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Diffstat (limited to 'include/coff/a29k.h')
| -rw-r--r-- | include/coff/a29k.h | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/include/coff/a29k.h b/include/coff/a29k.h deleted file mode 100644 index 8c3a646ca23..00000000000 --- a/include/coff/a29k.h +++ /dev/null @@ -1,305 +0,0 @@ -/* COFF spec for AMD 290*0 - Contributed by David Wood @ New York University. - */ - -#ifndef AMD -# define AMD -#endif - -/****************************************************************/ - -/* -** File Header and related definitions -*/ - -struct external_filehdr -{ - char f_magic[2]; /* magic number */ - char f_nscns[2]; /* number of sections */ - char f_timdat[4]; /* time & date stamp */ - char f_symptr[4]; /* file pointer to symtab */ - char f_nsyms[4]; /* number of symtab entries */ - char f_opthdr[2]; /* sizeof(optional hdr) */ - char f_flags[2]; /* flags */ -}; - -#define FILHDR struct external_filehdr -#define FILHSZ 20 - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** Magic numbers for Am29000 -** (AT&T will assign the "real" magic number) -*/ - -#define SIPFBOMAGIC 0572 /* Am29000 (Byte 0 is MSB) */ -#define SIPRBOMAGIC 0573 /* Am29000 (Byte 0 is LSB) */ - - -#define A29K_MAGIC_BIG SIPFBOMAGIC -#define A29K_MAGIC_LITTLE SIPRBOMAGIC -#define A29KBADMAG(x) (((x).f_magic!=A29K_MAGIC_BIG) && \ - ((x).f_magic!=A29K_MAGIC_LITTLE)) - -#define OMAGIC A29K_MAGIC_BIG -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** File header flags currently known to us. -** -** Am29000 will use the F_AR32WR and F_AR32W flags to indicate -** the byte ordering in the file. -*/ - -/*--------------------------------------------------------------*/ - -/* -** Optional (a.out) header -*/ - -typedef struct external_aouthdr -{ - char magic[2]; /* type of file */ - char vstamp[2]; /* version stamp */ - char tsize[4]; /* text size in bytes, padded to FW bdry*/ - char dsize[4]; /* initialized data " " */ - char bsize[4]; /* uninitialized data " " */ - char entry[4]; /* entry pt. */ - char text_start[4]; /* base of text used for this file */ - char data_start[4]; /* base of data used for this file */ -} AOUTHDR; - -#define AOUTSZ 28 -#define AOUTHDRSZ 28 - -/* aouthdr magic numbers */ -#define NMAGIC 0410 /* separate i/d executable */ -#define SHMAGIC 0406 /* NYU/Ultra3 shared data executable - (writable text) */ - -#define _ETEXT "_etext" - -/*--------------------------------------------------------------*/ - -/* -** Section header and related definitions -*/ - -struct external_scnhdr -{ - char s_name[8]; /* section name */ - char s_paddr[4]; /* physical address, aliased s_nlib */ - char s_vaddr[4]; /* virtual address */ - char s_size[4]; /* section size */ - char s_scnptr[4]; /* file ptr to raw data for section */ - char s_relptr[4]; /* file ptr to relocation */ - char s_lnnoptr[4]; /* file ptr to line numbers */ - char s_nreloc[2]; /* number of relocation entries */ - char s_nlnno[2]; /* number of line number entries*/ - char s_flags[4]; /* flags */ -}; - -#define SCNHDR struct external_scnhdr -#define SCNHSZ 40 - -/* - * names of "special" sections - */ -#define _TEXT ".text" -#define _DATA ".data" -#define _BSS ".bss" -#define _LIT ".lit" - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** Section types - with additional section type for global -** registers which will be relocatable for the Am29000. -** -** 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. -*/ - -#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) */ - -/*--------------------------------------------------------------*/ - -/* -** Relocation information declaration and related definitions -*/ - -struct external_reloc { - char r_vaddr[4]; /* (virtual) address of reference */ - char r_symndx[4]; /* index into symbol table */ - char r_type[2]; /* relocation type */ -}; - -#define RELOC struct external_reloc -#define RELSZ 10 /* sizeof (RELOC) */ - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** Relocation types for the Am29000 -*/ - -#define R_ABS 0 /* reference is absolute */ - -#define R_IREL 030 /* instruction relative (jmp/call) */ -#define R_IABS 031 /* instruction absolute (jmp/call) */ -#define R_ILOHALF 032 /* instruction low half (const) */ -#define R_IHIHALF 033 /* instruction high half (consth) part 1 */ -#define R_IHCONST 034 /* instruction high half (consth) part 2 */ - /* constant offset of R_IHIHALF relocation */ -#define R_BYTE 035 /* relocatable byte value */ -#define R_HWORD 036 /* relocatable halfword value */ -#define R_WORD 037 /* relocatable word value */ - -#define R_IGLBLRC 040 /* instruction global register RC */ -#define R_IGLBLRA 041 /* instruction global register RA */ -#define R_IGLBLRB 042 /* instruction global register RB */ - -/* -NOTE: -All the "I" forms refer to 29000 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. -*/ - -/*--------------------------------------------------------------*/ - -/* -** Line number entry declaration and related definitions -*/ - -struct external_lineno -{ - union { - char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/ - char l_paddr[4]; /* (physical) address of line number */ - } l_addr; - char l_lnno[2]; /* line number */ -}; - -#define LINENO struct external_lineno -#define LINESZ 6 /* sizeof (LINENO) */ - -/*--------------------------------------------------------------*/ - -/* -** Symbol entry declaration and related definitions -*/ - -#define E_SYMNMLEN 8 /* Number of characters in a symbol name */ - -struct external_syment -{ - union { - char e_name[E_SYMNMLEN]; - struct { - char e_zeroes[4]; - char e_offset[4]; - } e; - } e; - char e_value[4]; - char e_scnum[2]; - char e_type[2]; - char e_sclass[1]; - char e_numaux[1]; -}; - -#define SYMENT struct external_syment -#define SYMESZ 18 - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** Storage class definitions - new classes for global registers. -*/ - -#define C_GLBLREG 19 /* global register */ -#define C_EXTREG 20 /* external global register */ -#define C_DEFREG 21 /* ext. def. of global register */ - - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** Derived symbol mask/shifts. -*/ - -#define N_BTMASK (0xf) -#define N_BTSHFT (4) -#define N_TMASK (0x30) -#define N_TSHIFT (2) - -/*--------------------------------------------------------------*/ - -/* -** Auxiliary symbol table entry declaration and related -** definitions. -*/ - -#define E_FILNMLEN 14 /* # characters in a file name */ -#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ - -union external_auxent { - struct { - char x_tagndx[4]; /* str, un, or enum tag indx */ - union { - struct { - char x_lnno[2]; /* declaration line number */ - char x_size[2]; /* str/union/array size */ - } x_lnsz; - char x_fsize[4]; /* size of function */ - } x_misc; - union { - struct { /* if ISFCN, tag, or .bb */ - char x_lnnoptr[4]; /* ptr to fcn line # */ - char x_endndx[4]; /* entry ndx past block end */ - } x_fcn; - struct { /* if ISARY, up to 4 dimen. */ - char x_dimen[E_DIMNUM][2]; - } x_ary; - } x_fcnary; - char x_tvndx[2]; /* tv index */ - } x_sym; - - union { - char x_fname[E_FILNMLEN]; - struct { - char x_zeroes[4]; - char x_offset[4]; - } x_n; - } x_file; - - struct { - char x_scnlen[4]; /* section length */ - char x_nreloc[2]; /* # relocation entries */ - char x_nlinno[2]; /* # line numbers */ - } x_scn; - - struct { - char x_tvfill[4]; /* tv fill value */ - char x_tvlen[2]; /* length of .tv */ - char x_tvran[2][2]; /* tv range */ - } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ -}; - -#define AUXENT union external_auxent -#define AUXESZ 18 |