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authorNick Clifton <nickc@redhat.com>2002-03-18 12:46:27 +0000
committerNick Clifton <nickc@redhat.com>2002-03-18 12:46:27 +0000
commiteb1e0e807ac769f624181bc44acdcd79d866949d (patch)
treeddd5259b49eb8431b5e2bd8f9f84e6ea7b0e5cc3 /include/coff
parenta1c259a138165fa878430144c8658093d6ac2256 (diff)
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Add AIX 64 shared library support and emulation layer for binutils
Diffstat (limited to 'include/coff')
-rw-r--r--include/coff/ChangeLog4
-rw-r--r--include/coff/rs6k64.h109
2 files changed, 55 insertions, 58 deletions
diff --git a/include/coff/ChangeLog b/include/coff/ChangeLog
index 79e8e18..23b0627 100644
--- a/include/coff/ChangeLog
+++ b/include/coff/ChangeLog
@@ -1,3 +1,7 @@
+2002-03-18 Tom Rix <trix@redhat.com>
+
+ * rs6k64.h: Add U64_TOCMAGIC, AIX 5 64 bit magic number.
+
2002-02-01 Tom Rix <trix@redhat.com>
* xcoff.h: Conditionally support <aiaff> for pre AIX 4.3.
diff --git a/include/coff/rs6k64.h b/include/coff/rs6k64.h
index c9dd29f..47d0802 100644
--- a/include/coff/rs6k64.h
+++ b/include/coff/rs6k64.h
@@ -1,5 +1,5 @@
/* IBM RS/6000 "XCOFF64" file definitions for BFD.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002 Free Software Foundation, Inc.
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
@@ -13,40 +13,39 @@
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/********************** 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[8];/* file pointer to symtab */
- char f_opthdr[2]; /* sizeof(optional hdr) */
- char f_flags[2]; /* flags */
- char f_nsyms[4]; /* number of symtab entries */
+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[8]; /* file pointer to symtab */
+ char f_opthdr[2]; /* sizeof(optional hdr) */
+ char f_flags[2]; /* flags */
+ char f_nsyms[4]; /* number of symtab entries */
};
- /* IBM RS/6000 */
-#define U803XTOCMAGIC 0757 /* readonly text segments and TOC, XCOFF64 */
-
-#define BADMAG(x) ((x).f_magic != U803XTOCMAGIC)
+/* IBM RS/6000. */
+#define U803XTOCMAGIC 0757 /* Aix 4.3 64-bit XCOFF */
+#define U64_TOCMAGIC 0767 /* AIX 5+ 64-bit XCOFF */
+#define BADMAG(x) ((x).f_magic != U803XTOCMAGIC && (x).f_magic != U64_TOCMAGIC)
#define FILHDR struct external_filehdr
#define FILHSZ 24
/********************** AOUT "OPTIONAL HEADER" **********************/
-
typedef struct
{
unsigned char magic[2]; /* type of file */
unsigned char vstamp[2]; /* version stamp */
unsigned char o_debugger[4]; /* reserved */
- unsigned char text_start[8]; /* base of text used for this file */
- unsigned char data_start[8]; /* base of data used for this file */
- unsigned char o_toc[8]; /* address of TOC */
+ unsigned char text_start[8]; /* base of text used for this file */
+ unsigned char data_start[8]; /* base of data used for this file */
+ unsigned char o_toc[8]; /* 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 */
@@ -62,8 +61,8 @@ typedef struct
unsigned char dsize[8]; /* initialized data " " */
unsigned char bsize[8]; /* uninitialized data " " */
unsigned char entry[8]; /* entry pt. */
- unsigned char o_maxstack[8]; /* max stack size (??) */
- unsigned char o_maxdata[8]; /* max data size (??) */
+ unsigned char o_maxstack[8]; /* max stack size (??) */
+ unsigned char o_maxdata[8]; /* max data size (??) */
unsigned char o_resv3[16]; /* reserved */
}
AOUTHDR;
@@ -74,22 +73,21 @@ AOUTHDR;
/********************** SECTION HEADER **********************/
-
-struct external_scnhdr {
- char s_name[8]; /* section name */
- char s_paddr[8]; /* physical address, aliased s_nlib */
- char s_vaddr[8]; /* virtual address */
- char s_size[8]; /* section size */
- char s_scnptr[8]; /* file ptr to raw data for section */
- char s_relptr[8]; /* file ptr to relocation */
- char s_lnnoptr[8]; /* file ptr to line numbers */
- char s_nreloc[4]; /* number of relocation entries */
- char s_nlnno[4]; /* number of line number entries*/
- char s_flags[4]; /* flags */
- char s_pad[4]; /* padding */
+struct external_scnhdr
+{
+ char s_name[8]; /* section name */
+ char s_paddr[8]; /* physical address, aliased s_nlib */
+ char s_vaddr[8]; /* virtual address */
+ char s_size[8]; /* section size */
+ char s_scnptr[8]; /* file ptr to raw data for section */
+ char s_relptr[8]; /* file ptr to relocation */
+ char s_lnnoptr[8]; /* file ptr to line numbers */
+ char s_nreloc[4]; /* number of relocation entries */
+ char s_nlnno[4]; /* number of line number entries*/
+ char s_flags[4]; /* flags */
+ char s_pad[4]; /* padding */
};
-
#define SCNHDR struct external_scnhdr
#define SCNHSZ 72
@@ -97,24 +95,25 @@ struct external_scnhdr {
/********************** 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[8]; /* (physical) address of line number */
- } l_addr;
- char l_lnno[4]; /* line number */
-};
+ 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[8]; /* (physical) address of line number */
+ } l_addr;
+
+ char l_lnno[4]; /* line number */
+};
#define LINENO struct external_lineno
#define LINESZ 12
-
/********************** SYMBOLS **********************/
#define E_SYMNMLEN 8 /* # characters in a symbol name */
@@ -131,16 +130,13 @@ struct external_syment
char e_numaux[1];
};
-
-
#define N_BTMASK (017)
#define N_TMASK (060)
#define N_BTSHFT (4)
#define N_TSHIFT (2)
-
-
-union external_auxent {
+union external_auxent
+{
struct {
union {
struct {
@@ -196,26 +192,23 @@ union external_auxent {
#define DBXMASK 0x80 /* for dbx storage mask */
#define SYMNAME_IN_DEBUG(symptr) ((symptr)->n_sclass & DBXMASK)
-/* Values for auxtype field in XCOFF64, taken from AIX 4.3 sym.h */
+/* Values for auxtype field in XCOFF64, taken from AIX 4.3 sym.h. */
#define _AUX_EXCEPT 255
#define _AUX_FCN 254
#define _AUX_SYM 253
#define _AUX_FILE 252
#define _AUX_CSECT 251
-
-
/********************** RELOCATION DIRECTIVES **********************/
-
-struct external_reloc {
+struct external_reloc
+{
char r_vaddr[8];
char r_symndx[4];
char r_size[1];
char r_type[1];
};
-
#define RELOC struct external_reloc
#define RELSZ 14