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Fri Aug 28 16:25:22 1992 Ian Lance Taylor (ian@cygnus.com)

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* obj-bout.h, obj-bout.c (obj_header_append, obj_symbol_to_chars),
	tc-i960.c (md_ri_to_chars): Always output bout object file in
	little endian byte order (used to use endianness of host).
This commit is contained in:
Ian Lance Taylor 1992-08-29 00:16:47 +00:00
parent e41a1546e1
commit 8ae35e5919
4 changed files with 62 additions and 7 deletions
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6
gas/config/ChangeLog
View File

@ -1,3 +1,9 @@
Fri Aug 28 16:25:22 1992 Ian Lance Taylor (ian@cygnus.com)
* obj-bout.h, obj-bout.c (obj_header_append, obj_symbol_to_chars),
tc-i960.c (md_ri_to_chars): Always output bout object file in
little endian byte order (used to use endianness of host).
Tue Aug 25 15:11:08 1992 Steve Chamberlain (sac@thepub.cygnus.com)
* z8k.c, z8k.h, z8k.mt: z8000 support stuff

36
gas/config/obj-bout.c
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@ -134,14 +134,48 @@ object_headers *headers;
headers->header.a_relaxable = linkrelax;
#ifdef CROSS_COMPILE
md_number_to_chars(*where, headers->header.a_magic, sizeof(headers->header.a_magic));
*where += sizeof(headers->header.a_magic);
md_number_to_chars(*where, headers->header.a_text, sizeof(headers->header.a_text));
*where += sizeof(headers->header.a_text);
md_number_to_chars(*where, headers->header.a_data, sizeof(headers->header.a_data));
*where += sizeof(headers->header.a_data);
md_number_to_chars(*where, headers->header.a_bss, sizeof(headers->header.a_bss));
*where += sizeof(headers->header.a_bss);
md_number_to_chars(*where, headers->header.a_syms, sizeof(headers->header.a_syms));
*where += sizeof(headers->header.a_syms);
md_number_to_chars(*where, headers->header.a_entry, sizeof(headers->header.a_entry));
*where += sizeof(headers->header.a_entry);
md_number_to_chars(*where, headers->header.a_trsize, sizeof(headers->header.a_trsize));
*where += sizeof(headers->header.a_trsize);
md_number_to_chars(*where, headers->header.a_drsize, sizeof(headers->header.a_drsize));
*where += sizeof(headers->header.a_drsize);
md_number_to_chars(*where, headers->header.a_tload, sizeof(headers->header.a_tload));
*where += sizeof(headers->header.a_tload);
md_number_to_chars(*where, headers->header.a_dload, sizeof(headers->header.a_dload));
*where += sizeof(headers->header.a_dload);
md_number_to_chars(*where, headers->header.a_talign, sizeof(headers->header.a_talign));
*where += sizeof(headers->header.a_talign);
md_number_to_chars(*where, headers->header.a_dalign, sizeof(headers->header.a_dalign));
*where += sizeof(headers->header.a_dalign);
md_number_to_chars(*where, headers->header.a_balign, sizeof(headers->header.a_balign));
*where += sizeof(headers->header.a_balign);
md_number_to_chars(*where, headers->header.a_relaxable, sizeof(headers->header.a_relaxable));
*where += sizeof(headers->header.a_relaxable);
#else /* ! CROSS_COMPILE */
append(where, (char *) &headers->header, sizeof(headers->header));
#endif /* ! CROSS_COMPILE */
} /* a_header_append() */
void obj_symbol_to_chars(where, symbolP)
char **where;
symbolS *symbolP;
{
/* leave in host byte order */
md_number_to_chars((char *)&(S_GET_OFFSET(symbolP)), S_GET_OFFSET(symbolP), sizeof(S_GET_OFFSET(symbolP)));
md_number_to_chars((char *)&(S_GET_DESC(symbolP)), S_GET_DESC(symbolP), sizeof(S_GET_DESC(symbolP)));
md_number_to_chars((char *)&(S_GET_VALUE(symbolP)), S_GET_VALUE(symbolP), sizeof(S_GET_VALUE(symbolP)));
append(where, (char *)&symbolP->sy_symbol, sizeof(obj_symbol_type));
} /* obj_symbol_to_chars() */

8
gas/config/obj-bout.h
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@ -45,6 +45,9 @@
* are in host byte-order: object files CANNOT be lifted from a
* little-end host and used on a big-endian (or vice versa) without
* modification.
* ==> THIS IS NO LONGER TRUE USING BFD. WE CAN GENERATE ANY BYTE ORDER
* FOR THE HEADER, AND READ ANY BYTE ORDER. PREFERENCE WOULD BE TO
* USE LITTLE-ENDIAN BYTE ORDER THROUGHOUT, REGARDLESS OF HOST. <==
*
* o The downloader ('comm960') takes care to generate a pseudo-header
* with correct (i80960) byte-ordering before shipping text and data
@ -57,11 +60,6 @@
#include "targ-cpu.h"
/* bout uses host byte order for headers */
#ifdef CROSS_COMPILE
#undef CROSS_COMPILE
#endif /* CROSS_COMPILE */
/* We want \v. */
#define BACKSLASH_V 1

19
gas/config/tc-i960.c
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@ -29,6 +29,10 @@
* the downloader converts the file format and corrects the byte-ordering
* of the relevant fields while doing so.)
*
* ==> THIS IS NO LONGER TRUE USING BFD. WE CAN GENERATE ANY BYTE ORDER
* FOR THE HEADER, AND READ ANY BYTE ORDER. PREFERENCE WOULD BE TO
* USE LITTLE-ENDIAN BYTE ORDER THROUGHOUT, REGARDLESS OF HOST. <==
*
***************************************************************************** */
/* There are 4 different lengths of (potentially) symbol-based displacements
@ -955,12 +959,25 @@ register segT segment_type;
* executable code is actually downloaded to the i80960). Therefore,
* we leave it in host byte order.
*
* The above comment is no longer true. This routine now really
* does do the reordering (Ian Taylor 28 Aug 92).
*
**************************************************************************** */
void md_ri_to_chars(where, ri)
char *where;
struct relocation_info *ri;
{
*((struct relocation_info *) where) = *ri; /* structure assignment */
md_number_to_chars (where, ri->r_address,
sizeof (ri->r_address));
where[4] = ri->r_index & 0x0ff;
where[5] = (ri->r_index >> 8) & 0x0ff;
where[6] = (ri->r_index >> 16) & 0x0ff;
where[7] = ((ri->r_pcrel << 0)
| (ri->r_length << 1)
| (ri->r_extern << 3)
| (ri->r_bsr << 4)
| (ri->r_disp << 5)
| (ri->r_callj << 6));
} /* md_ri_to_chars() */
#ifndef WORKING_DOT_WORD