From 3769ca4ce85b7fc4461b6273c42f5f083747133a Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Mon, 5 Feb 1996 23:35:09 +0000 Subject: [PATCH] * i960.h (F_I960HX): Define. --- include/coff/ChangeLog | 4 + include/coff/i960.h | 253 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 257 insertions(+) create mode 100644 include/coff/i960.h diff --git a/include/coff/ChangeLog b/include/coff/ChangeLog index 00233fdd8b5..f2766fa475f 100644 --- a/include/coff/ChangeLog +++ b/include/coff/ChangeLog @@ -1,3 +1,7 @@ +Mon Feb 5 18:35:00 1996 Ian Lance Taylor + + * i960.h (F_I960HX): Define. + Wed Jan 31 13:11:54 1996 Richard Henderson * aux.h: New file. diff --git a/include/coff/i960.h b/include/coff/i960.h new file mode 100644 index 00000000000..f941be0c70f --- /dev/null +++ b/include/coff/i960.h @@ -0,0 +1,253 @@ +/*** coff information for 80960. Origins: Intel corp, natch. */ + +/* NOTE: Tagentries (cf TAGBITS) are no longer used by the 960 */ + +/********************** FILE HEADER **********************/ + +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 OMAGIC (0407) /* old impure format. data immediately + follows text. both sections are rw. */ +#define NMAGIC (0410) /* split i&d, read-only text */ + +/* +* 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) +/* start-sanitize-i960xl */ +#define F_I960XL (0x7000) +/* end-sanitize-i960xl */ +#define F_I960HX (0x8000) + + +/** 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 FILHDR struct external_filehdr +#define FILHSZ 20 + +/********************** AOUT "OPTIONAL HEADER" **********************/ + +typedef struct { + unsigned long phys_addr; + unsigned long bitarray; +} TAGBITS; + + + +typedef struct +{ + 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 */ + char tagentries[4]; /* number of tag entries to follow */ +} +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)) + + + +/********************** SECTION HEADER **********************/ + + +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 */ + char s_align[4]; /* section alignment */ +}; + + +#define SCNHDR struct external_scnhdr +#define SCNHSZ sizeof(SCNHDR) + +/* + * names of "special" sections + */ +#define _TEXT ".text" +#define _DATA ".data" +#define _BSS ".bss" + +/********************** 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 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 */ + char padding[2]; /* force alignment */ +}; + + +#define LINENO struct external_lineno +#define LINESZ 8 + + +/********************** SYMBOLS **********************/ + +#define E_SYMNMLEN 8 /* # characters in a symbol name */ +#define E_FILNMLEN 14 /* # characters in a file name */ +#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ + +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_flags[2]; + char e_type[4]; + char e_sclass[1]; + char e_numaux[1]; + char pad2[2]; +}; + + + + +#define N_BTMASK (0x1f) +#define N_TMASK (0x60) +#define N_BTSHFT (5) +#define N_TSHIFT (2) + +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)) */ + + /****************************************** + * I960-specific *2nd* aux. entry formats + ******************************************/ + struct { + /* This is a very old typo that keeps getting propagated. */ +#define x_stdindx x_stindx + char x_stindx[4]; /* sys. table entry */ + } x_sc; /* system call entry */ + + struct { + char x_balntry[4]; /* BAL entry point */ + } x_bal; /* BAL-callable function */ + + struct { + char x_timestamp[4]; /* time stamp */ + char x_idstring[20]; /* producer identity string */ + } x_ident; /* Producer ident info */ + +}; + + + +#define SYMENT struct external_syment +#define SYMESZ sizeof(SYMENT) /* FIXME - calc by hand */ +#define AUXENT union external_auxent +#define AUXESZ sizeof(AUXENT) /* FIXME - calc by hand */ + +# define _ETEXT "_etext" + +/********************** RELOCATION DIRECTIVES **********************/ + +struct external_reloc { + char r_vaddr[4]; + char r_symndx[4]; + char r_type[2]; + char pad[2]; +}; + + +/* Relevent values for r_type and i960. Would someone please document them */ + + +#define RELOC struct external_reloc +#define RELSZ 12 + -- 2.30.2