Timothy Wall
26 years ago
13 changed files with 318 additions and 5 deletions
@ -0,0 +1,8 @@ |
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SCRIPT_NAME=tic54xcoff |
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OUTPUT_FORMAT="coff1-c54x" |
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ARCH=tic54x |
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ENTRY=_c_int00 |
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TEXT_START_ADDR=0x0080 |
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TARGET_PAGE_SIZE=0x1000 |
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TEMPLATE_NAME=ticoff |
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OUTPUT_FORMAT_TEMPLATE=tic54x |
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@ -0,0 +1,199 @@ |
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# This shell script emits a C file. -*- C -*- |
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# It does some substitutions. |
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(echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) |
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cat >>e${EMULATION_NAME}.c <<EOF |
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/* This file is part of GLD, the Gnu Linker. |
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Copyright 1999, 2000 Free Software Foundation, Inc. |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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|
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/* For TI COFF */ |
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/* Need to determine load and run pages for output sections */ |
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|
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#define TARGET_IS_${EMULATION_NAME} |
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|
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#include "bfd.h" |
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#include "sysdep.h" |
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#include "bfdlink.h" |
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|
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#include "ld.h" |
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#include "ldmain.h" |
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#include "ldemul.h" |
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#include "ldfile.h" |
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#include "ldmisc.h" |
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|
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#include "getopt.h" |
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static int coff_version; |
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|
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static void gld_${EMULATION_NAME}_before_parse PARAMS ((void)); |
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static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *)); |
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static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **)); |
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static void gld_${EMULATION_NAME}_list_options PARAMS ((FILE *)); |
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|
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/* TI COFF extra command line options */ |
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#define OPTION_COFF_FORMAT (300 + 1) |
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|
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static struct option longopts[] = |
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{ |
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/* TI COFF options */ |
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{"format", required_argument, NULL, OPTION_COFF_FORMAT }, |
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{NULL, no_argument, NULL, 0} |
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}; |
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|
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static void |
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gld_${EMULATION_NAME}_list_options (file) |
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FILE * file; |
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{ |
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fprintf (file, _(" --format 0|1|2 Specify which COFF version to use")); |
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} |
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|
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static int |
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gld_${EMULATION_NAME}_parse_args(argc, argv) |
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int argc; |
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char **argv; |
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{ |
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int longind; |
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int optc; |
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int prevoptind = optind; |
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int prevopterr = opterr; |
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int wanterror; |
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static int lastoptind = -1; |
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|
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if (lastoptind != optind) |
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opterr = 0; |
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wanterror = opterr; |
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lastoptind = optind; |
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optc = getopt_long_only (argc, argv, "-", longopts, &longind); |
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opterr = prevopterr; |
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switch (optc) |
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{ |
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default: |
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if (wanterror) |
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xexit (1); |
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optind = prevoptind; |
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return 0; |
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|
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case OPTION_COFF_FORMAT: |
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if ((*optarg == '0' || *optarg == '1' || *optarg == '2') |
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&& optarg[1] == '\0') |
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{ |
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extern void lang_add_output_format |
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PARAMS ((const char *, const char *, const char *, int)); |
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static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}"; |
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coff_version = *optarg - '0'; |
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buf[4] = *optarg; |
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lang_add_output_format (buf, NULL, NULL, 0); |
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} |
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else |
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{ |
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einfo (_("%P%F: invalid COFF format version %s\n"), optarg); |
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|
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} |
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break; |
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} |
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return 1; |
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} |
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|
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static void |
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gld_${EMULATION_NAME}_before_parse() |
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{ |
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#ifndef TARGET_ /* I.e., if not generic. */ |
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ldfile_set_output_arch ("`echo ${ARCH}`"); |
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#endif /* not TARGET_ */ |
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} |
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|
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static char * |
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gld_${EMULATION_NAME}_get_script (isfile) |
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int *isfile; |
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EOF |
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if test -n "$COMPILE_IN" |
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then |
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# Scripts compiled in. |
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|
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# sed commands to quote an ld script as a C string. |
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sc='s/["\\]/\\&/g |
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s/$/\\n\\/ |
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1s/^/"/ |
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$s/$/n"/ |
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' |
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cat >>e${EMULATION_NAME}.c <<EOF |
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{ |
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*isfile = 0; |
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if (link_info.relocateable == true && config.build_constructors == true) |
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return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`; |
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else if (link_info.relocateable == true) |
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return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`; |
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else if (!config.text_read_only) |
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return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`; |
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else if (!config.magic_demand_paged) |
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return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`; |
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else |
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return `sed "$sc" ldscripts/${EMULATION_NAME}.x`; |
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} |
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EOF |
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|
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else |
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# Scripts read from the filesystem. |
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cat >>e${EMULATION_NAME}.c <<EOF |
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{ |
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*isfile = 1; |
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if (link_info.relocateable == true && config.build_constructors == true) |
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return "ldscripts/${EMULATION_NAME}.xu"; |
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else if (link_info.relocateable == true) |
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return "ldscripts/${EMULATION_NAME}.xr"; |
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else if (!config.text_read_only) |
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return "ldscripts/${EMULATION_NAME}.xbn"; |
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else if (!config.magic_demand_paged) |
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return "ldscripts/${EMULATION_NAME}.xn"; |
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else |
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return "ldscripts/${EMULATION_NAME}.x"; |
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} |
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EOF |
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|
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fi |
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cat >>e${EMULATION_NAME}.c <<EOF |
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struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
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{ |
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gld_${EMULATION_NAME}_before_parse, |
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syslib_default, |
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hll_default, |
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after_parse_default, |
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after_open_default, |
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after_allocation_default, |
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set_output_arch_default, |
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ldemul_default_target, |
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before_allocation_default, |
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gld_${EMULATION_NAME}_get_script, |
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"${EMULATION_NAME}", |
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"${OUTPUT_FORMAT}", |
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NULL, /* finish */ |
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NULL, /* create output section statements */ |
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NULL, /* open dynamic archive */ |
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NULL, /* place orphan */ |
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NULL, /* set_symbols */ |
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gld_${EMULATION_NAME}_parse_args, |
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NULL, /* unrecognized_file */ |
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gld_${EMULATION_NAME}_list_options, |
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NULL, /* recognized file */ |
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NULL, /* find_potential_libraries */ |
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}; |
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EOF |
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@ -0,0 +1,52 @@ |
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# default linker script for c54x, TI COFF(1). |
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# patterned after description in TI Aseembler Tools PDF, SPRU102C, 7-53 |
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test -z "$ENTRY" && ENTRY=_c_int00 |
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|
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cat <<EOF |
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OUTPUT_FORMAT("${OUTPUT_FORMAT}") |
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OUTPUT_ARCH("${OUTPUT_ARCH}") |
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|
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MEMORY |
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{ |
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PAGE 0 : prog (RXI) : ORIGIN = 0x000080, LENGTH = 0xFF00 |
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PAGE 1 : data (W) : ORIGIN = 0x000080, LENGTH = 0xFF80 |
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} |
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|
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ENTRY(${ENTRY}) |
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|
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SECTIONS |
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{ |
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.text : |
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{ |
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___text__ = .; |
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*(.text) |
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etext = .; |
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___etext__ = .; |
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} > prog |
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.data : |
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{ |
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___data__ = .; |
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__data = .; |
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*(.data) |
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__edata = .; |
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edata = .; |
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___edata__ = .; |
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} > prog |
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/* all other initialized sections should be allocated here */ |
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.cinit : |
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{ |
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*(.cinit) |
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} > prog |
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.bss : |
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{ |
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___bss__ = .; |
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__bss = .; |
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*(.bss) |
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*(COMMON) |
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__ebss = .; |
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end = .; |
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___end__ = .; |
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} > data |
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/* all other uninitialized sections should be allocated here */ |
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} |
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EOF |
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