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Add AIX 64 shared library support and emulation layer for binutils

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This commit is contained in:
Nick Clifton 2002-03-18 12:46:15 +00:00
parent 089b3bd71b
commit 0379a6552d
2 changed files with 55 additions and 58 deletions
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4
include/coff/ChangeLog
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@ -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> 2002-02-01 Tom Rix <trix@redhat.com>
* xcoff.h: Conditionally support <aiaff> for pre AIX 4.3. * xcoff.h: Conditionally support <aiaff> for pre AIX 4.3.

109
include/coff/rs6k64.h
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@ -1,5 +1,5 @@
/* IBM RS/6000 "XCOFF64" file definitions for BFD. /* 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 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 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 You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software 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 **********************/ /********************** FILE HEADER **********************/
struct external_filehdr { struct external_filehdr
char f_magic[2]; /* magic number */ {
char f_nscns[2]; /* number of sections */ char f_magic[2]; /* magic number */
char f_timdat[4]; /* time & date stamp */ char f_nscns[2]; /* number of sections */
char f_symptr[8];/* file pointer to symtab */ char f_timdat[4]; /* time & date stamp */
char f_opthdr[2]; /* sizeof(optional hdr) */ char f_symptr[8]; /* file pointer to symtab */
char f_flags[2]; /* flags */ char f_opthdr[2]; /* sizeof(optional hdr) */
char f_nsyms[4]; /* number of symtab entries */ char f_flags[2]; /* flags */
char f_nsyms[4]; /* number of symtab entries */
}; };
/* IBM RS/6000 */ /* IBM RS/6000. */
#define U803XTOCMAGIC 0757 /* readonly text segments and TOC, XCOFF64 */ #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) #define BADMAG(x) ((x).f_magic != U803XTOCMAGIC && (x).f_magic != U64_TOCMAGIC)
#define FILHDR struct external_filehdr #define FILHDR struct external_filehdr
#define FILHSZ 24 #define FILHSZ 24
/********************** AOUT "OPTIONAL HEADER" **********************/ /********************** AOUT "OPTIONAL HEADER" **********************/
typedef struct typedef struct
{ {
unsigned char magic[2]; /* type of file */ unsigned char magic[2]; /* type of file */
unsigned char vstamp[2]; /* version stamp */ unsigned char vstamp[2]; /* version stamp */
unsigned char o_debugger[4]; /* reserved */ unsigned char o_debugger[4]; /* reserved */
unsigned char text_start[8]; /* base of text used for this file */ 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 data_start[8]; /* base of data used for this file */
unsigned char o_toc[8]; /* address of TOC */ unsigned char o_toc[8]; /* address of TOC */
unsigned char o_snentry[2]; /* section number of entry point */ unsigned char o_snentry[2]; /* section number of entry point */
unsigned char o_sntext[2]; /* section number of .text section */ unsigned char o_sntext[2]; /* section number of .text section */
unsigned char o_sndata[2]; /* section number of .data 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 dsize[8]; /* initialized data " " */
unsigned char bsize[8]; /* uninitialized data " " */ unsigned char bsize[8]; /* uninitialized data " " */
unsigned char entry[8]; /* entry pt. */ unsigned char entry[8]; /* entry pt. */
unsigned char o_maxstack[8]; /* max stack size (??) */ unsigned char o_maxstack[8]; /* max stack size (??) */
unsigned char o_maxdata[8]; /* max data size (??) */ unsigned char o_maxdata[8]; /* max data size (??) */
unsigned char o_resv3[16]; /* reserved */ unsigned char o_resv3[16]; /* reserved */
} }
AOUTHDR; AOUTHDR;
@ -74,22 +73,21 @@ AOUTHDR;
/********************** SECTION HEADER **********************/ /********************** SECTION HEADER **********************/
struct external_scnhdr
struct external_scnhdr { {
char s_name[8]; /* section name */ char s_name[8]; /* section name */
char s_paddr[8]; /* physical address, aliased s_nlib */ char s_paddr[8]; /* physical address, aliased s_nlib */
char s_vaddr[8]; /* virtual address */ char s_vaddr[8]; /* virtual address */
char s_size[8]; /* section size */ char s_size[8]; /* section size */
char s_scnptr[8]; /* file ptr to raw data for section */ char s_scnptr[8]; /* file ptr to raw data for section */
char s_relptr[8]; /* file ptr to relocation */ char s_relptr[8]; /* file ptr to relocation */
char s_lnnoptr[8]; /* file ptr to line numbers */ char s_lnnoptr[8]; /* file ptr to line numbers */
char s_nreloc[4]; /* number of relocation entries */ char s_nreloc[4]; /* number of relocation entries */
char s_nlnno[4]; /* number of line number entries*/ char s_nlnno[4]; /* number of line number entries*/
char s_flags[4]; /* flags */ char s_flags[4]; /* flags */
char s_pad[4]; /* padding */ char s_pad[4]; /* padding */
}; };
#define SCNHDR struct external_scnhdr #define SCNHDR struct external_scnhdr
#define SCNHSZ 72 #define SCNHSZ 72
@ -97,24 +95,25 @@ struct external_scnhdr {
/********************** LINE NUMBERS **********************/ /********************** LINE NUMBERS **********************/
/* 1 line number entry for every "breakpointable" source line in a section. /* 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 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 grouping will have l_lnno = 0 and in place of physical address will be the
* symbol table index of the function name. 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 */
};
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 LINENO struct external_lineno
#define LINESZ 12 #define LINESZ 12
/********************** SYMBOLS **********************/ /********************** SYMBOLS **********************/
#define E_SYMNMLEN 8 /* # characters in a symbol name */ #define E_SYMNMLEN 8 /* # characters in a symbol name */
@ -131,16 +130,13 @@ struct external_syment
char e_numaux[1]; char e_numaux[1];
}; };
#define N_BTMASK (017) #define N_BTMASK (017)
#define N_TMASK (060) #define N_TMASK (060)
#define N_BTSHFT (4) #define N_BTSHFT (4)
#define N_TSHIFT (2) #define N_TSHIFT (2)
union external_auxent {
union external_auxent
{
struct { struct {
union { union {
struct { struct {
@ -196,26 +192,23 @@ union external_auxent {
#define DBXMASK 0x80 /* for dbx storage mask */ #define DBXMASK 0x80 /* for dbx storage mask */
#define SYMNAME_IN_DEBUG(symptr) ((symptr)->n_sclass & DBXMASK) #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_EXCEPT 255
#define _AUX_FCN 254 #define _AUX_FCN 254
#define _AUX_SYM 253 #define _AUX_SYM 253
#define _AUX_FILE 252 #define _AUX_FILE 252
#define _AUX_CSECT 251 #define _AUX_CSECT 251
/********************** RELOCATION DIRECTIVES **********************/ /********************** RELOCATION DIRECTIVES **********************/
struct external_reloc
struct external_reloc { {
char r_vaddr[8]; char r_vaddr[8];
char r_symndx[4]; char r_symndx[4];
char r_size[1]; char r_size[1];
char r_type[1]; char r_type[1];
}; };
#define RELOC struct external_reloc #define RELOC struct external_reloc
#define RELSZ 14 #define RELSZ 14