X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=include%2Fcoff%2Frs6000.h;h=17071c280adbb251b6115c8b8591b0f51da06f8e;hb=145667f8d991932165a70d7c1551620be44e4b4f;hp=b58fe8e3185349c3378a2a5518c5989212d0e4f0;hpb=fa803dc60f0bf01297674c41d001798e18ade4dc;p=binutils-gdb.git diff --git a/include/coff/rs6000.h b/include/coff/rs6000.h index b58fe8e3185..17071c280ad 100644 --- a/include/coff/rs6000.h +++ b/include/coff/rs6000.h @@ -1,11 +1,22 @@ /* 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. */ + Copyright (C) 1990-2022 Free Software Foundation, Inc. + Written by Mimi Phuong-Thao Vo of IBM + and John Gilmore of Cygnus Support. + + This program 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 3 of the License, or + (at your option) any later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ /********************** FILE HEADER **********************/ @@ -29,45 +40,48 @@ struct external_filehdr { (x).f_magic != U802TOCMAGIC) #define FILHDR struct external_filehdr -#define FILHSZ sizeof(FILHDR) +#define FILHSZ 20 /********************** AOUT "OPTIONAL HEADER" **********************/ -typedef struct +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_resv1[2]; /* reserved */ - unsigned char o_maxstack[4]; /* max stack size (??) */ - unsigned char o_maxdata[4]; /* max data size (??) */ - unsigned char o_resv2[12]; /* reserved */ + 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_debugger[4]; /* reserved */ + unsigned char o_textpsize[1]; /* text page size */ + unsigned char o_datapsize[1]; /* data page size */ + unsigned char o_stackpsize[1]; /* stack page size */ + unsigned char o_flags[1]; /* Flags and TLS alignment */ + unsigned char o_sntdata[2]; /* section number of .tdata section */ + unsigned char o_sntbss[2]; /* section number of .tbss section */ } AOUTHDR; -#define AOUTSZ (sizeof(AOUTHDR)) - -#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 */ - +#define AOUTSZ 72 +#define SMALL_AOUTSZ (28) +#define AOUTHDRSZ 72 /********************** SECTION HEADER **********************/ @@ -85,23 +99,8 @@ struct external_scnhdr { 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 sizeof(SCNHDR) - -/* 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 +#define SCNHSZ 40 /********************** LINE NUMBERS **********************/ @@ -120,7 +119,7 @@ struct external_lineno { #define LINENO struct external_lineno -#define LINESZ sizeof(LINENO) +#define LINESZ 6 /********************** SYMBOLS **********************/ @@ -154,61 +153,60 @@ struct external_syment 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; + struct { + char x_pad1[2]; + char x_lnno[4]; /* Source line number */ + char x_pad[12]; + } x_sym; + + struct { + char x_exptr[4]; + char x_fsize[4]; + char x_lnnoptr[4]; + char x_endndx[4]; + char x_pad[1]; + } x_fcn; + + struct { + union { + char x_fname[E_FILNMLEN]; + struct { + char x_zeroes[4]; + char x_offset[4]; + } x_n; + } x_n; + char x_ftype[1]; + char x_resv[3]; + } x_file; + + struct { + char x_scnlen[4]; /* section length */ + char x_nreloc[2]; /* # relocation entries */ + char x_nlinno[2]; /* # line numbers */ + char x_pad[10]; + } x_scn; + + struct { + char x_scnlen[4]; + char x_parmhash[4]; + char x_snhash[2]; + char x_smtyp[1]; + char x_smclas[1]; + char x_stab[4]; + char x_snstab[2]; + } x_csect; + + struct { + char x_scnlen[4]; + char x_pad1[4]; + char x_nreloc[4]; + char x_pad2[6]; + } x_sect; }; #define SYMENT struct external_syment -#define SYMESZ 18 +#define SYMESZ 18 #define AUXENT union external_auxent #define AUXESZ 18 #define DBXMASK 0x80 /* for dbx storage mask */ @@ -235,3 +233,123 @@ struct external_reloc { #define DEFAULT_TEXT_SECTION_ALIGNMENT 4 /* For new sections we havn't heard of before */ #define DEFAULT_SECTION_ALIGNMENT 4 + +/* The ldhdr structure. This appears at the start of the .loader + section. */ + +struct external_ldhdr +{ + bfd_byte l_version[4]; + bfd_byte l_nsyms[4]; + bfd_byte l_nreloc[4]; + bfd_byte l_istlen[4]; + bfd_byte l_nimpid[4]; + bfd_byte l_impoff[4]; + bfd_byte l_stlen[4]; + bfd_byte l_stoff[4]; +}; + +#define LDHDRSZ (8 * 4) + +struct external_ldsym +{ + union + { + bfd_byte _l_name[E_SYMNMLEN]; + struct + { + bfd_byte _l_zeroes[4]; + bfd_byte _l_offset[4]; + } _l_l; + } _l; + bfd_byte l_value[4]; + bfd_byte l_scnum[2]; + bfd_byte l_smtype[1]; + bfd_byte l_smclas[1]; + bfd_byte l_ifile[4]; + bfd_byte l_parm[4]; +}; + +#define LDSYMSZ (8 + 3 * 4 + 2 + 2) + +struct external_ldrel +{ + bfd_byte l_vaddr[4]; + bfd_byte l_symndx[4]; + bfd_byte l_rtype[2]; + bfd_byte l_rsecnm[2]; +}; + +#define LDRELSZ (2 * 4 + 2 * 2) + +struct external_exceptab +{ + union { + bfd_byte e_symndx[4]; + bfd_byte e_paddr[4]; + } e_addr; + bfd_byte e_lang[1]; + bfd_byte e_reason[1]; +}; + +#define EXCEPTSZ (4 + 2) + +/******************** Core files *************************/ + +struct external_core_dumpx +{ + unsigned char c_signo[1]; + unsigned char c_flag[1]; + unsigned char c_entries[2]; + + unsigned char c_version[4]; + + unsigned char c_fdsinfox[8]; + unsigned char c_loader[8]; + unsigned char c_lsize[8]; + + unsigned char c_n_thr[4]; + unsigned char c_reserved0[4]; + unsigned char c_thr[8]; + + unsigned char c_segs[8]; + unsigned char c_segregion[8]; + + unsigned char c_stack[8]; + unsigned char c_stackorg[8]; + unsigned char c_size[8]; + + unsigned char c_data[8]; + unsigned char c_dataorg[8]; + unsigned char c_datasize[8]; + unsigned char c_sdorg[8]; + unsigned char c_sdsize[8]; + + unsigned char c_vmmregions[8]; + unsigned char c_vmm[8]; + + unsigned char c_impl[4]; + unsigned char c_pad[4]; + unsigned char c_cprs[8]; + unsigned char c_reserved[7 * 8]; + + /* Followed by: + - context of the faulting thread. + - user structure. */ +}; + + +/* Core file verion. */ +#define CORE_DUMPX_VERSION 0x0feeddb1 +#define CORE_DUMPXX_VERSION 0x0feeddb2 + +struct external_ld_info32 +{ + unsigned char ldinfo_next[4]; + unsigned char core_offset[4]; + unsigned char ldinfo_textorg[4]; + unsigned char ldinfo_textsize[4]; + unsigned char ldinfo_dataorg[4]; + unsigned char ldinfo_datasize[4]; + unsigned char ldinfo_filename[2]; +};