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-rw-r--r--include/coff/a29k.h305
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diff --git a/include/coff/a29k.h b/include/coff/a29k.h
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+++ b/include/coff/a29k.h
@@ -0,0 +1,305 @@
+/* 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