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tic54x/ibmc54xdsp target for ld.

This commit is contained in:
Timothy Wall 2000-06-20 13:29:07 +00:00
parent 2ab47eed68
commit 74459f0e3e
13 changed files with 318 additions and 5 deletions
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11
ld/ChangeLog
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@ -1,3 +1,14 @@
2000-06-20 Timothy Wall <twall@cygnus.com>
* scripttempl/tic54xcoff.sc: New.
* ldlang.c (wild_doit): Propagate SEC_BLOCK flag.
* gen-doc.texi: Add flag for TI COFF.
* ld.texinfo: Add documentation for TI COFF handling switches.
* emultempl/ticoff.em: New. TI COFF handling.
* configure.tgt: Add tic54x target.
* Makefile.am: Add tic54x target.
* Makefile.in: Ditto.
2000-06-20 Alan Modra <alan@linuxcare.com.au>
* ldmain.c (set_scripts_dir): Correct pointer comparison when

4
ld/Makefile.am
View File

@ -221,6 +221,7 @@ ALL_EMULATIONS = \
esun4.o \
etic30aout.o \
etic30coff.o \
etic54xcoff.o \
etic80coff.o \
evanilla.o \
evax.o \
@ -705,6 +706,9 @@ etic30aout.c: $(srcdir)/emulparams/tic30aout.sh \
etic30coff.c: $(srcdir)/emulparams/tic30coff.sh \
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/tic30coff.sc ${GEN_DEPENDS}
${GENSCRIPTS} tic30coff "$(tdir_tic30coff)"
etic54xcoff.c: $(srcdir)/emulparams/tic54xcoff.sh \
$(srcdir)/emultempl/ticoff.em $(srcdir)/scripttempl/tic54xcoff.sc ${GEN_DEPENDS}
${GENSCRIPTS} tic54xcoff "$(tdir_tic54xcoff)"
etic80coff.c: $(srcdir)/emulparams/tic80coff.sh \
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/tic80coff.sc ${GEN_DEPENDS}
${GENSCRIPTS} tic80coff "$(tdir_tic80coff)"

4
ld/Makefile.in
View File

@ -324,6 +324,7 @@ ALL_EMULATIONS = \
esun4.o \
etic30aout.o \
etic30coff.o \
etic54xcoff.o \
etic80coff.o \
evanilla.o \
evax.o \
@ -1404,6 +1405,9 @@ etic30aout.c: $(srcdir)/emulparams/tic30aout.sh \
etic30coff.c: $(srcdir)/emulparams/tic30coff.sh \
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/tic30coff.sc ${GEN_DEPENDS}
${GENSCRIPTS} tic30coff "$(tdir_tic30coff)"
etic54xcoff.c: $(srcdir)/emulparams/tic54xcoff.sh \
$(srcdir)/emultempl/ticoff.em $(srcdir)/scripttempl/tic54xcoff.sc ${GEN_DEPENDS}
${GENSCRIPTS} tic54xcoff "$(tdir_tic54xcoff)"
etic80coff.c: $(srcdir)/emulparams/tic80coff.sh \
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/tic80coff.sc ${GEN_DEPENDS}
${GENSCRIPTS} tic80coff "$(tdir_tic80coff)"

1
ld/configure.tgt
View File

@ -284,6 +284,7 @@ powerpc-*-beos*) targ_emul=aixppc ;;
rs6000-*-aix*) targ_emul=aixrs6 ;;
tic30-*-*aout*) targ_emul=tic30aout ;;
tic30-*-*coff*) targ_emul=tic30coff ;;
tic54x-*-* | c54x*-*-*) targ_emul=tic54xcoff ;;
tic80-*-*) targ_emul=tic80coff ;;
v850-*-*) targ_emul=v850 ;;
v850e-*-*) targ_emul=v850 ;;

8
ld/emulparams/tic54xcoff.sh Normal file
View File

@ -0,0 +1,8 @@
SCRIPT_NAME=tic54xcoff
OUTPUT_FORMAT="coff1-c54x"
ARCH=tic54x
ENTRY=_c_int00
TEXT_START_ADDR=0x0080
TARGET_PAGE_SIZE=0x1000
TEMPLATE_NAME=ticoff
OUTPUT_FORMAT_TEMPLATE=tic54x

199
ld/emultempl/ticoff.em Normal file
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@ -0,0 +1,199 @@
# This shell script emits a C file. -*- C -*-
# It does some substitutions.
(echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
cat >>e${EMULATION_NAME}.c <<EOF
/* This file is part of GLD, the Gnu Linker.
Copyright 1999, 2000 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
the Free Software Foundation; either version 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* For TI COFF */
/* Need to determine load and run pages for output sections */
#define TARGET_IS_${EMULATION_NAME}
#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "ld.h"
#include "ldmain.h"
#include "ldemul.h"
#include "ldfile.h"
#include "ldmisc.h"
#include "getopt.h"
static int coff_version;
static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE *));
/* TI COFF extra command line options */
#define OPTION_COFF_FORMAT (300 + 1)
static struct option longopts[] =
{
/* TI COFF options */
{"format", required_argument, NULL, OPTION_COFF_FORMAT },
{NULL, no_argument, NULL, 0}
};
static void
gld_${EMULATION_NAME}_list_options (file)
FILE * file;
{
fprintf (file, _(" --format 0|1|2 Specify which COFF version to use"));
}
static int
gld_${EMULATION_NAME}_parse_args(argc, argv)
int argc;
char **argv;
{
int longind;
int optc;
int prevoptind = optind;
int prevopterr = opterr;
int wanterror;
static int lastoptind = -1;
if (lastoptind != optind)
opterr = 0;
wanterror = opterr;
lastoptind = optind;
optc = getopt_long_only (argc, argv, "-", longopts, &longind);
opterr = prevopterr;
switch (optc)
{
default:
if (wanterror)
xexit (1);
optind = prevoptind;
return 0;
case OPTION_COFF_FORMAT:
if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
&& optarg[1] == '\0')
{
extern void lang_add_output_format
PARAMS ((const char *, const char *, const char *, int));
static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
coff_version = *optarg - '0';
buf[4] = *optarg;
lang_add_output_format (buf, NULL, NULL, 0);
}
else
{
einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
}
break;
}
return 1;
}
static void
gld_${EMULATION_NAME}_before_parse()
{
#ifndef TARGET_ /* I.e., if not generic. */
ldfile_set_output_arch ("`echo ${ARCH}`");
#endif /* not TARGET_ */
}
static char *
gld_${EMULATION_NAME}_get_script (isfile)
int *isfile;
EOF
if test -n "$COMPILE_IN"
then
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
sc='s/["\\]/\\&/g
s/$/\\n\\/
1s/^/"/
$s/$/n"/
'
cat >>e${EMULATION_NAME}.c <<EOF
{
*isfile = 0;
if (link_info.relocateable == true && config.build_constructors == true)
return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
else if (link_info.relocateable == true)
return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
else if (!config.text_read_only)
return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
else if (!config.magic_demand_paged)
return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
else
return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
}
EOF
else
# Scripts read from the filesystem.
cat >>e${EMULATION_NAME}.c <<EOF
{
*isfile = 1;
if (link_info.relocateable == true && config.build_constructors == true)
return "ldscripts/${EMULATION_NAME}.xu";
else if (link_info.relocateable == true)
return "ldscripts/${EMULATION_NAME}.xr";
else if (!config.text_read_only)
return "ldscripts/${EMULATION_NAME}.xbn";
else if (!config.magic_demand_paged)
return "ldscripts/${EMULATION_NAME}.xn";
else
return "ldscripts/${EMULATION_NAME}.x";
}
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
{
gld_${EMULATION_NAME}_before_parse,
syslib_default,
hll_default,
after_parse_default,
after_open_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
before_allocation_default,
gld_${EMULATION_NAME}_get_script,
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
NULL, /* finish */
NULL, /* create output section statements */
NULL, /* open dynamic archive */
NULL, /* place orphan */
NULL, /* set_symbols */
gld_${EMULATION_NAME}_parse_args,
NULL, /* unrecognized_file */
gld_${EMULATION_NAME}_list_options,
NULL, /* recognized file */
NULL, /* find_potential_libraries */
};
EOF

1
ld/gen-doc.texi
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@ -5,6 +5,7 @@
@c 2. Specific target machines
@set H8300
@set I960
@set TICOFF
@c 3. Properties of this configuration
@clear SingleFormat

18
ld/ld.texinfo
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@ -105,6 +105,9 @@ This file documents the @sc{gnu} linker ld version @value{VERSION}.
@ifset I960
* i960:: ld and the Intel 960 family
@end ifset
@ifset TICOFF
* TI COFF:: ld and the TI COFF
@end ifset
@end ifclear
@ifclear SingleFormat
* BFD:: BFD
@ -3855,6 +3858,9 @@ functionality are not listed.
* H8/300:: @code{ld} and the H8/300
* i960:: @code{ld} and the Intel 960 family
* ARM:: @code{ld} and the ARM family
@ifset TICOFF
* TI COFF:: @code{ld} and TI COFF
@end ifset
@end menu
@end ifset
@ -3995,6 +4001,18 @@ But it also sets the bottom bit of the address, so that it can be
branched to using a BX instruction, and the program will start
executing in Thumb mode straight away.
@ifset TICOFF
@node TI COFF
@section @code{ld}'s support for various TI COFF versions
@cindex TI COFF versions
@kindex --format=@var{version}
The @samp{--format} switch allows selection of one of the various
TI COFF versions. The latest of this writing is 2; versions 0 and 1 are
also supported. The TI COFF versions also vary in header byte-order
format; @code{ld} will read any version or byte order, but the output
header format depends on the default specified by the specific target.
@end ifset
@ifclear GENERIC
@lowersections
@end ifclear

4
ld/ldgram.y
View File

@ -619,7 +619,9 @@ memory_spec: NAME
attributes_opt ':'
origin_spec opt_comma length_spec
; origin_spec:
;
origin_spec:
ORIGIN '=' mustbe_exp
{ region->current =
region->origin =

7
ld/ldlang.c
View File

@ -1196,6 +1196,13 @@ wild_doit (ptr, section, output, file)
/* If supplied an aligment, then force it. */
if (output->section_alignment != -1)
output->bfd_section->alignment_power = output->section_alignment;
if (section->flags & SEC_BLOCK)
{
section->output_section->flags |= SEC_BLOCK;
/* FIXME: This value should really be obtained from the bfd... */
output->block_value = 128;
}
}
}

52
ld/scripttempl/tic54xcoff.sc Normal file
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@ -0,0 +1,52 @@
# default linker script for c54x, TI COFF(1).
# patterned after description in TI Aseembler Tools PDF, SPRU102C, 7-53
test -z "$ENTRY" && ENTRY=_c_int00
cat <<EOF
OUTPUT_FORMAT("${OUTPUT_FORMAT}")
OUTPUT_ARCH("${OUTPUT_ARCH}")
MEMORY
{
PAGE 0 : prog (RXI) : ORIGIN = 0x000080, LENGTH = 0xFF00
PAGE 1 : data (W) : ORIGIN = 0x000080, LENGTH = 0xFF80
}
ENTRY(${ENTRY})
SECTIONS
{
.text :
{
___text__ = .;
*(.text)
etext = .;
___etext__ = .;
} > prog
.data :
{
___data__ = .;
__data = .;
*(.data)
__edata = .;
edata = .;
___edata__ = .;
} > prog
/* all other initialized sections should be allocated here */
.cinit :
{
*(.cinit)
} > prog
.bss :
{
___bss__ = .;
__bss = .;
*(.bss)
*(COMMON)
__ebss = .;
end = .;
___end__ = .;
} > data
/* all other uninitialized sections should be allocated here */
}
EOF

4
ld/testsuite/ld-checks/asm.s
View File

@ -1,9 +1,9 @@
.text
.text
.global foo
foo:
.long 0x12345678
.data
.data
.global bar
bar:
.long 0x87654321

10
ld/testsuite/ld-scripts/script.exp
View File

@ -24,11 +24,17 @@ proc check_script { } {
verbose "bad output from nm"
fail $testname
} else {
set text_end 0x104
set data_end 0x1004
if [istarget *c54x*-*-*] then {
set text_end 0x102
set data_end 0x1002
}
if {$nm_output(text_start) != 0x100} {
send_log "text_start == $nm_output(text_start)\n"
verbose "text_start == $nm_output(text_start)"
fail $testname
} else { if {$nm_output(text_end) < 0x104 \
} else { if {$nm_output(text_end) < $text_end \
|| $nm_output(text_end) > 0x110} {
send_log "text_end == $nm_output(text_end)\n"
verbose "text_end == $nm_output(text_end)"
@ -37,7 +43,7 @@ proc check_script { } {
send_log "data_start == $nm_output(data_start)\n"
verbose "data_start == $nm_output(data_start)"
fail $testname
} else { if {$nm_output(data_end) < 0x1004 \
} else { if {$nm_output(data_end) < $data_end \
|| $nm_output(data_end) > 0x1010} {
send_log "data_end == $nm_output(data_end)\n"
verbose "data_end == $nm_output(data_end)"