grouped on a per function basis; first entry in a function
* grouping will have l_lnno = 0 and in place of physical address will be the
* symbol table index of the function name.
*/
struct lineno {
union {
long l_symndx; /* symbol index of function name, iff l_lnno == 0*/
long l_paddr; /* (physical) address of line number */
} l_addr;
unsigned short l_lnno; /* line number */
#ifdef TC_I960
/* not used on a29k */
char padding[2]; /* force alignment */
#endif /* TC_I960 */
};
#define LINENO struct lineno
#define LINESZ sizeof(LINENO)
/********************** SYMBOLS **********************/
#define SYMNMLEN 8 /* # characters in a symbol name */
#define FILNMLEN 14 /* # characters in a file name */
#define DIMNUM 4 /* # array dimensions in auxiliary entry */
struct syment {
union {
char _n_name[SYMNMLEN]; /* old COFF version */
struct {
long _n_zeroes; /* new == 0 */
long _n_offset; /* offset into string table */
} _n_n;
char *_n_nptr[2]; /* allows for overlaying */
} _n;
long n_value; /* value of symbol */
short n_scnum; /* section number */
#ifdef TC_I960
/* This isn't yet used on the i960. In some formats this
is two bytes of padding. In others, it is missing entirely. */
unsigned short n_flags; /* copy of flags from filhdr */
#endif /* TC_I960 */
#ifdef TC_A29K
unsigned short n_type; /* type and derived type */
#else /* TC_A29K */
/* at least i960 uses long */
unsigned long n_type; /* type and derived type */
#endif /* TC_A29K */
char n_sclass; /* storage class */
char n_numaux; /* number of aux. entries */
#ifndef TC_A29K
char pad2[2]; /* force alignment */
#endif /* TC_A29K */
};
#define SYMENT struct syment
#define SYMESZ sizeof(SYMENT) /* This had better also be sizeof(AUXENT) */
#define n_name _n._n_name
#define n_ptr _n._n_nptr[1]
#define n_zeroes _n._n_n._n_zeroes
#define n_offset _n._n_n._n_offset
/*
* Relocatable symbols have number of the section in which they are defined,
* or one of the following:
*/
#define N_SCNUM ((short) 1-65535) /* section num where symbol defined */
#define N_UNDEF ((short)0) /* undefined symbol */
#define N_ABS ((short)-1) /* value of symbol is absolute */
#define N_DEBUG ((short)-2) /* debugging symbol -- symbol value is meaningless */
#define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
#define P_TV ((short)-4) /* indicates symbol needs transfer vector (postload) */
/*
* Type of a symbol, in low 4 bits of the word
*/
#define T_NULL 0 /* type not assigned */
#define T_VOID 1 /* function argument (only used by compiler) (but now real void). */
#define T_CHAR 2 /* character */
#define T_SHORT 3 /* short integer */
#define T_INT 4 /* integer */
#define T_LONG 5 /* long integer */
#define T_FLOAT 6 /* floating point */
#define T_DOUBLE 7 /* double word */
#define T_STRUCT 8 /* structure */
#define T_UNION 9 /* union */
#define T_ENUM 10 /* enumeration */
#define T_MOE 11 /* member of enumeration */
#define T_UCHAR 12 /* unsigned character */
#define T_USHORT 13 /* unsigned short */
#define T_UINT 14 /* unsigned integer */
#define T_ULONG 15 /* unsigned long */
#ifdef TC_I960
#define T_LNGDBL 16 /* long double */
#endif /* TC_I960 */
/*
* derived types, in n_type
*/
#define DT_NON (0) /* no derived type */
#define DT_PTR (1) /* pointer */
#define DT_FCN (2) /* function */
#define DT_ARY (3) /* array */
#ifndef TC_I960
#define N_BTMASK (0x0f)
#define N_TMASK (0x30)
#define N_BTSHFT (4)
#define N_TSHIFT (2)
#else /* TC_I960 */
#define N_BTMASK (0x1f)
#define N_TMASK (0x60)
#define N_BTSHFT (5)
#define N_TSHIFT (2)
#endif /* TC_I960 */
#define BTYPE(x) ((x) & N_BTMASK)
#define ISPTR(x) (((x) & N_TMASK) == (DT_PTR << N_BTSHFT))
#define ISFCN(x) (((x) & N_TMASK) == (DT_FCN << N_BTSHFT))
#define ISARY(x) (((x) & N_TMASK) == (DT_ARY << N_BTSHFT))
#define DECREF(x) ((((x)>>N_TSHIFT)&~N_BTMASK)|((x)&N_BTMASK))
union auxent {
struct {
long x_tagndx; /* str, un, or enum tag indx */
union {
struct {
unsigned short x_lnno; /* declaration line number */
unsigned short x_size; /* str/union/array size */
} x_lnsz;
long x_fsize; /* size of function */
} x_misc;
union {
struct { /* if ISFCN, tag, or .bb */
long x_lnnoptr; /* ptr to fcn line # */
long x_endndx; /* entry ndx past block end */
} x_fcn;
struct { /* if ISARY, up to 4 dimen. */
unsigned short x_dimen[DIMNUM];
} x_ary;
} x_fcnary;
unsigned short x_tvndx; /* tv index */
} x_sym;
/* This was just a struct x_file with x_fname only in a29k. xoxorich. */
union {
char x_fname[FILNMLEN];
struct {
long x_zeroes;
long x_offset;
} x_n;
} x_file;
struct {
long x_scnlen; /* section length */
unsigned short x_nreloc; /* # relocation entries */
unsigned short x_nlinno; /* # line numbers */
} x_scn;
struct {
long x_tvfill; /* tv fill value */
unsigned short x_tvlen; /* length of .tv */
/* This field was typo'd x_tvrna on a29k. xoxorich. */
unsigned short x_tvran[2]; /* tv range */
} x_tv; /* info about .tv section (in auxent of symbol .tv)) */
#ifdef TC_I960
/******************************************
* I960-specific *2nd* aux. entry formats
******************************************/
struct {
/* This is a very old typo that keeps getting propogated. */
#define x_stdindx x_stindx
long x_stindx; /* sys. table entry */
} x_sc; /* system call entry */
struct {
unsigned long x_balntry; /* BAL entry point */
} x_bal; /* BAL-callable function */
struct {
unsigned long x_timestamp; /* time stamp */
char x_idstring[20]; /* producer identity string */
} x_ident; /* Producer ident info */
char a[sizeof(struct syment)]; /* force auxent/syment sizes to match */
#endif /* TC_I960 */
};
#define AUXENT union auxent
#define AUXESZ sizeof(AUXENT) /* This had better also be sizeof(SYMENT) */
#if VAX || I960
# define _ETEXT "_etext"
#else
# define _ETEXT "etext"
#endif
/********************** RELOCATION DIRECTIVES **********************/
struct reloc {
long r_vaddr; /* Virtual address of reference */
long r_symndx; /* Index into symbol table */
unsigned short r_type; /* Relocation type */
#ifdef TC_I960
/* not used for a29k */
char pad[2]; /* Unused */
#endif /* TC_I960 */
};
#define RELOC struct reloc
#define RELSZ sizeof(RELOC)
#define R_ABS (0x00) /* reference is absolute */
#ifdef TC_I960
#define R_RELLONG (0x11) /* Direct 32-bit relocation */
#define R_IPRSHORT (0x18)
#define R_IPRMED (0x19) /* 24-bit ip-relative relocation */
#define R_IPRLONG (0x1a)
#define R_OPTCALL (0x1b) /* 32-bit optimizable call (leafproc/sysproc) */
#define R_OPTCALLX (0x1c) /* 64-bit optimizable call (leafproc/sysproc) */
#define R_GETSEG (0x1d)
#define R_GETPA (0x1e)
#define R_TAGWORD (0x1f)
#endif /* TC_I960 */
#ifdef TC_A29K
/*
* NOTE: All the "I" forms refer to Am29000 instruction
* formats. The linker is expected to know how the numeric
* information is split and/or aligned within the
* instruction word(s). R_BYTE works for instructions, too.
*
* If the parameter to a CONSTH instruction is a relocatable
* type, two relocation records are written. The first has
* an r_type of R_IHIHALF (33 octal) and a normal r_vaddr
* and r_symndx. The second relocation record has an r_type
* of R_IHCONST (34 octal), a normal r_vaddr (which is
* redundant), and an r_symndx containing the 32-bit
* constant offset to the relocation instead of the actual
* symbol table index. This second record is always
* written, even if the constant offset is zero. The
* constant fields of the instruction are set to zero.
*/
#define R_IREL (0x18) /* instruction relative (jmp/call) */
#define R_IABS (0x19) /* instruction absolute (jmp/call) */
#define R_ILOHALF (0x1a) /* instruction low half (const) */
#define R_IHIHALF (0x1b) /* instruction high half (consth) part 1 */
#define R_IHCONST (0x1c) /* instruction high half (consth) part 2
constant offset of R_IHIHALF relocation */
#define R_BYTE (0x1d) /* relocatable byte value */
#define R_HWORD (0x1e) /* relocatable halfword value */
#define R_WORD (0x1f) /* relocatable word value */
#define R_IGLBLRC (0x20) /* instruction global register RC */
#define R_IGLBLRA (0x21) /* instruction global register RA */
#define R_IGLBLRB (0x22) /* instruction global register RB */
#endif /* TC_A29K */
#define DEFAULT_DATA_SECTION_ALIGNMENT 4
#define DEFAULT_BSS_SECTION_ALIGNMENT 4
#define DEFAULT_TEXT_SECTION_ALIGNMENT 16
/* For new sections we haven't heard of before */
#define DEFAULT_SECTION_ALIGNMENT 4
#if defined(TC_I386)
/*
* X86 generic
* 8-bit offset reference in 8-bits
* 8-bit offset reference in 16-bits
* 12-bit segment reference
* auxiliary relocation entry
*/
#define R_OFF8 07
#define R_OFF16 010
#define R_SEG12 011
#define R_AUX 013
/*
* B16 and X86 generics
* 16-bit direct reference
* 16-bit "relative" reference
* 16-bit "indirect" (TV) reference
*/
#define R_DIR16 01
#define R_REL16 02
#define R_IND16 03
/*
* 3B generic
* 24-bit direct reference
* 24-bit "relative" reference
* 16-bit optimized "indirect" TV reference
* 24-bit "indirect" TV reference
* 32-bit "indirect" TV reference
*/
#define R_DIR24 04
#define R_REL24 05
#define R_OPT16 014
#define R_IND24 015
#define R_IND32 016
/*
* XL generics
* 10-bit direct reference
* 10-bit "relative" reference
* 32-bit "relative" reference
*/
#define R_DIR10 025
#define R_REL10 026
#define R_REL32 027
/*
* 3B and M32 generics
* 32-bit direct reference
*/
#define R_DIR32 06
/*
* M32 generic
* 32-bit direct reference with bytes swapped
*/
#define R_DIR32S 012
#endif /* TC_I386 */
#if defined(TE_I386AIX)
#define UINFOSIZ 64 /* size of user info buffer */
typedef char uinfo_t[UINFOSIZ];
struct env387 {
unsigned short control;
unsigned short r0;
unsigned short status;
unsigned short r1;
unsigned short tag;
unsigned short r2;
unsigned long eip;
unsigned short code_seg;
unsigned short opcode;
unsigned long operand;
unsigned short operand_seg;
unsigned short r3;
unsigned char regs[8][10];
};
#define CD_NAMELEN 16 /* length of most names in this header */
#define CORHDRSIZ 2048 /* size to which header is padded out */
#define MAX_CORE_SEGS 32 /* maximum segments in a core dump */
#define NUM_FREGS 1 /* # of saved FP regs */
/*
* These are defined such that 286 and 386 kernels can produce
* compatible dumps.
*/
#define CD_AX 0
#define CD_BX 1
#define CD_CX 2
#define CD_DX 3
#define CD_SI 4
#define CD_DI 5
#define CD_BP 6
#define CD_SP 7
#define CD_FL 8
#define CD_IP 9
#define CD_CS 10
#define CD_DS 11
#define CD_ES 12
#define CD_FS 13
#define CD_GS 14
#define CD_SS 15
#define NUM_REGS 16
#ifndef SPATHLEN
# define SPATHLEN 16 /* sys/param.h */
#endif
#ifndef NSIG
# define NSIG 63 /* sys/signal.h */
# define SIGSETSZ ((NSIG+31)/32)
typedef struct ksigmask {
unsigned long sigs[SIGSETSZ];
} ksigmask_t;
#endif
struct corehdr {
char cd_magic[4]; /* COR_MAGIC = "core" */
/* general information about the dump itself */
struct dumpseg { /* table of contents for dump */
long cs_type; /* seg. type; see below */
long cs_len; /* length (in bytes) of segment */
long cs_offset; /* offset (in dump) of segment */
long cs_address; /* address segment had in mem */
} cd_segs[MAX_CORE_SEGS];
/* general information about the process */
char cd_comm[CD_NAMELEN]; /* command being run */
char cd_mach[CD_NAMELEN]; /* type of machine it ran on */
char cd_site[CD_NAMELEN]; /* name of site it ran on */
long cd_ldtype; /* type of load module running */
char cd_intsize; /* sizeof(int) */
char cd_dptrsize; /* sizeof(char *) */
char cd_tptrsize; /* sizeof(int (*)()) */
char cd_unused;
/* user-mode program state */
long cd_regs[NUM_REGS]; /* user-mode general registers */
struct env387 cd_fpregs; /* user-mode floating-point state */
/* kernel-mode program state */
int (*cd_sig[NSIG])(); /* disposition of signals */
ksigmask_t cd_sigmask; /* signals to be blocked */
ksigmask_t cd_sigpend; /* signals currently pending */
long cd_cursig; /* signal that caused the dump */
long cd_pid; /* process ID of the corpse */
long cd_ppid; /* parent process ID of corpse */
short cd_uid; /* process effective user ID */
short cd_ruid; /* process real user ID */
short cd_gid; /* process effective group ID */
short cd_rgid; /* process real group ID */
uinfo_t cd_uinfo; /* buffer of user information */
char cd_locname[32]; /* name of /local */
char cd_uvers[CD_NAMELEN]; /* user version string */
unsigned short cd_spath[SPATHLEN]; /* sitepath */
};
#ifndef NOCHECKS
/* this will generate an error if sizeof(struct corehdr) > CORHDRSIZ */
struct { char xxcdxx[CORHDRSIZ+1-sizeof(struct corehdr)]; };
#endif /* ! NOCHECKS */
/*
* segment types (in cs_type)
* each segment in the address space appears here, whether or not it
* is actually dumped. Read/only segments will not actually be dumped.
* A segment that is not in the dump will have a cs_offset of zero.
*/
#define COR_TYPE_CODE 'x' /* process code - NOT IN DUMP */
#define COR_TYPE_DATA 'd' /* process data segment */
#define COR_TYPE_STACK 's' /* process stack segment */
#define COR_TYPE_LIBCODE 'X' /* shared lib code - NOT IN DUMP*/
#define COR_TYPE_LIBDATA 'D' /* shared lib data */
#define COR_TYPE_READ 'r' /* other read/only - NOT IN DUMP*/
#define COR_TYPE_WRITE 'w' /* other writeable */
#define COR_TYPE_MSC '?' /* other, mapped in segment */
#endif /* TE_I386AIX */
/*
* Local Variables:
* comment-column: 0
* End:
*/
/* end of coff_gnu.h */