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Diffstat (limited to 'arch/ppc/boot/include/rs6000.h')
-rw-r--r-- | arch/ppc/boot/include/rs6000.h | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/arch/ppc/boot/include/rs6000.h b/arch/ppc/boot/include/rs6000.h deleted file mode 100644 index 433f450..0000000 --- a/arch/ppc/boot/include/rs6000.h +++ /dev/null @@ -1,243 +0,0 @@ -/* IBM RS/6000 "XCOFF" file definitions for BFD. - Copyright (C) 1990, 1991 Free Software Foundation, Inc. - FIXME: Can someone provide a transliteration of this name into ASCII? - Using the following chars caused a compiler warning on HIUX (so I replaced - them with octal escapes), and isn't useful without an understanding of what - character set it is. - Written by Mimi Ph\373\364ng-Th\345o V\365 of IBM - and John Gilmore of Cygnus Support. */ - -/********************** 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 */ -}; - - /* IBM RS/6000 */ -#define U802WRMAGIC 0730 /* writeable text segments **chh** */ -#define U802ROMAGIC 0735 /* readonly sharable text segments */ -#define U802TOCMAGIC 0737 /* readonly text segments and TOC */ - -#define BADMAG(x) \ - ((x).f_magic != U802ROMAGIC && (x).f_magic != U802WRMAGIC && \ - (x).f_magic != U802TOCMAGIC) - -#define FILHDR struct external_filehdr -#define FILHSZ 20 - - -/********************** AOUT "OPTIONAL HEADER" **********************/ - - -typedef struct -{ - unsigned char magic[2]; /* type of file */ - unsigned char vstamp[2]; /* version stamp */ - unsigned char tsize[4]; /* text size in bytes, padded to FW bdry */ - unsigned char dsize[4]; /* initialized data " " */ - unsigned char bsize[4]; /* uninitialized data " " */ - unsigned char entry[4]; /* entry pt. */ - unsigned char text_start[4]; /* base of text used for this file */ - unsigned char data_start[4]; /* base of data used for this file */ - unsigned char o_toc[4]; /* address of TOC */ - unsigned char o_snentry[2]; /* section number of entry point */ - unsigned char o_sntext[2]; /* section number of .text section */ - unsigned char o_sndata[2]; /* section number of .data section */ - unsigned char o_sntoc[2]; /* section number of TOC */ - unsigned char o_snloader[2]; /* section number of .loader section */ - unsigned char o_snbss[2]; /* section number of .bss section */ - unsigned char o_algntext[2]; /* .text alignment */ - unsigned char o_algndata[2]; /* .data alignment */ - unsigned char o_modtype[2]; /* module type (??) */ - unsigned char o_cputype[2]; /* cpu type */ - unsigned char o_maxstack[4]; /* max stack size (??) */ - unsigned char o_maxdata[4]; /* max data size (??) */ - unsigned char o_resv2[12]; /* reserved */ -} -AOUTHDR; - -#define AOUTSZ 72 -#define SMALL_AOUTSZ (28) -#define AOUTHDRSZ 72 - -#define RS6K_AOUTHDR_OMAGIC 0x0107 /* old: text & data writeable */ -#define RS6K_AOUTHDR_NMAGIC 0x0108 /* new: text r/o, data r/w */ -#define RS6K_AOUTHDR_ZMAGIC 0x010B /* paged: text r/o, both page-aligned */ - - -/********************** 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 */ -}; - -/* - * names of "special" sections - */ -#define _TEXT ".text" -#define _DATA ".data" -#define _BSS ".bss" -#define _PAD ".pad" -#define _LOADER ".loader" - -#define SCNHDR struct external_scnhdr -#define SCNHSZ 40 - -/* XCOFF uses a special .loader section with type STYP_LOADER. */ -#define STYP_LOADER 0x1000 - -/* XCOFF uses a special .debug section with type STYP_DEBUG. */ -#define STYP_DEBUG 0x2000 - -/* XCOFF handles line number or relocation overflow by creating - another section header with STYP_OVRFLO set. */ -#define STYP_OVRFLO 0x8000 - -/********************** 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 */ -}; - - -#define LINENO struct external_lineno -#define LINESZ 6 - - -/********************** 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_type[2]; - char e_sclass[1]; - char e_numaux[1]; -}; - - - -#define N_BTMASK (017) -#define N_TMASK (060) -#define N_BTSHFT (4) -#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)) */ - - struct { - unsigned char x_scnlen[4]; - unsigned char x_parmhash[4]; - unsigned char x_snhash[2]; - unsigned char x_smtyp[1]; - unsigned char x_smclas[1]; - unsigned char x_stab[4]; - unsigned char x_snstab[2]; - } x_csect; - -}; - -#define SYMENT struct external_syment -#define SYMESZ 18 -#define AUXENT union external_auxent -#define AUXESZ 18 -#define DBXMASK 0x80 /* for dbx storage mask */ -#define SYMNAME_IN_DEBUG(symptr) ((symptr)->n_sclass & DBXMASK) - - - -/********************** RELOCATION DIRECTIVES **********************/ - - -struct external_reloc { - char r_vaddr[4]; - char r_symndx[4]; - char r_size[1]; - char r_type[1]; -}; - - -#define RELOC struct external_reloc -#define RELSZ 10 - -#define DEFAULT_DATA_SECTION_ALIGNMENT 4 -#define DEFAULT_BSS_SECTION_ALIGNMENT 4 -#define DEFAULT_TEXT_SECTION_ALIGNMENT 4 -/* For new sections we havn't heard of before */ -#define DEFAULT_SECTION_ALIGNMENT 4 |