/* 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
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** */
((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 */
#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
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
projects / deliverable / binutils-gdb.git / blobdiff