diff options
Diffstat (limited to 'include/coff/rs6000.h')
| -rw-r--r-- | include/coff/rs6000.h | 232 |
1 files changed, 81 insertions, 151 deletions
diff --git a/include/coff/rs6000.h b/include/coff/rs6000.h index 0def1d95d..afddc7657 100644 --- a/include/coff/rs6000.h +++ b/include/coff/rs6000.h @@ -1,5 +1,5 @@ /* IBM RS/6000 "XCOFF" file definitions for BFD. - Copyright (C) 1990, 1991 Free Software Foundation, Inc. + Copyright 1990, 1991, 1993, 1994, 1995 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 @@ -7,17 +7,10 @@ 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 */ -}; +#define DO_NOT_DEFINE_AOUTHDR +#define DO_NOT_DEFINE_AUXENT +#define L_LNNO_SIZE 2 +#include "coff/external.h" /* IBM RS/6000 */ #define U802WRMAGIC 0730 /* writeable text segments **chh** */ @@ -28,13 +21,8 @@ struct external_filehdr { ((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 */ @@ -70,35 +58,10 @@ AOUTHDR; #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" +/* More names of "special" sections. */ #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 @@ -109,130 +72,97 @@ struct external_scnhdr { 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 external_auxent { - 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; - + 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 { +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 |