From 4cfefe7b791c0d400d694e0894359e915f8a12b8 Mon Sep 17 00:00:00 2001 From: Bernd Schmidt Date: Thu, 31 Mar 2011 08:58:25 +0000 Subject: [PATCH] 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 . (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. --- include/ChangeLog | 6 ++++++ include/elf/tic6x.h | 13 ++++++++++++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/include/ChangeLog b/include/ChangeLog index de6858bbc..9ee637f95 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +2011-03-31 Bernd Schmidt + + * tic6x.h (R_C6000_JUMP_SPLOT, R_C6000_EHTYPE, + R_C6000_PCR_H16, R_C6000_PCR_L16): New relocs. + (SHN_TIC6X_SCOMMON): Define. + 2011-03-24 Mark Wielaard * dwarf2.h (dwarf_form): Remove deprecated DW_FORM_sig8 define. diff --git a/include/elf/tic6x.h b/include/elf/tic6x.h index 88000fa1a..46f43c807 100644 --- a/include/elf/tic6x.h +++ b/include/elf/tic6x.h @@ -1,5 +1,5 @@ /* TI C6X ELF support for BFD. - Copyright 2010 + Copyright 2010, 2011 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -53,6 +53,10 @@ START_RELOC_NUMBERS (elf_tic6x_reloc_type) RELOC_NUMBER (R_C6000_DSBT_INDEX, 24) RELOC_NUMBER (R_C6000_PREL31, 25) RELOC_NUMBER (R_C6000_COPY, 26) + RELOC_NUMBER (R_C6000_JUMP_SLOT, 27) + RELOC_NUMBER (R_C6000_EHTYPE, 28) + RELOC_NUMBER (R_C6000_PCR_H16, 29) + RELOC_NUMBER (R_C6000_PCR_L16, 30) RELOC_NUMBER (R_C6000_ALIGN, 253) RELOC_NUMBER (R_C6000_FPHEAD, 254) RELOC_NUMBER (R_C6000_NOCMP, 255) @@ -89,6 +93,13 @@ END_RELOC_NUMBERS (R_TIC6X_max) /* Extended program header attributes. */ #define SHT_TI_PHATTRS 0x7F000004 +/* Processor specific section indices. These sections do not actually + exist. Symbols with a st_shndx field corresponding to one of these + values have a special meaning. */ + +/* Small data area common symbol. */ +#define SHN_TIC6X_SCOMMON SHN_LORESERVE + /* Processor-specific segment types. */ /* Extended Segment Attributes. */ -- 2.43.5