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Merges from Intel. 

Chrisb bug fixes.
This commit is contained in:
Steve Chamberlain 1991-04-15 15:27:15 +00:00
parent 9846338e68
commit 99fe455360
9 changed files with 232 additions and 165 deletions
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4
ld/config.h
View File

@ -27,7 +27,11 @@
#define GLD960_EMULATION_NAME "gld960"
#define LNK960_EMULATION_NAME "lnk960"
/* Otherwise default to this emulation */
#ifdef GNU960
#define DEFAULT_EMULATION GLD960_EMULATION_NAME
#else
#define DEFAULT_EMULATION GLD68K_EMULATION_NAME
#endif
/* Look in this variable for a target format */

16
ld/ld-emul.c
View File

@ -1,5 +1,3 @@
/* Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
@ -19,9 +17,9 @@ along with GLD; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
$Id$
*
*/
* $Id$
*/
/*
* clearing house for ld emulation states
*/
@ -110,6 +108,10 @@ char *target;
if (strcmp(target,LNK960_EMULATION_NAME)==0) {
ld_emulation = &ld_lnk960_emulation;
}
else if (strcmp(target,GLD960_EMULATION_NAME)==0) {
ld_emulation = &ld_gld960_emulation;
}
#ifndef GNU960
else if (strcmp(target,GLD_EMULATION_NAME)==0) {
ld_emulation = &ld_gld_emulation;
}
@ -119,9 +121,7 @@ char *target;
else if (strcmp(target,GLD68K_EMULATION_NAME)==0) {
ld_emulation = &ld_gld68k_emulation;
}
else if (strcmp(target,GLD960_EMULATION_NAME)==0) {
ld_emulation = &ld_gld960_emulation;
}
#endif
else {
info("%P%F unrecognised emulation mode: %s\n",target);
}

62
ld/ld-gld960.c
View File

@ -18,37 +18,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
$Id$
$Log$
Revision 1.3 1991/04/14 03:22:11 steve
checkpoint before a merge
* Revision 1.2 1991/03/22 23:02:30 steve
* Brought up to sync with Intel again.
*
* Revision 1.3 1991/03/16 22:27:24 rich
* fish
*
* Revision 1.2 1991/03/15 18:45:55 rich
* foo
*
* Revision 1.1 1991/03/13 00:48:12 chrisb
* Initial revision
*
* Revision 1.4 1991/03/10 09:31:19 rich
* Modified Files:
* Makefile config.h ld-emul.c ld-emul.h ld-gld.c ld-gld960.c
* ld-lnk960.c ld.h lddigest.c ldexp.c ldexp.h ldfile.c ldfile.h
* ldgram.y ldinfo.h ldlang.c ldlang.h ldlex.h ldlex.l ldmain.c
* ldmain.h ldmisc.c ldmisc.h ldsym.c ldsym.h ldversion.c
* ldversion.h ldwarn.h ldwrite.c ldwrite.h y.tab.h
*
* As of this round of changes, ld now builds on all hosts of (Intel960)
* interest and copy passes my copy test on big endian hosts again.
*
* Revision 1.3 1991/02/22 17:14:57 sac
* Added RCS keywords and copyrights
*
*/
/*
@ -80,6 +49,26 @@ extern bfd *output_bfd;
#ifdef GNU960
static void
gld960_before_parse()
{
static char *env_variables[] = { "G960LIB", "G960BASE", 0 };
char **p;
char *env ;
for ( p = env_variables; *p; p++ ){
env = (char *) getenv(*p);
if (env) {
ldfile_add_library_path(concat(env,"/lib/libbout",""));
}
}
ldfile_output_architecture = bfd_arch_i960;
}
#else /* not GNU960 */
static void gld960_before_parse()
{
char *env ;
@ -94,6 +83,8 @@ static void gld960_before_parse()
ldfile_output_architecture = bfd_arch_i960;
}
#endif /* GNU960 */
static void
gld960_after_parse()
@ -125,12 +116,21 @@ gld960_set_output_arch()
static char *
gld960_choose_target()
{
#ifdef GNU960
output_filename = "b.out";
return bfd_make_targ_name(BFD_BOUT_FORMAT,HOST_BYTE_ORDER_BIG_P);
#else
char *from_outside = getenv(TARGET_ENVIRON);
output_filename = "b.out";
if (from_outside != (char *)NULL)
return from_outside;
return GLD960_TARGET;
#endif
}
static void

70
ld/ldfile.c
View File

@ -90,8 +90,9 @@ char *attempt;
lang_input_statement_type *entry;
{
entry->the_bfd = bfd_openr(attempt, entry->target);
if (option_v == true && entry->the_bfd == (bfd *)NULL) {
info("attempt to open %s failed\n", attempt);
if (option_v == true ) {
info("attempt to open %s %s\n", attempt,
(entry->the_bfd == (bfd *)NULL) ? "failed" : "succeeded" );
}
return entry->the_bfd;
}
@ -249,9 +250,71 @@ char *name;
#ifdef GNU960
static
char *
gnu960_map_archname( name )
char *name;
{
struct tabentry { char *cmd_switch; char *arch; };
static struct tabentry arch_tab[] = {
"", "",
"KA", "ka",
"KB", "kb",
"KC", "mc", /* Synonym for MC */
"MC", "mc",
"CA", "ca",
"SA", "ka", /* Functionally equivalent to KA */
"SB", "kb", /* Functionally equivalent to KB */
NULL, ""
};
struct tabentry *tp;
for ( tp = arch_tab; tp->cmd_switch != NULL; tp++ ){
if ( !strcmp(name,tp->cmd_switch) ){
break;
}
}
if ( tp->cmd_switch == NULL ){
info("%P%F: unknown architecture: %s\n",name);
}
return tp->arch;
}
void
ldfile_add_arch(name)
char *name;
{
search_arch_type *new =
(search_arch_type *)ldmalloc(sizeof(search_arch_type));
if (*name != '\0') {
if (ldfile_output_machine_name[0] != '\0') {
info("%P%F: target architecture respecified\n");
return;
}
ldfile_output_machine_name = name;
}
new->next = (search_arch_type*)NULL;
new->name = gnu960_map_archname( name );
*search_arch_tail_ptr = new;
search_arch_tail_ptr = &new->next;
}
#else /* not GNU960 */
void
DEFUN(ldfile_add_arch,(in_name),
CONST char *CONST in_name)
CONST char * in_name)
{
char *name = buystring(in_name);
search_arch_type *new =
@ -269,3 +332,4 @@ DEFUN(ldfile_add_arch,(in_name),
search_arch_tail_ptr = &new->next;
}
#endif

64
ld/ldmain.c
View File

@ -137,7 +137,12 @@ main (argc, argv)
char *emulation;
program_name = argv[0];
output_filename = "a.out";
emulation = getenv(EMULATION_ENVIRON);
#ifdef GNU960
check_v960( argc, argv );
#endif
emulation = (char *) getenv(EMULATION_ENVIRON);
/* Initialize the data about options. */
strip_symbols = STRIP_NONE;
@ -164,12 +169,16 @@ main (argc, argv)
config.magic_demand_paged = true ;
config.make_executable = true;
#ifdef GNU960
ldemul_choose_mode(LNK960_EMULATION_NAME);
#else
if (emulation == (char *)NULL) {
emulation= DEFAULT_EMULATION;
}
ldemul_choose_mode(emulation);
#endif
default_target = ldemul_choose_target();
@ -250,7 +259,7 @@ asymbol **nlist_p;
sym->value = 0;
sym->flags = BSF_UNDEFINED;
sym->section = (asection *)NULL;
sym->udata =(void *)( sp->srefs_chain);
sym->udata =(PTR)( sp->srefs_chain);
sp->srefs_chain = nlist_p;
}
/*
@ -283,7 +292,7 @@ Q_enter_global_ref (nlist_p)
{
asymbol *sym = *nlist_p;
char *name = sym->name;
CONST char *name = sym->name;
ldsym_type *sp = ldsym_get (name);
flagword this_symbol_flags = sym->flags;
@ -356,7 +365,7 @@ Q_enter_global_ref (nlist_p)
sy->value);
}
else {
sym->udata =(void *)( sp->sdefs_chain);
sym->udata =(PTR)( sp->sdefs_chain);
sp->sdefs_chain = nlist_p;
}
/* A definition overrides a common symbol */
@ -445,6 +454,22 @@ search_library (entry)
}
#ifdef GNU960
static
boolean
gnu960_check_format (abfd, format)
bfd *abfd;
bfd_format format;
{
boolean retval;
if ((bfd_check_format(abfd,format) == true) && BFD_COFF_FILE_P(abfd)) {
return true;
}
return false;
}
#endif
void
ldmain_open_file_read_symbol (entry)
struct lang_input_statement_struct *entry;
@ -455,24 +480,33 @@ struct lang_input_statement_struct *entry;
{
ldfile_open_file (entry);
#ifdef GNU960
if (gnu960_check_format(entry->the_bfd, bfd_object))
#else
if (bfd_check_format(entry->the_bfd, bfd_object))
#endif
{
entry->the_bfd->usrdata = (void*)entry;
entry->the_bfd->usrdata = (PTR)entry;
Q_read_entry_symbols (entry->the_bfd, entry);
Q_enter_file_symbols (entry);
}
#ifdef GNU960
else if (gnu960_check_format(entry->the_bfd, bfd_archive))
#else
else if (bfd_check_format(entry->the_bfd, bfd_archive))
#endif
{
entry->the_bfd->usrdata = (void *)entry;
entry->the_bfd->usrdata = (PTR)entry;
entry->subfiles = (lang_input_statement_type *)NULL;
search_library (entry);
}
else
{
info("%F%I: malformed input file (not rel or archive) \n", entry);
info("%F%B: malformed input file (not rel or archive) \n",
entry->the_bfd);
}
}
@ -567,7 +601,11 @@ symdef_library (entry)
bfd *archive_member_bfd = bfd_get_elt_at_index(entry->the_bfd, idx);
struct lang_input_statement_struct *archive_member_lang_input_statement_struct;
#ifdef GNU960
if (archive_member_bfd && gnu960_check_format(archive_member_bfd, bfd_object))
#else
if (archive_member_bfd && bfd_check_format(archive_member_bfd, bfd_object))
#endif
{
/* Don't think carefully about any archive member
@ -579,7 +617,7 @@ symdef_library (entry)
/* Read the symbol table of the archive member. */
if (archive_member_bfd->usrdata != (void *)NULL) {
if (archive_member_bfd->usrdata != (PTR)NULL) {
archive_member_lang_input_statement_struct =(lang_input_statement_type *) archive_member_bfd->usrdata;
}
@ -587,7 +625,7 @@ symdef_library (entry)
archive_member_lang_input_statement_struct =
decode_library_subfile (entry, archive_member_bfd);
archive_member_bfd->usrdata = (void *) archive_member_lang_input_statement_struct;
archive_member_bfd->usrdata = (PTR) archive_member_lang_input_statement_struct;
}
@ -652,14 +690,18 @@ struct lang_input_statement_struct *entry;
more_to_do = false;
while (archive) {
#ifdef GNU960
if (gnu960_check_format(archive, bfd_object))
#else
if (bfd_check_format(archive, bfd_object))
#endif
{
register struct lang_input_statement_struct *subentry;
subentry = decode_library_subfile (entry,
archive);
archive->usrdata = (void *) subentry;
archive->usrdata = (PTR) subentry;
if (!subentry) return;
if (subentry->loaded == false) {
Q_read_entry_symbols (archive, subentry);
@ -742,7 +784,7 @@ struct lang_input_statement_struct *entry;
sp->scoms_chain = sp->srefs_chain;
sp->srefs_chain =
(asymbol **)((*(sp->srefs_chain))->udata);
(*(sp->scoms_chain))->udata = (void*)NULL;
(*(sp->scoms_chain))->udata = (PTR)NULL;
(*( sp->scoms_chain))->flags = BSF_FORT_COMM;
/* Remember the size of this item */

12
ld/ldmisc.c
View File

@ -93,7 +93,7 @@ va_dcl
if (symbol) {
asection *section = symbol->section;
if ((symbol->flags & BSF_UNDEFINED) == 0) {
char *section_name = section == (asection *)NULL ?
CONST char *section_name = section == (asection *)NULL ?
"absolute" : section->name;
fprintf(stderr,"%s (%s)", symbol->name, section_name);
}
@ -169,8 +169,8 @@ va_dcl
break;
case 'C':
{
char *filename;
char *functionname;
CONST char *filename;
CONST char *functionname;
unsigned int linenumber;
bfd *abfd = va_arg(arg, bfd *);
asection *section = va_arg(arg, asection *);
@ -235,8 +235,10 @@ unsigned int line;
whose contents concatenate those of S1, S2, S3. */
char *
concat (s1, s2, s3)
char *s1, *s2, *s3;
DEFUN(concat, (s1, s2, s3),
CONST char *s1 AND
CONST char *s2 AND
CONST char *s3)
{
size_t len1 = strlen (s1);
size_t len2 = strlen (s2);

18
ld/ldsym.c
View File

@ -78,8 +78,8 @@ hash_string (key)
/* Get the symbol table entry for the global symbol named KEY.
Create one if there is none. */
ldsym_type *
ldsym_get (key)
char *key;
DEFUN(ldsym_get,(key),
CONST char *key)
{
register int hashval;
register ldsym_type *bp;
@ -100,11 +100,7 @@ ldsym_get (key)
bp->srefs_chain = (asymbol **)NULL;
bp->sdefs_chain = (asymbol **)NULL;
bp->scoms_chain = (asymbol **)NULL;
bp->name = (char *) ldmalloc (strlen (key) + 1);
strcpy (bp->name, key);
bp->name = buystring(key);
/* Add the entry to the bucket. */
@ -123,8 +119,8 @@ ldsym_get (key)
/* Like `ldsym_get' but return 0 if the symbol is not already known. */
ldsym_type *
ldsym_get_soft (key)
char *key;
DEFUN(ldsym_get_soft,(key),
CONST char *key)
{
register int hashval;
register ldsym_type *bp;
@ -433,8 +429,8 @@ return true if the supplied symbol name is not in the
linker symbol table
*/
boolean
ldsym_undefined(sym)
char *sym;
DEFUN(ldsym_undefined,(sym),
CONST char *sym)
{
ldsym_type *from_table = ldsym_get_soft(sym);
if (from_table != (ldsym_type *)NULL) {

2
ld/ldsym.h
View File

@ -24,7 +24,7 @@ typedef struct user_symbol_struct
struct user_symbol_struct *link;
/* Name of this symbol. */
char *name;
CONST char *name;
/* Pointer to next symbol in order of symbol creation */
struct user_symbol_struct *next;

149
ld/ldwrite.c
View File

@ -18,47 +18,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
* $Id$
*
* $Log$
* Revision 1.5 1991/04/14 03:22:42 steve
* checkpoint before a merge
*
* Revision 1.4 1991/03/22 23:02:40 steve
* Brought up to sync with Intel again.
*
* Revision 1.2 1991/03/15 18:45:55 rich
* foo
*
* Revision 1.1 1991/03/13 00:48:37 chrisb
* Initial revision
*
* Revision 1.7 1991/03/10 19:15:03 sac
* Took out the abort() which had been put in the wrong place
* Updated the version #.
*
* Revision 1.6 1991/03/10 09:31:41 rich
* Modified Files:
* Makefile config.h ld-emul.c ld-emul.h ld-gld.c ld-gld960.c
* ld-lnk960.c ld.h lddigest.c ldexp.c ldexp.h ldfile.c ldfile.h
* ldgram.y ldinfo.h ldlang.c ldlang.h ldlex.h ldlex.l ldmain.c
* ldmain.h ldmisc.c ldmisc.h ldsym.c ldsym.h ldversion.c
* ldversion.h ldwarn.h ldwrite.c ldwrite.h y.tab.h
*
* As of this round of changes, ld now builds on all hosts of (Intel960)
* interest and copy passes my copy test on big endian hosts again.
*
* Revision 1.5 1991/03/09 03:25:08 sac
* Added support for LONG, SHORT and BYTE keywords in scripts
*
* Revision 1.4 1991/03/06 21:59:34 sac
* Completed G++ support
*
* Revision 1.3 1991/03/06 02:29:52 sac
* Added support for partial linking.
*
* Revision 1.2 1991/02/22 17:15:11 sac
* Added RCS keywords and copyrights
*
*/
/*
@ -250,7 +209,7 @@ asymbol **symbols;
void *data_area;
PTR data_area;
static void
copy_and_relocate(statement)
@ -260,65 +219,65 @@ lang_statement_union_type *statement;
case lang_fill_statement_enum:
{
#if 0
bfd_byte play_area[SHORT_SIZE];
unsigned int i;
bfd_putshort(output_bfd, statement->fill_statement.fill, play_area);
/* Write out all entire shorts */
for (i = 0;
i < statement->fill_statement.size - SHORT_SIZE + 1;
i+= SHORT_SIZE)
{
bfd_set_section_contents(output_bfd,
statement->fill_statement.output_section,
play_area,
statement->data_statement.output_offset +i,
SHORT_SIZE);
bfd_byte play_area[SHORT_SIZE];
unsigned int i;
bfd_putshort(output_bfd, statement->fill_statement.fill, play_area);
/* Write out all entire shorts */
for (i = 0;
i < statement->fill_statement.size - SHORT_SIZE + 1;
i+= SHORT_SIZE)
{
bfd_set_section_contents(output_bfd,
statement->fill_statement.output_section,
play_area,
statement->data_statement.output_offset +i,
SHORT_SIZE);
}
}
/* Now write any remaining byte */
if (i < statement->fill_statement.size)
{
bfd_set_section_contents(output_bfd,
statement->fill_statement.output_section,
play_area,
statement->data_statement.output_offset +i,
1);
/* Now write any remaining byte */
if (i < statement->fill_statement.size)
{
bfd_set_section_contents(output_bfd,
statement->fill_statement.output_section,
play_area,
statement->data_statement.output_offset +i,
1);
}
}
#endif
}
}
break;
case lang_data_statement_enum:
{
bfd_vma value = statement->data_statement.value;
bfd_byte play_area[LONG_SIZE];
unsigned int size;
switch (statement->data_statement.type) {
case LONG:
bfd_putlong(output_bfd, value, play_area);
size = LONG_SIZE;
break;
case SHORT:
bfd_putshort(output_bfd, value, play_area);
size = SHORT_SIZE;
break;
case BYTE:
bfd_putchar(output_bfd, value, play_area);
size = BYTE_SIZE;
break;
}
bfd_set_section_contents(output_bfd,
statement->data_statement.output_section,
play_area,
statement->data_statement.output_vma,
size);
{
bfd_vma value = statement->data_statement.value;
bfd_byte play_area[LONG_SIZE];
unsigned int size;
switch (statement->data_statement.type) {
case LONG:
bfd_putlong(output_bfd, value, play_area);
size = LONG_SIZE;
break;
case SHORT:
bfd_putshort(output_bfd, value, play_area);
size = SHORT_SIZE;
break;
case BYTE:
bfd_putchar(output_bfd, value, play_area);
size = BYTE_SIZE;
break;
}
bfd_set_section_contents(output_bfd,
statement->data_statement.output_section,
play_area,
statement->data_statement.output_vma,
size);
}
break;
case lang_input_section_enum:
{
@ -432,7 +391,7 @@ write_rel()
void
ldwrite ()
{
data_area = (void*) ldmalloc(largest_section);
data_area = (PTR) ldmalloc(largest_section);
if (config.relocateable_output == true)
{
write_rel();