diff options
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/config/.Sanitize | 9 | ||||
| -rw-r--r-- | gas/config/aout_gnu.h | 431 | ||||
| -rw-r--r-- | gas/config/coff_gnu.h | 783 |
3 files changed, 1220 insertions, 3 deletions
diff --git a/gas/config/.Sanitize b/gas/config/.Sanitize index 096dbc6..34b5f0e 100644 --- a/gas/config/.Sanitize +++ b/gas/config/.Sanitize @@ -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 diff --git a/gas/config/aout_gnu.h b/gas/config/aout_gnu.h new file mode 100644 index 0000000..c7ebbb8 --- /dev/null +++ b/gas/config/aout_gnu.h @@ -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 */ diff --git a/gas/config/coff_gnu.h b/gas/config/coff_gnu.h new file mode 100644 index 0000000..7214847 --- /dev/null +++ b/gas/config/coff_gnu.h @@ -0,0 +1,783 @@ +/* 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 */ |