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2015-09-25Correct the generation of OR1K pc-relative relocations.Peter Zotov2-3/+10
gas PR ld/18759 * config/tc-or1k.c (tc_gen_reloc): Correct computation of PC relative relocs. * config/tc-or1k.h (GAS_CGEN_PRCEL_R_TYPE): Delete. bfd * elf32-or1k.c (R_OR1K_32_PCREL): Set pcrel_offset to TRUE. (R_OR1K_16_PCREL): Likewise. (R_OR1K_8_PCREL): Likewise. ld/tests * ld-elf/eh-frame-hdr: Expect to pass on the or1k-linux target.
2015-09-25Automatic date update in version.inGDB Administrator1-1/+1
2015-09-24Automatic date update in version.inGDB Administrator1-1/+1
2015-09-23Fix compile time warnings generated when compiling with clang.Nick Clifton13-91/+54
bfd * bout.c (b_out_slurp_reloc_table): Cast constant to unsigned in order to avoid problems with left shifting negative values. (abs32code): Likewise. * mach-o.c (FILE_ALIGN): Likewise. * coff-rs6000.c (xcoff_debug_sections): Delete unused static array. * elf32-visium.c (visium_reloc_map): Likewise. * elf32-arm.c (elf32_arm_final_link_relocate): Remove useless calls to abs function. * elf32-frv.c (_frvfdpic_relax_tls_entries): Likewise. * elf32-score.c (score_elf_final_link_relocate): Likewise. * elf32-score7.c (score_elf_final_link_relocate): Likewise. * elf32-i860.c (i860_howto_pc26_reloc): Use multiplication instead of shifting to create a negative mask. * elf32-msp430.c (elf_backend_special_sections): Define. * elfxx-mips.c (got_ofst_reloc_p): Delete unused function. (got_hi16_reloc_p): Delete unused function. * ppcboot.c (ppcboot_bfd_print_private_bfd_data): Fix test of partition name. gas * config/tc-ppc.c (insn_validate): Cast PPC_OPSHIFT_INV to an int. opcode * ppc.h (PPC_OPSHIFT_INV): Use an unsigned constant when left shifting. ld * emultempl/elf32.em (ehdr_start_empty): New static variable. (before_allocation): Use it to initialise ehdr_start_save. * emultempl/pe.em (write_build_id): Remove useless double parenthesis. * emultempl/pep.em (write_build_id): Likewise. opcodes * bfin-dis.c (fmtconst): Remove unnecessary call to the abs function. * tic30-dis.c (print_branch): Likewise. * cgen-asm.c (cgen_parse_signed_integer): Cast integer to signed value before left shifting. * fr30-ibld.c (fr30_cgen_extract_operand): Likewise. * hppa-dis.c (print_insn_hppa): Likewise. * mips-dis.c (mips_cp0sel_names_mipsr5900): Delete unused static array. * msp430-dis.c (msp430_singleoperand): Likewise. (msp430_doubleoperand): Likewise. (print_insn_msp430): Likewise. * nds32-asm.c (parse_operand): Likewise. * sh-opc.h (MASK): Likewise. * v850-dis.c (get_operand_value): Likewise.
2015-09-23Add support for files that contain multiple symbol index tables. Fixes PR 15835Nick Clifton8-73/+198
binutils PR binutils/15835 * readelf.c (struct elf_section_list): New structure. (symtab_shndx_hdr): Replace with symtab_shndx_list. (get_32bit_elf_symbols): Scan for a symbol index table matching the symbol table in use. (get_64bit_elf_symbols): Likewise. (process_section_headers): Handle multiple symbol index sections. bfd * elf-bfd.h (struct elf_section_list): New structure. (struct elf_obj_tdata): Replace symtab_shndx_hdr with symtab_shndx_list. Delete symtab_shndx_section. (elf_symtab_shndx): Replace macro with elf_symtab_shndx_list. * elf.c (bfd_elf_get_syms): If symtab index sections are present, scan them for the section that matches the provided symbol table. (bfd_section_from_shdr): Record all SHT_SYMTAB_SHNDX sections. (assign_section_numbers): Use the first symtab index table in the list. (_bfd_elf_compute_section_file_positions): Replace use of symtab_shndx_hdr with use of symtab_shndx_list. (find_section_in_list): New function. (assign_file_postions_except_relocs): Use new function. (_bfd_elf_copy_private_symbol_data): Likewise. (swap_out_syms): Handle multiple symbol table index sections. * elf32-m32c.c (m32c_elf_relax_section): Replace use of symtab_shndx_hdr with use of symtab_shndx_list. * elf32-rl78.c (rl78_elf_relax_section): Likewise. * elf32-rx.c (rx_relax_section): Likewise. * elf32-v850.c (v850_elf_relax_delete_bytes): Likewise. * elflink.c (bfd_elf_final_link): Likewise.
2015-09-23Automatic date update in version.inGDB Administrator1-1/+1
2015-09-21Use bfd_get_32 and bfd_put_32 to access ch_typeH.J. Lu2-4/+12
The ch_type field in Elf64_External_Chdr is 4 bytes. We should use bfd_get_32 and bfd_put_32 to access it. * bfd.c (bfd_update_compression_header): Use bfd_put_32 on ch_type. (bfd_check_compression_header): Use bfd_get_32 on ch_type. (bfd_convert_section_contents): Use bfd_get_32 and bfd_put_32 on ch_type.
2015-09-22Automatic date update in version.inGDB Administrator1-1/+1
2015-09-21Automatic date update in version.inGDB Administrator1-1/+1
2015-09-20Add --no-dynamic-linker option to ld, for static PIE useRich Felker37-37/+79
Inhibits output of .interp section in ELF executables. include/ * bfdlink.h (struct bfd_link_info): Add "nointerp" field. bfd/ * elflink.c (_bfd_elf_link_create_dynamic_sections): Don't create .interp when info->nointerp. (bfd_elf_size_dynamic_sections): Adjust assert. * elf32-arm.c (elf32_arm_size_dynamic_sections): Don't size .interp when info->nointerp. * elf32-bfin.c (elf32_bfinfdpic_size_dynamic_sections): Likewise. * elf32-cr16.c (_bfd_cr16_elf_size_dynamic_sections): Likewise. * elf32-cris.c (elf_cris_size_dynamic_sections): Likewise. * elf32-frv.c (elf32_frvfdpic_size_dynamic_sections): Likewise. * elf32-hppa.c (elf32_hppa_size_dynamic_sections): Likewise. * elf32-i370.c (i370_elf_size_dynamic_sections): Likewise. * elf32-i386.c (elf_i386_size_dynamic_sections): Likewise. * elf32-lm32.c (lm32_elf_size_dynamic_sections): Likewise. * elf32-m32r.c (m32r_elf_size_dynamic_sections): Likewise. * elf32-m68k.c (elf_m68k_size_dynamic_sections): Likewise. * elf32-metag.c (elf_metag_size_dynamic_sections): Likewise. * elf32-nds32.c (nds32_elf_size_dynamic_sections): Likewise. * elf32-nios2.c (nios2_elf32_size_dynamic_sections): Likewise. * elf32-or1k.c (or1k_elf_size_dynamic_sections): Likewise. * elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise. * elf32-s390.c (elf_s390_size_dynamic_sections): Likewise. * elf32-score.c (s3_bfd_score_elf_size_dynamic_sections): Likewise. * elf32-score7.c (s7_bfd_score_elf_size_dynamic_sections): Likewise. * elf32-sh.c (sh_elf_size_dynamic_sections): Likewise. * elf32-tic6x.c (elf32_tic6x_size_dynamic_sections): Likewise. * elf32-tilepro.c (tilepro_elf_size_dynamic_sections): Likewise. * elf32-vax.c (elf_vax_size_dynamic_sections): Likewise. * elf32-xtensa.c (elf_xtensa_size_dynamic_sections): Likewise. * elf64-alpha.c (elf64_alpha_size_dynamic_sections): Likewise. * elf64-hppa.c (elf64_hppa_size_dynamic_sections): Likewise. * elf64-ppc.c (ppc64_elf_size_dynamic_sections): Likewise. * elf64-s390.c (elf_s390_size_dynamic_sections): Likewise. * elf64-sh64.c (sh64_elf64_size_dynamic_sections): Likewise. * elf64-x86-64.c (elf_x86_64_size_dynamic_sections): Likewise. * elfnn-aarch64.c (elfNN_aarch64_size_dynamic_sections): Likewise. * elfnn-ia64.c (elfNN_ia64_size_dynamic_sections): Likewise. * elfxx-mips.c (_bfd_mips_elf_size_dynamic_sections): Likewise. * elfxx-sparc.c (_bfd_sparc_elf_size_dynamic_sections): Likewise. * elfxx-tilegx.c (tilegx_elf_size_dynamic_sections): Likewise. ld/ * ld.texinfo (--no-dynamic-linker): Document. * ldlex.h (enum option_values): Add OPTION_NO_DYNAMIC_LINKER. * lexsup.c (ld_options, parse_args): Handle --no-dynamic-linker.
2015-09-20Automatic date update in version.inGDB Administrator1-1/+1
2015-09-18default_read_var_value <LOC_UNRESOLVED>: Include minsym kind in error message.Doug Evans3-0/+57
bfd/ChangeLog: * targets.c (enum bfd_flavour): Add comment. (bfd_flavour_name): New function. * bfd-in2.h: Regenerate. gdb/ChangeLog: * findvar.c (default_read_var_value) <LOC_UNRESOLVED>: Include the kind of minimal symbol in the error message. * objfiles.c (objfile_flavour_name): New function. * objfiles.h (objfile_flavour_name): Declare. gdb/testsuite/ChangeLog: * gdb.dwarf2/dw2-bad-unresolved.c: New file. * gdb.dwarf2/dw2-bad-unresolved.exp: New file.
2015-09-19Automatic date update in version.inGDB Administrator1-1/+1
2015-09-18Add PowerPC64 ld --tls-get-addr-optimize.Alan Modra3-9/+17
Sometimes it may be of benefit to force use of the __tls_get_addr_opt call stub even when the glibc being used during linking does not advertise __tls_get_addr_opt. bfd/ * elf64-ppc.h (struct ppc64_elf_params <tls_get_addr_opt>): Rename from no_tls_get_addr_opt. * elf64-ppc.c: Update for rename and inversion of tls_get_addr_opt. (ppc64_elf_tls_setup): Set tls_get_addr_opt to 0 only when at default of -1. ld/ * emultempl/ppc64elf.em (params): Init tls_get_addr_opt field to -1. (OPTION_TLS_GET_ADDR_OPT): Define. (PARSE_AND_LIST_LONGOPTS): Handle --tls-get-addr-opt. (PARSE_AND_LIST_OPTIONS, PARSE_AND_LIST_ARGS_CASES): Likewise. * ld.texinfo: Document --tls-get-addr-optimize and --no-tls-get-addr-optimize.
2015-09-18Remove one unnecessary iteration in insertion sortAlan Modra2-4/+8
PR 18867 * elflink.c (elf_link_adjust_relocs): Correct start of insertion sort main loop.
2015-09-18Automatic date update in version.inGDB Administrator1-1/+1
2015-09-17Automatic date update in version.inGDB Administrator1-1/+1
2015-09-16Fix slowdown in ld -r for most common case of out-of-order relocsAlan Modra2-15/+58
I chose insertion sort since relocs are mostly sorted, but there is a common case we can handle better; A run of relocs put out of order due to not linking input files in order. PR 18867 * elflink.c (elf_link_adjust_relocs): Modify insertion sort to insert a run. Return status in case of malloc failure. Adjust callers.
2015-09-16Automatic date update in version.inGDB Administrator1-1/+1
2015-09-15xtensa: generate PLT entries for call0 ABIMax Filippov2-7/+20
2015-09-15 Max Filippov <jcmvbkbc@gmail.com> bfd/ * elf32-xtensa.c (elf_xtensa_be_plt_entry) (elf_xtensa_le_plt_entry): Emit 'entry' instruction only for windowed ABI. (elf_xtensa_create_plt_entry): Generate 'l32r' offsets and fix up instructions according to ABI.
2015-09-15Automatic date update in version.inGDB Administrator1-1/+1
2015-09-15Fix the SH behavior for EF_SH_PIC flag in FDPIC ABIRich Felker2-2/+8
Fix it so that it's compatible with the kernel and other FDPIC targets. * elf32-sh.c (sh_elf_relocate_section): Set EF_SH_PIC flag instead of clearing it on cross-section relocations. (sh_elf_merge_private_data): Clear EF_SH_PIC flag by default.
2015-09-14Automatic date update in version.inGDB Administrator1-1/+1
2015-09-13Automatic date update in version.inGDB Administrator1-1/+1
2015-09-12Set .plt entry size to 0 in elf32-hppa.cJohn David Anglin2-3/+10
2015-09-12Automatic date update in version.inGDB Administrator1-1/+1
2015-09-11Automatic date update in version.inGDB Administrator1-1/+1
2015-09-10Automatic date update in version.inGDB Administrator1-1/+1
2015-09-09[AArch64] Sort IS_AARCH64_TLS_RELAX_RELOC in alphabetic orderJiong Wang2-8/+12
This can also speedup the check as TLSDESC is the default model for global/local dynamic that the big "||" check can finish more quickly than putting them at the bottom. 2015-09-09 Jiong. Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (IS_AARCH64_TLS_RELAX_RELOC): Sort alphabetically.
2015-09-09[AArch64] Relax TLS local dynamic traditional into local executableJiong Wang2-0/+60
The linker relaxation logic will be: Code sequence I (tiny): 0x00 adr x0, :tlsldm:x 0x04 bl __tls_get_addr | V 0x00 mrs x0, tpidr_el0 0x04 add x0, x0, TCB_SIZE Code sequence II (small): 0x00 adrp a0, :tlsldm:x 0x04 add a0, #:tlsldm_lo12:x 0x08 bl __tls_get_addr | V 0x00 mrs x0, tpidr_el0 0x04 add x0, x0, TCB_SIZE 0x08 nop 2015-09-09 Jiong Wang <jiong.wang@arm.com> bfd/ * elfnn-aarch64.c (aarch64_tls_transition_without_check): Support three TLS local dynamic traditional relocations types. (elfNN_aarch64_tls_relax): Support TLS local dynamic traditional to local executable relaxation. ld/testsuite/ * ld-aarch64/tls-relax-ld-le-tiny.s: New testcase. * ld-aarch64/tls-relax-ld-le-small.s: Likewise. * ld-aarch64/tls-relax-ld-le-tiny.d: New expectation file. * ld-aarch64/tls-relax-ld-le-small.d: Likewise. * ld-aarch64/aarch64-elf.exp: Run new testcases.
2015-09-09Automatic date update in version.inGDB Administrator1-1/+1
2015-09-08Automatic date update in version.inGDB Administrator1-1/+1
2015-09-07Automatic date update in version.inGDB Administrator1-1/+1
2015-09-06Automatic date update in version.inGDB Administrator1-1/+1
2015-09-05Automatic date update in version.inGDB Administrator1-1/+1
2015-09-04Automatic date update in version.inGDB Administrator1-1/+1
2015-09-03Remove convert_mov_to_leaH.J. Lu2-32/+26
* elf64-x86-64.c (elf_x86_64_convert_mov_to_lea): Remove convert_mov_to_lea.
2015-09-03Automatic date update in version.inGDB Administrator1-1/+1
2015-09-02Rename R_386_irelative to R_386_ext2H.J. Lu2-6/+14
* elf32-i386.c (R_386_irelative): Renamed to ... (R_386_ext2): This. (R_386_vt_offset): Updated. (elf_i386_rtype_to_howto): Likewise. (elf_i386_relocate_section): Likewise.
2015-09-02Automatic date update in version.inGDB Administrator1-1/+1
2015-09-01Skip PLT for function pointer initializationH.J. Lu3-17/+150
We use its PLT entry to initialize function pointer at run-time. If there is no other usage for the PLT entry, we can generate run-time function pointer relocations in read-write section, which can be resolved by dynamic linker, to initialize function pointers. It avoids the extra indirect branch overhead in PLT. bfd/ PR ld/18900 * elf32-i386.c (elf_i386_link_hash_entry): Add func_pointer_refcount. (elf_i386_link_hash_newfunc): Clear func_pointer_refcount. (elf_i386_get_local_sym_hash): Likewise. (elf_i386_copy_indirect_symbol): Also copy func_pointer_refcount. (elf_i386_check_relocs): Increment func_pointer_refcount. (elf_i386_gc_sweep_hook): Decrement func_pointer_refcount. (elf_i386_allocate_dynrelocs): Don't create the PLT entry if there are only function pointer relocations which can be resolved at run-time. Keep dynanamic relocations for run-time function pointer initialization. (elf_i386_relocate_section): Copy dynamic function pointer relocations. * elf64-x86-64.c (elf_x86_64_link_hash_entry): Add func_pointer_refcount. (elf_x86_64_link_hash_newfunc): Clear func_pointer_refcount. (elf_x86_64_get_local_sym_hash): Likewise. (elf_x86_64_copy_indirect_symbol): Also copy func_pointer_refcount. (elf_x86_64_check_relocs): Increment func_pointer_refcount. (elf_x86_64_gc_sweep_hook): Decrement func_pointer_refcount. (elf_x86_64_allocate_dynrelocs): Don't create the PLT entry if there are only function pointer relocations which can be resolved at run-time. Keep dynanamic relocations for run-time function pointer initialization. (elf_x86_64_relocate_section): Copy dynamic function pointer relocations. ld/testsuite/ PR ld/18900 * ld-i386/i386.exp: Run tests for PR ld/18900. * ld-x86-64/x86-64.exp: Likewise. * ld-i386/pr18900.out: New file. * ld-i386/pr18900a.c: Likewise. * ld-i386/pr18900a.c: Likewise. * ld-i386/pr18900a.rd: Likewise. * ld-i386/pr18900b.c: Likewise. * ld-i386/pr18900b.rd: Likewise. * ld-i386/pr18900c.c: Likewise. * ld-x86-64/pr18900.out: Likewise. * ld-x86-64/pr18900a.c: Likewise. * ld-x86-64/pr18900a.rd: Likewise. * ld-x86-64/pr18900b.c: Likewise. * ld-x86-64/pr18900b.rd: Likewise. * ld-x86-64/pr18900c.c: Likewise. * ld-x86-64/mpx3.dd: Updated.
2015-09-01Wrong function reported for linker error messageAlan Modra2-1/+22
OPD lookup goes awry when .opd has been shuffled to remove unused functions. * elf64-ppc.c (ppc64_elf_maybe_function_sym): Adjust symbol value if .opd section has been edited.
2015-09-01ppc64 out-of-line register save/restore functionsAlan Modra2-49/+171
Don't emit long branch or plt branch stubs to save/restore functions. Copy them instead. The problem is that plt branch stubs currently trash r12, one of the parameters to some of the save/restore functions, and there is no free register available to use instead of r12. 6f20ed8a is prerequisite for this patch. PR 18878 * elf64-ppc.c (ARRAY_SIZE): Define. Use throughout. (enum ppc_stub_type): Add ppc_stub_save_res. (struct map_stub): Add "next" and "needs_save_res". (struct ppc_link_hash_entry): Add "save_res" flag. (struct ppc_link_hash_table): Add "group". (sfpr_define): Add stub_sec param. Define symbol in stub_sec if stub_sec is non-null. Set "save_res". (save_res_funcs): Make file scope, rename from funcs. Adjust uses. (ppc64_elf_adjust_dynamic_symbol): Prohibit plt call to save_res syms. (ppc_build_one_stub): Handle ppc_stub_save_res. (ppc_size_one_stub): Set stub type to ppc_size_one_stub on finding stub for linker defined save_res sym. (group_sections): Init new fields of struct map_stub. (ppc64_elf_size_stubs): Reserve space for save/restore func copy. (ppc64_elf_build_stubs): Copy save/restore funcs to groups. Emit alias syms too. (ppc64_elf_relocate_section): Set destination for ppc_stub_save_res.
2015-09-01Automatic date update in version.inGDB Administrator1-1/+1
2015-08-31Optimise PowerPC64 r2 adjusting stubsAlan Modra2-12/+28
Sometimes these stubs don't need to change the low 16-bits of r2, so in that case omit a useless addi r2,r2,0 insn. Also, change the get_r2off error return from 0 to -1 since 0 is a valid return for ELFv2 -R objects. * elf64-ppc.c (get_r2off): Return -1 on error. (ppc_build_one_stub): Adjust for get_r2off change. Don't emit addi r2,r2,0 on r2off stubs when the low 16-bit delta is zero. (ppc_size_one_stub): Corresponding size changes for r2off stubs. Add condition in test for -R objects.
2015-08-31ppc64 section group handlingAlan Modra4-176/+192
Two organizational changes to the array of additional info kept for sections. 1) Move group info into a per-group allocated struct, in preparation for future changes that need per-group accounting. 2) Expand the array to include output sections, which simplifies sizing and removes the need for a separate output section array. * section.c (section_id): Make file scope. (bfd_get_next_section_id): New function. * elf64-ppc.c (struct map_stub): Remove toc_off field. Move decl. (struct ppc_stub_hash_entry): Delete stub_sec and id_sec. Add group. Update all uses. (struct ppc_link_hash_table): Delete top_id, top_index, and input_list. Add sec_info_arr_size. Rename stub_group to sec_info, and make group info indirect. Update stub_group refs throughout file. (ppc_add_stub): Don't look for stub_sec on link_sec stub_group entry. (ppc_build_one_stub): Delete FIXME. (ppc64_elf_setup_section_lists): Size htab->sec_info for all sections, not just input sections. Don't create htab->input_list. (ppc64_elf_next_input_section): Update to use sec_info union as list pointer. (PREV_SEC): Delete. (group_sections): Pass "info" param rather than "htab". Iterate over output sections rather than input_list. Use sec_info union as list pointers. Alloc atruct map_stub, and return fail status. * bfd-in2.h: Regenerate.
2015-08-31More "Make asection->id and asection->index unsigned"Alan Modra4-5/+13
Fixes regressions introduced by 7292b3ac. * elflink.c (elf_sort_symbol): Use correctly sized type for calculating signed section->id difference. (elf_link_add_object_symbols): Likewise. * pef.c (bfd_pef_scan_start_address): Warning fix. * vms-alpha.c (vms_new_section_hook): Likewise.
2015-08-31NDS32 build fixesAlan Modra2-5/+13
* elf32-nds32.c (nds32_convert_32_to_16_alu1): Warning fix. (find_relocs_at_address_addr): Make "reloc_type" an enum. (nds32_elf_relax_delete_blanks): Warning fix. (nds32_elf_relax_loadstore): Correct loop bound.
2015-08-31Make asection->id and asection->index unsignedAlan Modra14-28/+46
These int vars are really unsigned, so make them so. * section.c (struct bfd_section): Make "id" and "index" unsigned. * coff-rs6000.c (_bfd_xcoff_sizeof_headers): Adjust local var to suit. * elf.c (elf_map_symbols): Likewise. * elf64-ppc.c (sym_exists_at): Make "id" param unsigned. (struct ppc_link_hash_table): Make "top_id" and "top_index" unsigned. (ppc64_elf_setup_section_lists): Ditto for local vars. * elf32-arm.c: Similarly to elf64-ppc.c. * elf32-avr.c: Likewise. * elf32-hppa.c: Likewise. * elf32-m68hc1x.c: Likewise. * elf32-metag.c: Likewise. * elf32-nios2.c: Likewise. * elfnn-aarch64.c: Likewise. * simple.c (struct saved_offsets): Make "section_count" unsigned. * bfd-in2.h: Regenerate.
2015-08-31Automatic date update in version.inGDB Administrator1-1/+1
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