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authorBernd Schmidt <bernds@codesourcery.com>2011-03-31 08:58:28 +0000
committerBernd Schmidt <bernds@codesourcery.com>2011-03-31 08:58:28 +0000
commitac14530735340ebde54e9d536e3a0fd3e82f36db (patch)
tree3b0c55c7d997536e48c444d999138e9bc449df3f /ld/emultempl/tic6xdsbt.em
parent53dd76d35f32095e432e4822dbe06f017f7d7069 (diff)
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include/elf/
* tic6x.h (R_C6000_JUMP_SPLOT, R_C6000_EHTYPE, R_C6000_PCR_H16, R_C6000_PCR_L16): New relocs. (SHN_TIC6X_SCOMMON): Define. bfd/ * elf32-tic6x.h (struct elf32_tic6x_params): New. (elf32_tic6x_setup): Declare. * elf32-tic6x.c: Include <limits.h>. (ELF_DYNAMIC_LINKER, DEFAULT_STACK_SIZE, PLT_ENTRY_SIZE): Define. (struct elf32_tic6x_link_hash_table, struct elf32_link_hash_entry): New structures. (elf32_tic6x_link_hash_table, is_tic6x_elf): New macros. (tic6x_elf_scom_section, tic6x_elf_scom_symbol, tic6x_elf_scom_symbol_ptr): New static variables. (elf32_tic6x_howto_table, elf32_tic6x_howto_table_rel, elf32_tic6x_reloc_map): Add R_C6000_JUMP_SLOT, R_C6000_EHTYPE, R_C6000_PCR_H16 and R_C6000_PCR_L16. (elf32_tic6x_link_hash_newfunc, elf32_tic6x_link_hash_table_create, elf32_tic6x_link_hash_table_free, elf32_tic6x_setup, elf32_tic6x_using_dsbt, elf32_tic6x_install_rela, elf32_tic6x_create_dynamic_sections, elf32_tic6x_make_got_dynreloc, elf32_tic6x_finish_dynamic_symbol, elf32_tic6x_gc_sweep_hook, elf32_tic6x_adjust_dynamic_symbol): New static functions. (elf32_tic6x_relocate_section): For R_C6000_PCR_S21, convert branches to weak symbols as required by the ABI. Handle GOT and DSBT_INDEX relocs, and copy relocs to the output file as needed when generating DSBT output. (elf32_tic6x_check_relocs, elf32_tic6x_add_symbol_hook, elf32_tic6x_symbol_processing, elf32_tic6x_section_from_bfd_section, elf32_tic6x_allocate_dynrelocs, elf32_tic6x_size_dynamic_sections, elf32_tic6x_always_size_sections, elf32_tic6x_modify_program_headers, elf32_tic6x_finish_dynamic_sections, elf32_tic6x_plt_sym_val, elf32_tic6x_copy_private_data, elf32_tic6x_link_omit_section_dynsym): New static functions. (ELF_MAXPAGESIZE): Define to 0x1000. (bfd_elf32_bfd_copy_private_bfd_data, bfd_elf32_bfd_link_hash_table_create, bfd_elf32_bfd_link_hash_table_free, elf_backend_can_refcount, elf_backend_want_got_plt, elf_backend_want_dynbss, elf_backend_plt_readonly, elf_backend_got_header_size, elf_backend_gc_sweep_hook, elf_backend_modify_program_headers, elf_backend_create_dynamic_sections, elf_backend_adjust_dynamic_symbol, elf_backend_check_relocs, elf_backend_add_symbol_hook, elf_backend_symbol_processing, elf_backend_link_output_symbol_hook, elf_backend_section_from_bfd_section, elf_backend_finish_dynamic_symbol, elf_backend_always_size_sections, elf32_tic6x_size_dynamic_sections, elf_backend_finish_dynamic_sections, elf_backend_omit_section_dynsym, elf_backend_plt_sym_val): Define. * bfd/reloc.c (BFD_RELOC_C6000_JUMP_SLOT, BFD_RELOC_C6000_EHTYPE, BFD_RELOC_C6000_PCR_H16, BFD_RELOC_C6000_PCR_S16): Add. * bfd/bfd-in2.h: Regenerate. * bfd/libbfd.h: Regenerate. * config.bfd: Accept tic6x-*-* instead of tic6x-*-elf. gas/ * config/tc-tic6x.c (sbss_section, scom_section, scom_symbol): New static variables. (md_begin): Initialize them. (s_tic6x_scomm): New static function. (md_pseudo_table): Add "scomm". (tc_gen_reloc): Really undo all adjustments made by bfd_install_relocation. * doc/c-tic6x.texi: Document the .scomm directive. gas/testsuite/ * gas/tic6x/scomm-directive-1.s: New test. * gas/tic6x/scomm-directive-1.d: New test. * gas/tic6x/scomm-directive-2.s: New test. * gas/tic6x/scomm-directive-2.d: New test. * gas/tic6x/scomm-directive-3.s: New test. * gas/tic6x/scomm-directive-3.d: New test. * gas/tic6x/scomm-directive-4.s: New test. * gas/tic6x/scomm-directive-4.d: New test. * gas/tic6x/scomm-directive-5.s: New test. * gas/tic6x/scomm-directive-5.d: New test. * gas/tic6x/scomm-directive-6.s: New test. * gas/tic6x/scomm-directive-6.d: New test. * gas/tic6x/scomm-directive-7.s: New test. * gas/tic6x/scomm-directive-7.d: New test. * gas/tic6x/scomm-directive-8.s: New test. * gas/tic6x/scomm-directive-8.d: New test. ld/ * emulparams/elf32_tic6x_le.sh (BIG_OUTPUT_FORMAT, EXTRA_EM_FILE, GENERATE_SHLIB_SCRIPT): New defines. (TEXT_START_ADDR): Define differently depending on target. (.got): Redefine to include "*(.dsbt)". (SDATA_START_SYMBOLS): Remove, replace with (OTHER_GOT_SYMBOLS): New. (OTHER_BSS_SECTIONS): Define only for ELF targets. * emultempl/tic6xdsbt.em: New file. * gen-doc.texi: Set C6X. * ld.texinfo: Likewise. (Options specific to C6X uClinux targets): New section. binutils/ * readelf.c (get_symbol_index_type): Handle SCOM for TIC6X. (dump_relocations): Likewise. binutils/testsuite/ * lib/binutils-common.exp (is_elf_format): Accept tic6x*-*-uclinux*. ld/testsuite/ * ld-scripts/crossref.exp: Add CFLAGS for tic6x*-*-*. * ld-elf/sec-to-seg.exp: Remove tic6x from list of targets defining pagesize to 1. * ld-tic6x/tic6x.exp: Add support for DSBT shared library/executable linking tests. * ld-tic6x/dsbt.ld: New linker script. * ld-tic6x/dsbt-be.ld: New linker script. * ld-tic6x/dsbt-overflow.ld: New linker script. * ld-tic6x/dsbt-inrange.ld: New linker script. * ld-tic6x/shlib-1.s: New test. * ld-tic6x/shlib-2.s: New test. * ld-tic6x/shlib-app-1r.s: New test. * ld-tic6x/shlib-app-1.s: New test. * ld-tic6x/shlib-1.sd: New test. * ld-tic6x/shlib-1.dd: New test. * ld-tic6x/shlib-app-1.rd: New test. * ld-tic6x/shlib-app-1rb.rd: New test. * ld-tic6x/shlib-app-1.sd: New test. * ld-tic6x/static-app-1rb.od: New test. * ld-tic6x/shlib-app-1.dd: New test. * ld-tic6x/shlib-app-1rb.sd: New test. * ld-tic6x/static-app-1b.od: New test. * ld-tic6x/static-app-1r.od: New test. * ld-tic6x/shlib-1rb.rd: New test. * ld-tic6x/shlib-app-1rb.dd: New test. * ld-tic6x/shlib-1rb.sd: New test. * ld-tic6x/shlib-1rb.dd: New test. * ld-tic6x/shlib-app-1b.od: New test. * ld-tic6x/tic6x.exp: New test. * ld-tic6x/static-app-1rb.rd: New test. * ld-tic6x/shlib-app-1r.od: New test. * ld-tic6x/static-app-1.od: New test. * ld-tic6x/static-app-1b.rd: New test. * ld-tic6x/static-app-1r.rd: New test. * ld-tic6x/static-app-1rb.sd: New test. * ld-tic6x/static-app-1b.sd: New test. * ld-tic6x/static-app-1rb.dd: New test. * ld-tic6x/static-app-1r.sd: New test. * ld-tic6x/static-app-1b.dd: New test. * ld-tic6x/shlib-1b.rd: New test. * ld-tic6x/static-app-1r.dd: New test. * ld-tic6x/shlib-app-1b.rd: New test. * ld-tic6x/shlib-1r.rd: New test. * ld-tic6x/shlib-app-1r.rd: New test. * ld-tic6x/shlib-1b.sd: New test. * ld-tic6x/static-app-1.rd: New test. * ld-tic6x/shlib-app-1b.sd: New test. * ld-tic6x/shlib-1r.sd: New test. * ld-tic6x/shlib-1b.dd: New test. * ld-tic6x/shlib-app-1r.sd: New test. * ld-tic6x/shlib-app-1b.dd: New test. * ld-tic6x/shlib-1r.dd: New test. * ld-tic6x/static-app-1.sd: New test. * ld-tic6x/shlib-app-1r.dd: New test. * ld-tic6x/static-app-1.dd: New test. * ld-tic6x/shlib-noindex.rd: New test. * ld-tic6x/shlib-noindex.dd: New test. * ld-tic6x/shlib-noindex.sd: New test. * ld-tic6x/got-reloc-local-1.s: New test. * ld-tic6x/got-reloc-local-2.s: New test. * ld-tic6x/got-reloc-local-r.d: New test. * ld-tic6x/got-reloc-global.s: New test. * ld-tic6x/got-reloc-global-addend-1.d: New test. * ld-tic6x/got-reloc-global-addend-1.s: New test. * ld-tic6x/got-reloc-global-addend-2.d: New test. * ld-tic6x/got-reloc-inrange.d: New test. * ld-tic6x/got-reloc-overflow.d: New test. * ld-tic6x/got-reloc-global-addend-2.s: New test. * ld-tic6x/dsbt-index-error.d: New test. * ld-tic6x/dsbt-index.d: New test. * ld-tic6x/dsbt-index.s: New test. * ld-tic6x/shlib-app-1.od: New test. * ld-tic6x/shlib-app-1rb.od: New test. * ld-tic6x/shlib-1.rd: New test. * ld-tic6x/weak.d: New test. * ld-tic6x/weak-be.d: New test. * ld-tic6x/weak.s: New test. * ld-tic6x/weak-data.d: New test. * ld-tic6x/common.d: New test. * ld-tic6x/common.ld: New test. * ld-tic6x/common.s: New test.
Diffstat (limited to 'ld/emultempl/tic6xdsbt.em')
-rw-r--r--ld/emultempl/tic6xdsbt.em105
1 files changed, 105 insertions, 0 deletions
diff --git a/ld/emultempl/tic6xdsbt.em b/ld/emultempl/tic6xdsbt.em
new file mode 100644
index 0000000..875148e
--- /dev/null
+++ b/ld/emultempl/tic6xdsbt.em
@@ -0,0 +1,105 @@
+# This shell script emits a C file. -*- C -*-
+# Copyright 2011 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+# This file is sourced from elf32.em, and defines extra C6X DSBT specific
+# features.
+#
+fragment <<EOF
+#include "ldctor.h"
+#include "elf32-tic6x.h"
+
+static struct elf32_tic6x_params params =
+{
+ 0, 64
+};
+
+static int
+is_tic6x_target (void)
+{
+ extern const bfd_target bfd_elf32_tic6x_le_vec;
+ extern const bfd_target bfd_elf32_tic6x_be_vec;
+
+ return (link_info.output_bfd->xvec == &bfd_elf32_tic6x_le_vec
+ || link_info.output_bfd->xvec == &bfd_elf32_tic6x_be_vec);
+}
+
+/* Pass params to backend. */
+
+static void
+tic6x_after_open (void)
+{
+ if (is_tic6x_target ())
+ {
+ if (params.dsbt_index >= params.dsbt_size)
+ {
+ einfo (_("%P%F: invalid --dsbt-index %d, outside DSBT size.\n"),
+ params.dsbt_index);
+ }
+ elf32_tic6x_setup (&link_info, &params);
+ }
+
+ gld${EMULATION_NAME}_after_open ();
+}
+EOF
+
+# This code gets inserted into the generic elf32.sc linker script
+# and allows us to define our own command line switches.
+PARSE_AND_LIST_PROLOGUE='
+#define OPTION_DSBT_INDEX 300
+#define OPTION_DSBT_SIZE 301
+'
+
+PARSE_AND_LIST_LONGOPTS='
+ {"dsbt-index", required_argument, NULL, OPTION_DSBT_INDEX},
+ {"dsbt-size", required_argument, NULL, OPTION_DSBT_SIZE},
+'
+
+PARSE_AND_LIST_OPTIONS='
+ fprintf (file, _(" --dsbt-index <index>\n"));
+ fprintf (file, _("\t\t\tUse this as the DSBT index for the output object\n"));
+ fprintf (file, _(" --dsbt-size <index>\n"));
+ fprintf (file, _("\t\t\tUse this as the number of entries in the DSBT table\n"));
+'
+
+PARSE_AND_LIST_ARGS_CASES='
+ case OPTION_DSBT_INDEX:
+ {
+ char *end;
+ params.dsbt_index = strtol (optarg, &end, 0);
+ if (*end == 0
+ && params.dsbt_index >= 0 && params.dsbt_index < 0x7fff)
+ break;
+ einfo (_("%P%F: invalid --dsbt-index %s\n"), optarg);
+ }
+ break;
+ case OPTION_DSBT_SIZE:
+ {
+ char *end;
+ params.dsbt_size = strtol (optarg, &end, 0);
+ if (*end == 0
+ && params.dsbt_size >= 0 && params.dsbt_size < 0x7fff)
+ break;
+ einfo (_("%P%F: invalid --dsbt-size %s\n"), optarg);
+ }
+ break;
+'
+
+LDEMUL_AFTER_OPEN=tic6x_after_open