/* 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 **********************/
/********************** 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_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 */
+ 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 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 **********************/
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.
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 */
#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];
+};